Commit graph

1062415 commits

Author SHA1 Message Date
Michael Schmitz
ecb9443b20 block/partition: fix signedness issue for Amiga partitions
commit 7eb1e47696 upstream.

Making 'blk' sector_t (i.e. 64 bit if LBD support is active) fails the
'blk>0' test in the partition block loop if a value of (signed int) -1 is
used to mark the end of the partition block list.

Explicitly cast 'blk' to signed int to allow use of -1 to terminate the
partition block linked list.

Fixes: b6f3f28f60 ("block: add overflow checks for Amiga partition support")
Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Link: https://lore.kernel.org/r/024ce4fa-cc6d-50a2-9aae-3701d0ebf668@xenosoft.de
Signed-off-by: Michael Schmitz <schmitzmic@gmail.com>
Reviewed-by: Martin Steigerwald <martin@lichtvoll.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:37 +02:00
Sherry Sun
478a7a30c3 tty: serial: fsl_lpuart: add earlycon for imx8ulp platform
commit e0edfdc158 upstream.

Add earlycon support for imx8ulp platform.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20230619080613.16522-1-sherry.sun@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:37 +02:00
Jason A. Donenfeld
75308d64c0 wireguard: netlink: send staged packets when setting initial private key
commit f58d0a9b4c upstream.

Packets bound for peers can queue up prior to the device private key
being set. For example, if persistent keepalive is set, a packet is
queued up to be sent as soon as the device comes up. However, if the
private key hasn't been set yet, the handshake message never sends, and
no timer is armed to retry, since that would be pointless.

But, if a user later sets a private key, the expectation is that those
queued packets, such as a persistent keepalive, are actually sent. So
adjust the configuration logic to account for this edge case, and add a
test case to make sure this works.

Maxim noticed this with a wg-quick(8) config to the tune of:

    [Interface]
    PostUp = wg set %i private-key somefile

    [Peer]
    PublicKey = ...
    Endpoint = ...
    PersistentKeepalive = 25

Here, the private key gets set after the device comes up using a PostUp
script, triggering the bug.

Fixes: e7096c131e ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Reported-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Tested-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Link: https://lore.kernel.org/wireguard/87fs7xtqrv.fsf@gmail.com/
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:37 +02:00
Jason A. Donenfeld
8c660cfd72 wireguard: queueing: use saner cpu selection wrapping
commit 7387943fa3 upstream.

Using `% nr_cpumask_bits` is slow and complicated, and not totally
robust toward dynamic changes to CPU topologies. Rather than storing the
next CPU in the round-robin, just store the last one, and also return
that value. This simplifies the loop drastically into a much more common
pattern.

Fixes: e7096c131e ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Manuel Leiner <manuel.leiner@gmx.de>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:37 +02:00
Thadeu Lima de Souza Cascardo
870dcc31c0 netfilter: nf_tables: prevent OOB access in nft_byteorder_eval
commit caf3ef7468 upstream.

When evaluating byteorder expressions with size 2, a union with 32-bit and
16-bit members is used. Since the 16-bit members are aligned to 32-bit,
the array accesses will be out-of-bounds.

It may lead to a stack-out-of-bounds access like the one below:

[   23.095215] ==================================================================
[   23.095625] BUG: KASAN: stack-out-of-bounds in nft_byteorder_eval+0x13c/0x320
[   23.096020] Read of size 2 at addr ffffc90000007948 by task ping/115
[   23.096358]
[   23.096456] CPU: 0 PID: 115 Comm: ping Not tainted 6.4.0+ #413
[   23.096770] Call Trace:
[   23.096910]  <IRQ>
[   23.097030]  dump_stack_lvl+0x60/0xc0
[   23.097218]  print_report+0xcf/0x630
[   23.097388]  ? nft_byteorder_eval+0x13c/0x320
[   23.097577]  ? kasan_addr_to_slab+0xd/0xc0
[   23.097760]  ? nft_byteorder_eval+0x13c/0x320
[   23.097949]  kasan_report+0xc9/0x110
[   23.098106]  ? nft_byteorder_eval+0x13c/0x320
[   23.098298]  __asan_load2+0x83/0xd0
[   23.098453]  nft_byteorder_eval+0x13c/0x320
[   23.098659]  nft_do_chain+0x1c8/0xc50
[   23.098852]  ? __pfx_nft_do_chain+0x10/0x10
[   23.099078]  ? __kasan_check_read+0x11/0x20
[   23.099295]  ? __pfx___lock_acquire+0x10/0x10
[   23.099535]  ? __pfx___lock_acquire+0x10/0x10
[   23.099745]  ? __kasan_check_read+0x11/0x20
[   23.099929]  nft_do_chain_ipv4+0xfe/0x140
[   23.100105]  ? __pfx_nft_do_chain_ipv4+0x10/0x10
[   23.100327]  ? lock_release+0x204/0x400
[   23.100515]  ? nf_hook.constprop.0+0x340/0x550
[   23.100779]  nf_hook_slow+0x6c/0x100
[   23.100977]  ? __pfx_nft_do_chain_ipv4+0x10/0x10
[   23.101223]  nf_hook.constprop.0+0x334/0x550
[   23.101443]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[   23.101677]  ? __pfx_nf_hook.constprop.0+0x10/0x10
[   23.101882]  ? __pfx_ip_rcv_finish+0x10/0x10
[   23.102071]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[   23.102291]  ? rcu_read_lock_held+0x4b/0x70
[   23.102481]  ip_local_deliver+0xbb/0x110
[   23.102665]  ? __pfx_ip_rcv+0x10/0x10
[   23.102839]  ip_rcv+0x199/0x2a0
[   23.102980]  ? __pfx_ip_rcv+0x10/0x10
[   23.103140]  __netif_receive_skb_one_core+0x13e/0x150
[   23.103362]  ? __pfx___netif_receive_skb_one_core+0x10/0x10
[   23.103647]  ? mark_held_locks+0x48/0xa0
[   23.103819]  ? process_backlog+0x36c/0x380
[   23.103999]  __netif_receive_skb+0x23/0xc0
[   23.104179]  process_backlog+0x91/0x380
[   23.104350]  __napi_poll.constprop.0+0x66/0x360
[   23.104589]  ? net_rx_action+0x1cb/0x610
[   23.104811]  net_rx_action+0x33e/0x610
[   23.105024]  ? _raw_spin_unlock+0x23/0x50
[   23.105257]  ? __pfx_net_rx_action+0x10/0x10
[   23.105485]  ? mark_held_locks+0x48/0xa0
[   23.105741]  __do_softirq+0xfa/0x5ab
[   23.105956]  ? __dev_queue_xmit+0x765/0x1c00
[   23.106193]  do_softirq.part.0+0x49/0xc0
[   23.106423]  </IRQ>
[   23.106547]  <TASK>
[   23.106670]  __local_bh_enable_ip+0xf5/0x120
[   23.106903]  __dev_queue_xmit+0x789/0x1c00
[   23.107131]  ? __pfx___dev_queue_xmit+0x10/0x10
[   23.107381]  ? find_held_lock+0x8e/0xb0
[   23.107585]  ? lock_release+0x204/0x400
[   23.107798]  ? neigh_resolve_output+0x185/0x350
[   23.108049]  ? mark_held_locks+0x48/0xa0
[   23.108265]  ? neigh_resolve_output+0x185/0x350
[   23.108514]  neigh_resolve_output+0x246/0x350
[   23.108753]  ? neigh_resolve_output+0x246/0x350
[   23.109003]  ip_finish_output2+0x3c3/0x10b0
[   23.109250]  ? __pfx_ip_finish_output2+0x10/0x10
[   23.109510]  ? __pfx_nf_hook+0x10/0x10
[   23.109732]  __ip_finish_output+0x217/0x390
[   23.109978]  ip_finish_output+0x2f/0x130
[   23.110207]  ip_output+0xc9/0x170
[   23.110404]  ip_push_pending_frames+0x1a0/0x240
[   23.110652]  raw_sendmsg+0x102e/0x19e0
[   23.110871]  ? __pfx_raw_sendmsg+0x10/0x10
[   23.111093]  ? lock_release+0x204/0x400
[   23.111304]  ? __mod_lruvec_page_state+0x148/0x330
[   23.111567]  ? find_held_lock+0x8e/0xb0
[   23.111777]  ? find_held_lock+0x8e/0xb0
[   23.111993]  ? __rcu_read_unlock+0x7c/0x2f0
[   23.112225]  ? aa_sk_perm+0x18a/0x550
[   23.112431]  ? filemap_map_pages+0x4f1/0x900
[   23.112665]  ? __pfx_aa_sk_perm+0x10/0x10
[   23.112880]  ? find_held_lock+0x8e/0xb0
[   23.113098]  inet_sendmsg+0xa0/0xb0
[   23.113297]  ? inet_sendmsg+0xa0/0xb0
[   23.113500]  ? __pfx_inet_sendmsg+0x10/0x10
[   23.113727]  sock_sendmsg+0xf4/0x100
[   23.113924]  ? move_addr_to_kernel.part.0+0x4f/0xa0
[   23.114190]  __sys_sendto+0x1d4/0x290
[   23.114391]  ? __pfx___sys_sendto+0x10/0x10
[   23.114621]  ? __pfx_mark_lock.part.0+0x10/0x10
[   23.114869]  ? lock_release+0x204/0x400
[   23.115076]  ? find_held_lock+0x8e/0xb0
[   23.115287]  ? rcu_is_watching+0x23/0x60
[   23.115503]  ? __rseq_handle_notify_resume+0x6e2/0x860
[   23.115778]  ? __kasan_check_write+0x14/0x30
[   23.116008]  ? blkcg_maybe_throttle_current+0x8d/0x770
[   23.116285]  ? mark_held_locks+0x28/0xa0
[   23.116503]  ? do_syscall_64+0x37/0x90
[   23.116713]  __x64_sys_sendto+0x7f/0xb0
[   23.116924]  do_syscall_64+0x59/0x90
[   23.117123]  ? irqentry_exit_to_user_mode+0x25/0x30
[   23.117387]  ? irqentry_exit+0x77/0xb0
[   23.117593]  ? exc_page_fault+0x92/0x140
[   23.117806]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   23.118081] RIP: 0033:0x7f744aee2bba
[   23.118282] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[   23.119237] RSP: 002b:00007ffd04a7c9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   23.119644] RAX: ffffffffffffffda RBX: 00007ffd04a7e0a0 RCX: 00007f744aee2bba
[   23.120023] RDX: 0000000000000040 RSI: 000056488e9e6300 RDI: 0000000000000003
[   23.120413] RBP: 000056488e9e6300 R08: 00007ffd04a80320 R09: 0000000000000010
[   23.120809] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000040
[   23.121219] R13: 00007ffd04a7dc38 R14: 00007ffd04a7ca00 R15: 00007ffd04a7e0a0
[   23.121617]  </TASK>
[   23.121749]
[   23.121845] The buggy address belongs to the virtual mapping at
[   23.121845]  [ffffc90000000000, ffffc90000009000) created by:
[   23.121845]  irq_init_percpu_irqstack+0x1cf/0x270
[   23.122707]
[   23.122803] The buggy address belongs to the physical page:
[   23.123104] page:0000000072ac19f0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x24a09
[   23.123609] flags: 0xfffffc0001000(reserved|node=0|zone=1|lastcpupid=0x1fffff)
[   23.123998] page_type: 0xffffffff()
[   23.124194] raw: 000fffffc0001000 ffffea0000928248 ffffea0000928248 0000000000000000
[   23.124610] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   23.125023] page dumped because: kasan: bad access detected
[   23.125326]
[   23.125421] Memory state around the buggy address:
[   23.125682]  ffffc90000007800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   23.126072]  ffffc90000007880: 00 00 00 00 00 f1 f1 f1 f1 f1 f1 00 00 f2 f2 00
[   23.126455] >ffffc90000007900: 00 00 00 00 00 00 00 00 00 f2 f2 f2 f2 00 00 00
[   23.126840]                                               ^
[   23.127138]  ffffc90000007980: 00 00 00 00 00 00 00 00 00 00 00 00 00 f3 f3 f3
[   23.127522]  ffffc90000007a00: f3 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
[   23.127906] ==================================================================
[   23.128324] Disabling lock debugging due to kernel taint

