[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 61.159956][ T7515] kasan: CONFIG_KASAN_INLINE enabled [ 61.165431][ T7515] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 61.173737][ T7515] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 61.180760][ T7515] CPU: 0 PID: 7515 Comm: syz-executor055 Not tainted 5.0.0-rc8-next-20190304 #2 [ 61.189750][ T7515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.199818][ T7515] RIP: 0010:xsk_diag_dump+0xdcb/0x13a0 [ 61.205283][ T7515] Code: 8d be c0 04 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 39 04 00 00 49 8b 96 c0 04 00 00 48 8d 7a 14 48 89 f8 48 c1 e8 03 <42> 0f b6 0c 20 48 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 [ 61.225199][ T7515] RSP: 0018:ffff88807f8872d8 EFLAGS: 00010203 [ 61.231246][ T7515] RAX: 0000000000000002 RBX: ffff8880a0ba6bc0 RCX: ffffffff87086bbc [ 61.239187][ T7515] RDX: 0000000000000000 RSI: ffffffff87086bf0 RDI: 0000000000000014 [ 61.247138][ T7515] RBP: ffff88807f887438 R08: ffff88808f62e300 R09: ffffed1011f074dc [ 61.255087][ T7515] R10: ffffed1011f074db R11: ffff88808f83a6df R12: dffffc0000000000 [ 61.263030][ T7515] R13: ffff88808ff80a98 R14: ffff888080162440 R15: ffff88808f83a680 [ 61.271334][ T7515] FS: 0000000000d99880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 61.280326][ T7515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.286882][ T7515] CR2: 0000000020000080 CR3: 0000000089cf4000 CR4: 00000000001406f0 [ 61.294894][ T7515] Call Trace: [ 61.298385][ T7515] ? xsk_diag_handler_dump+0x250/0x250 [ 61.303818][ T7515] ? __alloc_skb+0x3cd/0x5e0 [ 61.308477][ T7515] ? kasan_check_write+0x14/0x20 [ 61.313403][ T7515] netlink_dump+0x55d/0xfb0 [ 61.317889][ T7515] ? netlink_broadcast+0x50/0x50 [ 61.322799][ T7515] ? lock_downgrade+0x880/0x880 [ 61.327623][ T7515] __netlink_dump_start+0x5b4/0x7e0 [ 61.332800][ T7515] xsk_diag_handler_dump+0x1b2/0x250 [ 61.338071][ T7515] ? xsk_reuseq_destroy+0x80/0x80 [ 61.343332][ T7515] ? sock_diag_rcv+0x1c/0x40 [ 61.347954][ T7515] ? xsk_diag_handler_dump+0x250/0x250 [ 61.353388][ T7515] sock_diag_rcv_msg+0x322/0x410 [ 61.358299][ T7515] netlink_rcv_skb+0x17a/0x460 [ 61.363034][ T7515] ? sock_diag_bind+0x80/0x80 [ 61.367733][ T7515] ? netlink_ack+0xb50/0xb50 [ 61.372305][ T7515] ? kasan_check_read+0x11/0x20 [ 61.377133][ T7515] sock_diag_rcv+0x2b/0x40 [ 61.381554][ T7515] netlink_unicast+0x536/0x720 [ 61.386404][ T7515] ? netlink_attachskb+0x770/0x770 [ 61.391485][ T7515] ? _copy_from_iter_full+0x259/0x8f0 [ 61.396830][ T7515] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 61.402533][ T7515] ? __check_object_size+0x3d/0x42f [ 61.407724][ T7515] netlink_sendmsg+0x8ae/0xd70 [ 61.412559][ T7515] ? netlink_unicast+0x720/0x720 [ 61.417486][ T7515] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 61.423002][ T7515] ? apparmor_socket_sendmsg+0x2a/0x30 [ 61.428438][ T7515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.434643][ T7515] ? security_socket_sendmsg+0x93/0xc0 [ 61.440079][ T7515] ? netlink_unicast+0x720/0x720 [ 61.444981][ T7515] sock_sendmsg+0xdd/0x130 [ 61.449369][ T7515] sock_write_iter+0x27c/0x3e0 [ 61.454111][ T7515] ? sock_sendmsg+0x130/0x130 [ 61.458822][ T7515] do_iter_readv_writev+0x5e1/0x8e0 [ 61.464031][ T7515] ? vfs_dedupe_file_range+0x780/0x780 [ 61.469465][ T7515] ? apparmor_file_permission+0x25/0x30 [ 61.474984][ T7515] ? rw_verify_area+0x118/0x360 [ 61.479929][ T7515] do_iter_write+0x184/0x610 [ 61.484493][ T7515] ? dup_iter+0x260/0x260 [ 61.488896][ T7515] vfs_writev+0x1b3/0x2f0 [ 61.493261][ T7515] ? vfs_iter_write+0xb0/0xb0 [ 61.498033][ T7515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 61.504247][ T7515] ? xskq_create+0x133/0x190 [ 61.508896][ T7515] ? mutex_unlock+0xd/0x10 [ 61.513290][ T7515] ? xsk_setsockopt+0x13b/0x480 [ 61.518107][ T7515] ? xsk_init_queue+0xf0/0xf0 [ 61.522756][ T7515] ? aa_sock_opt_perm.isra.0+0xa1/0x130 [ 61.528289][ T7515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.534495][ T7515] ? __fget_light+0x1a9/0x230 [ 61.539251][ T7515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.545566][ T7515] do_writev+0xf6/0x290 [ 61.549710][ T7515] ? vfs_writev+0x2f0/0x2f0 [ 61.554187][ T7515] ? do_syscall_64+0x26/0x610 [ 61.558835][ T7515] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.564901][ T7515] ? do_syscall_64+0x26/0x610 [ 61.569686][ T7515] __x64_sys_writev+0x75/0xb0 [ 61.574338][ T7515] do_syscall_64+0x103/0x610 [ 61.578920][ T7515] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.584876][ T7515] RIP: 0033:0x440139 [ 61.588946][ T7515] 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.608624][ T7515] RSP: 002b:00007ffe5e33b008 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 61.617006][ T7515] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440139 [ 61.625045][ T7515] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000003 [ 61.632988][ T7515] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 61.640931][ T7515] R10: 0000000000000004 R11: 0000000000000246 R12: 00000000004019c0 [ 61.648960][ T7515] R13: 0000000000401a50 R14: 0000000000000000 R15: 0000000000000000 [ 61.656932][ T7515] Modules linked in: [ 61.661228][ T7515] ---[ end trace abc0da947e8b6daf ]--- [ 61.666767][ T7515] RIP: 0010:xsk_diag_dump+0xdcb/0x13a0 [ 61.672269][ T7515] Code: 8d be c0 04 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 39 04 00 00 49 8b 96 c0 04 00 00 48 8d 7a 14 48 89 f8 48 c1 e8 03 <42> 0f b6 0c 20 48 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 [ 61.691987][ T7515] RSP: 0018:ffff88807f8872d8 EFLAGS: 00010203 [ 61.698329][ T7515] RAX: 0000000000000002 RBX: ffff8880a0ba6bc0 RCX: ffffffff87086bbc [ 61.706406][ T7515] RDX: 0000000000000000 RSI: ffffffff87086bf0 RDI: 0000000000000014 [ 61.714451][ T7515] RBP: ffff88807f887438 R08: ffff88808f62e300 R09: ffffed1011f074dc [ 61.722633][ T7515] R10: ffffed1011f074db R11: ffff88808f83a6df R12: dffffc0000000000 [ 61.730611][ T7515] R13: ffff88808ff80a98 R14: ffff888080162440 R15: ffff88808f83a680 [ 61.738666][ T7515] FS: 0000000000d99880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 61.747610][ T7515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.754168][ T7515] CR2: 0000000020000080 CR3: 0000000089cf4000 CR4: 00000000001406f0 [ 61.762247][ T7515] Kernel panic - not syncing: Fatal exception [ 61.768937][ T7515] Kernel Offset: disabled [ 61.773249][ T7515] Rebooting in 86400 seconds..