[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.176994][ T26] audit: type=1800 audit(1573268462.449:25): pid=8574 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.217884][ T26] audit: type=1800 audit(1573268462.459:26): pid=8574 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.262641][ T26] audit: type=1800 audit(1573268462.459:27): pid=8574 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 '10.128.0.251' (ECDSA) to the list of known hosts. 2019/11/09 03:01:15 parsed 1 programs 2019/11/09 03:01:16 executed programs: 0 syzkaller login: [ 69.500071][ T8742] IPVS: ftp: loaded support on port[0] = 21 [ 69.561970][ T8742] chnl_net:caif_netlink_parms(): no params data found [ 69.589690][ T8742] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.597198][ T8742] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.605380][ T8742] device bridge_slave_0 entered promiscuous mode [ 69.613455][ T8742] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.620642][ T8742] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.628758][ T8742] device bridge_slave_1 entered promiscuous mode [ 69.645240][ T8742] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.656170][ T8742] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.675596][ T8742] team0: Port device team_slave_0 added [ 69.683716][ T8742] team0: Port device team_slave_1 added [ 69.760265][ T8742] device hsr_slave_0 entered promiscuous mode [ 69.828525][ T8742] device hsr_slave_1 entered promiscuous mode [ 69.909023][ T8742] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.916272][ T8742] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.924216][ T8742] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.931317][ T8742] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.963025][ T8742] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.976804][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.997436][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.006101][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.015170][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.027222][ T8742] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.049673][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.059124][ T2919] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.066184][ T2919] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.082117][ T8744] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.090694][ T8744] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.097805][ T8744] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.109876][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.119246][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.131505][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.145151][ T8742] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.157067][ T8742] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.169175][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.178444][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.186940][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.204168][ T8742] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.212971][ T8744] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.221245][ T8744] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.319490][ T9439] kasan: CONFIG_KASAN_INLINE enabled [ 74.324812][ T9439] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 74.332961][ T9439] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 74.339886][ T9439] CPU: 1 PID: 9439 Comm: syz-executor.0 Not tainted 5.4.0-rc5+ #0 [ 74.347670][ T9439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.357740][ T9439] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 74.363351][ T9439] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 f5 06 8a 0f 84 5f ee ff [ 74.382940][ T9439] RSP: 0018:ffff888089307b48 EFLAGS: 00010006 [ 74.389001][ T9439] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.396949][ T9439] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 74.404901][ T9439] RBP: ffff888089307c60 R08: 0000000000000001 R09: 0000000000000001 [ 74.412848][ T9439] R10: fffffbfff138d978 R11: ffff888096436500 R12: 00000000000010c0 [ 74.420793][ T9439] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 74.428742][ T9439] FS: 00007fbd7e311700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 74.437642][ T9439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.444205][ T9439] CR2: 0000000000960004 CR3: 00000000a9352000 CR4: 00000000001406e0 [ 74.452587][ T9439] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.460553][ T9439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.468515][ T9439] Call Trace: [ 74.471786][ T9439] ? __kasan_check_read+0x11/0x20 [ 74.476786][ T9439] ? __lock_acquire+0x16f2/0x4a00 [ 74.481784][ T9439] ? rwlock_bug.part.0+0x90/0x90 [ 74.486693][ T9439] ? lock_acquire+0x190/0x410 [ 74.491345][ T9439] ? mark_held_locks+0xf0/0xf0 [ 74.496093][ T9439] lock_acquire+0x190/0x410 [ 74.500588][ T9439] ? j1939_jsk_del+0x32/0x240 [ 74.505254][ T9439] _raw_spin_lock_bh+0x33/0x50 [ 74.510005][ T9439] ? j1939_jsk_del+0x32/0x240 [ 74.514656][ T9439] j1939_jsk_del+0x32/0x240 [ 74.519152][ T9439] ? lock_sock_nested+0xe2/0x120 [ 74.524134][ T9439] j1939_sk_bind+0x2e2/0x8e0 [ 74.528726][ T9439] __sys_bind+0x239/0x290 [ 74.533057][ T9439] ? __ia32_sys_socketpair+0xf0/0xf0 [ 74.538325][ T9439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 74.544630][ T9439] ? put_timespec64+0xda/0x140 [ 74.549378][ T9439] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 74.554814][ T9439] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 74.560259][ T9439] ? do_syscall_64+0x26/0x760 [ 74.564911][ T9439] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.570966][ T9439] ? do_syscall_64+0x26/0x760 [ 74.575632][ T9439] __x64_sys_bind+0x73/0xb0 [ 74.580143][ T9439] do_syscall_64+0xfa/0x760 [ 74.584636][ T9439] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.590611][ T9439] RIP: 0033:0x45a219 [ 74.594594][ T9439] 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 [ 74.614284][ T9439] RSP: 002b:00007fbd7e310c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 74.622676][ T9439] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 74.630627][ T9439] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 74.638577][ T9439] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 74.646524][ T9439] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd7e3116d4 [ 74.654557][ T9439] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 74.662508][ T9439] Modules linked in: [ 74.666821][ T9439] ---[ end trace 9cbcdc85645582cf ]--- [ 74.672260][ T9439] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 74.677871][ T9439] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 f5 06 8a 0f 84 5f ee ff [ 74.697452][ T9439] RSP: 0018:ffff888089307b48 EFLAGS: 00010006 [ 74.703493][ T9439] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.711458][ T9439] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 74.719439][ T9439] RBP: ffff888089307c60 R08: 0000000000000001 R09: 0000000000000001 [ 74.727398][ T9439] R10: fffffbfff138d978 R11: ffff888096436500 R12: 00000000000010c0 [ 74.735370][ T9439] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 74.743459][ T9439] FS: 00007fbd7e311700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 74.752388][ T9439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.758950][ T9439] CR2: 0000000000960004 CR3: 00000000a9352000 CR4: 00000000001406e0 [ 74.766915][ T9439] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.774876][ T9439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.782824][ T9439] Kernel panic - not syncing: Fatal exception in interrupt [ 74.791416][ T9439] Kernel Offset: disabled [ 74.795739][ T9439] Rebooting in 86400 seconds..