Commit 3ee48b6af4 ("mm, x86: Saving vmcore with non-lazy freeing of
vmas") introduced set_iounmap_nonlazy(), which sets vmap_lazy_nr to
lazy_max_pages() + 1, ensuring that any future vunmaps() immediately
purge the vmap areas instead of doing it lazily.
Commit 690467c81b ("mm/vmalloc: Move draining areas out of caller
context") moved the purging from the vunmap() caller to a worker thread.
Unfortunately, set_iounmap_nonlazy() can cause the worker thread to spin
(possibly forever). For example, consider the following scenario:
1. Thread reads from /proc/vmcore. This eventually calls
__copy_oldmem_page() -> set_iounmap_nonlazy(), which sets
vmap_lazy_nr to lazy_max_pages() + 1.
2. Then it calls free_vmap_area_noflush() (via iounmap()), which adds 2
pages (one page plus the guard page) to the purge list and
vmap_lazy_nr. vmap_lazy_nr is now lazy_max_pages() + 3, so the
drain_vmap_work is scheduled.
3. Thread returns from the kernel and is scheduled out.
4. Worker thread is scheduled in and calls drain_vmap_area_work(). It
frees the 2 pages on the purge list. vmap_lazy_nr is now
lazy_max_pages() + 1.
5. This is still over the threshold, so it tries to purge areas again,
but doesn't find anything.
6. Repeat 5.
If the system is running with only one CPU (which is typicial for kdump)
and preemption is disabled, then this will never make forward progress:
there aren't any more pages to purge, so it hangs. If there is more
than one CPU or preemption is enabled, then the worker thread will spin
forever in the background. (Note that if there were already pages to be
purged at the time that set_iounmap_nonlazy() was called, this bug is
avoided.)
This can be reproduced with anything that reads from /proc/vmcore
multiple times. E.g., vmcore-dmesg /proc/vmcore.
It turns out that improvements to vmap() over the years have obsoleted
the need for this "optimization". I benchmarked `dd if=/proc/vmcore
of=/dev/null` with 4k and 1M read sizes on a system with a 32GB vmcore.
The test was run on 5.17, 5.18-rc1 with a fix that avoided the hang, and
5.18-rc1 with set_iounmap_nonlazy() removed entirely:
|5.17 |5.18+fix|5.18+removal
4k|40.86s| 40.09s| 26.73s
1M|24.47s| 23.98s| 21.84s
The removal was the fastest (by a wide margin with 4k reads). This
patch removes set_iounmap_nonlazy().
Link: https://lkml.kernel.org/r/52f819991051f9b865e9ce25605509bfdbacadcd.1649277321.git.osandov@fb.com
Fixes: 690467c81b ("mm/vmalloc: Move draining areas out of caller context")
Signed-off-by: Omar Sandoval <osandov@fb.com>
Acked-by: Chris Down <chris@chrisdown.name>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 925346c129 ("fs/binfmt_elf: fix PT_LOAD p_align values for
loaders") was an attempt to fix regressions due to 9630f0d60f
("fs/binfmt_elf: use PT_LOAD p_align values for static PIE").
But regressionss continue to be reported:
https://lore.kernel.org/lkml/cb5b81bd-9882-e5dc-cd22-54bdbaaefbbc@leemhuis.info/https://bugzilla.kernel.org/show_bug.cgi?id=215720https://lkml.kernel.org/r/b685f3d0-da34-531d-1aa9-479accd3e21b@leemhuis.info
This patch reverts the fix, so the original can also be reverted.
Fixes: 925346c129 ("fs/binfmt_elf: fix PT_LOAD p_align values for loaders")
Cc: H.J. Lu <hjl.tools@gmail.com>
Cc: Chris Kennelly <ckennelly@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Sandeep Patil <sspatil@google.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Thorsten Leemhuis <regressions@leemhuis.info>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It is possible for poisoned hugetlb pages to reside on the free lists.
The huge page allocation routines which dequeue entries from the free
lists make a point of avoiding poisoned pages. There is no such check
and avoidance in the demote code path.
If a hugetlb page on the is on a free list, poison will only be set in
the head page rather then the page with the actual error. If such a
page is demoted, then the poison flag may follow the wrong page. A page
without error could have poison set, and a page with poison could not
have the flag set.
Check for poison before attempting to demote a hugetlb page. Also,
return -EBUSY to the caller if only poisoned pages are on the free list.
Link: https://lkml.kernel.org/r/20220307215707.50916-1-mike.kravetz@oracle.com
Fixes: 8531fc6f52 ("hugetlb: add hugetlb demote page support")
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The below warning is reported when CONFIG_COMPACTION=n:
mm/compaction.c:56:27: warning: 'HPAGE_FRAG_CHECK_INTERVAL_MSEC' defined but not used [-Wunused-const-variable=]
56 | static const unsigned int HPAGE_FRAG_CHECK_INTERVAL_MSEC = 500;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Fix it by moving 'HPAGE_FRAG_CHECK_INTERVAL_MSEC' under
CONFIG_COMPACTION defconfig.
Also since this is just a 'static const int' type, use #define for it.
Link: https://lkml.kernel.org/r/1647608518-20924-1-git-send-email-quic_charante@quicinc.com
Signed-off-by: Charan Teja Kalla <quic_charante@quicinc.com>
Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Nitin Gupta <nigupta@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Two processes under CLONE_VM cloning, user process can be corrupted by
seeing zeroed page unexpectedly.