Using simple s16 pointers for the 16-bit accesses fixes the problem. For
the 32-bit accesses, src and dst can be used directly.

Fixes: 96518518cc ("netfilter: add nftables")
Cc: stable@vger.kernel.org
Reported-by: Tanguy DUBROCA (@SidewayRE) from @Synacktiv working with ZDI
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:37 +02:00
Thadeu Lima de Souza Cascardo
041e2ac88c netfilter: nf_tables: do not ignore genmask when looking up chain by id
commit 515ad53079 upstream.

When adding a rule to a chain referring to its ID, if that chain had been
deleted on the same batch, the rule might end up referring to a deleted
chain.

This will lead to a WARNING like following:

[   33.098431] ------------[ cut here ]------------
[   33.098678] WARNING: CPU: 5 PID: 69 at net/netfilter/nf_tables_api.c:2037 nf_tables_chain_destroy+0x23d/0x260
[   33.099217] Modules linked in:
[   33.099388] CPU: 5 PID: 69 Comm: kworker/5:1 Not tainted 6.4.0+ #409
[   33.099726] Workqueue: events nf_tables_trans_destroy_work
[   33.100018] RIP: 0010:nf_tables_chain_destroy+0x23d/0x260
[   33.100306] Code: 8b 7c 24 68 e8 64 9c ed fe 4c 89 e7 e8 5c 9c ed fe 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d 31 c0 89 c6 89 c7 c3 cc cc cc cc <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d 31 c0 89 c6 89 c7
[   33.101271] RSP: 0018:ffffc900004ffc48 EFLAGS: 00010202
[   33.101546] RAX: 0000000000000001 RBX: ffff888006fc0a28 RCX: 0000000000000000
[   33.101920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   33.102649] RBP: ffffc900004ffc78 R08: 0000000000000000 R09: 0000000000000000
[   33.103018] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880135ef500
[   33.103385] R13: 0000000000000000 R14: dead000000000122 R15: ffff888006fc0a10
[   33.103762] FS:  0000000000000000(0000) GS:ffff888024c80000(0000) knlGS:0000000000000000
[   33.104184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.104493] CR2: 00007fe863b56a50 CR3: 00000000124b0001 CR4: 0000000000770ee0
[   33.104872] PKRU: 55555554
[   33.104999] Call Trace:
[   33.105113]  <TASK>
[   33.105214]  ? show_regs+0x72/0x90
[   33.105371]  ? __warn+0xa5/0x210
[   33.105520]  ? nf_tables_chain_destroy+0x23d/0x260
[   33.105732]  ? report_bug+0x1f2/0x200
[   33.105902]  ? handle_bug+0x46/0x90
[   33.106546]  ? exc_invalid_op+0x19/0x50
[   33.106762]  ? asm_exc_invalid_op+0x1b/0x20
[   33.106995]  ? nf_tables_chain_destroy+0x23d/0x260
[   33.107249]  ? nf_tables_chain_destroy+0x30/0x260
[   33.107506]  nf_tables_trans_destroy_work+0x669/0x680
[   33.107782]  ? mark_held_locks+0x28/0xa0
[   33.107996]  ? __pfx_nf_tables_trans_destroy_work+0x10/0x10
[   33.108294]  ? _raw_spin_unlock_irq+0x28/0x70
[   33.108538]  process_one_work+0x68c/0xb70
[   33.108755]  ? lock_acquire+0x17f/0x420
[   33.108977]  ? __pfx_process_one_work+0x10/0x10
[   33.109218]  ? do_raw_spin_lock+0x128/0x1d0
[   33.109435]  ? _raw_spin_lock_irq+0x71/0x80
[   33.109634]  worker_thread+0x2bd/0x700
[   33.109817]  ? __pfx_worker_thread+0x10/0x10
[   33.110254]  kthread+0x18b/0x1d0
[   33.110410]  ? __pfx_kthread+0x10/0x10
[   33.110581]  ret_from_fork+0x29/0x50
[   33.110757]  </TASK>
[   33.110866] irq event stamp: 1651
[   33.111017] hardirqs last  enabled at (1659): [<ffffffffa206a209>] __up_console_sem+0x79/0xa0
[   33.111379] hardirqs last disabled at (1666): [<ffffffffa206a1ee>] __up_console_sem+0x5e/0xa0
[   33.111740] softirqs last  enabled at (1616): [<ffffffffa1f5d40e>] __irq_exit_rcu+0x9e/0xe0
[   33.112094] softirqs last disabled at (1367): [<ffffffffa1f5d40e>] __irq_exit_rcu+0x9e/0xe0
[   33.112453] ---[ end trace 0000000000000000 ]---

