[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 37.720622] audit: type=1800 audit(1539001694.966:25): pid=5669 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 37.740337] audit: type=1800 audit(1539001694.966:26): pid=5669 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 37.766747] audit: type=1800 audit(1539001694.966:27): pid=5669 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 '10.128.10.0' (ECDSA) to the list of known hosts. 2018/10/08 12:30:58 parsed 1 programs 2018/10/08 12:31:00 executed programs: 0 syzkaller login: [ 203.536925] IPVS: ftp: loaded support on port[0] = 21 [ 203.731299] bridge0: port 1(bridge_slave_0) entered blocking state [ 203.737872] bridge0: port 1(bridge_slave_0) entered disabled state [ 203.744863] device bridge_slave_0 entered promiscuous mode [ 203.761101] bridge0: port 2(bridge_slave_1) entered blocking state [ 203.767592] bridge0: port 2(bridge_slave_1) entered disabled state [ 203.774415] device bridge_slave_1 entered promiscuous mode [ 203.789231] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 203.805274] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 203.844977] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 203.862153] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 203.921541] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 203.928694] team0: Port device team_slave_0 added [ 203.943155] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 203.950236] team0: Port device team_slave_1 added [ 203.964823] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 203.982243] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 203.999422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 204.016052] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 204.130772] bridge0: port 2(bridge_slave_1) entered blocking state [ 204.137167] bridge0: port 2(bridge_slave_1) entered forwarding state [ 204.143798] bridge0: port 1(bridge_slave_0) entered blocking state [ 204.150227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 204.542852] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 204.549069] 8021q: adding VLAN 0 to HW filter on device bond0 [ 204.590560] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 204.631188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 204.638479] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 204.681482] 8021q: adding VLAN 0 to HW filter on device team0 [ 204.919854] BUG: sleeping function called from invalid context at net/core/dev.c:9011 [ 204.928059] in_atomic(): 1, irqs_disabled(): 0, pid: 6093, name: syz-executor0 [ 204.935414] INFO: lockdep is turned off. [ 204.939708] Preemption disabled at: [ 204.939784] [] map_update_elem+0x423/0xd50 [ 204.949268] CPU: 0 PID: 6093 Comm: syz-executor0 Not tainted 4.19.0-rc6+ #250 [ 204.956532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.965927] Call Trace: [ 204.968531] dump_stack+0x1c4/0x2b4 [ 204.972307] ? dump_stack_print_info.cold.2+0x52/0x52 [ 204.977485] ? vprintk_func+0x85/0x181 [ 204.981357] ? vprintk_func+0x85/0x181 [ 204.985333] ? map_update_elem+0x423/0xd50 [ 204.989570] ___might_sleep.cold.82+0x1ba/0x1f3 [ 204.994244] ? arch_local_save_flags+0x40/0x40 [ 204.998817] ? lock_downgrade+0x900/0x900 [ 205.002955] __might_sleep+0x95/0x190 [ 205.006750] synchronize_net+0x1d/0x60 [ 205.010683] xsk_map_update_elem+0x2b0/0x470 [ 205.015080] ? xsk_map_lookup_elem+0x10/0x10 [ 205.019473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.025006] ? check_preemption_disabled+0x48/0x200 [ 205.030022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.035552] ? xsk_map_lookup_elem+0x10/0x10 [ 205.039951] map_update_elem+0x60c/0xd50 [ 205.044004] __x64_sys_bpf+0x32d/0x510 [ 205.047948] ? bpf_prog_get+0x20/0x20 [ 205.051747] do_syscall_64+0x1b9/0x820 [ 205.055667] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 205.061145] ? syscall_return_slowpath+0x5e0/0x5e0 [ 205.066171] ? trace_hardirqs_on_caller+0x310/0x310 [ 205.071176] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 205.076242] ? recalc_sigpending_tsk+0x180/0x180 [ 205.081094] ? kasan_check_write+0x14/0x20 [ 205.085319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.090162] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 205.095340] RIP: 0033:0x457579 [ 205.098530] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 205.117640] RSP: 002b:00007f9817cd4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 205.125347] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 [ 205.132612] RDX: 0000000000000020 RSI: 0000000020000100 RDI: 0000000000000002 [ 