syzkaller syzkaller login: [ 10.228633][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 12.797306][ T23] kauditd_printk_skb: 60 callbacks suppressed [ 12.797312][ T23] audit: type=1400 audit(1649558118.239:71): avc: denied { transition } for pid=301 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.802382][ T23] audit: type=1400 audit(1649558118.249:72): avc: denied { write } for pid=301 comm="sh" path="pipe:[11332]" dev="pipefs" ino=11332 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 12.939782][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 12.943240][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 12.946101][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 13.428668][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #88!!! Warning: Permanently added '10.128.0.206' (ECDSA) to the list of known hosts. 2022/04/10 02:45:58 parsed 1 programs [ 652.963202][ T23] audit: type=1400 audit(1649558758.409:73): avc: denied { getattr } for pid=376 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 652.976108][ T382] cgroup: Unknown subsys name 'net' [ 652.986689][ T23] audit: type=1400 audit(1649558758.409:74): avc: denied { read } for pid=376 comm="syz-execprog" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 653.012931][ T23] audit: type=1400 audit(1649558758.409:75): avc: denied { open } for pid=376 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 653.013141][ T382] cgroup: Unknown subsys name 'devices' [ 653.036134][ T23] audit: type=1400 audit(1649558758.419:76): avc: denied { read } for pid=376 comm="syz-execprog" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 653.064583][ T23] audit: type=1400 audit(1649558758.419:77): avc: denied { open } for pid=376 comm="syz-execprog" path="/dev/raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 653.087883][ T23] audit: type=1400 audit(1649558758.419:78): avc: denied { mounton } for pid=382 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 653.110498][ T23] audit: type=1400 audit(1649558758.419:79): avc: denied { mount } for pid=382 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 653.132576][ T23] audit: type=1400 audit(1649558758.439:80): avc: denied { unmount } for pid=382 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 653.309794][ T382] cgroup: Unknown subsys name 'hugetlb' [ 653.315439][ T382] cgroup: Unknown subsys name 'rlimit' 2022/04/10 02:45:58 executed programs: 0 [ 653.409704][ T23] audit: type=1400 audit(1649558758.859:81): avc: denied { mounton } for pid=382 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 653.434672][ T23] audit: type=1400 audit(1649558758.889:82): avc: denied { mount } for pid=382 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 653.591075][ T389] bridge0: port 1(bridge_slave_0) entered blocking state [ 653.598123][ T389] bridge0: port 1(bridge_slave_0) entered disabled state [ 653.605850][ T389] device bridge_slave_0 entered promiscuous mode [ 653.626337][ T388] bridge0: port 1(bridge_slave_0) entered blocking state [ 653.633442][ T388] bridge0: port 1(bridge_slave_0) entered disabled state [ 653.640817][ T388] device bridge_slave_0 entered promiscuous mode [ 653.647533][ T388] bridge0: port 2(bridge_slave_1) entered blocking state [ 653.654576][ T388] bridge0: port 2(bridge_slave_1) entered disabled state [ 653.661840][ T388] device bridge_slave_1 entered promiscuous mode [ 653.668328][ T389] bridge0: port 2(bridge_slave_1) entered blocking state [ 653.675343][ T389] bridge0: port 2(bridge_slave_1) entered disabled state [ 653.682653][ T389] device bridge_slave_1 entered promiscuous mode [ 653.700353][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 653.707373][ T394] bridge0: port 1(bridge_slave_0) entered disabled state [ 653.714675][ T394] device bridge_slave_0 entered promiscuous mode [ 653.739422][ T393] bridge0: port 1(bridge_slave_0) entered blocking state [ 653.746449][ T393] bridge0: port 1(bridge_slave_0) entered disabled state [ 653.753823][ T393] device bridge_slave_0 entered promiscuous mode [ 653.760403][ T391] bridge0: port 1(bridge_slave_0) entered blocking state [ 653.767410][ T391] bridge0: port 1(bridge_slave_0) entered disabled state [ 653.774809][ T391] device bridge_slave_0 entered promiscuous mode [ 653.781613][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 653.788735][ T394] bridge0: port 2(bridge_slave_1) entered disabled state [ 653.795945][ T394] device bridge_slave_1 entered promiscuous mode [ 653.812670][ T393] bridge0: port 2(bridge_slave_1) entered blocking state [ 653.819785][ T393] bridge0: port 2(bridge_slave_1) entered disabled state [ 653.827005][ T393] device bridge_slave_1 entered promiscuous mode [ 653.833551][ T391] bridge0: port 2(bridge_slave_1) entered blocking state [ 653.840654][ T391] bridge0: port 2(bridge_slave_1) entered disabled state [ 653.847854][ T391] device bridge_slave_1 entered promiscuous mode [ 653.903267][ T395] bridge0: port 1(bridge_slave_0) entered blocking state [ 653.910470][ T395] bridge0: port 1(bridge_slave_0) entered disabled state [ 653.917670][ T395] device bridge_slave_0 entered promiscuous mode [ 653.926466][ T395] bridge0: port 2(bridge_slave_1) entered blocking state [ 653.933992][ T395] bridge0: port 2(bridge_slave_1) entered disabled state [ 653.941340][ T395] device bridge_slave_1 entered promiscuous mode [ 653.983869][ T388] bridge0: port 2(bridge_slave_1) entered blocking state [ 653.990925][ T388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 653.998229][ T388] bridge0: port 1(bridge_slave_0) entered blocking state [ 654.005276][ T388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 654.013433][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 654.020488][ T394] bridge0: port 2(bridge_slave_1) entered