Warning: Permanently added '[localhost]:60689' (ED25519) to the list of known hosts. 1970/01/01 00:02:52 ignoring optional flag "type"="qemu" 1970/01/01 00:02:56 parsed 1 programs [ 177.077973][ T28] audit: type=1400 audit(176.990:139): avc: denied { unlink } for pid=3570 comm="syz-executor" name="swap-file" dev="vda" ino=812 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 186.724654][ T3570] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:03:06 executed programs: 0 [ 189.290347][ T3575] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 189.297904][ T3575] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 190.326256][ T3575] hsr_slave_0: entered promiscuous mode [ 190.329627][ T3575] hsr_slave_1: entered promiscuous mode [ 191.063716][ T28] audit: type=1400 audit(190.950:140): avc: denied { write } for pid=3873 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 191.170114][ T3575] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 191.180396][ T3575] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 191.187225][ T3575] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 191.197195][ T3575] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 191.202883][ T3575] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 191.215819][ T3575] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 191.227769][ T3575] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 191.239351][ T3575] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 191.359478][ T28] audit: type=1400 audit(191.270:141): avc: denied { write } for pid=3898 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 192.733735][ T28] audit: type=1400 audit(192.640:142): avc: denied { write } for pid=3908 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 193.441318][ T28] audit: type=1400 audit(193.340:143): avc: denied { write } for pid=3914 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 193.748033][ T3575] 8021q: adding VLAN 0 to HW filter on device bond0 [ 194.804310][ T28] audit: type=1400 audit(194.710:144): avc: denied { write } for pid=3917 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 195.540293][ T28] audit: type=1400 audit(195.450:145): avc: denied { write } for pid=3925 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 196.554469][ T28] audit: type=1400 audit(196.460:146): avc: denied { write } for pid=3929 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 197.253033][ T28] audit: type=1400 audit(197.160:147): avc: denied { write } for pid=3936 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 198.714366][ T28] audit: type=1400 audit(198.620:148): avc: denied { write } for pid=3941 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 199.730217][ T28] audit: type=1400 audit(199.640:149): avc: denied { write } for pid=3948 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 200.564032][ T28] audit: type=1400 audit(200.440:150): avc: denied { write } for pid=3953 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 201.229377][ T28] audit: type=1400 audit(201.140:151): avc: denied { write } for pid=3959 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 202.756635][ T3575] veth0_vlan: entered promiscuous mode [ 202.797662][ T28] audit: type=1400 audit(202.710:152): avc: denied { write } for pid=3962 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 202.802322][ T3575] veth1_vlan: entered promiscuous mode [ 203.205276][ T3575] veth0_macvtap: entered promiscuous mode [ 203.234265][ T3575] veth1_macvtap: entered promiscuous mode [ 203.354226][ T31] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 203.354784][ T31] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 203.355548][ T31] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 203.355996][ T31] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 203.602463][ T28] audit: type=1400 audit(203.510:153): avc: denied { write } for pid=3968 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 204.395476][ T28] audit: type=1400 audit(204.310:154): avc: denied { prog_load } for pid=3972 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 204.399228][ T28] audit: type=1400 audit(204.310:155): avc: denied { bpf } for pid=3972 comm="syz-executor.0" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 204.456877][ T28] audit: type=1400 audit(204.370:156): avc: denied { perfmon } for pid=3972 comm="syz-executor.0" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 204.869166][ T28] audit: type=1400 audit(204.780:157): avc: denied { prog_run } for pid=3972 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 204.913950][ T28] audit: type=1400 audit(204.810:158): avc: denied { map_create } for pid=3972 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 204.914313][ T28] audit: type=1400 audit(204.810:159): avc: denied { map_read map_write } for pid=3972 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 1970/01/01 00:03:25 executed programs: 1 [ 205.279146][ T28] audit: type=1400 audit(205.180:160): avc: denied { write } for pid=3974 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 205.886524][ T28] audit: type=1400 audit(205.800:161): avc: denied { write } for pid=3980 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 209.014487][ T28] kauditd_printk_skb: 2 callbacks suppressed [ 209.014814][ T28] audit: type=1400 audit(208.930:164): avc: denied { write } for pid=3996 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 209.489650][ T28] audit: type=1400 audit(209.400:165): avc: denied { write } for pid=4005 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 1970/01/01 00:03:30 executed programs: 9 [ 211.032825][ T28] audit: type=1400 audit(210.940:166): avc: denied { write } for pid=4010 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 211.671433][ T28] audit: type=1400 audit(211.570:167): avc: denied { write } for pid=4018 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 213.693849][ T28] audit: type=1400 audit(213.600:168): avc: denied { write } for pid=4025 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 214.276427][ T28] audit: type=1400 audit(214.190:169): avc: denied { write } for pid=4033 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 215.047636][ T28] audit: type=1400 audit(214.960:170): avc: denied { write } for pid=4038 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 1970/01/01 00:03:35 executed programs: 16 [ 215.670819][ T28] audit: type=1400 audit(215.580:171): avc: denied { write } for pid=4044 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 217.255637][ T28] audit: type=1400 audit(217.150:172): avc: denied { write } for pid=4050 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 217.703564][ T28] audit: type=1400 audit(217.610:173): avc: denied { write } for pid=4059 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 218.644163][ T28] audit: type=1400 audit(218.550:174): avc: denied { write } for pid=4063 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 219.969028][ T28] audit: type=1400 audit(219.880:175): avc: denied { write } for pid=4070 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 1970/01/01 00:03:41 executed programs: 23 [ 221.276940][ T28] audit: type=1400 audit(221.190:176): avc: denied { write } for pid=4076 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 222.049388][ T28] audit: type=1400 audit(221.960:177): avc: denied { write } for pid=4089 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 1970/01/01 00:03:46 executed programs: 33 1970/01/01 00:03:52 executed programs: 41 1970/01/01 00:03:57 executed programs: 48 1970/01/01 00:04:02 executed programs: 54 1970/01/01 00:04:08 executed programs: 62 1970/01/01 00:04:13 executed programs: 69 1970/01/01 00:04:19 executed programs: 75 1970/01/01 00:04:24 executed programs: 82 1970/01/01 00:04:29 executed programs: 89 1970/01/01 00:04:35 executed programs: 97 1970/01/01 00:04:40 executed programs: 103 1970/01/01 00:04:46 executed programs: 110 1970/01/01 00:04:52 executed programs: 117 1970/01/01 00:04:57 executed programs: 124 1970/01/01 00:05:02 executed programs: 132 1970/01/01 00:05:08 executed programs: 139 1970/01/01 00:05:14 executed programs: 146 1970/01/01 00:05:20 executed programs: 153 1970/01/01 00:05:25 executed programs: 160 1970/01/01 00:05:30 executed programs: 166 1970/01/01 00:05:36 executed programs: 173 1970/01/01 00:05:41 executed programs: 179 1970/01/01 00:05:47 executed programs: 186 1970/01/01 00:05:52 executed programs: 193 1970/01/01 00:05:58 executed programs: 199 1970/01/01 00:06:03 executed programs: 205 1970/01/01 00:06:08 executed programs: 212 1970/01/01 00:06:13 executed programs: 218 1970/01/01 00:06:19 executed programs: 224 1970/01/01 00:06:25 executed programs: 232 1970/01/01 00:06:30 executed programs: 239 1970/01/01 00:06:35 executed programs: 246 1970/01/01 00:06:41 executed programs: 252 1970/01/01 00:06:46 executed programs: 258 1970/01/01 00:06:52 executed programs: 265 1970/01/01 00:06:57 executed programs: 271 1970/01/01 00:07:02 executed programs: 277 1970/01/01 00:07:08 executed programs: 284 1970/01/01 00:07:13 executed programs: 290 1970/01/01 00:07:19 executed programs: 297 [ 440.100356][ T28] audit: type=1400 audit(440.010:178): avc: denied { write } for pid=4808 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 440.884017][ T28] audit: type=1400 audit(440.790:179): avc: denied { write } for pid=4818 comm="rm" name="hook-state" dev="tmpfs" ino=15 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 1970/01/01 00:07:24 executed programs: 305 1970/01/01 00:07:29 executed programs: 310 1970/01/01 00:07:35 executed programs: 316 1970/01/01 00:07:40 executed programs: 323 1970/01/01 00:07:46 executed programs: 329 1970/01/01 00:07:51 executed programs: 336 1970/01/01 00:07:57 executed programs: 344 1970/01/01 00:08:03 executed programs: 350 1970/01/01 00:08:09 executed programs: 358 1970/01/01 00:08:14 executed programs: 364 1970/01/01 00:08:19 executed programs: 372 1970/01/01 00:08:25 executed programs: 380 1970/01/01 00:08:30 executed programs: 387 1970/01/01 00:08:36 executed programs: 395 1970/01/01 00:08:41 executed programs: 401 1970/01/01 00:08:47 executed programs: 408 1970/01/01 00:08:52 executed programs: 415 1970/01/01 00:08:58 executed programs: 422 1970/01/01 00:09:03 executed programs: 429 1970/01/01 00:09:09 executed programs: 436 1970/01/01 00:09:14 executed programs: 443 1970/01/01 00:09:20 executed programs: 450 1970/01/01 00:09:26 executed programs: 457 1970/01/01 00:09:32 executed programs: 463 1970/01/01 00:09:37 executed programs: 469 1970/01/01 00:09:42 executed programs: 475 1970/01/01 00:09:48 executed programs: 483 1970/01/01 00:09:54 executed programs: 490 1970/01/01 00:09:59 executed programs: 497 1970/01/01 00:10:04 executed programs: 504 1970/01/01 00:10:09 executed programs: 512 1970/01/01 00:10:15 executed programs: 519 1970/01/01 00:10:20 executed programs: 526 1970/01/01 00:10:26 executed programs: 534 1970/01/01 00:10:31 executed programs: 542 1970/01/01 00:10:36 executed programs: 549 1970/01/01 00:10:41 executed programs: 554 1970/01/01 00:10:46 executed programs: 560 1970/01/01 00:10:51 executed programs: 567 1970/01/01 00:10:57 executed programs: 574 1970/01/01 00:11:02 executed programs: 579 1970/01/01 00:11:07 executed programs: 586 1970/01/01 00:11:12 executed programs: 592 1970/01/01 00:11:18 executed programs: 598 1970/01/01 00:11:24 executed programs: 604 1970/01/01 00:11:29 executed programs: 609 1970/01/01 00:11:34 executed programs: 615 1970/01/01 00:11:39 executed programs: 623 1970/01/01 00:11:45 executed programs: 630 1970/01/01 00:11:50 executed programs: 638 1970/01/01 00:11:56 executed programs: 646 1970/01/01 00:12:01 executed programs: 652 1970/01/01 00:12:08 executed programs: 660 1970/01/01 00:12:13 executed programs: 667 1970/01/01 00:12:18 executed programs: 674 1970/01/01 00:12:23 executed programs: 681 1970/01/01 00:12:29 executed programs: 689 1970/01/01 00:12:34 executed programs: 697 1970/01/01 00:12:40 executed programs: 703 1970/01/01 00:12:45 executed programs: 710 1970/01/01 00:12:50 executed programs: 716 1970/01/01 00:12:55 executed programs: 722 1970/01/01 00:13:01 executed programs: 728 1970/01/01 00:13:06 executed programs: 735 1970/01/01 00:13:12 executed programs: 744 1970/01/01 00:13:17 executed programs: 752 1970/01/01 00:13:22 executed programs: 759 1970/01/01 00:13:28 executed programs: 766 1970/01/01 00:13:33 executed programs: 773 1970/01/01 00:13:39 executed programs: 779 1970/01/01 00:13:45 executed programs: 787 1970/01/01 00:13:50 executed programs: 793 1970/01/01 00:13:56 executed programs: 800 1970/01/01 00:14:01 executed programs: 807 [ 842.814934][ T29] INFO: task kworker/1:7:4001 blocked for more than 430 seconds. [ 842.815542][ T29] Not tainted syzkaller #0 [ 842.815774][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 842.815983][ T29] task:kworker/1:7 state:D stack:0 pid:4001 tgid:4001 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 842.819563][ T29] Workqueue: events bpf_prog_free_deferred [ 842.820622][ T29] Call trace: [ 842.821019][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 842.821436][ T29] r10:dfa81da4 r9:dfa81dac r8:00000002 r7:60000113 r6:82cd7e0c r5:84ed9880 [ 842.821537][ T29] r4:84ed9880 [ 842.821629][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 842.821766][ T29] r5:84ed9880 r4:82cd7e08 [ 842.821781][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 842.821839][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 842.821880][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa81e28 [ 842.821892][ T29] r4:862ed9c0 [ 842.821934][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 842.821963][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 842.821996][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 842.822035][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 842.822047][ T29] r4:862ed9c0 [ 842.822056][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 842.822125][ T29] r9:84ed9880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f003000 [ 842.822138][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 842.822192][ T29] r5:00001000 r4:df9a7000 [ 842.822204][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 842.822230][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 842.822264][ T29] r5:86398b98 r4:86398b98 [ 842.822273][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 842.822336][ T29] r7:ddde4f00 r6:8302ae00 r5:86398b98 r4:84d0ce00 [ 842.822360][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 842.822438][ T29] r10:00000000 r9:84d0ce30 r8:84ed9880 r7:82a03d80 r6:ddde4f20 r5:ddde4f00 [ 842.822463][ T29] r4:84d0ce00 [ 842.822497][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 842.822539][ T29] r10:00000000 r9:dfcfde88 r8:84d0ce80 r7:84d0ce00 r6:80276d10 r5:84ed9880 [ 842.822551][ T29] r4:85b5ed80 [ 842.822585][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 842.822675][ T29] Exception stack(0xdfa81fb0 to 0xdfa81ff8) [ 842.822788][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 842.822845][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 842.822864][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 842.822909][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b5ed80 [ 842.855577][ T29] INFO: task kworker/1:7:4001 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 842.856825][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 842.864704][ T29] Workqueue: events bpf_prog_free_deferred [ 842.866541][ T29] Call trace: [ 842.867391][ T29] [<8028e46c>] (preempt_count_sub) from [<81b56c58>] (preempt_schedule_irq+0x4c/0xa8) [ 842.868283][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 842.869123][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 842.871636][ T29] 1d40: b636f000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 842.874709][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 842.875699][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 842.876473][ T29] r5:80000113 r4:802387a8 [ 842.877271][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 842.879009][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 842.884256][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 842.884587][ T29] r4:dfbb1de0 [ 842.884804][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 842.885065][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 842.885213][ T29] r4:862edc80 [ 842.885353][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 842.885579][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 842.885829][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 842.886045][ T29] r5:00001000 r4:dfba7000 [ 842.886408][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 842.888738][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 842.893049][ T29] r5:863f6b98 r4:863f6b98 [ 842.914501][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 842.915498][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 842.915947][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 842.916564][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 842.923754][ T29] r4:8632eb00 [ 842.924543][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 842.925577][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 842.927037][ T29] r4:85b60fc0 [ 842.927633][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 842.928907][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 842.929624][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 842.931643][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 842.934281][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 842.935832][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 842.937394][ T29] INFO: task kworker/0:27:4166 blocked for more than 430 seconds. [ 842.939545][ T29] Not tainted syzkaller #0 [ 842.940990][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 842.943719][ T29] task:kworker/0:27 state:D stack:0 pid:4166 tgid:4166 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 842.946512][ T29] Workqueue: events bpf_prog_free_deferred [ 842.948029][ T29] Call trace: [ 842.948821][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 842.949766][ T29] r10:dfba1da4 r9:dfba1dac r8:00000002 r7:60000013 r6:82cd7e0c r5:84ed8c40 [ 842.950609][ T29] r4:84ed8c40 [ 842.951123][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 842.952007][ T29] r5:84ed8c40 r4:82cd7e08 [ 842.952713][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 842.954411][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 842.956401][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfba1e28 [ 842.957208][ T29] r4:863caf80 [ 842.964781][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 842.965939][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 842.966209][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 842.966449][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 842.966600][ T29] r4:863caf80 [ 842.966751][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 842.966962][ T29] r9:84ed8c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02b000 [ 842.967096][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 842.967297][ T29] r5:00001000 r4:dfdf3000 [ 842.967425][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 842.967606][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 842.971156][ T29] r5:863f5f98 r4:863f5f98 [ 842.971718][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 842.972649][ T29] r7:dddd0f00 r6:8302b000 r5:863f5f98 r4:85bb2480 [ 842.973816][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 842.974832][ T29] r10:dddd0f00 r9:85bb24b0 r8:84ed8c40 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 842.976169][ T29] r4:85bb2480 [ 842.976870][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 842.978712][ T29] r10:00000000 r9:dfb99e88 r8:85bb2100 r7:85bb2480 r6:80276d10 r5:84ed8c40 [ 842.979494][ T29] r4:85f73bc0 [ 842.980087][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 842.982334][ T29] Exception stack(0xdfba1fb0 to 0xdfba1ff8) [ 