do_sendfile+0xadc/0xe20 fs/read_write.c:1372
 __do_sys_sendfile64 fs/read_write.c:1433 [inline]
 __se_sys_sendfile64 fs/read_write.c:1419 [inline]
 __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1419
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 8856 Comm: syz.2.876 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+0xf81/0x1350 mm/filemap.c:859
Code: 45 a5 c3 ff 48 8d 3d de fe 96 0e 67 48 0f b9 3a e9 07 fd ff ff e8 2f a5 c3 ff 48 c7 c6 a0 56 bd 8b 4c 89 ef e8 a0 bb 12 00 90 <0f> 0b 4c 8b 6c 24 60 e8 13 a5 c3 ff 48 c7 84 24 a0 00 00 00 03 00
RSP: 0018:ffffc9000376f430 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000000 RCX: ffffc90007591000
RDX: 0000000000080000 RSI: ffffffff8257aa28 RDI: ffff88805a1ca9c4
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea00010044c0 R14: 0000000000000000 R15: 1ffff920006edeb1
FS:  00007f66287f66c0(0000) GS:ffff8880d6473000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffa61a5010 CR3: 000000005941d000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x1d8/0x690 mm/filemap.c:967
 ra_alloc_folio mm/readahead.c:456 [inline]
 page_cache_ra_order+0x614/0xf10 mm/readahead.c:515
 page_cache_sync_ra+0x6c1/0xb00 mm/readahead.c:629
 filemap_get_pages+0x6cf/0x2030 mm/filemap.c:2696
 filemap_splice_read+0x46e/0xc80 mm/filemap.c:3085
 do_splice_read fs/splice.c:980 [inline]
 do_splice_read+0x285/0x370 fs/splice.c:954
 splice_direct_to_actor+0x2a1/0xa30 fs/splice.c:1084
 do_splice_direct_actor fs/splice.c:1202 [inline]
 do_splice_direct+0x174/0x240 fs/splice.c:1228
 do_sendfile+0xadc/0xe20 fs/read_write.c:1372
 __do_sys_sendfile64 fs/read_write.c:1433 [inline]
 __se_sys_sendfile64 fs/read_write.c:1419 [inline]
 __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1419
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f662a59cdd9
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:00007f66287f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f662a815fa0 RCX: 00007f662a59cdd9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f662a632d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000200002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f662a816038 R14: 00007f662a815fa0 R15: 00007ffd76d350a8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf81/0x1350 mm/filemap.c:859
Code: 45 a5 c3 ff 48 8d 3d de fe 96 0e 67 48 0f b9 3a e9 07 fd ff ff e8 2f a5 c3 ff 48 c7 c6 a0 56 bd 8b 4c 89 ef e8 a0 bb 12 00 90 <0f> 0b 4c 8b 6c 24 60 e8 13 a5 c3 ff 48 c7 84 24 a0 00 00 00 03 00
RSP: 0018:ffffc9000376f430 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000000 RCX: ffffc90007591000
RDX: 0000000000080000 RSI: ffffffff8257aa28 RDI: ffff88805a1ca9c4
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea00010044c0 R14: 0000000000000000 R15: 1ffff920006edeb1
FS:  00007f66287f66c0(0000) GS:ffff8880d6473000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffa61a5010 CR3: 000000005941d000 CR4: 0000000000352ef0