This is due to the nft_chain_lookup_byid ignoring the genmask. After this
change, adding the new rule will fail as it will not find the chain.

Fixes: 837830a4b4 ("netfilter: nf_tables: add NFTA_RULE_CHAIN_ID attribute")
Cc: stable@vger.kernel.org
Reported-by: Mingi Cho of Theori working with ZDI
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:37 +02:00
Florent Revest
6f03ce2f1a netfilter: conntrack: Avoid nf_ct_helper_hash uses after free
commit 6eef7a2b93 upstream.

If nf_conntrack_init_start() fails (for example due to a
register_nf_conntrack_bpf() failure), the nf_conntrack_helper_fini()
clean-up path frees the nf_ct_helper_hash map.

When built with NF_CONNTRACK=y, further netfilter modules (e.g:
netfilter_conntrack_ftp) can still be loaded and call
nf_conntrack_helpers_register(), independently of whether nf_conntrack
initialized correctly. This accesses the nf_ct_helper_hash dangling
pointer and causes a uaf, possibly leading to random memory corruption.

This patch guards nf_conntrack_helper_register() from accessing a freed
or uninitialized nf_ct_helper_hash pointer and fixes possible
uses-after-free when loading a conntrack module.

Cc: stable@vger.kernel.org
Fixes: 12f7a50533 ("netfilter: add user-space connection tracking helper infrastructure")
Signed-off-by: Florent Revest <revest@chromium.org>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:37 +02:00
Pablo Neira Ayuso
2bd6f13734 netfilter: nf_tables: unbind non-anonymous set if rule construction fails
commit 3e70489721 upstream.

Otherwise a dangling reference to a rule object that is gone remains
in the set binding list.

Fixes: 26b5a5712e ("netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:36 +02:00
Amir Goldstein
30235c2457 fanotify: disallow mount/sb marks on kernel internal pseudo fs
commit 69562eb0bd upstream.

Hopefully, nobody is trying to abuse mount/sb marks for watching all
anonymous pipes/inodes.

I cannot think of a good reason to allow this - it looks like an
oversight that dated back to the original fanotify API.

Link: https://lore.kernel.org/linux-fsdevel/20230628101132.kvchg544mczxv2pm@quack3/
Fixes: 0ff21db9fc ("fanotify: hooks the fanotify_mark syscall to the vfsmount code")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230629042044.25723-1-amir73il@gmail.com>
[backport to 5.x.y]
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:36 +02:00
Zhihao Cheng
d97481c7b2 ovl: fix null pointer dereference in ovl_get_acl_rcu()
commit f4e19e595c upstream.

Following process:
         P1                     P2
 path_openat
  link_path_walk
   may_lookup
    inode_permission(rcu)
     ovl_permission
      acl_permission_check
       check_acl
        get_cached_acl_rcu
	 ovl_get_inode_acl
	  realinode = ovl_inode_real(ovl_inode)
	                      drop_cache
		               __dentry_kill(ovl_dentry)
				iput(ovl_inode)
		                 ovl_destroy_inode(ovl_inode)
		                  dput(oi->__upperdentry)
		                   dentry_kill(upperdentry)
		                    dentry_unlink_inode
				     upperdentry->d_inode = NULL
	    ovl_inode_upper
	     upperdentry = ovl_i_dentry_upper(ovl_inode)
	     d_inode(upperdentry) // returns NULL
	  IS_POSIXACL(realinode) // NULL pointer dereference
, will trigger an null pointer dereference at realinode:
  [  205.472797] BUG: kernel NULL pointer dereference, address:
                 0000000000000028
  [  205.476701] CPU: 2 PID: 2713 Comm: ls Not tainted
                 6.3.0-12064-g2edfa098e750-dirty #1216
  [  205.478754] RIP: 0010:do_ovl_get_acl+0x5d/0x300
  [  205.489584] Call Trace:
  [  205.489812]  <TASK>
  [  205.490014]  ovl_get_inode_acl+0x26/0x30
  [  205.490466]  get_cached_acl_rcu+0x61/0xa0
  [  205.490908]  generic_permission+0x1bf/0x4e0
  [  205.491447]  ovl_permission+0x79/0x1b0
  [  205.491917]  inode_permission+0x15e/0x2c0
  [  205.492425]  link_path_walk+0x115/0x550
  [  205.493311]  path_lookupat.isra.0+0xb2/0x200
  [  205.493803]  filename_lookup+0xda/0x240
  [  205.495747]  vfs_fstatat+0x7b/0xb0

Fetch a reproducer in [Link].

Use the helper ovl_i_path_realinode() to get realinode and then do
non-nullptr checking.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=217404
Fixes: 332f606b32 ("ovl: enable RCU'd ->get_acl()")
Cc: <stable@vger.kernel.org> # v5.15
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Suggested-by: Christian Brauner <brauner@kernel.org>
Suggested-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:36 +02:00
Jan Kara
db42d2bf4f fs: no need to check source
commit 66d8fc0539 upstream.

The @source inode must be valid. It is even checked via IS_SWAPFILE()
above making it pretty clear. So no need to check it when we unlock.

What doesn't need to exist is the @target inode. The lock_two_inodes()
helper currently swaps the @inode1 and @inode2 arguments if @inode1 is
NULL to have consistent lock class usage. However, we know that at least
for vfs_rename() that @inode1 is @source and thus is never NULL as per
above. We also know that @source is a different inode than @target as
that is checked right at the beginning of vfs_rename(). So we know that
@source is valid and locked and that @target is locked. So drop the
check whether @source is non-NULL.

Fixes: 28eceeda13 ("fs: Lock moved directories")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202307030026.9sE2pk2x-lkp@intel.com
Message-Id: <20230703-vfs-rename-source-v1-1-37eebb29b65b@kernel.org>
[brauner: use commit message from patch I sent concurrently]
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:36 +02:00
Christian Marangi
86b93cbfe1 leds: trigger: netdev: Recheck NETDEV_LED_MODE_LINKUP on dev rename
commit cee4bd16c3 upstream.

Dev can be renamed also while up for supported device. We currently
wrongly clear the NETDEV_LED_MODE_LINKUP flag on NETDEV_CHANGENAME
event.

Fix this by rechecking if the carrier is ok on NETDEV_CHANGENAME and
correctly set the NETDEV_LED_MODE_LINKUP bit.

Fixes: 5f820ed523 ("leds: trigger: netdev: fix handling on interface rename")
Cc: stable@vger.kernel.org # v5.5+
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230419210743.3594-2-ansuelsmth@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:36 +02:00
Arnd Bergmann
ecc8d95067 ARM: orion5x: fix d2net gpio initialization
commit f8ef123393 upstream.