842.983473][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 842.984875][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 842.985645][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 842.986366][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85f73bc0 [ 842.987428][ T29] INFO: task kworker/0:27:4166 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 842.998031][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.001533][ T29] Workqueue: events bpf_prog_free_deferred [ 843.002697][ T29] Call trace: [ 843.008968][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.011849][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.012813][ T29] r4:00000000 [ 843.013714][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.015020][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.017117][ T29] 1d40: b752f000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.020711][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.022752][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.025902][ T29] r5:80000113 r4:802387a8 [ 843.026498][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.058687][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.058912][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.058943][ T29] r4:dfbb1de0 [ 843.058963][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.059039][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.059063][ T29] r4:862edc80 [ 843.059083][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.059159][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.059182][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.059260][ T29] r5:00001000 r4:dfba7000 [ 843.059280][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.059330][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.059385][ T29] r5:863f6b98 r4:863f6b98 [ 843.059403][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.059472][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.059494][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.059562][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.059587][ T29] r4:8632eb00 [ 843.059606][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.059920][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.059949][ T29] r4:85b60fc0 [ 843.059968][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.060023][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.076943][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.081883][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.084288][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.085039][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.086038][ T29] INFO: task kworker/1:37:4209 blocked for more than 430 seconds. [ 843.086956][ T29] Not tainted syzkaller #0 [ 843.087694][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.088529][ T29] task:kworker/1:37 state:D stack:0 pid:4209 tgid:4209 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.089863][ T29] Workqueue: events bpf_prog_free_deferred [ 843.094569][ T29] Call trace: [ 843.095490][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.096428][ T29] r10:dfbc1da4 r9:dfbc1dac r8:00000002 r7:60000113 r6:82cd7e0c r5:849c55c0 [ 843.097310][ T29] r4:849c55c0 [ 843.097929][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.098868][ T29] r5:849c55c0 r4:82cd7e08 [ 843.101603][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.102812][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.104198][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbc1e28 [ 843.104883][ T29] r4:85bbdf80 [ 843.105337][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.106088][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.106957][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.113636][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.121940][ T29] r4:85bbdf80 [ 843.123641][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.125063][ T29] r9:849c55c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f02d000 [ 843.126067][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.134282][ T29] r5:00001000 r4:dfe09000 [ 843.135086][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.136131][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.137270][ T29] r5:863f5798 r4:863f5798 [ 843.137901][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.138810][ T29] r7:ddde4f00 r6:8302ae00 r5:863f5798 r4:8632ec00 [ 843.139186][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.139699][ T29] r10:00000000 r9:8632ec30 r8:849c55c0 r7:82a03d80 r6:ddde4f20 r5:ddde4f00 [ 843.140186][ T29] r4:8632ec00 [ 843.140500][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.140979][ T29] r10:00000000 r9:dfbb9e88 r8:8632ee00 r7:8632ec00 r6:80276d10 r5:849c55c0 [ 843.141464][ T29] r4:85f86040 [ 843.141867][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.142809][ T29] Exception stack(0xdfbc1fb0 to 0xdfbc1ff8) [ 843.143851][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.144671][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.145468][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.146186][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85f86040 [ 843.147329][ T29] INFO: task kworker/1:37:4209 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.148195][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.149872][ T29] Workqueue: events bpf_prog_free_deferred [ 843.150890][ T29] Call trace: [ 843.151723][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.152576][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.153984][ T29] r4:00000000 [ 843.154675][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.155570][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.163816][ T29] 1d40: b937f000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.164936][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.165965][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.166770][ T29] r5:80000113 r4:802387a8 [ 843.167462][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.168536][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.169572][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.170391][ T29] r4:dfbb1de0 [ 843.170943][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.171794][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.172634][ T29] r4:862edc80 [ 843.173548][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.174439][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.175183][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.176054][ T29] r5:00001000 r4:dfba7000 [ 843.176631][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.177553][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.178395][ T29] r5:863f6b98 r4:863f6b98 [ 843.178930][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.179873][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.180570][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.181433][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.182217][ T29] r4:8632eb00 [ 843.182806][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.184313][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.185132][ T29] r4:85b60fc0 [ 843.185728][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.186545][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.187138][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.187856][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.188557][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.189200][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.190154][ T29] INFO: task kworker/0:99:4628 blocked for more than 430 seconds. [ 843.190950][ T29] Not tainted syzkaller #0 [ 843.191638][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.192425][ T29] task:kworker/0:99 state:D stack:0 pid:4628 tgid:4628 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.204253][ T29] Workqueue: events bpf_prog_free_deferred [ 843.204620][ T29] Call trace: [ 843.204898][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.205146][ T29] r10:e016dda4 r9:e016ddac r8:00000002 r7:60000113 r6:82cd7e0c r5:863fa4c0 [ 843.205309][ T29] r4:863fa4c0 [ 843.205452][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.205670][ T29] r5:863fa4c0 r4:82cd7e08 [ 843.205844][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.206042][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.206352][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e016de28 [ 843.206510][ T29] r4:863cadc0 [ 843.206649][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.206862][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.207069][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.207301][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.207447][ T29] r4:863cadc0 [ 843.207586][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.207809][ T29] r9:863fa4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f029000 [ 843.207947][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.208154][ T29] r5:00001000 r4:dfa91000 [ 843.208294][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.208484][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.208696][ T29] r5:861fbf98 r4:861fbf98 [ 843.208832][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.209052][ T29] r7:dddd0f00 r6:8302b000 r5:861fbf98 r4:85bc0800 [ 843.209190][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.209437][ T29] r10:dddd0f00 r9:85bc0830 r8:863fa4c0 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.209592][ T29] r4:85bc0800 [ 843.209748][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.210032][ T29] r10:00000000 r9:e0161e88 r8:85bc0780 r7:85bc0800 r6:80276d10 r5:863fa4c0 [ 843.210179][ T29] r4:85bd4e00 [ 843.210385][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.210575][ T29] Exception stack(0xe016dfb0 to 0xe016dff8) [ 843.210747][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 843.210906][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.211066][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.211254][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85bd4e00 [ 843.211764][ T29] INFO: task kworker/0:99:4628 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.211930][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.212383][ T29] Workqueue: events bpf_prog_free_deferred [ 843.212675][ T29] Call trace: [ 843.212929][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.224974][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.225057][ T29] r4:00000000 [ 843.225080][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.225183][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.225247][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.225288][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.225350][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.225384][ T29] r5:80000113 r4:802387a8 [ 843.225408][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.225485][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.225566][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.225611][ T29] r4:dfbb1de0 [ 843.225634][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.225814][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.225846][ T29] r4:862edc80 [ 843.225866][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.225943][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.225964][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.226022][ T29] r5:00001000 r4:dfba7000 [ 843.226041][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.226091][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.226631][ T29] r5:863f6b98 r4:863f6b98 [ 843.226800][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.228053][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.228101][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.228270][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.228298][ T29] r4:8632eb00 [ 843.228320][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.228394][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.228419][ T29] r4:85b60fc0 [ 843.228438][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.228490][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.228525][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.228560][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.228592][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.228631][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.228749][ T29] INFO: task kworker/0:103:4676 blocked for more than 430 seconds. [ 843.228801][ T29] Not tainted syzkaller #0 [ 843.228827][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.228847][ T29] task:kworker/0:103 state:D stack:0 pid:4676 tgid:4676 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.228952][ T29] Workqueue: events bpf_prog_free_deferred [ 843.229009][ T29] Call trace: [ 843.229059][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.229139][ T29] r10:e01a5da4 r9:e01a5dac r8:00000002 r7:60000113 r6:82cd7e0c r5:8635c980 [ 843.229165][ T29] r4:8635c980 [ 843.229214][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.229296][ T29] r5:8635c980 r4:82cd7e08 [ 843.229319][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.229373][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.229444][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e01a5e28 [ 843.229469][ T29] r4:863cab80 [ 