[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 37.418293] audit: type=1800 audit(1539003542.227:25): pid=5666 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 37.444179] audit: type=1800 audit(1539003542.227:26): pid=5666 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 37.463047] audit: type=1800 audit(1539003542.237:27): pid=5666 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.0.57' (ECDSA) to the list of known hosts. 2018/10/08 12:59:11 parsed 1 programs 2018/10/08 12:59:13 executed programs: 0 syzkaller login: [ 48.461578] IPVS: ftp: loaded support on port[0] = 21 [ 48.673414] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.679848] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.687043] device bridge_slave_0 entered promiscuous mode [ 48.703217] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.709609] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.716680] device bridge_slave_1 entered promiscuous mode [ 48.731428] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.746889] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.787406] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.804980] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.864195] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.871291] team0: Port device team_slave_0 added [ 48.885712] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.892809] team0: Port device team_slave_1 added [ 48.907556] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.927222] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.943135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.960516] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.070391] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.076799] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.083484] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.089834] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.486680] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 49.492818] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.534207] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.576330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.584412] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.623416] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.865803] BUG: sleeping function called from invalid context at net/core/dev.c:9010 [ 49.874124] in_atomic(): 1, irqs_disabled(): 0, pid: 6092, name: syz-executor0 [ 49.881484] INFO: lockdep is turned off. [ 49.885569] Preemption disabled at: [ 49.885591] [] map_update_elem+0x423/0xd50 [ 49.895048] CPU: 1 PID: 6092 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #50 [ 49.902234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.911587] Call Trace: [ 49.914171] dump_stack+0x1c4/0x2b4 [ 49.917789] ? dump_stack_print_info.cold.2+0x52/0x52 [ 49.922980] ? vprintk_func+0x85/0x181 [ 49.926874] ? vprintk_func+0x85/0x181 [ 49.930857] ? map_update_elem+0x423/0xd50 [ 49.935208] ___might_sleep.cold.82+0x1ba/0x1f3 [ 49.939875] ? arch_local_save_flags+0x40/0x40 [ 49.944450] ? lock_downgrade+0x900/0x900 [ 49.948604] __might_sleep+0x95/0x190 [ 49.952401] synchronize_net+0x1d/0x60 [ 49.956287] xsk_map_update_elem+0x2b0/0x470 [ 49.960730] ? xsk_map_lookup_elem+0x10/0x10 [ 49.965154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.970710] ? check_preemption_disabled+0x48/0x200 [ 49.975720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.981249] ? xsk_map_lookup_elem+0x10/0x10 [ 49.985653] map_update_elem+0x60c/0xd50 [ 49.989813] __x64_sys_bpf+0x32d/0x510 [ 49.993695] ? bpf_prog_get+0x20/0x20 [ 49.997502] do_syscall_64+0x1b9/0x820 [ 50.001382] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 50.006863] ? syscall_return_slowpath+0x5e0/0x5e0 [ 50.011785] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.016795] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 50.021801] ? recalc_sigpending_tsk+0x180/0x180 [ 50.026547] ? kasan_check_write+0x14/0x20 [ 50.030773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.035606] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.040781] RIP: 0033:0x457579 [ 50.043964] 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 [ 50.062965] RSP: 002b:00007fdbadfa8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 50.070664] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 [ 50.077917] RDX: 0000000000000020 RSI: 0000000020000100 RDI: 0000000000000002 [ 50.085288] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 