forwarding state [ 654.027700][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 654.034733][ T394] bridge0: port 1(bridge_slave_0) entered forwarding state [ 654.048839][ T393] bridge0: port 2(bridge_slave_1) entered blocking state [ 654.055873][ T393] bridge0: port 2(bridge_slave_1) entered forwarding state [ 654.063151][ T393] bridge0: port 1(bridge_slave_0) entered blocking state [ 654.070171][ T393] bridge0: port 1(bridge_slave_0) entered forwarding state [ 654.106890][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 654.114399][ T403] bridge0: port 1(bridge_slave_0) entered disabled state [ 654.121819][ T403] bridge0: port 2(bridge_slave_1) entered disabled state [ 654.129634][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 654.137779][ T403] bridge0: port 1(bridge_slave_0) entered disabled state [ 654.144995][ T403] bridge0: port 2(bridge_slave_1) entered disabled state [ 654.152378][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 654.161707][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 654.169588][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 654.219681][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 654.227146][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 654.235969][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 654.244575][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 654.251597][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 654.259030][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 654.267107][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 654.274294][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 654.281688][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 654.289852][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 654.296860][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 654.304185][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 654.312305][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 654.319335][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 654.350233][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 654.358717][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 654.366595][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 654.375503][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 654.383310][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 654.390998][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 654.398375][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 654.406869][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 654.415056][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 654.422422][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 654.429743][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 654.437789][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 654.444822][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 654.452101][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 654.460233][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 654.467236][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 654.494151][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 654.502828][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 654.511317][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 654.519609][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 654.527542][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 654.535887][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 654.542937][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 654.550369][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 654.558508][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 654.565515][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 654.573165][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 654.581336][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 654.588360][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 654.595638][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 654.603804][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 654.610876][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 654.618211][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 654.626007][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 654.653809][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 654.662598][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 654.670558][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 654.680213][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 654.688036][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 654.696145][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 654.703969][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 654.712031][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 654.719972][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 654.727863][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 654.735811][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 654.743919][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 654.752957][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 654.761185][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 654.769570][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 654.777643][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 654.786061][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 654.794425][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 654.802943][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 654.811255][ T403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 654.831752][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 654.840155][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 