RBP: 00000000006dbc30 R08: 0000000000000002 R09: 0000000000003931
R10: 0000000000006785 R11: 0000000000000246 R12: 00000000006dbc3c
R13: 00007fe471eccd10 R14: 0000000000000007 R15: 0000000000000000
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 11769 Comm: syz-executor625 Not tainted 4.14.172-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88807e146200 task.stack: ffff8880a0400000
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:86 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline]
RIP: 0010:scatterwalk_copychunks+0x3c5/0x690 crypto/scatterwalk.c:55
RSP: 0018:ffff8880a0407370 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff88807ecd156c RCX: 0000000000001000
RDX: 0000000000000002 RSI: 0000000000000010 RDI: ffff88807ecd1560
RBP: ffff8880a04073d0 R08: ffffed100f10ec2a R09: ffffed100f10ec2a
R10: 0000000000000000 R11: ffff88807887614c R12: 0000000000001000
R13: ffff8880a0407410 R14: 0000000000001000 R15: dffffc0000000000
FS:  00007fe471ecd700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe471eabe78 CR3: 00000000904c3000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 scatterwalk_map_and_copy+0x10d/0x1a0 crypto/scatterwalk.c:72
 gcmaes_encrypt.constprop.14+0x1c0/0xae0 arch/x86/crypto/aesni-intel_glue.c:778
 generic_gcmaes_encrypt+0xf8/0x13d arch/x86/crypto/aesni-intel_glue.c:1111
 crypto_aead_encrypt include/crypto/aead.h:330 [inline]
 gcmaes_wrapper_encrypt+0xe5/0x140 arch/x86/crypto/aesni-intel_glue.c:945
 crypto_aead_encrypt include/crypto/aead.h:330 [inline]
 tls_do_encryption net/tls/tls_sw.c:234 [inline]
 tls_push_record+0x8ec/0x14d0 net/tls/tls_sw.c:270
 tls_sw_sendpage+0x446/0xc50 net/tls/tls_sw.c:617
 inet_sendpage+0x125/0x600 net/ipv4/af_inet.c:779
 kernel_sendpage+0x63/0xd0 net/socket.c:3407
 sock_sendpage+0x6d/0xd0 net/socket.c:871
 pipe_to_sendpage+0x208/0x420 fs/splice.c:451
 splice_from_pipe_feed fs/splice.c:502 [inline]
 __splice_from_pipe+0x2d4/0x730 fs/splice.c:626
 splice_from_pipe+0xb5/0x110 fs/splice.c:661
 generic_splice_sendpage+0x10/0x20 fs/splice.c:832
 do_splice_from fs/splice.c:851 [inline]
 direct_splice_actor+0x107/0x1c0 fs/splice.c:1018
 splice_direct_to_actor+0x27f/0x760 fs/splice.c:973
 do_splice_direct+0x144/0x250 fs/splice.c:1061
 do_sendfile+0x463/0xd00 fs/read_write.c:1441
 SYSC_sendfile64 fs/read_write.c:1502 [inline]
 SyS_sendfile64+0xf5/0x110 fs/read_write.c:1488
 do_syscall_64+0x1c9/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x446879
RSP: 002b:00007fe471eccd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446879
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003
RBP: 00000000006dbc30 R08: 0000000000000002 R09: 0000000000003931
R10: 0000000000006785 R11: 0000000000000246 R12: 00000000006dbc3c
R13: 00007fe471eccd10 R14: 0000000000000007 R15: 0000000000000000
Code: ff ff 48 89 c7 e8 6c fc 26 00 4c 89 ea 48 c1 ea 03 42 80 3c 3a 00 0f 85 84 01 00 00 48 8d 70 10 49 89 45 00 48 89 f2 48 c1 ea 03 <42> 0f b6 14 3a 84 d2 74 09 80 fa 03 0f 8e 4d 02 00 00 48 8b 5d 
RIP: scatterwalk_start include/crypto/scatterwalk.h:86 [inline] RSP: ffff8880a0407370
RIP: scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline] RSP: ffff8880a0407370
RIP: scatterwalk_copychunks+0x3c5/0x690 crypto/scatterwalk.c:55 RSP: ffff8880a0407370
---[ end trace 0ec946bfeea4d760 ]---