[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 63.166782][ T9680] sshd (9680) used greatest stack depth: 23480 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 63.395108][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 63.395117][ T26] audit: type=1800 audit(1567861236.188:29): pid=9612 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 63.421286][ T26] audit: type=1800 audit(1567861236.188:30): pid=9612 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.9' (ECDSA) to the list of known hosts. syzkaller login: [ 69.980926][ T9770] IPVS: ftp: loaded support on port[0] = 21 [ 70.022958][ T9770] chnl_net:caif_netlink_parms(): no params data found [ 70.045005][ T9770] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.052369][ T9770] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.060354][ T9770] device bridge_slave_0 entered promiscuous mode [ 70.067913][ T9770] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.075059][ T9770] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.082569][ T9770] device bridge_slave_1 entered promiscuous mode [ 70.097647][ T9770] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.107867][ T9770] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.123527][ T9770] team0: Port device team_slave_0 added [ 70.130477][ T9770] team0: Port device team_slave_1 added [ 70.186507][ T9770] device hsr_slave_0 entered promiscuous mode [ 70.254909][ T9770] device hsr_slave_1 entered promiscuous mode [ 70.319675][ T9770] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.326986][ T9770] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.334267][ T9770] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.341351][ T9770] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.367367][ T9770] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.378566][ T3013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.397048][ T3013] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.404817][ T3013] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.412470][ T3013] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.423004][ T9770] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.432529][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.441530][ T3519] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.448745][ T3519] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.465208][ T3013] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.473659][ T3013] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.480908][ T3013] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.489202][ T3013] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.497780][ T3013] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.506548][ T3013] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 70.516627][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.527652][ T9770] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.538901][ T9770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.547531][ T3519] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.561941][ T9770] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.590058][ T9770] kasan: CONFIG_KASAN_INLINE enabled [ 70.596072][ T9770] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 70.604244][ T9770] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 70.611168][ T9770] CPU: 0 PID: 9770 Comm: syz-executor019 Not tainted 5.3.0-rc7+ #0 [ 70.619040][ T9770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.629505][ T9770] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 70.635929][ T9770] Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d [ 70.655534][ T9770] RSP: 0018:ffff8880931b7450 EFLAGS: 00010246 [ 70.661663][ T9770] RAX: dffffc0000000000 RBX: ffff88808ca7fb00 RCX: ffffffff8159b2aa [ 70.672575][ T9770] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88808ca7fe68 [ 70.680547][ T9770] RBP: ffff8880931b7468 R08: 0000000000000004 R09: ffffed1012636e7d [ 70.688510][ T9770] R10: ffffed1012636e7c R11: 0000000000000003 R12: 0000000000000000 [ 70.696617][ T9770] R13: 0000000000000000 R14: ffff88808ca7fe60 R15: ffff88808ca7fdc0 [ 70.704813][ T9770] FS: 000055555580f880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 70.713726][ T9770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.720298][ T9770] CR2: 0000000020000610 CR3: 000000009005a000 CR4: 00000000001406f0 [ 70.728262][ T9770] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.736268][ T9770] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.744257][ T9770] Call Trace: [ 70.747578][ T9770] cbs_destroy+0x7d/0x2a0 [ 70.751943][ T9770] ? cbs_init+0x25d/0x450 [ 70.756265][ T9770] ? cbs_dequeue_soft+0x410/0x410 [ 70.761274][ T9770] qdisc_create+0xbc6/0x1210 [ 70.765980][ T9770] ? tc_get_qdisc+0xc10/0xc10 [ 70.770692][ T9770] ? __nla_parse+0x43/0x60 [ 70.775213][ T9770] tc_modify_qdisc+0x524/0x1c50 [ 70.780092][ T9770] ? qdisc_create+0x1210/0x1210 [ 70.784935][ T9770] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 70.790068][ T9770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 70.796293][ T9770] ? qdisc_create+0x1210/0x1210 [ 70.801126][ T9770] rtnetlink_rcv_msg+0x463/0xb00 [ 70.806314][ T9770] ? rtnetlink_put_metrics+0x580/0x580 [ 70.811788][ T9770] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 70.817059][ T9770] ? __copy_skb_header+0x250/0x550 [ 70.822192][ T9770] netlink_rcv_skb+0x177/0x450 [ 70.826947][ T9770] ? rtnetlink_put_metrics+0x580/0x580 [ 70.832395][ T9770] ? netlink_ack+0xb30/0xb30 [ 70.836973][ T9770] ? netlink_deliver_tap+0x254/0xbf0 [ 70.842261][ T9770] rtnetlink_rcv+0x1d/0x30 [ 70.846670][ T9770] netlink_unicast+0x531/0x710 [ 70.851417][ T9770] ? netlink_attachskb+0x7c0/0x7c0 [ 70.856518][ T9770] ? _copy_from_iter_full+0x25d/0x8a0 [ 70.861877][ T9770] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 70.867619][ T9770] ? __check_object_size+0x3d/0x437 [ 70.872800][ T9770] netlink_sendmsg+0x8a5/0xd60 [ 70.877553][ T9770] ? netlink_unicast+0x710/0x710 [ 70.882478][ T9770] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 70.888030][ T9770] ? apparmor_socket_sendmsg+0x2a/0x30 [ 70.893594][ T9770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.899822][ T9770] ? security_socket_sendmsg+0x8d/0xc0 [ 70.905322][ T9770] ? netlink_unicast+0x710/0x710 [ 70.910247][ T9770] sock_sendmsg+0xd7/0x130 [ 70.914661][ T9770] ___sys_sendmsg+0x803/0x920 [ 70.919338][ T9770] ? copy_msghdr_from_user+0x440/0x440 [ 70.924788][ T9770] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 70.931015][ T9770] ? tomoyo_path_number_perm+0x263/0x520 [ 70.936734][ T9770] ? sock_ioctl+0x489/0x780 [ 70.941397][ T9770] ? dlci_ioctl_set+0x40/0x40 [ 70.946071][ T9770] ? dlci_ioctl_set+0x40/0x40 [ 70.950889][ T9770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.957169][ T9770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.963408][ T9770] ? __fget_light+0x1a9/0x230 [ 70.968077][ T9770] ? __fdget+0x1b/0x20 [ 70.972134][ T9770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 70.978376][ T9770] __sys_sendmsg+0x105/0x1d0 [ 70.982953][ T9770] ? __sys_sendmsg_sock+0xd0/0xd0 [ 70.988002][ T9770] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 70.994059][ T9770] __x64_sys_sendmsg+0x78/0xb0 [ 70.998812][ T9770] do_syscall_64+0xfd/0x6a0 [ 71.003305][ T9770] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.009216][ T9770] RIP: 0033:0x441b59 [ 71.013133][ T9770] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.032843][ T9770] RSP: 002b:00007ffc30fba758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.041246][ T9770] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441b59 [ 71.049342][ T9770] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 71.057954][ T9770] RBP: 00007ffc30fba770 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 71.066572][ T9770] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 [ 71.074580][ T9770] R13: 00000000004030f0 R14: 0000000000000000 R15: 0000000000000000 [ 71.082549][ T9770] Modules linked in: [ 71.087015][ T9770] ---[ end trace ec2a4d990d1fbcaa ]--- [ 71.092627][ T9770] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 71.098800][ T9770] Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d [ 71.118552][ T9770] RSP: 0018:ffff8880931b7450 EFLAGS: 00010246 [ 71.124875][ T9770] RAX: dffffc0000000000 RBX: ffff88808ca7fb00 RCX: ffffffff8159b2aa [ 71.132969][ T9770] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88808ca7fe68 [ 71.140997][ T9770] RBP: ffff8880931b7468 R08: 0000000000000004 R09: ffffed1012636e7d [ 71.149045][ T9770] R10: ffffed1012636e7c R11: 0000000000000003 R12: 0000000000000000 [ 71.157045][ T9770] R13: 0000000000000000 R14: ffff88808ca7fe60 R15: ffff88808ca7fdc0 [ 71.165035][ T9770] FS: 000055555580f880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 71.174024][ T9770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.180628][ T9770] CR2: 0000000020000610 CR3: 000000009005a000 CR4: 00000000001406f0 [ 71.188737][ T9770] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.197087][ T9770] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.205190][ T9770] Kernel panic - not syncing: Fatal exception [ 71.212723][ T9770] Kernel Offset: disabled [ 71.217066][ T9770] Rebooting in 86400 seconds..