The DT version of this board has a custom file with the gpio
device. However, it does nothing because the d2net_init()
has no caller or prototype:

arch/arm/mach-orion5x/board-d2net.c:101:13: error: no previous prototype for 'd2net_init'

Call it from the board-dt file as intended.

Fixes: 94b0bd366e ("ARM: orion5x: convert d2net to Device Tree")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230516153109.514251-10-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:36 +02:00
Krzysztof Kozlowski
1c401bb993 ARM: dts: qcom: ipq4019: fix broken NAND controller properties override
commit edcbdd57de upstream.

After renaming NAND controller node name from "qpic-nand" to
"nand-controller", the board DTS/DTSI also have to be updated:

  Warning (unit_address_vs_reg): /soc/qpic-nand@79b0000: node has a unit name, but no reg or ranges property

Cc: <stable@vger.kernel.org>
Fixes: 9e1e00f18a ("ARM: dts: qcom: Fix node name for NAND controller node")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230420072811.36947-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:36 +02:00
Ricardo Ribalda Delgado
02b5d96f7d ASoC: mediatek: mt8173: Fix snd_soc_component_initialize error path
commit a46d37012a upstream.

If the second component fails to initialize, cleanup the first on.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Cc: stable@kernel.org
Fixes: f1b5bf0736 ("ASoC: mt2701/mt8173: replace platform to component")
Signed-off-by: Ricardo Ribalda Delgado <ribalda@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230612-mt8173-fixup-v2-1-432aa99ce24d@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:35 +02:00
Ricardo Ribalda Delgado
5f35f98e56 ASoC: mediatek: mt8173: Fix irq error path
commit f9c058d14f upstream.

After reordering the irq probe, the error path was not properly done.
Lets fix it.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Cc: stable@kernel.org
Fixes: 4cbb264d4e ("ASoC: mediatek: mt8173: Enable IRQ when pdata is ready")
Signed-off-by: Ricardo Ribalda Delgado <ribalda@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230612-mt8173-fixup-v2-2-432aa99ce24d@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:35 +02:00
Filipe Manana
6e7f6b4b5c btrfs: do not BUG_ON() on tree mod log failure at __btrfs_cow_block()
commit 40b0a74938 upstream.

At __btrfs_cow_block(), instead of doing a BUG_ON() in case we fail to
record a tree mod log root insertion operation, do a transaction abort
instead. There's really no need for the BUG_ON(), we can properly
release all resources in this context and turn the filesystem to RO mode
and in an error state instead.

CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:35 +02:00
Filipe Manana
bdc8a582e1 btrfs: fix extent buffer leak after tree mod log failure at split_node()
commit ede600e497 upstream.

At split_node(), if we fail to log the tree mod log copy operation, we
return without unlocking the split extent buffer we just allocated and
without decrementing the reference we own on it. Fix this by unlocking
it and decrementing the ref count before returning.

Fixes: 5de865eebb ("Btrfs: fix tree mod logging")
CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:35 +02:00
Filipe Manana
7ba0da31dd btrfs: fix race when deleting quota root from the dirty cow roots list
commit b31cb5a6eb upstream.

When disabling quotas we are deleting the quota root from the list
fs_info->dirty_cowonly_roots without taking the lock that protects it,
which is struct btrfs_fs_info::trans_lock. This unsynchronized list
manipulation may cause chaos if there's another concurrent manipulation
of this list, such as when adding a root to it with
ctree.c:add_root_to_dirty_list().

This can result in all sorts of weird failures caused by a race, such as
the following crash:

  [337571.278245] general protection fault, probably for non-canonical address 0xdead000000000108: 0000 [#1] PREEMPT SMP PTI
  [337571.278933] CPU: 1 PID: 115447 Comm: btrfs Tainted: G        W          6.4.0-rc6-btrfs-next-134+ #1
  [337571.279153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
  [337571.279572] RIP: 0010:commit_cowonly_roots+0x11f/0x250 [btrfs]
  [337571.279928] Code: 85 38 06 00 (...)
  [337571.280363] RSP: 0018:ffff9f63446efba0 EFLAGS: 00010206
  [337571.280582] RAX: ffff942d98ec2638 RBX: ffff9430b82b4c30 RCX: 0000000449e1c000
  [337571.280798] RDX: dead000000000100 RSI: ffff9430021e4900 RDI: 0000000000036070
  [337571.281015] RBP: ffff942d98ec2000 R08: ffff942d98ec2000 R09: 000000000000015b
  [337571.281254] R10: 0000000000000009 R11: 0000000000000001 R12: ffff942fe8fbf600
  [337571.281476] R13: ffff942dabe23040 R14: ffff942dabe20800 R15: ffff942d92cf3b48
  [337571.281723] FS:  00007f478adb7340(0000) GS:ffff94349fa40000(0000) knlGS:0000000000000000
  [337571.281950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [337571.282184] CR2: 00007f478ab9a3d5 CR3: 000000001e02c001 CR4: 0000000000370ee0
  [337571.282416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [337571.282647] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  [337571.282874] Call Trace:
  [337571.283101]  <TASK>
  [337571.283327]  ? __die_body+0x1b/0x60
  [337571.283570]  ? die_addr+0x39/0x60
  [337571.283796]  ? exc_general_protection+0x22e/0x430
  [337571.284022]  ? asm_exc_general_protection+0x22/0x30
  [337571.284251]  ? commit_cowonly_roots+0x11f/0x250 [btrfs]
  [337571.284531]  btrfs_commit_transaction+0x42e/0xf90 [btrfs]
  [337571.284803]  ? _raw_spin_unlock+0x15/0x30
  [337571.285031]  ? release_extent_buffer+0x103/0x130 [btrfs]
  [337571.285305]  reset_balance_state+0x152/0x1b0 [btrfs]
  [337571.285578]  btrfs_balance+0xa50/0x11e0 [btrfs]
  [337571.285864]  ? __kmem_cache_alloc_node+0x14a/0x410
  [337571.286086]  btrfs_ioctl+0x249a/0x3320 [btrfs]
  [337571.286358]  ? mod_objcg_state+0xd2/0x360
  [337571.286577]  ? refill_obj_stock+0xb0/0x160
  [337571.286798]  ? seq_release+0x25/0x30
  [337571.287016]  ? __rseq_handle_notify_resume+0x3ba/0x4b0
  [337571.287235]  ? percpu_counter_add_batch+0x2e/0xa0
  [337571.287455]  ? __x64_sys_ioctl+0x88/0xc0
  [337571.287675]  __x64_sys_ioctl+0x88/0xc0
  [337571.287901]  do_syscall_64+0x38/0x90
  [337571.288126]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
  [337571.288352] RIP: 0033:0x7f478aaffe9b

So fix this by locking struct btrfs_fs_info::trans_lock before deleting
the quota root from that list.

Fixes: bed92eae26 ("Btrfs: qgroup implementation and prototypes")
CC: stable@vger.kernel.org # 4.14+
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:35 +02:00
Naohiro Aota
bacd1c80e3 btrfs: reinsert BGs failed to reclaim
commit 7e27180994 upstream.

The reclaim process can temporarily fail. For example, if the space is
getting tight, it fails to make the block group read-only. If there are no
further writes on that block group, the block group will never get back to
the reclaim list, and the BG never gets reclaimed. In a certain workload,
we can leave many such block groups never reclaimed.

So, let's get it back to the list and give it a chance to be reclaimed.

Fixes: 18bb8bbf13 ("btrfs: zoned: automatically reclaim zones")
CC: stable@vger.kernel.org # 5.15+
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:35 +02:00
Naohiro Aota
d1ca553f94 btrfs: bail out reclaim process if filesystem is read-only
commit 93463ff7b5 upstream.

When a filesystem is read-only, we cannot reclaim a block group as it
cannot rewrite the data. Just bail out in that case.

