Warning: Permanently added '10.128.0.121' (ECDSA) to the list of known hosts. [ 435.373301][ T27] audit: type=1400 audit(1581147440.165:42): avc: denied { map } for pid=10651 comm="syz-executor816" path="/root/syz-executor816082184" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 435.403736][T10652] IPVS: ftp: loaded support on port[0] = 21 [ 435.432270][ T27] audit: type=1400 audit(1581147440.225:43): avc: denied { create } for pid=10652 comm="syz-executor816" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 435.457506][ T27] audit: type=1400 audit(1581147440.225:44): avc: denied { write } for pid=10652 comm="syz-executor816" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 435.483388][ T27] audit: type=1400 audit(1581147440.225:45): avc: denied { read } for pid=10652 comm="syz-executor816" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 435.509820][T10652] chnl_net:caif_netlink_parms(): no params data found [ 435.546389][T10652] bridge0: port 1(bridge_slave_0) entered blocking state [ 435.554074][T10652] bridge0: port 1(bridge_slave_0) entered disabled state [ 435.562154][T10652] device bridge_slave_0 entered promiscuous mode [ 435.571787][T10652] bridge0: port 2(bridge_slave_1) entered blocking state [ 435.579107][T10652] bridge0: port 2(bridge_slave_1) entered disabled state [ 435.587540][T10652] device bridge_slave_1 entered promiscuous mode [ 435.607049][T10652] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 435.618637][T10652] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 435.641267][T10652] team0: Port device team_slave_0 added [ 435.649678][T10652] team0: Port device team_slave_1 added [ 435.666019][T10652] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 435.673159][T10652] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 435.700043][T10652] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 435.714029][T10652] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 435.721347][T10652] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 435.747614][T10652] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 435.822941][T10652] device hsr_slave_0 entered promiscuous mode [ 435.860717][T10652] device hsr_slave_1 entered promiscuous mode [ 435.982754][T10652] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 436.043696][T10652] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 436.113952][T10652] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 436.173037][T10652] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 436.225419][T10652] bridge0: port 2(bridge_slave_1) entered blocking state [ 436.232913][T10652] bridge0: port 2(bridge_slave_1) entered forwarding state [ 436.240925][T10652] bridge0: port 1(bridge_slave_0) entered blocking state [ 436.248202][T10652] bridge0: port 1(bridge_slave_0) entered forwarding state [ 436.302644][T10652] 8021q: adding VLAN 0 to HW filter on device bond0 [ 436.317225][ T3256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 436.338870][ T3256] bridge0: port 1(bridge_slave_0) entered disabled state [ 436.357553][ T3256] bridge0: port 2(bridge_slave_1) entered disabled state [ 436.366171][ T3256] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 436.379720][T10652] 8021q: adding VLAN 0 to HW filter on device team0 [ 436.393698][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 436.402988][ T2711] bridge0: port 1(bridge_slave_0) entered blocking state [ 436.410079][ T2711] bridge0: port 1(bridge_slave_0) entered forwarding state [ 436.430678][ T3256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 436.439163][ T3256] bridge0: port 2(bridge_slave_1) entered blocking state [ 436.446541][ T3256] bridge0: port 2(bridge_slave_1) entered forwarding state [ 436.458908][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 436.469360][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 436.484133][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 436.496235][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 436.507119][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 436.522681][T10652] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 436.534793][T10652] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 436.542780][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 436.553583][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 436.574158][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 436.582208][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 436.597456][T10652] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 