CPU A CPU B
do_swap_page do_swap_page
SWP_SYNCHRONOUS_IO path SWP_SYNCHRONOUS_IO path
swap_readpage valid data
swap_slot_free_notify
delete zram entry
swap_readpage zeroed(invalid) data
pte_lock
map the *zero data* to userspace
pte_unlock
pte_lock
if (!pte_same)
goto out_nomap;
pte_unlock
return and next refault will
read zeroed data
The swap_slot_free_notify is bogus for CLONE_VM case since it doesn't
increase the refcount of swap slot at copy_mm so it couldn't catch up
whether it's safe or not to discard data from backing device. In the
case, only the lock it could rely on to synchronize swap slot freeing is
page table lock. Thus, this patch gets rid of the swap_slot_free_notify
function. With this patch, CPU A will see correct data.
CPU A CPU B
do_swap_page do_swap_page
SWP_SYNCHRONOUS_IO path SWP_SYNCHRONOUS_IO path
swap_readpage original data
pte_lock
map the original data
swap_free
swap_range_free
bd_disk->fops->swap_slot_free_notify
swap_readpage read zeroed data
pte_unlock
pte_lock
if (!pte_same)
goto out_nomap;
pte_unlock
return
on next refault will see mapped data by CPU B
The concern of the patch would increase memory consumption since it
could keep wasted memory with compressed form in zram as well as
uncompressed form in address space. However, most of cases of zram uses
no readahead and do_swap_page is followed by swap_free so it will free
the compressed form from in zram quickly.
Link: https://lkml.kernel.org/r/YjTVVxIAsnKAXjTd@google.com
Fixes: 0bcac06f27 ("mm, swap: skip swapcache for swapin of synchronous device")
Reported-by: Ivan Babrou <ivan@cloudflare.com>
Tested-by: Ivan Babrou <ivan@cloudflare.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: David Hildenbrand <david@redhat.com>
Cc: <stable@vger.kernel.org> [4.14+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since commit 6aa303defb ("mm, vmscan: only allocate and reclaim from
zones with pages managed by the buddy allocator") only zones with free
memory are included in a built zonelist. This is problematic when e.g.
all memory of a zone has been ballooned out when zonelists are being
rebuilt.
The decision whether to rebuild the zonelists when onlining new memory
is done based on populated_zone() returning 0 for the zone the memory
will be added to. The new zone is added to the zonelists only, if it
has free memory pages (managed_zone() returns a non-zero value) after
the memory has been onlined. This implies, that onlining memory will
always free the added pages to the allocator immediately, but this is
not true in all cases: when e.g. running as a Xen guest the onlined new
memory will be added only to the ballooned memory list, it will be freed
only when the guest is being ballooned up afterwards.
Another problem with using managed_zone() for the decision whether a
zone is being added to the zonelists is, that a zone with all memory
used will in fact be removed from all zonelists in case the zonelists
happen to be rebuilt.
Use populated_zone() when building a zonelist as it has been done before
that commit.
There was a report that QubesOS (based on Xen) is hitting this problem.
Xen has switched to use the zone device functionality in kernel 5.9 and
QubesOS wants to use memory hotplugging for guests in order to be able
to start a guest with minimal memory and expand it as needed. This was
the report leading to the patch.
Link: https://lkml.kernel.org/r/20220407120637.9035-1-jgross@suse.com
Fixes: 6aa303defb ("mm, vmscan: only allocate and reclaim from zones with pages managed by the buddy allocator")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Calling kmem_obj_info() via kmem_dump_obj() on KFENCE objects has been
producing garbage data due to the object not actually being maintained
by SLAB or SLUB.
Fix this by implementing __kfence_obj_info() that copies relevant
information to struct kmem_obj_info when the object was allocated by
KFENCE; this is called by a common kmem_obj_info(), which also calls the
slab/slub/slob specific variant now called __kmem_obj_info().
For completeness, kmem_dump_obj() now displays if the object was
allocated by KFENCE.
Link: https://lore.kernel.org/all/20220323090520.GG16885@xsang-OptiPlex-9020/
Link: https://lkml.kernel.org/r/20220406131558.3558585-1-elver@google.com
Fixes: b89fb5ef0c ("mm, kfence: insert KFENCE hooks for SLUB")
Fixes: d3fb45f370 ("mm, kfence: insert KFENCE hooks for SLAB")
Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz> [slab]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Kasan enables hw tags via kasan_enable_tagging() which based on the mode
passed via kernel command line selects the correct hw backend.
kasan_enable_tagging() is meant to be invoked indirectly via the cpu
features framework of the architectures that support these backends.
Currently the invocation of this function is guarded by
CONFIG_KASAN_KUNIT_TEST which allows the enablement of the correct backend
only when KUNIT tests are enabled in the kernel.
This inconsistency was introduced in commit:
ed6d74446c ("kasan: test: support async (again) and asymm modes for HW_TAGS")
... and prevents to enable MTE on arm64 when KUNIT tests for kasan hw_tags are
disabled.
Fix the issue making sure that the CONFIG_KASAN_KUNIT_TEST guard does not
prevent the correct invocation of kasan_enable_tagging().
Link: https://lkml.kernel.org/r/20220408124323.10028-1-vincenzo.frascino@arm.com
Fixes: ed6d74446c ("kasan: test: support async (again) and asymm modes for HW_TAGS")
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
On PREEMPT_RT kernel and KASAN is enabled. the kasan_record_aux_stack()
may call alloc_pages(), and the rt-spinlock will be acquired, if currently
in atomic context, will trigger warning:
BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 239, name: bootlogd
Preemption disabled at:
[<ffffffffbab1a531>] rt_mutex_slowunlock+0xa1/0x4e0
CPU: 3 PID: 239 Comm: bootlogd Tainted: G W 5.17.1-rt17-yocto-preempt-rt+ #105
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014
Call Trace:
__might_resched.cold+0x13b/0x173
rt_spin_lock+0x5b/0xf0
get_page_from_freelist+0x20c/0x1610
__alloc_pages+0x25e/0x5e0
__stack_depot_save+0x3c0/0x4a0
kasan_save_stack+0x3a/0x50
__kasan_record_aux_stack+0xb6/0xc0
kasan_record_aux_stack+0xe/0x10
irq_work_queue_on+0x6a/0x1c0
pull_rt_task+0x631/0x6b0
do_balance_callbacks+0x56/0x80
__balance_callbacks+0x63/0x90
rt_mutex_setprio+0x349/0x880
rt_mutex_slowunlock+0x22a/0x4e0
rt_spin_unlock+0x49/0x80
uart_write+0x186/0x2b0
do_output_char+0x2e9/0x3a0
n_tty_write+0x306/0x800
file_tty_write.isra.0+0x2af/0x450
tty_write+0x22/0x30
new_sync_write+0x27c/0x3a0
vfs_write+0x3f7/0x5d0
ksys_write+0xd9/0x180
__x64_sys_write+0x43/0x50
do_syscall_64+0x44/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fix it by using kasan_record_aux_stack_noalloc() to avoid the call to
alloc_pages().
