[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.588204][ T26] audit: type=1800 audit(1573387370.886:25): pid=8623 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.624615][ T26] audit: type=1800 audit(1573387370.886:26): pid=8623 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.677285][ T26] audit: type=1800 audit(1573387370.886:27): pid=8623 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 '10.128.0.212' (ECDSA) to the list of known hosts. 2019/11/10 12:03:01 parsed 1 programs 2019/11/10 12:03:03 executed programs: 0 syzkaller login: [ 68.438891][ T8792] IPVS: ftp: loaded support on port[0] = 21 [ 68.498416][ T8792] chnl_net:caif_netlink_parms(): no params data found [ 68.524205][ T8792] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.531893][ T8792] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.539543][ T8792] device bridge_slave_0 entered promiscuous mode [ 68.547260][ T8792] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.554335][ T8792] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.562000][ T8792] device bridge_slave_1 entered promiscuous mode [ 68.583061][ T8792] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.593782][ T8792] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.612885][ T8792] team0: Port device team_slave_0 added [ 68.619806][ T8792] team0: Port device team_slave_1 added [ 68.699631][ T8792] device hsr_slave_0 entered promiscuous mode [ 68.767543][ T8792] device hsr_slave_1 entered promiscuous mode [ 68.902593][ T8792] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.909824][ T8792] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.917547][ T8792] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.924621][ T8792] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.086123][ T8792] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.114850][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.138857][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.169269][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.189165][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.222955][ T8792] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.258338][ T8815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.266751][ T8815] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.273863][ T8815] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.338786][ T8815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.369093][ T8815] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.376168][ T8815] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.418287][ T8815] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.449347][ T8815] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.477911][ T8815] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.501999][ T8792] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.528341][ T8792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.549257][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.567475][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.601555][ T8792] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.612536][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.627578][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.434867][ T8945] kasan: CONFIG_KASAN_INLINE enabled [ 70.440180][ T8945] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 70.448241][ T8945] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 70.455160][ T8945] CPU: 1 PID: 8945 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 70.462932][ T8945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.472984][ T8945] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 70.478591][ T8945] 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 [ 70.498169][ T8945] RSP: 0018:ffff888089697b38 EFLAGS: 00010006 [ 70.504207][ T8945] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.512152][ T8945] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 70.520095][ T8945] RBP: ffff888089697c50 R08: 0000000000000001 R09: 0000000000000001 [ 70.528041][ T8945] R10: fffffbfff138cda0 R11: ffff888093e94140 R12: 00000000000010c0 [ 70.535985][ T8945] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 70.543931][ T8945] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000f7f11b40 [ 70.552829][ T8945] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 70.559383][ T8945] CR2: 00007fe416317518 CR3: 0000000096572000 CR4: 00000000001406e0 [ 70.567329][ T8945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.575277][ T8945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.583218][ T8945] Call Trace: [ 70.586485][ T8945] ? __kasan_check_read+0x11/0x20 [ 70.591519][ T8945] ? __lock_acquire+0x16f2/0x4a00 [ 70.596550][ T8945] ? rwlock_bug.part.0+0x90/0x90 [ 70.601463][ T8945] ? lock_acquire+0x190/0x410 [ 70.606115][ T8945] ? mark_held_locks+0xf0/0xf0 [ 70.610864][ T8945] lock_acquire+0x190/0x410 [ 70.615346][ T8945] ? j1939_jsk_del+0x32/0x240 [ 70.619997][ T8945] _raw_spin_lock_bh+0x33/0x50 [ 70.624742][ T8945] ? j1939_jsk_del+0x32/0x240 [ 70.629391][ T8945] j1939_jsk_del+0x32/0x240 [ 70.633866][ T8945] ? lock_sock_nested+0xe2/0x120 [ 70.638778][ T8945] j1939_sk_bind+0x2e2/0x8e0 [ 70.643345][ T8945] __sys_bind+0x239/0x290 [ 70.647650][ T8945] ? __ia32_sys_socketpair+0xf0/0xf0 [ 70.652910][ T8945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 70.659179][ T8945] ? put_old_timespec32+0x113/0x200 [ 70.664374][ T8945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.670592][ T8945] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 70.676024][ T8945] ? do_fast_syscall_32+0xd1/0xdb3 [ 70.681119][ T8945] ? entry_SYSENTER_compat+0x70/0x7f [ 70.686378][ T8945] ? do_fast_syscall_32+0xd1/0xdb3 [ 70.691470][ T8945] __ia32_sys_bind+0x72/0xb0 [ 70.696035][ T8945] do_fast_syscall_32+0x27b/0xdb3 [ 70.701033][ T8945] entry_SYSENTER_compat+0x70/0x7f [ 70.706131][ T8945] RIP: 0023:0xf7f36a39 [ 70.710178][ T8945] 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 [ 70.729852][ T8945] RSP: 002b:00000000f7f110cc EFLAGS: 00000296 ORIG_RAX: 0000000000000169 [ 70.738235][ T8945] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 70.746179][ T8945] RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000000 [ 70.754123][ T8945] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 70.762165][ T8945] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 70.770111][ T8945] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 70.778056][ T8945] Modules linked in: [ 70.781932][ T8945] ---[ end trace df3749f1ca8b22cb ]--- [ 70.787382][ T8945] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 70.792998][ T8945] 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 [ 70.812574][ T8945] RSP: 0018:ffff888089697b38 EFLAGS: 00010006 [ 70.818663][ T8945] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.826607][ T8945] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 70.834549][ T8945] RBP: ffff888089697c50 R08: 0000000000000001 R09: 0000000000000001 [ 70.842492][ T8945] R10: fffffbfff138cda0 R11: ffff888093e94140 R12: 00000000000010c0 [ 70.850434][ T8945] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 70.858379][ T8945] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000f7f11b40 [ 70.867276][ T8945] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 70.873832][ T8945] CR2: 00007fe416317518 CR3: 0000000096572000 CR4: 00000000001406e0 [ 70.881779][ T8945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.889723][ T8945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.897670][ T8945] Kernel panic - not syncing: Fatal exception in interrupt [ 70.906094][ T8945] Kernel Offset: disabled [ 70.910455][ T8945] Rebooting in 86400 seconds..