------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 25900 at kernel/locking/mutex.c:582 __mutex_lock_common+0x1a3e/0x2530 kernel/locking/mutex.c:582 Modules linked in: CPU: 1 PID: 25900 Comm: syz-executor.2 Not tainted 6.3.0-rc2-syzkaller-00006-gfc89d7fb499b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:__mutex_lock_common+0x1a3e/0x2530 kernel/locking/mutex.c:582 Code: 04 28 84 c0 0f 85 82 08 00 00 83 3d 53 aa 9d 03 00 0f 85 00 e7 ff ff 48 c7 c7 60 74 ea 8a 48 c7 c6 00 75 ea 8a e8 92 70 9c f6 <0f> 0b e9 e6 e6 ff ff e8 e6 09 4a f6 e9 59 fb ff ff 0f 0b e9 bd f0 RSP: 0018:ffffc90005687340 EFLAGS: 00010246 RAX: ae8035290937fb00 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000c798000 RSI: 000000000000c248 RDI: 000000000000c249 RBP: ffffc900056874b0 R08: ffffffff815300d2 R09: ffffed101732515b R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f7a28a31700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7a28a10718 CR3: 000000007996d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 reiserfs_readdir_inode+0x181/0x14c0 fs/reiserfs/dir.c:79 iterate_dir+0x228/0x570 get_name fs/exportfs/expfs.c:325 [inline] exportfs_get_name+0x5de/0x730 fs/exportfs/expfs.c:36 reconnect_one fs/exportfs/expfs.c:142 [inline] reconnect_path+0x264/0x750 fs/exportfs/expfs.c:222 exportfs_decode_fh_raw+0x248/0x590 fs/exportfs/expfs.c:458 exportfs_decode_fh+0x3c/0x70 fs/exportfs/expfs.c:575 do_handle_to_path fs/fhandle.c:152 [inline] handle_to_path fs/fhandle.c:207 [inline] do_handle_open+0x450/0x960 fs/fhandle.c:223 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7a27c8c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7a28a31168 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 RAX: ffffffffffffffda RBX: 00007f7a27dabf80 RCX: 00007f7a27c8c0f9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f7a27ce7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff5025be2f R14: 00007f7a28a31300 R15: 0000000000022000