436.620513][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 436.629625][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 436.653688][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 436.663892][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 436.672824][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 436.681301][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 436.693962][T10652] device veth0_vlan entered promiscuous mode [ 436.708930][T10652] device veth1_vlan entered promiscuous mode [ 436.736115][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 436.745205][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 436.754227][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 436.764278][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 436.777874][T10652] device veth0_macvtap entered promiscuous mode [ 436.792361][T10652] device veth1_macvtap entered promiscuous mode [ 436.814236][T10652] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 436.823934][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 436.832563][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 436.841933][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 436.851325][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 436.865491][T10652] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 436.873942][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 436.885106][ T3257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 441.998949][T10652] xt_CT: You must specify a L4 protocol and not use inversions on it [ 445.672923][ T0] NOHZ: local_softirq_pending 08 [ 507.101680][ T0] NOHZ: local_softirq_pending 08 [ 568.541773][ T0] NOHZ: local_softirq_pending 08 [ 589.660488][ T1134] INFO: task syz-executor816:10652 blocked for more than 143 seconds. [ 589.669246][ T1134] Not tainted 5.5.0-syzkaller #0 [ 589.678489][ T1134] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 589.687641][ T1134] syz-executor816 D23984 10652 10651 0x00004002 [ 589.695737][ T1134] Call Trace: [ 589.699190][ T1134] __schedule+0x934/0x1f90 [ 589.704044][ T1134] ? __sched_text_start+0x8/0x8 [ 589.708964][ T1134] ? __lock_acquire+0x29c9/0x4a00 [ 589.715734][ T1134] schedule+0xdc/0x2b0 [ 589.719833][ T1134] schedule_timeout+0x717/0xc50 [ 589.725314][ T1134] ? __kasan_check_read+0x11/0x20 [ 589.731940][ T1134] ? usleep_range+0x170/0x170 [ 589.736646][ T1134] ? mark_held_locks+0xa4/0xf0 [ 589.741990][ T1134] ? _raw_spin_unlock_irq+0x23/0x80 [ 589.747215][ T1134] ? wait_for_completion+0x294/0x440 [ 589.754078][ T1134] ? _raw_spin_unlock_irq+0x23/0x80 [ 589.759318][ T1134] ? lockdep_hardirqs_on+0x421/0x5e0 [ 589.765182][ T1134] ? trace_hardirqs_on+0x67/0x240 [ 589.771911][ T1134] wait_for_completion+0x29c/0x440 [ 589.777076][ T1134] ? wait_for_completion_interruptible+0x470/0x470 [ 589.784263][ T1134] ? wake_up_q+0x140/0x140 [ 589.788720][ T1134] ? lockdep_hardirqs_on+0x421/0x5e0 [ 589.795551][ T1134] ? __kasan_check_read+0x11/0x20 [ 589.803353][ T1134] __flush_work+0x4fe/0xa50 [ 589.807883][ T1134] ? queue_delayed_work_on+0x210/0x210 [ 589.815226][ T1134] ? init_pwq+0x360/0x360 [ 589.819626][ T1134] ? __cancel_work_timer+0xc4/0x540 [ 589.825262][ T1134] ? __cancel_work_timer+0x1e0/0x540 [ 589.832182][ T1134] ? cancel_delayed_work_sync+0x1b/0x20 [ 589.837769][ T1134] ? __cancel_work_timer+0x1e0/0x540 [ 589.843562][ T1134] ? lockdep_hardirqs_on+0x421/0x5e0 [ 589.848977][ T1134] ? trace_hardirqs_on+0x67/0x240 [ 589.855919][ T1134] __cancel_work_timer+0x3d9/0x540 [ 589.861474][ T1134] ? mutex_trylock+0x2d0/0x2d0 [ 589.866257][ T1134] ? mod_delayed_work_on+0x200/0x200 [ 589.873392][ T1134] ? __kasan_check_write+0x14/0x20 [ 589.878647][ T1134] ? xt_ct_tg_check_v1+0x7c/0xa0 [ 589.884003][ T1134] ? xt_ct_tg_check_v2+0xa0/0xa0 [ 589.889228][ T1134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 589.897175][ T1134] cancel_delayed_work_sync+0x1b/0x20 [ 589.902991][ T1134] htable_put+0x15f/0x220 [ 589.907352][ T1134] ? htable_put+0x220/0x220 [ 589.913573][ T1134] hashlimit_mt_destroy+0x56/0x70 [ 589.919083][ T1134] cleanup_match+0xde/0x170 [ 589.924080][ T1134] ? icmp_checkentry+0xa0/0xa0 [ 589.928881][ T1134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 589.936738][ T1134] find_check_entry.isra.0+0x454/0x920 [ 589.942656][ T1134] ? ipt_do_table+0x1b80/0x1b80 [ 589.947566][ T1134] ? lockdep_hardirqs_on+0x421/0x5e0 [ 589.955036][ T1134] ? kvfree+0x4a/0x60 [ 589.959076][ T1134] translate_table+0xcb4/0x17d0 [ 589.964433][ T1134] ? compat_do_ipt_get_ctl+0x910/0x910 [ 589.970040][ T1134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 589.978480][ T1134] ? _copy_from_user+0x12c/0x1a0 [ 589.984014][ T1134] do_ipt_set_ctl+0x2fe/0x4c2 [ 589.988714][ T1134] ? compat_do_ipt_set_ctl+0x170/0x170 [ 589.996110][ T1134] ? mutex_unlock+0xd/0x10 [ 590.001101][ T1134] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 590.007120][ T1134] nf_setsockopt+0x77/0xd0 [ 590.013186][ T1134] ip_setsockopt+0xdf/0x100 [ 590.017774][ T1134] tcp_setsockopt+0x8f/0xe0 [ 590.022799][ T1134] sock_common_setsockopt+0x94/0xd0 [ 590.028100][ T1134] __sys_setsockopt+0x261/0x4c0 [ 590.034616][ T1134] ? sock_create_kern+0x50/0x50 [ 590.039567][ T1134] ? up_read+0x1cd/0x810 [ 590.044282][ T1134] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 590.053820][ T1134] ? do_syscall_64+0x26/0x790 [ 590.058535][ T1134] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 590.065103][ T1134] ? do_syscall_64+0x26/0x790 [ 590.069806][ T1134] __x64_sys_setsockopt+0xbe/0x150 [ 590.077061][ T1134] do_syscall_64+0xfa/0x790 [ 590.082142][ T1134] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 590.088194][ T1134] RIP: 0033:0x4464a9 [ 590.093671][ T1134] Code: 20 61 74 20 25 73 3a 25 64 2c 20 74 68 72 65 61 64 20 25 73 0a 00 00 00 00 25 31 30 2e 31 30 6c 64 20 74 69 6d 65 73 20 63 61 <6c> 6c 65 64 3a 20 25 73 3a 25 64 3a 25 73 0a 00 00 00 00 00 00 00 [ 590.116430][ T1134] RSP: 002b:00007ffdecc61778 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 590.125525][ T1134] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004464a9 [ 590.135272][ T1134] RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 [ 590.143646][ T1134] RBP: 0000000000000003 R08: 00000000000003e0 R09: 0000000000000003 [ 590.153390][ T1134] R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000004 [ 590.161891][ T1134] R13: 00000000004077d0 R14: 0000000000000000 R15: 0000000000000000 [ 590.173201][ T1134] [ 590.173201][ T1134] Showing all locks held in the system: [ 590.182409][ T1134] 1 lock held by khungtaskd/1134: [ 590.187540][ T1134] #0: ffffffff89bac200 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 590.198589][ T1134] 2 locks held by kworker/1:7/2711: [ 590.204267][ T1134] 1 lock held by rsyslogd/10501: [ 590.209206][ T1134] #0: ffff888093e7a120 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 590.219511][ T1134] 2 locks held by getty/10623: [ 590.224715][ T1134] #0: ffff8880a9a6e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 590.235355][ T1134] #1: ffffc9000180b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 590.245460][ T1134] 2 locks held by getty/10624: [ 590.251782][ T1134] #0: ffff8880a6f3f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 590.261367][ T1134] #1: ffffc9000185b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 590.272407][ T1134] 2 locks held by getty/10625: [ 590.277173][ T1134] #0: ffff8880a272a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 590.286636][ T1134] #1: ffffc9000186b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 590.297966][ T1134] 2 locks held by getty/10626: [ 590.303216][ T1134] #0: ffff88809d06a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 590.313665][ T1134] #1: ffffc9000183b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 590.323684][ T1134] 2 locks held by getty/10627: [ 590.328467][ T1134] #0: ffff8880a4404090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 590.339048][ T1134] #1: ffffc9000187b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 590.349010][ T1134] 2 locks held by getty/10628: [ 590.355408][ T1134] #0: ffff8880a90d9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 590.364956][ T1134] #1: ffffc9000184b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 590.376271][ T1134] 2 locks held by getty/10629: [ 590.381582][ T1134] #0: ffff8880a2c6e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 590.392126][ T1134] #1: ffffc900017b32e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 590.402280][ T1134] 1 lock held by syz-executor816/10652: [ 590.407835][ T1134] #0: ffffffff8a7cb060 (hashlimit_mutex){+.+.