50.092660] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdbadfa96d4 [ 50.100080] R13: 00000000004bd93a R14: 00000000004cc2b0 R15: 00000000ffffffff [ 50.107434] BUG: scheduling while atomic: syz-executor0/6092/0x00000002 [ 50.114219] INFO: lockdep is turned off. [ 50.118264] Modules linked in: [ 50.121438] Preemption disabled at: [ 50.121453] [] map_update_elem+0x423/0xd50 [ 50.130960] Kernel panic - not syncing: scheduling while atomic [ 50.130960] [ 50.138485] CPU: 1 PID: 6092 Comm: syz-executor0 Tainted: G W 4.19.0-rc7+ #50 [ 50.147046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.156507] Call Trace: [ 50.159089] dump_stack+0x1c4/0x2b4 [ 50.162712] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.167896] panic+0x238/0x4e7 [ 50.171080] ? add_taint.cold.5+0x16/0x16 [ 50.175220] ? trace_hardirqs_off+0xb8/0x310 [ 50.179706] ? vprintk_func+0x85/0x181 [ 50.183589] ? map_update_elem+0x423/0xd50 [ 50.187815] __schedule_bug.cold.84+0x11c/0x14d [ 50.192473] __schedule+0x1456/0x1ed0 [ 50.196262] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 50.201277] ? mark_held_locks+0x130/0x130 [ 50.205514] ? __sched_text_start+0x8/0x8 [ 50.209651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.215177] ? irq_work_claim+0xac/0xd0 [ 50.219142] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 50.224666] ? irq_work_queue+0x36/0x1d0 [ 50.228715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.234243] ? wake_up_klogd+0x11a/0x180 [ 50.238292] ? console_device+0xc0/0xc0 [ 50.242262] ? vprintk_emit+0x322/0x930 [ 50.246244] ? __down_trylock_console_sem+0x155/0x200 [ 50.251427] ? debug_object_active_state+0x2f5/0x4d0 [ 50.256529] schedule+0xfe/0x460 [ 50.259888] ? __schedule+0x1ed0/0x1ed0 [ 50.263848] ? debug_object_active_state+0x2f5/0x4d0 [ 50.268949] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 50.274405] ? kasan_check_write+0x14/0x20 [ 50.278631] ? wait_for_completion+0x41f/0x8a0 [ 50.283206] schedule_timeout+0x1cc/0x260 [ 50.287354] ? usleep_range+0x1a0/0x1a0 [ 50.291349] ? wait_for_completion+0x41f/0x8a0 [ 50.295937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 50.301390] ? kasan_check_write+0x14/0x20 [ 50.305619] ? do_raw_spin_lock+0xc1/0x200 [ 50.309849] wait_for_completion+0x427/0x8a0 [ 50.314248] ? wait_for_completion_interruptible+0x840/0x840 [ 50.320035] ? wake_up_q+0x100/0x100 [ 50.323738] ? __lockdep_init_map+0x105/0x590 [ 50.328227] ? __init_waitqueue_head+0x9e/0x150 [ 50.332892] __wait_rcu_gp+0x265/0x360 [ 50.336775] synchronize_rcu.part.65+0x104/0x120 [ 50.341524] ? synchronize_rcu_expedited+0xb0/0xb0 [ 50.346446] ? __call_rcu.constprop.69+0xbc0/0xbc0 [ 50.351389] ? add_taint+0x29/0x70 [ 50.354924] ? map_update_elem+0x423/0xd50 [ 50.359161] ? ___might_sleep.cold.82+0x1c6/0x1f3 [ 50.363995] ? rcu_unexpedite_gp+0x20/0x20 [ 50.368242] ? __might_sleep+0x95/0x190 [ 50.372224] synchronize_rcu+0x27/0xa0 [ 50.376118] synchronize_net+0x4d/0x60 [ 50.379998] xsk_map_update_elem+0x2b0/0x470 [ 50.384397] ? xsk_map_lookup_elem+0x10/0x10 [ 50.388807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.394345] ? check_preemption_disabled+0x48/0x200 [ 50.399374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.404974] ? xsk_map_lookup_elem+0x10/0x10 [ 50.409404] map_update_elem+0x60c/0xd50 [ 50.413478] __x64_sys_bpf+0x32d/0x510 [ 50.417448] ? bpf_prog_get+0x20/0x20 [ 50.421251] do_syscall_64+0x1b9/0x820 [ 50.425131] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 50.430622] ? syscall_return_slowpath+0x5e0/0x5e0 [ 50.435550] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.440564] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 50.445582] ? recalc_sigpending_tsk+0x180/0x180 [ 50.450326] ? kasan_check_write+0x14/0x20 [ 50.454562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.459405] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.464588] RIP: 0033:0x457579 [ 50.467768] 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 [ 50.486804] RSP: 002b:00007fdbadfa8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 50.494576] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 [ 50.501885] RDX: 0000000000000020 RSI: 0000000020000100 RDI: 0000000000000002 [ 50.509195] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 50.516505] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdbadfa96d4 [ 50.523775] R13: 00000000004bd93a R14: 00000000004cc2b0 R15: 00000000ffffffff [ 50.532110] Kernel Offset: disabled [ 50.535744] Rebooting in 86400 seconds..