[ 20.421142][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 20.429730][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 20.438156][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 20.452578][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 20.971810][ T177] device bridge_slave_1 left promiscuous mode [ 20.978077][ T177] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.986113][ T177] device bridge_slave_0 left promiscuous mode [ 20.992364][ T177] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.353371][ T24] kauditd_printk_skb: 64 callbacks suppressed [ 31.353378][ T24] audit: type=1400 audit(1658175478.479:147): 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 '10.128.0.227' (ECDSA) to the list of known hosts. 2022/07/18 20:18:05 parsed 1 programs [ 38.124077][ T24] audit: type=1400 audit(1658175485.249:148): 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 [ 38.124368][ T400] cgroup: Unknown subsys name 'net' [ 38.152882][ T400] cgroup: Unknown subsys name 'devices' [ 38.159223][ T400] cgroup: Unknown subsys name 'hugetlb' [ 38.165021][ T400] cgroup: Unknown subsys name 'rlimit' 2022/07/18 20:18:05 executed programs: 0 [ 38.171043][ T24] audit: type=1400 audit(1658175485.299:149): 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 [ 38.213227][ T24] audit: type=1400 audit(1658175485.299:150): 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 [ 38.253420][ T24] audit: type=1400 audit(1658175485.329:151): avc: denied { mounton } for pid=406 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 [ 38.258488][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.277492][ T24] audit: type=1400 audit(1658175485.329:152): avc: denied { module_request } for pid=406 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 38.287184][ T406] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.317167][ T406] device bridge_slave_0 entered promiscuous mode [ 38.349920][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.357088][ T406] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.364906][ T406] device bridge_slave_1 entered promiscuous mode [ 38.410980][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.418140][ T410] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.425555][ T410] device bridge_slave_0 entered promiscuous mode [ 38.434099][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.441155][ T410] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.448776][ T410] device bridge_slave_1 entered promiscuous mode [ 38.514810][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.522133][ T415] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.529700][ T415] device bridge_slave_0 entered promiscuous mode [ 38.540172][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.547306][ T415] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.554804][ T415] device bridge_slave_1 entered promiscuous mode [ 38.591589][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.599189][ T409] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.607097][ T409] device bridge_slave_0 entered promiscuous mode [ 38.614119][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.621186][ T409] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.628514][ T409] device bridge_slave_1 entered promiscuous mode [ 38.647163][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.654443][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.662108][ T417] device bridge_slave_0 entered promiscuous mode [ 38.670236][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.677470][ T416] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.685185][ T416] device bridge_slave_0 entered promiscuous mode [ 38.691990][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.699046][ T416] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.706707][ T416] device bridge_slave_1 entered promiscuous mode [ 38.719673][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.727107][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.734779][ T417] device bridge_slave_1 entered promiscuous mode [ 38.744692][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.751754][ T406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.759342][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.766675][ T406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.789004][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.796071][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.803460][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.810759][ T410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.884172][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.891435][ T415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.898787][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.906188][ T415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.917486][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.924709][ T416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.932255][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.939624][ T416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.958542][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.965706][ T417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.973197][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.980232][ T417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.993959][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.001347][ T409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.008579][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.015784][ T409] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.042705][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.051797][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.060551][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.068271][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.076932][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.086805][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.095871][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.104700][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.112041][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.119401][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.126742][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.133996][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.141457][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.149053][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.156391][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.164213][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.171756][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.206290][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.214900][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.224984][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.233883][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