[ 40.450585][ T26] audit: type=1800 audit(1573126220.774:27): pid=7739 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.479968][ T26] audit: type=1800 audit(1573126220.774:28): pid=7739 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. [ 41.461854][ T26] audit: type=1800 audit(1573126221.864:29): pid=7739 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.483807][ T26] audit: type=1800 audit(1573126221.864:30): pid=7739 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.0.249' (ECDSA) to the list of known hosts. 2019/11/07 11:30:28 parsed 1 programs 2019/11/07 11:30:31 executed programs: 0 syzkaller login: [ 50.664558][ T7909] IPVS: ftp: loaded support on port[0] = 21 [ 50.714042][ T7909] chnl_net:caif_netlink_parms(): no params data found [ 50.739132][ T7909] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.747034][ T7909] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.754718][ T7909] device bridge_slave_0 entered promiscuous mode [ 50.762399][ T7909] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.769900][ T7909] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.778218][ T7909] device bridge_slave_1 entered promiscuous mode [ 50.792245][ T7909] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.802780][ T7909] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.819880][ T7909] team0: Port device team_slave_0 added [ 50.826978][ T7909] team0: Port device team_slave_1 added [ 50.886581][ T7909] device hsr_slave_0 entered promiscuous mode [ 50.935051][ T7909] device hsr_slave_1 entered promiscuous mode [ 51.048429][ T7909] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.055680][ T7909] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.063484][ T7909] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.070605][ T7909] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.187909][ T7909] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.210746][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.248281][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.295533][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.326331][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.352373][ T7909] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.376296][ T3513] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.387013][ T3513] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.394113][ T3513] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.448573][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.461783][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.468933][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.505480][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.524188][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.552168][ T7909] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.565952][ T7909] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.585983][ T3513] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.593575][ T3513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.602304][ T3513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.610964][ T3513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.623770][ T7909] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.631304][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.638802][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.626159][ T8137] kasan: CONFIG_KASAN_INLINE enabled [ 52.631484][ T8137] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 52.639535][ T8137] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 52.646448][ T8137] CPU: 0 PID: 8137 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 52.654217][ T8137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.664250][ T8137] RIP: 0010:__lock_acquire+0x86/0x1be0 [ 52.669685][ T8137] Code: 8a 04 30 84 c0 0f 85 66 12 00 00 83 3d 82 13 66 07 00 0f 84 91 12 00 00 83 3d 65 95 34 07 00 74 34 48 8b 44 24 10 48 c1 e8 03 <80> 3c 30 00 74 14 48 8b 7c 24 10 e8 ca 11 54 00 48 be 00 00 00 00 [ 52.689864][ T8137] RSP: 0018:ffff88808ccafb80 EFLAGS: 00010006 [ 52.695901][ T8137] RAX: 0000000000000218 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.703974][ T8137] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00000000000010c0 [ 52.711917][ T8137] RBP: ffff88808ccafcd8 R08: 0000000000000001 R09: 0000000000000000 [ 52.719863][ T8137] R10: fffffbfff117cc55 R11: 0000000000000000 R12: 0000000000000000 [ 52.727806][ T8137] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880964be180 [ 52.735755][ T8137] FS: 00007f133aae4700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 52.744659][ T8137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.751218][ T8137] CR2: 000000000075c000 CR3: 00000000a42cd000 CR4: 00000000001406f0 [ 52.759165][ T8137] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.767113][ T8137] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.775094][ T8137] Call Trace: [ 52.778396][ T8137] ? mark_lock+0x107/0x1650 [ 52.782906][ T8137] ? lock_sock_nested+0xa8/0x120 [ 52.787821][ T8137] ? trace_lock_acquire+0x159/0x1d0 [ 52.792993][ T8137] lock_acquire+0x158/0x250 [ 52.797504][ T8137] ? j1939_sk_bind+0x387/0xac0 [ 52.802238][ T8137] ? j1939_sk_bind+0x387/0xac0 [ 52.806977][ T8137] _raw_spin_lock_bh+0x34/0x50 [ 52.811713][ T8137] ? j1939_sk_bind+0x387/0xac0 [ 52.816451][ T8137] j1939_sk_bind+0x387/0xac0 [ 52.821015][ T8137] __sys_bind+0x2c2/0x3a0 [ 52.825317][ T8137] ? prepare_exit_to_usermode+0x1f7/0x580 [ 52.831008][ T8137] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 52.836789][ T8137] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 52.842217][ T8137] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 52.847913][ T8137] __x64_sys_bind+0x7a/0x90 [ 52.852394][ T8137] do_syscall_64+0xf7/0x1c0 [ 52.856907][ T8137] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.862784][ T8137] RIP: 0033:0x45a219 [ 52.866650][ T8137] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.886231][ T8137] RSP: 002b:00007f133aae3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 52.894641][ T8137] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 52.902598][ T8137] RDX: 0000000000000018 RSI: 0000000020000240 RDI: 0000000000000003 [ 52.910558][ T8137] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 52.918503][ T8137] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f133aae46d4 [ 52.926502][ T8137] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 52.934452][ T8137] Modules linked in: [ 52.938331][ T8137] ---[ end trace 8df08717ec9c7db6 ]--- [ 52.943767][ T8137] RIP: 0010:__lock_acquire+0x86/0x1be0 [ 52.949198][ T8137] Code: 8a 04 30 84 c0 0f 85 66 12 00 00 83 3d 82 13 66 07 00 0f 84 91 12 00 00 83 3d 65 95 34 07 00 74 34 48 8b 44 24 10 48 c1 e8 03 <80> 3c 30 00 74 14 48 8b 7c 24 10 e8 ca 11 54 00 48 be 00 00 00 00 [ 52.968780][ T8137] RSP: 0018:ffff88808ccafb80 EFLAGS: 00010006 [ 52.974859][ T8137] RAX: 0000000000000218 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.982811][ T8137] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00000000000010c0 [ 52.990780][ T8137] RBP: ffff88808ccafcd8 R08: 0000000000000001 R09: 0000000000000000 [ 52.998839][ T8137] R10: fffffbfff117cc55 R11: 0000000000000000 R12: 0000000000000000 [ 53.006794][ T8137] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880964be180 [ 53.014747][ T8137] FS: 00007f133aae4700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 53.023651][ T8137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.030208][ T8137] CR2: 000000000075c000 CR3: 00000000a42cd000 CR4: 00000000001406f0 [ 53.038175][ T8137] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.046136][ T8137] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.054085][ T8137] Kernel panic - not syncing: Fatal exception in interrupt [ 53.062615][ T8137] Kernel Offset: disabled [ 53.066936][ T8137] Rebooting in 86400 seconds..