[ 34.911295] audit: type=1800 audit(1539000269.797:24): pid=5688 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="sudo" dev="sda1" ino=2454 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 35.392272] audit: type=1800 audit(1539000270.367:25): pid=5688 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 35.419469] audit: type=1800 audit(1539000270.367:26): pid=5688 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 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 '10.128.0.96' (ECDSA) to the list of known hosts. 2018/10/08 12:04:42 parsed 1 programs 2018/10/08 12:04:43 executed programs: 0 syzkaller login: [ 48.939544] IPVS: ftp: loaded support on port[0] = 21 [ 49.127319] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.133739] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.140879] device bridge_slave_0 entered promiscuous mode [ 49.155532] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.161888] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.168824] device bridge_slave_1 entered promiscuous mode [ 49.183254] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 49.198494] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.237733] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.255266] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.311552] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.318988] team0: Port device team_slave_0 added [ 49.332191] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.339580] team0: Port device team_slave_1 added [ 49.354442] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.371365] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.387471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.403083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.508939] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.515517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.522079] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.528469] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.908098] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 49.914471] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.953530] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.992626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.000576] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.035970] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.042043] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.074075] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.276292] BUG: sleeping function called from invalid context at net/core/dev.c:9010 [ 50.284455] in_atomic(): 1, irqs_disabled(): 0, pid: 6112, name: syz-executor0 [ 50.291812] INFO: lockdep is turned off. [ 50.295891] Preemption disabled at: [ 50.295911] [] map_update_elem+0x423/0xd50 [ 50.305364] CPU: 0 PID: 6112 Comm: syz-executor0 Not tainted 4.19.0-rc6+ #133 [ 50.312620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.321956] Call Trace: [ 50.324527] dump_stack+0x1c4/0x2b4 [ 50.328140] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.333328] ? vprintk_func+0x85/0x181 [ 50.337334] ? vprintk_func+0x85/0x181 [ 50.341313] ? map_update_elem+0x423/0xd50 [ 50.345545] ___might_sleep.cold.82+0x1ba/0x1f3 [ 50.350204] ? arch_local_save_flags+0x40/0x40 [ 50.354771] ? lock_downgrade+0x900/0x900 [ 50.358918] __might_sleep+0x95/0x190 [ 50.362713] synchronize_net+0x1d/0x60 [ 50.366615] xsk_map_update_elem+0x2b0/0x470 [ 50.371009] ? xsk_map_lookup_elem+0x10/0x10 [ 50.375468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.380996] ? check_preemption_disabled+0x48/0x200 [ 50.386016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.391580] ? xsk_map_lookup_elem+0x10/0x10 [ 50.395994] map_update_elem+0x60c/0xd50 [ 50.400051] __x64_sys_bpf+0x32d/0x510 [ 50.403939] ? bpf_prog_get+0x20/0x20 [ 50.407734] do_syscall_64+0x1b9/0x820 [ 50.411610] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 50.416977] ? syscall_return_slowpath+0x5e0/0x5e0 [ 50.421908] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.426915] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 50.431956] ? recalc_sigpending_tsk+0x180/0x180 [ 50.436722] ? kasan_check_write+0x14/0x20 [ 50.440963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.445825] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.451006] RIP: 0033:0x457579 [ 50.454187] 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 [ 50.473122] RSP: 002b:00007fac9e1cec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 50.480827] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 [ 50.488084] RDX: 0000000000000020 