843.229490][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.229540][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.229596][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.229723][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.229752][ T29] r4:863cab80 [ 843.229772][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.229848][ T29] r9:8635c980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02b000 [ 843.229869][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.229924][ T29] r5:00001000 r4:dfdff000 [ 843.229943][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.229993][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.230051][ T29] r5:86399798 r4:86399798 [ 843.230088][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.230155][ T29] r7:dddd0f00 r6:8302b000 r5:86399798 r4:85bc0480 [ 843.230173][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.230247][ T29] r10:dddd0f00 r9:85bc04b0 r8:8635c980 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.230271][ T29] r4:85bc0480 [ 843.230307][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.230374][ T29] r10:00000000 r9:e016de88 r8:85bb6480 r7:85bc0480 r6:80276d10 r5:8635c980 [ 843.230400][ T29] r4:830f8f80 [ 843.230418][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.230468][ T29] Exception stack(0xe01a5fb0 to 0xe01a5ff8) [ 843.230503][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 843.230559][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.230594][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.230630][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:830f8f80 [ 843.231023][ T29] INFO: task kworker/0:103:4676 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.231068][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.231159][ T29] Workqueue: events bpf_prog_free_deferred [ 843.231242][ T29] Call trace: [ 843.231288][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.231360][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.231388][ T29] r4:00000000 [ 843.231408][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.231460][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.231496][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.231534][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.231562][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.231589][ T29] r5:80000113 r4:802387a8 [ 843.231609][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.231675][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.231758][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.231785][ T29] r4:dfbb1de0 [ 843.231803][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.231873][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.231896][ T29] r4:862edc80 [ 843.231918][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.231988][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.232031][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.232198][ T29] r5:00001000 r4:dfba7000 [ 843.232228][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.232279][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.232331][ T29] r5:863f6b98 r4:863f6b98 [ 843.232353][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.232418][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.232458][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.232530][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.232552][ T29] r4:8632eb00 [ 843.232570][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.232638][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.232661][ T29] r4:85b60fc0 [ 843.232756][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.232826][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.232861][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.232895][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.232924][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.232958][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.232993][ T29] INFO: task kworker/0:104:4678 blocked for more than 430 seconds. [ 843.233028][ T29] Not tainted syzkaller #0 [ 843.233070][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.233134][ T29] task:kworker/0:104 state:D stack:0 pid:4678 tgid:4678 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.254058][ T29] Workqueue: events bpf_prog_free_deferred [ 843.254165][ T29] Call trace: [ 843.254237][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.254325][ T29] r10:e01c5da4 r9:e01c5dac r8:00000002 r7:60000113 r6:82cd7e0c r5:8635bd40 [ 843.254353][ T29] r4:8635bd40 [ 843.254373][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.254429][ T29] r5:8635bd40 r4:82cd7e08 [ 843.254448][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.254510][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.254585][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e01c5e28 [ 843.254629][ T29] r4:862eda80 [ 843.254664][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.254727][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.254793][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.254872][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.254980][ T29] r4:862eda80 [ 843.255033][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.255177][ T29] r9:8635bd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02f000 [ 843.255243][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.255361][ T29] r5:00001000 r4:e0195000 [ 843.255403][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.255515][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.255650][ T29] r5:85d5f398 r4:85d5f398 [ 843.255688][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.255848][ T29] r7:dddd0f00 r6:8302b000 r5:85d5f398 r4:85bc0380 [ 843.255890][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.256025][ T29] r10:00000000 r9:85bc03b0 r8:8635bd40 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.256086][ T29] r4:85bc0380 [ 843.256122][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.256267][ T29] r10:00000000 r9:e016de88 r8:85bb6380 r7:85bc0380 r6:80276d10 r5:8635bd40 [ 843.256314][ T29] r4:862edec0 [ 843.256349][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.256438][ T29] Exception stack(0xe01c5fb0 to 0xe01c5ff8) [ 843.256505][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 843.256571][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.256618][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.256667][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:862edec0 [ 843.257322][ T29] INFO: task kworker/0:104:4678 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.257485][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.257633][ T29] Workqueue: events