[ 37.110284] audit: type=1800 audit(1549258723.920:28): pid=7592 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 38.006241] audit: type=1800 audit(1549258724.910:29): pid=7592 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 38.025891] audit: type=1800 audit(1549258724.920:30): pid=7592 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. 2019/02/04 05:38:53 parsed 1 programs 2019/02/04 05:38:55 executed programs: 0 syzkaller login: [ 48.198212] IPVS: ftp: loaded support on port[0] = 21 [ 48.260785] chnl_net:caif_netlink_parms(): no params data found [ 48.296540] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.303312] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.310385] device bridge_slave_0 entered promiscuous mode [ 48.317638] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.324014] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.331096] device bridge_slave_1 entered promiscuous mode [ 48.346374] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.355659] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.373060] team0: Port device team_slave_0 added [ 48.379433] team0: Port device team_slave_1 added [ 48.459021] device hsr_slave_0 entered promiscuous mode [ 48.507571] device hsr_slave_1 entered promiscuous mode [ 48.554554] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.560999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.567948] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.574314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.604402] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.616066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.625718] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.633473] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.640592] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.651259] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.660466] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.668373] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.674703] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.694395] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.704832] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.716194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.724112] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.730497] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.737952] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.745732] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.753364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.760867] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.768408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.775243] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.793453] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.842746] device rose0 entered promiscuous mode [ 48.848381] IPv6: ADDRCONF(NETDEV_CHANGE): rose0: link becomes ready [ 48.987130] kasan: CONFIG_KASAN_INLINE enabled [ 48.991834] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 48.999274] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 49.005566] CPU: 1 PID: 7801 Comm: udevd Not tainted 5.0.0-rc4+ #44 [ 49.011959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.021318] RIP: 0010:rose_send_frame+0x1a8/0x280 [ 49.026153] Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 60 cd [ 49.045049] RSP: 0000:ffff8880ae907ae8 EFLAGS: 00010202 [ 49.050432] RAX: dffffc0000000000 RBX: ffff88809a954500 RCX: ffffffff86360ccb [ 49.057696] RDX: 000000000000006b RSI: ffffffff86360dfc RDI: 0000000000000358 [ 49.064976] RBP: ffff8880ae907b18 R08: ffff888094b50080 R09: ffffed10146ad41d [ 49.072242] R10: ffffed10146ad41c R11: ffff8880a356a0e3 R12: 0000000000000000 [ 49.079494] R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a886acc0 [ 49.086748] FS: 00007f75710e57a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 49.094968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.100839] CR2: 00007f7570790590 CR3: 000000009fb95000 CR4: 00000000001406e0 [ 49.108114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.115383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.122645] Call Trace: [ 49.125258] [ 49.127416] rose_transmit_clear_request+0x1de/0x2a0 [ 49.132539] ? __local_bh_enable_ip+0x15a/0x270 [ 49.137191] rose_rx_call_request+0x4ea/0x1990 [ 49.141754] ? rose_dev_get+0x21e/0x320 [ 49.145724] ? rose_release+0x410/0x410 [ 49.149704] rose_loopback_timer+0x26a/0x3f0 [ 49.154132] call_timer_fn+0x190/0x720 [ 49.158035] ? rose_link_rx_restart.cold+0xa9/0xa9 [ 49.162993] ? process_timeout+0x40/0x40 [ 49.167069] ? run_timer_softirq+0x647/0x1700 [ 49.171559] ? trace_hardirqs_on+0x67/0x230 [ 49.175868] ? kasan_check_read+0x11/0x20 [ 49.180002] ? rose_link_rx_restart.cold+0xa9/0xa9 [ 49.184911] run_timer_softirq+0x652/0x1700 [ 49.189232] ? add_timer+0xbe0/0xbe0 [ 49.192930] ? __lock_is_held+0xb6/0x140 [ 49.196980] ? check_preemption_disabled+0x48/0x290 [ 49.201993] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 49.207441] __do_softirq+0x266/0x95a [ 49.211287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.216827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.222394] irq_exit+0x180/0x1d0 [ 49.225839] smp_apic_timer_interrupt+0x14a/0x570 [ 49.230669] apic_timer_interrupt+0xf/0x20 [ 49.234879] [ 49.237102] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x1/0x20 [ 49.243140] Code: c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 06 00 00 00 48 89 e5 48 8b 4d 08 e8 18 ff ff ff 5d c3 66 0f 1f 44 00 00 55 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 48 89 e5 48 8b 4d 08 e8 f6 [ 49.262032] RSP: 0000:ffff8880a806fb90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 49.269723] RAX: ffff888094b50080 RBX: ffff8880a806fca8 RCX: ffffffff818a7cde [ 49.276980] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.284240] RBP: ffff8880a806fcd0 R08: ffff888094b50080 R09: 0000000000000004 [ 49.291507] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: ffffea000025f980 [ 49.298778] R13: ffff88809b8a87b8 R14: 0000000000000001 R15: 0000000000000084 [ 49.306038] ? filemap_map_pages+0x7ae/0x1320 [ 49.310536] ? filemap_map_pages+0x7cd/0x1320 [ 49.315058] ? read_cache_page_gfp+0x90/0x90 [ 49.319450] ? add_mm_counter_fast.part.0+0x40/0x40 [ 49.324452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.329972] __handle_mm_fault+0x3226/0x3f20 [ 49.334363] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 49.339186] ? find_held_lock+0x35/0x130 [ 49.343229] ? handle_mm_fault+0x322/0xb30 [ 49.347450] ? kasan_check_read+0x11/0x20 [ 49.351583] handle_mm_fault+0x43f/0xb30 [ 49.355630] __do_page_fault+0x5da/0xd60 [ 49.359680] do_page_fault+0x71/0x581 [ 49.363476] ? page_fault+0x8/0x30 [ 49.367003] page_fault+0x1e/0x30 [ 49.370445] RIP: 0033:0x7f7570790590 [ 49.374137] Code: 00 74 0f f0 ff 0d ac 41 31 00 0f 85 d3 6b 00 00 eb 0c ff 0d 9e 41 31 00 0f 85 c5 6b 00 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 <8b> 0d 4e 1b 31 00 85 c9 7e 6c 48 8b 15 97 41 31 00 48 8b 05 78 17 [ 49.393049] RSP: 002b:00007ffec2e21978 EFLAGS: 00010206 [ 49.398394] RAX: 00007f7570aa4740 RBX: 00007ffec2e219a0 RCX: 00007f75705162a0 [ 49.405643] RDX: 00007f7570790590 RSI: 00007f7570512240 RDI: 00007f7570aa26c0 [ 49.412898] RBP: 00007ffec2e219e0 R08: 0000000000001ce4 R09: 0000000000001ce4 [ 49.420167] R10: 00007f7570512240 R11: 00007f75710e57a0 R12: 0000000000000000 [ 49.427422] R13: 0000000000000000 R14: 00007f75710f0040 R15: 0000000000000005 [ 49.434675] Modules linked in: [ 49.437899] ---[ end trace 19f243a97b44aa5b ]--- [ 49.442656] RIP: 0010:rose_send_frame+0x1a8/0x280 [ 49.447517] Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 60 cd [ 49.466433] RSP: 0000:ffff8880ae907ae8 EFLAGS: 00010202 [ 49.471816] RAX: dffffc0000000000 RBX: ffff88809a954500 RCX: ffffffff86360ccb [ 49.479127] RDX: 000000000000006b RSI: ffffffff86360dfc RDI: 0000000000000358 [ 49.486377] RBP: ffff8880ae907b18 R08: ffff888094b50080 R09: ffffed10146ad41d [ 49.493715] R10: ffffed10146ad41c R11: ffff8880a356a0e3 R12: 0000000000000000 [ 49.501006] R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a886acc0 [ 49.508289] FS: 00007f75710e57a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 49.516522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.522408] CR2: 00007f7570790590 CR3: 000000009fb95000 CR4: 00000000001406e0 [ 49.529701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.536979] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.544240] Kernel panic - not syncing: Fatal exception in interrupt [ 49.551726] Kernel Offset: disabled [ 49.555350] Rebooting in 86400 seconds..