Note that it can drop block groups in this case. As we did
sb_start_write(), read-only filesystem means we got a fatal error and
forced read-only. There is no chance to reclaim them again.

Fixes: 18bb8bbf13 ("btrfs: zoned: automatically reclaim zones")
CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:34 +02:00
Naohiro Aota
d8e172616f btrfs: delete unused BGs while reclaiming BGs
commit 3ed01616ba upstream.

The reclaiming process only starts after the filesystem volumes are
allocated to a certain level (75% by default). Thus, the list of
reclaiming target block groups can build up so huge at the time the
reclaim process kicks in. On a test run, there were over 1000 BGs in the
reclaim list.

As the reclaim involves rewriting the data, it takes really long time to
reclaim the BGs. While the reclaim is running, btrfs_delete_unused_bgs()
won't proceed because the reclaim side is holding
fs_info->reclaim_bgs_lock. As a result, we will have a large number of
unused BGs kept in the unused list. On my test run, I got 1057 unused BGs.

Since deleting a block group is relatively easy and fast work, we can call
btrfs_delete_unused_bgs() while it reclaims BGs, to avoid building up
unused BGs.

Fixes: 18bb8bbf13 ("btrfs: zoned: automatically reclaim zones")
CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:34 +02:00
Matt Corallo
12b6d68498 btrfs: add handling for RAID1C23/DUP to btrfs_reduce_alloc_profile
commit 160fe8f6fd upstream.

Callers of `btrfs_reduce_alloc_profile` expect it to return exactly
one allocation profile flag, and failing to do so may ultimately
result in a WARN_ON and remount-ro when allocating new blocks, like
the below transaction abort on 6.1.

`btrfs_reduce_alloc_profile` has two ways of determining the profile,
first it checks if a conversion balance is currently running and
uses the profile we're converting to. If no balance is currently
running, it returns the max-redundancy profile which at least one
block in the selected block group has.

This works by simply checking each known allocation profile bit in
redundancy order. However, `btrfs_reduce_alloc_profile` has not been
updated as new flags have been added - first with the `DUP` profile
and later with the RAID1C34 profiles.

Because of the way it checks, if we have blocks with different
profiles and at least one is known, that profile will be selected.
However, if none are known we may return a flag set with multiple
allocation profiles set.

This is currently only possible when a balance from one of the three
unhandled profiles to another of the unhandled profiles is canceled
after allocating at least one block using the new profile.

In that case, a transaction abort like the below will occur and the
filesystem will need to be mounted with -o skip_balance to get it
mounted rw again (but the balance cannot be resumed without a
similar abort).

  [770.648] ------------[ cut here ]------------
  [770.648] BTRFS: Transaction aborted (error -22)
  [770.648] WARNING: CPU: 43 PID: 1159593 at fs/btrfs/extent-tree.c:4122 find_free_extent+0x1d94/0x1e00 [btrfs]
  [770.648] CPU: 43 PID: 1159593 Comm: btrfs Tainted: G        W 6.1.0-0.deb11.7-powerpc64le #1  Debian 6.1.20-2~bpo11+1a~test
  [770.648] Hardware name: T2P9D01 REV 1.00 POWER9 0x4e1202 opal:skiboot-bc106a0 PowerNV
  [770.648] NIP:  c00800000f6784fc LR: c00800000f6784f8 CTR: c000000000d746c0
  [770.648] REGS: c000200089afe9a0 TRAP: 0700   Tainted: G        W (6.1.0-0.deb11.7-powerpc64le Debian 6.1.20-2~bpo11+1a~test)
  [770.648] MSR:  9000000002029033 <SF,HV,VEC,EE,ME,IR,DR,RI,LE>  CR: 28848282  XER: 20040000
  [770.648] CFAR: c000000000135110 IRQMASK: 0
	    GPR00: c00800000f6784f8 c000200089afec40 c00800000f7ea800 0000000000000026
	    GPR04: 00000001004820c2 c000200089afea00 c000200089afe9f8 0000000000000027
	    GPR08: c000200ffbfe7f98 c000000002127f90 ffffffffffffffd8 0000000026d6a6e8
	    GPR12: 0000000028848282 c000200fff7f3800 5deadbeef0000122 c00000002269d000
	    GPR16: c0002008c7797c40 c000200089afef17 0000000000000000 0000000000000000
	    GPR20: 0000000000000000 0000000000000001 c000200008bc5a98 0000000000000001
	    GPR24: 0000000000000000 c0000003c73088d0 c000200089afef17 c000000016d3a800
	    GPR28: c0000003c7308800 c00000002269d000 ffffffffffffffea 0000000000000001
  [770.648] NIP [c00800000f6784fc] find_free_extent+0x1d94/0x1e00 [btrfs]
  [770.648] LR [c00800000f6784f8] find_free_extent+0x1d90/0x1e00 [btrfs]
  [770.648] Call Trace:
  [770.648] [c000200089afec40] [c00800000f6784f8] find_free_extent+0x1d90/0x1e00 [btrfs] (unreliable)
  [770.648] [c000200089afed30] [c00800000f681398] btrfs_reserve_extent+0x1a0/0x2f0 [btrfs]
  [770.648] [c000200089afeea0] [c00800000f681bf0] btrfs_alloc_tree_block+0x108/0x670 [btrfs]
  [770.648] [c000200089afeff0] [c00800000f66bd68] __btrfs_cow_block+0x170/0x850 [btrfs]
  [770.648] [c000200089aff100] [c00800000f66c58c] btrfs_cow_block+0x144/0x288 [btrfs]
  [770.648] [c000200089aff1b0] [c00800000f67113c] btrfs_search_slot+0x6b4/0xcb0 [btrfs]
  [770.648] [c000200089aff2a0] [c00800000f679f60] lookup_inline_extent_backref+0x128/0x7c0 [btrfs]
  [770.648] [c000200089aff3b0] [c00800000f67b338] lookup_extent_backref+0x70/0x190 [btrfs]
  [770.648] [c000200089aff470] [c00800000f67b54c] __btrfs_free_extent+0xf4/0x1490 [btrfs]
  [770.648] [c000200089aff5a0] [c00800000f67d770] __btrfs_run_delayed_refs+0x328/0x1530 [btrfs]
  [770.648] [c000200089aff740] [c00800000f67ea2c] btrfs_run_delayed_refs+0xb4/0x3e0 [btrfs]
  [770.648] [c000200089aff800] [c00800000f699aa4] btrfs_commit_transaction+0x8c/0x12b0 [btrfs]
  [770.648] [c000200089aff8f0] [c00800000f6dc628] reset_balance_state+0x1c0/0x290 [btrfs]
  [770.648] [c000200089aff9a0] [c00800000f6e2f7c] btrfs_balance+0x1164/0x1500 [btrfs]
  [770.648] [c000200089affb40] [c00800000f6f8e4c] btrfs_ioctl+0x2b54/0x3100 [btrfs]
  [770.648] [c000200089affc80] [c00000000053be14] sys_ioctl+0x794/0x1310
  [770.648] [c000200089affd70] [c00000000002af98] system_call_exception+0x138/0x250
  [770.648] [c000200089affe10] [c00000000000c654] system_call_common+0xf4/0x258
  [770.648] --- interrupt: c00 at 0x7fff94126800
  [770.648] NIP:  00007fff94126800 LR: 0000000107e0b594 CTR: 0000000000000000
  [770.648] REGS: c000200089affe80 TRAP: 0c00   Tainted: G        W (6.1.0-0.deb11.7-powerpc64le Debian 6.1.20-2~bpo11+1a~test)
  [770.648] MSR:  900000000000d033 <SF,HV,EE,PR,ME,IR,DR,RI,LE>  CR: 24002848  XER: 00000000
  [770.648] IRQMASK: 0
	    GPR00: 0000000000000036 00007fffc9439da0 00007fff94217100 0000000000000003
	    GPR04: 00000000c4009420 00007fffc9439ee8 0000000000000000 0000000000000000
	    GPR08: 00000000803c7416 0000000000000000 0000000000000000 0000000000000000
	    GPR12: 0000000000000000 00007fff9467d120 0000000107e64c9c 0000000107e64d0a
	    GPR16: 0000000107e64d06 0000000107e64cf1 0000000107e64cc4 0000000107e64c73
	    GPR20: 0000000107e64c31 0000000107e64bf1 0000000107e64be7 0000000000000000
	    GPR24: 0000000000000000 00007fffc9439ee0 0000000000000003 0000000000000001
	    GPR28: 00007fffc943f713 0000000000000000 00007fffc9439ee8 0000000000000000
  [770.648] NIP [00007fff94126800] 0x7fff94126800
  [770.648] LR [0000000107e0b594] 0x107e0b594
  [770.648] --- interrupt: c00
  [770.648] Instruction dump:
  [770.648] 3b00ffe4 e8898828 481175f5 60000000 4bfff4fc 3be00000 4bfff570 3d220000
  [770.648] 7fc4f378 e8698830 4811cd95 e8410018 <0fe00000> f9c10060 f9e10068 fa010070
  [770.648] ---[ end trace 0000000000000000 ]---
  [770.648] BTRFS: error (device dm-2: state A) in find_free_extent_update_loop:4122: errno=-22 unknown
  [770.648] BTRFS info (device dm-2: state EA): forced readonly
  [770.648] BTRFS: error (device dm-2: state EA) in __btrfs_free_extent:3070: errno=-22 unknown
  [770.648] BTRFS error (device dm-2: state EA): failed to run delayed ref for logical 17838685708288 num_bytes 24576 type 184 action 2 ref_mod 1: -22
  [770.648] BTRFS: error (device dm-2: state EA) in btrfs_run_delayed_refs:2144: errno=-22 unknown
  [770.648] BTRFS: error (device dm-2: state EA) in reset_balance_state:3599: errno=-22 unknown

