[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.587748][ T26] audit: type=1800 audit(1573372983.497:25): pid=8785 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.624833][ T26] audit: type=1800 audit(1573372983.497:26): pid=8785 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.684885][ T26] audit: type=1800 audit(1573372983.497:27): pid=8785 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 '10.128.10.12' (ECDSA) to the list of known hosts. 2019/11/10 08:03:14 parsed 1 programs 2019/11/10 08:03:16 executed programs: 0 syzkaller login: [ 70.428110][ T8952] IPVS: ftp: loaded support on port[0] = 21 [ 70.492691][ T8952] chnl_net:caif_netlink_parms(): no params data found [ 70.522485][ T8952] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.530293][ T8952] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.538377][ T8952] device bridge_slave_0 entered promiscuous mode [ 70.547016][ T8952] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.554139][ T8952] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.562032][ T8952] device bridge_slave_1 entered promiscuous mode [ 70.580218][ T8952] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.591104][ T8952] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.611385][ T8952] team0: Port device team_slave_0 added [ 70.619378][ T8952] team0: Port device team_slave_1 added [ 70.687281][ T8952] device hsr_slave_0 entered promiscuous mode [ 70.735307][ T8952] device hsr_slave_1 entered promiscuous mode [ 70.842611][ T8952] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.849904][ T8952] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.857939][ T8952] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.865071][ T8952] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.038226][ T8952] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.075501][ T8954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.136780][ T8954] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.185106][ T8954] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.206557][ T8954] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.240437][ T8952] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.261726][ T8954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.275868][ T8954] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.282960][ T8954] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.326958][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.335972][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.343040][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.407356][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.416804][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.455616][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.467222][ T8952] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.507648][ T8952] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.529025][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.537781][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.575916][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.583346][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.600633][ T8952] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.349591][ T9089] kasan: CONFIG_KASAN_INLINE enabled [ 72.354905][ T9089] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 72.362948][ T9089] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 72.369902][ T9089] CPU: 1 PID: 9089 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 72.377681][ T9089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.387730][ T9089] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 72.393340][ T9089] 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 85 06 8a 0f 84 5f ee ff [ 72.412935][ T9089] RSP: 0018:ffff88808956fb48 EFLAGS: 00010006 [ 72.418987][ T9089] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.426940][ T9089] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.434892][ T9089] RBP: ffff88808956fc60 R08: 0000000000000001 R09: 0000000000000001 [ 72.442846][ T9089] R10: fffffbfff138cdb8 R11: ffff8880a3e70540 R12: 00000000000010c0 [ 72.450804][ T9089] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 72.458754][ T9089] FS: 00007fcc5379d700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 72.467663][ T9089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.474229][ T9089] CR2: 0000000000000000 CR3: 0000000090b8a000 CR4: 00000000001406e0 [ 72.482183][ T9089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.490133][ T9089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.498127][ T9089] Call Trace: [ 72.501402][ T9089] ? __kasan_check_read+0x11/0x20 [ 72.506407][ T9089] ? __lock_acquire+0x16f2/0x4a00 [ 72.511405][ T9089] ? rwlock_bug.part.0+0x90/0x90 [ 72.516315][ T9089] ? lock_acquire+0x190/0x410 [ 72.520985][ T9089] ? mark_held_locks+0xf0/0xf0 [ 72.525726][ T9089] lock_acquire+0x190/0x410 [ 72.530208][ T9089] ? j1939_jsk_del+0x32/0x240 [ 72.534864][ T9089] _raw_spin_lock_bh+0x33/0x50 [ 72.539601][ T9089] ? j1939_jsk_del+0x32/0x240 [ 72.544251][ T9089] j1939_jsk_del+0x32/0x240 [ 72.548729][ T9089] ? lock_sock_nested+0xe2/0x120 [ 72.553642][ T9089] j1939_sk_bind+0x2e2/0x8e0 [ 72.558211][ T9089] __sys_bind+0x239/0x290 [ 72.562517][ T9089] ? __ia32_sys_socketpair+0xf0/0xf0 [ 72.567780][ T9089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.573995][ T9089] ? put_timespec64+0xda/0x140 [ 72.578741][ T9089] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 72.584174][ T9089] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 72.589620][ T9089] ? do_syscall_64+0x26/0x760 [ 72.594273][ T9089] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.600314][ T9089] ? do_syscall_64+0x26/0x760 [ 72.604969][ T9089] __x64_sys_bind+0x73/0xb0 [ 72.609447][ T9089] do_syscall_64+0xfa/0x760 [ 72.613940][ T9089] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.619806][ T9089] RIP: 0033:0x45a219 [ 72.623678][ T9089] 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 [ 72.643255][ T9089] RSP: 002b:00007fcc5379cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 72.651652][ T9089] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 72.659687][ T9089] RDX: 0000000000000018 RSI: 0000000020000240 RDI: 0000000000000004 [ 72.667634][ T9089] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 72.675578][ T9089] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc5379d6d4 [ 72.683521][ T9089] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 72.691491][ T9089] Modules linked in: [ 72.695368][ T9089] ---[ end trace c2048bcfbb66d521 ]--- [ 72.700807][ T9089] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 72.706415][ T9089] 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 85 06 8a 0f 84 5f ee ff [ 72.726091][ T9089] RSP: 0018:ffff88808956fb48 EFLAGS: 00010006 [ 72.732130][ T9089] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.740075][ T9089] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.748023][ T9089] RBP: ffff88808956fc60 R08: 0000000000000001 R09: 0000000000000001 [ 72.755970][ T9089] R10: fffffbfff138cdb8 R11: ffff8880a3e70540 R12: 00000000000010c0 [ 72.763913][ T9089] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 72.771868][ T9089] FS: 00007fcc5379d700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 72.780787][ T9089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.787348][ T9089] CR2: 0000000000000000 CR3: 0000000090b8a000 CR4: 00000000001406e0 [ 72.795296][ T9089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.803243][ T9089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.811190][ T9089] Kernel panic - not syncing: Fatal exception in interrupt [ 72.819673][ T9089] Kernel Offset: disabled [ 72.823997][ T9089] Rebooting in 86400 seconds..