hfs: unable to locate alternate MDB hfs: continuing without an alternate MDB ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 6295 at kernel/locking/mutex.c:582 __mutex_lock_common kernel/locking/mutex.c:582 [inline] WARNING: CPU: 1 PID: 6295 at kernel/locking/mutex.c:582 __mutex_lock+0x9f8/0x1350 kernel/locking/mutex.c:747 Modules linked in: CPU: 1 PID: 6295 Comm: syz-executor.1 Not tainted 6.4.0-rc1-syzkaller-00190-g31f4104e392a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:582 [inline] RIP: 0010:__mutex_lock+0x9f8/0x1350 kernel/locking/mutex.c:747 Code: 08 84 d2 0f 85 7e 08 00 00 8b 05 4f 2b 69 04 85 c0 0f 85 1b f7 ff ff 48 c7 c6 20 49 4c 8a 48 c7 c7 e0 46 4c 8a e8 b8 68 3a f7 <0f> 0b e9 01 f7 ff ff 48 8b 7c 24 30 be 08 00 00 00 e8 82 80 c4 f7 RSP: 0018:ffffc9000e917618 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90004f52000 RDX: 0000000000040000 RSI: ffffffff814b2457 RDI: 0000000000000001 RBP: ffff888021781828 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 000000002d2d2d2d R12: 0000000000000000 R13: dffffc0000000000 R14: ffffc9000e917858 R15: ffff88802a4be918 FS: 00007f328561b700(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f32848f180d CR3: 0000000048cd9000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 reiserfs_lookup+0x175/0x610 fs/reiserfs/namei.c:364 lookup_open.isra.0+0x944/0x1400 fs/namei.c:3470 open_last_lookups fs/namei.c:3560 [inline] path_openat+0x975/0x2750 fs/namei.c:3788 do_filp_open+0x1ba/0x410 fs/namei.c:3818 do_sys_openat2+0x16d/0x4c0 fs/open.c:1356 do_sys_open fs/open.c:1372 [inline] __do_sys_openat fs/open.c:1388 [inline] __se_sys_openat fs/open.c:1383 [inline] __x64_sys_openat+0x143/0x1f0 fs/open.c:1383 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f328488c169 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:00007f328561b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f32849abf80 RCX: 00007f328488c169 RDX: 0000000000141842 RSI: 0000000020000380 RDI: ffffffffffffff9c RBP: 00007f32848e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff13b92cef R14: 00007f328561b300 R15: 0000000000022000