------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 11912 at kernel/locking/mutex.c:582 __mutex_lock_common kernel/locking/mutex.c:582 [inline] WARNING: CPU: 0 PID: 11912 at kernel/locking/mutex.c:582 __mutex_lock+0xc39/0xd60 kernel/locking/mutex.c:747 Modules linked in: CPU: 0 PID: 11912 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00284-gb9ddbb0cde2a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:582 [inline] RIP: 0010:__mutex_lock+0xc39/0xd60 kernel/locking/mutex.c:747 Code: 04 20 84 c0 0f 85 13 01 00 00 83 3d 00 8e c2 03 00 0f 85 e2 f4 ff ff 48 c7 c7 a0 8f 0a 8b 48 c7 c6 40 90 0a 8b e8 87 57 7c f6 <0f> 0b e9 c8 f4 ff ff 0f 0b e9 d8 f8 ff ff 0f 0b e9 55 f5 ff ff 48 RSP: 0018:ffffc900151375c0 EFLAGS: 00010246 RAX: 42aaf02ec708e300 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90005409000 RSI: 0000000000004d7f RDI: 0000000000004d80 RBP: ffffc90015137720 R08: ffffffff81543302 R09: 1ffff1101730516a R10: dffffc0000000000 R11: ffffed101730516b R12: dffffc0000000000 R13: ffff888022add828 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fe85f18f6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f821000 CR3: 0000000058bea000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 reiserfs_lookup+0x162/0x580 fs/reiserfs/namei.c:364 lookup_open fs/namei.c:3473 [inline] open_last_lookups fs/namei.c:3563 [inline] path_openat+0x11f1/0x3180 fs/namei.c:3793 do_filp_open+0x234/0x490 fs/namei.c:3823 do_sys_openat2+0x13e/0x1d0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __x64_sys_openat+0x247/0x290 fs/open.c:1448 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: 0033:0x7fe85e47cae9 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:00007fe85f18f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe85e59bf80 RCX: 00007fe85e47cae9 RDX: 000000000000275a RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007fe85e4c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe85e59bf80 R15: 00007ffd27febc28