Warning: Permanently added '10.128.1.120' (ECDSA) to the list of known hosts. 2021/07/17 17:03:13 parsed 1 programs 2021/07/17 17:03:14 executed programs: 0 syzkaller login: [ 1581.452559][ T37] audit: type=1400 audit(1626541394.174:8): avc: denied { execmem } for pid=8471 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 1582.796085][ T8472] chnl_net:caif_netlink_parms(): no params data found [ 1582.907682][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 1582.918814][ T8472] bridge0: port 1(bridge_slave_0) entered disabled state [ 1582.928942][ T8472] device bridge_slave_0 entered promiscuous mode [ 1582.941454][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 1582.948821][ T8472] bridge0: port 2(bridge_slave_1) entered disabled state [ 1582.959236][ T8472] device bridge_slave_1 entered promiscuous mode [ 1582.987846][ T8472] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1583.001731][ T8472] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1583.032841][ T8472] team0: Port device team_slave_0 added [ 1583.042271][ T8472] team0: Port device team_slave_1 added [ 1583.069834][ T8472] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1583.078351][ T8472] 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. [ 1583.106496][ T8472] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1583.121548][ T8472] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1583.129142][ T8472] 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. [ 1583.155265][ T8472] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1583.185935][ T8472] device hsr_slave_0 entered promiscuous mode [ 1583.193834][ T8472] device hsr_slave_1 entered promiscuous mode [ 1583.327304][ T8472] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1583.339717][ T8472] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1583.351541][ T8472] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1583.363959][ T8472] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1583.400060][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 1583.407778][ T8472] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1583.416220][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 1583.423513][ T8472] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1583.474799][ T8472] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1583.489643][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1583.506939][ T2949] bridge0: port 1(bridge_slave_0) entered disabled state [ 1583.517862][ T2949] bridge0: port 2(bridge_slave_1) entered disabled state [ 1583.527629][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1583.543313][ T8472] 8021q: adding VLAN 0 to HW filter on device team0 [ 1583.556828][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1583.565802][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 1583.573072][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1583.594350][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1583.603246][ T8697] bridge0: port 2(bridge_slave_1) entered blocking state [ 1583.610308][ T8697] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1583.629054][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1583.637917][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1583.654279][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1583.672256][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1583.683130][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1583.684843][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1583.711216][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1583.718716][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1583.735589][ T8472] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1583.761553][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1583.782035][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1583.791968][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1583.803959][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1583.812004][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1583.823531][ T8472] device veth0_vlan entered promiscuous mode [ 1583.840665][ T8472] device veth1_vlan entered promiscuous mode [ 1583.866524][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1583.875136][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1583.886914][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1583.898615][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1583.914068][ T8472] device veth0_macvtap entered promiscuous mode [ 1583.926455][ T8472] device veth1_macvtap entered promiscuous mode [ 1583.947103][ T8472] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1583.955035][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1583.964993][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1583.973889][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1583.983857][ T8697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1583.999754][ T8472] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1584.007464][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1584.016814][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1584.029928][ T8472] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1584.040849][ T8472] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1584.049682][ T8472] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1584.061425][ T8472] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1584.188436][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1584.198630][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1584.234383][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1584.255785][ T58] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1584.265799][ T58] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1584.276934][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1584.632503][ T3160] Bluetooth: hci0: command 0x0409 tx timeout [ 1586.711037][ T3160] Bluetooth: hci0: command 0x041b tx timeout 2021/07/17 17:03:19 executed programs: 3 [ 1588.791629][ T8697] Bluetooth: hci0: command 0x040f tx timeout [ 1590.870411][ T8697] Bluetooth: hci0: command 0x0419 tx timeout 2021/07/17 17:03:25 executed programs: 9 2021/07/17 17:03:30 executed programs: 15 2021/07/17 17:03:36 executed programs: 21 [ 1607.431096][ T3254] ieee802154 phy0 wpan0: encryption failed: -22 [ 1607.437705][ T3254] ieee802154 phy1 wpan1: encryption failed: -22 2021/07/17 17:03:41 executed programs: 27 2021/07/17 17:03:47 executed programs: 33 2021/07/17 17:03:52 executed programs: 39 2021/07/17 17:03:58 executed programs: 45 2021/07/17 17:04:03 executed programs: 51 2021/07/17 17:04:08 executed programs: 57 2021/07/17 17:04:14 executed programs: 63 2021/07/17 17:04:19 executed programs: 69 2021/07/17 17:04:25 executed programs: 75 2021/07/17 17:04:30 executed programs: 81 2021/07/17 17:04:36 executed programs: 87 [ 1668.866978][ T3254] ieee802154 phy0 wpan0: encryption failed: -22 [ 1668.873335][ T3254] ieee802154 phy1 wpan1: encryption failed: -22 2021/07/17 17:04:41 executed programs: 93 2021/07/17 17:04:47 executed programs: 99 2021/07/17 17:04:52 executed programs: 105 2021/07/17 17:04:58 executed programs: 111 2021/07/17 17:05:03 executed programs: 117 2021/07/17 17:05:09 executed programs: 123 2021/07/17 17:05:14 executed programs: 129 [ 1706.784011][ T8698] Bluetooth: hci0: command 0x0406 tx timeout 2021/07/17 17:05:20 executed programs: 135 2021/07/17 17:05:25 executed programs: 141 2021/07/17 17:05:30 executed programs: 147 2021/07/17 17:05:36 executed programs: 153 2021/07/17 17:05:41 executed programs: 159 [ 1730.303521][ T3254] ieee802154 phy0 wpan0: encryption failed: -22 [ 1730.310017][ T3254] ieee802154 phy1 wpan1: encryption failed: -22 2021/07/17 17:05:47 executed programs: 165 2021/07/17 17:05:52 executed programs: 171 2021/07/17 17:05:58 executed programs: 177 2021/07/17 17:06:03 