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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880495520b0, owner = 0x0, curr 0xffff888024b28000, list empty
WARNING: CPU: 0 PID: 20128 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 20128 at kernel/locking/rwsem.c:1372 up_write+0x3a1/0x420 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 20128 Comm: syz.8.4119 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__up_write kernel/locking/rwsem.c:1371 [inline]
RIP: 0010:up_write+0x3a1/0x420 kernel/locking/rwsem.c:1626
Code: 44 d0 48 c7 c7 a0 05 8c 8a 48 c7 c6 e0 07 8c 8a 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 f3 30 ea ff 48 83 c4 08 <0f> 0b e9 6b fd ff ff 48 c7 c1 e8 f7 1f 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90004557930 EFLAGS: 00010296
RAX: 94d40a53a9b0a600 RBX: ffff8880495520b0 RCX: 0000000000080000
RDX: ffffc900102be000 RSI: 00000000000212d5 RDI: 00000000000212d6
RBP: dffffc0000000000 R08: ffffc900045575a7 R09: 1ffff920008aaeb4
R10: dffffc0000000000 R11: fffff520008aaeb5 R12: 0000000000000000
R13: ffff888049552108 R14: ffff8880495520b0 R15: 1ffff110092aa417
FS: 00007f0d8d3f66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f006ac431a9 CR3: 000000005f243000 CR4: 00000000003506f0
Call Trace:
<TASK>
inode_unlock include/linux/fs.h:763 [inline]
open_last_lookups fs/namei.c:3562 [inline]
path_openat+0x1506/0x2ee0 fs/namei.c:3788
do_filp_open+0x1f1/0x430 fs/namei.c:3818
do_sys_openat2+0x150/0x4b0 fs/open.c:1320
do_sys_open fs/open.c:1336 [inline]
__do_sys_openat fs/open.c:1352 [inline]
__se_sys_openat fs/open.c:1347 [inline]
__x64_sys_openat+0x135/0x160 fs/open.c:1347
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0d8f19aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0d8d3f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f0d8f416090 RCX: 00007f0d8f19aeb9
RDX: 0000000000000042 RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f0d8f208c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0d8f416128 R14: 00007f0d8f416090 R15: 00007ffda0c62448
</TASK>