batman_adv: batadv0: Not using interface gretap1 (retrying later): interface not active
NILFS (loop0): nilfs_get_block (ino=18): a race condition while inserting a data block at offset=1
F2FS-fs (loop1): Found nat_bits in checkpoint
------------[ cut here ]------------
kernel BUG at fs/buffer.c:3106!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 11106 Comm: syz-executor.0 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
task: ffff8880496e42c0 task.stack: ffff888048c90000
RIP: 0010:submit_bh_wbc+0x573/0x6f0 fs/buffer.c:3106
RSP: 0018:ffff888048c97488 EFLAGS: 00010297
RAX: ffff8880496e42c0 RBX: ffff8880454c03f0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880454c03f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f6297fa0700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560642af0160 CR3: 000000009101b000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 submit_bh fs/buffer.c:3153 [inline]
 ll_rw_block+0x151/0x190 fs/buffer.c:3203
 __block_write_begin_int+0x878/0x11d0 fs/buffer.c:2068
 __block_write_begin fs/buffer.c:2088 [inline]
 block_write_begin+0x58/0x270 fs/buffer.c:2147
 nilfs_write_begin+0x95/0x1c0 fs/nilfs2/inode.c:280
 generic_perform_write+0x1d5/0x430 mm/filemap.c:3055
 __generic_file_write_iter+0x42b/0x590 mm/filemap.c:3148
 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208
 call_write_iter include/linux/fs.h:1780 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x44c/0x630 fs/read_write.c:482
 __kernel_write+0xf5/0x330 fs/read_write.c:501
 write_pipe_buf+0x143/0x1c0 fs/splice.c:797
 splice_from_pipe_feed fs/splice.c:502 [inline]
 __splice_from_pipe+0x326/0x7a0 fs/splice.c:626
 splice_from_pipe fs/splice.c:661 [inline]
 default_file_splice_write+0xc5/0x150 fs/splice.c:809
 do_splice_from fs/splice.c:851 [inline]
 direct_splice_actor+0x115/0x160 fs/splice.c:1018
 splice_direct_to_actor+0x27c/0x730 fs/splice.c:973
 do_splice_direct+0x164/0x210 fs/splice.c:1061
 do_sendfile+0x47f/0xb30 fs/read_write.c:1441
 SYSC_sendfile64 fs/read_write.c:1502 [inline]
 SyS_sendfile64+0xff/0x110 fs/read_write.c:1488
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f62a1d700f9
RSP: 002b:00007f6297fa0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f62a1e90120 RCX: 00007f62a1d700f9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000005
RBP: 00007f62a1dcbae9 R08: 0000000000000000 R09: 0000000000000000
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcfd92f2ef R14: 00007f6297fa0300 R15: 0000000000022000
Code: 07 c2 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 07 c2 ff 0f 0b e8 5d 07 c2 ff <0f> 0b e8 56 07 c2 ff 0f 0b e8 4f 07 c2 ff 0f 0b e8 48 07 c2 ff 
RIP: submit_bh_wbc+0x573/0x6f0 fs/buffer.c:3106 RSP: ffff888048c97488
---[ end trace 762220166baad77f ]---