------------[ cut here ]------------
WARNING: CPU: 0 PID: 21970 at fs/buffer.c:1130 mark_buffer_dirty+0x2dd/0x500
Modules linked in:
CPU: 0 PID: 21970 Comm: syz-executor.4 Not tainted 6.4.0-rc3-syzkaller-00032-g933174ae28ba #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023
RIP: 0010:mark_buffer_dirty+0x2dd/0x500 fs/buffer.c:1130
Code: df e8 77 17 e0 ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 22 69 fc ff e8 3d 43 88 ff e9 71 ff ff ff e8 33 43 88 ff <0f> 0b e9 6d fd ff ff e8 27 43 88 ff 0f 0b e9 96 fd ff ff e8 1b 43
RSP: 0018:ffffc90007eded88 EFLAGS: 00010246
RAX: ffffffff8203396d RBX: ffff88808a301401 RCX: 0000000000040000
RDX: ffffc900063d9000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff820336d4 R09: ffffed10135557d1
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88809aaabe80
R13: 1ffff11006d564b8 R14: 1ffff11006d564b9 R15: ffff888036ab25c0
FS:  00007f4609284700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe0acf45000 CR3: 000000002c2b1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_palloc_commit_alloc_entry+0x6e/0x160 fs/nilfs2/alloc.c:586
 nilfs_dat_commit_alloc+0x1ac/0x2c0 fs/nilfs2/dat.c:102
 nilfs_bmap_commit_alloc_ptr fs/nilfs2/bmap.h:194 [inline]
 nilfs_btree_commit_insert fs/nilfs2/btree.c:1220 [inline]
 nilfs_btree_insert+0x14fe/0x1b70 fs/nilfs2/btree.c:1250
 nilfs_bmap_do_insert fs/nilfs2/bmap.c:129 [inline]
 nilfs_bmap_insert+0x251/0x3b0 fs/nilfs2/bmap.c:155
 nilfs_get_block+0x428/0x8e0 fs/nilfs2/inode.c:101
 __block_write_begin_int+0x548/0x1a50 fs/buffer.c:2064
 __block_write_begin fs/buffer.c:2114 [inline]
 block_write_begin+0x9c/0x1f0 fs/buffer.c:2175
 nilfs_write_begin+0xa0/0x110 fs/nilfs2/inode.c:261
 generic_perform_write+0x300/0x5e0 mm/filemap.c:3923
 __generic_file_write_iter+0x17a/0x400 mm/filemap.c:4051
 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4083
 do_iter_write+0x7b1/0xcb0 fs/read_write.c:860
 iter_file_splice_write+0x843/0xfe0 fs/splice.c:795
 do_splice_from fs/splice.c:873 [inline]
 direct_splice_actor+0xe7/0x1c0 fs/splice.c:1039
 splice_direct_to_actor+0x4c4/0xbd0 fs/splice.c:994
 do_splice_direct+0x283/0x3d0 fs/splice.c:1082
 do_sendfile+0x620/0xff0 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f460848c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4609284168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f46085abf80 RCX: 00007f460848c169
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f46084e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000fc4 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdad8cf8ef R14: 00007f4609284300 R15: 0000000000022000
 </TASK>