[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 80.327760][ T23] audit: type=1800 audit(1579117792.467:25): pid=9345 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 80.360519][ T23] audit: type=1800 audit(1579117792.467:26): pid=9345 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 80.418864][ T23] audit: type=1800 audit(1579117792.467:27): pid=9345 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.23' (ECDSA) to the list of known hosts. syzkaller login: [ 108.123704][ T9501] IPVS: ftp: loaded support on port[0] = 21 [ 108.171479][ T9501] chnl_net:caif_netlink_parms(): no params data found [ 108.198104][ T9501] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.206176][ T9501] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.214234][ T9501] device bridge_slave_0 entered promiscuous mode [ 108.222859][ T9501] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.230002][ T9501] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.237954][ T9501] device bridge_slave_1 entered promiscuous mode [ 108.254889][ T9501] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.265685][ T9501] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.285141][ T9501] team0: Port device team_slave_0 added [ 108.292435][ T9501] team0: Port device team_slave_1 added [ 108.352463][ T9501] device hsr_slave_0 entered promiscuous mode [ 108.401089][ T9501] device hsr_slave_1 entered promiscuous mode [ 108.511250][ T9501] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.553021][ T9501] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.612592][ T9501] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.693167][ T9501] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.743161][ T9501] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.750332][ T9501] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.758239][ T9501] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.765510][ T9501] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.806707][ T9501] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.819703][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 108.830121][ T2797] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.840650][ T2797] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.848605][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 108.863081][ T9501] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.874266][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 108.883037][ T2828] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.890101][ T2828] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.901762][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 108.910069][ T2797] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.917194][ T2797] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.936596][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 108.945200][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 108.956527][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 108.972922][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 108.981719][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 108.993204][ T9501] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 109.010118][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 109.017995][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 109.029366][ T9501] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.047606][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready executing program [ 109.067232][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 109.077179][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 109.085755][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 109.096159][ T9501] device veth0_vlan entered promiscuous mode [ 109.108430][ T9501] device veth1_vlan entered promiscuous mode [ 109.126762][ T9501] FAULT_INJECTION: forcing a failure. [ 109.126762][ T9501] name failslab, interval 1, probability 