WARNING in vfs_removexattr

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in vfs_removexattr fs				2	38d	38d	0/26	moderation: reported on 2024/04/23 22:04
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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000e8877930, owner = 0x0, curr 0xffff0000cce7b680, list empty
WARNING: CPU: 0 PID: 5286 at kernel/locking/rwsem.c:1350 __up_write kernel/locking/rwsem.c:1349 [inline]
WARNING: CPU: 0 PID: 5286 at kernel/locking/rwsem.c:1350 up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
Modules linked in:
CPU: 0 PID: 5286 Comm: syz-executor.2 Not tainted 5.15.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1349 [inline]
pc : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
lr : __up_write kernel/locking/rwsem.c:1349 [inline]
lr : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
sp : ffff80001e9b79a0
x29: ffff80001e9b79b0 x28: 1ffff00003d36f48 x27: dfff800000000000
x26: dfff800000000000 x25: 1fffe0001d10ef33 x24: ffff0000e8877988
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000cce7b680
x20: ffff0000e8877930 x19: ffff0000e8877930 x18: 0000000000000001
x17: 0000000000000002 x16: ffff800011998e34 x15: 00000000ffffffff
x14: ffff0000cce7b680 x13: 0000000000000001 x12: 0000000000040000
x11: 0000000000007612 x10: ffff80001de09000 x9 : a618c4efe3aab000
x8 : a618c4efe3aab000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001e9b7118 x4 : ffff800014a1f7a0 x3 : ffff8000085501f8
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 00000000000000bd
Call trace:
 __up_write kernel/locking/rwsem.c:1349 [inline]
 up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
 inode_unlock include/linux/fs.h:794 [inline]
 vfs_removexattr+0xec/0x23c fs/xattr.c:529
 removexattr fs/xattr.c:857 [inline]
 path_removexattr+0x1ec/0x2ec fs/xattr.c:871
 __do_sys_removexattr fs/xattr.c:885 [inline]
 __se_sys_removexattr fs/xattr.c:882 [inline]
 __arm64_sys_removexattr+0x60/0x78 fs/xattr.c:882
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 104
hardirqs last  enabled at (103): [<ffff80000832b458>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (104): [<ffff8000119944c0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (8): [<ffff8000080310b0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (6): [<ffff80000803107c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace fe956d2c7b1ffe43 ]---