WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= (syz.0.15,5952,1):ocfs2_read_blocks:240 ERROR: status = -12 ===================================== WARNING: bad unlock balance detected! 6.11.0-syzkaller #0 Not tainted ------------------------------------- syz.0.15/5952 is trying to release lock (&oi->ip_io_mutex) at: [] ocfs2_read_blocks+0x11b6/0x1600 fs/ocfs2/buffer_head_io.c:394 but there are no more locks to release! other info that might help us debug this: 1 lock held by syz.0.15/5952: #0: ffff888028c3e0e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x221/0x9d0 fs/super.c:344 stack backtrace: CPU: 1 UID: 0 PID: 5952 Comm: syz.0.15 Not tainted 6.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_unlock_imbalance_bug+0x25b/0x2d0 kernel/locking/lockdep.c:5260 __lock_release kernel/locking/lockdep.c:5499 [inline] lock_release+0x5ce/0xa20 kernel/locking/lockdep.c:5843 __mutex_unlock_slowpath+0xe2/0x750 kernel/locking/mutex.c:912 ocfs2_read_blocks+0x11b6/0x1600 fs/ocfs2/buffer_head_io.c:394 ocfs2_map_slot_buffers fs/ocfs2/slot_map.c:385 [inline] ocfs2_init_slot_info+0xb35/0x13c0 fs/ocfs2/slot_map.c:424 ocfs2_initialize_super fs/ocfs2/super.c:2274 [inline] ocfs2_fill_super+0x3174/0x5890 fs/ocfs2/super.c:994 mount_bdev+0x20a/0x2d0 fs/super.c:1679 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x290 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x82/0x160 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f12cfb7f69a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f12d09d1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f12d09d1ef0 RCX: 00007f12cfb7f69a RDX: 0000000020004440 RSI: 0000000020000040 RDI: 00007f12d09d1eb0 RBP: 0000000020004440 R08: 00007f12d09d1ef0 R09: 00000000000008c0 R10: 00000000000008c0 R11: 0000000000000246 R12: 0000000020000040 R13: 00007f12d09d1eb0 R14: 000000000000443b R15: 0000000020000180 (syz.0.15,5952,1):ocfs2_map_slot_buffers:388 ERROR: status = -12 (syz.0.15,5952,1):ocfs2_init_slot_info:426 ERROR: status = -12 (syz.0.15,5952,1):ocfs2_initialize_super:2276 ERROR: status = -12 (syz.0.15,5952,1):ocfs2_fill_super:1178 ERROR: status = -12