------------[ cut here ]------------ kernel BUG at fs/buffer.c:2785! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 6356 Comm: syz.1.113 Not tainted 6.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:submit_bh_wbc+0x556/0x560 fs/buffer.c:2785 Code: 89 fa e8 dd 76 cc 02 e9 95 fe ff ff e8 73 85 74 ff 90 0f 0b e8 6b 85 74 ff 90 0f 0b e8 63 85 74 ff 90 0f 0b e8 5b 85 74 ff 90 <0f> 0b e8 53 85 74 ff 90 0f 0b 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900090c70d8 EFLAGS: 00010287 RAX: ffffffff82206235 RBX: 0000000000000154 RCX: 0000000000040000 RDX: ffffc900041f1000 RSI: 0000000000000983 RDI: 0000000000000984 RBP: 0000000000000100 R08: ffffffff82205df9 R09: 1ffff1100b4a041d R10: dffffc0000000000 R11: ffffed100b4a041e R12: 0000000000000000 R13: ffff88805a5020e8 R14: 0000000000000000 R15: 1ffff1100b4a041d FS: 00007f037b9396c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f88d047ba12 CR3: 00000000233b4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: submit_bh fs/buffer.c:2824 [inline] block_read_full_folio+0x93b/0xcd0 fs/buffer.c:2451 do_mpage_readpage+0x1a73/0x1c80 fs/mpage.c:317 mpage_read_folio+0x108/0x1e0 fs/mpage.c:392 filemap_read_folio+0x14b/0x630 mm/filemap.c:2367 do_read_cache_folio+0x3f5/0x850 mm/filemap.c:3825 read_mapping_folio include/linux/pagemap.h:1011 [inline] nilfs_get_folio+0x4b/0x240 fs/nilfs2/dir.c:190 nilfs_find_entry+0x13d/0x660 fs/nilfs2/dir.c:313 nilfs_inode_by_name+0xad/0x240 fs/nilfs2/dir.c:394 nilfs_lookup+0xed/0x210 fs/nilfs2/namei.c:63 lookup_open fs/namei.c:3573 [inline] open_last_lookups fs/namei.c:3694 [inline] path_openat+0x11a7/0x3590 fs/namei.c:3930 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 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: 0033:0x7f037ab7dff9 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:00007f037b939038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f037ad35f80 RCX: 00007f037ab7dff9 RDX: 000000000000275a RSI: 0000000020000180 RDI: ffffffffffffff9c RBP: 00007f037abf0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f037ad35f80 R15: 00007ffd4b728378 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_bh_wbc+0x556/0x560 fs/buffer.c:2785 Code: 89 fa e8 dd 76 cc 02 e9 95 fe ff ff e8 73 85 74 ff 90 0f 0b e8 6b 85 74 ff 90 0f 0b e8 63 85 74 ff 90 0f 0b e8 5b 85 74 ff 90 <0f> 0b e8 53 85 74 ff 90 0f 0b 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900090c70d8 EFLAGS: 00010287 RAX: ffffffff82206235 RBX: 0000000000000154 RCX: 0000000000040000 RDX: ffffc900041f1000 RSI: 0000000000000983 RDI: 0000000000000984 RBP: 0000000000000100 R08: ffffffff82205df9 R09: 1ffff1100b4a041d R10: dffffc0000000000 R11: ffffed100b4a041e R12: 0000000000000000 R13: ffff88805a5020e8 R14: 0000000000000000 R15: 1ffff1100b4a041d FS: 00007f037b9396c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb33ab61160 CR3: 00000000233b4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400