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[syzbot] [ext4?] WARNING: locking bug in ext4_xattr_inode_iget (2) | 0 (1) | 2024/03/31 14:03 |
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[syzbot] [ext4?] WARNING: locking bug in ext4_xattr_inode_iget (2) | 0 (1) | 2024/03/31 14:03 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-6.1 | WARNING: locking bug in ext4_xattr_inode_iget origin:upstream missing-backport | C | inconclusive | 7 | 262d | 498d | 0/3 | upstream: reported C repro on 2023/05/06 10:34 | |
upstream | WARNING: locking bug in ext4_xattr_inode_iget ext4 | C | error | 23 | 464d | 495d | 22/28 | fixed on 2023/07/01 16:05 | |
linux-5.15 | WARNING: locking bug in ext4_xattr_inode_iget | C | error | 4 | 466d | 495d | 0/3 | auto-obsoleted due to no activity on 2023/09/14 16:49 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/04/14 09:20 | 26m | retest repro | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | OK log |
------------[ cut here ]------------ Looking for class "&ea_inode->i_rwsem" with key ext4_fs_type, but found a different class "&sb->s_type->i_mutex_key" with the same key WARNING: CPU: 0 PID: 9266 at kernel/locking/lockdep.c:935 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932 Modules linked in: CPU: 0 PID: 9266 Comm: syz-executor362 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932 lr : look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932 sp : ffff80009cd170e0 x29: ffff80009cd170e0 x28: dfff800000000000 x27: ffff7000139a2ea0 x26: ffff80009341f300 x25: ffff80009341f000 x24: 0000000000000000 x23: ffff7000139a2e58 x22: 0000000000000000 x21: ffff80008f027b98 x20: ffff0000de282200 x19: ffff800092024890 x18: 1ffff000139a2e5c x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001 x14: 1fffe00036800002 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : a911bda9a52fff00 x8 : a911bda9a52fff00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009cd169d8 x4 : ffff80008ed822c0 x3 : ffff8000805ba130 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932 register_lock_class+0x8c/0x6ac kernel/locking/lockdep.c:1284 __lock_acquire+0x184/0x763c kernel/locking/lockdep.c:5014 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754 down_write+0x50/0xc0 kernel/locking/rwsem.c:1579 inode_lock include/linux/fs.h:804 [inline] ext4_xattr_inode_iget+0x344/0x4dc fs/ext4/xattr.c:461 ext4_xattr_inode_get+0x12c/0x37c fs/ext4/xattr.c:535 ext4_xattr_block_get fs/ext4/xattr.c:613 [inline] ext4_xattr_get+0x5d0/0x6f4 fs/ext4/xattr.c:714 ext4_xattr_trusted_get+0x40/0x54 fs/ext4/xattr_trusted.c:27 __vfs_getxattr+0x394/0x3c0 fs/xattr.c:424 vfs_getxattr+0x268/0x2c4 fs/xattr.c:457 do_getxattr+0x1e4/0x480 fs/xattr.c:739 getxattr fs/xattr.c:772 [inline] path_getxattr+0x29c/0x388 fs/xattr.c:788 __do_sys_lgetxattr fs/xattr.c:806 [inline] __se_sys_lgetxattr fs/xattr.c:803 [inline] __arm64_sys_lgetxattr+0xa0/0xb8 fs/xattr.c:803 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 57 hardirqs last enabled at (57): [<ffff8000809fe3d0>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (56): [<ffff8000809fe268>] kasan_quarantine_put+0x38/0x1c8 mm/kasan/quarantine.c:207 softirqs last enabled at (8): [<ffff80008003165c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6): [<ffff800080031628>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ======================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/03/27 14:00 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 707081b61156 | 454571b6 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-arm64 | WARNING: locking bug in ext4_xattr_inode_iget |