[ 46.190655][ T26] audit: type=1800 audit(1572909009.835:26): pid=7887 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.221543][ T26] audit: type=1800 audit(1572909009.835:27): pid=7887 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 46.259004][ T26] audit: type=1800 audit(1572909009.835:28): pid=7887 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 47.308572][ T26] audit: type=1800 audit(1572909010.995:29): pid=7887 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts. 2019/11/04 23:10:22 parsed 1 programs 2019/11/04 23:10:24 executed programs: 0 syzkaller login: [ 60.674157][ T8053] IPVS: ftp: loaded support on port[0] = 21 [ 60.722920][ T8053] chnl_net:caif_netlink_parms(): no params data found [ 60.747549][ T8053] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.755739][ T8053] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.763520][ T8053] device bridge_slave_0 entered promiscuous mode [ 60.771224][ T8053] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.778363][ T8053] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.785891][ T8053] device bridge_slave_1 entered promiscuous mode [ 60.800477][ T8053] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.811079][ T8053] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.829022][ T8053] team0: Port device team_slave_0 added [ 60.835847][ T8053] team0: Port device team_slave_1 added [ 60.885466][ T8053] device hsr_slave_0 entered promiscuous mode [ 60.923618][ T8053] device hsr_slave_1 entered promiscuous mode [ 61.016939][ T8053] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.024158][ T8053] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.031927][ T8053] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.039053][ T8053] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.122091][ T8053] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.158509][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.184619][ T2836] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.204880][ T2836] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.244032][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.267791][ T8053] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.287709][ T2836] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.314562][ T2836] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.321663][ T2836] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.384270][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.392690][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.399806][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.434009][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.450501][ T8053] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.484979][ T8053] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.516474][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.541669][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.552156][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.561449][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.570481][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.584356][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.591744][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.602327][ T8053] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.734245][ T8092] kasan: CONFIG_KASAN_INLINE enabled [ 61.739656][ T8092] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 61.747864][ T8092] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 61.754794][ T8092] CPU: 1 PID: 8092 Comm: syz-executor.0 Not tainted 5.4.0-rc6 #0 [ 61.762517][ T8092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.772598][ T8092] RIP: 0010:j1939_netdev_notify+0x10a/0x2c0 [ 61.778478][ T8092] Code: 88 05 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 36 95 fc fa bb 28 60 00 00 49 03 1c 24 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 17 95 fc fa 4c 8b 2b 4d 85 ed 0f [ 61.798075][ T8092] RSP: 0018:ffff8880a58579d0 EFLAGS: 00010206 [ 61.804137][ T8092] RAX: 0000000000000c05 RBX: 0000000000006028 RCX: 0000000000000000 [ 61.812101][ T8092] RDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000118 [ 61.820069][ T8092] RBP: ffff8880a5857a00 R08: ffffffff86afeeb1 R09: ffffed1014b0af2f [ 61.828037][ T8092] R10: ffffed1014b0af2f R11: 0000000000000000 R12: ffff8880a5a90588 [ 61.836003][ T8092] R13: dffffc0000000000 R14: ffff8880a5a9023c R15: 1ffff11014b52047 [ 61.843975][ T8092] FS: 0000000001356940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 61.852898][ T8092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.859475][ T8092] CR2: 00007f1d28a0616b CR3: 0000000099ed7000 CR4: 00000000001406e0 [ 61.867442][ T8092] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.875409][ T8092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.883366][ T8092] Call Trace: [ 61.886651][ T8092] raw_notifier_call_chain+0xec/0x190 [ 61.892021][ T8092] rollback_registered_many+0xbd6/0x11c0 [ 61.897657][ T8092] unregister_netdevice_queue+0x2ce/0x480 [ 61.903375][ T8092] unregister_netdev+0x1c/0x30 [ 61.908125][ T8092] slip_close+0x160/0x190 [ 61.912430][ T8092] ? slip_open+0xe30/0xe30 [ 61.916830][ T8092] tty_ldisc_close+0x126/0x180 [ 61.921563][ T8092] tty_ldisc_release+0x248/0x5a0 [ 61.926588][ T8092] tty_release_struct+0x2a/0xe0 [ 61.931412][ T8092] tty_release+0xce9/0xfa0 [ 61.935803][ T8092] ? tty_release_struct+0xe0/0xe0 [ 61.940799][ T8092] __fput+0x2e4/0x740 [ 61.944754][ T8092] ____fput+0x15/0x20 [ 61.948710][ T8092] task_work_run+0x17e/0x1b0 [ 61.953291][ T8092] prepare_exit_to_usermode+0x459/0x580 [ 61.958863][ T8092] syscall_return_slowpath+0x113/0x4a0 [ 61.964294][ T8092] do_syscall_64+0x11f/0x1c0 [ 61.968856][ T8092] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.974782][ T8092] RIP: 0033:0x413d90 [ 61.978647][ T8092] Code: 01 f0 ff ff 0f 83 30 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 7d 42 66 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 61.998231][ T8092] RSP: 002b:00007ffec2dd6688 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 62.006637][ T8092] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000413d90 [ 62.014585][ T8092] RDX: 0000001b33020000 RSI: 0000000000000000 RDI: 0000000000000003 [ 62.022627][ T8092] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 62.030571][ T8092] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20 [ 62.038601][ T8092] R13: 0000000000000003 R14: 00000000007601c8 R15: 000000000075bf2c [ 62.046551][ T8092] Modules linked in: [ 62.051678][ T8092] ---[ end trace 8207e28d10fcf54c ]--- [ 62.057155][ T8092] RIP: 0010:j1939_netdev_notify+0x10a/0x2c0 [ 62.063031][ T8092] Code: 88 05 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 36 95 fc fa bb 28 60 00 00 49 03 1c 24 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 17 95 fc fa 4c 8b 2b 4d 85 ed 0f [ 62.082658][ T8092] RSP: 0018:ffff8880a58579d0 EFLAGS: 00010206 [ 62.088734][ T8092] RAX: 0000000000000c05 RBX: 0000000000006028 RCX: 0000000000000000 [ 62.096707][ T8092] RDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000118 [ 62.104679][ T8092] RBP: ffff8880a5857a00 R08: ffffffff86afeeb1 R09: ffffed1014b0af2f [ 62.112624][ T8092] R10: ffffed1014b0af2f R11: 0000000000000000 R12: ffff8880a5a90588 [ 62.120596][ T8092] R13: dffffc0000000000 R14: ffff8880a5a9023c R15: 1ffff11014b52047 [ 62.128671][ T8092] FS: 0000000001356940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 62.137600][ T8092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.144187][ T8092] CR2: 00007f1d28a0616b CR3: 0000000099ed7000 CR4: 00000000001406e0 [ 62.152136][ T8092] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.160114][ T8092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.168090][ T8092] Kernel panic - not syncing: Fatal exception [ 62.175483][ T8092] Kernel Offset: disabled [ 62.179799][ T8092] Rebooting in 86400 seconds..