Link: https://lkml.kernel.org/r/20220402142555.2699582-1-qiang1.zhang@intel.com
Signed-off-by: Zqiang <qiang1.zhang@intel.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When one tries to grow an existing memfd_secret with ftruncate, one gets
a panic [1]. For example, doing the following reliably induces the
panic:
fd = memfd_secret();
ftruncate(fd, 10);
ptr = mmap(NULL, 10, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
strcpy(ptr, "123456789");
munmap(ptr, 10);
ftruncate(fd, 20);
The basic reason for this is, when we grow with ftruncate, we call down
into simple_setattr, and then truncate_inode_pages_range, and eventually
we try to zero part of the memory. The normal truncation code does this
via the direct map (i.e., it calls page_address() and hands that to
memset()).
For memfd_secret though, we specifically don't map our pages via the
direct map (i.e. we call set_direct_map_invalid_noflush() on every
fault). So the address returned by page_address() isn't useful, and
when we try to memset() with it we panic.
This patch avoids the panic by implementing a custom setattr for
memfd_secret, which detects resizes specifically (setting the size for
the first time works just fine, since there are no existing pages to try
to zero), and rejects them with EINVAL.
One could argue growing should be supported, but I think that will
require a significantly more lengthy change. So, I propose a minimal
fix for the benefit of stable kernels, and then perhaps to extend
memfd_secret to support growing in a separate patch.
[1]:
BUG: unable to handle page fault for address: ffffa0a889277028
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD afa01067 P4D afa01067 PUD 83f909067 PMD 83f8bf067 PTE 800ffffef6d88060
Oops: 0002 [#1] PREEMPT SMP DEBUG_PAGEALLOC PTI
CPU: 0 PID: 281 Comm: repro Not tainted 5.17.0-dbg-DEV #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
RIP: 0010:memset_erms+0x9/0x10
Code: c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 <f3> aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01
RSP: 0018:ffffb932c09afbf0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffda63c4249dc0 RCX: 0000000000000fd8
RDX: 0000000000000fd8 RSI: 0000000000000000 RDI: ffffa0a889277028
RBP: ffffb932c09afc00 R08: 0000000000001000 R09: ffffa0a889277028
R10: 0000000000020023 R11: 0000000000000000 R12: ffffda63c4249dc0
R13: ffffa0a890d70d98 R14: 0000000000000028 R15: 0000000000000fd8
FS: 00007f7294899580(0000) GS:ffffa0af9bc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffa0a889277028 CR3: 0000000107ef6006 CR4: 0000000000370ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
? zero_user_segments+0x82/0x190
truncate_inode_partial_folio+0xd4/0x2a0
truncate_inode_pages_range+0x380/0x830
truncate_setsize+0x63/0x80
simple_setattr+0x37/0x60
notify_change+0x3d8/0x4d0
do_sys_ftruncate+0x162/0x1d0
__x64_sys_ftruncate+0x1c/0x20
do_syscall_64+0x44/0xa0
entry_SYSCALL_64_after_hwframe+0x44/0xae
Modules linked in: xhci_pci xhci_hcd virtio_net net_failover failover virtio_blk virtio_balloon uhci_hcd ohci_pci ohci_hcd evdev ehci_pci ehci_hcd 9pnet_virtio 9p netfs 9pnet
CR2: ffffa0a889277028
[lkp@intel.com: secretmem_iops can be static]
Signed-off-by: kernel test robot <lkp@intel.com>
[axelrasmussen@google.com: return EINVAL]
Link: https://lkml.kernel.org/r/20220324210909.1843814-1-axelrasmussen@google.com
Link: https://lkml.kernel.org/r/20220412193023.279320-1-axelrasmussen@google.com
Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: <stable@vger.kernel.org>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Chuck Lever reported fsx-based xfstests generic 075 091 112 127 failing
when 5.18-rc1 NFS server exports tmpfs: bisected to recent tmpfs change.
Whilst nfsd_splice_action() does contain some questionable handling of
repeated pages, and Chuck was able to work around there, history from
Mark Hemment makes clear that there might be similar dangers elsewhere:
it was not a good idea for me to pass ZERO_PAGE down to unknown actors.
Revert shmem_file_read_iter() to using ZERO_PAGE for holes only when
iter_is_iovec(); in other cases, use the more natural iov_iter_zero()
instead of copy_page_to_iter().
We would use iov_iter_zero() throughout, but the x86 clear_user() is not
nearly so well optimized as copy to user (dd of 1T sparse tmpfs file
takes 57 seconds rather than 44 seconds).