executed programs: 183 2021/07/17 17:06:09 executed programs: 189 2021/07/17 17:06:14 executed programs: 195 [ 1791.741236][ T3254] ieee802154 phy0 wpan0: encryption failed: -22 [ 1791.747690][ T3254] ieee802154 phy1 wpan1: encryption failed: -22 [ 1853.177596][ T3254] ieee802154 phy0 wpan0: encryption failed: -22 [ 1853.184226][ T3254] ieee802154 phy1 wpan1: encryption failed: -22 [ 1908.853194][ T1638] INFO: task syz-executor.0:10107 blocked for more than 143 seconds. [ 1908.861516][ T1638] Not tainted 5.14.0-rc1-syzkaller #0 [ 1908.868882][ T1638] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1908.877991][ T1638] task:syz-executor.0 state:D stack:27920 pid:10107 ppid: 8472 flags:0x00004004 [ 1908.888644][ T1638] Call Trace: [ 1908.891954][ T1638] __schedule+0x93a/0x26f0 [ 1908.896798][ T1638] ? io_schedule_timeout+0x140/0x140 [ 1908.902127][ T1638] schedule+0xd3/0x270 [ 1908.907652][ T1638] schedule_timeout+0x1db/0x2a0 [ 1908.912701][ T1638] ? usleep_range+0x170/0x170 [ 1908.917410][ T1638] ? wait_for_completion+0x16e/0x280 [ 1908.925912][ T1638] ? lock_downgrade+0x6e0/0x6e0 [ 1908.930879][ T1638] ? do_raw_spin_lock+0x120/0x2b0 [ 1908.936068][ T1638] ? rwlock_bug.part.0+0x90/0x90 [ 1908.941046][ T1638] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1908.947845][ T1638] wait_for_completion+0x176/0x280 [ 1908.953268][ T1638] ? __flush_work+0x4e0/0xad0 [ 1908.958474][ T1638] ? bit_wait_io_timeout+0x160/0x160 [ 1908.964571][ T1638] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1908.969841][ T1638] __flush_work+0x50e/0xad0 [ 1908.975100][ T1638] ? queue_delayed_work_on+0x120/0x120 [ 1908.980612][ T1638] ? __flush_work+0x815/0xad0 [ 1908.986468][ T1638] ? flush_workqueue_prep_pwqs+0x510/0x510 [ 1908.992333][ T1638] ? try_to_grab_pending+0xbd/0xd0 [ 1908.997740][ T1638] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1909.004604][ T1638] __cancel_work_timer+0x3f9/0x570 [ 1909.009941][ T1638] ? try_to_grab_pending+0xd0/0xd0 [ 1909.016187][ T1638] ? p9_fd_close+0x280/0x520 [ 1909.020852][ T1638] ? lock_downgrade+0x6e0/0x6e0 [ 1909.026825][ T1638] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1909.033386][ T1638] p9_fd_close+0x305/0x520 [ 1909.037852][ T1638] ? p9_client_create+0xa46/0x1110 [ 1909.044293][ T1638] p9_client_create+0x95a/0x1110 [ 1909.049275][ T1638] ? p9_client_flush+0x430/0x430 [ 1909.054674][ T1638] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1909.060171][ T1638] ? trace_kmalloc+0x32/0xf0 [ 1909.065637][ T1638] ? __kmalloc_track_caller+0x229/0x4d0 [ 1909.071218][ T1638] ? __raw_spin_lock_init+0x36/0x110 [ 1909.077030][ T1638] v9fs_session_init+0x1dd/0x17b0 [ 1909.082175][ T1638] ? find_held_lock+0x2d/0x110 [ 1909.087838][ T1638] ? v9fs_show_options+0x780/0x780 [ 1909.093616][ T1638] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1909.099646][ T1638] ? trace_kmalloc+0x32/0xf0 [ 1909.104774][ T1638] ? kmem_cache_alloc_trace+0x1fd/0x480 [ 1909.110441][ T1638] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1909.116530][ T1638] v9fs_mount+0x79/0x9c0 [ 1909.120797][ T1638] ? v9fs_write_inode+0x60/0x60 [ 1909.126115][ T1638] legacy_get_tree+0x105/0x220 [ 1909.131075][ T1638] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1909.137860][ T1638] vfs_get_tree+0x89/0x2f0 [ 1909.142384][ T1638] path_mount+0x132a/0x1fa0 [ 1909.147709][ T1638] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1909.154456][ T1638] ? strncpy_from_user+0x2a0/0x3e0 [ 1909.160055][ T1638] ? finish_automount+0xaf0/0xaf0 [ 1909.165724][ T1638] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1909.172279][ T1638] ? getname_flags.part.0+0x1dd/0x4f0 [ 1909.178566][ T1638] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1909.185185][ T1638] __x64_sys_mount+0x27f/0x300 [ 1909.190053][ T1638] ? copy_mnt_ns+0xae0/0xae0 [ 1909.195752][ T1638] ? syscall_enter_from_user_mode+0x21/0x70 [ 1909.201996][ T1638] do_syscall_64+0x35/0xb0 [ 