------------[ cut here ]------------ kernel BUG at fs/buffer.c:1829! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 32065 Comm: syz-executor.4 Not tainted 6.3.0-rc7-syzkaller-00060-g789b4a41c247 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:__block_write_full_page+0xfb2/0x16a0 fs/buffer.c:1829 Code: 02 e9 16 f2 ff ff e8 7d 48 8a ff 48 8b 3c 24 e8 b4 32 00 00 48 89 c7 48 c7 c6 80 77 f7 8a e8 e5 c2 c8 ff 0f 0b e8 5e 48 8a ff <0f> 0b f3 0f 1e fa 48 8b 2c 24 48 89 ee 48 81 e6 ff 0f 00 00 31 ff RSP: 0018:ffffc90014a96f50 EFLAGS: 00010293 RAX: ffffffff82002e62 RBX: 00fff0000000a02f RCX: ffff888040358000 RDX: 0000000000000000 RSI: 0000000000008000 RDI: 0000000000000000 RBP: 0000000000008000 R08: ffffffff820026a8 R09: fffff9400019abc9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 1ffff1100a5c9a01 R14: dffffc0000000000 R15: ffffea0000cd5e40 FS: 00007fa7b2c05700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3f099b8000 CR3: 000000002a815000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: writeout mm/migrate.c:907 [inline] fallback_migrate_folio mm/migrate.c:931 [inline] move_to_new_folio+0x7a1/0x14d0 mm/migrate.c:981 migrate_folio_move mm/migrate.c:1281 [inline] migrate_pages_batch+0x25d5/0x36e0 mm/migrate.c:1792 migrate_pages_sync mm/migrate.c:1892 [inline] migrate_pages+0x2798/0x3500 mm/migrate.c:1973 compact_zone+0x2ac4/0x4040 mm/compaction.c:2420 compact_node+0x216/0x420 mm/compaction.c:2717 compact_nodes mm/compaction.c:2730 [inline] sysctl_compaction_handler+0xab/0x150 mm/compaction.c:2774 proc_sys_call_handler+0x545/0x8a0 fs/proc/proc_sysctl.c:604 call_write_iter include/linux/fs.h:1851 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x7b2/0xbb0 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 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: 0033:0x7fa7b1e8c169 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:00007fa7b2c05168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa7b1fabf80 RCX: 00007fa7b1e8c169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fa7b1ee7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd11219abf R14: 00007fa7b2c05300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__block_write_full_page+0xfb2/0x16a0 fs/buffer.c:1829 Code: 02 e9 16 f2 ff ff e8 7d 48 8a ff 48 8b 3c 24 e8 b4 32 00 00 48 89 c7 48 c7 c6 80 77 f7 8a e8 e5 c2 c8 ff 0f 0b e8 5e 48 8a ff <0f> 0b f3 0f 1e fa 48 8b 2c 24 48 89 ee 48 81 e6 ff 0f 00 00 31 ff RSP: 0018:ffffc90014a96f50 EFLAGS: 00010293 RAX: ffffffff82002e62 RBX: 00fff0000000a02f RCX: ffff888040358000 RDX: 0000000000000000 RSI: 0000000000008000 RDI: 0000000000000000 RBP: 0000000000008000 R08: ffffffff820026a8 R09: fffff9400019abc9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 1ffff1100a5c9a01 R14: dffffc0000000000 R15: ffffea0000cd5e40 FS: 00007fa7b2c05700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc0ed4d548 CR3: 000000002a815000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400