bpf_prog_free_deferred [ 843.257792][ T29] Call trace: [ 843.257864][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.258010][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.258056][ T29] r4:00000000 [ 843.258091][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.258184][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.258259][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.258332][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.258387][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.258493][ T29] r5:80000113 r4:802387a8 [ 843.258531][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.258636][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.258741][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.258798][ T29] r4:dfbb1de0 [ 843.258831][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.258928][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.258958][ T29] r4:862edc80 [ 843.258982][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.259076][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.259102][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.259174][ T29] r5:00001000 r4:dfba7000 [ 843.259198][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.259262][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.259335][ T29] r5:863f6b98 r4:863f6b98 [ 843.259361][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.259448][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.259474][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.259564][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.259595][ T29] r4:8632eb00 [ 843.259615][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.259700][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.259725][ T29] r4:85b60fc0 [ 843.259745][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.259814][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.259851][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.259941][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.260566][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.260630][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.260697][ T29] INFO: task kworker/0:105:4696 blocked for more than 430 seconds. [ 843.260746][ T29] Not tainted syzkaller #0 [ 843.260779][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.260797][ T29] task:kworker/0:105 state:D stack:0 pid:4696 tgid:4696 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.260874][ T29] Workqueue: events bpf_prog_free_deferred [ 843.260948][ T29] Call trace: [ 843.260977][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.261049][ T29] r10:e01d1da4 r9:e01d1dac r8:00000002 r7:60000113 r6:82cd7e0c r5:86358c40 [ 843.261073][ T29] r4:86358c40 [ 843.261093][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.261151][ T29] r5:86358c40 r4:82cd7e08 [ 843.261174][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.261260][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.261352][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e01d1e28 [ 843.261381][ T29] r4:863cad00 [ 843.261401][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.261467][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.261530][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.261606][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.261631][ T29] r4:863cad00 [ 843.261650][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.261757][ T29] r9:86358c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.261796][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.261856][ T29] r5:00001000 r4:dfbbd000 [ 843.261878][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.261930][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.261990][ T29] r5:86022398 r4:86022398 [ 843.262010][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.262082][ T29] r7:dddd0f00 r6:8302b000 r5:86022398 r4:85bb6000 [ 843.262103][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.262177][ T29] r10:dddd0f00 r9:85bb6030 r8:86358c40 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.262201][ T29] r4:85bb6000 [ 843.262242][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.262320][ T29] r10:00000000 r9:e01a5e88 r8:85bbfe00 r7:85bb6000 r6:80276d10 r5:86358c40 [ 843.262344][ T29] r4:85f73300 [ 843.262363][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.262415][ T29] Exception stack(0xe01d1fb0 to 0xe01d1ff8) [ 843.262449][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.262484][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.262532][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.262573][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85f73300 [ 843.262961][ T29] INFO: task kworker/0:105:4696 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.263002][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.263199][ T29] Workqueue: events bpf_prog_free_deferred [ 843.274894][ T29] Call trace: [ 843.274982][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.275123][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.275170][ T29] r4:00000000 [ 843.275199][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.275263][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.275309][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.275366][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.275401][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.275430][ T29] r5:80000113 r4:802387a8 [ 843.275451][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.275524][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.275600][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.275624][ T29] r4:dfbb1de0 [ 843.275644][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.275730][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.275757][ T29] r4:862edc80 [ 843.275790][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.275864][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.275886][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.275974][ T29] r5:00001000 r4:dfba7000 [ 843.276000][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.276055][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.276117][ T29] r5:863f6b98 r4:863f6b98 [ 843.276140][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.276213][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.276235][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.276306][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.276332][ T29] r4:8632eb00 [ 843.276352][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.276423][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.276447][ T29] r4:85b60fc0 [ 