.242506][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.250307][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.258391][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.266957][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.274399][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.282055][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.290395][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.315866][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.324222][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.333077][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.340891][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.349262][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.356342][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.364168][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.372483][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.381010][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.388459][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.396012][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.404295][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.412319][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.420474][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.437752][ T24] audit: type=1400 audit(1658175486.559:153): avc: denied { mount } for pid=410 comm="syz-executor.1" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 39.472919][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.481075][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.489255][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.498142][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.507302][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.530238][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.538671][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.547069][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.554211][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.562303][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.570760][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.579126][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.586302][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.594068][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.602853][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.611484][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.618892][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.626517][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.634875][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.643095][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.651422][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.667046][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.675679][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.692090][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.701047][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.709647][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.719321][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.727807][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.742556][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.750942][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.758829][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.766990][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.775569][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.784774][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.793108][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.814985][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.823546][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.832291][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.839501][ T374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.851882][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.860534][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.868683][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.875869][ T374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.883294][ T24] audit: type=1400 audit(1658175487.009:154): 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 [ 39.906452][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.907829][ T24] audit: type=1400 audit(1658175487.009:155): 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 [ 39.915168][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.938098][ T24] audit: type=1400 audit(1658175487.009:156): 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 [ 39.946994][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.977067][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.020211][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.028445][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.041095][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.050768][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.058768][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.067819][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.076346][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.084851][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.093315][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.101839][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.110274][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.118444][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.127016][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.135393][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.143714][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.152162][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.160679][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.168811][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.177654][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.186131][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.210763][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.226469][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.236019][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.244477][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.259513][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.268421][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.276933][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.285630][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.302580][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.319824][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 163.849835][ T26] INFO: task syz-executor.0:447 blocked for more than 122 seconds. [ 163.857750][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 163.889751][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 163.898629][ T26] task:syz-executor.0 state:D stack: 0 