Fixes: 47e6f7423b ("btrfs: add support for 3-copy replication (raid1c3)")
Fixes: 8d6fac0087 ("btrfs: add support for 4-copy replication (raid1c4)")
CC: stable@vger.kernel.org # 5.10+
Signed-off-by: Matt Corallo <blnxfsl@bluematt.me>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:34 +02:00
Thomas Weißschuh
dd15d1c5c2 fs: avoid empty option when generating legacy mount string
commit 6217642027 upstream.

As each option string fragment is always prepended with a comma it would
happen that the whole string always starts with a comma. This could be
interpreted by filesystem drivers as an empty option and may produce
errors.

For example the NTFS driver from ntfs.ko behaves like this and fails
when mounted via the new API.

Link: https://github.com/util-linux/util-linux/issues/2298
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Fixes: 3e1aeb00e6 ("vfs: Implement a filesystem superblock creation/configuration context")
Cc: stable@vger.kernel.org
Message-Id: <20230607-fs-empty-option-v1-1-20c8dbf4671b@weissschuh.net>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:34 +02:00
Fabian Frederick
79b9ab357b jffs2: reduce stack usage in jffs2_build_xattr_subsystem()
commit 1168f09541 upstream.

Use kcalloc() for allocation/flush of 128 pointers table to
reduce stack usage.

Function now returns -ENOMEM or 0 on success.

stackusage
Before:
./fs/jffs2/xattr.c:775  jffs2_build_xattr_subsystem     1208
dynamic,bounded

After:
./fs/jffs2/xattr.c:775  jffs2_build_xattr_subsystem     192
dynamic,bounded

Also update definition when CONFIG_JFFS2_FS_XATTR is not enabled

Tested with an MTD mount point and some user set/getfattr.

Many current target on OpenWRT also suffer from a compilation warning
(that become an error with CONFIG_WERROR) with the following output:

fs/jffs2/xattr.c: In function 'jffs2_build_xattr_subsystem':
fs/jffs2/xattr.c:887:1: error: the frame size of 1088 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
  887 | }
      | ^

Using dynamic allocation fix this compilation warning.

Fixes: c9f700f840 ("[JFFS2][XATTR] using 'delete marker' for xdatum/xref deletion")
Reported-by: Tim Gardner <tim.gardner@canonical.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Ron Economos <re@w6rz.net>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Cc: stable@vger.kernel.org
Message-Id: <20230506045612.16616-1-ansuelsmth@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:34 +02:00
Abhijeet Rastogi
5ca021be52 ipvs: increase ip_vs_conn_tab_bits range for 64BIT
commit 04292c695f upstream.

Current range [8, 20] is set purely due to historical reasons
because at the time, ~1M (2^20) was considered sufficient.
With this change, 27 is the upper limit for 64-bit, 20 otherwise.

Previous change regarding this limit is here.

Link: https://lore.kernel.org/all/86eabeb9dd62aebf1e2533926fdd13fed48bab1f.1631289960.git.aclaudi@redhat.com/T/#u

Signed-off-by: Abhijeet Rastogi <abhijeet.1989@gmail.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Simon Horman <horms@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Allen Pais <apais@linux.microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:34 +02:00
Jan Kara
6db001a7ed fs: Lock moved directories
commit 28eceeda13 upstream.

When a directory is moved to a different directory, some filesystems
(udf, ext4, ocfs2, f2fs, and likely gfs2, reiserfs, and others) need to
update their pointer to the parent and this must not race with other
operations on the directory. Lock the directories when they are moved.
Although not all filesystems need this locking, we perform it in
vfs_rename() because getting the lock ordering right is really difficult
and we don't want to expose these locking details to filesystems.

CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230601105830.13168-5-jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:34 +02:00
Jan Kara
40f99ad8e2 fs: Establish locking order for unrelated directories
commit f23ce75718 upstream.

Currently the locking order of inode locks for directories that are not
in ancestor relationship is not defined because all operations that
needed to lock two directories like this were serialized by
sb->s_vfs_rename_mutex. However some filesystems need to lock two
subdirectories for RENAME_EXCHANGE operations and for this we need the
locking order established even for two tree-unrelated directories.
Provide a helper function lock_two_inodes() that establishes lock
ordering for any two inodes and use it in lock_two_directories().

CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230601105830.13168-4-jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:33 +02:00
Jan Kara
8fdae421c2 Revert "f2fs: fix potential corruption when moving a directory"
commit cde3c9d7e2 upstream.

This reverts commit d94772154e. The
locking is going to be provided by VFS.

CC: Jaegeuk Kim <jaegeuk@kernel.org>
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230601105830.13168-3-jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:33 +02:00
Jan Kara
eca9c3d86d ext4: Remove ext4 locking of moved directory
commit 3658840cd3 upstream.

Remove locking of moved directory in ext4_rename2(). We will take care
of it in VFS instead. This effectively reverts commit 0813299c58
("ext4: Fix possible corruption when moving a directory") and followup
fixes.

CC: Ted Tso <tytso@mit.edu>
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230601105830.13168-1-jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:33 +02:00
Roberto Sassu
487f229efe shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
commit 36ce9d76b0 upstream.

As the ramfs-based tmpfs uses ramfs_init_fs_context() for the
init_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb()
to free it and avoid a memory leak.

Link: https://lkml.kernel.org/r/20230607161523.2876433-1-roberto.sassu@huaweicloud.com
Fixes: c3b1b1cbf0 ("ramfs: add support for "mode=" mount option")
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:33 +02:00
Arnd Bergmann
17bdba70a8 autofs: use flexible array in ioctl structure
commit e910c8e3aa upstream.