And now pagecache_init() does not need to SetPageUptodate(ZERO_PAGE(0)):
which had caused boot failure on arm noMMU STM32F7 and STM32H7 boards
Link: https://lkml.kernel.org/r/9a978571-8648-e830-5735-1f4748ce2e30@google.com
Fixes: 56a8c8eb1e ("tmpfs: do not allocate pages on read")
Signed-off-by: Hugh Dickins <hughd@google.com>
Reported-by: Patrice CHOTARD <patrice.chotard@foss.st.com>
Reported-by: Chuck Lever III <chuck.lever@oracle.com>
Tested-by: Chuck Lever III <chuck.lever@oracle.com>
Cc: Mark Hemment <markhemm@googlemail.com>
Cc: Patrice CHOTARD <patrice.chotard@foss.st.com>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Cc: Lukas Czerner <lczerner@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Convert the broadcom internal list M: and L: entries to R: as exploder
email addresses are neither maintainers nor mailing lists.
Reorder the entries as necessary.
Link: https://lkml.kernel.org/r/04eb301f5b3adbefdd78e76657eff0acb3e3d87f.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix:
drivers/i2c/busses/i2c-ismt.c: In function ‘ismt_hw_init’:
drivers/i2c/busses/i2c-ismt.c:770:2: error: case label does not reduce to an integer constant
case ISMT_SPGT_SPD_400K:
^~~~
drivers/i2c/busses/i2c-ismt.c:773:2: error: case label does not reduce to an integer constant
case ISMT_SPGT_SPD_1M:
^~~~
See https://lore.kernel.org/r/YkwQ6%2BtIH8GQpuct@zn.tnic for the gory
details as to why it triggers with older gccs only.
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Sparse has warned us about wrong address space for user pointers:
i2c-dev.c:561:50: warning: incorrect type in initializer (different address spaces)
i2c-dev.c:561:50: expected unsigned char [usertype] *buf
i2c-dev.c:561:50: got void [noderef] __user *
Force cast the pointer to (__u8 *) that is used by I²C core code.
Note, this is an additional fix to the previously addressed similar issue
in the I2C_RDWR case in the same function.
Fixes: 3265a7e6b4 ("i2c: dev: Add __user annotation")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
If dev_set_name() fails, the dev_name() is null, check the return
value of dev_set_name() to avoid the null-ptr-deref.
Fixes: 1413ef638a ("i2c: dev: Fix the race between the release of i2c_dev and cdev")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The GPI DMA engine driver can be compiled as a module, in which case the
likely probe deferral "error" shows up in the kernel log. Switch to
using dev_err_probe() to silence this warning and to ensure that
"devices_deferred" in debugfs carries this information.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The i.MX8MP Mask Set Errata for Mask 1P33A, Rev. 2.0 has description of
errata ERR007805 as below. This errata is found on all MX8M{M,N,P,Q},
MX7{S,D}, MX6{UL{,L,Z},S{,LL,X},S,D,DL,Q,DP,QP} . MX7ULP, MX8Q, MX8X
are not affected. MX53 and older status is unknown, as the errata
first appears in MX6 errata sheets from 2016 and the latest errata
sheet for MX53 is from 2015. Older SoC errata sheets predate the
MX53 errata sheet. MX8ULP and MX9 status is unknown as the errata
sheet is not available yet.
"
ERR007805 I2C: When the I2C clock speed is configured for 400 kHz,
the SCL low period violates the I2C spec of 1.3 uS min
Description: When the I2C module is programmed to operate at the
maximum clock speed of 400 kHz (as defined by the I2C spec), the SCL
clock low period violates the I2C spec of 1.3 uS min. The user must
reduce the clock speed to obtain the SCL low time to meet the 1.3us
I2C minimum required. This behavior means the SoC is not compliant
to the I2C spec at 400kHz.
Workaround: To meet the clock low period requirement in fast speed
mode, SCL must be configured to 384KHz or less.
"
Implement the workaround by matching on the affected SoC specific
compatible strings and by limiting the maximum bus frequency in case
the SoC is affected.
Signed-off-by: Marek Vasut <marex@denx.de>
To: linux-i2c@vger.kernel.org
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Wait for completion of write transfers before returning from the driver.
At first sight it may seem advantageous to leave write transfers queued
for the controller to carry out on its own time, but there's a couple of
issues with it:
* Driver doesn't check for FIFO space.
* The queued writes can complete while the driver is in its I2C read
transfer path which means it will get confused by the raising of
XEN (the 'transaction ended' signal). This can cause a spurious
ENODATA error due to premature reading of the MRXFIFO register.
Adding the wait fixes some unreliability issues with the driver. There's
some efficiency cost to it (especially with pasemi_smb_waitready doing
its polling), but that will be alleviated once the driver receives
interrupt support.
Fixes: beb58aa39e ("i2c: PA Semi SMBus driver")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The commit 92986f6b4c ("dm: use bio_clone_fast in alloc_io/alloc_tio")
removed bio_clone_fast() call from alloc_tio() when ci->io->tio is
available. In this case, ci->bio is not copied to ci->io->tio.clone.
This is fine since init_clone_info() sets same values to ci->bio and
ci->io->tio.clone.
However, when incoming bios have REQ_PREFLUSH flag, __send_empty_flush()
prepares a zero length bio on stack and set it to ci->bio. At this time,
ci->io->tio.clone still keeps non-zero length. When alloc_tio() chooses
this ci->io->tio.clone as the bio to map, it is passed to targets as
non-empty flush bio. It causes bio length check failure in dm-zoned and
unexpected operation such as dm_accept_partial_bio() call.
To avoid the non-empty flush bio, set zero length to ci->io->tio.clone
in __send_empty_flush().