654.848058][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 654.856140][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 654.864278][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 654.872546][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 654.880773][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 654.889278][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 654.897482][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 654.905802][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 654.922514][ T393] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 654.934726][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 654.942987][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 654.951489][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 654.960137][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 654.968162][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 654.976672][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 654.984981][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 654.992874][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 655.012535][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 655.020247][ T423] FAULT_INJECTION: forcing a failure. [ 655.020247][ T423] name failslab, interval 1, probability 0, space 0, times 1 [ 655.020576][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 655.034285][ T423] CPU: 0 PID: 423 Comm: syz-executor.5 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 [ 655.040955][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 655.050568][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 655.050572][ T423] Call Trace: [ 655.050588][ T423] dump_stack_lvl+0x1e2/0x24b [ 655.050597][ T423] ? panic+0x7d7/0x7d7 [ 655.050605][ T423] ? bfq_pos_tree_add_move+0x43e/0x43e [ 655.050615][ T423] ? find_next_bit+0xd6/0x120 [ 655.050624][ T423] ? cpumask_next+0x11/0x30 [ 655.050633][ T423] dump_stack+0x15/0x17 [ 655.050641][ T423] should_fail+0x3c0/0x510 [ 655.050649][ T423] ? percpu_ref_init+0xd0/0x330 [ 655.050666][ T423] __should_failslab+0x9f/0xe0 [ 655.059714][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 655.068562][ T423] should_failslab+0x9/0x20 [ 655.068572][ T423] kmem_cache_alloc_trace+0x3a/0x330 [ 655.068587][ T423] percpu_ref_init+0xd0/0x330 [ 655.072266][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 655.076498][ T423] ? cgroup_setup_root+0xea0/0xea0 [ 655.076515][ T423] cgroup_apply_control_enable+0x3a2/0x12f0 [ 655.080916][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 655.085979][ T423] ? cgroup_reconfigure+0xe0/0xe0 [ 655.085996][ T423] cgroup_apply_control+0x93/0x710 [ 655.091062][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 655.095127][ T423] ? css_next_child+0x160/0x160 [ 655.095144][ T423] ? io_schedule+0x120/0x120 [ 655.099619][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 655.103657][ T423] ? kernfs_fop_write_iter+0x15e/0x410 [ 655.103674][ T423] ? __kasan_check_write+0x14/0x20 [ 655.108860][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 655.113226][ T423] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 655.113242][ T423] cgroup_subtree_control_write+0xd19/0x1310 [ 655.121761][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 655.125576][ T423] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 655.125594][ T423] ? __kasan_check_write+0x14/0x20 [ 655.139408][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 655.143374][ T423] ? _copy_from_iter+0x3fb/0xd60 [ 655.143392][ T423] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 655.148734][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 655.154343][ T423] cgroup_file_write+0x28e/0x590 [ 655.154361][ T423] ? cgroup_seqfile_stop+0xc0/0xc0 [ 655.162722][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 655.167213][ T423] ? mutex_lock+0xa6/0x110 [ 655.167229][ T423] ? mutex_trylock+0xb0/0xb0 [ 655.172738][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 655.180348][ T423] ? __kasan_check_write+0x14/0x20 [ 655.180359][ T423] kernfs_fop_write_iter+0x2d0/0x410 [ 655.180379][ T423] ? cgroup_seqfile_stop+0xc0/0xc0 [ 655.323760][ T423] vfs_write+0xc1c/0xf40 [ 655.327990][ T423] ? kernel_write+0x3c0/0x3c0 [ 655.332641][ T423] ? mutex_trylock+0xb0/0xb0 [ 655.337204][ T423] ? __fdget_pos+0x26d/0x310 [ 655.341863][ T423] ? ksys_write+0x77/0x2c0 [ 655.346259][ T423] ksys_write+0x198/0x2c0 [ 655.350561][ T423] ? __ia32_sys_read+0x90/0x90 [ 655.355315][ T423] ? debug_smp_processor_id+0x17/0x20 [ 655.360657][ T423] __x64_sys_write+0x7b/0x90 [ 655.365221][ T423] do_syscall_64+0x34/0x70 [ 655.369614][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 655.375478][ T423] RIP: 0033:0x7f61d6cb3049 [ 655.379882][ T423] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 655.399458][ T423] RSP: 002b:00007f61d6c29168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 655.407844][ T423] RAX: ffffffffffffffda RBX: 00007f61d6dc5f60 RCX: 00007f61d6cb3049 [ 655.415813][ T423] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 655.423778][ T423] RBP: 00007f61d6c291d0 R08: 0000000000000000 R09: 0000000000000000 [ 655.431729][ T423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 655.439709][ T423] R13: 00007ffee6de2baf R14: 00007f61d6c29300 R15: 0000000000022000 [ 655.454863][ T420] FAULT_INJECTION: forcing a failure. [ 655.454863][ T420] name failslab, interval 1, probability 0, space 0, times 0 [ 655.474149][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 655.477856][ T420] CPU: 1 PID: 420 Comm: syz-executor.1 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 [ 655.486666][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 655.492274][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 655.492278][ T420] Call Trace: [ 