Commit df8fc4e934 ("kbuild: Enable -fstrict-flex-arrays=3") introduced a warning
for the autofs_dev_ioctl structure:

In function 'check_name',
    inlined from 'validate_dev_ioctl' at fs/autofs/dev-ioctl.c:131:9,
    inlined from '_autofs_dev_ioctl' at fs/autofs/dev-ioctl.c:624:8:
fs/autofs/dev-ioctl.c:33:14: error: 'strchr' reading 1 or more bytes from a region of size 0 [-Werror=stringop-overread]
   33 |         if (!strchr(name, '/'))
      |              ^~~~~~~~~~~~~~~~~
In file included from include/linux/auto_dev-ioctl.h:10,
                 from fs/autofs/autofs_i.h:10,
                 from fs/autofs/dev-ioctl.c:14:
include/uapi/linux/auto_dev-ioctl.h: In function '_autofs_dev_ioctl':
include/uapi/linux/auto_dev-ioctl.h:112:14: note: source object 'path' of size 0
  112 |         char path[0];
      |              ^~~~

This is easily fixed by changing the gnu 0-length array into a c99
flexible array. Since this is a uapi structure, we have to be careful
about possible regressions but this one should be fine as they are
equivalent here. While it would break building with ancient gcc versions
that predate c99, it helps building with --std=c99 and -Wpedantic builds
in user space, as well as non-gnu compilers. This means we probably
also want it fixed in stable kernels.

Cc: stable@vger.kernel.org
Cc: Kees Cook <keescook@chromium.org>
Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230523081944.581710-1-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:33 +02:00
Tianjia Zhang
e7acd18e5e integrity: Fix possible multiple allocation in integrity_inode_get()
commit 9df6a4870d upstream.

When integrity_inode_get() is querying and inserting the cache, there
is a conditional race in the concurrent environment.

The race condition is the result of not properly implementing
"double-checked locking". In this case, it first checks to see if the
iint cache record exists before taking the lock, but doesn't check
again after taking the integrity_iint_lock.

Fixes: bf2276d10c ("ima: allocating iint improvements")
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Cc: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:33 +02:00
Kees Cook
f4e0809d3a um: Use HOST_DIR for mrproper
commit a5a319ec2c upstream.

When HEADER_ARCH was introduced, the MRPROPER_FILES (then MRPROPER_DIRS)
list wasn't adjusted, leaving SUBARCH as part of the path argument.
This resulted in the "mrproper" target not cleaning up arch/x86/... when
SUBARCH was specified. Since HOST_DIR is arch/$(HEADER_ARCH), use it
instead to get the correct path.

Cc: Richard Weinberger <richard@nod.at>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Azeem Shaikh <azeemshaikh38@gmail.com>
Cc: linux-um@lists.infradead.org
Fixes: 7bbe7204e9 ("um: merge Makefile-{i386,x86_64}")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230606222442.never.807-kees@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:33 +02:00
Zheng Wang
f67b0e3081 bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent
commit 80fca8a10b upstream.

In some specific situations, the return value of __bch_btree_node_alloc
may be NULL. This may lead to a potential NULL pointer dereference in
caller function like a calling chain :
btree_split->bch_btree_node_alloc->__bch_btree_node_alloc.

Fix it by initializing the return value in __bch_btree_node_alloc.

Fixes: cafe563591 ("bcache: A block layer cache")
Cc: stable@vger.kernel.org
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Signed-off-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20230615121223.22502-6-colyli@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:33 +02:00
Zheng Wang
991e9c186a bcache: Remove unnecessary NULL point check in node allocations
commit 028ddcac47 upstream.

Due to the previous fix of __bch_btree_node_alloc, the return value will
never be a NULL pointer. So IS_ERR is enough to handle the failure
situation. Fix it by replacing IS_ERR_OR_NULL check by an IS_ERR check.

Fixes: cafe563591 ("bcache: A block layer cache")
Cc: stable@vger.kernel.org
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Signed-off-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20230615121223.22502-5-colyli@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:32 +02:00
Mingzhe Zou
cbdd5b3322 bcache: fixup btree_cache_wait list damage
commit f0854489fc upstream.

We get a kernel crash about "list_add corruption. next->prev should be
prev (ffff9c801bc01210), but was ffff9c77b688237c.
(next=ffffae586d8afe68)."

crash> struct list_head 0xffff9c801bc01210
struct list_head {
  next = 0xffffae586d8afe68,
  prev = 0xffffae586d8afe68
}
crash> struct list_head 0xffff9c77b688237c
struct list_head {
  next = 0x0,
  prev = 0x0
}
crash> struct list_head 0xffffae586d8afe68
struct list_head struct: invalid kernel virtual address: ffffae586d8afe68  type: "gdb_readmem_callback"
Cannot access memory at address 0xffffae586d8afe68

[230469.019492] Call Trace:
[230469.032041]  prepare_to_wait+0x8a/0xb0
[230469.044363]  ? bch_btree_keys_free+0x6c/0xc0 [escache]
[230469.056533]  mca_cannibalize_lock+0x72/0x90 [escache]
[230469.068788]  mca_alloc+0x2ae/0x450 [escache]
[230469.080790]  bch_btree_node_get+0x136/0x2d0 [escache]
[230469.092681]  bch_btree_check_thread+0x1e1/0x260 [escache]
[230469.104382]  ? finish_wait+0x80/0x80
[230469.115884]  ? bch_btree_check_recurse+0x1a0/0x1a0 [escache]
[230469.127259]  kthread+0x112/0x130
[230469.138448]  ? kthread_flush_work_fn+0x10/0x10
[230469.149477]  ret_from_fork+0x35/0x40

bch_btree_check_thread() and bch_dirty_init_thread() may call
mca_cannibalize() to cannibalize other cached btree nodes. Only one thread
can do it at a time, so the op of other threads will be added to the
btree_cache_wait list.

We must call finish_wait() to remove op from btree_cache_wait before free
it's memory address. Otherwise, the list will be damaged. Also should call
bch_cannibalize_unlock() to release the btree_cache_alloc_lock and wake_up
other waiters.

Fixes: 8e7102273f ("bcache: make bch_btree_check() to be multithreaded")
Fixes: b144e45fc5 ("bcache: make bch_sectors_dirty_init() to be multithreaded")
Cc: stable@vger.kernel.org
Signed-off-by: Mingzhe Zou <mingzhe.zou@easystack.cn>
Signed-off-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20230615121223.22502-7-colyli@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:32 +02:00
Chevron Li
99d0599742 mmc: sdhci: fix DMA configure compatibility issue when 64bit DMA mode is used.
commit 20dbd07ef0 upstream.

Bayhub SD host has hardware limitation:
1.The upper 32bit address is inhibited to be written at SD Host Register
  [03E][13]=0 (32bits addressing) mode, is admitted to be written only at
  SD Host Register [03E][13]=1 (64bits addressing) mode.
2.Because of above item#1, need to configure SD Host Register [03E][13] to
  1(64bits addressing mode) before set 64bit ADMA system address's higher
  32bits SD Host Register [05F~05C] if 64 bits addressing mode is used.

The hardware limitation is reasonable for below reasons:
1.Normal flow should set DMA working mode first, then do
  DMA-transfer-related configuration, such as system address.
2.The hardware limitation may avoid the software to configure wrong higher
  32bit address at 32bits addressing mode although it is redundant.

The change that set 32bits/64bits addressing mode before set ADMA address,
  has no side-effect to other host IPs for below reason:
The setting order is reasonable and standard: DMA Mode setting first and
  then DMA address setting. It meets all DMA setting sequence.

Signed-off-by: Chevron Li <chevron.li@bayhubtech.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230523111114.18124-1-chevron_li@126.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:32 +02:00
Ulf Hansson
c893918bf4 mmc: mmci: Set PROBE_PREFER_ASYNCHRONOUS
commit 3108eb2e8a upstream.

All mmc host drivers should have the asynchronous probe option enabled, but
it seems like we failed to set it for mmci, so let's do that now.

Fixes: 21b2cec61c ("mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.4")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Yann Gautier <yann.gautier@foss.st.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230612143730.210390-1-ulf.hansson@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:32 +02:00
Robert Marko
4a489c8e9c mmc: core: disable TRIM on Micron MTFC4GACAJCN-1M
commit dbfbddcddc upstream.

