------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff888032803658, owner = 0x0, curr 0xffff888062f0da00, list empty
WARNING: CPU: 0 PID: 9299 at kernel/locking/rwsem.c:1341 __up_read+0x617/0x6b0 kernel/locking/rwsem.c:1341
Modules linked in:
CPU: 0 UID: 0 PID: 9299 Comm: syz.6.729 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__up_read+0x617/0x6b0 kernel/locking/rwsem.c:1341
Code: 8c 48 0f 44 c1 48 c7 c7 c0 8d 0a 8c 48 c7 c6 60 8e 0a 8c 4c 89 fa 4c 89 f1 49 89 d8 4d 89 e9 50 e8 6e 1c e6 ff 48 83 c4 08 90 <0f> 0b 90 90 48 bb 00 00 00 00 00 fc ff df 4c 8b 2c 24 e9 37 fb ff
RSP: 0018:ffffc900033b79e0 EFLAGS: 00010292
RAX: 97404fdaa7971a00 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90012779000 RSI: 000000000000724c RDI: 000000000000724d
RBP: ffffc900033b7a98 R08: ffffffff817feaa2 R09: 1ffffffff203563e
R10: dffffc0000000000 R11: fffffbfff203563f R12: ffff8880328036b0
R13: ffff888062f0da00 R14: ffff888032803658 R15: 0000000000000000
FS: 00007fb376c416c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000079f8e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
inode_unlock_shared include/linux/fs.h:878 [inline]
lookup_slow+0x5e/0x70 fs/namei.c:1809
walk_component+0x2e1/0x410 fs/namei.c:2112
lookup_last fs/namei.c:2610 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2634
filename_lookup+0x2a3/0x670 fs/namei.c:2663
do_linkat+0x13f/0x6f0 fs/namei.c:4843
__do_sys_link fs/namei.c:4897 [inline]
__se_sys_link fs/namei.c:4895 [inline]
__x64_sys_link+0x82/0x90 fs/namei.c:4895
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb375d85d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb376c41038 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007fb375f76080 RCX: 00007fb375d85d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000200
RBP: 00007fb375e01aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb375f76080 R15: 00007fffdf0f0198
</TASK>