655.492294][ T420] dump_stack_lvl+0x1e2/0x24b [ 655.492302][ T420] ? panic+0x7d7/0x7d7 [ 655.492319][ T420] ? bfq_pos_tree_add_move+0x43e/0x43e [ 655.500613][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 655.510388][ T420] ? find_next_bit+0xd6/0x120 [ 655.510397][ T420] ? cpumask_next+0x11/0x30 [ 655.510405][ T420] dump_stack+0x15/0x17 [ 655.510420][ T420] should_fail+0x3c0/0x510 [ 655.513849][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 655.518326][ T420] ? percpu_ref_init+0xd0/0x330 [ 655.518335][ T420] __should_failslab+0x9f/0xe0 [ 655.518351][ T420] should_failslab+0x9/0x20 [ 655.522550][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 655.527820][ T420] kmem_cache_alloc_trace+0x3a/0x330 [ 655.536515][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 655.540420][ T420] percpu_ref_init+0xd0/0x330 [ 655.540431][ T420] ? cgroup_setup_root+0xea0/0xea0 [ 655.540442][ T420] cgroup_apply_control_enable+0x3a2/0x12f0 [ 655.540450][ T420] ? cgroup_reconfigure+0xe0/0xe0 [ 655.540460][ T420] cgroup_apply_control+0x93/0x710 [ 655.540470][ T420] ? css_next_child+0x160/0x160 [ 655.540479][ T420] ? io_schedule+0x120/0x120 [ 655.540488][ T420] ? kernfs_fop_write_iter+0x15e/0x410 [ 655.540498][ T420] ? __kasan_check_write+0x14/0x20 [ 655.540507][ T420] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 655.540515][ T420] cgroup_subtree_control_write+0xd19/0x1310 [ 655.540524][ T420] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 655.540531][ T420] ? __kasan_check_write+0x14/0x20 [ 655.540542][ T420] ? _copy_from_iter+0x3fb/0xd60 [ 655.540550][ T420] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 655.540566][ T420] cgroup_file_write+0x28e/0x590 [ 655.545284][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 655.549193][ T420] ? cgroup_seqfile_stop+0xc0/0xc0 [ 655.549203][ T420] ? mutex_lock+0xa6/0x110 [ 655.549210][ T420] ? mutex_trylock+0xb0/0xb0 [ 655.549221][ T420] ? __kasan_check_write+0x14/0x20 [ 655.549230][ T420] kernfs_fop_write_iter+0x2d0/0x410 [ 655.549238][ T420] ? cgroup_seqfile_stop+0xc0/0xc0 [ 655.549247][ T420] vfs_write+0xc1c/0xf40 [ 655.549256][ T420] ? kernel_write+0x3c0/0x3c0 [ 655.549265][ T420] ? mutex_trylock+0xb0/0xb0 [ 655.549276][ T420] ? __fdget_pos+0x26d/0x310 [ 655.549283][ T420] ? ksys_write+0x77/0x2c0 [ 655.549292][ T420] ksys_write+0x198/0x2c0 [ 655.549302][ T420] ? __ia32_sys_read+0x90/0x90 [ 655.549320][ T420] ? debug_smp_processor_id+0x17/0x20 [ 655.549329][ T420] __x64_sys_write+0x7b/0x90 [ 655.549338][ T420] do_syscall_64+0x34/0x70 [ 655.549346][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 655.549353][ T420] RIP: 0033:0x7f63ce056049 [ 655.549362][ T420] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 655.549368][ T420] RSP: 002b:00007f63cdfcc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 655.549381][ T420] RAX: ffffffffffffffda RBX: 00007f63ce168f60 RCX: 00007f63ce056049 [ 655.549395][ T420] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 655.554013][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 655.561819][ T420] RBP: 00007f63cdfcc1d0 R08: 0000000000000000 R09: 0000000000000000 [ 655.561825][ T420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 655.561831][ T420] R13: 00007fff6437671f R14: 00007f63cdfcc300 R15: 0000000000022000 [ 655.566340][ T425] FAULT_INJECTION: forcing a failure. [ 655.566340][ T425] name failslab, interval 1, probability 0, space 0, times 0 [ 655.566927][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 655.572006][ T425] CPU: 1 PID: 425 Comm: syz-executor.5 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 [ 655.578396][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 655.584141][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 655.589837][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 655.597438][ T425] Call Trace: [ 655.602399][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 655.607199][ T425] dump_stack_lvl+0x1e2/0x24b [ 655.922762][ T425] ? panic+0x7d7/0x7d7 [ 655.926806][ T425] ? bfq_pos_tree_add_move+0x43e/0x43e [ 655.932237][ T425] ? find_next_bit+0xd6/0x120 [ 655.936884][ T425] ? cpumask_next+0x11/0x30 [ 655.941358][ T425] dump_stack+0x15/0x17 [ 655.945486][ T425] should_fail+0x3c0/0x510 [ 655.949902][ T425] ? percpu_ref_init+0xd0/0x330 [ 655.954740][ T425] __should_failslab+0x9f/0xe0 [ 655.959481][ T425] should_failslab+0x9/0x20 [ 655.963962][ T425] kmem_cache_alloc_trace+0x3a/0x330 [ 655.969300][ T425] percpu_ref_init+0xd0/0x330 [ 655.973967][ T425] ? cgroup_setup_root+0xea0/0xea0 [ 655.979059][ T425] cgroup_apply_control_enable+0x3a2/0x12f0 [ 655.984938][ T425] ? cgroup_reconfigure+0xe0/0xe0 [ 655.989959][ T425] cgroup_apply_control+0x93/0x710 [ 655.995140][ T425] ? css_next_child+0x160/0x160 [ 655.999967][ T425] ? io_schedule+0x120/0x120 [ 656.004532][ T425] ? kernfs_fop_write_iter+0x15e/0x410 [ 656.009961][ T425] ? __kasan_check_write+0x14/0x20 [ 656.015043][ T425] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 656.020397][ T425] cgroup_subtree_control_write+0xd19/0x1310 [ 656.026352][ T425] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 656.032304][ T425] ? __kasan_check_write+0x14/0x20 [ 656.037390][ T425] ? _copy_from_iter+0x3fb/0xd60 [ 656.042301][ T425] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 656.048254][ T425] cgroup_file_write+0x28e/0x590 [ 656.053169][ T425] ? cgroup_seqfile_stop+0xc0/0xc0 [ 656.058347][ T425] ? mutex_lock+0xa6/0x110 [ 656.062733][ T425] ? mutex_trylock+0xb0/0xb0 [ 656.067291][ T425] ? __kasan_check_write+0x14/0x20 [ 656.072372][ T425] kernfs_fop_write_iter+0x2d0/0x410 [ 656.077637][ T425] ? cgroup_seqfile_stop+0xc0/0xc0 [ 656.082719][ T425] vfs_write+0xc1c/0xf40 [ 656.087194][ T425] ? kernel_write+0x3c0/0x3c0 [ 656.091844][ T425] ? mutex_trylock+0xb0/0xb0 [ 656.096418][ T425] ? __fdget_pos+0x26d/0x310 [ 656.100987][ T425] ? ksys_write+0x77/0x2c0 [ 656.105379][ T425] ksys_write+0x198/0x2c0 [ 656.109680][ T425] ? __ia32_sys_read+0x90/0x90 [ 656.114422][ T425] ? debug_smp_processor_id+0x17/0x20 [ 656.119766][ T425] __x64_sys_write+0x7b/0x90 [ 656.124329][ T425] do_syscall_64+0x34/0x70 [ 656.128719][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 656.134586][ T425] RIP: 0033:0x7f61d6cb3049 [ 656.138977][ T425] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 656.158553][ T425] RSP: 002b:00007f61d6c29168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 656.166938][ T425] RAX: ffffffffffffffda RBX: 00007f61d6dc5f60 RCX: 00007f61d6cb3049 [ 656.174880][ T425] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 656.182839][ T425] RBP: 00007f61d6c291d0 R08: 0000000000000000 R09: 0000000000000000 [ 656.191278][ T425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 656.199225][ T425] R13: 00007ffee6de2baf R14: 00007f61d6c29300 R15: 0000000000022000 [ 656.218467][ T428] FAULT_INJECTION: forcing a failure. [ 656.218467][ T428] name failslab, interval 1, probability 0, space 0, times 0 [ 656.240243][ T428] CPU: 0 PID: 428 Comm: syz-executor.1 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 [ 656.250396][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 656.260433][ T428] Call Trace: [ 656.263705][ T428] dump_stack_lvl+0x1e2/0x24b [ 656.268366][ T428] ? panic+0x7d7/0x7d7 [ 656.272510][ T428] ? bfq_pos_tree_add_move+0x43e/0x43e [ 656.277946][ T428] ? find_next_bit+0xd6/0x120 [ 656.282599][ T428] ? cpumask_next+0x11/0x30 [ 656.287084][ T428] dump_stack+0x15/0x17 [ 656.291242][ T428] should_fail+0x3c0/0x510 [ 656.295633][ T428] ? percpu_ref_init+0xd0/0x330 [ 656.300462][ T428] __should_failslab+0x9f/0xe0 [ 656.305200][ T428] should_failslab+0x9/0x20 [ 656.309679][ T428] kmem_cache_alloc_trace+0x3a/0x330 [ 656.314939][ T428] percpu_ref_init+0xd0/0x330 [ 656.319591][ T428] ? cgroup_setup_root+0xea0/0xea0 [ 656.324675][ T428] cgroup_apply_control_enable+0x3a2/0x12f0 [ 656.330638][ T428] ? cgroup_reconfigure+0xe0/0xe0 [ 656.335642][ T428] cgroup_apply_control+0x93/0x710 [ 656.341082][ T428] ? css_next_child+0x160/0x160 [ 656.345907][ T428] ? io_schedule+0x120/0x120 [ 656.350487][ T428] ? kernfs_fop_write_iter+0x15e/0x410 [ 656.355929][ T428] ? __kasan_check_write+0x14/0x20 [ 656.361019][ T428] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 656.366277][ T428] cgroup_subtree_control_write+0xd19/0x1310 [ 656.372239][ T428] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 656.378192][ T428] ? __kasan_check_write+0x14/0x20 [ 656.383281][ T428] ? _copy_from_iter+0x3fb/0xd60 [ 656.388189][ T428] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 656.394159][ T428] cgroup_file_write+0x28e/0x590 [ 656.399071][ T428] ? cgroup_seqfile_stop+0xc0/0xc0 [ 656.404153][ T428] ? mutex_lock+0xa6/0x110 [ 656.408539][ T428] ? mutex_trylock+0xb0/0xb0 [ 656.413100][ T428] ? __kasan_check_write+0x14/0x20 [ 656.418183][ T428] kernfs_fop_write_iter+0x2d0/0x410 [ 656.423440][ T428] ? cgroup_seqfile_stop+0xc0/0xc0 [ 656.428524][ T428] vfs_write+0xc1c/0xf40 [ 656.432739][ T428] ? kernel_write+0x3c0/0x3c0 [ 656.437388][ T428] ? mutex_trylock+0xb0/0xb0 [ 656.441961][ T428] ? __fdget_pos+0x26d/0x310 [ 656.446525][ T428] ? ksys_write+0x77/0x2c0 [ 656.450915][ T428] ksys_write+0x198/0x2c0 [ 656.455260][ T428] ? __ia32_sys_read+0x90/0x90 [ 656.460064][ T428] ? debug_smp_processor_id+0x17/0x20 [ 656.465410][ T428] __x64_sys_write+0x7b/0x90 [ 656.469977][ T428] do_syscall_64+0x34/0x70 [ 656.474369][ T428] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 656.480234][ T428] RIP: 0033:0x7f63ce056049 [ 656.484619][ T428] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 656.504209][ T428] RSP: 002b:00007f63cdfcc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 656.512608][ T428] RAX: ffffffffffffffda RBX: 00007f63ce168f60 RCX: 00007f63ce056049 [ 656.520571][ T428] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 656.528538][ T428] RBP: 00007f63cdfcc1d0 R08: 0000000000000000 R09: 0000000000000000 [ 656.536486][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 656.544430][ T428] R13: 00007fff6437671f R14: 00007f63cdfcc300 R15: 0000000000022000 [ 656.577453][ T431] FAULT_INJECTION: forcing a failure. [ 656.577453][ T431] name failslab, interval 1, probability 0, space 0, times 0 [ 656.590299][ T431] CPU: 1 PID: 431 Comm: syz-executor.5 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 [ 656.600447][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 656.610473][ T431] Call Trace: [ 656.613736][ T431] dump_stack_lvl+0x1e2/0x24b [ 656.618395][ T431] ? panic+0x7d7/0x7d7 [ 656.622433][ T431] ? bfq_pos_tree_add_move+0x43e/0x43e [ 656.627873][ T431] ? find_next_bit+0xd6/0x120 [ 656.632521][ T431] ? cpumask_next+0x11/0x30 [ 656.636997][ T431] dump_stack+0x15/0x17 [ 656.641121][ T431] should_fail+0x3c0/0x510 [ 656.645510][ T431] ? percpu_ref_init+0xd0/0x330 [ 656.650344][ T431] __should_failslab+0x9f/0xe0 [ 656.655078][ T431] should_failslab+0x9/0x20 [ 656.659562][ T431] kmem_cache_alloc_trace+0x3a/0x330 [ 656.664823][ T431] percpu_ref_init+0xd0/0x330 [ 656.669468][ T431] ? cgroup_setup_root+0xea0/0xea0 [ 656.674574][ T431] cgroup_apply_control_enable+0x3a2/0x12f0 [ 656.680438][ T431] ? cgroup_reconfigure+0xe0/0xe0 [ 656.685440][ T431] cgroup_apply_control+0x93/0x710 [ 656.690529][ T431] ? css_next_child+0x160/0x160 [ 656.695357][ T431] ? io_schedule+0x120/0x120 [ 656.699938][ T431] ? kernfs_fop_write_iter+0x15e/0x410 [ 656.705371][ T431] ? __kasan_check_write+0x14/0x20 [ 656.710468][ T431] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 656.715731][ T431] cgroup_subtree_control_write+0xd19/0x1310 [ 656.721694][ T431] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 656.727651][ T431] ? __kasan_check_write+0x14/0x20 [ 656.732744][ T431] ? _copy_from_iter+0x3fb/0xd60 [ 656.737651][ T431] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 656.743596][ T431] cgroup_file_write+0x28e/0x590 [ 656.748506][ T431] ? cgroup_seqfile_stop+0xc0/0xc0 [ 656.753601][ T431] ? mutex_lock+0xa6/0x110 [ 656.757987][ T431] ? mutex_trylock+0xb0/0xb0 [ 656.762547][ T431] ? __kasan_check_write+0x14/0x20 [ 656.767625][ T431] kernfs_fop_write_iter+0x2d0/0x410 [ 656.772880][ T431] ? cgroup_seqfile_stop+0xc0/0xc0 [ 656.777963][ T431] vfs_write+0xc1c/0xf40 [ 656.782178][ T431] ? kernel_write+0x3c0/0x3c0 [ 656.786825][ T431] ? mutex_trylock+0xb0/0xb0 [ 656.791383][ T431] ? __fdget_pos+0x26d/0x310 [ 656.795939][ T431] ? ksys_write+0x77/0x2c0 [ 656.800323][ T431] ksys_write+0x198/0x2c0 [ 656.804640][ T431] ? __ia32_sys_read+0x90/0x90 [ 656.809375][ T431] ? debug_smp_processor_id+0x17/0x20 [ 656.814714][ T431] __x64_sys_write+0x7b/0x90 [ 656.819275][ T431] do_syscall_64+0x34/0x70 [ 656.823697][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 656.829556][ T431] RIP: 0033:0x7f61d6cb3049 [ 656.833943][ T431] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 656.853538][ T431] RSP: 002b:00007f61d6c29168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 656.861920][ T431] RAX: ffffffffffffffda RBX: 00007f61d6dc5f60 RCX: 00007f61d6cb3049 [ 656.869864][ T431] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 656.877807][ T431] RBP: 00007f61d6c291d0 R08: 0000000000000000 R09: 0000000000000000 [ 656.885747][ T431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 656.893692][ T431] R13: 00007ffee6de2baf R14: 00007f61d6c29300 R15: 0000000000022000 [ 656.915895][ T440] FAULT_INJECTION: forcing a failure. [ 656.915895][ T440] name failslab, interval 1, probability 0, space 0, times 0 [ 656.932583][ T440] CPU: 1 PID: 440 Comm: syz-executor.2 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 [ 656.942735][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 656.952765][ T440] Call Trace: [ 656.956034][ T440] dump_stack_lvl+0x1e2/0x24b [ 656.960687][ T440] ? panic+0x7d7/0x7d7 [ 656.964727][ T440] ? bfq_pos_tree_add_move+0x43e/0x43e [ 656.970190][ T440] ? find_next_bit+0xd6/0x120 [ 656.974858][ T440] ? cpumask_next+0x11/0x30 [ 656.979355][ T440] dump_stack+0x15/0x17 [ 656.983490][ T440] should_fail+0x3c0/0x510 [ 656.987887][ T440] ? percpu_ref_init+0xd0/0x330 [ 656.992712][ T440] __should_failslab+0x9f/0xe0 [ 656.997450][ T440] should_failslab+0x9/0x20 [ 657.002014][ T440] kmem_cache_alloc_trace+0x3a/0x330 [ 657.007281][ T440] percpu_ref_init+0xd0/0x330 [ 657.011931][ T440] ? cgroup_setup_root+0xea0/0xea0 [ 657.017015][ T440] cgroup_apply_control_enable+0x3a2/0x12f0 [ 657.022885][ T440] ? cgroup_reconfigure+0xe0/0xe0 [ 657.027879][ T440] cgroup_apply_control+0x93/0x710 [ 657.032962][ T440] ? css_next_child+0x160/0x160 [ 657.037785][ T440] ? io_schedule+0x120/0x120 [ 657.042349][ T440] ? kernfs_fop_write_iter+0x15e/0x410 [ 657.047782][ T440] ? __kasan_check_write+0x14/0x20 [ 657.052864][ T440] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 657.058122][ T440] cgroup_subtree_control_write+0xd19/0x1310 [ 657.064083][ T440] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 657.070058][ T440] ? __kasan_check_write+0x14/0x20 [ 657.075140][ T440] ? _copy_from_iter+0x3fb/0xd60 [ 657.080049][ T440] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 657.086007][ T440] cgroup_file_write+0x28e/0x590 [ 657.090923][ T440] ? cgroup_seqfile_stop+0xc0/0xc0 [ 657.096003][ T440] ? mutex_lock+0xa6/0x110 [ 657.100389][ T440] ? mutex_trylock+0xb0/0xb0 [ 657.104948][ T440] ? __kasan_check_write+0x14/0x20 [ 657.110034][ T440] kernfs_fop_write_iter+0x2d0/0x410 [ 657.115289][ T440] ? cgroup_seqfile_stop+0xc0/0xc0 [ 657.120393][ T440] vfs_write+0xc1c/0xf40 [ 657.124609][ T440] ? kernel_write+0x3c0/0x3c0 [ 657.129259][ T440] ? mutex_trylock+0xb0/0xb0 [ 657.133819][ T440] ? __fdget_pos+0x26d/0x310 [ 657.138379][ T440] ? ksys_write+0x77/0x2c0 [ 657.142763][ T440] ksys_write+0x198/0x2c0 [ 657.147063][ T440] ? __ia32_sys_read+0x90/0x90 [ 657.151800][ T440] ? debug_smp_processor_id+0x17/0x20 [ 657.157158][ T440] __x64_sys_write+0x7b/0x90 [ 657.161723][ T440] do_syscall_64+0x34/0x70 [ 657.166124][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 657.172001][ T440] RIP: 0033:0x7f9d19e68049 [ 657.176388][ T440] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 657.195965][ T440] RSP: 002b:00007f9d19dde168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 657.204358][ T440] RAX: ffffffffffffffda RBX: 00007f9d19f7af60 RCX: 00007f9d19e68049 [ 657.212308][ T440] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 657.220258][ T440] RBP: 00007f9d19dde1d0 R08: 0000000000000000 R09: 0000000000000000 [ 657.228213][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 657.236188][ T440] R13: 00007fff2e0b76bf R14: 00007f9d19dde300 R15: 0000000000022000 [ 657.247830][ T438] FAULT_INJECTION: forcing a failure. [ 657.247830][ T438] name failslab, interval 1, probability 0, space 0, times 0 [ 657.262280][ C0] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 657.266465][ T438] CPU: 1 PID: 438 Comm: syz-executor.1 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 [ 657.270103][ C0] #PF: supervisor instruction fetch in kernel mode [ 657.280225][ T438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 657.286694][ C0] #PF: error_code(0x0010) - not-present page [ 657.296716][ T438] Call Trace: [ 657.302662][ C0] PGD 10c9c5067 P4D 10c9c5067 [ 657.305928][ T438] dump_stack_lvl+0x1e2/0x24b [ 657.305942][ T438] ? panic+0x7d7/0x7d7 [ 657.310672][ C0] PUD 120843067 [ 657.315321][ T438] ? bfq_pos_tree_add_move+0x43e/0x43e [ 657.319350][ C0] PMD 0 [ 657.322880][ T438] ? find_next_bit+0xd6/0x120 [ 657.328299][ C0] [ 657.331136][ T438] ? cpumask_next+0x11/0x30 [ 657.335771][ C0] Oops: 0010 [#1] PREEMPT SMP KASAN [ 657.338072][ T438] dump_stack+0x15/0x17 [ 657.342542][ C0] CPU: 0 PID: 426 Comm: kworker/0:4 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 [ 657.347707][ T438] should_fail+0x3c0/0x510 [ 657.351828][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 657.361683][ T438] ? percpu_ref_init+0xd0/0x330 [ 657.366423][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 657.376448][ T438] __should_failslab+0x9f/0xe0 [ 657.381260][ C0] [ 657.387214][ T438] should_failslab+0x9/0x20 [ 657.391944][ C0] RIP: 0010:0x0 [ 657.394254][ T438] kmem_cache_alloc_trace+0x3a/0x330 [ 657.398722][ C0] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 657.402156][ T438] percpu_ref_init+0xd0/0x330 [ 657.407406][ C0] RSP: 0018:ffffc90000007ab8 EFLAGS: 00010246 [ 657.415094][ T438] ? cgroup_setup_root+0xea0/0xea0 [ 657.419728][ C0] [ 657.425781][ T438] cgroup_apply_control_enable+0x3a2/0x12f0 [ 657.430854][ C0] RAX: 1ffff11020000005 RBX: ffff888100000028 RCX: ffff88810b81e2c0 [ 657.433153][ T438] ? cgroup_reconfigure+0xe0/0xe0 [ 657.439009][ C0] RDX: 0000000080000101 RSI: 0000000000000000 RDI: ffff88810e922640 [ 657.446955][ T438] cgroup_apply_control+0x93/0x710 [ 657.451947][ C0] RBP: ffffc90000007bb0 R08: ffffffff8433ff05 R09: ffff88810e922640 [ 657.459993][ T438] ? css_next_child+0x160/0x160 [ 657.465073][ C0] R10: ffffc90000007500 R11: 1ffff92000000ece R12: 1ffff92000000f5c [ 657.473030][ T438] ? io_schedule+0x120/0x120 [ 657.477855][ C0] R13: dffffc0000000000 R14: 1ffff11021d244d3 R15: ffff88810e922698 [ 657.485811][ T438] ? kernfs_fop_write_iter+0x15e/0x410 [ 657.490365][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 657.498309][ T438] ? __kasan_check_write+0x14/0x20 [ 657.503733][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 657.512637][ T438] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 657.517710][ C0] CR2: ffffffffffffffd6 CR3: 000000012084b000 CR4: 00000000003506b0 [ 657.524278][ T438] cgroup_subtree_control_write+0xd19/0x1310 [ 657.529530][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 657.537486][ T438] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 657.543434][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 657.551383][ T438] ? __kasan_check_write+0x14/0x20 [ 657.557332][ C0] Call Trace: [ 657.565282][ T438] ? _copy_from_iter+0x3fb/0xd60 [ 657.570350][ C0] [ 657.573610][ T438] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 657.578516][ C0] ipv6_rcv+0x297/0x550 [ 657.581338][ T438] cgroup_file_write+0x28e/0x590 [ 657.587282][ C0] ? ip6_rcv_finish+0x2c0/0x2c0 [ 657.591407][ T438] ? cgroup_seqfile_stop+0xc0/0xc0 [ 657.596310][ C0] ? asan.module_dtor+0x20/0x20 [ 657.601129][ T438] ? mutex_lock+0xa6/0x110 [ 657.606207][ C0] ? slab_free_freelist_hook+0xcc/0x1a0 [ 657.611021][ T438] ? mutex_trylock+0xb0/0xb0 [ 657.615406][ C0] ? ip6_rcv_finish+0x2c0/0x2c0 [ 657.620922][ T438] ? __kasan_check_write+0x14/0x20 [ 657.625655][ C0] __netif_receive_skb+0x1c5/0x500 [ 657.630471][ T438] kernfs_fop_write_iter+0x2d0/0x410 [ 657.635549][ C0] ? deliver_ptype_list_skb+0x1a0/0x1a0 [ 657.640623][ T438] ? cgroup_seqfile_stop+0xc0/0xc0 [ 657.645876][ C0] ? __kasan_check_write+0x14/0x20 [ 657.651388][ T438] vfs_write+0xc1c/0xf40 [ 657.656464][ C0] ? _raw_spin_lock+0xa3/0x1b0 [ 657.661541][ T438] ? kernel_write+0x3c0/0x3c0 [ 657.665751][ C0] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 657.670484][ T438] ? mutex_trylock+0xb0/0xb0 [ 657.675129][ C0] process_backlog+0x352/0x690 [ 657.680469][ T438] ? __fdget_pos+0x26d/0x310 [ 657.685028][ C0] napi_poll+0x1a3/0x650 [ 657.689757][ T438] ? ksys_write+0x77/0x2c0 [ 657.694323][ C0] net_rx_action+0x387/0x970 [ 657.698531][ T438] ksys_write+0x198/0x2c0 [ 657.702927][ C0] ? net_tx_action+0x8f0/0x8f0 [ 657.707495][ T438] ? __ia32_sys_read+0x90/0x90 [ 657.711795][ C0] ? irqtime_account_irq+0x76/0x270 [ 657.716875][ T438] ? debug_smp_processor_id+0x17/0x20 [ 657.721609][ C0] __do_softirq+0x27e/0x596 [ 657.726775][ T438] __x64_sys_write+0x7b/0x90 [ 657.732110][ C0] asm_call_irq_on_stack+0xf/0x20 [ 657.736579][ T438] do_syscall_64+0x34/0x70 [ 657.741133][ C0] [ 657.746128][ T438] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 657.750513][ C0] do_softirq_own_stack+0x60/0x80 [ 657.753422][ T438] RIP: 0033:0x7f63ce056049 [ 657.759293][ C0] do_softirq+0xca/0x110 [ 657.764286][ T438] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 657.768673][ C0] ? neigh_resolve_output+0x6d3/0x780 [ 657.772882][ T438] RSP: 002b:00007f63cdfcc168 EFLAGS: 00000246 [ 657.792467][ C0] ? __local_bh_enable_ip+0x80/0x80 [ 657.797805][ T438] ORIG_RAX: 0000000000000001 [ 657.803841][ C0] __local_bh_enable_ip+0x70/0x80 [ 657.809001][ T438] RAX: ffffffffffffffda RBX: 00007f63ce168f60 RCX: 00007f63ce056049 [ 657.813649][ C0] local_bh_enable+0x1f/0x30 [ 657.818634][ T438] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 657.826676][ C0] ip6_finish_output2+0x1094/0x1950 [ 657.831228][ T438] RBP: 00007f63cdfcc1d0 R08: 0000000000000000 R09: 0000000000000000 [ 657.839170][ C0] ? __ip6_finish_output+0x810/0x810 [ 657.844332][ T438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 657.852279][ C0] __ip6_finish_output+0x653/0x810 [ 657.857530][ T438] R13: 00007fff6437671f R14: 00007f63cdfcc300 R15: 0000000000022000 [ 657.865474][ C0] ip6_finish_output+0x1c9/0x1e0 [ 657.883421][ C0] ? ip6_output+0x1f3/0x4c0 [ 657.887046][ T445] FAULT_INJECTION: forcing a failure. [ 657.887046][ T445] name failslab, interval 1, probability 0, space 0, times 0 [ 657.887919][ C0] ip6_output+0x211/0x4c0 [ 