Fixes: 92986f6b4c ("dm: use bio_clone_fast in alloc_io/alloc_tio")
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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Merge tag 'block-5.18-2022-04-15' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Moving of lower_48_bits() to the block layer and a fix for the
unaligned_be48 added with that originally (Alexander, Keith)
- Fix a bad WARN_ON() for trim size checking (Ming)
- A polled IO timeout fix for null_blk (Ming)
- Silence IO error printing for dead disks (Christoph)
- Compat mode range fix (Khazhismel)
- NVMe pull request via Christoph:
- Tone down the error logging added this merge window a bit
(Chaitanya Kulkarni)
- Quirk devices with non-unique unique identifiers (Christoph)
* tag 'block-5.18-2022-04-15' of git://git.kernel.dk/linux-block:
block: don't print I/O error warning for dead disks
block/compat_ioctl: fix range check in BLKGETSIZE
nvme-pci: disable namespace identifiers for Qemu controllers
nvme-pci: disable namespace identifiers for the MAXIO MAP1002/1202
nvme: add a quirk to disable namespace identifiers
nvme: don't print verbose errors for internal passthrough requests
block: null_blk: end timed out poll request
block: fix offset/size check in bio_trim()
asm-generic: fix __get_unaligned_be48() on 32 bit platforms
block: move lower_48_bits() to block
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Merge tag 'io_uring-5.18-2022-04-14' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
- Ensure we check and -EINVAL any use of reserved or struct padding.
Although we generally always do that, it's missed in two spots for
resource updates, one for the ring fd registration from this merge
window, and one for the extended arg. Make sure we have all of them
handled. (Dylan)
- A few fixes for the deferred file assignment (me, Pavel)
- Add a feature flag for the deferred file assignment so apps can tell
we handle it correctly (me)
- Fix a small perf regression with the current file position fix in
this merge window (me)
* tag 'io_uring-5.18-2022-04-14' of git://git.kernel.dk/linux-block:
io_uring: abort file assignment prior to assigning creds
io_uring: fix poll error reporting
io_uring: fix poll file assign deadlock
io_uring: use right issue_flags for splice/tee
io_uring: verify pad field is 0 in io_get_ext_arg
io_uring: verify resv is 0 in ringfd register/unregister
io_uring: verify that resv2 is 0 in io_uring_rsrc_update2
io_uring: move io_uring_rsrc_update2 validation
io_uring: fix assign file locking issue
io_uring: stop using io_wq_work as an fd placeholder
io_uring: move apoll->events cache
io_uring: io_kiocb_update_pos() should not touch file for non -1 offset
io_uring: flag the fact that linked file assignment is sane
This Kselftest fixes update consists of a mqueue perf test memory leak
bug fix. mq_perf_tests fail to call CPU_FREE to free memory allocated
by CPU_SET.
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Merge tag 'linux-kselftest-fixes-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"A mqueue perf test memory leak bug fix.
mq_perf_tests failed to call CPU_FREE to free memory allocated by
CPU_SET"
* tag 'linux-kselftest-fixes-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
testing/selftests/mqueue: Fix mq_perf_tests to free the allocated cpu set
- 'perf record --per-thread' mode doesn't have the CPU mask setup, so it
can use it to figure out the number of mmaps, fix it.
- Fix segfault accessing sample_id xyarray out of bounds, noticed while
using Intel PT where we have a dummy event to capture text poke perf
metadata events and we mixup the set of CPUs specified by the user
with the all CPUs map needed for text poke.
- Fix 'perf bench numa' to check if CPU used to bind task is online.
- Fix 'perf bench numa' usage of affinity for machines with more than
1000 CPUs.
- Fix misleading add event PMU debug message, noticed while using the
'intel_pt' PMU.
- Fix error check return value of hashmap__new() in 'perf stat', it must
use IS_ERR().
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.18-2022-04-14' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- 'perf record --per-thread' mode doesn't have the CPU mask setup, so
it can use it to figure out the number of mmaps, fix it.
- Fix segfault accessing sample_id xyarray out of bounds, noticed while
using Intel PT where we have a dummy event to capture text poke perf
metadata events and we mixup the set of CPUs specified by the user
with the all CPUs map needed for text poke.
- Fix 'perf bench numa' to check if CPU used to bind task is online.
- Fix 'perf bench numa' usage of affinity for machines with more than
1000 CPUs.
- Fix misleading add event PMU debug message, noticed while using the
'intel_pt' PMU.
- Fix error check return value of hashmap__new() in 'perf stat', it
must use IS_ERR().
* tag 'perf-tools-fixes-for-v5.18-2022-04-14' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf bench: Fix numa bench to fix usage of affinity for machines with #CPUs > 1K
perf bench: Fix numa testcase to check if CPU used to bind task is online
perf record: Fix per-thread option
perf tools: Fix segfault accessing sample_id xyarray
perf stat: Fix error check return value of hashmap__new(), must use IS_ERR()
perf tools: Fix misleading add event PMU debug message
- tone down the error logging added this merge window a bit
(Chaitanya Kulkarni)
- quirk devices with non-unique unique identifiers (me)
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Merge tag 'nvme-5.18-2022-04-15' of git://git.infradead.org/nvme into block-5.18
Pull NVMe fixes from Christoph:
"nvme fixes for Linux 5.18
- tone down the error logging added this merge window a bit
(Chaitanya Kulkarni)
- quirk devices with non-unique unique identifiers (me)"
* tag 'nvme-5.18-2022-04-15' of git://git.infradead.org/nvme:
nvme-pci: disable namespace identifiers for Qemu controllers
nvme-pci: disable namespace identifiers for the MAXIO MAP1002/1202
nvme: add a quirk to disable namespace identifiers
nvme: don't print verbose errors for internal passthrough requests
When a disk has been marked dead, don't print warnings for I/O errors
as they are very much expected.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220323163815.1526998-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
kernel ulong and compat_ulong_t may not be same width. Use type directly
to eliminate mismatches.
This would result in truncation rather than EFBIG for 32bit mode for
large disks.
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220414224056.2875681-1-khazhy@google.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Qemu unconditionally reports a UUID, which depending on the qemu version
is either all-null (which is incorrect but harmless) or contains a single
bit set for all controllers. In addition it can also optionally report
a eui64 which needs to be manually set. Disable namespace identifiers
for Qemu controlles entirely even if in some cases they could be set
correctly through manual intervention.
