[syzbot] [nilfs?] WARNING in nilfs_btree_propagate

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: f3a2439f20d9 Merge tag 'rproc-v6.3' of git://git.kernel.or..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17228a74c80000
kernel config: https://syzkaller.appspot.com/x/.config?x=dd442ddf29eaca0c
dashboard link: https://syzkaller.appspot.com/bug?extid=527641d191abe35993c1
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/9dbed9360199/disk-f3a2439f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/d9708601442a/vmlinux-f3a2439f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/177fdbdbd4ea/bzImage-f3a2439f.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+527641...@syzkaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 1 PID: 6839 at fs/nilfs2/btree.c:2071 nilfs_btree_propagate+0xc72/0xde0
Modules linked in:
CPU: 1 PID: 6839 Comm: syz-executor.4 Not tainted 6.2.0-syzkaller-12485-gf3a2439f20d9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
RIP: 0010:nilfs_btree_propagate+0xc72/0xde0 fs/nilfs2/btree.c:2071
Code: 00 48 8b 44 24 08 49 8d 74 05 58 e8 c8 64 ff ff 48 8b 6c 24 10 43 80 3c 27 00 0f 85 1a fe ff ff e9 1d fe ff ff e8 3e 6c 39 fe <0f> 0b e9 f2 f3 ff ff e8 32 6c 39 fe 48 8b 1c 24 48 81 c3 d0 00 00
RSP: 0018:ffffc90006196ea0 EFLAGS: 00010283
RAX: ffffffff83537a82 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90005929000 RSI: 000000000001e5d4 RDI: 000000000001e5d5
RBP: ffffffff8b4581a8 R08: ffffffff83536e6c R09: ffffed100e936523
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1100e93652b R14: 1ffff1100e936522 R15: ffff8880749b2910
FS: 00007f851cc6a700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31f2b000 CR3: 0000000028470000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
nilfs_bmap_propagate+0x71/0x120 fs/nilfs2/bmap.c:337
nilfs_collect_file_data+0x4d/0xc0 fs/nilfs2/segment.c:568
nilfs_segctor_apply_buffers+0x180/0x330 fs/nilfs2/segment.c:1020
nilfs_segctor_scan_file_dsync fs/nilfs2/segment.c:1109 [inline]
nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1263 [inline]
nilfs_segctor_collect fs/nilfs2/segment.c:1505 [inline]
nilfs_segctor_do_construct+0x175e/0x6f70 fs/nilfs2/segment.c:2047
nilfs_construct_dsync_segment+0x5c4/0x6c0 fs/nilfs2/segment.c:2312
nilfs_sync_file+0xbc/0x260 fs/nilfs2/file.c:32
generic_write_sync include/linux/fs.h:2452 [inline]
generic_file_write_iter+0x2a1/0x310 mm/filemap.c:4090
do_iter_write+0x6ea/0xc50 fs/read_write.c:861
iter_file_splice_write+0x843/0xfe0 fs/splice.c:778
do_splice_from fs/splice.c:856 [inline]
direct_splice_actor+0xe7/0x1c0 fs/splice.c:1023
splice_direct_to_actor+0x4c4/0xbd0 fs/splice.c:978
do_splice_direct+0x283/0x3d0 fs/splice.c:1066
do_sendfile+0x620/0xff0 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1323 [inline]
__se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1309
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: 0033:0x7f851be8c0f9
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:00007f851cc6a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f851bfac050 RCX: 00007f851be8c0f9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007f851bee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000f03b2400 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdf954162f R14: 00007f851cc6a300 R15: 0000000000022000
</TASK>


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.