8021q: adding VLAN 0 to HW filter on device batadv0
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
8021q: adding VLAN 0 to HW filter on device batadv0
------------[ cut here ]------------
kernel BUG at fs/buffer.c:3054!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7574 Comm: syz-executor.0 Not tainted 4.19.90-syzkaller #0
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 c9 09 b0 ff f0 80 63 01 f7 e9 1f fb ff ff e8 ba 09 b0 ff 0f 0b e8 b3 09 b0 ff <0f> 0b e8 ac 09 b0 ff 0f 0b e8 a5 09 b0 ff 0f 0b e8 9e 09 b0 ff 0f
RSP: 0018:ffff88808d80fc28 EFLAGS: 00010293
RAX: ffff8880a0298500 RBX: ffff888093713a80 RCX: ffffffff81bb34e8
RDX: 0000000000000000 RSI: ffffffff81bb3a8d RDI: 0000000000000001
RBP: ffff88808d80fc70 R08: ffff8880a0298500 R09: ffffed10126e275d
R10: ffffed10126e275c R11: ffff888093713ae3 R12: 0000000000000000
R13: 0000000000000800 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000002592940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000000a63e9000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 submit_bh fs/buffer.c:3101 [inline]
 __sync_dirty_buffer+0x111/0x2e0 fs/buffer.c:3187
 sync_dirty_buffer+0x1b/0x20 fs/buffer.c:3200
 fat_set_state+0x242/0x330 fs/fat/inode.c:702
 fat_put_super+0x46/0xd0 fs/fat/inode.c:728
 generic_shutdown_super+0x14c/0x370 fs/super.c:456
 kill_block_super+0xa0/0x100 fs/super.c:1185
 deactivate_locked_super+0x95/0x100 fs/super.c:329
 deactivate_super fs/super.c:360 [inline]
 deactivate_super+0x1bd/0x1e0 fs/super.c:356
 cleanup_mnt+0xbf/0x150 fs/namespace.c:1098
 __cleanup_mnt+0x16/0x20 fs/namespace.c:1105
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d347
Code: 64 89 04 25 d0 02 00 00 58 5f ff d0 48 89 c7 e8 2f be ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc16ae6728 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045d347
RDX: 0000000000403720 RSI: 0000000000000002 RDI: 00007ffc16ae67d0
RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000009
R10: 0000000000000005 R11: 0000000000000206 R12: 00007ffc16ae7860
R13: 0000000002593940 R14: 0000000000000000 R15: 00007ffc16ae7860
Modules linked in:
---[ end trace b48e53607f982495 ]---
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 c9 09 b0 ff f0 80 63 01 f7 e9 1f fb ff ff e8 ba 09 b0 ff 0f 0b e8 b3 09 b0 ff <0f> 0b e8 ac 09 b0 ff 0f 0b e8 a5 09 b0 ff 0f 0b e8 9e 09 b0 ff 0f
RSP: 0018:ffff88808d80fc28 EFLAGS: 00010293
RAX: ffff8880a0298500 RBX: ffff888093713a80 RCX: ffffffff81bb34e8
RDX: 0000000000000000 RSI: ffffffff81bb3a8d RDI: 0000000000000001
kobject: 'loop4' (00000000c06a4345): kobject_uevent_env
RBP: ffff88808d80fc70 R08: ffff8880a0298500 R09: ffffed10126e275d
kobject: 'loop4' (00000000c06a4345): fill_kobj_path: path = '/devices/virtual/block/loop4'
R10: ffffed10126e275c R11: ffff888093713ae3 R12: 0000000000000000
R13: 0000000000000800 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000002592940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
kobject: 'loop2' (00000000bff69909): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop2' (00000000bff69909): fill_kobj_path: path = '/devices/virtual/block/loop2'
CR2: 00000000011a6188 CR3: 00000000a63e9000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400