minix_free_inode: bit 1 already cleared
MINIX-fs: mounting unchecked file system, running fsck is recommended
minix_free_inode: bit 1 already cleared
------------[ cut here ]------------
kernel BUG at fs/buffer.c:3122!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
init_special_inode: bogus i_mode (0) for inode loop2:1
Modules linked in:
CPU: 1 PID: 15051 Comm: syz-executor663 Not tainted 4.14.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809ef8c340 task.stack: ffff888084940000
RIP: 0010:submit_bh_wbc+0x573/0x6f0 fs/buffer.c:3122
RSP: 0018:ffff888084947bc8 EFLAGS: 00010297
init_special_inode: bogus i_mode (0) for inode loop5:1
MINIX-fs: mounting unchecked file system, running fsck is recommended
RAX: ffff88809ef8c340 RBX: ffff888080960f18 RCX: 0000000000000000
MINIX-fs: mounting unchecked file system, running fsck is recommended
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000008
FS:  0000000000ed4940(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
minix_free_inode: bit 1 already cleared
CR2: 0000000000000000 CR3: 00000000a8f42000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
minix_free_inode: bit 1 already cleared
 submit_bh fs/buffer.c:3169 [inline]
 __bread_slow fs/buffer.c:1238 [inline]
 __bread_gfp+0xff/0x1f0 fs/buffer.c:1431
MINIX-fs: mounting unchecked file system, running fsck is recommended
 sb_bread include/linux/buffer_head.h:309 [inline]
 minix_fill_super+0x8b6/0x1900 fs/minix/inode.c:255
 mount_bdev+0x2b3/0x360 fs/super.c:1134
minix_free_inode: bit 1 already cleared
 mount_fs+0x92/0x2a0 fs/super.c:1237
 vfs_kern_mount.part.0+0x5b/0x3c0 fs/namespace.c:1046
 vfs_kern_mount fs/namespace.c:1036 [inline]
 do_new_mount fs/namespace.c:2549 [inline]
 do_mount+0x3c9/0x25e0 fs/namespace.c:2879
 SYSC_mount fs/namespace.c:3095 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3072
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x4489fa
RSP: 002b:00007ffe92137af8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004489fa
RDX: 00007ffe92137b40 RSI: 0000000020000080 RDI: 00007ffe92137b60
RBP: 00000000000d27a7 R08: 00007ffe92137ba0 R09: 00000000000d27a7
R10: 0000000000000000 R11: 0000000000000287 R12: 00000000004031b0
R13: 0000000000403240 R14: 0000000000000000 R15: 0000000000000000
Code: 5b c3 ff f0 80 63 01 f7 e9 66 fb ff ff 48 8d 43 10 4c 8d 7b 20 48 89 44 24 08 e9 55 fc ff ff e8 64 5b c3 ff 0f 0b e8 5d 5b c3 ff <0f> 0b e8 56 5b c3 ff 0f 0b e8 4f 5b c3 ff 0f 0b e8 48 5b c3 ff 
RIP: submit_bh_wbc+0x573/0x6f0 fs/buffer.c:3122 RSP: ffff888084947bc8
init_special_inode: bogus i_mode (0) for inode loop4:1
MINIX-fs: mounting unchecked file system, running fsck is recommended
init_special_inode: bogus i_mode (0) for inode loop1:1
init_special_inode: bogus i_mode (0) for inode loop3:1
init_special_inode: bogus i_mode (0) for inode loop2:1
MINIX-fs: mounting unchecked file system, running fsck is recommended
init_special_inode: bogus i_mode (0) for inode loop5:1
MINIX-fs: mounting unchecked file system, running fsck is recommended
MINIX-fs: mounting unchecked file system, running fsck is recommended
minix_free_inode: bit 1 already cleared
minix_free_inode: bit 1 already cleared
MINIX-fs: mounting unchecked file system, running fsck is recommended
minix_free_inode: bit 1 already cleared
minix_free_inode: bit 1 already cleared
minix_free_inode: bit 1 already cleared
---[ end trace 86d7fdb6e991eaff ]---