handle_softirqs+0x225/0x840 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:859! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 2743 Comm: syz.0.7479 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026 RIP: 0010:__filemap_add_folio+0x11ee/0x1360 mm/filemap.c:858 Code: ff 4c 89 f7 48 c7 c6 20 f5 d7 8b e8 8c fc 22 ff 90 0f 0b e8 94 4f c1 ff 48 8b 7c 24 08 48 c7 c6 e0 e9 d7 8b e8 73 fc 22 ff 90 <0f> 0b e8 7b 4f c1 ff 4c 89 f7 48 c7 c6 20 f5 d7 8b e8 5c fc 22 ff RSP: 0018:ffffc90003d1f1c0 EFLAGS: 00010246 RAX: 196f8324cca6e200 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8dfe3478 RDI: 00000000ffffffff RBP: ffffc90003d1f340 R08: ffffffff9032f8f7 R09: 1ffffffff2065f1e R10: dffffc0000000000 R11: fffffbfff2065f1f R12: dffffc0000000000 R13: ffff8880265c2b40 R14: 0000000000000002 R15: ffff8880265c2c58 FS: 00007fa683ff66c0(0000) GS:ffff888125220000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f81c3a99fd0 CR3: 0000000041e84000 CR4: 0000000000350ef0 Call Trace: filemap_add_folio+0x25e/0x530 mm/filemap.c:966 ra_alloc_folio mm/readahead.c:470 [inline] page_cache_ra_order+0x6d1/0xee0 mm/readahead.c:535 do_sync_mmap_readahead+0x75e/0x990 mm/filemap.c:3428 filemap_fault+0x7d9/0x13b0 mm/filemap.c:3582 __do_fault+0x138/0x2a0 mm/memory.c:5425 do_read_fault mm/memory.c:5860 [inline] do_fault mm/memory.c:5994 [inline] do_pte_missing+0x2215/0x34b0 mm/memory.c:4566 handle_pte_fault mm/memory.c:6379 [inline] __handle_mm_fault mm/memory.c:6517 [inline] handle_mm_fault+0x1b36/0x3080 mm/memory.c:6686 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x1678/0x2720 mm/gup.c:1428 populate_vma_page_range+0x2be/0x3c0 mm/gup.c:1860 __mm_populate+0x25f/0x390 mm/gup.c:1963 mm_populate include/linux/mm.h:4171 [inline] vm_mmap_pgoff+0x353/0x4e0 mm/util.c:586 ksys_mmap_pgoff+0x4dc/0x760 mm/mmap.c:606 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa685d9ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa683ff6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fa686016090 RCX: 00007fa685d9ce59 RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007fa685e32e6f R08: 0000000000000004 R09: 000000002c93a000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa686016128 R14: 00007fa686016090 R15: 00007ffc6251be78 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11ee/0x1360 mm/filemap.c:858 Code: ff 4c 89 f7 48 c7 c6 20 f5 d7 8b e8 8c fc 22 ff 90 0f 0b e8 94 4f c1 ff 48 8b 7c 24 08 48 c7 c6 e0 e9 d7 8b e8 73 fc 22 ff 90 <0f> 0b e8 7b 4f c1 ff 4c 89 f7 48 c7 c6 20 f5 d7 8b e8 5c fc 22 ff RSP: 0018:ffffc90003d1f1c0 EFLAGS: 00010246 RAX: 196f8324cca6e200 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8dfe3478 RDI: 00000000ffffffff RBP: ffffc90003d1f340 R08: ffffffff9032f8f7 R09: 1ffffffff2065f1e R10: dffffc0000000000 R11: fffffbfff2065f1f R12: dffffc0000000000 R13: ffff8880265c2b40 R14: 0000000000000002 R15: ffff8880265c2c58 FS: 00007fa683ff66c0(0000) GS:ffff888125220000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f81c3a99fd0 CR3: 0000000041e84000 CR4: 0000000000350ef0