0, space 0, times 1 [ 109.141648][ T9501] CPU: 0 PID: 9501 Comm: syz-executor779 Not tainted 5.5.0-rc5-syzkaller #0 [ 109.150802][ T9501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.160862][ T9501] Call Trace: [ 109.164152][ T9501] dump_stack+0x197/0x210 [ 109.168467][ T9501] should_fail.cold+0xa/0x15 [ 109.173498][ T9501] ? fault_create_debugfs_attr+0x180/0x180 [ 109.179341][ T9501] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 109.185855][ T9501] __should_failslab+0x121/0x190 [ 109.191154][ T9501] should_failslab+0x9/0x14 [ 109.195934][ T9501] kmem_cache_alloc_trace+0x4b/0x790 [ 109.201747][ T9501] nsim_fib6_rt_nh_add+0x51/0x2a0 [ 109.206762][ T9501] nsim_fib_event_nb+0x99f/0x2600 [ 109.211790][ T9501] ? __rhashtable_remove_fast.constprop.0+0x1060/0x1060 [ 109.218729][ T9501] ? call_fib_notifiers+0x140/0x2a0 [ 109.223916][ T9501] notifier_call_chain+0xc2/0x230 [ 109.228938][ T9501] __atomic_notifier_call_chain+0xa6/0x1a0 [ 109.234944][ T9501] atomic_notifier_call_chain+0x2e/0x40 [ 109.240470][ T9501] call_fib_notifiers+0x173/0x2a0 [ 109.245609][ T9501] call_fib6_notifiers+0x4b/0x60 [ 109.250757][ T9501] call_fib6_entry_notifiers+0xfb/0x150 [ 109.256288][ T9501] ? fib6_tables_seq_read+0x270/0x270 [ 109.261645][ T9501] fib6_add+0x20cd/0x3ec0 [ 109.266064][ T9501] ? do_raw_spin_lock+0x139/0x2f0 [ 109.271092][ T9501] __ip6_ins_rt+0x54/0x80 [ 109.275401][ T9501] ip6_ins_rt+0x96/0xd0 [ 109.279551][ T9501] ? ip6_dst_neigh_lookup+0x100/0x100 [ 109.284907][ T9501] ? do_raw_spin_unlock+0x181/0x270 [ 109.290090][ T9501] __ipv6_dev_ac_inc+0x76f/0xb20 [ 109.295009][ T9501] ipv6_sock_ac_join+0x4c1/0x790 [ 109.300972][ T9501] do_ipv6_setsockopt.isra.0+0x3908/0x4290 [ 109.306762][ T9501] ? ipv6_update_options+0x3b0/0x3b0 [ 109.312026][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.317029][ T9501] ? mark_lock+0xc2/0x1220 [ 109.321443][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.326444][ T9501] ? __lock_acquire+0x8a0/0x4a00 [ 109.331379][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.336406][ T9501] ? mark_lock+0xc2/0x1220 [ 109.340812][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.345821][ T9501] ? __lock_acquire+0x16f2/0x4a00 [ 109.350833][ T9501] ? lock_downgrade+0x920/0x920 [ 109.355713][ T9501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.361937][ T9501] ? _parse_integer+0x139/0x190 [ 109.366771][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.371775][ T9501] ? mark_lock+0xc2/0x1220 [ 109.376171][ T9501] ? _parse_integer+0x190/0x190 [ 109.381003][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.386003][ T9501] ? __lock_acquire+0x8a0/0x4a00 [ 109.390924][ T9501] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 109.396627][ T9501] ? ___might_sleep+0x163/0x2c0 [ 109.401459][ T9501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 109.407690][ T9501] ? aa_label_sk_perm+0x91/0xf0 [ 109.412533][ T9501] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 109.418162][ T9501] ? aa_sk_perm+0x346/0xaf0 [ 109.422650][ T9501] ? rcu_read_lock_held_common+0x130/0x130 [ 109.428476][ T9501] ? aa_af_perm+0x2a0/0x2a0 [ 109.432978][ T9501] ipv6_setsockopt+0xff/0x180 [ 109.437635][ T9501] ? ipv6_setsockopt+0xff/0x180 [ 109.442467][ T9501] udpv6_setsockopt+0x68/0xb0 [ 109.447123][ T9501] sock_common_setsockopt+0x94/0xd0 [ 109.452312][ T9501] __sys_setsockopt+0x261/0x4c0 [ 109.457350][ T9501] ? __sb_end_write+0x115/0x1a0 [ 109.462195][ T9501] ? sock_create_kern+0x50/0x50 [ 109.467152][ T9501] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 109.472606][ T9501] ? do_syscall_64+0x26/0x790 [ 109.477309][ T9501] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.483484][ T9501] ? do_syscall_64+0x26/0x790 [ 109.488173][ T9501] __x64_sys_setsockopt+0xbe/0x150 [ 109.493444][ T9501] do_syscall_64+0xfa/0x790 [ 109.498205][ T9501] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.504386][ T9501] RIP: 0033:0x4423c9 [ 