1909.206586][ T1638] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1909.213231][ T1638] RIP: 0033:0x4665d9 [ 1909.217668][ T1638] RSP: 002b:00007f8723cdb188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1909.228458][ T1638] RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9 [ 1909.238594][ T1638] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000000000000 [ 1909.248447][ T1638] RBP: 00000000004bfcb9 R08: 0000000020000580 R09: 0000000000000000 [ 1909.257378][ T1638] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8 [ 1909.267429][ T1638] R13: 00007ffda16bba8f R14: 00007f8723cdb300 R15: 0000000000022000 [ 1909.276526][ T1638] [ 1909.276526][ T1638] Showing all locks held in the system: [ 1909.286296][ T1638] 1 lock held by khungtaskd/1638: [ 1909.291352][ T1638] #0: ffffffff8b978f80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 1909.301955][ T1638] 2 locks held by in:imklog/8138: [ 1909.307982][ T1638] #0: ffff888020cf43f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 1909.318703][ T1638] #1: ffff8880b9c51b98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x233/0x26f0 [ 1909.327911][ T1638] 2 locks held by kworker/1:4/8694: [ 1909.333283][ T1638] #0: ffff888010867d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1630 [ 1909.344091][ T1638] #1: ffffc90002327db0 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1630 [ 1909.356501][ T1638] 5 locks held by kworker/u4:4/9291: [ 1909.362062][ T1638] [ 1909.365401][ T1638] ============================================= [ 1909.365401][ T1638] [ 1909.374132][ T1638] NMI backtrace for cpu 1 [ 1909.378488][ T1638] CPU: 1 PID: 1638 Comm: khungtaskd Not tainted 5.14.0-rc1-syzkaller #0 [ 1909.386947][ T1638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1909.397407][ T1638] Call Trace: [ 1909.400823][ T1638] dump_stack_lvl+0xcd/0x134 [ 1909.405794][ T1638] nmi_cpu_backtrace.cold+0x44/0xd7 [ 1909.411958][ T1638] ? lapic_can_unplug_cpu+0x80/0x80 [ 1909.417348][ T1638] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 1909.423379][ T1638] watchdog+0xd0a/0xfc0 [ 1909.427683][ T1638] ? reset_hung_task_detector+0x30/0x30 [ 1909.433249][ T1638] kthread+0x3e5/0x4d0 [ 1909.437328][ T1638] ? set_kthread_struct+0x130/0x130 [ 1909.442532][ T1638] ret_from_fork+0x1f/0x30 [ 1909.447254][ T1638] Sending NMI from CPU 1 to CPUs 0: [ 1909.453502][ C0] NMI backtrace for cpu 0 [ 1909.453515][ C0] CPU: 0 PID: 4841 Comm: systemd-journal Not tainted 5.14.0-rc1-syzkaller #0 [ 1909.453525][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1909.453533][ C0] RIP: 0010:in_lock_functions+0x0/0x20 [ 1909.453544][ C0] Code: c7 e0 94 ed 8e e8 e0 e4 5f 00 eb 80 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <31> c0 48 81 ff 18 81 2c 89 72 0c 31 c0 48 81 ff 61 8b 2c 89 0f 92 [ 1909.453559][ C0] RSP: 0018:ffffc90001a375c0 EFLAGS: 00000246 [ 1909.453571][ C0] RAX: 0000000000000001 RBX: ffffffff81336a80 RCX: 1ffffffff20446ec [ 1909.453578][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81336a80 [ 1909.453585][ C0] RBP: 0000000000000001 R08: ffffffff8e123976 R09: 0000000000000001 [ 1909.453592][ C0] R10: fffff52000346ee2 R11: 0000000000086088 R12: ffffc90001a37700 [ 1909.453599][ C0] R13: 0000000000000000 R14: ffffc90001a376b8 R15: 0000000000000001 [ 1909.453606][ C0] FS: 00007f483f6778c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 1909.453613][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1909.453619][ C0] CR2: 00007f483ca6c020 CR3: 000000001299e000 CR4: 00000000001506f0 [ 1909.453627][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1909.453633][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1909.453639][ C0] Call Trace: [ 1909.453643][ C0] preempt_count_add+0x74/0x140 [ 1909.453647][ C0] unwind_next_frame+0x120/0x1ce0 [ 1909.453652][ C0] ? __alloc_file+0xd8/0x280 [ 1909.453656][ C0] ? deref_stack_reg+0x150/0x150 [ 1909.453661][ C0] ? __unwind_start+0x51b/0x800 [ 1909.453665][ C0] ? create_prof_cpu_mask+0x20/0x20 [ 1909.453670][ C0] arch_stack_walk+0x7d/0xe0 [ 1909.453674][ C0] ? __alloc_file+0xd8/0x280 [ 1909.453679][ C0] stack_trace_save+0x8c/0xc0 [ 1909.453685][ C0] ? stack_trace_consume_entry+0x160/0x160 [ 1909.453690][ C0] ? __lock_acquire+0x162f/0x54a0 [ 1909.453695][ C0] kasan_save_stack+0x1b/0x40 [ 1909.453699][ C0] ? kasan_save_stack+0x1b/0x40 [ 1909.453704][ C0] ? __kasan_slab_alloc+0x81/0xa0 [ 1909.453708][ C0] ? kmem_cache_alloc+0x25f/0x540 [ 1909.453713][ C0] ? security_file_alloc+0x34/0x170 [ 1909.453718][ C0] ? __alloc_file+0xd8/0x280 [ 1909.453722][ C0] ? path_openat+0xde/0x27f0 [ 1909.453726][ C0] ? do_filp_open+0x1aa/0x400 [ 1909.453731][ C0] ? do_sys_openat2+0x16d/0x420 [ 1909.453736][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1909.453741][ C0] ? find_held_lock+0x2d/0x110 [ 1909.453746][ C0] ? fs_reclaim_release+0x9c/0xf0 [ 1909.453751][ C0] ? kasan_unpoison+0x3c/0x60 [ 1909.453756][ C0] __kasan_slab_alloc+0x81/0xa0 [ 1909.453760][ C0] kmem_cache_alloc+0x25f/0x540 [ 1909.453765][ C0] security_file_alloc+0x34/0x170 [ 1909.453769][ C0] __alloc_file+0xd8/0x280 [ 1909.453774][ C0] alloc_empty_file+0x6d/0x170 [ 1909.453778][ C0] path_openat+0xde/0x27f0 [ 1909.453783][ C0] ? __lock_acquire+0x162f/0x54a0 [ 1909.453787][ C0] ? path_lookupat+0x860/0x860 [ 1909.453792][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1909.453797][ C0] do_filp_open+0x1aa/0x400 [ 1909.453801][ C0] ? may_open_dev+0xf0/0xf0 [ 1909.453806][ C0] ? alloc_fd+0x2f0/0x670 [ 1909.453810][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 1909.453814][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 1909.453819][ C0] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1909.453824][ C0] ? _find_next_bit+0x1e3/0x260 [ 1909.453829][ C0] ? _raw_spin_unlock+0x24/0x40 [ 1909.453834][ C0] ? alloc_fd+0x2f0/0x670 [ 1909.453838][ C0] do_sys_openat2+0x16d/0x420 [ 1909.453843][ C0] ? build_open_flags+0x6f0/0x6f0 [ 1909.453847][ C0] ? __context_tracking_exit+0xb8/0xe0 [ 1909.453853][ C0] __x64_sys_open+0x119/0x1c0 [ 1909.453857][ C0] ? do_sys_open+0x140/0x140 [ 1909.453861][ C0] ? __secure_computing+0x104/0x360 [ 1909.453866][ C0] do_syscall_64+0x35/0xb0 [ 1909.453871][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1909.453876][ C0] RIP: 0033:0x7f483ec06840 [ 1909.453884][ C0] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 1909.453897][ C0] RSP: 002b:00007ffe4353a8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1909.453908][ C0] RAX: ffffffffffffffda RBX: 00007ffe4353abe0 RCX: 00007f483ec06840 [ 1909.453915][ C0] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 000056225724bb60 [ 1909.453922][ C0] RBP: 000000000000000d R08: 000000000000c0c1 R09: 00000000ffffffff [ 1909.453929][ C0] R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff [ 1909.453936][ C0] R13: 000056225723e060 R14: 00007ffe4353aba0 R15: 000056225724b980 [ 1909.454962][ T1638] Kernel panic - not syncing: hung_task: blocked tasks [ 1909.926078][ T1638] CPU: 1 PID: 1638 Comm: khungtaskd Not tainted 5.14.0-rc1-syzkaller #0 [ 1909.934805][ T1638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1909.944863][ T1638] Call Trace: [ 1909.948136][ T1638] dump_stack_lvl+0xcd/0x134 [ 1909.952810][ T1638] panic+0x306/0x73d [ 1909.956702][ T1638] ? __warn_printk+0xf3/0xf3 [ 1909.961289][ T1638] ? lapic_can_unplug_cpu+0x80/0x80 [ 1909.966593][ T1638] ? preempt_schedule_thunk+0x16/0x18 [ 1909.972038][ T1638] ? nmi_trigger_cpumask_backtrace+0x196/0x230 [ 1909.978315][ T1638] ? watchdog.cold+0x5/0x158 [ 1909.982976][ T1638] watchdog.cold+0x16/0x158 [ 1909.987501][ T1638] ? reset_hung_task_detector+0x30/0x30 [ 1909.993144][ T1638] kthread+0x3e5/0x4d0 [ 1909.997226][ T1638] ? set_kthread_struct+0x130/0x130 [ 1910.002800][ T1638] ret_from_fork+0x1f/0x30 [ 1910.008862][ T1638] Kernel Offset: disabled [ 1910.013223][ T1638] Rebooting in 86400 seconds..