------------[ cut here ]------------
kernel BUG at fs/buffer.c:3054!
sp0: Synchronizing with TNC
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 29575 Comm: syz-executor.0 Not tainted 4.19.67 #41
kobject: 'loop1' (000000001949c2b4): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:submit_bh_wbc+0x61d/0x790 fs/buffer.c:3054
Code: 45 d0 48 8d 43 10 48 89 45 c0 e9 1b fc ff ff e8 59 f2 b1 ff f0 80 63 01 f7 e9 1f fb ff ff e8 4a f2 b1 ff 0f 0b e8 43 f2 b1 ff <0f> 0b e8 3c f2 b1 ff 0f 0b e8 35 f2 b1 ff 0f 0b e8 2e f2 b1 ff 0f
RSP: 0018:ffff8880895d79b0 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff888043168dc8 RCX: ffffc90005e7f000
RDX: 0000000000004b35 RSI: ffffffff81b96ced RDI: 0000000000000001
kobject: 'loop1' (000000001949c2b4): fill_kobj_path: path = '/devices/virtual/block/loop1'
RBP: ffff8880895d79f8 R08: ffff888091c6c380 R09: ffffed100862d1c6
R10: ffffed100862d1c5 R11: ffff888043168e2b R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fcc8d887700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200001c0 CR3: 00000000805f7000 CR4: 00000000001406f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 submit_bh fs/buffer.c:3101 [inline]
 __bread_slow fs/buffer.c:1176 [inline]
 __bread_gfp+0x13d/0x300 fs/buffer.c:1358
 sb_bread include/linux/buffer_head.h:307 [inline]
 read_raw_super_block fs/f2fs/super.c:2606 [inline]
 f2fs_fill_super+0x2c9/0x7640 fs/f2fs/super.c:2826
 mount_bdev+0x304/0x3c0 fs/super.c:1158
 f2fs_mount+0x35/0x40 fs/f2fs/super.c:3218
 mount_fs+0xa8/0x31f fs/super.c:1261
 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x53e/0x2bc0 fs/namespace.c:2799
 ksys_mount+0xdb/0x150 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c27a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d 8d fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7a 8d fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007fcc8d886a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcc8d886b40 RCX: 000000000045c27a
RDX: 00007fcc8d886ae0 RSI: 0000000020000340 RDI: 00007fcc8d886b00
RBP: 0000000000000001 R08: 00007fcc8d886b40 R09: 00007fcc8d886ae0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003
R13: 00000000004c898b R14: 00000000004df870 R15: 00000000ffffffff
Modules linked in:
kobject: 'rx-0' (000000009be9d904): kobject_cleanup, parent 00000000dfeb5b84
kobject: 'loop4' (000000007d636fe2): kobject_uevent_env
kobject: 'rx-0' (000000009be9d904): auto cleanup 'remove' event
---[ end trace d01b2782b7613911 ]---
kobject: 'loop4' (000000007d636fe2): fill_kobj_path: path = '/devices/virtual/block/loop4'
RIP: 0010:submit_bh_wbc+0x61d/0x790 fs/buffer.c:3054
kobject: 'rx-0' (000000009be9d904): kobject_uevent_env
kobject: 'rx-0' (000000009be9d904): fill_kobj_path: path = '/devices/virtual/net/sp0/queues/rx-0'
Code: 45 d0 48 8d 43 10 48 89 45 c0 e9 1b fc ff ff e8 59 f2 b1 ff f0 80 63 01 f7 e9 1f fb ff ff e8 4a f2 b1 ff 0f 0b e8 43 f2 b1 ff <0f> 0b e8 3c f2 b1 ff 0f 0b e8 35 f2 b1 ff 0f 0b e8 2e f2 b1 ff 0f
kobject: 'loop4' (000000007d636fe2): kobject_uevent_env
kobject: 'rx-0' (000000009be9d904): auto cleanup kobject_del
RSP: 0018:ffff8880895d79b0 EFLAGS: 00010212
kobject: 'rx-0' (000000009be9d904): calling ktype release
RAX: 0000000000040000 RBX: ffff888043168dc8 RCX: ffffc90005e7f000
kobject: 'loop4' (000000007d636fe2): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'rx-0': free name
kobject: 'loop4' (000000007d636fe2): kobject_uevent_env
RDX: 0000000000004b35 RSI: ffffffff81b96ced RDI: 0000000000000001
kobject: 'loop4' (000000007d636fe2): fill_kobj_path: path = '/devices/virtual/block/loop4'
RBP: ffff8880895d79f8 R08: ffff888091c6c380 R09: ffffed100862d1c6
kobject: 'tx-0' (0000000028136e46): kobject_cleanup, parent 00000000dfeb5b84
kobject: 'tx-0' (0000000028136e46): auto cleanup 'remove' event
kobject: 'loop4' (000000007d636fe2): kobject_uevent_env
R10: ffffed100862d1c5 R11: ffff888043168e2b R12: 0000000000000000
kobject: 'loop4' (000000007d636fe2): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'tx-0' (0000000028136e46): kobject_uevent_env
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fcc8d887700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
kobject: 'loop4' (000000007d636fe2): kobject_uevent_env
kobject: 'tx-0' (0000000028136e46): fill_kobj_path: path = '/devices/virtual/net/sp0/queues/tx-0'
kobject: 'loop4' (000000007d636fe2): fill_kobj_path: path = '/devices/virtual/block/loop4'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'tx-0' (0000000028136e46): auto cleanup kobject_del
CR2: 00007fff5ff0ec38 CR3: 00000000805f7000 CR4: 00000000001406f0
kobject: 'tx-0' (0000000028136e46): calling ktype release
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'tx-0': free name
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
kobject: 'loop4' (000000007d636fe2): kobject_uevent_env
kobject: 'queues' (00000000dfeb5b84): kobject_cleanup, parent           (null)
kobject: 'loop4' (000000007d636fe2): fill_kobj_path: path = '/devices/virtual/block/loop4'