------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888045574e38, owner = 0x0, curr 0xffff888000644880, list empty WARNING: CPU: 0 PID: 5335 at kernel/locking/rwsem.c:1368 __up_write kernel/locking/rwsem.c:1367 [inline] WARNING: CPU: 0 PID: 5335 at kernel/locking/rwsem.c:1368 up_write+0x506/0x590 kernel/locking/rwsem.c:1630 Modules linked in: CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00048-gc62f4b82d571 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__up_write kernel/locking/rwsem.c:1367 [inline] RIP: 0010:up_write+0x506/0x590 kernel/locking/rwsem.c:1630 Code: c7 c7 20 db 4a 8c 48 c7 c6 40 dd 4a 8c 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 ff 0a e4 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 64 10 60 90 80 e1 07 80 c1 03 RSP: 0018:ffffc9000d5d7d00 EFLAGS: 00010296 RAX: 49c7a17e301b4300 RBX: ffffffff8c4adc00 RCX: ffff888000644880 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000d5d7dd0 R08: ffffffff81827952 R09: 1ffff11003f847d2 R10: dffffc0000000000 R11: ffffed1003f847d3 R12: 0000000000000000 R13: ffff888045574e38 R14: 1ffff92001abafa8 R15: dffffc0000000000 FS: 00007ff3f47df6c0(0000) GS:ffff88808c593000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd862bfb40 CR3: 0000000036d08000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:872 [inline] done_path_create fs/namei.c:4135 [inline] do_symlinkat+0x295/0x3d0 fs/namei.c:4716 __do_sys_symlinkat fs/namei.c:4730 [inline] __se_sys_symlinkat fs/namei.c:4727 [inline] __x64_sys_symlinkat+0x95/0xb0 fs/namei.c:4727 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff3f398e169 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:00007ff3f47df038 EFLAGS: 00000246 ORIG_RAX: 000000000000010a RAX: ffffffffffffffda RBX: 00007ff3f3bb6160 RCX: 00007ff3f398e169 RDX: 00002000000003c0 RSI: 0000000000000004 RDI: 0000200000000240 RBP: 00007ff3f3a10a68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ff3f3bb6160 R15: 00007ffd862c0318