pid: 447 ppid: 406 flags:0x00004004 [ 163.939752][ T26] Call Trace: [ 163.943156][ T26] __schedule+0x866/0xc00 [ 163.947504][ T26] ? release_firmware_map_entry+0x195/0x195 [ 163.978376][ T26] ? __kasan_check_write+0x14/0x20 [ 163.983615][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 163.988368][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 164.009761][ T26] schedule+0x14b/0x1e0 [ 164.014010][ T26] schedule_preempt_disabled+0x13/0x20 [ 164.029798][ T26] __mutex_lock+0x97b/0x12d0 [ 164.035361][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 164.049800][ T26] ? current_time+0x1c4/0x310 [ 164.055222][ T26] ? avc_has_perm+0x16d/0x260 [ 164.069769][ T26] __mutex_lock_slowpath+0xe/0x10 [ 164.075272][ T26] mutex_lock+0xd7/0x110 [ 164.099838][ T26] ? mutex_trylock+0xb0/0xb0 [ 164.105107][ T26] pipe_write+0x130/0x1900 [ 164.109534][ T26] ? match_file+0x140/0x140 [ 164.149802][ T26] ? selinux_file_permission+0x3fd/0x520 [ 164.155804][ T26] ? pipe_read+0x1070/0x1070 [ 164.169754][ T26] ? fsnotify_perm+0x67/0x4e0 [ 164.174580][ T26] ? security_file_permission+0x9d/0xc0 [ 164.189759][ T26] ? security_file_permission+0xa8/0xc0 [ 164.195315][ T26] ? iov_iter_init+0x3f/0x120 [ 164.219758][ T26] vfs_write+0xc1c/0xf40 [ 164.224013][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 164.229211][ T26] ? kernel_write+0x3c0/0x3c0 [ 164.259762][ T26] ? __fget_files+0x310/0x370 [ 164.264472][ T26] ? __fdget_pos+0x1fe/0x310 [ 164.269076][ T26] ? ksys_write+0x77/0x2c0 [ 164.299774][ T26] ksys_write+0x198/0x2c0 [ 164.304133][ T26] ? __kasan_check_write+0x14/0x20 [ 164.309246][ T26] ? __ia32_sys_read+0x90/0x90 [ 164.329757][ T26] __x64_sys_write+0x7b/0x90 [ 164.334364][ T26] do_syscall_64+0x34/0x70 [ 164.359780][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 164.365941][ T26] RIP: 0033:0x7fec6e7ec109 [ 164.379773][ T26] RSP: 002b:00007fec6e741168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 164.388200][ T26] RAX: ffffffffffffffda RBX: 00007fec6e8ff030 RCX: 00007fec6e7ec109 [ 164.429753][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 164.438056][ T26] RBP: 00007fec6e84608d R08: 0000000000000000 R09: 0000000000000000 [ 164.469752][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 164.477736][ T26] R13: 00007ffcfaa3757f R14: 00007fec6e741300 R15: 0000000000022000 [ 164.509788][ T26] INFO: task syz-executor.5:448 blocked for more than 123 seconds. [ 164.517853][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 164.539776][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 164.548709][ T26] task:syz-executor.5 state:D stack: 0 pid: 448 ppid: 416 flags:0x00004004 [ 164.579765][ T26] Call Trace: [ 164.583245][ T26] __schedule+0x866/0xc00 [ 164.587751][ T26] ? release_firmware_map_entry+0x195/0x195 [ 164.609788][ T26] ? __kasan_check_write+0x14/0x20 [ 164.614929][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 164.619689][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 164.659768][ T26] schedule+0x14b/0x1e0 [ 164.663965][ T26] schedule_preempt_disabled+0x13/0x20 [ 164.669430][ T26] __mutex_lock+0x97b/0x12d0 [ 164.699768][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 164.707132][ T26] ? current_time+0x1c4/0x310 [ 164.739834][ T26] ? avc_has_perm+0x16d/0x260 [ 164.744664][ T26] __mutex_lock_slowpath+0xe/0x10 [ 164.769762][ T26] mutex_lock+0xd7/0x110 [ 164.774189][ T26] ? mutex_trylock+0xb0/0xb0 [ 164.778773][ T26] pipe_write+0x130/0x1900 [ 164.809763][ T26] ? match_file+0x140/0x140 [ 164.814377][ T26] ? selinux_file_permission+0x3fd/0x520 [ 164.849807][ T26] ? pipe_read+0x1070/0x1070 [ 164.854818][ T26] ? fsnotify_perm+0x67/0x4e0 [ 164.859487][ T26] ? security_file_permission+0x9d/0xc0 [ 164.889813][ T26] ? security_file_permission+0xa8/0xc0 [ 164.895420][ T26] ? iov_iter_init+0x3f/0x120 [ 164.909790][ T26] vfs_write+0xc1c/0xf40 [ 164.914067][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 164.919276][ T26] ? kernel_write+0x3c0/0x3c0 [ 164.939758][ T26] ? __fget_files+0x310/0x370 [ 164.944532][ T26] ? __fdget_pos+0x1fe/0x310 [ 164.949292][ T26] ? ksys_write+0x77/0x2c0 [ 164.999805][ T26] ksys_write+0x198/0x2c0 [ 165.004165][ T26] ? __kasan_check_write+0x14/0x20 [ 165.009265][ T26] ? __ia32_sys_read+0x90/0x90 [ 165.039766][ T26] __x64_sys_write+0x7b/0x90 [ 165.044377][ T26] do_syscall_64+0x34/0x70 [ 165.048787][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 165.079770][ T26] RIP: 0033:0x7f09f488e109 [ 165.084473][ T26] RSP: 002b:00007f09f47e3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 165.119769][ T26] RAX: ffffffffffffffda RBX: 00007f09f49a1030 RCX: 00007f09f488e109 [ 165.127765][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 165.159755][ T26] RBP: 00007f09f48e808d R08: 0000000000000000 R09: 0000000000000000 [ 165.167829][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 165.209753][ T26] R13: 00007ffe1731974f R14: 00007f09f47e3300 R15: 0000000000022000 [ 165.218373][ T26] INFO: task syz-executor.4:453 blocked for more than 124 seconds. [ 165.249754][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 165.257827][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 165.279805][ T26] task:syz-executor.4 state:D stack: 0 pid: 453 ppid: 417 flags:0x00004004 [ 165.289025][ T26] Call Trace: [ 165.319804][ T26] __schedule+0x866/0xc00 [ 165.324697][ T26] ? release_firmware_map_entry+0x195/0x195 [ 165.349763][ T26] ? __kasan_check_write+0x14/0x20 [ 165.354916][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 165.359665][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 165.389774][ T26] schedule+0x14b/0x1e0 [ 165.393953][ T26] schedule_preempt_disabled+0x13/0x20 [ 165.399396][ T26] __mutex_lock+0x97b/0x12d0 [ 165.429773][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 165.436560][ T26] ? current_time+0x1c4/0x310 [ 165.459781][ T26] ? avc_has_perm+0x16d/0x260 [ 165.464467][ T26] __mutex_lock_slowpath+0xe/0x10 [ 165.469480][ T26] mutex_lock+0xd7/0x110 [ 165.499780][ T26] ? mutex_trylock+0xb0/0xb0 [ 165.504561][ T26] pipe_write+0x130/0x1900 [ 165.508967][ T26] ? match_file+0x140/0x140 [ 165.529764][ T26] ? selinux_file_permission+0x3fd/0x520 [ 165.535427][ T26] ? pipe_read+0x1070/0x1070 [ 165.549757][ T26] ? fsnotify_perm+0x67/0x4e0 [ 165.554439][ T26] ? security_file_permission+0x9d/0xc0 [ 165.569776][ T26] ? security_file_permission+0xa8/0xc0 [ 165.575410][ T26] ? iov_iter_init+0x3f/0x120 [ 165.589758][ T26] vfs_write+0xc1c/0xf40 [ 165.594003][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 165.599192][ T26] ? kernel_write+0x3c0/0x3c0 [ 165.649766][ T26] ? __fget_files+0x310/0x370 [ 165.654471][ T26] ? __fdget_pos+0x1fe/0x310 [ 165.659046][ T26] ? ksys_write+0x77/0x2c0 [ 165.689806][ T26] ksys_write+0x198/0x2c0 [ 165.694169][ T26] ? __kasan_check_write+0x14/0x20 [ 165.699269][ T26] ? __ia32_sys_read+0x90/0x90 [ 165.729766][ T26] __x64_sys_write+0x7b/0x90 [ 165.734368][ T26] do_syscall_64+0x34/0x70 [ 165.738773][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 165.769757][ T26] RIP: 0033:0x7fcaaf97b109 [ 165.774184][ T26] RSP: 002b:00007fcaaf8d0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 165.829761][ T26] RAX: ffffffffffffffda RBX: 00007fcaafa8e030 RCX: 00007fcaaf97b109 [ 165.837944][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 165.869756][ T26] RBP: 00007fcaaf9d508d R08: 0000000000000000 R09: 0000000000000000 [ 165.877840][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 165.899753][ T26] R13: 00007ffd34afba7f R14: 00007fcaaf8d0300 R15: 0000000000022000 [ 165.907799][ T26] NMI backtrace for cpu 0 [ 165.912172][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 165.922499][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 165.932957][ T26] Call Trace: [ 165.936243][ T26] dump_stack_lvl+0x1e2/0x24b [ 165.940993][ T26] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 165.947133][ T26] ? bfq_pos_tree_add_move+0x43e/0x43e [ 165.952583][ T26] ? rcu_read_unlock_special+0xdb/0x4c0 [ 165.958115][ T26] ? __rcu_read_unlock+0x90/0x90 [ 165.963042][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.969093][ T26] dump_stack+0x15/0x17 [ 165.973236][ T26] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 165.979202][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.985078][ T26] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 165.991324][ T26] ? __kasan_check_write+0x14/0x20 [ 165.996426][ T26] ? hung_task_panic+0x20/0x20 [ 166.001175][ T26] watchdog+0x13e/0x170 [ 166.005339][ T26] kthread+0x349/0x3d0 [ 166.009408][ T26] ? hungtask_pm_notify+0x50/0x50 [ 166.014519][ T26] ? kthread_blkcg+0xd0/0xd0 [ 166.019286][ T26] ret_from_fork+0x1f/0x30 [ 166.023778][ T26] Sending NMI from CPU 0 to CPUs 1: [ 166.029418][ C1] NMI backtrace for cpu 1 [ 166.029425][ C1] CPU: 1 PID: 442 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 166.029430][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 166.029433][ C1] RIP: 0010:__sanitizer_cov_trace_cmp8+0x37/0xa0 [ 166.029442][ C1] Code: 80 6d 02 00 65 8b 0d 94 b5 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 0a 00 00 49 c1 e1 [ 166.029445][ C1] RSP: 0018:ffffc90001087070 EFLAGS: 00000246 [ 166.029453][ C1] RAX: 0000000000000000 RBX: ffff88812bdcfff8 RCX: 0000000000000000 [ 166.029457][ C1] RDX: ffff8881059c13c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 166.029461][ C1] RBP: ffffc90001087070 R08: ffffffff823a09ea R09: ffffffff824b30e5 [ 166.029465][ C1] R10: 0000000000000002 R11: ffff8881059c13c0 R12: dffffc0000000000 [ 166.029469][ C1] R13: ffff88812bdcfff0 R14: 0000000000000000 R15: 0000000000000000 [ 166.029473][ C1] FS: 00007fec6e762700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 166.029477][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 166.029481][ C1] CR2: 00007f3b2a242680 CR3: 0000000129f95000 CR4: 00000000003506a0 [ 166.029485][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 166.029489][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 166.029491][ C1] Call Trace: [ 166.029494][ C1] bio_iov_iter_get_pages+0x18a/0x4d0 [ 166.029497][ C1] iomap_dio_bio_actor+0x832/0x12f0 [ 166.029505][ C1] iomap_dio_actor+0x34f/0x570 [ 166.029508][ C1] iomap_apply+0x3ab/0x7f0 [ 166.029511][ C1] ? asan.module_dtor+0x20/0x20 [ 166.029514][ C1] ? filemap_check_errors+0xd3/0x120 [ 166.029516][ C1] __iomap_dio_rw+0x716/0x10d0 [ 166.029519][ C1] ? __iomap_dio_rw+0x10d0/0x10d0 [ 166.029522][ C1] ? iomap_dio_complete+0x6c0/0x6c0 [ 166.029525][ C1] ? jbd2_journal_start_reserved+0x3b0/0x3b0 [ 166.029528][ C1] ? __ext4_read_dirblock+0xdd0/0xdd0 [ 166.029531][ C1] iomap_dio_rw+0x35/0x80 [ 166.029534][ C1] ? ext4_file_write_iter+0x911/0x1cd0 [ 166.029537][ C1] ext4_file_write_iter+0x105d/0x1cd0 [ 166.029540][ C1] ? ext4_file_write_iter+0x911/0x1cd0 [ 166.029543][ C1] ? ext4_file_read_iter+0x4d0/0x4d0 [ 166.029545][ C1] ? __schedule+0x86e/0xc00 [ 166.029548][ C1] do_iter_readv_writev+0x52a/0x720 [ 166.029551][ C1] ? fsnotify_file+0x220/0x220 [ 166.029554][ C1] ? security_file_permission+0x9d/0xc0 [ 166.029557][ C1] ? security_file_permission+0xa8/0xc0 [ 166.029560][ C1] ? rw_verify_area+0x1c2/0x360 [ 166.029562][ C1] do_iter_write+0x182/0x660 [ 166.029565][ C1] ? sysvec_apic_timer_interrupt+0xcb/0xe0 [ 166.029568][ C1] vfs_iter_write+0x7c/0xa0 [ 166.029571][ C1] iter_file_splice_write+0x8a1/0x10c0 [ 166.029574][ C1] ? splice_from_pipe+0x220/0x220 [ 166.029577][ C1] ? avc_policy_seqno+0x1b/0x70 [ 166.029579][ C1] ? fsnotify_perm+0x67/0x4e0 [ 166.029582][ C1] ? security_file_permission+0xa8/0xc0 [ 166.029585][ C1] ? rw_verify_area+0x1c2/0x360 [ 166.029588][ C1] ? splice_from_pipe+0x220/0x220 [ 166.029590][ C1] do_splice+0xe4e/0x1900 [ 166.029593][ C1] ? putname+0xf8/0x150 [ 166.029596][ C1] ? __fget_files+0x310/0x370 [ 166.029599][ C1] ? direct_splice_actor+0x130/0x130 [ 166.029601][ C1] ? __fdget+0x1ba/0x240 [ 166.029604][ C1] __se_sys_splice+0x2a8/0x410 [ 166.029606][ C1] ? __x64_sys_splice+0x100/0x100 [ 166.029609][ C1] __x64_sys_splice+0xe5/0x100 [ 166.029612][ C1] do_syscall_64+0x34/0x70 [ 166.029615][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 166.029617][ C1] RIP: 0033:0x7fec6e7ec109 [ 166.029626][ 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 [ 166.029629][ C1] RSP: 002b:00007fec6e762168 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 166.029636][ C1] RAX: ffffffffffffffda RBX: 00007fec6e8fef60 RCX: 00007fec6e7ec109 [ 166.029640][ C1] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 [ 166.029644][ C1] RBP: 00007fec6e84608d R08: 00000000088000cc R09: 0000000000000000 [ 166.029648][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 166.029652][ C1] R13: 00007ffcfaa3757f R14: 00007fec6e762300 R15: 0000000000022000 [ 186.889860][ T26] INFO: task syz-executor.0:447 blocked for more than 145 seconds. [ 186.897773][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 186.929752][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 186.938443][ T26] task:syz-executor.0 state:D stack: 0 pid: 447 ppid: 406 flags:0x00004004 [ 186.979740][ T26] Call Trace: [ 186.983070][ T26] __schedule+0x866/0xc00 [ 186.987392][ T26] ? release_firmware_map_entry+0x195/0x195 [ 187.019757][ T26] ? __kasan_check_write+0x14/0x20 [ 187.025066][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 187.049781][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 187.055269][ T26] schedule+0x14b/0x1e0 [ 187.059529][ T26] schedule_preempt_disabled+0x13/0x20 [ 187.089789][ T26] __mutex_lock+0x97b/0x12d0 [ 187.094409][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 187.109749][ T26] ? current_time+0x1c4/0x310 [ 187.114701][ T26] ? avc_has_perm+0x16d/0x260 [ 187.119494][ T26] __mutex_lock_slowpath+0xe/0x10 [ 187.139773][ T26] mutex_lock+0xd7/0x110 [ 187.144045][ T26] ? mutex_trylock+0xb0/0xb0 [ 187.148628][ T26] pipe_write+0x130/0x1900 [ 187.169763][ T26] ? match_file+0x140/0x140 [ 187.174274][ T26] ? selinux_file_permission+0x3fd/0x520 [ 187.189777][ T26] ? pipe_read+0x1070/0x1070 [ 187.194459][ T26] ? fsnotify_perm+0x67/0x4e0 [ 187.199133][ T26] ? security_file_permission+0x9d/0xc0 [ 187.229760][ T26] ? security_file_permission+0xa8/0xc0 [ 187.235315][ T26] ? iov_iter_init+0x3f/0x120 [ 187.259747][ T26] vfs_write+0xc1c/0xf40 [ 187.263998][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 187.269323][ T26] ? kernel_write+0x3c0/0x3c0 [ 187.289803][ T26] ? __fget_files+0x310/0x370 [ 187.294772][ T26] ? __fdget_pos+0x1fe/0x310 [ 187.299386][ T26] ? ksys_write+0x77/0x2c0 [ 187.309836][ T26] ksys_write+0x198/0x2c0 [ 187.314212][ T26] ? __kasan_check_write+0x14/0x20 [ 187.319716][ T26] ? __ia32_sys_read+0x90/0x90 [ 187.334720][ T26] __x64_sys_write+0x7b/0x90 [ 187.339473][ T26] do_syscall_64+0x34/0x70 [ 187.359744][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 187.365647][ T26] RIP: 0033:0x7fec6e7ec109 [ 187.399751][ T26] RSP: 002b:00007fec6e741168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 187.408347][ T26] RAX: ffffffffffffffda RBX: 00007fec6e8ff030 RCX: 00007fec6e7ec109 [ 187.449757][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 187.457874][ T26] RBP: 00007fec6e84608d R08: 0000000000000000 R09: 0000000000000000 [ 187.466052][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 187.499742][ T26] R13: 00007ffcfaa3757f R14: 00007fec6e741300 R15: 0000000000022000 [ 187.519750][ T26] INFO: task syz-executor.5:448 blocked for more than 146 seconds. [ 187.527635][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 187.569768][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 187.578731][ T26] task:syz-executor.5 state:D stack: 0 pid: 448 ppid: 416 flags:0x00004004 [ 187.619737][ T26] Call Trace: [ 187.623150][ T26] __schedule+0x866/0xc00 [ 187.627556][ T26] ? release_firmware_map_entry+0x195/0x195 [ 187.669748][ T26] ? __kasan_check_write+0x14/0x20 [ 187.675127][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 187.689756][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 187.695220][ T26] schedule+0x14b/0x1e0 [ 187.699371][ T26] schedule_preempt_disabled+0x13/0x20 [ 187.719754][ T26] __mutex_lock+0x97b/0x12d0 [ 187.724363][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 187.739748][ T26] ? current_time+0x1c4/0x310 [ 187.744423][ T26] ? avc_has_perm+0x16d/0x260 [ 187.749087][ T26] __mutex_lock_slowpath+0xe/0x10 [ 187.799750][ T26] mutex_lock+0xd7/0x110 [ 187.804011][ T26] ? mutex_trylock+0xb0/0xb0 [ 187.808678][ T26] pipe_write+0x130/0x1900 [ 187.819744][ T26] ? match_file+0x140/0x140 [ 187.824243][ T26] ? selinux_file_permission+0x3fd/0x520 [ 187.839801][ T26] ? pipe_read+0x1070/0x1070 [ 187.844421][ T26] ? fsnotify_perm+0x67/0x4e0 [ 187.849247][ T26] ? security_file_permission+0x9d/0xc0 [ 187.869807][ T26] ? security_file_permission+0xa8/0xc0 [ 187.875464][ T26] ? iov_iter_init+0x3f/0x120 [ 187.909758][ T26] vfs_write+0xc1c/0xf40 [ 187.914058][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 187.919434][ T26] ? kernel_write+0x3c0/0x3c0 [ 187.949750][ T26] ? __fget_files+0x310/0x370 [ 187.954453][ T26] ? __fdget_pos+0x1fe/0x310 [ 187.959055][ T26] ? ksys_write+0x77/0x2c0 [ 187.989761][ T26] ksys_write+0x198/0x2c0 [ 187.994192][ T26] ? __kasan_check_write+0x14/0x20 [ 187.999553][ T26] ? __ia32_sys_read+0x90/0x90 [ 188.019793][ T26] __x64_sys_write+0x7b/0x90 [ 188.024412][ T26] do_syscall_64+0x34/0x70 [ 188.028826][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 188.049793][ T26] RIP: 0033:0x7f09f488e109 [ 188.054404][ T26] RSP: 002b:00007f09f47e3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 188.089741][ T26] RAX: ffffffffffffffda RBX: 00007f09f49a1030 RCX: 00007f09f488e109 [ 188.097727][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 188.139740][ T26] RBP: 00007f09f48e808d R08: 0000000000000000 R09: 0000000000000000 [ 188.147806][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 188.179757][ T26] R13: 00007ffe1731974f R14: 00007f09f47e3300 R15: 0000000000022000 [ 188.188203][ T26] INFO: task syz-executor.4:453 blocked for more than 146 seconds. [ 188.196420][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 188.219737][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 188.228496][ T26] task:syz-executor.4 state:D stack: 0 pid: 453 ppid: 417 flags:0x00004004 [ 188.279733][ T26] Call Trace: [ 188.283128][ T26] __schedule+0x866/0xc00 [ 188.287448][ T26] ? release_firmware_map_entry+0x195/0x195 [ 188.309750][ T26] ? __kasan_check_write+0x14/0x20 [ 188.314883][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 188.319636][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 188.359765][ T26] schedule+0x14b/0x1e0 [ 188.363943][ T26] schedule_preempt_disabled+0x13/0x20 [ 188.369388][ T26] __mutex_lock+0x97b/0x12d0 [ 188.389757][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 188.396532][ T26] ? current_time+0x1c4/0x310 [ 188.409749][ T26] ? avc_has_perm+0x16d/0x260 [ 188.414428][ T26] __mutex_lock_slowpath+0xe/0x10 [ 188.419528][ T26] mutex_lock+0xd7/0x110 [ 188.469749][ T26] ? mutex_trylock+0xb0/0xb0 [ 188.474352][ T26] pipe_write+0x130/0x1900 [ 188.478852][ T26] ? match_file+0x140/0x140 [ 188.499765][ T26] ? selinux_file_permission+0x3fd/0x520 [ 188.505407][ T26] ? pipe_read+0x1070/0x1070 [ 188.539744][ T26] ? fsnotify_perm+0x67/0x4e0 [ 188.544639][ T26] ? security_file_permission+0x9d/0xc0 [ 188.569747][ T26] ? security_file_permission+0xa8/0xc0 [ 188.575380][ T26] ? iov_iter_init+0x3f/0x120 [ 188.599746][ T26] vfs_write+0xc1c/0xf40 [ 188.604019][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 188.609408][ T26] ? kernel_write+0x3c0/0x3c0 [ 188.629751][ T26] ? __fget_files+0x310/0x370 [ 188.634435][ T26] ? __fdget_pos+0x1fe/0x310 [ 188.639012][ T26] ? ksys_write+0x77/0x2c0 [ 188.649828][ T26] ksys_write+0x198/0x2c0 [ 188.654355][ T26] ? __kasan_check_write+0x14/0x20 [ 188.659472][ T26] ? __ia32_sys_read+0x90/0x90 [ 188.679769][ T26] __x64_sys_write+0x7b/0x90 [ 188.684543][ T26] do_syscall_64+0x34/0x70 [ 188.688950][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 188.709770][ T26] RIP: 0033:0x7fcaaf97b109 [ 188.714295][ T26] RSP: 002b:00007fcaaf8d0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 188.749755][ T26] RAX: ffffffffffffffda RBX: 00007fcaafa8e030 RCX: 00007fcaaf97b109 [ 188.757994][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 188.799740][ T26] RBP: 00007fcaaf9d508d R08: 0000000000000000 R09: 0000000000000000 [ 188.808603][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 188.839738][ T26] R13: 00007ffd34afba7f R14: 00007fcaaf8d0300 R15: 0000000000022000 [ 188.847815][ T26] INFO: task syz-executor.2:472 blocked for more than 127 seconds. [ 188.869741][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 188.877800][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 188.909742][ T26] task:syz-executor.2 