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. ======================================================= ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. (syz.0.0,5106,0):ocfs2_read_blocks_sync:112 ERROR: status = -12 (syz.0.0,5106,0):ocfs2_get_suballoc_slot_bit:2786 ERROR: read block 137438953611 failed -12 (syz.0.0,5106,0):ocfs2_get_suballoc_slot_bit:2818 ERROR: status = -12 (syz.0.0,5106,0):ocfs2_test_inode_bit:2900 ERROR: get alloc slot and bit failed -12 (syz.0.0,5106,0):ocfs2_test_inode_bit:2941 ERROR: status = -12 (syz.0.0,5106,0):ocfs2_get_dentry:78 ERROR: test inode bit failed -12 getblk(): invalid block size 512 requested logical block size: 2048 CPU: 0 UID: 0 PID: 5106 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-02520-gadfc3ded5c33 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 __getblk_slow fs/buffer.c:1124 [inline] bdev_getblk+0x4a6/0x550 fs/buffer.c:1437 __getblk include/linux/buffer_head.h:380 [inline] sb_getblk include/linux/buffer_head.h:386 [inline] ocfs2_read_blocks+0x4ea/0x1620 fs/ocfs2/buffer_head_io.c:236 ocfs2_read_inode_block_full fs/ocfs2/inode.c:1593 [inline] ocfs2_read_inode_block+0x106/0x1e0 fs/ocfs2/inode.c:1605 ocfs2_find_entry_id fs/ocfs2/dir.c:405 [inline] ocfs2_find_entry+0xab6/0x2780 fs/ocfs2/dir.c:1078 ocfs2_find_files_on_disk+0xff/0x360 fs/ocfs2/dir.c:1981 ocfs2_lookup_ino_from_name+0xb1/0x1e0 fs/ocfs2/dir.c:2003 ocfs2_lookup+0x292/0xa60 fs/ocfs2/namei.c:122 __lookup_slow+0x28c/0x3f0 fs/namei.c:1732 lookup_slow+0x53/0x70 fs/namei.c:1749 walk_component fs/namei.c:2053 [inline] link_path_walk+0x99b/0xea0 fs/namei.c:2418 path_lookupat+0xa9/0x450 fs/namei.c:2579 filename_lookup+0x256/0x610 fs/namei.c:2609 kern_path+0x35/0x50 fs/namei.c:2717 unix_find_bsd net/unix/af_unix.c:1124 [inline] unix_find_other+0x123/0x910 net/unix/af_unix.c:1185 unix_dgram_sendmsg+0xae0/0x1f80 net/unix/af_unix.c:2052 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2603 ___sys_sendmsg net/socket.c:2657 [inline] __sys_sendmmsg+0x3ac/0x730 net/socket.c:2743 __do_sys_sendmmsg net/socket.c:2772 [inline] __se_sys_sendmmsg net/socket.c:2769 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2769 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f434c97def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f434d7b5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f434cb35f80 RCX: 00007f434c97def9 RDX: 0000000000000001 RSI: 0000000020000e80 RDI: 0000000000000009 RBP: 00007f434c9f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f434cb35f80 R15: 00007ffc1e11ace8 (syz.0.0,5106,0):ocfs2_read_blocks:240 ERROR: status = -12 ===================================== WARNING: bad unlock balance detected! 6.11.0-syzkaller-02520-gadfc3ded5c33 #0 Not tainted ------------------------------------- syz.0.0/5106 is trying to release lock (&oi->ip_io_mutex) at: [] ocfs2_read_blocks+0x11c6/0x1620 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.0.0/5106: #0: ffff8880130209c0 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:825 [inline] #0: ffff8880130209c0 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1748 stack backtrace: CPU: 0 UID: 0 PID: 5106 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-02520-gadfc3ded5c33 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_unlock_imbalance_bug+0x256/0x2c0 kernel/locking/lockdep.c:5199 __lock_release kernel/locking/lockdep.c:5436 [inline] lock_release+0x5cb/0xa30 kernel/locking/lockdep.c:5780 __mutex_unlock_slowpath+0xe2/0x750 kernel/locking/mutex.c:912 ocfs2_read_blocks+0x11c6/0x1620 fs/ocfs2/buffer_head_io.c:394 ocfs2_read_inode_block_full fs/ocfs2/inode.c:1593 [inline] ocfs2_read_inode_block+0x106/0x1e0 fs/ocfs2/inode.c:1605 ocfs2_find_entry_id fs/ocfs2/dir.c:405 [inline] ocfs2_find_entry+0xab6/0x2780 fs/ocfs2/dir.c:1078 ocfs2_find_files_on_disk+0xff/0x360 fs/ocfs2/dir.c:1981 ocfs2_lookup_ino_from_name+0xb1/0x1e0 fs/ocfs2/dir.c:2003 ocfs2_lookup+0x292/0xa60 fs/ocfs2/namei.c:122 __lookup_slow+0x28c/0x3f0 fs/namei.c:1732 lookup_slow+0x53/0x70 fs/namei.c:1749 walk_component fs/namei.c:2053 [inline] link_path_walk+0x99b/0xea0 fs/namei.c:2418 path_lookupat+0xa9/0x450 fs/namei.c:2579 filename_lookup+0x256/0x610 fs/namei.c:2609 kern_path+0x35/0x50 fs/namei.c:2717 unix_find_bsd net/unix/af_unix.c:1124 [inline] unix_find_other+0x123/0x910 net/unix/af_unix.c:1185 unix_dgram_sendmsg+0xae0/0x1f80 net/unix/af_unix.c:2052 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2603 ___sys_sendmsg net/socket.c:2657 [inline] __sys_sendmmsg+0x3ac/0x730 net/socket.c:2743 __do_sys_sendmmsg net/socket.c:2772 [inline] __se_sys_sendmmsg net/socket.c:2769 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2769 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f434c97def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f434d7b5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f434cb35f80 RCX: 00007f434c97def9 RDX: 0000000000000001 RSI: 0000000020000e80 RDI: 0000000000000009 RBP: 00007f434c9f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f434cb35f80 R15: 00007ffc1e11ace8 (syz.0.0,5106,0):ocfs2_find_entry_id:407 ERROR: status = -12