do_sendfile+0xadc/0xe20 fs/read_write.c:1371
 __do_sys_sendfile64 fs/read_write.c:1432 [inline]
 __se_sys_sendfile64 fs/read_write.c:1418 [inline]
 __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1418
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 8800 Comm: syz.2.802 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+0xfc2/0x12a0 mm/filemap.c:858
Code: 4a c1 ff 48 c7 c6 20 91 bd 8b 4c 89 ef e8 c6 ea 12 00 90 0f 0b e8 fe 49 c1 ff 48 c7 c6 80 91 bd 8b 4c 89 ef e8 af ea 12 00 90 <0f> 0b e8 e7 49 c1 ff 48 c7 c6 00 92 bd 8b 4c 89 ef e8 98 ea 12 00
RSP: 0018:ffffc90006e07438 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff8880344b4a80 RSI: ffffffff825b20a8 RDI: ffff8880344b4f44
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea0000b76640 R14: 0000000000000160 R15: 0000000000000000
FS:  00007f57baa766c0(0000) GS:ffff8880d64e7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f57b9b86480 CR3: 000000003957d000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f7 DR2: 00000000ffffffff
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_add_folio+0x1d3/0x630 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:470 [inline]
 page_cache_ra_order+0x602/0xed0 mm/readahead.c:535
 page_cache_sync_ra+0x6ac/0xae0 mm/readahead.c:649
 filemap_get_pages+0x6cf/0x2030 mm/filemap.c:2704
 filemap_splice_read+0x46e/0xc90 mm/filemap.c:3093
 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:1371
 __do_sys_sendfile64 fs/read_write.c:1432 [inline]
 __se_sys_sendfile64 fs/read_write.c:1418 [inline]
 __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1418
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f57b9b9ce59
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:00007f57baa76028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f57b9e15fa0 RCX: 00007f57b9b9ce59
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f57b9c32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000200002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f57b9e16038 R14: 00007f57b9e15fa0 R15: 00007ffcc8c36a38
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xfc2/0x12a0 mm/filemap.c:858
Code: 4a c1 ff 48 c7 c6 20 91 bd 8b 4c 89 ef e8 c6 ea 12 00 90 0f 0b e8 fe 49 c1 ff 48 c7 c6 80 91 bd 8b 4c 89 ef e8 af ea 12 00 90 <0f> 0b e8 e7 49 c1 ff 48 c7 c6 00 92 bd 8b 4c 89 ef e8 98 ea 12 00
RSP: 0018:ffffc90006e07438 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff8880344b4a80 RSI: ffffffff825b20a8 RDI: ffff8880344b4f44
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea0000b76640 R14: 0000000000000160 R15: 0000000000000000
FS:  00007f57baa766c0(0000) GS:ffff8880d64e7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f57b9b86480 CR3: 000000003957d000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f7 DR2: 00000000ffffffff
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400