DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x1, magic = 0xffff8880372e8328, owner = 0xffff888026ff2440, curr 0xffff888026e70000, list empty WARNING: CPU: 3 PID: 6028 at kernel/locking/rwsem.c:1343 __up_read+0x5fb/0x760 kernel/locking/rwsem.c:1343 Modules linked in: CPU: 3 UID: 0 PID: 6028 Comm: syz-executor.1 Not tainted 6.11.0-rc6-syzkaller-gd1f2d51b711a #0 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_read+0x5fb/0x760 kernel/locking/rwsem.c:1343 Code: 3c 02 00 0f 85 c0 00 00 00 48 8b 13 41 57 4c 89 f1 48 c7 c6 80 cf 4c 8b 4c 8b 4c 24 10 48 c7 c7 20 ce 4c 8b e8 e6 8b e5 ff 90 <0f> 0b 90 90 59 e9 fc fa ff ff 48 c7 c7 54 7f 14 90 48 89 04 24 e8 RSP: 0018:ffffc90005d47b38 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880372e8328 RCX: ffffffff814e1d09 RDX: ffff888026e70000 RSI: ffffffff814e1d16 RDI: 0000000000000001 RBP: ffffffff90147f54 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880372e8330 R13: 1ffff92000ba8f6b R14: ffff8880372e8328 R15: ffffffff8b4ccd60 FS: 00007f63e35ca6c0(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb218dc6d58 CR3: 0000000034954000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock_shared include/linux/fs.h:815 [inline] lookup_slow fs/namei.c:1736 [inline] walk_component+0x35b/0x5b0 fs/namei.c:2039 lookup_last fs/namei.c:2542 [inline] path_lookupat+0x17f/0x770 fs/namei.c:2566 filename_lookup+0x1e5/0x5b0 fs/namei.c:2595 user_path_at+0x3a/0x60 fs/namei.c:3002 __do_sys_chdir fs/open.c:562 [inline] __se_sys_chdir fs/open.c:556 [inline] __x64_sys_chdir+0xbf/0x270 fs/open.c:556 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f63e287dda9 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:00007f63e35ca0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 RAX: ffffffffffffffda RBX: 00007f63e29ac050 RCX: 00007f63e287dda9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000380 RBP: 00007f63e28ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f63e29ac050 R15: 00007ffdb3e32e88