NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=18)
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kernel BUG at fs/buffer.c:2790!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 9361 Comm: syz.3.325 Not tainted 6.11.0-rc1-syzkaller-00154-gc0ecd6388360 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:submit_bh_wbc+0x556/0x560 fs/buffer.c:2790
Code: 89 fa e8 0d fa c6 02 e9 95 fe ff ff e8 a3 fe 78 ff 90 0f 0b e8 9b fe 78 ff 90 0f 0b e8 93 fe 78 ff 90 0f 0b e8 8b fe 78 ff 90 <0f> 0b e8 83 fe 78 ff 90 0f 0b 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900045571d8 EFLAGS: 00010287

RAX: ffffffff821a6745 RBX: 0000000000000154 RCX: 0000000000040000
RDX: ffffc9001119b000 RSI: 0000000000006b0e RDI: 0000000000006b0f
RBP: 0000000000000100 R08: ffffffff821a6309 R09: 1ffff1100fbc60ae
R10: dffffc0000000000 R11: ffffed100fbc60af R12: 0000000000000000
R13: ffff88807de30570 R14: 0000000000000000 R15: 1ffff1100fbc60ae
FS:  00007f2f5c18a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e004ff8 CR3: 00000000797a0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 submit_bh fs/buffer.c:2829 [inline]
 block_read_full_folio+0x93b/0xcd0 fs/buffer.c:2456
 do_mpage_readpage+0x1a73/0x1c80 fs/mpage.c:317
 mpage_read_folio+0x108/0x1e0 fs/mpage.c:392
 filemap_read_folio+0x1a0/0x790 mm/filemap.c:2355
 do_read_cache_folio+0x134/0x820 mm/filemap.c:3789
 read_mapping_folio include/linux/pagemap.h:913 [inline]
 nilfs_get_folio+0x4b/0x240 fs/nilfs2/dir.c:190
 nilfs_find_entry+0x138/0x650 fs/nilfs2/dir.c:347
 nilfs_inode_by_name+0xa8/0x210 fs/nilfs2/dir.c:427
 nilfs_lookup+0x76/0x110 fs/nilfs2/namei.c:62
 __lookup_slow+0x28c/0x3f0 fs/namei.c:1718
 lookup_slow+0x53/0x70 fs/namei.c:1735
 walk_component fs/namei.c:2039 [inline]
 link_path_walk+0x99b/0xea0 fs/namei.c:2404
 path_lookupat+0xa9/0x450 fs/namei.c:2565
 filename_lookup+0x256/0x610 fs/namei.c:2595
 user_path_at+0x3a/0x60 fs/namei.c:3002
 do_mount fs/namespace.c:3809 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x297/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2f5b3773b9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2f5c18a048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2f5b505f80 RCX: 00007f2f5b3773b9
RDX: 0000000020000080 RSI: 0000000020000280 RDI: 0000000000000000
RBP: 00007f2f5b3e48e6 R08: 0000000020000440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2f5b505f80 R15: 00007fff9195b4e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:submit_bh_wbc+0x556/0x560 fs/buffer.c:2790
Code: 89 fa e8 0d fa c6 02 e9 95 fe ff ff e8 a3 fe 78 ff 90 0f 0b e8 9b fe 78 ff 90 0f 0b e8 93 fe 78 ff 90 0f 0b e8 8b fe 78 ff 90 <0f> 0b e8 83 fe 78 ff 90 0f 0b 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900045571d8 EFLAGS: 00010287
RAX: ffffffff821a6745 RBX: 0000000000000154 RCX: 0000000000040000
RDX: ffffc9001119b000 RSI: 0000000000006b0e RDI: 0000000000006b0f
RBP: 0000000000000100 R08: ffffffff821a6309 R09: 1ffff1100fbc60ae
R10: dffffc0000000000 R11: ffffed100fbc60af R12: 0000000000000000
R13: ffff88807de30570 R14: 0000000000000000 R15: 1ffff1100fbc60ae
FS:  00007f2f5c18a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f883b35a520 CR3: 00000000797a0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400