state:D stack: 0 pid: 472 ppid: 415 flags:0x00004004 [ 188.919042][ T26] Call Trace: [ 188.929748][ T26] __schedule+0x866/0xc00 [ 188.934081][ T26] ? release_firmware_map_entry+0x195/0x195 [ 188.959744][ T26] ? __kasan_check_write+0x14/0x20 [ 188.964855][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 188.969602][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 189.009751][ T26] schedule+0x14b/0x1e0 [ 189.013922][ T26] schedule_preempt_disabled+0x13/0x20 [ 189.019384][ T26] __mutex_lock+0x97b/0x12d0 [ 189.039788][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 189.046601][ T26] ? current_time+0x1c4/0x310 [ 189.069762][ T26] ? avc_has_perm+0x16d/0x260 [ 189.074457][ T26] __mutex_lock_slowpath+0xe/0x10 [ 189.079470][ T26] mutex_lock+0xd7/0x110 [ 189.109761][ T26] ? mutex_trylock+0xb0/0xb0 [ 189.114368][ T26] pipe_write+0x130/0x1900 [ 189.118775][ T26] ? match_file+0x140/0x140 [ 189.149759][ T26] ? selinux_file_permission+0x3fd/0x520 [ 189.155418][ T26] ? pipe_read+0x1070/0x1070 [ 189.179751][ T26] ? fsnotify_perm+0x67/0x4e0 [ 189.184523][ T26] ? security_file_permission+0x9d/0xc0 [ 189.219745][ T26] ? security_file_permission+0xa8/0xc0 [ 189.225480][ T26] ? iov_iter_init+0x3f/0x120 [ 189.239753][ T26] vfs_write+0xc1c/0xf40 [ 189.244096][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 189.249465][ T26] ? kernel_write+0x3c0/0x3c0 [ 189.269765][ T26] ? __fget_files+0x310/0x370 [ 189.274465][ T26] ? __fdget_pos+0x1fe/0x310 [ 189.279222][ T26] ? ksys_write+0x77/0x2c0 [ 189.299794][ T26] ksys_write+0x198/0x2c0 [ 189.304253][ T26] ? __kasan_check_write+0x14/0x20 [ 189.309547][ T26] ? __ia32_sys_read+0x90/0x90 [ 189.349773][ T26] __x64_sys_write+0x7b/0x90 [ 189.354490][ T26] do_syscall_64+0x34/0x70 [ 189.359334][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 189.389770][ T26] RIP: 0033:0x7f71ad694109 [ 189.394382][ T26] RSP: 002b:00007f71ad5e9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 189.419744][ T26] RAX: ffffffffffffffda RBX: 00007f71ad7a7030 RCX: 00007f71ad694109 [ 189.427735][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 189.469757][ T26] RBP: 00007f71ad6ee08d R08: 0000000000000000 R09: 0000000000000000 [ 189.478025][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 189.519742][ T26] R13: 00007ffe273ce0af R14: 00007f71ad5e9300 R15: 0000000000022000 [ 189.539742][ T26] NMI backtrace for cpu 0 [ 189.544083][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 189.554750][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 189.564961][ T26] Call Trace: [ 189.568342][ T26] dump_stack_lvl+0x1e2/0x24b [ 189.573133][ T26] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 189.579525][ T26] ? bfq_pos_tree_add_move+0x43e/0x43e [ 189.585098][ T26] ? rcu_read_unlock_special+0xdb/0x4c0 [ 189.590629][ T26] ? __rcu_read_unlock+0x90/0x90 [ 189.595548][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 189.601703][ T26] dump_stack+0x15/0x17 [ 189.605853][ T26] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 189.611917][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 189.617796][ T26] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 189.624028][ T26] ? __kasan_check_write+0x14/0x20 [ 189.629118][ T26] ? hung_task_panic+0x20/0x20 [ 189.633944][ T26] watchdog+0x13e/0x170 [ 189.638079][ T26] kthread+0x349/0x3d0 [ 189.642141][ T26] ? hungtask_pm_notify+0x50/0x50 [ 189.647143][ T26] ? kthread_blkcg+0xd0/0xd0 [ 189.651884][ T26] ret_from_fork+0x1f/0x30 [ 189.656609][ T26] Sending NMI from CPU 0 to CPUs 1: [ 189.662380][ C1] NMI backtrace for cpu 1 [ 189.662386][ C1] CPU: 1 PID: 450 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 189.662391][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 189.662395][ C1] RIP: 0010:iov_iter_advance+0x3c9/0xb20 [ 189.662404][ C1] Code: e8 9c 81 21 ff 49 89 dd e9 63 fd ff ff 48 8d bc 24 c0 00 00 00 48 83 c3 18 48 89 d8 48 c1 e8 03 48 89 44 24 70 42 80 3c 38 00 <74> 10 48 89 df e8 3d 7b 5b ff 48 8d bc 24 c0 00 00 00 48 8b 03 48 [ 189.662407][ C1] RSP: 0018:ffffc90001106f20 EFLAGS: 00000246 [ 189.662415][ C1] RAX: 1ffff92000220f7b RBX: ffffc90001107bd8 RCX: 0000000000000000 [ 189.662419][ C1] RDX: ffff8881067f93c0 RSI: 0000000000000010 RDI: ffffc90001106fe0 [ 189.662423][ C1] RBP: ffffc90001107070 R08: ffffffff824b3195 R09: ffffffff824b30e5 [ 189.662427][ C1] R10: 0000000000000002 R11: ffff8881067f93c0 R12: 1ffff92000220df8 [ 189.662431][ C1] R13: 0000000000000000 R14: 0000000000000011 R15: dffffc0000000000 [ 189.662435][ C1] FS: 00007fcaaf8f1700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 189.662439][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 189.662443][ C1] CR2: 00007f3b2a242680 CR3: 00000001252d7000 CR4: 00000000003506a0 [ 189.662447][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 189.662451][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 189.662453][ C1] Call Trace: [ 189.662456][ C1] ? sysvec_apic_timer_interrupt+0xcb/0xe0 [ 189.662459][ C1] ? _copy_from_iter_full+0xa30/0xa30 [ 189.662462][ C1] ? bio_add_page+0x2d3/0x450 [ 189.662465][ C1] bio_iov_iter_get_pages+0x24a/0x4d0 [ 189.662468][ C1] iomap_dio_bio_actor+0x832/0x12f0 [ 189.662470][ C1] iomap_dio_actor+0x34f/0x570 [ 189.662473][ C1] iomap_apply+0x3ab/0x7f0 [ 189.662476][ C1] ? asan.module_dtor+0x20/0x20 [ 189.662479][ C1] ? filemap_check_errors+0xd3/0x120 [ 189.662482][ C1] __iomap_dio_rw+0x716/0x10d0 [ 189.662484][ C1] ? __iomap_dio_rw+0x10d0/0x10d0 [ 189.662487][ C1] ? iomap_dio_complete+0x6c0/0x6c0 [ 189.662491][ C1] ? jbd2_journal_start_reserved+0x3b0/0x3b0 [ 189.662494][ C1] ? __ext4_read_dirblock+0xdd0/0xdd0 [ 189.662496][ C1] iomap_dio_rw+0x35/0x80 [ 189.662499][ C1] ? ext4_file_write_iter+0x911/0x1cd0 [ 189.662502][ C1] ext4_file_write_iter+0x105d/0x1cd0 [ 189.662505][ C1] ? ext4_file_write_iter+0x911/0x1cd0 [ 189.662508][ C1] ? ext4_file_read_iter+0x4d0/0x4d0 [ 189.662511][ C1] do_iter_readv_writev+0x52a/0x720 [ 189.662514][ C1] ? fsnotify_file+0x220/0x220 [ 189.662517][ C1] ? security_file_permission+0x9d/0xc0 [ 189.662520][ C1] ? security_file_permission+0xa8/0xc0 [ 189.662523][ C1] ? rw_verify_area+0x1c2/0x360 [ 189.662525][ C1] do_iter_write+0x182/0x660 [ 189.662529][ C1] ? sysvec_apic_timer_interrupt+0xcb/0xe0 [ 189.662531][ C1] vfs_iter_write+0x7c/0xa0 [ 189.662534][ C1] iter_file_splice_write+0x8a1/0x10c0 [ 189.662537][ C1] ? splice_from_pipe+0x220/0x220 [ 189.662540][ C1] ? avc_policy_seqno+0x1b/0x70 [ 189.662543][ C1] ? fsnotify_perm+0x67/0x4e0 [ 189.662546][ C1] ? security_file_permission+0xa8/0xc0 [ 189.662549][ C1] ? rw_verify_area+0x1c2/0x360 [ 189.662552][ C1] ? splice_from_pipe+0x220/0x220 [ 189.662554][ C1] do_splice+0xe4e/0x1900 [ 189.662557][ C1] ? putname+0xf8/0x150 [ 189.662560][ C1] ? __fget_files+0x310/0x370 [ 189.662563][ C1] ? direct_splice_actor+0x130/0x130 [ 189.662565][ C1] ? __fdget+0x1ba/0x240 [ 189.662568][ C1] __se_sys_splice+0x2a8/0x410 [ 189.662571][ C1] ? __x64_sys_splice+0x100/0x100 [ 189.662573][ C1] __x64_sys_splice+0xe5/0x100 [ 189.662576][ C1] do_syscall_64+0x34/0x70 [ 189.662579][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 189.662582][ C1] RIP: 0033:0x7fcaaf97b109 [ 189.662590][ 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 [ 189.662594][ C1] RSP: 002b:00007fcaaf8f1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 189.662601][ C1] RAX: ffffffffffffffda RBX: 00007fcaafa8df60 RCX: 00007fcaaf97b109 [ 189.662605][ C1] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 [ 189.662609][ C1] RBP: 00007fcaaf9d508d R08: 00000000088000cc R09: 0000000000000000 [ 189.662613][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 189.662617][ C1] R13: 00007ffd34afba7f R14: 00007fcaaf8f1300 R15: 0000000000022000 [ 210.569790][ T26] INFO: task syz-executor.0:447 blocked for more than 169 seconds. [ 210.577733][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 210.609732][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 210.618508][ T26] task:syz-executor.0 state:D stack: 0 pid: 447 ppid: 406 flags:0x00004004 [ 210.659726][ T26] Call Trace: [ 210.663035][ T26] __schedule+0x866/0xc00 [ 210.667354][ T26] ? release_firmware_map_entry+0x195/0x195 [ 210.699741][ T26] ? __kasan_check_write+0x14/0x20 [ 210.704856][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 210.709605][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 210.749741][ T26] schedule+0x14b/0x1e0 [ 210.753916][ T26] schedule_preempt_disabled+0x13/0x20 [ 210.759625][ T26] __mutex_lock+0x97b/0x12d0 [ 210.789739][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 210.796619][ T26] ? current_time+0x1c4/0x310 [ 210.829748][ T26] ? avc_has_perm+0x16d/0x260 [ 210.834452][ T26] __mutex_lock_slowpath+0xe/0x10 [ 210.839469][ T26] mutex_lock+0xd7/0x110 [ 210.869798][ T26] ? mutex_trylock+0xb0/0xb0 [ 210.874692][ T26] pipe_write+0x130/0x1900 [ 210.879098][ T26] ? match_file+0x140/0x140 [ 210.909748][ T26] ? selinux_file_permission+0x3fd/0x520 [ 210.915395][ T26] ? pipe_read+0x1070/0x1070 [ 210.929739][ T26] ? fsnotify_perm+0x67/0x4e0 [ 210.934594][ T26] ? security_file_permission+0x9d/0xc0 [ 210.949735][ T26] ? security_file_permission+0xa8/0xc0 [ 210.955275][ T26] ? iov_iter_init+0x3f/0x120 [ 210.968294][ T26] vfs_write+0xc1c/0xf40 [ 210.972576][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 210.977767][ T26] ? kernel_write+0x3c0/0x3c0 [ 211.009757][ T26] ? __fget_files+0x310/0x370 [ 211.014481][ T26] ? __fdget_pos+0x1fe/0x310 [ 211.019233][ T26] ? ksys_write+0x77/0x2c0 [ 211.049741][ T26] ksys_write+0x198/0x2c0 [ 211.054282][ T26] ? __kasan_check_write+0x14/0x20 [ 211.059579][ T26] ? __ia32_sys_read+0x90/0x90 [ 211.089758][ T26] __x64_sys_write+0x7b/0x90 [ 211.094461][ T26] do_syscall_64+0x34/0x70 [ 211.098878][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 211.139741][ T26] RIP: 0033:0x7fec6e7ec109 [ 211.144175][ T26] RSP: 002b:00007fec6e741168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 211.179732][ T26] RAX: ffffffffffffffda RBX: 00007fec6e8ff030 RCX: 00007fec6e7ec109 [ 211.187713][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 211.219740][ T26] RBP: 00007fec6e84608d R08: 0000000000000000 R09: 0000000000000000 [ 211.227736][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 211.259730][ T26] R13: 00007ffcfaa3757f R14: 00007fec6e741300 R15: 0000000000022000 [ 211.267752][ T26] INFO: task syz-executor.5:448 blocked for more than 170 seconds. [ 211.289753][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 211.297986][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 211.319726][ T26] task:syz-executor.5 state:D stack: 0 pid: 448 ppid: 416 flags:0x00004004 [ 211.329013][ T26] Call Trace: [ 211.349741][ T26] __schedule+0x866/0xc00 [ 211.354080][ T26] ? release_firmware_map_entry+0x195/0x195 [ 211.389754][ T26] ? __kasan_check_write+0x14/0x20 [ 211.394877][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 211.399626][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 211.419732][ T26] schedule+0x14b/0x1e0 [ 211.423893][ T26] schedule_preempt_disabled+0x13/0x20 [ 211.429343][ T26] __mutex_lock+0x97b/0x12d0 [ 211.449806][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 211.456716][ T26] ? current_time+0x1c4/0x310 [ 211.469747][ T26] ? avc_has_perm+0x16d/0x260 [ 211.474442][ T26] __mutex_lock_slowpath+0xe/0x10 [ 211.479464][ T26] mutex_lock+0xd7/0x110 [ 211.499734][ T26] ? mutex_trylock+0xb0/0xb0 [ 211.504419][ T26] pipe_write+0x130/0x1900 [ 211.508827][ T26] ? match_file+0x140/0x140 [ 211.539749][ T26] ? selinux_file_permission+0x3fd/0x520 [ 211.545392][ T26] ? pipe_read+0x1070/0x1070 [ 211.569735][ T26] ? fsnotify_perm+0x67/0x4e0 [ 211.574418][ T26] ? security_file_permission+0x9d/0xc0 [ 211.589738][ T26] ? security_file_permission+0xa8/0xc0 [ 211.595294][ T26] ? iov_iter_init+0x3f/0x120 [ 211.609736][ T26] vfs_write+0xc1c/0xf40 [ 211.614071][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 211.619464][ T26] ? kernel_write+0x3c0/0x3c0 [ 211.639737][ T26] ? __fget_files+0x310/0x370 [ 211.644418][ T26] ? __fdget_pos+0x1fe/0x310 [ 211.649023][ T26] ? ksys_write+0x77/0x2c0 [ 211.679735][ T26] ksys_write+0x198/0x2c0 [ 211.684071][ T26] ? __kasan_check_write+0x14/0x20 [ 211.689168][ T26] ? __ia32_sys_read+0x90/0x90 [ 211.709737][ T26] __x64_sys_write+0x7b/0x90 [ 211.714429][ T26] do_syscall_64+0x34/0x70 [ 211.718939][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 211.739729][ T26] RIP: 0033:0x7f09f488e109 [ 211.744137][ T26] RSP: 002b:00007f09f47e3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 211.769758][ T26] RAX: ffffffffffffffda RBX: 00007f09f49a1030 RCX: 00007f09f488e109 [ 211.777750][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 211.799803][ T26] RBP: 00007f09f48e808d R08: 0000000000000000 R09: 0000000000000000 [ 211.807949][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 211.859737][ T26] R13: 00007ffe1731974f R14: 00007f09f47e3300 R15: 0000000000022000 [ 211.867957][ T26] INFO: task syz-executor.4:453 blocked for more than 170 seconds. [ 211.889734][ T26] Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 211.897885][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 211.929770][ T26] task:syz-executor.4 state:D stack: 0 pid: 453 ppid: 417 flags:0x00004004 [ 211.938974][ T26] Call Trace: [ 211.949740][ T26] __schedule+0x866/0xc00 [ 211.954157][ T26] ? release_firmware_map_entry+0x195/0x195 [ 211.989747][ T26] ? __kasan_check_write+0x14/0x20 [ 211.994961][ T26] ? _raw_spin_lock+0xa3/0x1b0 [ 212.009734][ T26] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 212.015190][ T26] schedule+0x14b/0x1e0 [ 212.019364][ T26] schedule_preempt_disabled+0x13/0x20 [ 212.039783][ T26] __mutex_lock+0x97b/0x12d0 [ 212.044428][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 212.059747][ T26] ? current_time+0x1c4/0x310 [ 212.064781][ T26] ? avc_has_perm+0x16d/0x260 [ 212.069445][ T26] __mutex_lock_slowpath+0xe/0x10 [ 212.089737][ T26] mutex_lock+0xd7/0x110 [ 212.093983][ T26] ? mutex_trylock+0xb0/0xb0 [ 212.098648][ T26] pipe_write+0x130/0x1900 [ 212.139743][ T26] ? match_file+0x140/0x140 [ 212.144263][ T26] ? selinux_file_permission+0x3fd/0x520 [ 212.169734][ T26] ? pipe_read+0x1070/0x1070 [ 212.174325][ T26] ? fsnotify_perm+0x67/0x4e0 [ 212.178990][ T26] ? security_file_permission+0x9d/0xc0 [ 212.199746][ T26] ? security_file_permission+0xa8/0xc0 [ 212.205293][ T26] ? iov_iter_init+0x3f/0x120 [ 212.219734][ T26] vfs_write+0xc1c/0xf40 [ 212.224074][ T26] ? futex_exit_release+0x1d0/0x1d0 [ 212.229266][ T26] ? kernel_write+0x3c0/0x3c0 [ 212.249731][ T26] ? __fget_files+0x310/0x370 [ 212.254565][ T26] ? __fdget_pos+0x1fe/0x310 [ 212.259150][ T26] ? ksys_write+0x77/0x2c0 [ 212.289749][ T26] ksys_write+0x198/0x2c0 [ 212.294098][ T26] ? __kasan_check_write+0x14/0x20 [ 212.299295][ T26] ? __ia32_sys_read+0x90/0x90 [ 212.319735][ T26] __x64_sys_write+0x7b/0x90 [ 212.324329][ T26] do_syscall_64+0x34/0x70 [ 212.328731][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 212.349750][ T26] RIP: 0033:0x7fcaaf97b109 [ 212.354536][ T26] RSP: 002b:00007fcaaf8d0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 212.369734][ T26] RAX: ffffffffffffffda RBX: 00007fcaafa8e030 RCX: 00007fcaaf97b109 [ 212.377767][ T26] RDX: 00000000ffffff14 RSI: 0000000020000240 RDI: 0000000000000005 [ 212.419768][ T26] RBP: 00007fcaaf9d508d R08: 0000000000000000 R09: 0000000000000000 [ 212.428092][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 212.459729][ T26] R13: 00007ffd34afba7f R14: 00007fcaaf8d0300 R15: 0000000000022000 [ 212.467842][ T26] NMI backtrace for cpu 0 [ 212.472221][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 212.482533][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 212.492580][ T26] Call Trace: [ 212.496057][ T26] dump_stack_lvl+0x1e2/0x24b [ 212.500733][ T26] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 212.506883][ T26] ? bfq_pos_tree_add_move+0x43e/0x43e [ 212.520574][ T26] ? rcu_read_unlock_special+0xdb/0x4c0 [ 212.526109][ T26] ? __rcu_read_unlock+0x90/0x90 [ 212.531038][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 212.537092][ T26] dump_stack+0x15/0x17 [ 212.541345][ T26] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 212.547412][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 212.553392][ T26] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 212.559902][ T26] ? __kasan_check_write+0x14/0x20 [ 212.565115][ T26] ? hung_task_panic+0x20/0x20 [ 212.569908][ T26] watchdog+0x13e/0x170 [ 212.574052][ T26] kthread+0x349/0x3d0 [ 212.578193][ T26] ? hungtask_pm_notify+0x50/0x50 [ 212.583290][ T26] ? kthread_blkcg+0xd0/0xd0 [ 212.588140][ T26] ret_from_fork+0x1f/0x30 [ 212.592721][ T26] Sending NMI from CPU 0 to CPUs 1: [ 212.598376][ C1] NMI backtrace for cpu 1 [ 212.598383][ C1] CPU: 1 PID: 444 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-987041-gebc9fb07d294-dirty #0 [ 212.598388][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 212.598391][ C1] RIP: 0010:__sanitizer_cov_trace_cmp8+0x8/0xa0 [ 212.598400][ C1] Code: 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 94 b5 95 7e f7 c1 00 01 ff 00 [ 212.598403][ C1] RSP: 0018:ffffc900010a6ff8 EFLAGS: 00000206 [ 212.598411][ C1] RAX: 0005800000000000 RBX: 00000001256ba000 RCX: 0000000000000000 [ 212.598415][ C1] RDX: ffff88810c9862c0 RSI: 00000001256bb000 RDI: 00000001256ba000 [ 212.598419][ C1] RBP: ffffc900010a6ff8 R08: ffffffff823a012f R09: ffffffff824b30e5 [ 212.598423][ C1] R10: 0000000000000002 R11: ffff88810c9862c0 R12: 0000000000000000 [ 212.598427][ C1] R13: 00000000000bb000 R14: 00000001256bb000 R15: 00000001256bb000 [ 212.598432][ C1] FS: 00007f09f4804700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 212.598435][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 212.598439][ C1] CR2: 00007f3b2a242680 CR3: 000000011031b000 CR4: 00000000003506a0 [ 212.598443][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 212.598447][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 212.598449][ C1] Call Trace: [ 212.598452][ C1] bio_add_page+0x16f/0x450 [ 212.598455][ C1] bio_iov_iter_get_pages+0x21f/0x4d0 [ 212.598458][ C1] iomap_dio_bio_actor+0x832/0x12f0 [ 212.598460][ C1] iomap_dio_actor+0x34f/0x570 [ 212.598463][ C1] iomap_apply+0x3ab/0x7f0 [ 212.598466][ C1] ? asan.module_dtor+0x20/0x20 [ 212.598468][ C1] ? filemap_check_errors+0xd3/0x120 [ 212.598471][ C1] __iomap_dio_rw+0x716/0x10d0 [ 212.598474][ C1] ? __iomap_dio_rw+0x10d0/0x10d0 [ 212.598477][ C1] ? iomap_dio_complete+0x6c0/0x6c0 [ 212.598480][ C1] ? jbd2_journal_start_reserved+0x3b0/0x3b0 [ 212.598483][ C1] ? __ext4_read_dirblock+0xdd0/0xdd0 [ 212.598486][ C1] iomap_dio_rw+0x35/0x80 [ 212.598488][ C1] ? ext4_file_write_iter+0x911/0x1cd0 [ 212.598491][ C1] ext4_file_write_iter+0x105d/0x1cd0 [ 212.598494][ C1] ? ext4_file_write_iter+0x911/0x1cd0 [ 212.598497][ C1] ? ext4_file_read_iter+0x4d0/0x4d0 [ 212.598500][ C1] do_iter_readv_writev+0x52a/0x720 [ 212.598503][ C1] ? fsnotify_file+0x220/0x220 [ 212.598506][ C1] ? security_file_permission+0x9d/0xc0 [ 212.598509][ C1] ? security_file_permission+0xa8/0xc0 [ 212.598511][ C1] ? rw_verify_area+0x1c2/0x360 [ 212.598514][ C1] ? __irq_exit_rcu+0x41/0x150 [ 212.598517][ C1] do_iter_write+0x182/0x660 [ 212.598520][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 212.598523][ C1] vfs_iter_write+0x7c/0xa0 [ 212.598526][ C1] iter_file_splice_write+0x8a1/0x10c0 [ 212.598528][ C1] ? splice_from_pipe+0x220/0x220 [ 212.598531][ C1] ? avc_policy_seqno+0x1b/0x70 [ 212.598534][ C1] ? fsnotify_perm+0x67/0x4e0 [ 212.598537][ C1] ? security_file_permission+0xa8/0xc0 [ 212.598539][ C1] ? rw_verify_area+0x1c2/0x360 [ 212.598542][ C1] ? splice_from_pipe+0x220/0x220 [ 212.598545][ C1] do_splice+0xe4e/0x1900 [ 212.598547][ C1] ? putname+0xf8/0x150 [ 212.598550][ C1] ? __fget_files+0x310/0x370 [ 212.598553][ C1] ? direct_splice_actor+0x130/0x130 [ 212.598556][ C1] ? __fdget+0x1ba/0x240 [ 212.598558][ C1] __se_sys_splice+0x2a8/0x410 [ 212.598561][ C1] ? __x64_sys_splice+0x100/0x100 [ 212.598564][ C1] __x64_sys_splice+0xe5/0x100 [ 212.598567][ C1] do_syscall_64+0x34/0x70 [ 212.598570][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 212.598572][ C1] RIP: 0033:0x7f09f488e109 [ 212.598581][ 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 [ 212.598584][ C1] RSP: 002b:00007f09f4804168 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 212.598591][ C1] RAX: ffffffffffffffda RBX: 00007f09f49a0f60 RCX: 00007f09f488e109 [ 212.598595][ C1] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 [ 212.598599][ C1] RBP: 00007f09f48e808d R08: 00000000088000cc R09: 0000000000000000 [ 212.598603][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 212.598607][ C1] R13: 00007ffe1731974f R14: 00007f09f4804300 R15: 0000000000022000