[ 474.561908][ T30] audit: type=1400 audit(473.670:124): avc: denied { write } for pid=3523 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 475.889176][ T30] audit: type=1400 audit(474.990:125): avc: denied { write } for pid=3526 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 478.193039][ T30] audit: type=1400 audit(477.310:126): avc: denied { write } for pid=3532 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 478.209406][ T30] audit: type=1400 audit(477.320:127): avc: denied { create } for pid=3532 comm="dhcpcd-run-hook" name="resolv.conf.eth0.ra" scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 478.227021][ T30] audit: type=1400 audit(477.340:128): avc: denied { write open } for pid=3532 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf.eth0.ra" dev="tmpfs" ino=967 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 478.280261][ T30] audit: type=1400 audit(477.380:129): avc: denied { append } for pid=3532 comm="dhcpcd-run-hook" name="resolv.conf.eth0.ra" dev="tmpfs" ino=967 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 478.293575][ T30] audit: type=1400 audit(477.410:130): avc: denied { getattr } for pid=3532 comm="dhcpcd-run-hook" path="/tmp/resolv.conf" dev="tmpfs" ino=2 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 478.800645][ T30] audit: type=1400 audit(477.920:131): avc: denied { read } for pid=3534 comm="cmp" name="resolv.conf" dev="tmpfs" ino=2 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 479.295327][ T30] audit: type=1400 audit(478.410:132): avc: denied { write } for pid=3535 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 479.303109][ T30] audit: type=1400 audit(478.410:133): avc: denied { unlink } for pid=3535 comm="rm" name="resolv.conf.eth0.ra" dev="tmpfs" ino=967 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 483.992826][ T30] audit: type=1400 audit(483.100:134): avc: denied { write } for pid=3537 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 484.990322][ T30] audit: type=1400 audit(484.100:135): avc: denied { write } for pid=3540 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 487.617849][ T30] audit: type=1400 audit(486.730:136): avc: denied { write } for pid=3543 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 489.456590][ T30] audit: type=1400 audit(488.570:137): avc: denied { write } for pid=3546 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 492.277231][ T30] audit: type=1400 audit(491.390:138): avc: denied { write } for pid=3549 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 493.287056][ T30] audit: type=1400 audit(492.400:139): avc: denied { write } for pid=3552 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 Warning: Permanently added '[localhost]:55825' (ED25519) to the list of known hosts. 1970/01/01 00:09:25 ignoring optional flag "type"="qemu" 1970/01/01 00:09:32 parsed 1 programs [ 573.911360][ T30] audit: type=1400 audit(573.020:140): avc: denied { unlink } for pid=3572 comm="syz-executor" name="swap-file" dev="vda" ino=1874 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 574.637426][ T3572] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:09:33 executed programs: 0 [ 575.281301][ T30] audit: type=1400 audit(574.390:141): avc: denied { mounton } for pid=3578 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 [ 584.910672][ T3578] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 584.949599][ T3578] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 589.761672][ T3578] hsr_slave_0: entered promiscuous mode [ 589.786350][ T3578] hsr_slave_1: entered promiscuous mode [ 593.139882][ T30] audit: type=1400 audit(592.220:142): avc: denied { write } for pid=3609 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 594.790995][ T30] audit: type=1400 audit(593.900:143): avc: denied { write } for pid=3615 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 595.232026][ T3578] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 595.322544][ T3578] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 595.344281][ T3578] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 595.406714][ T3578] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 595.426915][ T3578] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 595.482570][ T3578] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 595.523595][ T3578] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 595.643792][ T3578] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 597.028771][ T30] audit: type=1400 audit(596.140:144): avc: denied { write } for pid=3624 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 598.202329][ T30] audit: type=1400 audit(597.320:145): avc: denied { write } for pid=3630 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 599.816214][ T3578] 8021q: adding VLAN 0 to HW filter on device bond0 [ 600.271457][ T30] audit: type=1400 audit(599.380:146): avc: denied { write } for pid=3634 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 601.636116][ T30] audit: type=1400 audit(600.750:147): avc: denied { write } for pid=3640 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 603.947623][ T30] audit: type=1400 audit(603.060:148): avc: denied { write } for pid=3645 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 605.058723][ T30] audit: type=1400 audit(604.170:149): avc: denied { write } for pid=3650 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 607.175126][ T30] audit: type=1400 audit(606.290:150): avc: denied { write } for pid=3656 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 608.379288][ T30] audit: type=1400 audit(607.460:151): avc: denied { write } for pid=3662 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 610.962812][ T30] audit: type=1400 audit(610.060:152): avc: denied { write } for pid=3666 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 613.144080][ T30] audit: type=1400 audit(612.260:153): avc: denied { write } for pid=3673 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 616.166899][ T30] audit: type=1400 audit(615.260:154): avc: denied { write } for pid=3677 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 617.385857][ T30] audit: type=1400 audit(616.500:155): avc: denied { write } for pid=3684 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 618.011034][ T3578] veth0_vlan: entered promiscuous mode [ 618.172581][ T3578] veth1_vlan: entered promiscuous mode [ 618.686935][ T3578] veth0_macvtap: entered promiscuous mode [ 618.763854][ T3578] veth1_macvtap: entered promiscuous mode [ 619.363732][ T192] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 619.435732][ T3444] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 619.506292][ T30] audit: type=1400 audit(618.620:156): avc: denied { write } for pid=3687 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 619.582161][ T1328] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 619.583231][ T1328] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 621.843146][ T30] audit: type=1400 audit(620.960:157): avc: denied { write } for pid=3690 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 622.066357][ T3696] nbd0: detected capacity change from 0 to 131072 [ 623.860068][ T50] block nbd0: Receive control failed (result -104) [ 624.125880][ T30] audit: type=1400 audit(623.210:158): avc: denied { write } for pid=3698 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 625.449244][ T30] audit: type=1400 audit(624.560:159): avc: denied { write } for pid=3701 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 627.266181][ T30] audit: type=1400 audit(626.370:160): avc: denied { write } for pid=3703 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 628.714535][ T30] audit: type=1400 audit(627.820:161): avc: denied { write } for pid=3706 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 630.774742][ T30] audit: type=1400 audit(629.890:162): avc: denied { write } for pid=3708 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 631.889378][ T30] audit: type=1400 audit(631.000:163): avc: denied { write } for pid=3711 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 633.395654][ T30] audit: type=1400 audit(632.510:164): avc: denied { write } for pid=3713 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 634.533523][ T30] audit: type=1400 audit(633.650:165): avc: denied { write } for pid=3716 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 636.377026][ T30] audit: type=1400 audit(635.490:166): avc: denied { write } for pid=3718 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 637.539181][ T30] audit: type=1400 audit(636.640:167): avc: denied { write } for pid=3721 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 652.260287][ T1198] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 30 seconds [ 682.332876][ T3723] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 60 seconds [ 712.421212][ T1234] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 90 seconds [ 742.483254][ T3723] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 120 seconds [ 772.565316][ T1234] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 150 seconds 1970/01/01 00:12:54 executed programs: 1 [ 784.862579][ T3726] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 784.903631][ T3726] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 788.711254][ T3726] hsr_slave_0: entered promiscuous mode [ 788.725129][ T3726] hsr_slave_1: entered promiscuous mode [ 788.735359][ T3726] debugfs: 'hsr0' already exists in 'hsr' [ 788.741857][ T3726] Cannot create hsr debugfs directory [ 790.655795][ T3726] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 791.030692][ T3726] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 