------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff88805748b6d0, owner = 0x0, curr 0xffff88801ff6d940, list empty WARNING: CPU: 1 PID: 3820 at kernel/locking/rwsem.c:1345 __up_read+0x5fe/0x690 kernel/locking/rwsem.c:1345 Modules linked in: CPU: 1 PID: 3820 Comm: syz-executor.1 Not tainted 6.1.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:__up_read+0x5fe/0x690 kernel/locking/rwsem.c:1345 Code: eb 8a 48 0f 44 c1 48 c7 c7 60 f5 eb 8a 48 c7 c6 00 f6 eb 8a 4c 89 fa 4c 89 f1 49 89 d8 4d 89 e9 50 e8 66 dd e8 ff 48 83 c4 08 <0f> 0b 48 bb 00 00 00 00 00 fc ff df 4c 8b 2c 24 e9 4e fb ff ff 48 RSP: 0018:ffffc90004f0fa60 EFLAGS: 00010296 RAX: 688902696ae60c00 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000af3a000 RSI: 0000000000007ea2 RDI: 0000000000007ea3 RBP: ffffc90004f0fb18 R08: ffffffff81528ede R09: fffff520009e1ead R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88805748b728 R13: ffff88801ff6d940 R14: ffff88805748b6d0 R15: 0000000000000000 FS: 00007f13e97116c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32a3b000 CR3: 000000007ed2d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock_shared include/linux/fs.h:773 [inline] lookup_slow+0x5e/0x70 fs/namei.c:1708 walk_component+0x2d0/0x400 fs/namei.c:1998 lookup_last fs/namei.c:2455 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2479 filename_lookup+0x251/0x600 fs/namei.c:2508 user_path_at_empty+0x3e/0x60 fs/namei.c:2907 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3391 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f13e8a7cee9 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:00007f13e97110c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f13e8bb4070 RCX: 00007f13e8a7cee9 RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000020000300 RBP: 00007f13e8ac947f R08: 0000000000000000 R09: 0000000000000000 R10: 000000000009101a R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f13e8bb4070 R15: 00007ffec11a8988