[ 30.438120][ T23] audit: type=1400 audit(1655413529.750:147): avc: denied { read } for pid=143 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 '10.128.1.106' (ECDSA) to the list of known hosts. 2022/06/16 21:05:36 parsed 1 programs 2022/06/16 21:05:36 executed programs: 0 [ 37.128501][ T23] audit: type=1400 audit(1655413536.440:148): avc: denied { mounton } for pid=412 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 [ 37.128853][ T412] cgroup: Unknown subsys name 'net' [ 37.157609][ T412] cgroup: Unknown subsys name 'devices' [ 37.164103][ T412] cgroup: Unknown subsys name 'hugetlb' [ 37.169878][ T412] cgroup: Unknown subsys name 'rlimit' [ 37.175983][ T23] audit: type=1400 audit(1655413536.480:149): avc: denied { mounton } for pid=412 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 [ 37.243539][ T23] audit: type=1400 audit(1655413536.480:150): avc: denied { mount } for pid=412 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 [ 37.270849][ T23] audit: type=1400 audit(1655413536.510:151): avc: denied { mounton } for pid=417 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 [ 37.297989][ T23] audit: type=1400 audit(1655413536.520:152): avc: denied { module_request } for pid=417 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.317246][ T421] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.327014][ T421] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.334577][ T421] device bridge_slave_0 entered promiscuous mode [ 37.341416][ T421] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.348493][ T421] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.355848][ T421] device bridge_slave_1 entered promiscuous mode [ 37.394855][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.402037][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.409598][ T417] device bridge_slave_0 entered promiscuous mode [ 37.418898][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.425919][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.433338][ T417] device bridge_slave_1 entered promiscuous mode [ 37.453548][ T423] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.460693][ T423] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.468196][ T423] device bridge_slave_0 entered promiscuous mode [ 37.493478][ T421] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.500562][ T421] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.507939][ T421] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.514972][ T421] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.526423][ T423] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.533503][ T423] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.541284][ T423] device bridge_slave_1 entered promiscuous mode [ 37.581376][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.588491][ T425] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.595777][ T425] device bridge_slave_0 entered promiscuous mode [ 37.605105][ T429] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.612230][ T429] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.619718][ T429] device bridge_slave_0 entered promiscuous mode [ 37.627640][ T429] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.634825][ T429] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.642197][ T429] device bridge_slave_1 entered promiscuous mode [ 37.652841][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.659971][ T425] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.667265][ T425] device bridge_slave_1 entered promiscuous mode [ 37.703926][ T426] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.711112][ T426] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.718504][ T426] device bridge_slave_0 entered promiscuous mode [ 37.729558][ T426] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.736587][ T426] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.744157][ T426] device bridge_slave_1 entered promiscuous mode [ 37.760574][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.767606][ T417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.774876][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.781924][ T417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.794181][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.802445][ T68] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.809897][ T68] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.817497][ T68] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.825036][ T68] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.865789][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.874364][ T68] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.881407][ T68] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.889161][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.897946][ T68] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.906091][ T68] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.913863][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.940612][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.948665][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.956114][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.963733][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.972266][ T68] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.979302][ T68] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.009875][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.018076][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.025199][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.033140][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.054989][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.063495][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.080820][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.088934][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.097154][ T390] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.104285][ T390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.111699][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.120458][ T390] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.127644][ T390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.135413][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.148588][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.178163][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.185652][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.194255][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.202581][ T109] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.209605][ T109] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.217078][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.224955][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.233010][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.241100][ T109] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.248122][ T109] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.255421][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.262992][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.287938][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.296216][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.328669][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.336762][ T109] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.343794][ T109] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.351668][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.360287][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.368223][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.376225][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.384358][ T109] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.391376][ T109] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.398959][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.407160][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.415518][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.423415][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.431192][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.439452][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.447648][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.455475][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.463295][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.471393][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.479486][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.487666][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.495956][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.503742][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.511575][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.519675][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.527660][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.535873][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.544073][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.552267][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.560572][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 38.568624][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.576439][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 38.584522][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.595457][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.603885][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.618872][ T23] audit: type=1400 audit(1655413537.930:153): avc: denied { mount } for pid=417 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 [ 38.650793][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.659483][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.668268][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.676533][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.685041][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.693407][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.693607][ T23] audit: type=1400 audit(1655413538.000:154): avc: denied { append } for pid=143 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 [ 38.701813][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.724324][ T23] audit: type=1400 audit(1655413538.000:155): avc: denied { open } for pid=143 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 [ 38.733229][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.754853][ T23] audit: type=1400 audit(1655413538.000:156): avc: denied { getattr } for pid=143 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 [ 38.777978][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.794621][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.814427][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.823342][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.854238][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.863182][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.871233][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.879579][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.898048][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.906835][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.920816][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.936125][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.949908][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.966813][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.976397][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.983464][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.007935][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.016251][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.025597][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.032671][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.056488][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.064396][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.073006][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.081184][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.090802][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.117281][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.126341][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.134685][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.152211][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.160601][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.173831][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.188533][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.203853][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 163.807737][ T25] INFO: task syz-executor.1:456 blocked for more than 122 seconds. [ 163.815847][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 163.837647][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 163.846501][ T25] task:syz-executor.1 state:D stack: 0 pid: 456 ppid: 421 flags:0x00004004 [ 163.877644][ T25] Call Trace: [ 163.881127][ T25] __schedule+0x866/0xc00 [ 163.885589][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 163.907675][ T25] ? release_firmware_map_entry+0x195/0x195 [ 163.913696][ T25] ? __kasan_check_write+0x14/0x20 [ 163.927678][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 163.932444][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 163.947703][ T25] schedule+0x14b/0x1e0 [ 163.951878][ T25] schedule_preempt_disabled+0x13/0x20 [ 163.957347][ T25] __mutex_lock+0x946/0x11e0 [ 163.977652][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 163.984419][ T25] ? current_time+0x1c4/0x310 [ 163.997652][ T25] ? avc_has_perm+0x16d/0x260 [ 164.002331][ T25] __mutex_lock_slowpath+0xe/0x10 [ 164.007568][ T25] mutex_lock+0xd7/0x110 [ 164.027662][ T25] ? mutex_trylock+0xb0/0xb0 [ 164.032260][ T25] pipe_write+0x130/0x1900 [ 164.036666][ T25] ? match_file+0x140/0x140 [ 164.057648][ T25] ? selinux_file_permission+0x3fd/0x520 [ 164.063285][ T25] ? pipe_read+0x1070/0x1070 [ 164.077685][ T25] ? fsnotify_perm+0x67/0x4e0 [ 164.082377][ T25] ? security_file_permission+0x9d/0xc0 [ 164.097680][ T25] ? security_file_permission+0xa8/0xc0 [ 164.103255][ T25] ? iov_iter_init+0x3f/0x120 [ 164.117655][ T25] vfs_write+0xc1c/0xf40 [ 164.122091][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 164.127383][ T25] ? kernel_write+0x3c0/0x3c0 [ 164.147667][ T25] ? __fget_files+0x310/0x370 [ 164.152524][ T25] ? __fdget_pos+0x1fe/0x310 [ 164.157100][ T25] ? ksys_write+0x77/0x2c0 [ 164.177644][ T25] ksys_write+0x198/0x2c0 [ 164.182064][ T25] ? __kasan_check_write+0x14/0x20 [ 164.187529][ T25] ? __ia32_sys_read+0x90/0x90 [ 164.207662][ T25] __x64_sys_write+0x7b/0x90 [ 164.212255][ T25] do_syscall_64+0x34/0x70 [ 164.216656][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 164.237640][ T25] RIP: 0033:0x7f1c226a3109 [ 164.242049][ T25] RSP: 002b:00007f1c225f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 164.257641][ T25] RAX: ffffffffffffffda RBX: 00007f1c227b6030 RCX: 00007f1c226a3109 [ 164.265608][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 164.297637][ T25] RBP: 00007f1c226fd08d R08: 0000000000000000 R09: 0000000000000000 [ 164.305607][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 164.327665][ T25] R13: 00007ffc637cc6cf R14: 00007f1c225f8300 R15: 0000000000022000 [ 164.337748][ T25] INFO: task syz-executor.3:466 blocked for more than 