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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888054b5bd58, owner = 0x0, curr 0xffff88805ad25940, list empty
WARNING: CPU: 1 PID: 570 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 1 PID: 570 at kernel/locking/rwsem.c:1372 up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 570 Comm: syz-executor.0 Not tainted 6.1.84-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1371 [inline]
RIP: 0010:up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Code: 48 c7 c7 60 e2 eb 8a 48 c7 c6 a0 e4 eb 8a 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 9f d5 e8 ff 48 83 c4 08 <0f> 0b e9 71 fd ff ff 48 c7 c1 e8 9e 73 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000372fbc0 EFLAGS: 00010296
RAX: 862d3c884a112500 RBX: ffffffff8aebe340 RCX: 0000000000040000
RDX: ffffc9001841a000 RSI: 000000000001b193 RDI: 000000000001b194
RBP: ffffc9000372fc90 R08: ffffffff81527eae R09: fffff520006e5ed9
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888054b5bd58 R14: 1ffff920006e5f80 R15: dffffc0000000000
FS: 00007f31e94726c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31e9472d58 CR3: 000000001f46f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000003846 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
inode_unlock include/linux/fs.h:763 [inline]
chown_common+0x5b7/0x900 fs/open.c:738
do_fchownat+0x169/0x240 fs/open.c:767
__do_sys_lchown fs/open.c:792 [inline]
__se_sys_lchown fs/open.c:790 [inline]
__x64_sys_lchown+0x81/0x90 fs/open.c:790
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f31e867de69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f31e94720c8 EFLAGS: 00000246 ORIG_RAX: 000000000000005e
RAX: ffffffffffffffda RBX: 00007f31e87ac050 RCX: 00007f31e867de69
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000100
RBP: 00007f31e86ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f31e87ac050 R15: 00007ffe90f66b08
</TASK>