Reported-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
The MAXIO MAP1002/1202 controllers reports completely bogus Namespace
identifiers that even change after suspend cycles. Disable using
the Identifiers entirely.
Reported-by: 金韬 <me@kingtous.cn>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Tested-by: 金韬 <me@kingtous.cn>
Add a quirk to disable using and exporting namespace identifiers for
controllers where they are broken beyond repair.
The most directly visible problem with non-unique namespace identifiers
is that they break the /dev/disk/by-id/ links, with the link for a
supposedly unique identifier now pointing to one of multiple possible
namespaces that share the same ID, and a somewhat random selection of
which one actually shows up.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Use the RQF_QUIET flag to skip the newly added verbose error reporting,
and set the flag in __nvme_submit_sync_cmd, which is used for most
internal passthrough requests where we do expect errors (e.g. due to
probing for optional functionality). This is similar to what the SCSI
verbose error logging does.
Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Alan Adamson <alan.adamson@oracle.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Tested-by: Alan Adamson <alan.adamson@oracle.com>
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
The intent behind commit e6fc9f62ce ("dm: flag clones created by
__send_duplicate_bios") was to formally disallow the use of
dm_accept_partial_bio() where it simply isn't possible -- due to
constraint that multiple bios cannot meaningfully update a shared
tio->len_ptr.
But that commit went too far and disallowed the case where "abormal"
IO (e.g. WRITE_ZEROES) is only using a single bio. Fix this by
not marking a dm_io with a single dm_target_io (and bio), that happens
to be created by __send_duplicate_bios, as DM_TIO_IS_DUPLICATE_BIO.
Also remove 'unsigned *len' parameter from alloc_multiple_bios().
This commit fixes a dm_accept_partial_bio() BUG_ON() with dm-zoned
when a WRITE_ZEROES bio is issued.
Fixes: 655f3aad7a ("dm: switch dm_target_io booleans over to proper flags")
Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
i915:
- Correct legacy mmap disabling to use GRAPHICS_VER_FULL
msm:
- system suspend fix
- kzalloc return checks
- misc display fix
- iommu_present removal
amdgpu:
- Fix for alpha properly in pre-multiplied mode
- Fix VCN 3.1.2 firmware name
- Suspend/resume fix
- Add a gfxoff quirk for Mac vega20 board
- DCN 3.1.6 spread spectrum fix
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Merge tag 'drm-fixes-2022-04-15' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Eggs season holidays are among us, and I think I'd expect some smaller
pulls for two weeks then.
This seems eerily quiet. One i915 fix, amdgpu has a bunch and msm. I
didn't see a misc pull this week, so I expect that will catch up next
week.
i915:
- Correct legacy mmap disabling to use GRAPHICS_VER_FULL
msm:
- system suspend fix
- kzalloc return checks
- misc display fix
- iommu_present removal
amdgpu:
- Fix for alpha properly in pre-multiplied mode
- Fix VCN 3.1.2 firmware name
- Suspend/resume fix
- Add a gfxoff quirk for Mac vega20 board
- DCN 3.1.6 spread spectrum fix"
* tag 'drm-fixes-2022-04-15' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: remove dtbclk_ss compensation for dcn316
drm/amdgpu: Enable gfxoff quirk on MacBook Pro
drm/amdgpu: Ensure HDA function is suspended before ASIC reset
drm/amdgpu: fix VCN 3.1.2 firmware name
drm/amd/display: don't ignore alpha property on pre-multiplied mode
drm/msm/gpu: Avoid -Wunused-function with !CONFIG_PM_SLEEP
drm/msm/dp: add fail safe mode outside of event_mutex context
drm/msm/dsi: Use connector directly in msm_dsi_manager_connector_init()
drm/msm: Stop using iommu_present()
drm/msm/mdp5: check the return of kzalloc()
drm/msm: Fix range size vs end confusion
drm/i915: Sunset igpu legacy mmap support based on GRAPHICS_VER_FULL
drm/msm/dpu: Use indexed array initializer to prevent mismatches
drm/msm/disp: check the return value of kzalloc()
dt-bindings: display/msm: another fix for the dpu-qcm2290 example
drm/msm: Add missing put_task_struct() in debugfs path
drm/msm/gpu: Remove mutex from wait_event condition
drm/msm/gpu: Park scheduler threads for system suspend
drm/msm/gpu: Rename runtime suspend/resume functions
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Merge tag '5.18-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
- two fixes related to unmount
- symlink overflow fix
- minor netfs fix
- improved tracing for crediting (flow control)
* tag '5.18-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: verify that tcon is valid before dereference in cifs_kill_sb
cifs: potential buffer overflow in handling symlinks
cifs: Split the smb3_add_credits tracepoint
cifs: release cached dentries only if mount is complete
cifs: Check the IOCB_DIRECT flag, not O_DIRECT
When asked to create a path ending '/', but which is not to be a
directory (LOOKUP_DIRECTORY not set), filename_create() will never try
to create the file. If it doesn't exist, -ENOENT is reported.
However, it still passes LOOKUP_CREATE|LOOKUP_EXCL to the filesystems
->lookup() function, even though there is no intent to create. This is
misleading and can cause incorrect behaviour.
If you try
ln -s foo /path/dir/
where 'dir' is a directory on an NFS filesystem which is not currently
known in the dcache, this will fail with ENOENT.
But as the name is not in the dcache, nfs_lookup gets called with
LOOKUP_CREATE|LOOKUP_EXCL and so it returns NULL without performing any
lookup, with the expectation that a subsequent call to create the target
will be made, and the lookup can be combined with the creation. In the
case with a trailing '/' and no LOOKUP_DIRECTORY, that call is never
made. Instead filename_create() sees that the dentry is not (yet)
positive and returns -ENOENT - even though the directory actually
exists.
