random: crng init done
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: 1 PID: 2057 Comm: syz-executor139 Not tainted 4.9.141+ #23
task: ffff8801d1632f80 task.stack: ffff8801cfbc8000
RIP: 0010:[<ffffffff824e0ebd>]  [<ffffffff824e0ebd>] do_tcp_sendpages net/ipv4/tcp.c:924 [inline]
RIP: 0010:[<ffffffff824e0ebd>]  [<ffffffff824e0ebd>] tcp_sendpage+0x35d/0x1910 net/ipv4/tcp.c:1033
RSP: 0018:ffff8801cfbcf920  EFLAGS: 00010206
RAX: 000000000000000f RBX: 0000000000000000 RCX: 1ffff10039f5304b
RDX: 0000000000000000 RSI: ffffffff824e0eab RDI: 0000000000000078
RBP: ffff8801cfbcfa88 R08: ffff8801d1633830 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000fd58
R13: ffff8801c4c42ec0 R14: ffff8801cfa98000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8801db700000(0063) knlGS:00000000f76efb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020010000 CR3: 00000001d29de000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801cfbcf930 ffffffff81243c87 0000000000000246 ffff8801d1632f80
 ffffffff830cc2e0 fffffbfff067d37c 0000000000000000 ffff8801d1633830
 ffffed003a2c6705 0000000000000000 ffff8801cfa983e8 ffff8801cfbcf9e0
Call Trace:
 [<ffffffff825968b1>] inet_sendpage+0x221/0x510 net/ipv4/af_inet.c:787
 [<ffffffff822a0313>] kernel_sendpage+0x93/0xf0 net/socket.c:3334
 [<ffffffff822a03fc>] sock_sendpage+0x8c/0xc0 net/socket.c:802
 [<ffffffff815a98c6>] pipe_to_sendpage+0x266/0x330 fs/splice.c:470
 [<ffffffff815ad926>] splice_from_pipe_feed fs/splice.c:521 [inline]
 [<ffffffff815ad926>] __splice_from_pipe+0x316/0x710 fs/splice.c:645
 [<ffffffff815af439>] splice_from_pipe+0xf9/0x170 fs/splice.c:680
 [<ffffffff815af4ec>] generic_splice_sendpage+0x3c/0x50 fs/splice.c:851
 [<ffffffff815b066d>] do_splice_from fs/splice.c:870 [inline]
 [<ffffffff815b066d>] do_splice fs/splice.c:1166 [inline]
 [<ffffffff815b066d>] SYSC_splice fs/splice.c:1416 [inline]
 [<ffffffff815b066d>] SyS_splice+0xe4d/0x14d0 fs/splice.c:1399
 [<ffffffff81006311>] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline]
 [<ffffffff81006311>] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390
 [<ffffffff82818de0>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
Code: ff ff 48 0f 44 d8 e8 c3 ab e3 fe 4d 85 e4 0f 84 f0 04 00 00 e8 b5 ab e3 fe 48 8d 7b 78 44 8b a5 58 ff ff ff 48 89 f8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 03 0f 8e 06 11 00 00 44 2b 63 78 
RIP  [<ffffffff824e0ebd>] do_tcp_sendpages net/ipv4/tcp.c:924 [inline]
RIP  [<ffffffff824e0ebd>] tcp_sendpage+0x35d/0x1910 net/ipv4/tcp.c:1033
 RSP <ffff8801cfbcf920>
---[ end trace 9965a59fc85c8748 ]---