__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: 1 UID: 0 PID: 7478 Comm: syz.0.4639 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: 5e c5 ff 48 c7 c6 c0 2f bd 8b 4c 89 ef e8 d9 3f 12 00 90 0f 0b e8 51 5e c5 ff 48 c7 c6 20 30 bd 8b 4c 89 ef e8 c2 3f 12 00 90 <0f> 0b e8 3a 5e c5 ff 90 0f 0b 90 e9 4b fe ff ff e8 2c 5e c5 ff 90
RSP: 0018:ffffc90006bdf428 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000112c00 RCX: ffffc90027802000
RDX: 0000000000080000 RSI: ffffffff82556ac8 RDI: ffff88802a202904
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea00014a2e80 R14: 0000000000000000 R15: 1ffff92000d7beaf
FS:  00007f079cbc46c0(0000) GS:ffff8880d6458000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055935052fda8 CR3: 0000000041a30000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000060000044 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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:3400 [inline]
 filemap_fault+0x191a/0x2eb0 mm/filemap.c:3549
 __do_fault+0x10d/0x550 mm/memory.c:5355
 do_shared_fault mm/memory.c:5854 [inline]
 do_fault+0x2db/0x1a00 mm/memory.c:5928
 do_pte_missing mm/memory.c:4469 [inline]
 handle_pte_fault mm/memory.c:6308 [inline]
 __handle_mm_fault+0x180f/0x2b60 mm/memory.c:6446
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6615
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0xf9c/0x34d0 mm/gup.c:1428
 __get_user_pages_locked mm/gup.c:1692 [inline]
 faultin_page_range+0x1f1/0x9e0 mm/gup.c:1912
 madvise_populate mm/madvise.c:974 [inline]
 madvise_do_behavior+0x354/0x510 mm/madvise.c:1933
 do_madvise+0x195/0x240 mm/madvise.c:2028
 __do_sys_madvise mm/madvise.c:2037 [inline]
 __se_sys_madvise mm/madvise.c:2035 [inline]
 __x64_sys_madvise+0xa9/0x110 mm/madvise.c:2035
 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: 0033:0x7f079bd9bf79
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:00007f079cbc4028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f079c015fa0 RCX: 00007f079bd9bf79
RDX: 0000000000000017 RSI: 0000000000c00000 RDI: 0000200000000000
RBP: 00007f079be327e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f079c016038 R14: 00007f079c015fa0 R15: 00007ffc0fcbdb28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xfcf/0x1280 mm/filemap.c:858
Code: 5e c5 ff 48 c7 c6 c0 2f bd 8b 4c 89 ef e8 d9 3f 12 00 90 0f 0b e8 51 5e c5 ff 48 c7 c6 20 30 bd 8b 4c 89 ef e8 c2 3f 12 00 90 <0f> 0b e8 3a 5e c5 ff 90 0f 0b 90 e9 4b fe ff ff e8 2c 5e c5 ff 90
RSP: 0018:ffffc90006bdf428 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000112c00 RCX: ffffc90027802000
RDX: 0000000000080000 RSI: ffffffff82556ac8 RDI: ffff88802a202904
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea00014a2e80 R14: 0000000000000000 R15: 1ffff92000d7beaf
FS:  00007f079cbc46c0(0000) GS:ffff8880d6458000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055935052fda8 CR3: 0000000041a30000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000060000044 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400