So only set LOOKUP_CREATE|LOOKUP_EXCL if there really is an intent to
create, and use the absence of these flags to decide if -ENOENT should
be returned.
Note that filename_parentat() is only interested in LOOKUP_REVAL, so we
split that out and store it in 'reval_flag'. __lookup_hash() then gets
reval_flag combined with whatever create flags were determined to be
needed.
Reviewed-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It's not good practice to define multiple types for the same property, so
factor out the type reference making the properties always an uint32-array
with a length of 1 or 3 items.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://lore.kernel.org/r/20220413140016.3131013-1-robh@kernel.org
The Gemini defconfig needs to be updated due to DSA driver
Kconfig changes in the v5.18 merge window:
CONFIG_NET_DSA_REALTEK_SMI is now behind
CONFIG_NET_DSA_REALTEK and the desired DSA switch need
to be selected explicitly with
CONFIG_NET_DSA_REALTEK_RTL8366RB.
Take this opportunity to update some other minor config
options:
- CONFIG_MARVELL_PHY moved around because of Kconfig
changes.
- CONFIG_SENSORS_DRIVETEMP should be selected since is
regulates the system critical alert temperature on
some devices, which is nice if it is handled even
if initramfs or root fails to mount.
Fixes: 319a70a5fe ("net: dsa: realtek-smi: move to subdirectory")
Fixes: 765c39a4fa ("net: dsa: realtek: convert subdrivers into modules")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Boolean properties in DT are present or not present and don't take a value.
A property such as 'foo = <0>;' evaluated to true. IOW, the value doesn't
matter.
It may have been intended that 0 values are false, but there is no change
in behavior with this patch.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Link: https://lore.kernel.org/r/20220407225254.2178644-1-robh@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The node names should be generic and SPI NOR dtschema expects "flash".
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20220407143027.294678-1-krzysztof.kozlowski@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Boolean properties in DT are present or not present and don't take a value.
A property such as 'foo = <0>;' evaluated to true. IOW, the value doesn't
matter.
It may have been intended that 0 values are false, but there is no change
in behavior with this patch.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-omap@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org
Link: https://lore.kernel.org/r/20220407225107.2175958-1-robh@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Convert current_stack_pointer to a register alias like it is assumed if
ARCH_HAS_CURRENT_STACK_POINTER is selected. The existing implementation
as a function breaks CONFIG_HARDENED_USERCOPY sanity-checks.
- Get rid of -Warray-bounds warning within kexec code.
- Add minimal IBM z16 support by reporting a proper elf platform, and
adding compile options.
- Update defconfigs.
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Merge tag 's390-5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
- Convert current_stack_pointer to a register alias like it is assumed
if ARCH_HAS_CURRENT_STACK_POINTER is selected. The existing
implementation as a function breaks CONFIG_HARDENED_USERCOPY
sanity-checks
- Get rid of -Warray-bounds warning within kexec code
- Add minimal IBM z16 support by reporting a proper elf platform, and
adding compile options
- Update defconfigs
* tag 's390-5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: enable CONFIG_HARDENED_USERCOPY in debug_defconfig
s390: current_stack_pointer shouldn't be a function
s390: update defconfigs
s390/kexec: silence -Warray-bounds warning
s390: allow to compile with z16 optimizations
s390: add z16 elf platform
netfilter.
Current release - regressions:
- smc: fix af_ops of child socket pointing to released memory
- wifi: ath9k: fix usage of driver-private space in tx_info
Previous releases - regressions:
- ipv6: fix panic when forwarding a pkt with no in6 dev
- sctp: use the correct skb for security_sctp_assoc_request
- smc: fix NULL pointer dereference in smc_pnet_find_ib()
- sched: fix initialization order when updating chain 0 head
- phy: don't defer probe forever if PHY IRQ provider is missing
- dsa: revert "net: dsa: setup master before ports"
- dsa: felix: fix tagging protocol changes with multiple CPU ports
- eth: ice:
- fix use-after-free when freeing @rx_cpu_rmap
- revert "iavf: fix deadlock occurrence during resetting VF interface"
- eth: lan966x: stop processing the MAC entry is port is wrong
Previous releases - always broken:
- sched
- flower: fix parsing of ethertype following VLAN header
- taprio: check if socket flags are valid
- nfc: add flush_workqueue to prevent uaf
- veth: ensure eth header is in skb's linear part
- eth: stmmac: fix altr_tse_pcs function when using a fixed-link
- eth: macb: restart tx only if queue pointer is lagging
- eth: macvlan: fix leaking skb in source mode with nodst option
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from wireless and netfilter.
Current release - regressions:
- smc: fix af_ops of child socket pointing to released memory
- wifi: ath9k: fix usage of driver-private space in tx_info
Previous releases - regressions:
- ipv6: fix panic when forwarding a pkt with no in6 dev
- sctp: use the correct skb for security_sctp_assoc_request
- smc: fix NULL pointer dereference in smc_pnet_find_ib()
- sched: fix initialization order when updating chain 0 head
- phy: don't defer probe forever if PHY IRQ provider is missing
- dsa: revert "net: dsa: setup master before ports"
- dsa: felix: fix tagging protocol changes with multiple CPU ports
- eth: ice:
- fix use-after-free when freeing @rx_cpu_rmap
- revert "iavf: fix deadlock occurrence during resetting VF
interface"
- eth: lan966x: stop processing the MAC entry is port is wrong
Previous releases - always broken:
- sched:
- flower: fix parsing of ethertype following VLAN header
- taprio: check if socket flags are valid
- nfc: add flush_workqueue to prevent uaf
- veth: ensure eth header is in skb's linear part
- eth: stmmac: fix altr_tse_pcs function when using a fixed-link
- eth: macb: restart tx only if queue pointer is lagging
- eth: macvlan: fix leaking skb in source mode with nodst option"
* tag 'net-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (52 commits)
net: bcmgenet: Revert "Use stronger register read/writes to assure ordering"
rtnetlink: Fix handling of disabled L3 stats in RTM_GETSTATS replies
net: dsa: felix: fix tagging protocol changes with multiple CPU ports
tun: annotate access to queue->trans_start
nfc: nci: add flush_workqueue to prevent uaf
net: dsa: realtek: don't parse compatible string for RTL8366S
net: dsa: realtek: fix Kconfig to assure consistent driver linkage
net: ftgmac100: access hardware register after clock ready
Revert "net: dsa: setup master before ports"
macvlan: Fix leaking skb in source mode with nodst option
netfilter: nf_tables: nft_parse_register can return a negative value
net: lan966x: Stop processing the MAC entry is port is wrong.
