__do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xef/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:858! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 2 UID: 0 PID: 15789 Comm: syz.6.2666 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__filemap_add_folio+0xfcf/0x1280 mm/filemap.c:858 Code: 2e c5 ff 48 c7 c6 e0 39 bd 8b 4c 89 ef e8 69 40 12 00 90 0f 0b e8 21 2e c5 ff 48 c7 c6 40 3a bd 8b 4c 89 ef e8 52 40 12 00 90 <0f> 0b e8 0a 2e c5 ff 90 0f 0b 90 e9 4b fe ff ff e8 fc 2d c5 ff 90 RSP: 0018:ffffc900043373f8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000 RDX: ffff88802e4ec980 RSI: ffffffff82560a68 RDI: ffff88802e4ece44 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002 R13: ffffea0000fb63c0 R14: 0000000000000000 R15: 1ffff92000866ea9 FS: 00007faff21ff6c0(0000) GS:ffff8880d6538000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2292fe9f00 CR3: 000000005acec000 CR4: 0000000000352ef0 DR0: ffffffffffffffbe DR1: 00000000000001f8 DR2: 0000000000080083 DR3: 0000000000000005 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: filemap_add_folio+0x1d8/0x690 mm/filemap.c:966 ra_alloc_folio mm/readahead.c:456 [inline] page_cache_ra_order+0x614/0xf30 mm/readahead.c:515 do_sync_mmap_readahead mm/filemap.c:3405 [inline] filemap_fault+0x191a/0x2eb0 mm/filemap.c:3554 __do_fault+0x10d/0x550 mm/memory.c:5364 do_read_fault mm/memory.c:5799 [inline] do_fault+0xabb/0x18e0 mm/memory.c:5933 do_pte_missing mm/memory.c:4477 [inline] handle_pte_fault mm/memory.c:6317 [inline] __handle_mm_fault+0x1815/0x2b60 mm/memory.c:6455 handle_mm_fault+0x36d/0xa20 mm/memory.c:6624 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0xf9c/0x34d0 mm/gup.c:1428 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860 __mm_populate+0x107/0x3a0 mm/gup.c:1963 mm_populate include/linux/mm.h:3894 [inline] vm_mmap_pgoff+0x37f/0x470 mm/util.c:586 ksys_mmap_pgoff+0x3c8/0x650 mm/mmap.c:605 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faff139c819 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:00007faff21ff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007faff1616180 RCX: 00007faff139c819 RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007faff1432c91 R08: 000000000000000d R09: 000000002c93a000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007faff1616218 R14: 00007faff1616180 R15: 00007fffa0de47e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0xfcf/0x1280 mm/filemap.c:858 Code: 2e c5 ff 48 c7 c6 e0 39 bd 8b 4c 89 ef e8 69 40 12 00 90 0f 0b e8 21 2e c5 ff 48 c7 c6 40 3a bd 8b 4c 89 ef e8 52 40 12 00 90 <0f> 0b e8 0a 2e c5 ff 90 0f 0b 90 e9 4b fe ff ff e8 fc 2d c5 ff 90 RSP: 0018:ffffc900043373f8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000 RDX: ffff88802e4ec980 RSI: ffffffff82560a68 RDI: ffff88802e4ece44 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002 R13: ffffea0000fb63c0 R14: 0000000000000000 R15: 1ffff92000866ea9 FS: 00007faff21ff6c0(0000) GS:ffff8880d6638000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005573932d75fc CR3: 000000005acec000 CR4: 0000000000352ef0 DR0: ffffffffffffffbe DR1: 00000000000001f8 DR2: 0000000000080083 DR3: 0000000000000005 DR6: 00000000ffff0ff0 DR7: 0000000000000400