audit: type=1400 audit(1569624024.196:36): avc: denied { map } for pid=6864 comm="syz-executor858" path="/root/syz-executor858514599" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
IPVS: ftp: loaded support on port[0] = 21
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: (null)
PGD 8bf1b067 P4D 8bf1b067 PUD 970e6067 PMD 0
Oops: 0010 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 6865 Comm: syz-executor858 Not tainted 4.14.146 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a0d606c0 task.stack: ffff8880a11c0000
RIP: 0010: (null)
RSP: 0018:ffff8880a11c75e8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffffff86f15e00 RCX: 0000000000000000
RDX: 1ffffffff0de2bc8 RSI: 0000000000000001 RDI: ffff8880a1342900
RBP: ffff8880a11c76c0 R08: 1ffff11014238ee8 R09: ffff8880a11c7740
R10: ffffed1014238ef3 R11: ffff8880a11c779f R12: ffff8880a11c7698
R13: ffff8880a1342900 R14: 0000000000000001 R15: 0000000000000000
FS: 00005555558b3880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000009483c000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
tc_bind_tclass+0x124/0x400 net/sched/sch_api.c:1697
tc_ctl_tclass+0x94a/0xa70 net/sched/sch_api.c:1831
rtnetlink_rcv_msg+0x3eb/0xb70 net/core/rtnetlink.c:4285
netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432
rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4297
netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline]
netlink_unicast+0x45d/0x640 net/netlink/af_netlink.c:1312
netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xce/0x110 net/socket.c:656
___sys_sendmsg+0x70a/0x840 net/socket.c:2062
__sys_sendmsg+0xb9/0x140 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x2d/0x50 net/socket.c:2103
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x440d89
RSP: 002b:00007ffdb98ee9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004a26d0 RCX: 0000000000440d89
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00000000004a26d0 R08: 0000000120080522 R09: 0000000120080522
R10: 0000000120080522 R11: 0000000000000246 R12: 0000000000402290
R13: 0000000000402320 R14: 0000000000000000 R15: 0000000000000000
Code: Bad RIP value.
RIP: (null) RSP: ffff8880a11c75e8
CR2: 0000000000000000
---[ end trace 4fc9d8266c79524b ]---