[ 39.915379][ T26] audit: type=1800 audit(1573289491.415:26): pid=7702 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.953245][ T26] audit: type=1800 audit(1573289491.415:27): pid=7702 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.973036][ T26] audit: type=1800 audit(1573289491.415:28): pid=7702 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. [ 40.713786][ T26] audit: type=1800 audit(1573289492.235:29): pid=7702 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 '10.128.0.227' (ECDSA) to the list of known hosts. 2019/11/09 08:51:58 parsed 1 programs 2019/11/09 08:51:59 executed programs: 0 syzkaller login: [ 68.445813][ T7867] IPVS: ftp: loaded support on port[0] = 21 [ 68.495777][ T7867] chnl_net:caif_netlink_parms(): no params data found [ 68.519535][ T7867] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.527295][ T7867] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.534954][ T7867] device bridge_slave_0 entered promiscuous mode [ 68.543062][ T7867] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.550187][ T7867] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.558306][ T7867] device bridge_slave_1 entered promiscuous mode [ 68.572497][ T7867] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.583165][ T7867] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.600648][ T7867] team0: Port device team_slave_0 added [ 68.607510][ T7867] team0: Port device team_slave_1 added [ 68.657689][ T7867] device hsr_slave_0 entered promiscuous mode [ 68.705577][ T7867] device hsr_slave_1 entered promiscuous mode [ 68.826263][ T7867] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.833480][ T7867] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.841230][ T7867] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.848329][ T7867] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.988755][ T7867] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.028325][ T94] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.065929][ T94] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.086339][ T94] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.125470][ T94] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.170851][ T7867] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.201832][ T94] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.225991][ T94] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.233089][ T94] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.278408][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.291465][ T3015] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.298598][ T3015] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.327179][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.344380][ T7867] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.355643][ T7867] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.369545][ T94] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.377690][ T94] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.386031][ T94] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.394564][ T94] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.404355][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.417890][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.425856][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.438023][ T7867] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.558356][ T7906] kasan: CONFIG_KASAN_INLINE enabled [ 69.563782][ T7906] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 69.572004][ T7906] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 69.578935][ T7906] CPU: 0 PID: 7906 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 69.586835][ T7906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.597012][ T7906] RIP: 0010:j1939_netdev_notify+0x10a/0x2c0 [ 69.602905][ T7906] Code: 88 05 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 d6 83 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 b7 83 fc fa 4c 8b 2b 4d 85 ed 0f [ 69.622506][ T7906] RSP: 0018:ffff8880a04c79d0 EFLAGS: 00010206 [ 69.628570][ T7906] RAX: 0000000000000c05 RBX: 0000000000006028 RCX: 0000000000000000 [ 69.636566][ T7906] RDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000118 [ 69.644543][ T7906] RBP: ffff8880a04c7a00 R08: ffffffff86b00eb1 R09: ffffed1014098f2f [ 69.652516][ T7906] R10: ffffed1014098f2f R11: 0000000000000000 R12: ffff88809c6cc588 [ 69.660485][ T7906] R13: dffffc0000000000 R14: ffff88809c6cc23c R15: 1ffff110138d9847 [ 69.668459][ T7906] FS: 00000000010ef940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 69.677393][ T7906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.683976][ T7906] CR2: 00007ff8af924518 CR3: 000000008cfb1000 CR4: 00000000001406f0 [ 69.691952][ T7906] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.699922][ T7906] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.707889][ T7906] Call Trace: [ 69.711185][ T7906] raw_notifier_call_chain+0xec/0x190 [ 69.716562][ T7906] rollback_registered_many+0xbd6/0x11c0 [ 69.722204][ T7906] unregister_netdevice_queue+0x2ce/0x480 [ 69.727926][ T7906] unregister_netdev+0x1c/0x30 [ 69.732691][ T7906] slip_close+0x160/0x190 [ 69.737017][ T7906] ? slip_open+0xe30/0xe30 [ 69.741426][ T7906] tty_ldisc_close+0x126/0x180 [ 69.746169][ T7906] tty_ldisc_release+0x248/0x5a0 [ 69.751082][ T7906] tty_release_struct+0x2a/0xe0 [ 69.755925][ T7906] tty_release+0xce9/0xfa0 [ 69.760315][ T7906] ? tty_release_struct+0xe0/0xe0 [ 69.765315][ T7906] __fput+0x2e4/0x740 [ 69.769273][ T7906] ____fput+0x15/0x20 [ 69.773280][ T7906] task_work_run+0x17e/0x1b0 [ 69.777850][ T7906] prepare_exit_to_usermode+0x459/0x580 [ 69.783604][ T7906] syscall_return_slowpath+0x113/0x4a0 [ 69.789094][ T7906] do_syscall_64+0x11f/0x1c0 [ 69.793662][ T7906] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.799529][ T7906] RIP: 0033:0x413d90 [ 69.803441][ T7906] 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 [ 69.823028][ T7906] RSP: 002b:00007ffc71fc2218 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 69.831418][ T7906] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000413d90 [ 69.839367][ T7906] RDX: 0000001b2f620000 RSI: 0000000000000000 RDI: 0000000000000004 [ 69.847357][ T7906] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 69.855310][ T7906] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20 [ 69.863262][ T7906] R13: 0000000000000003 R14: 00000000007602f8 R15: 000000000075bf2c [ 69.871307][ T7906] Modules linked in: [ 69.875438][ T7906] ---[ end trace 947395533d2df441 ]--- [ 69.880895][ T7906] RIP: 0010:j1939_netdev_notify+0x10a/0x2c0 [ 69.886825][ T7906] Code: 88 05 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 d6 83 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 b7 83 fc fa 4c 8b 2b 4d 85 ed 0f [ 69.906585][ T7906] RSP: 0018:ffff8880a04c79d0 EFLAGS: 00010206 [ 69.912630][ T7906] RAX: 0000000000000c05 RBX: 0000000000006028 RCX: 0000000000000000 [ 69.920616][ T7906] RDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000118 [ 69.928606][ T7906] RBP: ffff8880a04c7a00 R08: ffffffff86b00eb1 R09: ffffed1014098f2f [ 69.936587][ T7906] R10: ffffed1014098f2f R11: 0000000000000000 R12: ffff88809c6cc588 [ 69.944547][ T7906] R13: dffffc0000000000 R14: ffff88809c6cc23c R15: 1ffff110138d9847 [ 69.952577][ T7906] FS: 00000000010ef940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 69.961521][ T7906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.968115][ T7906] CR2: 00007ff8af924518 CR3: 000000008cfb1000 CR4: 00000000001406f0 [ 69.976104][ T7906] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.984050][ T7906] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.992033][ T7906] Kernel panic - not syncing: Fatal exception [ 69.999366][ T7906] Kernel Offset: disabled [ 70.003703][ T7906] Rebooting in 86400 seconds..