}, at: htable_put+0x21/0x220 [ 590.418084][ T1134] [ 590.420804][ T1134] ============================================= [ 590.420804][ T1134] [ 590.429327][ T1134] NMI backtrace for cpu 0 [ 590.433823][ T1134] CPU: 0 PID: 1134 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 590.442506][ T1134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 590.453380][ T1134] Call Trace: [ 590.456763][ T1134] dump_stack+0x197/0x210 [ 590.461128][ T1134] nmi_cpu_backtrace.cold+0x70/0xb2 [ 590.466526][ T1134] ? vprintk_func+0x86/0x189 [ 590.471201][ T1134] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 590.477306][ T1134] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 590.483313][ T1134] arch_trigger_cpumask_backtrace+0x14/0x20 [ 590.489341][ T1134] watchdog+0xb11/0x10c0 [ 590.493610][ T1134] kthread+0x361/0x430 [ 590.497717][ T1134] ? reset_hung_task_detector+0x30/0x30 [ 590.503636][ T1134] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 590.509372][ T1134] ret_from_fork+0x24/0x30 [ 590.513972][ T1134] Sending NMI from CPU 0 to CPUs 1: [ 590.520005][ C1] NMI backtrace for cpu 1 [ 590.520012][ C1] CPU: 1 PID: 2711 Comm: kworker/1:7 Not tainted 5.5.0-syzkaller #0 [ 590.520019][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 590.520023][ C1] Workqueue: events_power_efficient htable_gc [ 590.520030][ C1] RIP: 0010:mark_lock+0xb5/0x1220 [ 590.520043][ C1] Code: 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 8d 0e 00 00 41 0f b7 5d 20 66 81 e3 ff 1f 0f b7 db be 08 00 00 00 48 89 d8 48 c1 f8 06 <48> 8d 3c c5 60 0b 51 8b e8 ce 45 59 00 48 0f a3 1d 56 64 f6 09 0f [ 590.520047][ C1] RSP: 0018:ffffc900081afb68 EFLAGS: 00000002 [ 590.520055][ C1] RAX: 0000000000000007 RBX: 00000000000001d2 RCX: 0000000000000000 [ 590.520060][ C1] RDX: 1ffff1101403294f RSI: 0000000000000008 RDI: ffff8880a01941c0 [ 590.520066][ C1] RBP: ffffc900081afbb8 R08: ffff8880a01941c0 R09: 0000000000000000 [ 590.520071][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002 [ 590.520077][ C1] R13: ffff8880a0194a58 R14: dffffc0000000000 R15: ffff8880a0194a58 [ 590.520083][ C1] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 590.520087][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 590.520093][ C1] CR2: 0000000000445828 CR3: 000000009f37d000 CR4: 00000000001406e0 [ 590.520098][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 590.520103][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 590.520106][ C1] Call Trace: [ 590.520110][ C1] ? find_held_lock+0x35/0x130 [ 590.520113][ C1] mark_held_locks+0xa4/0xf0 [ 590.520117][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 590.520121][ C1] ? _raw_spin_unlock_bh+0x2c/0x30 [ 590.520125][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 590.520128][ C1] lockdep_hardirqs_on+0x19e/0x5e0 [ 590.520132][ C1] ? htable_selective_cleanup+0x232/0x340 [ 590.520137][ C1] trace_hardirqs_on+0x67/0x240 [ 590.520141][ C1] ? htable_selective_cleanup+0x232/0x340 [ 590.520145][ C1] __local_bh_enable_ip+0x15a/0x270 [ 590.520149][ C1] _raw_spin_unlock_bh+0x2c/0x30 [ 590.520152][ C1] htable_selective_cleanup+0x232/0x340 [ 590.520157][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 590.520160][ C1] ? trace_hardirqs_on+0x67/0x240 [ 590.520163][ C1] htable_gc+0x21/0xb0 [ 590.520167][ C1] process_one_work+0xa05/0x17a0 [ 590.520171][ C1] ? mark_held_locks+0xf0/0xf0 [ 590.520179][ C1] ? pwq_dec_nr_in_flight+0x320/0x320 [ 590.520182][ C1] ? lock_acquire+0x190/0x410 [ 590.520186][ C1] worker_thread+0x98/0xe40 [ 590.520189][ C1] kthread+0x361/0x430 [ 590.520192][ C1] ? process_one_work+0x17a0/0x17a0 [ 590.520196][ C1] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 590.520202][ C1] ret_from_fork+0x24/0x30 [ 590.522303][ T1134] Kernel panic - not syncing: hung_task: blocked tasks [ 590.792547][ T1134] CPU: 0 PID: 1134 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 590.800445][ T1134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 590.810564][ T1134] Call Trace: [ 590.813881][ T1134] dump_stack+0x197/0x210 [ 590.818303][ T1134] panic+0x2e3/0x75c [ 590.822219][ T1134] ? add_taint.cold+0x16/0x16 [ 590.826918][ T1134] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 590.832581][ T1134] ? ___preempt_schedule+0x16/0x18 [ 590.837731][ T1134] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 590.843912][ T1134] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 590.850173][ T1134] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 590.856357][ T1134] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 590.862551][ T1134] watchdog+0xb22/0x10c0 [ 590.866922][ T1134] kthread+0x361/0x430 [ 590.871038][ T1134] ? reset_hung_task_detector+0x30/0x30 [ 590.876602][ T1134] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 590.882353][ T1134] ret_from_fork+0x24/0x30 [ 590.888907][ T1134] Kernel Offset: disabled [ 590.893268][ T1134] Rebooting in 86400 seconds..