[ 31.320356][ T107] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.327638][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 31.336063][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 31.349272][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 31.848656][ T9] device bridge_slave_1 left promiscuous mode [ 31.855008][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.862551][ T9] device bridge_slave_0 left promiscuous mode [ 31.868856][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.766567][ T23] kauditd_printk_skb: 64 callbacks suppressed [ 41.766573][ T23] audit: type=1400 audit(1657477652.809:147): avc: denied { read } for pid=142 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. 2022/07/10 18:27:39 parsed 1 programs [ 48.683737][ T23] audit: type=1400 audit(1657477659.729:148): avc: denied { mounton } for pid=400 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 48.689095][ T400] cgroup: Unknown subsys name 'net' [ 48.713279][ T400] cgroup: Unknown subsys name 'devices' [ 48.719747][ T400] cgroup: Unknown subsys name 'hugetlb' [ 48.725864][ T400] cgroup: Unknown subsys name 'rlimit' 2022/07/10 18:27:39 executed programs: 0 [ 48.732144][ T23] audit: type=1400 audit(1657477659.789:149): avc: denied { mounton } for pid=400 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 [ 48.758110][ T23] audit: type=1400 audit(1657477659.789:150): avc: denied { mount } for pid=400 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 [ 48.767811][ T403] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.781694][ T23] audit: type=1400 audit(1657477659.799:151): avc: denied { mounton } for pid=403 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 48.789166][ T403] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.813310][ T23] audit: type=1400 audit(1657477659.799:152): avc: denied { module_request } for pid=403 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 48.820718][ T403] device bridge_slave_0 entered promiscuous mode [ 48.849388][ T403] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.856405][ T403] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.863774][ T403] device bridge_slave_1 entered promiscuous mode [ 48.884147][ T403] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.891252][ T403] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.898576][ T403] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.905590][ T403] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.919340][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.926984][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.934548][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.942176][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.958895][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.967419][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.975751][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.983993][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.992372][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.999408][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.006685][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.014998][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.022491][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.030007][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.038005][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.050074][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.059376][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.073814][ T23] audit: type=1400 audit(1657477660.119:153): avc: denied { mount } for pid=403 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 49.100105][ T23] audit: type=1400 audit(1657477660.149:154): avc: denied { mounton } for pid=409 comm="syz-executor.0" path="/root/syzkaller-testdir1886859110/syzkaller.Nl4cxA/0/file0" dev="sda1" ino=1148 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 49.101553][ T410] syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000 [ 49.138095][ T410] CPU: 0 PID: 410 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller #0 [ 49.146784][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 49.157141][ T410] Call Trace: [ 49.160513][ T410] dump_stack_lvl+0x81/0xac [ 49.165104][ T410] dump_stack+0x10/0x12 [ 49.169553][ T410] dump_header+0x106/0x631 [ 49.174120][ T410] oom_kill_process.cold+0xb/0x10 [ 49.179225][ T410] out_of_memory+0x3fd/0xe50 [ 49.184506][ T410] ? oom_killer_disable+0x210/0x210 [ 49.189695][ T410] ? __kasan_check_write+0x14/0x20 [ 49.194789][ T410] ? mutex_lock_killable+0x79/0xd0 [ 49.200062][ T410] mem_cgroup_out_of_memory+0x203/0x280 [ 49.205719][ T410] ? mem_cgroup_margin+0x140/0x140 [ 49.210977][ T410] ? _raw_spin_unlock_irqrestore+0x47/0x80 [ 49.217092][ T410] ? cgroup_file_notify+0xfa/0x160 [ 49.222229][ T410] memory_max_write+0x265/0x3b0 [ 49.227388][ T410] ? mem_cgroup_css_offline+0x410/0x410 [ 49.233172][ T410] cgroup_file_write+0x193/0x740 [ 49.238319][ T410] ? __kasan_check_write+0x14/0x20 [ 49.243550][ T410] ? cgroup_file_poll+0xd0/0xd0 [ 49.248746][ T410] ? __mutex_lock_slowpath+0x10/0x10 [ 49.254253][ T410] ? cgroup_file_poll+0xd0/0xd0 [ 49.259321][ T410] kernfs_fop_write_iter+0x2e4/0x460 [ 49.264581][ T410] new_sync_write+0x358/0x6d0 [ 49.269425][ T410] ? futex_exit_release+0x200/0x200 [ 49.274689][ T410] ? new_sync_read+0x6d0/0x6d0 [ 49.279459][ T410] ? putname+0xab/0xf0 [ 49.283518][ T410] ? rw_verify_area+0xc3/0x2b0 [ 49.288591][ T410] ? __fget_light.part.0+0x19d/0x330 [ 49.294193][ T410] vfs_write+0x4f5/0x750 [ 49.298459][ T410] ksys_write+0x111/0x210 [ 49.303096][ T410] ? __ia32_sys_read+0xa0/0xa0 [ 49.307855][ T410] ? __kasan_check_write+0x14/0x20 [ 49.313342][ T410] ? switch_fpu_return+0xc3/0x1c0 [ 49.318742][ T410] __x64_sys_write+0x6e/0xb0 [ 49.323803][ T410] ? syscall_exit_to_user_mode+0x27/0x160 [ 49.329631][ T410] do_syscall_64+0x32/0x80 [ 49.334200][ T410] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.340199][ T410] RIP: 0033:0x7f3bd5697049 [ 49.344615][ T410] 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 [ 49.364198][ T410] RSP: 002b:00007f3bd560d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.372593][ T410] RAX: ffffffffffffffda RBX: 00007f3bd57a9f60 RCX: 00007f3bd5697049 [ 49.380752][ T410] RDX: 0000000000000012 RSI: 0000000020000080 RDI: 0000000000000008 [ 49.388713][ T410] RBP: 00007f3bd56f108d R08: 0000000000000000 R09: 0000000000000000 [ 49.396674][ T410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.404754][ T410] R13: 00007ffe82777caf R14: 00007f3bd560d300 R15: 0000000000022000 [ 49.414057][ T410] memory: usage 88kB, limit 0kB, failcnt 0 [ 49.419937][ T410] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 49.426787][ T410] Memory cgroup stats for /syz0: [ 49.426822][ T410] anon 0 [ 49.426822][ T410] file 0 [ 49.426822][ T410] kernel_stack 0 [ 49.426822][ T410] percpu 0 [ 49.426822][ T410] sock 0 [ 49.426822][ T410] shmem 0 [ 49.426822][ T410] file_mapped 0 [ 49.426822][ T410] file_dirty 0 [ 49.426822][ T410] file_writeback 0 [ 49.426822][ T410] anon_thp 0 [ 49.426822][ T410] inactive_anon 0 [ 49.426822][ T410] active_anon 0 [ 49.426822][ T410] inactive_file 0 [ 49.426822][ T410] active_file 0 [ 49.426822][ T410] unevictable 0 [ 49.426822][ T410] slab_reclaimable 0 [ 49.426822][ T410] slab_unreclaimable 0 [ 49.426822][ T410] slab 0 [ 49.426822][ T410] workingset_refault_anon 0 [ 49.426822][ T410] workingset_refault_file 0 [ 49.426822][ T410] workingset_activate_anon 0 [ 49.426822][ T410] workingset_activate_file 0 [ 49.426822][ T410] workingset_restore_anon 0 [ 49.426822][ T410] workingset_restore_file 0 [ 49.426822][ T410] workingset_nodereclaim 0 [ 49.426822][ T410] pgfault 66 [ 49.527303][ T410] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=409,uid=0 [ 49.544347][ T410] Memory cgroup out of memory: Killed process 409 (syz-executor.0) total-vm:34404kB, anon-rss:364kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:68kB oom_score_adj:1000 [ 49.563351][ T26] oom_reaper: reaped process 409 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 49.577116][ T403] syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0 [ 49.587602][ T403] CPU: 1 PID: 403 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller #0 [ 49.596589][ T403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 49.606930][ T403] Call Trace: [ 49.610231][ T403] dump_stack_lvl+0x81/0xac [ 49.614710][ T403] dump_stack+0x10/0x12 [ 49.618845][ T403] dump_header+0x106/0x631 [ 49.623255][ T403] oom_kill_process.cold+0xb/0x10 [ 49.628375][ T403] out_of_memory+0x3fd/0xe50 [ 49.632964][ T403] ? oom_killer_disable+0x210/0x210 [ 49.638261][ T403] ? __kasan_check_write+0x14/0x20 [ 49.643371][ T403] ? mutex_lock_killable+0x79/0xd0 [ 49.648499][ T403] mem_cgroup_out_of_memory+0x203/0x280 [ 49.654168][ T403] ? mem_cgroup_margin+0x140/0x140 [ 49.659279][ T403] ? __kasan_check_write+0x14/0x20 [ 49.664510][ T403] ? _raw_spin_unlock+0x41/0x70 [ 49.669347][ T403] try_charge+0xe1c/0x1350 [ 49.673762][ T403] ? mem_cgroup_oom_trylock+0x3d0/0x3d0 [ 49.679454][ T403] ? kasan_save_stack+0x42/0x50 [ 49.684292][ T403] ? warn_alloc+0x190/0x190 [ 49.688777][ T403] ? pgd_free+0x1f0/0x1f0 [ 49.693215][ T403] ? get_mem_cgroup_from_mm+0xd2/0x1e0 [ 49.698659][ T403] __mem_cgroup_charge+0x120/0x790 [ 49.704332][ T403] handle_pte_fault+0x170c/0x32f0 [ 49.709535][ T403] __handle_mm_fault+0xab4/0xf80 [ 49.714493][ T403] ? copy_page_range+0x2660/0x2660 [ 49.720171][ T403] ? __this_cpu_preempt_check+0x13/0x20 [ 49.725807][ T403] ? __count_memcg_events.part.0+0x7e/0x230 [ 49.732069][ T403] ? up_read+0x160/0x160 [ 49.736489][ T403] handle_mm_fault+0x38b/0x5a0 [ 49.741424][ T403] do_user_addr_fault+0x4d1/0xa40 [ 49.746907][ T403] ? trace_page_fault_kernel+0xb0/0xb0 [ 49.752815][ T403] ? debug_smp_processor_id+0x17/0x20 [ 49.758422][ T403] ? fpregs_assert_state_consistent+0x49/0xb0 [ 49.765167][ T403] ? debug_smp_processor_id+0x17/0x20 [ 49.771080][ T403] ? exit_to_user_mode_prepare+0x30/0xe0 [ 49.777186][ T403] exc_page_fault+0x65/0xc0 [ 49.781667][ T403] ? asm_exc_page_fault+0x8/0x30 [ 49.787041][ T403] asm_exc_page_fault+0x1e/0x30 [ 49.791893][ T403] RIP: 0033:0x7f3bd5666015 [ 49.796308][ T403] Code: e8 4b 8d 0c 2f 48 8b 6c 24 18 48 39 d3 48 89 4b 60 0f 95 c2 48 83 c8 01 0f b6 d2 48 c1 e2 02 4c 09 ea 48 83 ca 01 49 89 57 08 <48> 89 41 08 49 83 c7 10 eb b3 48 8d 3d 8a dc 09 00 e8 75 c9 ff ff [ 49.816597][ T403] RSP: 002b:00007ffe82776c50 EFLAGS: 00010206 [ 49.823225][ T403] RAX: 00000000000184d1 RBX: 00007f3bd577d5e0 RCX: 0000555555bb2b30 [ 49.831188][ T403] RDX: 0000000000008041 RSI: 0000000000000000 RDI: 0000000000000004 [ 49.839560][ T403] RBP: 0000000000008030 R08: 0000000000000003 R09: 00007f3bd577d640 [ 49.847893][ T403] R10: 0000000000000231 R11: 0000000000000000 R12: 0000000000000802 [ 49.856464][ T403] R13: 0000000000008040 R14: 0000000000000804 R15: 0000555555baaaf0 [ 49.865278][ T403] memory: usage 32kB, limit 0kB, failcnt 19 [ 49.871505][ T403] swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 49.878559][ T403] Memory cgroup stats for /syz0: [ 49.878604][ T403] anon 0 [ 49.878604][ T403] file 0 [ 49.878604][ T403] kernel_stack 0 [ 49.878604][ T403] percpu 0 [ 49.878604][ T403] sock 0 [ 49.878604][ T403] shmem 0 [ 49.878604][ T403] file_mapped 0 [ 49.878604][ T403] file_dirty 0 [ 49.878604][ T403] file_writeback 0 [ 49.878604][ T403] anon_thp 0 [ 49.878604][ T403] inactive_anon 0 [ 49.878604][ T403] active_anon 0 [ 49.878604][ T403] inactive_file 0 [ 49.878604][ T403] active_file 0 [ 49.878604][ T403] unevictable 0 [ 49.878604][ T403] slab_reclaimable 0 [ 49.878604][ T403] slab_unreclaimable 0 [ 49.878604][ T403] slab 0 [ 49.878604][ T403] workingset_refault_anon 0 [ 49.878604][ T403] workingset_refault_file 0 [ 49.878604][ T403] workingset_activate_anon 0 [ 49.878604][ T403] workingset_activate_file 0 [ 49.878604][ T403] workingset_restore_anon 0 [ 49.878604][ T403] workingset_restore_file 0 [ 49.878604][ T403] workingset_nodereclaim 0 [ 49.878604][ T403] pgfault 66 [ 49.980499][ T403] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0,oom_memcg=/syz0,task_memcg=/syz0,task=syz-executor.0,pid=403,uid=0 [ 49.996235][ T403] Memory cgroup out of memory: Killed process 403 (syz-executor.0) total-vm:34140kB, anon-rss:356kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:52kB oom_score_adj:0 [ 49.996747][ T23] audit: type=1400 audit(1657477661.049:155): avc: denied { append } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 50.014199][ T26] oom_reaper: reaped process 403 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 50.037758][ T23] audit: type=1400 audit(1657477661.049:156): avc: denied { open } for pid=142 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 50.075816][ T23] audit: type=1400 audit(1657477661.049:157): avc: denied { getattr } for pid=142 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 50.928561][ T9] device bridge_slave_1 left promiscuous mode [ 50.934744][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.942483][ T9] device bridge_slave_0 left promiscuous mode [ 50.948828][ T9] bridge0: port 1(bridge_slave_0) entered disabled state 2022/07/10 18:27:52 executor failed 11 times: executor 0: exit status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67