RSI: 0000000020000100 RDI: 0000000000000002 [ 50.495337] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 50.502592] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac9e1cf6d4 [ 50.509873] R13: 00000000004bd93a R14: 00000000004cc2b0 R15: 00000000ffffffff [ 50.517238] BUG: scheduling while atomic: syz-executor0/6112/0x00000002 [ 50.524026] INFO: lockdep is turned off. [ 50.528083] Modules linked in: [ 50.531256] Preemption disabled at: [ 50.531269] [] map_update_elem+0x423/0xd50 [ 50.540715] Kernel panic - not syncing: scheduling while atomic [ 50.540715] [ 50.548393] CPU: 0 PID: 6112 Comm: syz-executor0 Tainted: G W 4.19.0-rc6+ #133 [ 50.557045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.566389] Call Trace: [ 50.568988] dump_stack+0x1c4/0x2b4 [ 50.572604] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.577971] panic+0x238/0x4e7 [ 50.581152] ? add_taint.cold.5+0x16/0x16 [ 50.585288] ? trace_hardirqs_off+0xb8/0x310 [ 50.589795] ? vprintk_func+0x85/0x181 [ 50.593670] ? map_update_elem+0x423/0xd50 [ 50.597901] __schedule_bug.cold.84+0x11c/0x14d [ 50.602557] __schedule+0x1456/0x1ed0 [ 50.606341] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 50.611341] ? mark_held_locks+0x130/0x130 [ 50.615569] ? __sched_text_start+0x8/0x8 [ 50.619789] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.625322] ? irq_work_claim+0xac/0xd0 [ 50.629281] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 50.634807] ? irq_work_queue+0x36/0x1d0 [ 50.638869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.644397] ? wake_up_klogd+0x11a/0x180 [ 50.648438] ? console_device+0xc0/0xc0 [ 50.652405] ? vprintk_emit+0x322/0x930 [ 50.656358] ? __down_trylock_console_sem+0x155/0x200 [ 50.661529] ? debug_object_active_state+0x2f5/0x4d0 [ 50.666613] schedule+0xfe/0x460 [ 50.669963] ? __schedule+0x1ed0/0x1ed0 [ 50.673919] ? debug_object_active_state+0x2f5/0x4d0 [ 50.679125] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 50.684560] ? kasan_check_write+0x14/0x20 [ 50.688775] ? wait_for_completion+0x41f/0x8a0 [ 50.693350] schedule_timeout+0x1cc/0x260 [ 50.697481] ? usleep_range+0x1a0/0x1a0 [ 50.701438] ? wait_for_completion+0x41f/0x8a0 [ 50.706006] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 50.711437] ? kasan_check_write+0x14/0x20 [ 50.715653] ? do_raw_spin_lock+0xc1/0x200 [ 50.719886] wait_for_completion+0x427/0x8a0 [ 50.724284] ? wait_for_completion_interruptible+0x840/0x840 [ 50.730066] ? wake_up_q+0x100/0x100 [ 50.733758] ? __lockdep_init_map+0x105/0x590 [ 50.738249] ? __init_waitqueue_head+0x9e/0x150 [ 50.742928] __wait_rcu_gp+0x265/0x360 [ 50.746801] synchronize_rcu.part.65+0x104/0x120 [ 50.751570] ? synchronize_rcu_expedited+0xb0/0xb0 [ 50.756496] ? __call_rcu.constprop.69+0xbc0/0xbc0 [ 50.761403] ? add_taint+0x29/0x70 [ 50.764927] ? map_update_elem+0x423/0xd50 [ 50.769145] ? ___might_sleep.cold.82+0x1c6/0x1f3 [ 50.773972] ? rcu_unexpedite_gp+0x20/0x20 [ 50.778200] ? __might_sleep+0x95/0x190 [ 50.782159] synchronize_rcu+0x27/0xa0 [ 50.786034] synchronize_net+0x4d/0x60 [ 50.789906] xsk_map_update_elem+0x2b0/0x470 [ 50.794297] ? xsk_map_lookup_elem+0x10/0x10 [ 50.798691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.804275] ? check_preemption_disabled+0x48/0x200 [ 50.809282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.814875] ? xsk_map_lookup_elem+0x10/0x10 [ 50.819386] map_update_elem+0x60c/0xd50 [ 50.823433] __x64_sys_bpf+0x32d/0x510 [ 50.827301] ? bpf_prog_get+0x20/0x20 [ 50.831090] do_syscall_64+0x1b9/0x820 [ 50.834959] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 50.840303] ? syscall_return_slowpath+0x5e0/0x5e0 [ 50.845215] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.850216] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 50.855282] ? recalc_sigpending_tsk+0x180/0x180 [ 50.860028] ? kasan_check_write+0x14/0x20 [ 50.864252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.869145] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.874320] RIP: 0033:0x457579 [ 50.877501] 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 [ 50.896446] RSP: 002b:00007fac9e1cec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 50.904156] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 [ 50.911500] RDX: 0000000000000020 RSI: 0000000020000100 RDI: 0000000000000002 [ 50.918798] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 50.926057] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac9e1cf6d4 [ 50.933306] R13: 00000000004bd93a R14: 00000000004cc2b0 R15: 00000000ffffffff [ 50.941447] Kernel Offset: disabled [ 50.945070] Rebooting in 86400 seconds..