Chao Yu cc249e4cba f2fs: fix to avoid accessing uninitialized spinlock ... syzbot reports a kernel bug: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 assign_lock_key+0x22a/0x240 kernel/locking/lockdep.c:981 register_lock_class+0x287/0x9b0 kernel/locking/lockdep.c:1294 __lock_acquire+0xe4/0x1f60 kernel/locking/lockdep.c:4934 lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5668 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] f2fs_save_errors fs/f2fs/super.c:3868 [inline] f2fs_handle_error+0x29/0x230 fs/f2fs/super.c:3896 f2fs_iget+0x215/0x4bb0 fs/f2fs/inode.c:516 f2fs_fill_super+0x47d3/0x7b50 fs/f2fs/super.c:4222 mount_bdev+0x26c/0x3a0 fs/super.c:1401 legacy_get_tree+0xea/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1531 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd F2FS-fs (loop1): Failed to read F2FS meta data inode The root cause is if sbi->error_lock may be accessed before its initialization, fix it. Link: https://lore.kernel.org/linux-f2fs-devel/0000000000007edb6605ecbb6442@google.com/T/#u Reported-by: syzbot+40642be9b7e0bb28e0df@syzkaller.appspotmail.com Fixes: 95fa90c9e5 ("f2fs: support recording errors into superblock") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>		2022-11-11 09:48:24 -08:00
..
acl.c	f2fs: port to vfs{g,u}id_t and associated helpers	2022-10-04 13:31:43 -07:00
acl.h	vfs: add rcu argument to ->get_acl() callback	2021-08-18 22:08:24 +02:00
checkpoint.c	f2fs: fix return val in f2fs_start_ckpt_thread()	2022-11-01 17:56:04 -07:00
compress.c	f2fs: support recording errors into superblock	2022-10-04 13:31:45 -07:00
data.c	f2fs-for-6.1-rc1	2022-10-10 20:28:41 -07:00
debug.c	f2fs: change to use atomic_t type form sbi.atomic_files	2022-10-07 12:57:26 -07:00
dir.c	f2fs: support recording errors into superblock	2022-10-04 13:31:45 -07:00
extent_cache.c	f2fs: code clean and fix a type error	2022-10-04 13:31:44 -07:00
f2fs.h	f2fs: correct i_size change for atomic writes	2022-11-11 09:48:24 -08:00
file.c	f2fs: correct i_size change for atomic writes	2022-11-11 09:48:24 -08:00
gc.c	f2fs: replace gc_urgent_high_remaining with gc_remaining_trials	2022-11-01 17:56:04 -07:00
gc.h	f2fs: remove redundant code for gc condition	2022-07-30 20:16:20 -07:00
hash.c	f2fs: don't use casefolded comparison for "." and ".."	2022-05-17 11:19:23 -07:00
inline.c	f2fs: support recording errors into superblock	2022-10-04 13:31:45 -07:00
inode.c	f2fs: correct i_size change for atomic writes	2022-11-11 09:48:24 -08:00
iostat.c	f2fs: iostat: support accounting compressed IO	2022-08-29 21:15:51 -07:00
iostat.h	f2fs: iostat: support accounting compressed IO	2022-08-29 21:15:51 -07:00
Kconfig	f2fs: introduce F2FS_UNFAIR_RWSEM to support unfair rwsem	2022-03-04 09:15:53 -08:00
Makefile	f2fs: separate out iostat feature	2021-08-23 10:25:51 -07:00
namei.c	f2fs: let's avoid to get cp_rwsem twice by f2fs_evict_inode by d_invalidate	2022-10-25 10:44:27 -07:00
node.c	f2fs: allow to read node block after shutdown	2022-11-11 09:47:58 -08:00
node.h	f2fs: change the current atomic write way	2022-05-12 10:14:03 -07:00
recovery.c	f2fs: support recording errors into superblock	2022-10-04 13:31:45 -07:00
segment.c	f2fs: correct i_size change for atomic writes	2022-11-11 09:48:24 -08:00
segment.h	f2fs: support recording errors into superblock	2022-10-04 13:31:45 -07:00
shrinker.c	f2fs: avoid race condition for shrinker count	2020-12-03 00:59:26 -08:00
super.c	f2fs: fix to avoid accessing uninitialized spinlock	2022-11-11 09:48:24 -08:00
sysfs.c	f2fs: add proc entry to show discard_plist info	2022-11-11 09:48:24 -08:00
verity.c	- Alistair Popple has a series which addresses a race which causes page	2022-10-14 12:28:43 -07:00
xattr.c	f2fs: support recording errors into superblock	2022-10-04 13:31:45 -07:00
xattr.h	f2fs: code cleanup by removing ifdef macro surrounding	2020-05-26 18:56:10 -07:00