657.900570][ T445] CPU: 1 PID: 445 Comm: syz-executor.4 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 [ 657.904774][ C0] ? asan.module_dtor+0x20/0x20 [ 657.914889][ T445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 657.919719][ C0] ? ip6_output+0x4c0/0x4c0 [ 657.929736][ T445] Call Trace: [ 657.934215][ C0] ndisc_send_skb+0x6fe/0xc10 [ 657.937480][ T445] dump_stack_lvl+0x1e2/0x24b [ 657.942125][ C0] ? ndisc_alloc_skb+0x2d0/0x2d0 [ 657.946774][ T445] ? panic+0x7d7/0x7d7 [ 657.951675][ C0] ? refcount_dec_and_test+0x80/0x80 [ 657.955709][ T445] ? bfq_pos_tree_add_move+0x43e/0x43e [ 657.960963][ C0] ? kasan_unpoison+0x61/0x80 [ 657.966390][ T445] ? find_next_bit+0xd6/0x120 [ 657.971033][ C0] ? __kasan_check_write+0x14/0x20 [ 657.975677][ T445] ? cpumask_next+0x11/0x30 [ 657.980756][ C0] ? skb_set_owner_w+0x204/0x360 [ 657.985225][ T445] dump_stack+0x15/0x17 [ 657.990133][ C0] ? ndisc_send_ns+0x358/0x810 [ 657.994258][ T445] should_fail+0x3c0/0x510 [ 657.998990][ C0] ? skb_put+0x119/0x210 [ 658.003569][ T445] ? percpu_ref_init+0xd0/0x330 [ 658.007781][ C0] ndisc_send_ns+0x629/0x810 [ 658.012614][ T445] __should_failslab+0x9f/0xe0 [ 658.017179][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 658.021908][ T445] should_failslab+0x9/0x20 [ 658.027418][ C0] ? ndisc_send_skb+0xc10/0xc10 [ 658.031889][ T445] kmem_cache_alloc_trace+0x3a/0x330 [ 658.036706][ C0] ? _raw_spin_lock+0xa3/0x1b0 [ 658.041961][ T445] percpu_ref_init+0xd0/0x330 [ 658.046692][ C0] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 658.051335][ T445] ? cgroup_setup_root+0xea0/0xea0 [ 658.056674][ C0] addrconf_dad_work+0xba6/0x15d0 [ 658.061754][ T445] cgroup_apply_control_enable+0x3a2/0x12f0 [ 658.066742][ C0] ? refcount_inc+0x80/0x80 [ 658.072605][ T445] ? cgroup_reconfigure+0xe0/0xe0 [ 658.077078][ C0] ? __kasan_check_write+0x14/0x20 [ 658.082068][ T445] cgroup_apply_control+0x93/0x710 [ 658.087145][ C0] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 658.092224][ T445] ? css_next_child+0x160/0x160 [ 658.097306][ C0] ? __kasan_check_read+0x11/0x20 [ 658.102128][ T445] ? io_schedule+0x120/0x120 [ 658.107116][ C0] ? strscpy+0xa8/0x270 [ 658.111676][ T445] ? kernfs_fop_write_iter+0x15e/0x410 [ 658.115799][ C0] process_one_work+0x726/0xc10 [ 658.121225][ T445] ? __kasan_check_write+0x14/0x20 [ 658.126047][ C0] worker_thread+0xb27/0x1550 [ 658.131142][ T445] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 658.135801][ C0] ? __kthread_parkme+0xba/0x1d0 [ 658.141058][ T445] cgroup_subtree_control_write+0xd19/0x1310 [ 658.145964][ C0] kthread+0x349/0x3d0 [ 658.151910][ T445] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 658.155944][ C0] ? worker_clr_flags+0x180/0x180 [ 658.161889][ T445] ? __kasan_check_write+0x14/0x20 [ 658.166888][ C0] ? kthread_blkcg+0xd0/0xd0 [ 658.171971][ T445] ? _copy_from_iter+0x3fb/0xd60 [ 658.176528][ C0] ret_from_fork+0x1f/0x30 [ 658.181430][ T445] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 658.185811][ C0] Modules linked in: [ 658.191756][ T445] cgroup_file_write+0x28e/0x590 [ 658.191773][ C0] [ 658.195636][ T445] ? cgroup_seqfile_stop+0xc0/0xc0 [ 658.200535][ C0] CR2: 0000000000000000 [ 658.202841][ T445] ? mutex_lock+0xa6/0x110 [ 658.207913][ C0] ---[ end trace 34857169a7571141 ]--- [ 658.212039][ T445] ? mutex_trylock+0xb0/0xb0 [ 658.216430][ C0] RIP: 0010:0x0 [ 658.221857][ T445] ? __kasan_check_write+0x14/0x20 [ 658.226421][ C0] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 658.229876][ T445] kernfs_fop_write_iter+0x2d0/0x410 [ 658.234954][ C0] RSP: 0018:ffffc90000007ab8 EFLAGS: 00010246 [ 658.242645][ T445] ? cgroup_seqfile_stop+0xc0/0xc0 [ 658.247892][ C0] [ 658.254284][ T445] vfs_write+0xc1c/0xf40 [ 658.259373][ C0] RAX: 1ffff11020000005 RBX: ffff888100000028 RCX: ffff88810b81e2c0 [ 658.261686][ T445] ? kernel_write+0x3c0/0x3c0 [ 658.265891][ C0] RDX: 0000000080000101 RSI: 0000000000000000 RDI: ffff88810e922640 [ 658.273843][ T445] ? mutex_trylock+0xb0/0xb0 [ 658.278485][ C0] RBP: ffffc90000007bb0 R08: ffffffff8433ff05 R09: ffff88810e922640 [ 658.286433][ T445] ? __fdget_pos+0x26d/0x310 [ 658.290990][ C0] R10: ffffc90000007500 R11: 1ffff92000000ece R12: 1ffff92000000f5c [ 658.299051][ T445] ? ksys_write+0x77/0x2c0 [ 658.303636][ C0] R13: dffffc0000000000 R14: 1ffff11021d244d3 R15: ffff88810e922698 [ 658.311580][ T445] ksys_write+0x198/0x2c0 [ 658.315964][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 658.323912][ T445] ? __ia32_sys_read+0x90/0x90 [ 658.328227][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 658.337145][ T445] ? debug_smp_processor_id+0x17/0x20 [ 658.341874][ C0] CR2: ffffffffffffffd6 CR3: 000000012084b000 CR4: 00000000003506b0 [ 658.348433][ T445] __x64_sys_write+0x7b/0x90 [ 658.353772][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 658.361835][ T445] do_syscall_64+0x34/0x70 [ 658.366395][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 658.374342][ T445] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 658.378724][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 658.386671][ T445] RIP: 0033:0x7f9caef8c049 [ 658.404084][ T445] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 658.423687][ T445] RSP: 002b:00007f9caef02168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 658.432090][ T445] RAX: ffffffffffffffda RBX: 00007f9caf09ef60 RCX: 00007f9caef8c049 [ 658.440048][ T445] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 658.448005][ T445] RBP: 00007f9caef021d0 R08: 0000000000000000 R09: 0000000000000000 [ 658.455964][ T445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 658.463926][ T445] R13: 00007ffcebfbb14f R14: 00007f9caef02300 R15: 0000000000022000 [ 658.472044][ C0] Kernel Offset: disabled [ 658.476360][ C0] Rebooting in 86400 seconds..