NILFS (loop0): discard dirty block: blocknr=0, size=1024
NILFS (loop0): discard dirty block: blocknr=0, size=1024
NILFS (loop0): discard dirty block: blocknr=0, size=1024
------------[ cut here ]------------
WARNING: CPU: 0 PID: 15510 at fs/buffer.c:1149 mark_buffer_dirty+0x347/0x480 fs/buffer.c:1149
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 15510 Comm: syz-executor.0 Not tainted 4.14.302-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
RIP: 0010:mark_buffer_dirty+0x347/0x480 fs/buffer.c:1149
RSP: 0018:ffff888068df75f0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880698f4c78 RCX: ffffc90005be8000
RDX: 0000000000040000 RSI: ffffffff8192d957 RDI: ffff8880698f4c78
RBP: ffff88806dfc1480 R08: ffffffff8b9d49e8 R09: 0000000000000006
R10: 0000000000000000 R11: ffff888098244180 R12: ffff8880936eb0c0
R13: ffff8880936eb0c8 R14: ffff8880936eb0d0 R15: ffff888068df7740
 nilfs_palloc_commit_alloc_entry+0x3d/0x150 fs/nilfs2/alloc.c:594
 nilfs_dat_commit_alloc+0x1d1/0x290 fs/nilfs2/dat.c:98
 nilfs_bmap_commit_alloc_ptr fs/nilfs2/bmap.h:203 [inline]
 nilfs_btree_commit_insert fs/nilfs2/btree.c:1221 [inline]
 nilfs_btree_insert+0xc57/0x1960 fs/nilfs2/btree.c:1251
 nilfs_bmap_do_insert fs/nilfs2/bmap.c:130 [inline]
 nilfs_bmap_insert+0x21b/0x380 fs/nilfs2/bmap.c:156
 nilfs_get_block+0x434/0x7a0 fs/nilfs2/inode.c:109
 __block_write_begin_int+0x35c/0x11d0 fs/buffer.c:2038
 __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+0x227/0x590 mm/filemap.c:3180
 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
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f0a914d80c9
RSP: 002b:00007f0a8fa4a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0a915f7f80 RCX: 00007f0a914d80c9
RDX: 00000000175d9003 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00007f0a91533ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa8ecc8bf R14: 00007f0a8fa4a300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..