------------[ cut here ]------------ kernel BUG at fs/buffer.c:1900! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9371 Comm: syz-executor.1 Not tainted 6.7.0-rc1-syzkaller-00019-gc42d9eeef8e5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:__block_write_full_folio+0xdca/0x1090 fs/buffer.c:1900 Code: 48 89 ee 48 81 e6 ff 0f 00 00 31 ff e8 3f 41 83 ff 48 81 e5 ff 0f 00 00 74 12 e8 f1 3c 83 ff e9 32 01 00 00 e8 e7 3c 83 ff 90 <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 63 1b df ff 48 c1 eb RSP: 0018:ffffc90009d76910 EFLAGS: 00010246 RAX: ffffffff820b41c9 RBX: 0000000000000002 RCX: 0000000000040000 RDX: ffffc90010f27000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffea0000cf9980 R08: ffffffff820b3b68 R09: 1ffffd400019f330 R10: dffffc0000000000 R11: fffff9400019f331 R12: 0000000000000001 R13: dffffc0000000000 R14: 0000000000000080 R15: 0000000000000000 FS: 00007f82f37ec6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbdeecffd00 CR3: 00000000282b0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: writeout mm/migrate.c:896 [inline] fallback_migrate_folio mm/migrate.c:920 [inline] move_to_new_folio+0x708/0x1320 mm/migrate.c:969 migrate_folio_move mm/migrate.c:1282 [inline] migrate_pages_batch+0x25fc/0x3610 mm/migrate.c:1773 migrate_pages_sync mm/migrate.c:1866 [inline] migrate_pages+0x2513/0x3310 mm/migrate.c:1948 compact_zone+0x312a/0x47f0 mm/compaction.c:2532 compact_node+0x217/0x420 mm/compaction.c:2829 compact_nodes mm/compaction.c:2842 [inline] sysctl_compaction_handler+0x103/0x1b0 mm/compaction.c:2888 proc_sys_call_handler+0x546/0x8a0 fs/proc/proc_sysctl.c:600 do_iter_readv_writev+0x330/0x4a0 do_iter_write+0x1f6/0x8d0 fs/read_write.c:860 iter_file_splice_write+0x86d/0x1010 fs/splice.c:736 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0xea/0x1c0 fs/splice.c:1142 splice_direct_to_actor+0x376/0x9e0 fs/splice.c:1088 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1194 do_sendfile+0x62c/0x1000 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1316 [inline] __se_sys_sendfile64+0x100/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f82f2a7cae9 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:00007f82f37ec0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f82f2b9bf80 RCX: 00007f82f2a7cae9 RDX: 00000000200000c0 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00007f82f2ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f82f2b9bf80 R15: 00007ffe30d2ff98 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__block_write_full_folio+0xdca/0x1090 fs/buffer.c:1900 Code: 48 89 ee 48 81 e6 ff 0f 00 00 31 ff e8 3f 41 83 ff 48 81 e5 ff 0f 00 00 74 12 e8 f1 3c 83 ff e9 32 01 00 00 e8 e7 3c 83 ff 90 <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 63 1b df ff 48 c1 eb RSP: 0018:ffffc90009d76910 EFLAGS: 00010246 RAX: ffffffff820b41c9 RBX: 0000000000000002 RCX: 0000000000040000 RDX: ffffc90010f27000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffea0000cf9980 R08: ffffffff820b3b68 R09: 1ffffd400019f330 R10: dffffc0000000000 R11: fffff9400019f331 R12: 0000000000000001 R13: dffffc0000000000 R14: 0000000000000080 R15: 0000000000000000 FS: 00007f82f37ec6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f33d0978038 CR3: 00000000282b0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400