123 seconds. [ 164.345625][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 164.367633][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 164.376295][ T25] task:syz-executor.3 state:D stack: 0 pid: 466 ppid: 426 flags:0x00004004 [ 164.407644][ T25] Call Trace: [ 164.410937][ T25] __schedule+0x866/0xc00 [ 164.415252][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 164.437641][ T25] ? release_firmware_map_entry+0x195/0x195 [ 164.443544][ T25] ? __kasan_check_write+0x14/0x20 [ 164.457654][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 164.462417][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 164.477645][ T25] schedule+0x14b/0x1e0 [ 164.481799][ T25] schedule_preempt_disabled+0x13/0x20 [ 164.487245][ T25] __mutex_lock+0x946/0x11e0 [ 164.507648][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 164.514412][ T25] ? current_time+0x1c4/0x310 [ 164.527711][ T25] ? avc_has_perm+0x16d/0x260 [ 164.532409][ T25] __mutex_lock_slowpath+0xe/0x10 [ 164.537428][ T25] mutex_lock+0xd7/0x110 [ 164.557646][ T25] ? mutex_trylock+0xb0/0xb0 [ 164.562248][ T25] pipe_write+0x130/0x1900 [ 164.566653][ T25] ? match_file+0x140/0x140 [ 164.587658][ T25] ? selinux_file_permission+0x3fd/0x520 [ 164.593384][ T25] ? pipe_read+0x1070/0x1070 [ 164.607642][ T25] ? fsnotify_perm+0x67/0x4e0 [ 164.612315][ T25] ? security_file_permission+0x9d/0xc0 [ 164.627645][ T25] ? security_file_permission+0xa8/0xc0 [ 164.633203][ T25] ? iov_iter_init+0x3f/0x120 [ 164.647658][ T25] vfs_write+0xc1c/0xf40 [ 164.651905][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 164.657185][ T25] ? kernel_write+0x3c0/0x3c0 [ 164.677644][ T25] ? __fget_files+0x310/0x370 [ 164.682329][ T25] ? __fdget_pos+0x1fe/0x310 [ 164.686902][ T25] ? ksys_write+0x77/0x2c0 [ 164.707663][ T25] ksys_write+0x198/0x2c0 [ 164.712014][ T25] ? __kasan_check_write+0x14/0x20 [ 164.717202][ T25] ? __ia32_sys_read+0x90/0x90 [ 164.737665][ T25] __x64_sys_write+0x7b/0x90 [ 164.742265][ T25] do_syscall_64+0x34/0x70 [ 164.746784][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 164.767795][ T25] RIP: 0033:0x7f2a9d08b109 [ 164.772223][ T25] RSP: 002b:00007f2a9cfe0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 164.787645][ T25] RAX: ffffffffffffffda RBX: 00007f2a9d19e030 RCX: 00007f2a9d08b109 [ 164.795716][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 164.817649][ T25] RBP: 00007f2a9d0e508d R08: 0000000000000000 R09: 0000000000000000 [ 164.825725][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 164.857709][ T25] R13: 00007ffec0a5b2df R14: 00007f2a9cfe0300 R15: 0000000000022000 [ 164.867837][ T25] INFO: task syz-executor.5:477 blocked for more than 123 seconds. [ 164.877588][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 164.907669][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 164.916372][ T25] task:syz-executor.5 state:D stack: 0 pid: 477 ppid: 429 flags:0x00004004 [ 164.947657][ T25] Call Trace: [ 164.950969][ T25] __schedule+0x866/0xc00 [ 164.955294][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 164.967652][ T25] ? release_firmware_map_entry+0x195/0x195 [ 164.973549][ T25] ? __kasan_check_write+0x14/0x20 [ 164.987654][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 164.992422][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 165.017650][ T25] schedule+0x14b/0x1e0 [ 165.021812][ T25] schedule_preempt_disabled+0x13/0x20 [ 165.027433][ T25] __mutex_lock+0x946/0x11e0 [ 165.047692][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 165.054492][ T25] ? current_time+0x1c4/0x310 [ 165.067671][ T25] ? avc_has_perm+0x16d/0x260 [ 165.072538][ T25] __mutex_lock_slowpath+0xe/0x10 [ 165.077571][ T25] mutex_lock+0xd7/0x110 [ 165.097656][ T25] ? mutex_trylock+0xb0/0xb0 [ 165.102370][ T25] pipe_write+0x130/0x1900 [ 165.107101][ T25] ? match_file+0x140/0x140 [ 165.127668][ T25] ? selinux_file_permission+0x3fd/0x520 [ 165.133305][ T25] ? pipe_read+0x1070/0x1070 [ 165.147650][ T25] ? fsnotify_perm+0x67/0x4e0 [ 165.152332][ T25] ? security_file_permission+0x9d/0xc0 [ 165.167642][ T25] ? security_file_permission+0xa8/0xc0 [ 165.173462][ T25] ? iov_iter_init+0x3f/0x120 [ 165.187655][ T25] vfs_write+0xc1c/0xf40 [ 165.191898][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 165.197187][ T25] ? kernel_write+0x3c0/0x3c0 [ 165.217644][ T25] ? __fget_files+0x310/0x370 [ 165.222499][ T25] ? __fdget_pos+0x1fe/0x310 [ 165.227078][ T25] ? ksys_write+0x77/0x2c0 [ 165.247657][ T25] ksys_write+0x198/0x2c0 [ 165.252176][ T25] ? __kasan_check_write+0x14/0x20 [ 165.257366][ T25] ? __ia32_sys_read+0x90/0x90 [ 165.277644][ T25] __x64_sys_write+0x7b/0x90 [ 165.282596][ T25] do_syscall_64+0x34/0x70 [ 165.287147][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 165.307654][ T25] RIP: 0033:0x7fe3541e4109 [ 165.312502][ T25] RSP: 002b:00007fe354139168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 165.337638][ T25] RAX: ffffffffffffffda RBX: 00007fe3542f7030 RCX: 00007fe3541e4109 [ 165.345826][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 165.367652][ T25] RBP: 00007fe35423e08d R08: 0000000000000000 R09: 0000000000000000 [ 165.375644][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 165.397638][ T25] R13: 00007fffacb1632f R14: 00007fe354139300 R15: 0000000000022000 [ 165.405649][ T25] NMI backtrace for cpu 1 [ 165.409991][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 165.419770][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.429810][ T25] Call Trace: [ 165.433095][ T25] dump_stack_lvl+0x1e2/0x24b [ 165.437759][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 165.443906][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 165.449360][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 165.454891][ T25] ? __rcu_read_unlock+0x90/0x90 [ 165.459988][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.466042][ T25] dump_stack+0x15/0x17 [ 165.470186][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 165.476154][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.482125][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 165.488457][ T25] ? __kasan_check_write+0x14/0x20 [ 165.493558][ T25] ? hung_task_panic+0x20/0x20 [ 165.498308][ T25] watchdog+0x13e/0x170 [ 165.502472][ T25] kthread+0x349/0x3d0 [ 165.506542][ T25] ? hungtask_pm_notify+0x50/0x50 [ 165.511552][ T25] ? kthread_blkcg+0xd0/0xd0 [ 165.516127][ T25] ret_from_fork+0x1f/0x30 [ 165.520767][ T25] Sending NMI from CPU 1 to CPUs 0: [ 165.526946][ C0] NMI backtrace for cpu 0 [ 165.526952][ C0] CPU: 0 PID: 453 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 165.526957][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.526960][ C0] RIP: 0010:__sanitizer_cov_trace_cmp8+0x31/0xa0 [ 165.526969][ C0] Code: 08 65 48 8b 14 25 80 6d 02 00 65 8b 0d b4 b8 95 7e f7 c1 00 01 ff 00 74 11 f7 c1 00 01 00 00 74 76 83 ba ac 0a 00 00 00 74 6d <8b> 8a 88 0a 00 00 83 f9 03 75 62 48 8b 8a 90 0a 00 00 44 8b 8a 8c [ 165.526972][ C0] RSP: 0018:ffffc900010c6ff8 EFLAGS: 00000246 [ 165.526980][ C0] RAX: 0005800000000000 RBX: 000000012811c000 RCX: 0000000080000000 [ 165.526983][ C0] RDX: ffff88810daa4f00 RSI: 000000012811d000 RDI: 000000012811c000 [ 165.526988][ C0] RBP: ffffc900010c6ff8 R08: ffffffff8239ab7f R09: ffffffff824ada95 [ 165.526992][ C0] R10: 0000000000000002 R11: ffff88810daa4f00 R12: 0000000000000000 [ 165.526995][ C0] R13: 00000000001ff000 R14: 000000012811d000 R15: 000000012811d000 [ 165.527000][ C0] FS: 00007f1c22619700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 165.527003][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.527007][ C0] CR2: 00007fb01b7994c0 CR3: 00000001100af000 CR4: 00000000003506b0 [ 