__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.40+0x3a/0xe0 net/core/skbuff.c:137
__alloc_skb+0x14d/0x780 net/core/skbuff.c:205
BUG: unable to handle kernel NULL pointer dereference
alloc_skb include/linux/skbuff.h:987 [inline]
__ip6_append_data.isra.47+0x2865/0x3970 net/ipv6/ip6_output.c:1426
at 0000000000000000
PGD 1caf26067
P4D 1caf26067
PUD 1aa784067
PMD 0
Oops: 0010 [#1] SMP KASAN
CPU: 0 PID: 7762 Comm: syz-executor3 Not tainted 4.17.0+ #84
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010: (null)
ip6_append_data+0x1bd/0x2e0 net/ipv6/ip6_output.c:1589
Code: Bad RIP value.
RSP: 0018:ffff8801902e76d8 EFLAGS: 00010246
rawv6_sendmsg+0x1193/0x45b0 net/ipv6/raw.c:928
RAX: 0000000000000000 RBX: ffff8801ceefe500 RCX: ffffc90003ca3000
RDX: ffff8801902e7ab0 RSI: ffff8801ceefe500 RDI: ffff8801aaf3a540
RBP: ffff8801902e7700 R08: ffff8801b465e180 R09: ffffed003b5c46d6
R10: 0000000000000003 R11: 0000000000000000 R12: ffff8801c1fdccc0
R13: ffff8801aaf3a540 R14: ffff8801902e7ab0 R15: 0000000000000718
FS: 00007fdcc3438700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001b14a0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
inet_sendmsg+0x19f/0x690 net/ipv4/af_inet.c:798
sock_poll+0x1d1/0x710 net/socket.c:1168
vfs_poll+0x77/0x2a0 fs/select.c:40
do_pollfd fs/select.c:848 [inline]
do_poll fs/select.c:896 [inline]
do_sys_poll+0x6fd/0x1100 fs/select.c:990
sock_sendmsg_nosec net/socket.c:645 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:655
___sys_sendmsg+0x805/0x940 net/socket.c:2161
__sys_sendmsg+0x115/0x270 net/socket.c:2199
__do_sys_sendmsg net/socket.c:2208 [inline]
__se_sys_sendmsg net/socket.c:2206 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2206
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:290
__do_sys_poll fs/select.c:1048 [inline]
__se_sys_poll fs/select.c:1036 [inline]
__x64_sys_poll+0x189/0x510 fs/select.c:1036
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455b29
Code:
1d
ba
entry_SYSCALL_64_after_hwframe+0x49/0xbe
fb
RIP: 0033:0x455b29
ff
Code:
c3
1d
66
ba
2e
fb
0f
ff
1f
c3
84 00
66
00
2e
00
0f
00
1f
00
84
66
00
90
00
48
00
89 f8
00
48
00
89
66
f7
90
48
48
89
89
d6
f8
48
48
89
89
ca
f7
4d
48
89
89
c2
d6
4d
48
89
89
c8
ca
4c
4d
8b
89
4c
c2
24
4d
08
89
0f
c8
05
4c
<48>
8b
3d
4c
01
24
f0
08
ff
0f
ff
05
0f
<48>
83
3d
eb
01
b9
f0
fb
ff
ff
ff
c3
0f
66
83
2e
eb
0f
b9
1f
fb
84
ff
00
c3
00
66
00
2e
00
0f
1f
RSP: 002b:00007f20ae79ec68 EFLAGS: 00000246
84
ORIG_RAX: 000000000000002e
00
RAX: ffffffffffffffda RBX: 00007f20ae79f6d4 RCX: 0000000000455b29
00
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000013
00
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
00
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000004c0b1a R14: 00000000004d04d8 R15: 0000000000000019
RSP: 002b:00007fdcc3437c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000007
RAX: ffffffffffffffda RBX: 00007fdcc34386d4 RCX: 0000000000455b29
IPVS: ftp: loaded support on port[0] = 21
RDX: 0000000000010000 RSI: 0000000000000003 RDI: 0000000020000000
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004c05f4 R14: 00000000004cfae8 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
(ftrace buffer empty)
CR2: 0000000000000000
---[ end trace b5a7fbc338665122 ]---
RIP: 0010: (null)
IPVS: ftp: loaded support on port[0] = 21
Code: Bad RIP value.
RSP: 0018:ffff8801902e76d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8801ceefe500 RCX: ffffc90003ca3000
RDX: ffff8801902e7ab0 RSI: ffff8801ceefe500 RDI: ffff8801aaf3a540
RBP: ffff8801902e7700 R08: ffff8801b465e180 R09: ffffed003b5c46d6
R10: 0000000000000003 R11: 0000000000000000 R12: ffff8801c1fdccc0
R13: ffff8801aaf3a540 R14: ffff8801902e7ab0 R15: 0000000000000718
FS: 00007fdcc3438700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001b14a0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400