__do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 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: 0 UID: 0 PID: 11851 Comm: syz.2.1601 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__filemap_add_folio+0xf29/0x11b0 mm/filemap.c:858
Code: 97 c6 ff 48 c7 c6 80 ed 99 8b 4c 89 ef e8 0f 74 11 00 90 0f 0b e8 07 97 c6 ff 48 c7 c6 e0 ed 99 8b 4c 89 ef e8 f8 73 11 00 90 <0f> 0b e8 f0 96 c6 ff 90 0f 0b 90 e9 1c fc ff ff e8 e2 96 c6 ff 48
RSP: 0018:ffffc90004b17450 EFLAGS: 00010287
RAX: 000000000001a499 RBX: 0000000000000000 RCX: ffffc9000c1d1000
RDX: 0000000000080000 RSI: ffffffff81f84fc8 RDI: ffff88802c1b0484
RBP: 0000000000112c00 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088b4d7 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea00014f4e80 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb1fb0dc6c0(0000) GS:ffff8880d68f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3732fe7dac CR3: 000000005132a000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x19a/0x610 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x637/0xed0 mm/readahead.c:512
 page_cache_sync_ra+0x66b/0xbc0 mm/readahead.c:626
 filemap_get_pages+0x6f1/0x1d10 mm/filemap.c:2690
 filemap_splice_read+0x5cb/0xd60 mm/filemap.c:3079
 do_splice_read fs/splice.c:982 [inline]
 do_splice_read+0x285/0x370 fs/splice.c:956
 splice_direct_to_actor+0x2a1/0xa30 fs/splice.c:1086
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x174/0x240 fs/splice.c:1230
 do_sendfile+0xb06/0xe50 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64 fs/read_write.c:1417 [inline]
 __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb1fa18f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb1fb0dc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fb1fa3e5fa0 RCX: 00007fb1fa18f7c9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007fb1fa213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000200000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb1fa3e6038 R14: 00007fb1fa3e5fa0 R15: 00007ffc2ecde338
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf29/0x11b0 mm/filemap.c:858
Code: 97 c6 ff 48 c7 c6 80 ed 99 8b 4c 89 ef e8 0f 74 11 00 90 0f 0b e8 07 97 c6 ff 48 c7 c6 e0 ed 99 8b 4c 89 ef e8 f8 73 11 00 90 <0f> 0b e8 f0 96 c6 ff 90 0f 0b 90 e9 1c fc ff ff e8 e2 96 c6 ff 48
RSP: 0018:ffffc90004b17450 EFLAGS: 00010287
RAX: 000000000001a499 RBX: 0000000000000000 RCX: ffffc9000c1d1000
RDX: 0000000000080000 RSI: ffffffff81f84fc8 RDI: ffff88802c1b0484
RBP: 0000000000112c00 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088b4d7 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea00014f4e80 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb1fb0dc6c0(0000) GS:ffff8880d68f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f81a0317d60 CR3: 000000005132a000 CR4: 0000000000352ef0