------------[ cut here ]------------
kernel BUG at fs/buffer.c:1901!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19739 Comm: syz-executor.2 Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__block_write_full_folio+0xba7/0xdb0 fs/buffer.c:1901
Code: 3f 44 8a ff 4c 39 eb 0f 85 68 ff ff ff 44 8b 7c 24 08 e8 2c 44 8a ff 48 8b 3c 24 e8 e3 5a b7 ff e9 ba fb ff ff e8 19 44 8a ff <0f> 0b e8 12 44 8a ff 0f 0b e8 0b 44 8a ff be cd 00 00 00 48 c7 c7
RSP: 0018:ffffc90003ab6d38 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888033f88868 RCX: ffffc90021c0f000
RDX: 0000000000040000 RSI: ffffffff81fc8477 RDI: 0000000000000007
RBP: ffff888033f88868 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
R13: fffff52000756dcc R14: ffffc90003ab6e40 R15: 0000000000000001
FS:  00007f135b01e6c0(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f62a000 CR3: 000000002aa3f000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 block_write_full_page+0x399/0x530 fs/buffer.c:2755
 writeout+0x1b8/0x290 mm/migrate.c:897
 fallback_migrate_folio mm/migrate.c:921 [inline]
 move_to_new_folio+0x2ae/0x690 mm/migrate.c:970
 migrate_folio_move mm/migrate.c:1274 [inline]
 migrate_pages_batch+0x1b62/0x2c90 mm/migrate.c:1759
 migrate_pages_sync mm/migrate.c:1847 [inline]
 migrate_pages+0x1d93/0x27c0 mm/migrate.c:1929
 compact_zone+0x1dd2/0x4020 mm/compaction.c:2515
 compact_node+0x13e/0x1e0 mm/compaction.c:2812
 compact_nodes mm/compaction.c:2825 [inline]
 sysctl_compaction_handler mm/compaction.c:2871 [inline]
 sysctl_compaction_handler+0x11b/0x1c0 mm/compaction.c:2858
 proc_sys_call_handler+0x4c6/0x6e0 fs/proc/proc_sysctl.c:600
 call_write_iter include/linux/fs.h:1956 [inline]
 do_iter_readv_writev+0x21e/0x3c0 fs/read_write.c:735
 do_iter_write+0x17f/0x830 fs/read_write.c:860
 vfs_iter_write+0x7a/0xb0 fs/read_write.c:901
 iter_file_splice_write+0x698/0xbf0 fs/splice.c:736
 do_splice_from fs/splice.c:933 [inline]
 direct_splice_actor+0x118/0x180 fs/splice.c:1142
 splice_direct_to_actor+0x347/0xa30 fs/splice.c:1088
 do_splice_direct+0x1af/0x280 fs/splice.c:1194
 do_sendfile+0xb88/0x1390 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1316 [inline]
 __se_sys_sendfile64 fs/read_write.c:1308 [inline]
 __x64_sys_sendfile64+0x155/0x220 fs/read_write.c:1308
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f135a27cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f135b01e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f135a39bf80 RCX: 00007f135a27cae9
RDX: 00000000200000c0 RSI: 0000000000000003 RDI: 0000000000000004
RBP: 00007f135a2c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f135a39bf80 R15: 00007ffd2d122378
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__block_write_full_folio+0xba7/0xdb0 fs/buffer.c:1901
Code: 3f 44 8a ff 4c 39 eb 0f 85 68 ff ff ff 44 8b 7c 24 08 e8 2c 44 8a ff 48 8b 3c 24 e8 e3 5a b7 ff e9 ba fb ff ff e8 19 44 8a ff <0f> 0b e8 12 44 8a ff 0f 0b e8 0b 44 8a ff be cd 00 00 00 48 c7 c7
RSP: 0018:ffffc90003ab6d38 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888033f88868 RCX: ffffc90021c0f000
RDX: 0000000000040000 RSI: ffffffff81fc8477 RDI: 0000000000000007
RBP: ffff888033f88868 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
R13: fffff52000756dcc R14: ffffc90003ab6e40 R15: 0000000000000001
FS:  00007f135b01e6c0(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555565a3938 CR3: 000000002aa3f000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400