109.508398][ T9501] 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 [ 109.528358][ T9501] RSP: 002b:00007fffb1939858 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 109.537239][ T9501] RAX: ffffffffffffffda RBX: 00007fffb19398b0 RCX: 00000000004423c9 [ 109.545347][ T9501] RDX: 000000000000001b RSI: 0000000000000029 RDI: 0000000000000003 [ 109.554114][ T9501] RBP: 0000000000000000 R08: 0000000000000014 R09: 0000000001bbbbbb [ 109.562263][ T9501] R10: 0000000020000080 R11: 0000000000000246 R12: ffffffffffffffff [ 109.570405][ T9501] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 109.578784][ T9501] BUG: unable to handle page fault for address: fffffffffffffff4 [ 109.586507][ T9501] #PF: supervisor read access in kernel mode [ 109.592664][ T9501] #PF: error_code(0x0000) - not-present page [ 109.598637][ T9501] PGD 9870067 P4D 9870067 PUD 9872067 PMD 0 [ 109.604608][ T9501] Oops: 0000 [#1] PREEMPT SMP KASAN [ 109.609791][ T9501] CPU: 0 PID: 9501 Comm: syz-executor779 Not tainted 5.5.0-rc5-syzkaller #0 [ 109.618737][ T9501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.628791][ T9501] RIP: 0010:rhashtable_jhash2+0x76/0x2c0 [ 109.634435][ T9501] Code: b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 30 02 00 00 49 8d 7e 04 <41> 8b 06 48 be 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 [ 109.654023][ T9501] RSP: 0018:ffffc90001d77190 EFLAGS: 00010246 [ 109.660072][ T9501] RAX: 0000000000000007 RBX: 00000000f754aefc RCX: dffffc0000000000 [ 109.668116][ T9501] RDX: 0000000000000000 RSI: ffffffff839ba7c8 RDI: fffffffffffffff8 [ 109.676073][ T9501] RBP: ffffc90001d771c0 R08: ffff88808bfe4240 R09: ffffed1015d0703d [ 109.684029][ T9501] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: 00000000f754aefc [ 109.691995][ T9501] R13: 00000000f754aefc R14: fffffffffffffff4 R15: 0000000000000007 [ 109.699963][ T9501] FS: 00000000023e0880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 109.708873][ T9501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.715454][ T9501] CR2: fffffffffffffff4 CR3: 00000000956a5000 CR4: 00000000001406f0 [ 109.723417][ T9501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.731398][ T9501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.739351][ T9501] Call Trace: [ 109.742631][ T9501] ? rhashtable_walk_start_check+0xe10/0xe10 [ 109.748600][ T9501] __rhashtable_insert_fast.constprop.0+0xe15/0x1180 [ 109.755261][ T9501] ? rhashtable_replace_fast.isra.0.constprop.0+0xfa0/0xfa0 [ 109.762527][ T9501] ? nsim_fib6_rt_nh_add+0x2a0/0x2a0 [ 109.767799][ T9501] ? trace_hardirqs_on+0x67/0x240 [ 109.772808][ T9501] nsim_fib_event_nb+0x1b16/0x2600 [ 109.777917][ T9501] ? __rhashtable_remove_fast.constprop.0+0x1060/0x1060 [ 109.784856][ T9501] notifier_call_chain+0xc2/0x230 [ 109.789886][ T9501] __atomic_notifier_call_chain+0xa6/0x1a0 [ 109.795681][ T9501] atomic_notifier_call_chain+0x2e/0x40 [ 109.801246][ T9501] call_fib_notifiers+0x173/0x2a0 [ 109.806271][ T9501] call_fib6_notifiers+0x4b/0x60 [ 109.811202][ T9501] call_fib6_entry_notifiers+0xfb/0x150 [ 109.816735][ T9501] ? fib6_tables_seq_read+0x270/0x270 [ 109.822097][ T9501] fib6_add+0x20cd/0x3ec0 [ 109.826418][ T9501] ? do_raw_spin_lock+0x139/0x2f0 [ 109.831473][ T9501] __ip6_ins_rt+0x54/0x80 [ 109.835827][ T9501] ip6_ins_rt+0x96/0xd0 [ 109.839975][ T9501] ? ip6_dst_neigh_lookup+0x100/0x100 [ 109.845339][ T9501] ? do_raw_spin_unlock+0x181/0x270 [ 109.850532][ T9501] __ipv6_dev_ac_inc+0x76f/0xb20 [ 109.855725][ T9501] ipv6_sock_ac_join+0x4c1/0x790 [ 109.860654][ T9501] do_ipv6_setsockopt.isra.0+0x3908/0x4290 [ 109.866460][ T9501] ? ipv6_update_options+0x3b0/0x3b0 [ 109.871729][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.876740][ T9501] ? mark_lock+0xc2/0x1220 [ 109.881142][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.886164][ T9501] ? __lock_acquire+0x8a0/0x4a00 [ 109.891714][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.896723][ T9501] ? mark_lock+0xc2/0x1220 [ 109.901223][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.906237][ T9501] ? __lock_acquire+0x16f2/0x4a00 [ 109.911260][ T9501] ? lock_downgrade+0x920/0x920 [ 109.916102][ T9501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.922334][ T9501] ? _parse_integer+0x139/0x190 [ 109.927185][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.932192][ T9501] ? mark_lock+0xc2/0x1220 [ 109.936596][ T9501] ? _parse_integer+0x190/0x190 [ 109.941434][ T9501] ? __kasan_check_read+0x11/0x20 [ 109.946441][ T9501] ? __lock_acquire+0x8a0/0x4a00 [ 109.951387][ T9501] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 109.957115][ T9501] ? ___might_sleep+0x163/0x2c0 [ 109.961985][ T9501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 109.968464][ T9501] ? aa_label_sk_perm+0x91/0xf0 [ 109.973341][ T9501] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 109.978983][ T9501] ? aa_sk_perm+0x346/0xaf0 [ 109.983671][ T9501] ? rcu_read_lock_held_common+0x130/0x130 [ 109.989539][ T9501] ? aa_af_perm+0x2a0/0x2a0 [ 109.994345][ T9501] ipv6_setsockopt+0xff/0x180 [ 109.999244][ T9501] ? ipv6_setsockopt+0xff/0x180 [ 110.004206][ T9501] udpv6_setsockopt+0x68/0xb0 [ 110.008992][ T9501] sock_common_setsockopt+0x94/0xd0 [ 110.014684][ T9501] __sys_setsockopt+0x261/0x4c0 [ 110.019723][ T9501] ? __sb_end_write+0x115/0x1a0 [ 110.024752][ T9501] ? sock_create_kern+0x50/0x50 [ 110.029603][ T9501] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 110.035227][ T9501] ? do_syscall_64+0x26/0x790 [ 110.039894][ T9501] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.046044][ T9501] ? do_syscall_64+0x26/0x790 [ 110.050885][ T9501] __x64_sys_setsockopt+0xbe/0x150 [ 110.056018][ T9501] do_syscall_64+0xfa/0x790 [ 110.060601][ T9501] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.066651][ T9501] RIP: 0033:0x4423c9 [ 110.070627][ T9501] 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 [ 110.090777][ T9501] RSP: 002b:00007fffb1939858 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 110.099211][ T9501] RAX: ffffffffffffffda RBX: 00007fffb19398b0 RCX: 00000000004423c9 [ 110.107182][ T9501] RDX: 000000000000001b RSI: 0000000000000029 RDI: 0000000000000003 [ 110.115415][ T9501] RBP: 0000000000000000 R08: 0000000000000014 R09: 0000000001bbbbbb [ 110.123383][ T9501] R10: 0000000020000080 R11: 0000000000000246 R12: ffffffffffffffff [ 110.131343][ T9501] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 110.139318][ T9501] Modules linked in: [ 110.143197][ T9501] CR2: fffffffffffffff4 [ 110.147341][ T9501] ---[ end trace 6e6eeaa1d4098b10 ]--- [ 110.152793][ T9501] RIP: 0010:rhashtable_jhash2+0x76/0x2c0 [ 110.158413][ T9501] Code: b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 30 02 00 00 49 8d 7e 04 <41> 8b 06 48 be 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 [ 110.178026][ T9501] RSP: 0018:ffffc90001d77190 EFLAGS: 00010246 [ 110.184092][ T9501] RAX: 0000000000000007 RBX: 00000000f754aefc RCX: dffffc0000000000 [ 110.192059][ T9501] RDX: 0000000000000000 RSI: ffffffff839ba7c8 RDI: fffffffffffffff8 [ 110.200022][ T9501] RBP: ffffc90001d771c0 R08: ffff88808bfe4240 R09: ffffed1015d0703d [ 110.208068][ T9501] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: 00000000f754aefc [ 110.216032][ T9501] R13: 00000000f754aefc R14: fffffffffffffff4 R15: 0000000000000007 [ 110.223995][ T9501] FS: 00000000023e0880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 110.232906][ T9501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.239490][ T9501] CR2: fffffffffffffff4 CR3: 00000000956a5000 CR4: 00000000001406f0 [ 110.247465][ T9501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 110.255425][ T9501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 110.263387][ T9501] Kernel panic - not syncing: Fatal exception in interrupt [ 110.271763][ T9501] Kernel Offset: disabled [ 110.276086][ T9501] Rebooting in 86400 seconds..