[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.134002][ T26] audit: type=1800 audit(1573087992.244:25): pid=8602 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.155183][ T26] audit: type=1800 audit(1573087992.254:26): pid=8602 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.189787][ T26] audit: type=1800 audit(1573087992.254:27): pid=8602 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 '10.128.0.25' (ECDSA) to the list of known hosts. 2019/11/07 00:53:29 parsed 1 programs 2019/11/07 00:53:32 executed programs: 0 syzkaller login: [ 77.020048][ T8769] IPVS: ftp: loaded support on port[0] = 21 [ 77.082545][ T8769] chnl_net:caif_netlink_parms(): no params data found [ 77.112302][ T8769] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.119913][ T8769] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.128268][ T8769] device bridge_slave_0 entered promiscuous mode [ 77.136252][ T8769] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.143539][ T8769] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.151249][ T8769] device bridge_slave_1 entered promiscuous mode [ 77.167755][ T8769] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.178709][ T8769] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.197819][ T8769] team0: Port device team_slave_0 added [ 77.204670][ T8769] team0: Port device team_slave_1 added [ 77.259586][ T8769] device hsr_slave_0 entered promiscuous mode [ 77.327347][ T8769] device hsr_slave_1 entered promiscuous mode [ 77.458490][ T8769] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.465733][ T8769] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.474040][ T8769] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.481163][ T8769] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.565551][ T8769] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.583344][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.630135][ T3014] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.667694][ T3014] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.699126][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.733457][ T8769] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.768157][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.776685][ T3014] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.783821][ T3014] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.859349][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.868679][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.875777][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.919468][ T8795] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.929320][ T8795] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.958949][ T8795] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.992284][ T8769] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.028512][ T8769] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.058213][ T8795] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.066228][ T8795] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.108105][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.115559][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.145249][ T8769] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.349466][ T8950] kasan: CONFIG_KASAN_INLINE enabled [ 79.354950][ T8950] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 79.363278][ T8950] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 79.370205][ T8950] CPU: 0 PID: 8950 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 79.377986][ T8950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.388085][ T8950] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 79.393702][ T8950] 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 [ 79.413396][ T8950] RSP: 0018:ffff888089befb38 EFLAGS: 00010006 [ 79.419566][ T8950] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.427536][ T8950] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 79.435494][ T8950] RBP: ffff888089befc50 R08: 0000000000000001 R09: 0000000000000001 [ 79.443541][ T8950] R10: fffffbfff138cd40 R11: ffff888092a6c680 R12: 00000000000010c0 [ 79.451511][ T8950] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 79.459989][ T8950] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f7f50b40 [ 79.469215][ T8950] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 79.476073][ T8950] CR2: 00007f57497d7000 CR3: 00000000a4c05000 CR4: 00000000001406f0 [ 79.484038][ T8950] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.492372][ T8950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.500338][ T8950] Call Trace: [ 79.503640][ T8950] ? __kasan_check_read+0x11/0x20 [ 79.508670][ T8950] ? __lock_acquire+0x16f2/0x4a00 [ 79.513682][ T8950] ? rwlock_bug.part.0+0x90/0x90 [ 79.518619][ T8950] ? lock_acquire+0x190/0x410 [ 79.523278][ T8950] ? mark_held_locks+0xf0/0xf0 [ 79.528021][ T8950] lock_acquire+0x190/0x410 [ 79.532504][ T8950] ? j1939_jsk_del+0x32/0x240 [ 79.537185][ T8950] _raw_spin_lock_bh+0x33/0x50 [ 79.542185][ T8950] ? j1939_jsk_del+0x32/0x240 [ 79.546880][ T8950] j1939_jsk_del+0x32/0x240 [ 79.551379][ T8950] ? lock_sock_nested+0xe2/0x120 [ 79.556324][ T8950] j1939_sk_bind+0x2e2/0x8e0 [ 79.560918][ T8950] __sys_bind+0x239/0x290 [ 79.565368][ T8950] ? __ia32_sys_socketpair+0xf0/0xf0 [ 79.570654][ T8950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.576901][ T8950] ? put_old_timespec32+0x113/0x200 [ 79.582111][ T8950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.588336][ T8950] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 79.593868][ T8950] ? do_fast_syscall_32+0xd1/0xdb3 [ 79.599177][ T8950] ? entry_SYSENTER_compat+0x70/0x7f [ 79.604569][ T8950] ? do_fast_syscall_32+0xd1/0xdb3 [ 79.609677][ T8950] __ia32_sys_bind+0x72/0xb0 [ 79.614261][ T8950] do_fast_syscall_32+0x27b/0xdb3 [ 79.619282][ T8950] entry_SYSENTER_compat+0x70/0x7f [ 79.624387][ T8950] RIP: 0023:0xf7f54a39 [ 79.628440][ T8950] Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 79.648214][ T8950] RSP: 002b:00000000f7f500cc EFLAGS: 00000296 ORIG_RAX: 0000000000000169 [ 79.656648][ T8950] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 79.664701][ T8950] RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000000 [ 79.672810][ T8950] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 79.680888][ T8950] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 79.688863][ T8950] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 79.696963][ T8950] Modules linked in: [ 79.700881][ T8950] ---[ end trace 8846ff38680d04f0 ]--- [ 79.706330][ T8950] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 79.711953][ T8950] 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 [ 79.731655][ T8950] RSP: 0018:ffff888089befb38 EFLAGS: 00010006 [ 79.737708][ T8950] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.745972][ T8950] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 79.753940][ T8950] RBP: ffff888089befc50 R08: 0000000000000001 R09: 0000000000000001 [ 79.761982][ T8950] R10: fffffbfff138cd40 R11: ffff888092a6c680 R12: 00000000000010c0 [ 79.769959][ T8950] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 79.777925][ T8950] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f7f50b40 [ 79.786838][ T8950] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 79.793576][ T8950] CR2: 00007f57497d7000 CR3: 00000000a4c05000 CR4: 00000000001406f0 [ 79.801552][ T8950] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.809510][ T8950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.817488][ T8950] Kernel panic - not syncing: Fatal exception in interrupt [ 79.826304][ T8950] Kernel Offset: disabled [ 79.830640][ T8950] Rebooting in 86400 seconds..