791.272457][ T3726] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 791.557823][ T3726] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 792.474565][ T3726] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 792.509194][ T3726] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 792.517705][ T3726] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 792.552253][ T3726] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 792.585975][ T3726] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 792.625930][ T3726] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 792.637030][ T3726] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 792.681564][ T3726] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 795.923473][ T3726] 8021q: adding VLAN 0 to HW filter on device bond0 [ 802.656958][ T1234] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 180 seconds [ 807.387220][ T3726] veth0_vlan: entered promiscuous mode [ 807.483013][ T3726] veth1_vlan: entered promiscuous mode [ 807.956590][ T3726] veth0_macvtap: entered promiscuous mode [ 808.031729][ T3726] veth1_macvtap: entered promiscuous mode [ 808.232500][ T30] audit: type=1400 audit(807.350:168): avc: denied { write } for pid=3797 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 808.475208][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 808.476760][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 808.477083][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 808.477400][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 809.670250][ T30] audit: type=1400 audit(808.790:169): avc: denied { write } for pid=3800 comm="rm" name="hook-state" dev="tmpfs" ino=932 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 832.749419][ T1234] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 210 seconds [ 862.821693][ T3723] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 240 seconds [ 892.892985][ T3723] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 270 seconds [ 922.963464][ T3723] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 300 seconds [ 953.043771][ T3723] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 330 seconds 1970/01/01 00:16:03 executed programs: 2 [ 973.323197][ T3808] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 973.365343][ T3808] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 976.769573][ T3808] hsr_slave_0: entered promiscuous mode [ 976.781795][ T3808] hsr_slave_1: entered promiscuous mode [ 976.795214][ T3808] debugfs: 'hsr0' already exists in 'hsr' [ 976.796070][ T3808] Cannot create hsr debugfs directory [ 978.794186][ T3808] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 979.163498][ T3808] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 979.347796][ T3808] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 979.600012][ T3808] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 980.349918][ T3808] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 980.383470][ T3808] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 980.395464][ T3808] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 980.430394][ T3808] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 980.441084][ T3808] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 980.472147][ T3808] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 980.483899][ T3808] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 980.505997][ T3808] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 983.134778][ T3723] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 360 seconds [ 983.350020][ T3808] 8021q: adding VLAN 0 to HW filter on device bond0 [ 993.483335][ T3808] veth0_vlan: entered promiscuous mode [ 993.642784][ T3808] veth1_vlan: entered promiscuous mode [ 993.966568][ T3808] veth0_macvtap: entered promiscuous mode [ 994.037789][ T3808] veth1_macvtap: entered promiscuous mode [ 994.371785][ T3417] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 994.392808][ T3417] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 994.393571][ T3417] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 994.394319][ T3417] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1013.203281][ T3723] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 390 seconds [ 1043.295262][ T1234] block nbd0: Possible stuck request 00000000eff8388b: control (read@0,4096B). Runtime 420 seconds [ 1054.811026][ T32] INFO: task udevd:3195 blocked for more than 430 seconds. [ 1054.811655][ T32] Tainted: G W syzkaller #0 [ 1054.812189][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1054.812736][ T32] task:udevd state:D stack:0 pid:3195 tgid:3195 ppid:1 task_flags:0x400140 flags:0x00000000 [ 1054.813586][ T32] Call trace: [ 1054.813876][ T32] __switch_to+0x20c/0x520 (T) [ 1054.814196][ T32] __schedule+0xf98/0x34f4 [ 1054.814427][ T32] schedule+0xcc/0x288 [ 1054.814657][ T32] schedule_preempt_disabled+0x18/0x38 [ 1054.814893][ T32] __mutex_lock+0x7c4/0x1530 [ 1054.815130][ T32] mutex_lock_nested+0x24/0x30 [ 1054.815360][ T32] bdev_open+0x2b8/0xa70 [ 1054.815591][ T32] blkdev_open+0x270/0x3f8 [ 1054.815823][ T32] do_dentry_open+0x37c/0xfe8 [ 1054.816045][ T32] vfs_open+0x5c/0x300 [ 1054.816278][ T32] path_openat+0x12d4/0x1e40 [ 1054.816496][ T32] do_file_open+0x18c/0x380 [ 1054.816709][ T32] do_sys_openat2+0xdc/0x180 [ 1054.816923][ T32] __arm64_sys_openat+0x134/0x1e0 [ 1054.817176][ T32] invoke_syscall+0x74/0x240 [ 1054.817413][ T32] el0_svc_common.constprop.0+0xac/0x230 [ 1054.817636][ T32] do_el0_svc+0x40/0x58 [ 1054.860788][ T32] el0_svc+0x58/0x2a4 [ 1054.862350][ T32] el0t_64_sync_handler+0xa0/0xe4 [ 1054.862619][ T32] el0t_64_sync+0x198/0x19c [ 1054.863240][ T32] INFO: task syz-executor.0:3693 blocked for more than 430 seconds. [ 1054.863490][ T32] Tainted: G W syzkaller #0 [ 1054.863688][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1054.863863][ T32] task:syz-executor.0 state:D stack:0 pid:3693 tgid:3691 ppid:3578 task_flags:0x400140 flags:0x00000019 [ 1054.864323][ T32] Call trace: [ 1054.864495][ T32] __switch_to+0x20c/0x520 (T) [ 1054.864750][ T32] __schedule+0xf98/0x34f4 [ 1054.864974][ T32] schedule+0xcc/0x288 [ 1054.865247][ T32] schedule_preempt_disabled+0x18/0x38 [ 1054.865484][ T32] __mutex_lock+0x7c4/0x1530 [ 1054.865722][ T32] mutex_lock_nested+0x24/0x30 [ 1054.865950][ T32] bdev_release+0x104/0x510 [ 1054.866202][ T32] blkdev_release+0x14/0x24 [ 1054.866346][ T32] __fput+0x2d0/0x980 [ 1054.866470][ T32] ____fput+0x14/0x20 [ 1054.866588][ T32] task_work_run+0x134/0x238 [ 1054.866776][ T32] get_signal+0x17c/0x1f00 [ 1054.867002][ T32] arch_do_signal_or_restart+0x1a0/0x700 [ 1054.867251][ T32] exit_to_user_mode_loop+0x13c/0x1c8 [ 1054.867489][ T32] el0_svc+0x244/0x2a4 [ 1054.867719][ T32] el0t_64_sync_handler+0xa0/0xe4 [ 1054.877493][ T32] el0t_64_sync+0x198/0x19c [ 1054.880433][ T32] [ 1054.880433][ T32] Showing all locks held in the system: [ 1054.882172][ T32] locks held by khungtaskd/32: 1, last CPU#0: [ 1054.883600][ T32] #0: ffff8000879d1660 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x40/0x190 [ 1054.893084][ T32] locks held by kworker/u8:6/1328: 2, last CPU#0: [ 1054.894553][ T32] #0: ffff00000e04b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x12ec/0x1c00 [ 1054.899256][ T32] #1: ffff80008fa57c70 ((work_completion)(&(&tbl->gc_work)->work)){+.+.}-{0:0}, at: process_one_work+0x780/0x1c00 [ 1054.912670][ T32] locks held by klogd/3184: 1, last CPU#1: [ 1054.912875][ T32] #0: ffff800087ba21d0 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x6c/0x1ac [ 1054.913967][ T32] locks held by udevd/3195: 1, on CPU#0: [ 1054.914070][ T32] #0: ffff000014c61350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2b8/0xa70 [ 1054.914608][ T32] locks held by getty/3321: 2, on CPU#1: [ 1054.914714][ T32] #0: ffff0000173930a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 1054.915233][ T32] #1: ffff80008dcab2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x420/0xec0 [ 1054.915901][ T32] locks held by syz-executor.0/3693: 1, on CPU#1: [ 1054.916002][ T32] #0: ffff000014c61350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x104/0x510 [ 1054.916593][ T32] locks held by udevd/3695: 1, on CPU#0: [ 1054.916707][ T32] #0: ffff000014c61350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2b8/0xa70 [ 1054.917400][ T32] locks held by syz-executor.0/3802: 1, on CPU#1: [ 1054.917502][ T32] #0: ffff000014c61350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2b8/0xa70 [ 1054.929402][ T32] locks held by syz-executor.0/3882: 1, on CPU#1: [ 1054.930677][ T32] #0: ffff000014c61350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x2b8/0xa70 [ 1054.934971][ T32] [ 1054.935564][ T32] ============================================= [ 1054.935564][ T32] [ 1054.936913][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 1054.937570][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Tainted: G W syzkaller #0 PREEMPT [ 1054.937957][ T32] Tainted: [W]=WARN [ 1054.938085][ T32] Hardware name: linux,dummy-virt (DT) [ 1054.938251][ T32] Call trace: [ 1054.938402][ T32] show_stack+0x18/0x24 (C) [ 1054.938610][ T32] dump_stack_lvl+0x7c/0xb0 [ 1054.938786][ T32] dump_stack+0x1c/0x28 [ 1054.938943][ T32] vpanic+0x464/0x764 [ 1054.939113][ T32] do_panic_on_target_cpu+0x0/0x40 [ 1054.939287][ T32] watchdog+0x560/0xf18 [ 1054.939451][ T32] kthread+0x2ec/0x384 [ 1054.939606][ T32] ret_from_fork+0x10/0x20 [ 1054.940326][ T32] SMP: stopping secondary CPUs [ 1054.941790][ T32] Kernel Offset: disabled [ 1054.941970][ T32] CPU features: 0x0,40400002,00340020,00100000,0800821b [ 1054.942253][ T32] Memory Limit: none [ 1054.943496][ T32] Rebooting in 86400 seconds..