165.527011][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 165.527015][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 165.527017][ C0] Call Trace: [ 165.527020][ C0] bio_add_page+0x16f/0x450 [ 165.527023][ C0] bio_iov_iter_get_pages+0x21f/0x4d0 [ 165.527026][ C0] iomap_dio_bio_actor+0x832/0x12f0 [ 165.527028][ C0] iomap_dio_actor+0x34f/0x570 [ 165.527031][ C0] iomap_apply+0x3ab/0x7f0 [ 165.527034][ C0] ? asan.module_dtor+0x20/0x20 [ 165.527037][ C0] ? filemap_check_errors+0xd3/0x120 [ 165.527039][ C0] __iomap_dio_rw+0x716/0x10d0 [ 165.527042][ C0] ? __iomap_dio_rw+0x10d0/0x10d0 [ 165.527045][ C0] ? iomap_dio_complete+0x6c0/0x6c0 [ 165.527048][ C0] ? jbd2_journal_start_reserved+0x3b0/0x3b0 [ 165.527051][ C0] ? __ext4_read_dirblock+0xdd0/0xdd0 [ 165.527054][ C0] iomap_dio_rw+0x35/0x80 [ 165.527057][ C0] ? ext4_file_write_iter+0x881/0x1cd0 [ 165.527060][ C0] ext4_file_write_iter+0x105d/0x1cd0 [ 165.527063][ C0] ? ext4_file_write_iter+0x881/0x1cd0 [ 165.527066][ C0] ? ext4_file_read_iter+0x4d0/0x4d0 [ 165.527068][ C0] ? __schedule+0x86e/0xc00 [ 165.527071][ C0] do_iter_readv_writev+0x52a/0x720 [ 165.527074][ C0] ? fsnotify_file+0x220/0x220 [ 165.527077][ C0] ? security_file_permission+0x9d/0xc0 [ 165.527080][ C0] ? security_file_permission+0xa8/0xc0 [ 165.527083][ C0] ? rw_verify_area+0x1c2/0x360 [ 165.527085][ C0] ? __irq_exit_rcu+0x41/0x150 [ 165.527088][ C0] do_iter_write+0x182/0x660 [ 165.527091][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 165.527094][ C0] vfs_iter_write+0x7c/0xa0 [ 165.527097][ C0] iter_file_splice_write+0x8a1/0x10c0 [ 165.527100][ C0] ? splice_from_pipe+0x220/0x220 [ 165.527102][ C0] ? avc_policy_seqno+0x1b/0x70 [ 165.527105][ C0] ? fsnotify_perm+0x67/0x4e0 [ 165.527108][ C0] ? security_file_permission+0xa8/0xc0 [ 165.527111][ C0] ? rw_verify_area+0x1c2/0x360 [ 165.527114][ C0] ? splice_from_pipe+0x220/0x220 [ 165.527117][ C0] do_splice+0xe4e/0x1900 [ 165.527119][ C0] ? putname+0xf8/0x150 [ 165.527122][ C0] ? __fget_files+0x310/0x370 [ 165.527125][ C0] ? direct_splice_actor+0x130/0x130 [ 165.527128][ C0] ? __fdget+0x1ba/0x240 [ 165.527130][ C0] __se_sys_splice+0x2a8/0x410 [ 165.527133][ C0] ? __x64_sys_splice+0x100/0x100 [ 165.527136][ C0] __x64_sys_splice+0xe5/0x100 [ 165.527138][ C0] do_syscall_64+0x34/0x70 [ 165.527142][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 165.527144][ C0] RIP: 0033:0x7f1c226a3109 [ 165.527153][ C0] 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 [ 165.527156][ C0] RSP: 002b:00007f1c22619168 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 165.527163][ C0] RAX: ffffffffffffffda RBX: 00007f1c227b5f60 RCX: 00007f1c226a3109 [ 165.527167][ C0] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 [ 165.527171][ C0] RBP: 00007f1c226fd08d R08: 00000000088000cc R09: 0000000000000000 [ 165.527175][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 165.527179][ C0] R13: 00007ffc637cc6cf R14: 00007f1c22619300 R15: 0000000000022000 [ 186.207695][ T25] INFO: task syz-executor.1:456 blocked for more than 145 seconds. [ 186.215874][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 186.247634][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 186.256310][ T25] task:syz-executor.1 state:D stack: 0 pid: 456 ppid: 421 flags:0x00004004 [ 186.287641][ T25] Call Trace: [ 186.290952][ T25] __schedule+0x866/0xc00 [ 186.295267][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 186.307650][ T25] ? release_firmware_map_entry+0x195/0x195 [ 186.313544][ T25] ? __kasan_check_write+0x14/0x20 [ 186.337633][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 186.342483][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 186.357667][ T25] schedule+0x14b/0x1e0 [ 186.361826][ T25] schedule_preempt_disabled+0x13/0x20 [ 186.367365][ T25] __mutex_lock+0x946/0x11e0 [ 186.387652][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 186.394502][ T25] ? current_time+0x1c4/0x310 [ 186.407654][ T25] ? avc_has_perm+0x16d/0x260 [ 186.412335][ T25] __mutex_lock_slowpath+0xe/0x10 [ 186.417343][ T25] mutex_lock+0xd7/0x110 [ 186.437633][ T25] ? mutex_trylock+0xb0/0xb0 [ 186.442219][ T25] pipe_write+0x130/0x1900 [ 186.446705][ T25] ? match_file+0x140/0x140 [ 186.467651][ T25] ? selinux_file_permission+0x3fd/0x520 [ 186.473408][ T25] ? pipe_read+0x1070/0x1070 [ 186.487650][ T25] ? fsnotify_perm+0x67/0x4e0 [ 186.492323][ T25] ? security_file_permission+0x9d/0xc0 [ 186.507650][ T25] ? security_file_permission+0xa8/0xc0 [ 186.513240][ T25] ? iov_iter_init+0x3f/0x120 [ 186.527651][ T25] vfs_write+0xc1c/0xf40 [ 186.531894][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 186.537088][ T25] ? kernel_write+0x3c0/0x3c0 [ 186.557632][ T25] ? __fget_files+0x310/0x370 [ 186.562395][ T25] ? __fdget_pos+0x1fe/0x310 [ 186.566969][ T25] ? ksys_write+0x77/0x2c0 [ 186.577634][ T25] ksys_write+0x198/0x2c0 [ 186.582079][ T25] ? __kasan_check_write+0x14/0x20 [ 186.587181][ T25] ? __ia32_sys_read+0x90/0x90 [ 186.607696][ T25] __x64_sys_write+0x7b/0x90 [ 186.612414][ T25] do_syscall_64+0x34/0x70 [ 186.627701][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 186.633606][ T25] RIP: 0033:0x7f1c226a3109 [ 186.647652][ T25] RSP: 002b:00007f1c225f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 186.656075][ T25] RAX: ffffffffffffffda RBX: 00007f1c227b6030 RCX: 00007f1c226a3109 [ 186.687627][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 186.695602][ T25] RBP: 00007f1c226fd08d R08: 0000000000000000 R09: 0000000000000000 [ 186.717652][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 186.725629][ T25] R13: 00007ffc637cc6cf R14: 00007f1c225f8300 R15: 0000000000022000 [ 186.747654][ T25] INFO: task syz-executor.3:466 blocked for more than 145 seconds. [ 186.755534][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 186.777662][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 186.786340][ T25] task:syz-executor.3 state:D stack: 0 pid: 466 ppid: 426 flags:0x00004004 [ 186.817673][ T25] Call Trace: [ 186.820997][ T25] __schedule+0x866/0xc00 [ 186.825490][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 186.847672][ T25] ? release_firmware_map_entry+0x195/0x195 [ 186.853567][ T25] ? __kasan_check_write+0x14/0x20 [ 186.867635][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 186.872480][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 186.887636][ T25] schedule+0x14b/0x1e0 [ 186.891872][ T25] schedule_preempt_disabled+0x13/0x20 [ 186.897320][ T25] __mutex_lock+0x946/0x11e0 [ 186.917636][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 186.924647][ T25] ? current_time+0x1c4/0x310 [ 186.937681][ T25] ? avc_has_perm+0x16d/0x260 [ 186.942377][ T25] __mutex_lock_slowpath+0xe/0x10 [ 186.947393][ T25] mutex_lock+0xd7/0x110 [ 186.967635][ T25] ? mutex_trylock+0xb0/0xb0 [ 186.972227][ T25] pipe_write+0x130/0x1900 [ 186.976630][ T25] ? match_file+0x140/0x140 [ 186.997639][ T25] ? selinux_file_permission+0x3fd/0x520 [ 187.003280][ T25] ? pipe_read+0x1070/0x1070 [ 187.017649][ T25] ? fsnotify_perm+0x67/0x4e0 [ 187.022580][ T25] ? security_file_permission+0x9d/0xc0 [ 187.037630][ T25] ? security_file_permission+0xa8/0xc0 [ 187.043168][ T25] ? iov_iter_init+0x3f/0x120 [ 187.057680][ T25] vfs_write+0xc1c/0xf40 [ 187.061941][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 187.067145][ T25] ? kernel_write+0x3c0/0x3c0 [ 187.087646][ T25] ? __fget_files+0x310/0x370 [ 187.092676][ T25] ? __fdget_pos+0x1fe/0x310 [ 187.097258][ T25] ? ksys_write+0x77/0x2c0 [ 187.117681][ T25] ksys_write+0x198/0x2c0 [ 187.122030][ T25] ? __kasan_check_write+0x14/0x20 [ 187.127127][ T25] ? __ia32_sys_read+0x90/0x90 [ 187.147638][ T25] __x64_sys_write+0x7b/0x90 [ 187.152321][ T25] do_syscall_64+0x34/0x70 [ 187.156726][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 187.177628][ T25] RIP: 0033:0x7f2a9d08b109 [ 187.182036][ T25] RSP: 002b:00007f2a9cfe0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 187.207629][ T25] RAX: ffffffffffffffda RBX: 00007f2a9d19e030 RCX: 00007f2a9d08b109 [ 187.215601][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 187.237626][ T25] RBP: 00007f2a9d0e508d R08: 0000000000000000 R09: 0000000000000000 [ 187.246299][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 187.267629][ T25] R13: 00007ffec0a5b2df R14: 00007f2a9cfe0300 R15: 0000000000022000 [ 187.275616][ T25] INFO: task syz-executor.5:477 blocked for more than 146 seconds. [ 187.297699][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 187.305229][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 187.337659][ T25] task:syz-executor.5 state:D stack: 0 pid: 477 ppid: 429 flags:0x00004004 [ 187.346889][ T25] Call Trace: [ 187.357638][ T25] __schedule+0x866/0xc00 [ 187.362004][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 187.377644][ T25] ? release_firmware_map_entry+0x195/0x195 [ 187.383614][ T25] ? __kasan_check_write+0x14/0x20 [ 187.397637][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 187.402407][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 187.427628][ T25] schedule+0x14b/0x1e0 [ 187.432037][ T25] schedule_preempt_disabled+0x13/0x20 [ 187.437482][ T25] __mutex_lock+0x946/0x11e0 [ 187.457637][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 187.466499][ T25] ? current_time+0x1c4/0x310 [ 187.477635][ T25] ? avc_has_perm+0x16d/0x260 [ 187.482313][ T25] __mutex_lock_slowpath+0xe/0x10 [ 187.487322][ T25] mutex_lock+0xd7/0x110 [ 187.507635][ T25] ? mutex_trylock+0xb0/0xb0 [ 187.512225][ T25] pipe_write+0x130/0x1900 [ 187.516627][ T25] ? match_file+0x140/0x140 [ 187.537632][ T25] ? selinux_file_permission+0x3fd/0x520 [ 187.543255][ T25] ? pipe_read+0x1070/0x1070 [ 187.557640][ T25] ? fsnotify_perm+0x67/0x4e0 [ 187.562417][ T25] ? security_file_permission+0x9d/0xc0 [ 187.577632][ T25] ? security_file_permission+0xa8/0xc0 [ 187.583170][ T25] ? iov_iter_init+0x3f/0x120 [ 187.597630][ T25] vfs_write+0xc1c/0xf40 [ 187.601865][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 187.607049][ T25] ? kernel_write+0x3c0/0x3c0 [ 187.627678][ T25] ? __fget_files+0x310/0x370 [ 187.632379][ T25] ? __fdget_pos+0x1fe/0x310 [ 187.636960][ T25] ? ksys_write+0x77/0x2c0 [ 187.657631][ T25] ksys_write+0x198/0x2c0 [ 187.661976][ T25] ? __kasan_check_write+0x14/0x20 [ 187.667074][ T25] ? __ia32_sys_read+0x90/0x90 [ 187.687635][ T25] __x64_sys_write+0x7b/0x90 [ 187.692238][ T25] do_syscall_64+0x34/0x70 [ 187.696641][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 187.707654][ T25] RIP: 0033:0x7fe3541e4109 [ 187.712155][ T25] RSP: 002b:00007fe354139168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 187.737663][ T25] RAX: ffffffffffffffda RBX: 00007fe3542f7030 RCX: 00007fe3541e4109 [ 187.745675][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 187.767644][ T25] RBP: 00007fe35423e08d R08: 0000000000000000 R09: 0000000000000000 [ 187.775730][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 187.808040][ T25] R13: 00007fffacb1632f R14: 00007fe354139300 R15: 0000000000022000 [ 187.816043][ T25] NMI backtrace for cpu 1 [ 187.820399][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 187.830176][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.840223][ T25] Call Trace: [ 187.843850][ T25] dump_stack_lvl+0x1e2/0x24b [ 187.848689][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 187.854920][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 187.860362][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 187.865893][ T25] ? __rcu_read_unlock+0x90/0x90 [ 187.870817][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 187.876868][ T25] dump_stack+0x15/0x17 [ 187.881105][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 187.887121][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 187.893030][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 187.899361][ T25] ? __kasan_check_write+0x14/0x20 [ 187.904463][ T25] ? hung_task_panic+0x20/0x20 [ 187.909216][ T25] watchdog+0x13e/0x170 [ 187.913369][ T25] kthread+0x349/0x3d0 [ 187.917510][ T25] ? hungtask_pm_notify+0x50/0x50 [ 187.922553][ T25] ? kthread_blkcg+0xd0/0xd0 [ 187.927129][ T25] ret_from_fork+0x1f/0x30 [ 187.931589][ T25] Sending NMI from CPU 1 to CPUs 0: [ 187.937435][ C0] NMI backtrace for cpu 0 [ 187.937441][ C0] CPU: 0 PID: 453 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 187.937446][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.937449][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 187.937459][ C0] Code: c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 be 0c 00 00 00 48 c7 c7 60 dc fb 85 e8 9b c6 39 00 5d c3 cc cc cc cc cc cc cc cc cc <55> 48 89 e5 48 8b 45 08 65 48 8b 0c 25 80 6d 02 00 65 8b 15 24 bb [ 187.937462][ C0] RSP: 0018:ffffc900010c6f18 EFLAGS: 00000206 [ 187.937471][ C0] RAX: 1ffff92000218f7a RBX: 0000000000001000 RCX: 0000000000000000 [ 187.937475][ C0] RDX: ffff88810daa4f00 RSI: 0000000000000000 RDI: 0000000000001000 [ 187.937480][ C0] RBP: ffffc900010c7070 R08: ffffffff824adae1 R09: ffffffff824ada95 [ 187.937484][ C0] R10: 0000000000000002 R11: ffff88810daa4f00 R12: 1ffff92000218df8 [ 187.937488][ C0] R13: 0000000000000000 R14: 0000000000000011 R15: dffffc0000000000 [ 187.937492][ C0] FS: 00007f1c22619700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 187.937496][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 187.937500][ C0] CR2: 00007fb01b7994c0 CR3: 00000001100af000 CR4: 00000000003506b0 [ 187.937504][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 187.937508][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 187.937510][ C0] Call Trace: [ 187.937513][ C0] ? iov_iter_advance+0x10f/0xb20 [ 187.937517][ C0] ? sysvec_apic_timer_interrupt+0xcb/0xe0 [ 187.937520][ C0] ? _copy_from_iter_full+0xa30/0xa30 [ 187.937522][ C0] ? bio_add_page+0x146/0x450 [ 187.937525][ C0] ? bio_add_page+0x2d3/0x450 [ 187.937528][ C0] bio_iov_iter_get_pages+0x24a/0x4d0 [ 187.937531][ C0] iomap_dio_bio_actor+0x832/0x12f0 [ 187.937534][ C0] iomap_dio_actor+0x34f/0x570 [ 187.937536][ C0] iomap_apply+0x3ab/0x7f0 [ 187.937539][ C0] ? asan.module_dtor+0x20/0x20 [ 187.937542][ C0] ? filemap_check_errors+0xd3/0x120 [ 187.937545][ C0] __iomap_dio_rw+0x716/0x10d0 [ 187.937547][ C0] ? __iomap_dio_rw+0x10d0/0x10d0 [ 187.937550][ C0] ? iomap_dio_complete+0x6c0/0x6c0 [ 187.937554][ C0] ? jbd2_journal_start_reserved+0x3b0/0x3b0 [ 187.937556][ C0] ? __ext4_read_dirblock+0xdd0/0xdd0 [ 187.937559][ C0] iomap_dio_rw+0x35/0x80 [ 187.937562][ C0] ? ext4_file_write_iter+0x881/0x1cd0 [ 187.937565][ C0] ext4_file_write_iter+0x105d/0x1cd0 [ 187.937568][ C0] ? ext4_file_write_iter+0x881/0x1cd0 [ 187.937571][ C0] ? ext4_file_read_iter+0x4d0/0x4d0 [ 187.937574][ C0] ? __schedule+0x86e/0xc00 [ 187.937577][ C0] do_iter_readv_writev+0x52a/0x720 [ 187.937579][ C0] ? fsnotify_file+0x220/0x220 [ 187.937582][ C0] ? security_file_permission+0x9d/0xc0 [ 187.937585][ C0] ? security_file_permission+0xa8/0xc0 [ 187.937588][ C0] ? rw_verify_area+0x1c2/0x360 [ 187.937591][ C0] ? __irq_exit_rcu+0x41/0x150 [ 187.937593][ C0] do_iter_write+0x182/0x660 [ 187.937597][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 187.937602][ C0] vfs_iter_write+0x7c/0xa0 [ 187.937605][ C0] iter_file_splice_write+0x8a1/0x10c0 [ 187.937607][ C0] ? splice_from_pipe+0x220/0x220 [ 187.937609][ C0] ? avc_policy_seqno+0x1b/0x70 [ 187.937612][ C0] ? fsnotify_perm+0x67/0x4e0 [ 187.937614][ C0] ? security_file_permission+0xa8/0xc0 [ 187.937617][ C0] ? rw_verify_area+0x1c2/0x360 [ 187.937619][ C0] ? splice_from_pipe+0x220/0x220 [ 187.937622][ C0] do_splice+0xe4e/0x1900 [ 187.937625][ C0] ? putname+0xf8/0x150 [ 187.937627][ C0] ? __fget_files+0x310/0x370 [ 187.937630][ C0] ? direct_splice_actor+0x130/0x130 [ 187.937633][ C0] ? __fdget+0x1ba/0x240 [ 187.937635][ C0] __se_sys_splice+0x2a8/0x410 [ 187.937638][ C0] ? __x64_sys_splice+0x100/0x100 [ 187.937641][ C0] __x64_sys_splice+0xe5/0x100 [ 187.937644][ C0] do_syscall_64+0x34/0x70 [ 187.937647][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 187.937649][ C0] RIP: 0033:0x7f1c226a3109 [ 187.937658][ C0] 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 [ 187.937661][ C0] RSP: 002b:00007f1c22619168 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 187.937668][ C0] RAX: ffffffffffffffda RBX: 00007f1c227b5f60 RCX: 00007f1c226a3109 [ 187.937672][ C0] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 [ 187.937677][ C0] RBP: 00007f1c226fd08d R08: 00000000088000cc R09: 0000000000000000 [ 187.937681][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 187.937685][ C0] R13: 00007ffc637cc6cf R14: 00007f1c22619300 R15: 0000000000022000 [ 208.607684][ T25] INFO: task syz-executor.1:456 blocked for more than 167 seconds. [ 208.615598][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 208.637631][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 208.646323][ T25] task:syz-executor.1 state:D stack: 0 pid: 456 ppid: 421 flags:0x00004004 [ 208.677624][ T25] Call Trace: [ 208.680936][ T25] __schedule+0x866/0xc00 [ 208.685252][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 208.697633][ T25] ? release_firmware_map_entry+0x195/0x195 [ 208.703542][ T25] ? __kasan_check_write+0x14/0x20 [ 208.727658][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 208.732423][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 208.747644][ T25] schedule+0x14b/0x1e0 [ 208.751800][ T25] schedule_preempt_disabled+0x13/0x20 [ 208.757240][ T25] __mutex_lock+0x946/0x11e0 [ 208.777630][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 208.784396][ T25] ? current_time+0x1c4/0x310 [ 208.797696][ T25] ? avc_has_perm+0x16d/0x260 [ 208.802455][ T25] __mutex_lock_slowpath+0xe/0x10 [ 208.807488][ T25] mutex_lock+0xd7/0x110 [ 208.827646][ T25] ? mutex_trylock+0xb0/0xb0 [ 208.832240][ T25] pipe_write+0x130/0x1900 [ 208.847671][ T25] ? match_file+0x140/0x140 [ 208.852172][ T25] ? selinux_file_permission+0x3fd/0x520 [ 208.867642][ T25] ? pipe_read+0x1070/0x1070 [ 208.872226][ T25] ? fsnotify_perm+0x67/0x4e0 [ 208.877058][ T25] ? security_file_permission+0x9d/0xc0 [ 208.897622][ T25] ? security_file_permission+0xa8/0xc0 [ 208.903446][ T25] ? iov_iter_init+0x3f/0x120 [ 208.917619][ T25] vfs_write+0xc1c/0xf40 [ 208.921853][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 208.927209][ T25] ? kernel_write+0x3c0/0x3c0 [ 208.947635][ T25] ? __fget_files+0x310/0x370 [ 208.952307][ T25] ? __fdget_pos+0x1fe/0x310 [ 208.956878][ T25] ? ksys_write+0x77/0x2c0 [ 208.976593][ T25] ksys_write+0x198/0x2c0 [ 208.981068][ T25] ? __kasan_check_write+0x14/0x20 [ 208.986168][ T25] ? __ia32_sys_read+0x90/0x90 [ 209.007637][ T25] __x64_sys_write+0x7b/0x90 [ 209.012226][ T25] do_syscall_64+0x34/0x70 [ 209.016626][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 209.037617][ T25] RIP: 0033:0x7f1c226a3109 [ 209.042200][ T25] RSP: 002b:00007f1c225f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 209.057619][ T25] RAX: ffffffffffffffda RBX: 00007f1c227b6030 RCX: 00007f1c226a3109 [ 209.065600][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 209.097628][ T25] RBP: 00007f1c226fd08d R08: 0000000000000000 R09: 0000000000000000 [ 209.105611][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 209.127632][ T25] R13: 00007ffc637cc6cf R14: 00007f1c225f8300 R15: 0000000000022000 [ 209.137739][ T25] INFO: task syz-executor.3:466 blocked for more than 167 seconds. [ 209.145620][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 209.177621][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 209.186573][ T25] task:syz-executor.3 state:D stack: 0 pid: 466 ppid: 426 flags:0x00004004 [ 209.207621][ T25] Call Trace: [ 209.210922][ T25] __schedule+0x866/0xc00 [ 209.215244][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 209.237626][ T25] ? release_firmware_map_entry+0x195/0x195 [ 209.243532][ T25] ? __kasan_check_write+0x14/0x20 [ 209.257621][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 209.262398][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 209.277627][ T25] schedule+0x14b/0x1e0 [ 209.281781][ T25] schedule_preempt_disabled+0x13/0x20 [ 209.287225][ T25] __mutex_lock+0x946/0x11e0 [ 209.307626][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 209.314383][ T25] ? current_time+0x1c4/0x310 [ 209.327650][ T25] ? avc_has_perm+0x16d/0x260 [ 209.332328][ T25] __mutex_lock_slowpath+0xe/0x10 [ 209.337343][ T25] mutex_lock+0xd7/0x110 [ 209.357646][ T25] ? mutex_trylock+0xb0/0xb0 [ 209.362250][ T25] pipe_write+0x130/0x1900 [ 209.366653][ T25] ? match_file+0x140/0x140 [ 209.387635][ T25] ? selinux_file_permission+0x3fd/0x520 [ 209.393269][ T25] ? pipe_read+0x1070/0x1070 [ 209.407634][ T25] ? fsnotify_perm+0x67/0x4e0 [ 209.412401][ T25] ? security_file_permission+0x9d/0xc0 [ 209.427624][ T25] ? security_file_permission+0xa8/0xc0 [ 209.433169][ T25] ? iov_iter_init+0x3f/0x120 [ 209.447638][ T25] vfs_write+0xc1c/0xf40 [ 209.451875][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 209.457173][ T25] ? kernel_write+0x3c0/0x3c0 [ 209.477624][ T25] ? __fget_files+0x310/0x370 [ 209.482310][ T25] ? __fdget_pos+0x1fe/0x310 [ 209.487317][ T25] ? ksys_write+0x77/0x2c0 [ 209.507632][ T25] ksys_write+0x198/0x2c0 [ 209.511960][ T25] ? __kasan_check_write+0x14/0x20 [ 209.517151][ T25] ? __ia32_sys_read+0x90/0x90 [ 209.537625][ T25] __x64_sys_write+0x7b/0x90 [ 209.542476][ T25] do_syscall_64+0x34/0x70 [ 209.546879][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 209.567631][ T25] RIP: 0033:0x7f2a9d08b109 [ 209.572052][ T25] RSP: 002b:00007f2a9cfe0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 209.587616][ T25] RAX: ffffffffffffffda RBX: 00007f2a9d19e030 RCX: 00007f2a9d08b109 [ 209.595672][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 209.627632][ T25] RBP: 00007f2a9d0e508d R08: 0000000000000000 R09: 0000000000000000 [ 209.635624][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 209.657639][ T25] R13: 00007ffec0a5b2df R14: 00007f2a9cfe0300 R15: 0000000000022000 [ 209.665654][ T25] INFO: task syz-executor.5:477 blocked for more than 168 seconds. [ 209.687642][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 209.695352][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 209.727620][ T25] task:syz-executor.5 state:D stack: 0 pid: 477 ppid: 429 flags:0x00004004 [ 209.736913][ T25] Call Trace: [ 209.747636][ T25] __schedule+0x866/0xc00 [ 209.751961][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 209.767640][ T25] ? release_firmware_map_entry+0x195/0x195 [ 209.773688][ T25] ? __kasan_check_write+0x14/0x20 [ 209.787629][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 209.792658][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 209.807632][ T25] schedule+0x14b/0x1e0 [ 209.811785][ T25] schedule_preempt_disabled+0x13/0x20 [ 209.817233][ T25] __mutex_lock+0x946/0x11e0 [ 209.837645][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 209.844607][ T25] ? current_time+0x1c4/0x310 [ 209.867639][ T25] ? avc_has_perm+0x16d/0x260 [ 209.872436][ T25] __mutex_lock_slowpath+0xe/0x10 [ 209.877559][ T25] mutex_lock+0xd7/0x110 [ 209.897672][ T25] ? mutex_trylock+0xb0/0xb0 [ 209.902475][ T25] pipe_write+0x130/0x1900 [ 209.907001][ T25] ? match_file+0x140/0x140 [ 209.927676][ T25] ? selinux_file_permission+0x3fd/0x520 [ 209.933417][ T25] ? pipe_read+0x1070/0x1070 [ 209.938236][ T25] ? fsnotify_perm+0x67/0x4e0 [ 209.943081][ T25] ? security_file_permission+0x9d/0xc0 [ 209.967666][ T25] ? security_file_permission+0xa8/0xc0 [ 209.973231][ T25] ? iov_iter_init+0x3f/0x120 [ 209.987645][ T25] vfs_write+0xc1c/0xf40 [ 209.991929][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 209.997114][ T25] ? kernel_write+0x3c0/0x3c0 [ 210.017670][ T25] ? __fget_files+0x310/0x370 [ 210.022401][ T25] ? __fdget_pos+0x1fe/0x310 [ 210.026981][ T25] ? ksys_write+0x77/0x2c0 [ 210.047634][ T25] ksys_write+0x198/0x2c0 [ 210.051970][ T25] ? __kasan_check_write+0x14/0x20 [ 210.057079][ T25] ? __ia32_sys_read+0x90/0x90 [ 210.077622][ T25] __x64_sys_write+0x7b/0x90 [ 210.082213][ T25] do_syscall_64+0x34/0x70 [ 210.086794][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 210.107640][ T25] RIP: 0033:0x7fe3541e4109 [ 210.112070][ T25] RSP: 002b:00007fe354139168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 210.127619][ T25] RAX: ffffffffffffffda RBX: 00007fe3542f7030 RCX: 00007fe3541e4109 [ 210.135811][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 210.157623][ T25] RBP: 00007fe35423e08d R08: 0000000000000000 R09: 0000000000000000 [ 210.165876][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 210.187658][ T25] R13: 00007fffacb1632f R14: 00007fe354139300 R15: 0000000000022000 [ 210.195846][ T25] NMI backtrace for cpu 0 [ 210.200234][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 210.210024][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.220064][ T25] Call Trace: [ 210.223431][ T25] dump_stack_lvl+0x1e2/0x24b [ 210.228094][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 210.234269][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 210.239833][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 210.245378][ T25] ? __rcu_read_unlock+0x90/0x90 [ 210.250308][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 210.256370][ T25] dump_stack+0x15/0x17 [ 210.260545][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 210.266506][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 210.272380][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 210.278693][ T25] ? __kasan_check_write+0x14/0x20 [ 210.283872][ T25] ? hung_task_panic+0x20/0x20 [ 210.288622][ T25] watchdog+0x13e/0x170 [ 210.292764][ T25] kthread+0x349/0x3d0 [ 210.296820][ T25] ? hungtask_pm_notify+0x50/0x50 [ 210.301829][ T25] ? kthread_blkcg+0xd0/0xd0 [ 210.306404][ T25] ret_from_fork+0x1f/0x30 [ 210.310924][ T25] Sending NMI from CPU 0 to CPUs 1: [ 210.316653][ C1] NMI backtrace for cpu 1 [ 210.316659][ C1] CPU: 1 PID: 453 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 210.316664][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.316668][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x31/0xb0 [ 210.316676][ C1] Code: 08 65 48 8b 14 25 80 6d 02 00 65 8b 0d b4 b6 95 7e f7 c1 00 01 ff 00 74 11 f7 c1 00 01 00 00 74 7a 83 ba ac 0a 00 00 00 74 71 <8b> 8a 88 0a 00 00 83 f9 03 75 66 48 8b 8a 90 0a 00 00 8b 82 8c 0a [ 210.316680][ C1] RSP: 0018:ffffc900010c7070 EFLAGS: 00000246 [ 210.316687][ C1] RAX: ffff88810c9d5a10 RBX: 0000000000000000 RCX: 0000000080000000 [ 210.316691][ C1] RDX: ffff88810daa4f00 RSI: 0000000000000000 RDI: 000000000000000d [ 210.316695][ C1] RBP: ffffc900010c7070 R08: ffffffff8239b3a7 R09: ffffffff824ada95 [ 210.316699][ C1] R10: 0000000000000002 R11: ffff88810daa4f00 R12: dffffc0000000000 [ 210.316703][ C1] R13: ffff88810c9d5a00 R14: ffff88810c9d5a6a R15: 1ffff1102193ab4d [ 210.316707][ C1] FS: 00007f1c22619700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 210.316711][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 210.316715][ C1] CR2: 00007fb01b730200 CR3: 00000001100af000 CR4: 00000000003506a0 [ 210.316719][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 210.316723][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 210.316725][ C1] Call Trace: [ 210.316728][ C1] bio_iov_iter_get_pages+0xf7/0x4d0 [ 210.316730][ C1] iomap_dio_bio_actor+0x832/0x12f0 [ 210.316733][ C1] iomap_dio_actor+0x34f/0x570 [ 210.316736][ C1] iomap_apply+0x3ab/0x7f0 [ 210.316739][ C1] ? asan.module_dtor+0x20/0x20 [ 210.316741][ C1] ? filemap_check_errors+0xd3/0x120 [ 210.316744][ C1] __iomap_dio_rw+0x716/0x10d0 [ 210.316747][ C1] ? __iomap_dio_rw+0x10d0/0x10d0 [ 210.316750][ C1] ? iomap_dio_complete+0x6c0/0x6c0 [ 210.316753][ C1] ? jbd2_journal_start_reserved+0x3b0/0x3b0 [ 210.316756][ C1] ? __ext4_read_dirblock+0xdd0/0xdd0 [ 210.316758][ C1] iomap_dio_rw+0x35/0x80 [ 210.316761][ C1] ? ext4_file_write_iter+0x881/0x1cd0 [ 210.316764][ C1] ext4_file_write_iter+0x105d/0x1cd0 [ 210.316767][ C1] ? ext4_file_write_iter+0x881/0x1cd0 [ 210.316770][ C1] ? ext4_file_read_iter+0x4d0/0x4d0 [ 210.316773][ C1] ? __schedule+0x86e/0xc00 [ 210.316776][ C1] do_iter_readv_writev+0x52a/0x720 [ 210.316778][ C1] ? fsnotify_file+0x220/0x220 [ 210.316781][ C1] ? security_file_permission+0x9d/0xc0 [ 210.316784][ C1] ? security_file_permission+0xa8/0xc0 [ 210.316787][ C1] ? rw_verify_area+0x1c2/0x360 [ 210.316790][ C1] ? __irq_exit_rcu+0x41/0x150 [ 210.316792][ C1] do_iter_write+0x182/0x660 [ 210.316795][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 210.316805][ C1] vfs_iter_write+0x7c/0xa0 [ 210.316808][ C1] iter_file_splice_write+0x8a1/0x10c0 [ 210.316811][ C1] ? splice_from_pipe+0x220/0x220 [ 210.316814][ C1] ? avc_policy_seqno+0x1b/0x70 [ 210.316816][ C1] ? fsnotify_perm+0x67/0x4e0 [ 210.316819][ C1] ? security_file_permission+0xa8/0xc0 [ 210.316822][ C1] ? rw_verify_area+0x1c2/0x360 [ 210.316825][ C1] ? splice_from_pipe+0x220/0x220 [ 210.316828][ C1] do_splice+0xe4e/0x1900 [ 210.316830][ C1] ? putname+0xf8/0x150 [ 210.316833][ C1] ? __fget_files+0x310/0x370 [ 210.316836][ C1] ? direct_splice_actor+0x130/0x130 [ 210.316838][ C1] ? __fdget+0x1ba/0x240 [ 210.316841][ C1] __se_sys_splice+0x2a8/0x410 [ 210.316844][ C1] ? __x64_sys_splice+0x100/0x100 [ 210.316846][ C1] __x64_sys_splice+0xe5/0x100 [ 210.316849][ C1] do_syscall_64+0x34/0x70 [ 210.316852][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 210.316855][ C1] RIP: 0033:0x7f1c226a3109 [ 210.316863][ C1] 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 [ 210.316867][ C1] RSP: 002b:00007f1c22619168 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 210.316874][ C1] RAX: ffffffffffffffda RBX: 00007f1c227b5f60 RCX: 00007f1c226a3109 [ 210.316878][ C1] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 [ 210.316882][ C1] RBP: 00007f1c226fd08d R08: 00000000088000cc R09: 0000000000000000 [ 210.316886][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 210.316890][ C1] R13: 00007ffc637cc6cf R14: 00007f1c22619300 R15: 0000000000022000 [ 231.007663][ T25] INFO: task syz-executor.1:456 blocked for more than 189 seconds. [ 231.015655][ T25] Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 231.037606][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 231.046336][ T25] task:syz-executor.1 state:D stack: 0 pid: 456 ppid: 421 flags:0x00004004 [ 231.077641][ T25] Call Trace: [ 231.081115][ T25] __schedule+0x866/0xc00 [ 231.085446][ T25] ? schedule_preempt_disabled+0x20/0x20 [ 231.097622][ T25] ? release_firmware_map_entry+0x195/0x195 [ 231.103513][ T25] ? __kasan_check_write+0x14/0x20 [ 231.127610][ T25] ? _raw_spin_lock+0xa3/0x1b0 [ 231.132458][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 231.147620][ T25] schedule+0x14b/0x1e0 [ 231.151775][ T25] schedule_preempt_disabled+0x13/0x20 [ 231.157222][ T25] __mutex_lock+0x946/0x11e0 [ 231.177609][ T25] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 231.184364][ T25] ? current_time+0x1c4/0x310 [ 231.197619][ T25] ? avc_has_perm+0x16d/0x260 [ 231.202297][ T25] __mutex_lock_slowpath+0xe/0x10 [ 231.207370][ T25] mutex_lock+0xd7/0x110 [ 231.227608][ T25] ? mutex_trylock+0xb0/0xb0 [ 231.232368][ T25] pipe_write+0x130/0x1900 [ 231.236782][ T25] ? match_file+0x140/0x140 [ 231.257616][ T25] ? selinux_file_permission+0x3fd/0x520 [ 231.263248][ T25] ? pipe_read+0x1070/0x1070 [ 231.277651][ T25] ? fsnotify_perm+0x67/0x4e0 [ 231.282671][ T25] ? security_file_permission+0x9d/0xc0 [ 231.297611][ T25] ? security_file_permission+0xa8/0xc0 [ 231.303249][ T25] ? iov_iter_init+0x3f/0x120 [ 231.317622][ T25] vfs_write+0xc1c/0xf40 [ 231.321873][ T25] ? futex_exit_release+0x1d0/0x1d0 [ 231.327056][ T25] ? kernel_write+0x3c0/0x3c0 [ 231.347640][ T25] ? __fget_files+0x310/0x370 [ 231.352422][ T25] ? __fdget_pos+0x1fe/0x310 [ 231.357002][ T25] ? ksys_write+0x77/0x2c0 [ 231.367614][ T25] ksys_write+0x198/0x2c0 [ 231.371940][ T25] ? __kasan_check_write+0x14/0x20 [ 231.377037][ T25] ? __ia32_sys_read+0x90/0x90 [ 231.397613][ T25] __x64_sys_write+0x7b/0x90 [ 231.402293][ T25] do_syscall_64+0x34/0x70 [ 231.406720][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 231.427607][ T25] RIP: 0033:0x7f1c226a3109 [ 231.432068][ T25] RSP: 002b:00007f1c225f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 231.457604][ T25] RAX: ffffffffffffffda RBX: 00007f1c227b6030 RCX: 00007f1c226a3109 [ 231.465577][ T25] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 231.487602][ T25] RBP: 00007f1c226fd08d R08: 0000000000000000 R09: 0000000000000000 [ 231.495576][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 231.517603][ T25] R13: 00007ffc637cc6cf R14: 00007f1c225f8300 R15: 0000000000022000 [ 231.525592][ T25] NMI backtrace for cpu 1 [ 231.529937][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 231.539815][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.549875][ T25] Call Trace: [ 231.553195][ T25] dump_stack_lvl+0x1e2/0x24b [ 231.557857][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 231.563993][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 231.569473][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 231.575003][ T25] ? __rcu_read_unlock+0x90/0x90 [ 231.580016][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 231.586164][ T25] dump_stack+0x15/0x17 [ 231.590331][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 231.596416][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 231.602326][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 231.608648][ T25] ? __kasan_check_write+0x14/0x20 [ 231.613750][ T25] ? hung_task_panic+0x20/0x20 [ 231.618500][ T25] watchdog+0x13e/0x170 [ 231.622648][ T25] kthread+0x349/0x3d0 [ 231.626813][ T25] ? hungtask_pm_notify+0x50/0x50 [ 231.631913][ T25] ? kthread_blkcg+0xd0/0xd0 [ 231.636488][ T25] ret_from_fork+0x1f/0x30 [ 231.641253][ T25] Sending NMI from CPU 1 to CPUs 0: [ 231.646998][ C0] NMI backtrace for cpu 0 [ 231.647004][ C0] CPU: 0 PID: 465 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8 #0 [ 231.647009][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.647013][ C0] RIP: 0010:__sanitizer_cov_trace_cmp8+0x1/0xa0 [ 231.647022][ C0] Code: 48 83 cf 10 48 89 04 39 48 83 ca 18 4c 89 14 11 4c 89 44 f1 20 49 ff c1 4c 89 09 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 55 <48> 89 e5 4c 8b 45 08 65 48 8b 14 25 80 6d 02 00 65 8b 0d b4 b8 95 [ 231.647025][ C0] RSP: 0018:ffffc90001186ff8 EFLAGS: 00000206 [ 231.647033][ C0] RAX: 0005800000000000 RBX: 000000013162a000 RCX: 0000000000000000 [ 231.647037][ C0] RDX: ffff88810d8c8000 RSI: 000000013162b000 RDI: 000000013162a000 [ 231.647042][ C0] RBP: ffffc90001187070 R08: ffffffff8239ab65 R09: ffffffff824ada95 [ 231.647046][ C0] R10: 0000000000000002 R11: ffff88810d8c8000 R12: 0000000000000000 [ 231.647050][ C0] R13: 0000000000021000 R14: 000000013162b000 R15: 000000013162b000 [ 231.647054][ C0] FS: 00007f2a9d001700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 231.647058][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 231.647062][ C0] CR2: 00007fb01b7994c0 CR3: 0000000110103000 CR4: 00000000003506b0 [ 231.647066][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 231.647070][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 231.647072][ C0] Call Trace: [ 231.647075][ C0] ? bio_add_page+0x16f/0x450 [ 231.647078][ C0] bio_iov_iter_get_pages+0x21f/0x4d0 [ 231.647081][ C0] iomap_dio_bio_actor+0x832/0x12f0 [ 231.647084][ C0] iomap_dio_actor+0x34f/0x570 [ 231.647086][ C0] iomap_apply+0x3ab/0x7f0 [ 231.647089][ C0] ? asan.module_dtor+0x20/0x20 [ 231.647092][ C0] ? filemap_check_errors+0xd3/0x120 [ 231.647095][ C0] __iomap_dio_rw+0x716/0x10d0 [ 231.647098][ C0] ? __iomap_dio_rw+0x10d0/0x10d0 [ 231.647101][ C0] ? iomap_dio_complete+0x6c0/0x6c0 [ 231.647104][ C0] ? jbd2_journal_start_reserved+0x3b0/0x3b0 [ 231.647107][ C0] ? __ext4_read_dirblock+0xdd0/0xdd0 [ 231.647110][ C0] iomap_dio_rw+0x35/0x80 [ 231.647113][ C0] ? ext4_file_write_iter+0x881/0x1cd0 [ 231.647116][ C0] ext4_file_write_iter+0x105d/0x1cd0 [ 231.647119][ C0] ? ext4_file_write_iter+0x881/0x1cd0 [ 231.647122][ C0] ? ext4_file_read_iter+0x4d0/0x4d0 [ 231.647124][ C0] ? __schedule+0x86e/0xc00 [ 231.647127][ C0] do_iter_readv_writev+0x52a/0x720 [ 231.647130][ C0] ? fsnotify_file+0x220/0x220 [ 231.647133][ C0] ? security_file_permission+0x9d/0xc0 [ 231.647136][ C0] ? security_file_permission+0xa8/0xc0 [ 231.647139][ C0] ? rw_verify_area+0x1c2/0x360 [ 231.647142][ C0] do_iter_write+0x182/0x660 [ 231.647145][ C0] ? sysvec_apic_timer_interrupt+0xcb/0xe0 [ 231.647148][ C0] vfs_iter_write+0x7c/0xa0 [ 231.647151][ C0] iter_file_splice_write+0x8a1/0x10c0 [ 231.647154][ C0] ? splice_from_pipe+0x220/0x220 [ 231.647157][ C0] ? avc_policy_seqno+0x1b/0x70 [ 231.647159][ C0] ? fsnotify_perm+0x67/0x4e0 [ 231.647162][ C0] ? security_file_permission+0xa8/0xc0 [ 231.647165][ C0] ? rw_verify_area+0x1c2/0x360 [ 231.647168][ C0] ? splice_from_pipe+0x220/0x220 [ 231.647171][ C0] do_splice+0xe4e/0x1900 [ 231.647173][ C0] ? putname+0xf8/0x150 [ 231.647176][ C0] ? __fget_files+0x310/0x370 [ 231.647179][ C0] ? direct_splice_actor+0x130/0x130 [ 231.647182][ C0] ? __fdget+0x1ba/0x240 [ 231.647185][ C0] __se_sys_splice+0x2a8/0x410 [ 231.647188][ C0] ? __x64_sys_splice+0x100/0x100 [ 231.647190][ C0] __x64_sys_splice+0xe5/0x100 [ 231.647193][ C0] do_syscall_64+0x34/0x70 [ 231.647196][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 231.647199][ C0] RIP: 0033:0x7f2a9d08b109 [ 231.647207][ C0] 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 [ 231.647211][ C0] RSP: 002b:00007f2a9d001168 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 231.647218][ C0] RAX: ffffffffffffffda RBX: 00007f2a9d19df60 RCX: 00007f2a9d08b109 [ 231.647222][ C0] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 [ 231.647226][ C0] RBP: 00007f2a9d0e508d R08: 00000000088000cc R09: 0000000000000000 [ 231.647230][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 231.647234][ C0] R13: 00007ffec0a5b2df R14: 00007f2a9d001300 R15: 0000000000022000 [ 232.089962][ T23] audit: type=1400 audit(1655413731.400:157): avc: denied { remove_name } for pid=143 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 232.137631][ T23] audit: type=1400 audit(1655413731.400:158): avc: denied { rename } for pid=143 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 [ 232.197623][ T23] audit: type=1400 audit(1655413731.400:159): avc: denied { create } for pid=143 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1