It seems that Micron MTFC4GACAJCN-1M despite advertising TRIM support does
not work when the core is trying to use REQ_OP_WRITE_ZEROES.

We are seeing the following errors in OpenWrt under 6.1 on Qnap Qhora 301W
that we did not previously have and tracked it down to REQ_OP_WRITE_ZEROES:
[   18.085950] I/O error, dev loop0, sector 596 op 0x9:(WRITE_ZEROES) flags 0x800 phys_seg 0 prio class 2

Disabling TRIM makes the error go away, so lets add a quirk for this eMMC
to disable TRIM.

Signed-off-by: Robert Marko <robimarko@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230530213259.1776512-1-robimarko@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:32 +02:00
Robert Marko
5b555f2500 mmc: core: disable TRIM on Kingston EMMC04G-M627
commit f1738a1f81 upstream.

It seems that Kingston EMMC04G-M627 despite advertising TRIM support does
not work when the core is trying to use REQ_OP_WRITE_ZEROES.

We are seeing I/O errors in OpenWrt under 6.1 on Zyxel NBG7815 that we did
not previously have and tracked it down to REQ_OP_WRITE_ZEROES.

Trying to use fstrim seems to also throw errors like:
[93010.835112] I/O error, dev loop0, sector 16902 op 0x3:(DISCARD) flags 0x800 phys_seg 1 prio class 2

Disabling TRIM makes the error go away, so lets add a quirk for this eMMC
to disable TRIM.

Signed-off-by: Robert Marko <robimarko@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230619193621.437358-1-robimarko@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:32 +02:00
Jens Axboe
8e29835366 io_uring: wait interruptibly for request completions on exit
commit 4826c59453 upstream.

WHen the ring exits, cleanup is done and the final cancelation and
waiting on completions is done by io_ring_exit_work. That function is
invoked by kworker, which doesn't take any signals. Because of that, it
doesn't really matter if we wait for completions in TASK_INTERRUPTIBLE
or TASK_UNINTERRUPTIBLE state. However, it does matter to the hung task
detection checker!

Normally we expect cancelations and completions to happen rather
quickly. Some test cases, however, will exit the ring and park the
owning task stopped (eg via SIGSTOP). If the owning task needs to run
task_work to complete requests, then io_ring_exit_work won't make any
progress until the task is runnable again. Hence io_ring_exit_work can
trigger the hung task detection, which is particularly problematic if
panic-on-hung-task is enabled.

As the ring exit doesn't take signals to begin with, have it wait
interruptibly rather than uninterruptibly. io_uring has a separate
stuck-exit warning that triggers independently anyway, so we're not
really missing anything by making this switch.

Cc: stable@vger.kernel.org # 5.10+
Link: https://lore.kernel.org/r/b0e4aaef-7088-56ce-244c-976edeac0e66@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:32 +02:00
Dai Ngo
e5da56c682 NFSD: add encoding of op_recall flag for write delegation
commit 58f5d89400 upstream.

Modified nfsd4_encode_open to encode the op_recall flag properly
for OPEN result with write delegation granted.

Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:31 +02:00
Shuai Jiang
8a77b1d466 i2c: qup: Add missing unwind goto in qup_i2c_probe()
commit cd9489623c upstream.

Smatch Warns:
	drivers/i2c/busses/i2c-qup.c:1784 qup_i2c_probe()
	warn: missing unwind goto?

The goto label "fail_runtime" and "fail" will disable qup->pclk,
but here qup->pclk failed to obtain, in order to be consistent,
change the direct return to goto label "fail_dma".

Fixes: 9cedf3b2f0 ("i2c: qup: Add bam dma capabilities")
Signed-off-by: Shuai Jiang <d202180596@hust.edu.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Cc: <stable@vger.kernel.org> # v4.6+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:31 +02:00
Filipe Manana
5bf90e5e79 btrfs: do not BUG_ON() on tree mod log failure at balance_level()
[ Upstream commit 39020d8abc ]

At balance_level(), instead of doing a BUG_ON() in case we fail to record
tree mod log operations, do a transaction abort and return the error to
the callers. There's really no need for the BUG_ON() as we can release
all resources in this context, and we have to abort because other future
tree searches that use the tree mod log (btrfs_search_old_slot()) may get
inconsistent results if other operations modify the tree after that
failure and before the tree mod log based search.

CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-23 13:47:31 +02:00
Uwe Kleine-König
e15eb4ec86 extcon: usbc-tusb320: Convert to i2c's .probe_new()
[ Upstream commit 5313121b22 ]

The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Stable-dep-of: 3adbaa30d9 ("extcon: usbc-tusb320: Unregister typec port on driver removal")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-23 13:47:31 +02:00
Robert Hancock
112c15d097 i2c: xiic: Don't try to handle more interrupt events after error
[ Upstream commit cb6e45c9a0 ]

In xiic_process, it is possible that error events such as arbitration
lost or TX error can be raised in conjunction with other interrupt flags
such as TX FIFO empty or bus not busy. Error events result in the
controller being reset and the error returned to the calling request,
but the function could potentially try to keep handling the other
events, such as by writing more messages into the TX FIFO. Since the
transaction has already failed, this is not helpful and will just cause
issues.

This problem has been present ever since:

commit 7f9906bd7f ("i2c: xiic: Service all interrupts in isr")

which allowed non-error events to be handled after errors, but became
more obvious after:

commit 743e227a89 ("i2c: xiic: Defer xiic_wakeup() and
__xiic_start_xfer() in xiic_process()")

which reworked the code to add a WARN_ON which triggers if both the
xfer_more and wakeup_req flags were set, since this combination is
not supposed to happen, but was occurring in this scenario.

Skip further interrupt handling after error flags are detected to avoid
this problem.

Fixes: 7f9906bd7f ("i2c: xiic: Service all interrupts in isr")
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-23 13:47:31 +02:00
Marek Vasut
9eaef43fef i2c: xiic: Defer xiic_wakeup() and __xiic_start_xfer() in xiic_process()
[ Upstream commit 743e227a89 ]

The __xiic_start_xfer() manipulates the interrupt flags, xiic_wakeup()
may result in return from xiic_xfer() early. Defer both to the end of
the xiic_process() interrupt thread, so that they are executed after
all the other interrupt bits handling completed and once it completely
safe to perform changes to the interrupt bits in the hardware.

Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Stable-dep-of: cb6e45c9a0 ("i2c: xiic: Don't try to handle more interrupt events after error")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-23 13:47:31 +02:00
Danila Chernetsov
0fa0cd1f98 apparmor: fix missing error check for rhashtable_insert_fast
[ Upstream commit 000518bc5a ]

 rhashtable_insert_fast() could return err value when memory allocation is
 failed. but unpack_profile() do not check values and this always returns
 success value. This patch just adds error check code.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: e025be0f26 ("apparmor: support querying extended trusted helper extra data")

Signed-off-by: Danila Chernetsov <listdansp@mail.ru>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-23 13:47:30 +02:00
Artur Rojek
196f6c7190 sh: dma: Fix DMA channel offset calculation
[ Upstream commit e82e475848 ]

Various SoCs of the SH3, SH4 and SH4A family, which use this driver,
feature a differing number of DMA channels, which can be distributed
between up to two DMAC modules. The existing implementation fails to
correctly accommodate for all those variations, resulting in wrong
channel offset calculations and leading to kernel panics.

Rewrite dma_base_addr() in order to properly calculate channel offsets
in a DMAC module. Fix dmaor_read_reg() and dmaor_write_reg(), so that
the correct DMAC module base is selected for the DMAOR register.

Fixes: 7f47c7189b ("sh: dma: More legacy cpu dma chainsawing.")
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20230527164452.64797-2-contact@artur-rojek.eu
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-23 13:47:30 +02:00