[ 66.713982][ T26] audit: type=1800 audit(1567692708.283:27): pid=9811 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 66.745937][ T26] audit: type=1800 audit(1567692708.283:28): pid=9811 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. [ 67.424315][ T26] audit: type=1800 audit(1567692709.073:29): pid=9811 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 [ 67.444608][ T26] audit: type=1800 audit(1567692709.073:30): pid=9811 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.86' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 76.567710][ T9967] FAULT_INJECTION: forcing a failure. [ 76.567710][ T9967] name failslab, interval 1, probability 0, space 0, times 1 [ 76.580686][ T9967] CPU: 1 PID: 9967 Comm: syz-executor461 Not tainted 5.3.0-rc7+ #0 [ 76.588552][ T9967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.598595][ T9967] Call Trace: [ 76.601875][ T9967] dump_stack+0x172/0x1f0 [ 76.606209][ T9967] should_fail.cold+0xa/0x15 [ 76.610787][ T9967] ? fault_create_debugfs_attr+0x180/0x180 [ 76.616582][ T9967] ? fib6_get_table+0x276/0x350 [ 76.621419][ T9967] ? __kasan_check_read+0x11/0x20 [ 76.626427][ T9967] __should_failslab+0x121/0x190 [ 76.631349][ T9967] should_failslab+0x9/0x14 [ 76.635844][ T9967] kmem_cache_alloc_trace+0x4b/0x790 [ 76.641114][ T9967] ? debug_object_activate+0x131/0x470 [ 76.646710][ T9967] fib6_info_alloc+0xb6/0x1b0 [ 76.651372][ T9967] ip6_route_info_create+0x2fe/0x1530 [ 76.656725][ T9967] ? addrconf_f6i_alloc+0xb9/0x4a0 [ 76.661866][ T9967] addrconf_f6i_alloc+0x307/0x4a0 [ 76.666870][ T9967] ? ipv6_route_ioctl+0x350/0x350 [ 76.671880][ T9967] ? lock_acquire+0x190/0x410 [ 76.676574][ T9967] ? __ipv6_dev_ac_inc+0x50/0x9d0 [ 76.681626][ T9967] __ipv6_dev_ac_inc+0x274/0x9d0 [ 76.686544][ T9967] ipv6_sock_ac_join+0x4bb/0x790 [ 76.691462][ T9967] do_ipv6_setsockopt.isra.0+0x37bb/0x4100 [ 76.697249][ T9967] ? ipv6_update_options+0x3b0/0x3b0 [ 76.702515][ T9967] ? lock_downgrade+0x920/0x920 [ 76.707345][ T9967] ? __bpf_address_lookup+0x310/0x310 [ 76.712705][ T9967] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 76.718401][ T9967] ? bpf_prog_kallsyms_find+0x50/0x2c0 [ 76.723850][ T9967] ? is_bpf_text_address+0xd3/0x170 [ 76.729036][ T9967] ? kernel_text_address+0x73/0xf0 [ 76.734127][ T9967] ? unwind_get_return_address+0x61/0xa0 [ 76.739743][ T9967] ? profile_setup.cold+0xbb/0xbb [ 76.744760][ T9967] ? arch_stack_walk+0x97/0xf0 [ 76.749503][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.755726][ T9967] ? _parse_integer+0x139/0x190 [ 76.760620][ T9967] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 76.766973][ T9967] ? _kstrtoull+0x14c/0x200 [ 76.771457][ T9967] ? _parse_integer+0x190/0x190 [ 76.776290][ T9967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.782507][ T9967] ? aa_label_sk_perm+0x101/0x560 [ 76.787514][ T9967] ? lock_downgrade+0x920/0x920 [ 76.792342][ T9967] ? aa_profile_af_perm+0x320/0x320 [ 76.797531][ T9967] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 76.803228][ T9967] ? kstrtouint+0x142/0x1a0 [ 76.807715][ T9967] ? _kstrtoul+0x170/0x170 [ 76.812111][ T9967] ? get_pid_task+0xc9/0x190 [ 76.816680][ T9967] ? __kasan_check_read+0x11/0x20 [ 76.821682][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.827908][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.834137][ T9967] ? ___might_sleep+0x163/0x280 [ 76.838973][ T9967] ? __might_sleep+0x95/0x190 [ 76.843651][ T9967] ipv6_setsockopt+0xf6/0x170 [ 76.848309][ T9967] ? ipv6_setsockopt+0xf6/0x170 [ 76.853147][ T9967] tcp_setsockopt+0x8f/0xe0 [ 76.857634][ T9967] sock_common_setsockopt+0x94/0xd0 [ 76.862824][ T9967] __sys_setsockopt+0x261/0x4c0 [ 76.867654][ T9967] ? __sb_end_write+0x121/0x1f0 [ 76.872500][ T9967] ? sock_create_kern+0x50/0x50 [ 76.877499][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.883739][ T9967] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 76.889793][ T9967] __x64_sys_setsockopt+0xbe/0x150 [ 76.894887][ T9967] do_syscall_64+0xfd/0x6a0 [ 76.899421][ T9967] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.905292][ T9967] RIP: 0033:0x440b99 [ 76.909167][ T9967] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.928755][ T9967] RSP: 002b:00007ffc8bc5ed18 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 76.937146][ T9967] RAX: ffffffffffffffda RBX: 00007ffc8bc5edc0 RCX: 0000000000440b99 [ 76.945099][ T9967] RDX: 000000000000001b RSI: 0000000000000029 RDI: 0000000000000003 [ 76.953047][ T9967] RBP: 0000000000000004 R08: 0000000000000014 R09: 0000000000401160 [ 76.960998][ T9967] R10: 0000000020000200 R11: 0000000000000246 R12: 0000000000402480 [ 76.968947][ T9967] R13: 0000000000402510 R14: 0000000000000000 R15: 0000000000000000 [ 76.976969][ T9967] kasan: CONFIG_KASAN_INLINE enabled [ 76.982264][ T9967] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 76.990344][ T9967] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 76.997302][ T9967] CPU: 1 PID: 9967 Comm: syz-executor461 Not tainted 5.3.0-rc7+ #0 [ 77.005233][ T9967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.015558][ T9967] RIP: 0010:addrconf_f6i_alloc+0x32d/0x4a0 [ 77.021344][ T9967] Code: 59 bc ff ff 48 85 c0 49 89 c4 74 3d e8 cc 36 32 fb 49 8d bc 24 86 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 1f 01 00 00 [ 77.040941][ T9967] RSP: 0018:ffff8880913af638 EFLAGS: 00010206 [ 77.046986][ T9967] RAX: dffffc0000000000 RBX: 1ffff11012275ec9 RCX: 1ffffffff134b5d6 [ 77.054950][ T9967] RDX: 000000000000000f RSI: ffffffff86403e84 RDI: 000000000000007a [ 77.063013][ T9967] RBP: ffff8880913af7b8 R08: ffff8880922dc240 R09: ffffed1012275e8b [ 77.070962][ T9967] R10: ffffed1012275e8a R11: 0000000000000003 R12: fffffffffffffff4 [ 77.078911][ T9967] R13: ffff88809c1f36c0 R14: ffff8880913af9d0 R15: 0000000000000001 [ 77.086861][ T9967] FS: 0000555555929940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.095764][ T9967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.102336][ T9967] CR2: 0000000020000200 CR3: 000000008f63e000 CR4: 00000000001406e0 [ 77.110287][ T9967] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.118237][ T9967] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.126183][ T9967] Call Trace: [ 77.129457][ T9967] ? ipv6_route_ioctl+0x350/0x350 [ 77.134567][ T9967] ? lock_acquire+0x190/0x410 [ 77.139222][ T9967] ? __ipv6_dev_ac_inc+0x50/0x9d0 [ 77.144240][ T9967] __ipv6_dev_ac_inc+0x274/0x9d0 [ 77.149171][ T9967] ipv6_sock_ac_join+0x4bb/0x790 [ 77.154103][ T9967] do_ipv6_setsockopt.isra.0+0x37bb/0x4100 [ 77.159892][ T9967] ? ipv6_update_options+0x3b0/0x3b0 [ 77.165159][ T9967] ? lock_downgrade+0x920/0x920 [ 77.170008][ T9967] ? __bpf_address_lookup+0x310/0x310 [ 77.175366][ T9967] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 77.181064][ T9967] ? bpf_prog_kallsyms_find+0x50/0x2c0 [ 77.186499][ T9967] ? is_bpf_text_address+0xd3/0x170 [ 77.191675][ T9967] ? kernel_text_address+0x73/0xf0 [ 77.196764][ T9967] ? unwind_get_return_address+0x61/0xa0 [ 77.202388][ T9967] ? profile_setup.cold+0xbb/0xbb [ 77.207408][ T9967] ? arch_stack_walk+0x97/0xf0 [ 77.212149][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.218366][ T9967] ? _parse_integer+0x139/0x190 [ 77.223197][ T9967] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.229414][ T9967] ? _kstrtoull+0x14c/0x200 [ 77.233937][ T9967] ? _parse_integer+0x190/0x190 [ 77.238765][ T9967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.245004][ T9967] ? aa_label_sk_perm+0x101/0x560 [ 77.250012][ T9967] ? lock_downgrade+0x920/0x920 [ 77.254866][ T9967] ? aa_profile_af_perm+0x320/0x320 [ 77.260111][ T9967] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.265844][ T9967] ? kstrtouint+0x142/0x1a0 [ 77.270334][ T9967] ? _kstrtoul+0x170/0x170 [ 77.274772][ T9967] ? get_pid_task+0xc9/0x190 [ 77.279494][ T9967] ? __kasan_check_read+0x11/0x20 [ 77.284508][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.290733][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.296981][ T9967] ? ___might_sleep+0x163/0x280 [ 77.301814][ T9967] ? __might_sleep+0x95/0x190 [ 77.306471][ T9967] ipv6_setsockopt+0xf6/0x170 [ 77.311126][ T9967] ? ipv6_setsockopt+0xf6/0x170 [ 77.315957][ T9967] tcp_setsockopt+0x8f/0xe0 [ 77.320455][ T9967] sock_common_setsockopt+0x94/0xd0 [ 77.326081][ T9967] __sys_setsockopt+0x261/0x4c0 [ 77.330913][ T9967] ? __sb_end_write+0x121/0x1f0 [ 77.335755][ T9967] ? sock_create_kern+0x50/0x50 [ 77.340606][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.346837][ T9967] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 77.352884][ T9967] __x64_sys_setsockopt+0xbe/0x150 [ 77.357977][ T9967] do_syscall_64+0xfd/0x6a0 [ 77.362473][ T9967] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.368340][ T9967] RIP: 0033:0x440b99 [ 77.372213][ T9967] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.391808][ T9967] RSP: 002b:00007ffc8bc5ed18 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 77.400210][ T9967] RAX: ffffffffffffffda RBX: 00007ffc8bc5edc0 RCX: 0000000000440b99 [ 77.408510][ T9967] RDX: 000000000000001b RSI: 0000000000000029 RDI: 0000000000000003 [ 77.416462][ T9967] RBP: 0000000000000004 R08: 0000000000000014 R09: 0000000000401160 [ 77.424413][ T9967] R10: 0000000020000200 R11: 0000000000000246 R12: 0000000000402480 [ 77.432377][ T9967] R13: 0000000000402510 R14: 0000000000000000 R15: 0000000000000000 [ 77.440374][ T9967] Modules linked in: [ 77.444298][ T9967] ---[ end trace 32c7d1f759ebaf47 ]--- [ 77.449752][ T9967] RIP: 0010:addrconf_f6i_alloc+0x32d/0x4a0 [ 77.455576][ T9967] Code: 59 bc ff ff 48 85 c0 49 89 c4 74 3d e8 cc 36 32 fb 49 8d bc 24 86 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 1f 01 00 00 [ 77.475210][ T9967] RSP: 0018:ffff8880913af638 EFLAGS: 00010206 [ 77.481291][ T9967] RAX: dffffc0000000000 RBX: 1ffff11012275ec9 RCX: 1ffffffff134b5d6 [ 77.489259][ T9967] RDX: 000000000000000f RSI: ffffffff86403e84 RDI: 000000000000007a [ 77.497288][ T9967] RBP: ffff8880913af7b8 R08: ffff8880922dc240 R09: ffffed1012275e8b [ 77.505284][ T9967] R10: ffffed1012275e8a R11: 0000000000000003 R12: fffffffffffffff4 [ 77.513268][ T9967] R13: ffff88809c1f36c0 R14: ffff8880913af9d0 R15: 0000000000000001 [ 77.521282][ T9967] FS: 0000555555929940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.530280][ T9967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.536859][ T9967] CR2: 0000000020000200 CR3: 000000008f63e000 CR4: 00000000001406e0 [ 77.545112][ T9967] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.553096][ T9967] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.561077][ T9967] Kernel panic - not syncing: Fatal exception in interrupt [ 77.569519][ T9967] Kernel Offset: disabled [ 77.573846][ T9967] Rebooting in 86400 seconds..