net: lan966x: Fix when a port's upper is changed.
net: lan966x: Fix IGMP snooping when frames have vlan tag
net: lan966x: Update lan966x_ptp_get_nominal_value
sctp: Initialize daddr on peeled off socket
net/smc: Fix af_ops of child socket pointing to released memory
net/smc: Fix NULL pointer dereference in smc_pnet_find_ib()
net/smc: use memcpy instead of snprintf to avoid out of bounds read
net: macb: Restart tx only if queue pointer is lagging
...
This became an unexpectedly large pull request due to various
regression fixes in the previous kernels.
The majority of fixes are a series of patches to address the
regression at probe errors in devres'ed drivers, while there are
yet more fixes for the x86 SG allocations and for USB-audio
buffer management. In addition, a few HD-audio quirks and other
small fixes are found.
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Merge tag 'sound-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This became an unexpectedly large pull request due to various
regression fixes in the previous kernels.
The majority of fixes are a series of patches to address the
regression at probe errors in devres'ed drivers, while there are yet
more fixes for the x86 SG allocations and for USB-audio buffer
management. In addition, a few HD-audio quirks and other small fixes
are found"
* tag 'sound-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (52 commits)
ALSA: usb-audio: Limit max buffer and period sizes per time
ALSA: memalloc: Add fallback SG-buffer allocations for x86
ALSA: nm256: Don't call card private_free at probe error path
ALSA: mtpav: Don't call card private_free at probe error path
ALSA: rme9652: Fix the missing snd_card_free() call at probe error
ALSA: hdspm: Fix the missing snd_card_free() call at probe error
ALSA: hdsp: Fix the missing snd_card_free() call at probe error
ALSA: oxygen: Fix the missing snd_card_free() call at probe error
ALSA: lx6464es: Fix the missing snd_card_free() call at probe error
ALSA: cmipci: Fix the missing snd_card_free() call at probe error
ALSA: aw2: Fix the missing snd_card_free() call at probe error
ALSA: als300: Fix the missing snd_card_free() call at probe error
ALSA: lola: Fix the missing snd_card_free() call at probe error
ALSA: bt87x: Fix the missing snd_card_free() call at probe error
ALSA: sis7019: Fix the missing error handling
ALSA: intel_hdmi: Fix the missing snd_card_free() call at probe error
ALSA: via82xx: Fix the missing snd_card_free() call at probe error
ALSA: sonicvibes: Fix the missing snd_card_free() call at probe error
ALSA: rme96: Fix the missing snd_card_free() call at probe error
ALSA: rme32: Fix the missing snd_card_free() call at probe error
...
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Merge tag 'for-5.18-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few more code and warning fixes.
There's one feature ioctl removal patch slated for 5.18 that did not
make it to the main pull request. It's just a one-liner and the ioctl
has a v2 that's in use for a long time, no point to postpone it to
5.19.
Late update:
- remove balance v1 ioctl, superseded by v2 in 2012
Fixes:
- add back cgroup attribution for compressed writes
- add super block write start/end annotations to asynchronous balance
- fix root reference count on an error handling path
- in zoned mode, activate zone at the chunk allocation time to avoid
ENOSPC due to timing issues
- fix delayed allocation accounting for direct IO
Warning fixes:
- simplify assertion condition in zoned check
- remove an unused variable"
* tag 'for-5.18-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix btrfs_submit_compressed_write cgroup attribution
btrfs: fix root ref counts in error handling in btrfs_get_root_ref
btrfs: zoned: activate block group only for extent allocation
btrfs: return allocated block group from do_chunk_alloc()
btrfs: mark resumed async balance as writing
btrfs: remove support of balance v1 ioctl
btrfs: release correct delalloc amount in direct IO write path
btrfs: remove unused variable in btrfs_{start,write}_dirty_block_groups()
btrfs: zoned: remove redundant condition in btrfs_run_delalloc_range
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Merge tag 'fscache-fixes-20220413' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull fscache fixes from David Howells:
"Here's a collection of fscache and cachefiles fixes and misc small
cleanups. The two main fixes are:
- Add a missing unmark of the inode in-use mark in an error path.
- Fix a KASAN slab-out-of-bounds error when setting the xattr on a
cachefiles volume due to the wrong length being given to memcpy().
In addition, there's the removal of an unused parameter, removal of an
unused Kconfig option, conditionalising a bit of procfs-related stuff
and some doc fixes"
* tag 'fscache-fixes-20220413' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
fscache: remove FSCACHE_OLD_API Kconfig option
fscache: Use wrapper fscache_set_cache_state() directly when relinquishing
fscache: Move fscache_cookies_seq_ops specific code under CONFIG_PROC_FS
fscache: Remove the cookie parameter from fscache_clear_page_bits()
docs: filesystems: caching/backend-api.rst: fix an object withdrawn API
docs: filesystems: caching/backend-api.rst: correct two relinquish APIs use
cachefiles: Fix KASAN slab-out-of-bounds in cachefiles_set_volume_xattr
cachefiles: unmark inode in use in error path
Omar Sandoval