IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
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
CPU: 1 PID: 7765 Comm: syz-executor311 Not tainted 4.19.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dequeue_head net/sched/sch_fq_codel.c:126 [inline]
RIP: 0010:fq_codel_drop net/sched/sch_fq_codel.c:174 [inline]
RIP: 0010:fq_codel_enqueue+0x8ad/0x1100 net/sched/sch_fq_codel.c:236
Code: d9 0c 8f fb 45 39 ec 0f 83 cb 00 00 00 e8 db 0b 8f fb 48 8b 44 24 10 80 38 00 0f 85 69 06 00 00 49 8b 07 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3d 06 00 00 48 8b 10 48 8d 78 28 49 89 17 48
RSP: 0018:ffff888095a976d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff85daa505
RDX: 0000000000000000 RSI: ffffffff85daa5a5 RDI: 0000000000000004
RBP: ffff888095a97890 R08: ffffffff8ad38058 R09: 0000000000000400
R10: 0000000000000004 R11: ffffffff8ad3805b R12: 0000000000000400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888082000b40
FS:  00007f2eb9403700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0dca042070 CR3: 00000000904e1000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __dev_xmit_skb net/core/dev.c:3494 [inline]
 __dev_queue_xmit+0x140a/0x2e00 net/core/dev.c:3807
 __netlink_deliver_tap_skb net/netlink/af_netlink.c:303 [inline]
 __netlink_deliver_tap net/netlink/af_netlink.c:321 [inline]
 netlink_deliver_tap+0x8fb/0xb00 net/netlink/af_netlink.c:334
 netlink_deliver_tap_kernel net/netlink/af_netlink.c:343 [inline]
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x545/0x690 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:632
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115
 __sys_sendmsg net/socket.c:2153 [inline]
 __do_sys_sendmsg net/socket.c:2162 [inline]
 __se_sys_sendmsg net/socket.c:2160 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44a429
Code: e8 ac e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 cb 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2eb9402ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000006dfc58 RCX: 000000000044a429
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 00000000006dfc50 R08: 00007f2eb9403700 R09: 0000000000000000
R10: 00007f2eb9403700 R11: 0000000000000246 R12: 00000000006dfc5c
R13: 00007ffd7ef1a8ff R14: 00007f2eb94039c0 R15: 0000000000000001
Modules linked in:
---[ end trace c441ce1112828311 ]---
RIP: 0010:dequeue_head net/sched/sch_fq_codel.c:126 [inline]
RIP: 0010:fq_codel_drop net/sched/sch_fq_codel.c:174 [inline]
RIP: 0010:fq_codel_enqueue+0x8ad/0x1100 net/sched/sch_fq_codel.c:236
Code: d9 0c 8f fb 45 39 ec 0f 83 cb 00 00 00 e8 db 0b 8f fb 48 8b 44 24 10 80 38 00 0f 85 69 06 00 00 49 8b 07 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3d 06 00 00 48 8b 10 48 8d 78 28 49 89 17 48
RSP: 0018:ffff888095a976d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff85daa505
RDX: 0000000000000000 RSI: ffffffff85daa5a5 RDI: 0000000000000004
RBP: ffff888095a97890 R08: ffffffff8ad38058 R09: 0000000000000400
R10: 0000000000000004 R11: ffffffff8ad3805b R12: 0000000000000400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888082000b40
FS:  00007f2eb9403700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0dca042070 CR3: 00000000904e1000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400