205.139885] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 205.147154] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9817cd56d4 [ 205.154415] R13: 00000000004bd93a R14: 00000000004cc2b0 R15: 00000000ffffffff [ 205.161798] BUG: scheduling while atomic: syz-executor0/6093/0x00000002 [ 205.168864] INFO: lockdep is turned off. [ 205.172912] Modules linked in: [ 205.176084] Preemption disabled at: [ 205.176100] [] map_update_elem+0x423/0xd50 [ 205.185664] Kernel panic - not syncing: scheduling while atomic [ 205.185664] [ 205.193193] CPU: 0 PID: 6093 Comm: syz-executor0 Tainted: G W 4.19.0-rc6+ #250 [ 205.201897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 205.211297] Call Trace: [ 205.213882] dump_stack+0x1c4/0x2b4 [ 205.217495] ? dump_stack_print_info.cold.2+0x52/0x52 [ 205.222670] panic+0x238/0x4e7 [ 205.225919] ? add_taint.cold.5+0x16/0x16 [ 205.230067] ? trace_hardirqs_off+0xb8/0x310 [ 205.234472] ? vprintk_func+0x85/0x181 [ 205.238373] ? map_update_elem+0x423/0xd50 [ 205.242601] __schedule_bug.cold.84+0x11c/0x14d [ 205.247307] __schedule+0x1456/0x1ed0 [ 205.251102] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 205.256110] ? mark_held_locks+0x130/0x130 [ 205.260336] ? __sched_text_start+0x8/0x8 [ 205.264476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.270004] ? irq_work_claim+0xac/0xd0 [ 205.273978] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 205.279544] ? irq_work_queue+0x36/0x1d0 [ 205.283607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.289130] ? wake_up_klogd+0x11a/0x180 [ 205.293173] ? console_device+0xc0/0xc0 [ 205.297128] ? vprintk_emit+0x322/0x930 [ 205.301086] ? __down_trylock_console_sem+0x155/0x200 [ 205.306392] ? debug_object_active_state+0x2f5/0x4d0 [ 205.311505] schedule+0xfe/0x460 [ 205.314868] ? __schedule+0x1ed0/0x1ed0 [ 205.318842] ? debug_object_active_state+0x2f5/0x4d0 [ 205.323930] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 205.329364] ? kasan_check_write+0x14/0x20 [ 205.333605] ? wait_for_completion+0x41f/0x8a0 [ 205.338175] schedule_timeout+0x1cc/0x260 [ 205.342310] ? usleep_range+0x1a0/0x1a0 [ 205.346266] ? wait_for_completion+0x41f/0x8a0 [ 205.350841] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 205.356277] ? kasan_check_write+0x14/0x20 [ 205.360498] ? do_raw_spin_lock+0xc1/0x200 [ 205.364855] wait_for_completion+0x427/0x8a0 [ 205.369363] ? wait_for_completion_interruptible+0x840/0x840 [ 205.375150] ? wake_up_q+0x100/0x100 [ 205.378985] ? __lockdep_init_map+0x105/0x590 [ 205.383473] ? __init_waitqueue_head+0x9e/0x150 [ 205.388138] __wait_rcu_gp+0x265/0x360 [ 205.392019] synchronize_rcu.part.65+0x104/0x120 [ 205.396776] ? synchronize_rcu_expedited+0xb0/0xb0 [ 205.401839] ? __call_rcu.constprop.69+0xbc0/0xbc0 [ 205.406773] ? add_taint+0x29/0x70 [ 205.410315] ? map_update_elem+0x423/0xd50 [ 205.414652] ? ___might_sleep.cold.82+0x1c6/0x1f3 [ 205.419482] ? rcu_unexpedite_gp+0x20/0x20 [ 205.423733] ? __might_sleep+0x95/0x190 [ 205.427695] synchronize_rcu+0x27/0xa0 [ 205.431569] synchronize_net+0x4d/0x60 [ 205.435465] xsk_map_update_elem+0x2b0/0x470 [ 205.439865] ? xsk_map_lookup_elem+0x10/0x10 [ 205.444261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.449814] ? check_preemption_disabled+0x48/0x200 [ 205.454958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.460489] ? xsk_map_lookup_elem+0x10/0x10 [ 205.464886] map_update_elem+0x60c/0xd50 [ 205.468936] __x64_sys_bpf+0x32d/0x510 [ 205.473058] ? bpf_prog_get+0x20/0x20 [ 205.476857] do_syscall_64+0x1b9/0x820 [ 205.480736] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 205.486121] ? syscall_return_slowpath+0x5e0/0x5e0 [ 205.491051] ? trace_hardirqs_on_caller+0x310/0x310 [ 205.496063] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 205.501068] ? recalc_sigpending_tsk+0x180/0x180 [ 205.505923] ? kasan_check_write+0x14/0x20 [ 205.510201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.515043] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 205.520388] RIP: 0033:0x457579 [ 205.523568] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 205.542619] RSP: 002b:00007f9817cd4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 205.550347] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 [ 205.557623] RDX: 0000000000000020 RSI: 0000000020000100 RDI: 0000000000000002 [ 205.564896] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 205.572166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9817cd56d4 [ 205.579433] R13: 00000000004bd93a R14: 00000000004cc2b0 R15: 00000000ffffffff [ 205.587704] Kernel Offset: disabled [ 205.591340] Rebooting in 86400 seconds..