[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.945471][ T26] audit: type=1800 audit(1567690990.568:25): pid=8411 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.966942][ T26] audit: type=1800 audit(1567690990.568:26): pid=8411 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.003483][ T26] audit: type=1800 audit(1567690990.578:27): pid=8411 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 '10.128.0.51' (ECDSA) to the list of known hosts. 2019/09/05 13:43:20 parsed 1 programs 2019/09/05 13:43:22 executed programs: 0 syzkaller login: [ 63.933357][ T8582] IPVS: ftp: loaded support on port[0] = 21 [ 63.989845][ T8582] chnl_net:caif_netlink_parms(): no params data found [ 64.017119][ T8582] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.024646][ T8582] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.032733][ T8582] device bridge_slave_0 entered promiscuous mode [ 64.040541][ T8582] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.047803][ T8582] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.055446][ T8582] device bridge_slave_1 entered promiscuous mode [ 64.071092][ T8582] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.081964][ T8582] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.098702][ T8582] team0: Port device team_slave_0 added [ 64.106957][ T8582] team0: Port device team_slave_1 added [ 64.154380][ T8582] device hsr_slave_0 entered promiscuous mode [ 64.202083][ T8582] device hsr_slave_1 entered promiscuous mode [ 64.268863][ T8582] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.276160][ T8582] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.283944][ T8582] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.290995][ T8582] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.321554][ T8582] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.334851][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.344674][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.352909][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.360551][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 64.371300][ T8582] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.381481][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.389958][ T3504] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.397191][ T3504] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.408395][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.417344][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.424538][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.444416][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.452989][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.461214][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.470292][ T3504] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.480873][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.490946][ T8582] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.508889][ T8582] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/09/05 13:43:27 executed programs: 169 2019/09/05 13:43:32 executed programs: 371 [ 75.036445][T10235] kasan: CONFIG_KASAN_INLINE enabled [ 75.041909][T10235] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 75.049959][T10235] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 75.056866][T10235] CPU: 1 PID: 10235 Comm: syz-executor.0 Not tainted 5.3.0-rc6-next-20190830 #75 [ 75.065942][T10235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.076000][T10235] RIP: 0010:dev_map_hash_update_elem+0x3c8/0x6e0 [ 75.082302][T10235] Code: 48 89 f1 48 89 75 c8 48 c1 e9 03 80 3c 11 00 0f 85 d3 02 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 53 10 48 89 d6 48 c1 ee 03 <80> 3c 0e 00 0f 85 97 02 00 00 48 85 c0 48 89 02 74 38 48 89 55 b8 [ 75.101883][T10235] RSP: 0018:ffff88808d607c30 EFLAGS: 00010046 [ 75.107924][T10235] RAX: 0000000000000000 RBX: ffff8880a7f14580 RCX: dffffc0000000000 [ 75.115880][T10235] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a7f14588 [ 75.123828][T10235] RBP: ffff88808d607c78 R08: 0000000000000004 R09: ffffed1011ac0f73 [ 75.131775][T10235] R10: ffffed1011ac0f72 R11: 0000000000000003 R12: ffff88809f4e9400 [ 75.139719][T10235] R13: ffff88809b06ba00 R14: 0000000000000000 R15: ffff88809f4e9528 [ 75.147668][T10235] FS: 00007f3a3d50c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 75.156575][T10235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.163132][T10235] CR2: 00007feb3fcd0000 CR3: 00000000986b9000 CR4: 00000000001406e0 [ 75.171180][T10235] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.179146][T10235] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.187086][T10235] Call Trace: [ 75.190354][T10235] ? __kasan_check_read+0x11/0x20 [ 75.195352][T10235] ? dev_map_update_elem+0x280/0x280 [ 75.200612][T10235] map_update_elem+0xc82/0x10b0 [ 75.205444][T10235] __do_sys_bpf+0x8b5/0x3350 [ 75.210011][T10235] ? bpf_prog_load+0x1660/0x1660 [ 75.214933][T10235] ? __kasan_check_read+0x11/0x20 [ 75.219928][T10235] ? _copy_to_user+0x118/0x160 [ 75.224666][T10235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.230883][T10235] ? put_timespec64+0xda/0x140 [ 75.235644][T10235] ? nsecs_to_jiffies+0x30/0x30 [ 75.240475][T10235] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 75.245905][T10235] ? do_syscall_64+0x26/0x760 [ 75.250558][T10235] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.256596][T10235] ? do_syscall_64+0x26/0x760 [ 75.261249][T10235] __x64_sys_bpf+0x73/0xb0 [ 75.265638][T10235] do_syscall_64+0xfa/0x760 [ 75.270114][T10235] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.275974][T10235] RIP: 0033:0x459879 [ 75.279839][T10235] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.299413][T10235] RSP: 002b:00007f3a3d50bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 75.307792][T10235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 [ 75.315739][T10235] RDX: 0000000000000020 RSI: 0000000020000040 RDI: 0000000000000002 [ 75.323682][T10235] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 75.331629][T10235] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3a3d50c6d4 [ 75.339593][T10235] R13: 00000000004bfc86 R14: 00000000004d1960 R15: 00000000ffffffff [ 75.347537][T10235] Modules linked in: [ 75.351413][T10235] ---[ end trace 083223e21dbd0ae5 ]--- [ 75.356849][T10235] RIP: 0010:dev_map_hash_update_elem+0x3c8/0x6e0 [ 75.363151][T10235] Code: 48 89 f1 48 89 75 c8 48 c1 e9 03 80 3c 11 00 0f 85 d3 02 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 53 10 48 89 d6 48 c1 ee 03 <80> 3c 0e 00 0f 85 97 02 00 00 48 85 c0 48 89 02 74 38 48 89 55 b8 [ 75.382741][T10235] RSP: 0018:ffff88808d607c30 EFLAGS: 00010046 [ 75.388777][T10235] RAX: 0000000000000000 RBX: ffff8880a7f14580 RCX: dffffc0000000000 [ 75.396722][T10235] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a7f14588 [ 75.404668][T10235] RBP: ffff88808d607c78 R08: 0000000000000004 R09: ffffed1011ac0f73 [ 75.412613][T10235] R10: ffffed1011ac0f72 R11: 0000000000000003 R12: ffff88809f4e9400 [ 75.420558][T10235] R13: ffff88809b06ba00 R14: 0000000000000000 R15: ffff88809f4e9528 [ 75.428507][T10235] FS: 00007f3a3d50c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 75.437494][T10235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.444076][T10235] CR2: 00007feb3fcd0000 CR3: 00000000986b9000 CR4: 00000000001406e0 [ 75.452024][T10235] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.459965][T10235] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.467902][T10235] Kernel panic - not syncing: Fatal exception [ 75.475110][T10235] Kernel Offset: disabled [ 75.479425][T10235] Rebooting in 86400 seconds..