843.276466][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.276532][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.277062][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.277137][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.277173][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.277230][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.277284][ T29] INFO: task kworker/0:106:4701 blocked for more than 430 seconds. [ 843.277333][ T29] Not tainted syzkaller #0 [ 843.277358][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.277379][ T29] task:kworker/0:106 state:D stack:0 pid:4701 tgid:4701 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.277454][ T29] Workqueue: events bpf_prog_free_deferred [ 843.277539][ T29] Call trace: [ 843.277568][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.277640][ T29] r10:e01d9da4 r9:e01d9dac r8:00000002 r7:60000013 r6:82cd7e0c r5:8635a4c0 [ 843.277677][ T29] r4:8635a4c0 [ 843.277720][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.277783][ T29] r5:8635a4c0 r4:82cd7e08 [ 843.277804][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.277855][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.277922][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e01d9e28 [ 843.277948][ T29] r4:85b553c0 [ 843.277967][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.278015][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.278072][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.278138][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.278161][ T29] r4:85b553c0 [ 843.278198][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.278272][ T29] r9:8635a4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02d000 [ 843.278297][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.278361][ T29] r5:00001000 r4:dfdcf000 [ 843.278382][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.278432][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.278488][ T29] r5:86398f98 r4:86398f98 [ 843.278509][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.278592][ T29] r7:dddd0f00 r6:8302b000 r5:86398f98 r4:85bc0200 [ 843.278619][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.278712][ T29] r10:00000000 r9:85bc0230 r8:8635a4c0 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.278739][ T29] r4:85bc0200 [ 843.278776][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.278853][ T29] r10:00000000 r9:e01d1e88 r8:85bc0300 r7:85bc0200 r6:80276d10 r5:8635a4c0 [ 843.278877][ T29] r4:85b5fa00 [ 843.278894][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.278954][ T29] Exception stack(0xe01d9fb0 to 0xe01d9ff8) [ 843.278985][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 843.279019][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.279051][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.279088][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b5fa00 [ 843.279467][ T29] INFO: task kworker/0:106:4701 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.279507][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.279580][ T29] Workqueue: events bpf_prog_free_deferred [ 843.279631][ T29] Call trace: [ 843.279684][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.279765][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.279808][ T29] r4:00000000 [ 843.279831][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.279880][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.279921][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.279959][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.279988][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.280014][ T29] r5:80000113 r4:802387a8 [ 843.280035][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.280098][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.280171][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.280202][ T29] r4:dfbb1de0 [ 843.280220][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.280291][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.280313][ T29] r4:862edc80 [ 843.280331][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.280399][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.280422][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.280477][ T29] r5:00001000 r4:dfba7000 [ 843.280498][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.280542][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.280595][ T29] r5:863f6b98 r4:863f6b98 [ 843.280616][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.280687][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.280710][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.280776][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.280800][ T29] r4:8632eb00 [ 843.280819][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.280889][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.280911][ T29] r4:85b60fc0 [ 843.280929][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.280979][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.281034][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.281073][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.281104][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.281141][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.281176][ T29] INFO: task kworker/0:108:4709 blocked for more than 430 seconds. [ 843.281212][ T29] Not tainted syzkaller #0 [ 843.281252][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.281271][ T29] task:kworker/0:108 state:D stack:0 pid:4709 tgid:4709 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.281344][ T29] Workqueue: events bpf_prog_free_deferred [ 843.281391][ T29] Call trace: [ 843.281417][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.281481][ T29] r10:e01e5da4 r9:e01e5dac r8:00000002 r7:60000013 r6:82cd7e0c r5:86356200 [ 843.281524][ T29] r4:86356200 [ 843.281546][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.281602][ T29] r5:86356200 r4:82cd7e08 [ 843.281623][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.281704][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.281793][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e01e5e28 [ 843.281820][ T29] r4:85bb7380 [ 843.281853][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.281924][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.281976][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.282046][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.282068][ T29] r4:85bb7380 [ 843.282085][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.282152][ T29] r9:86356200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f003000 [ 843.282173][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.282229][ T29] r5:00001000 r4:dfb6f000 [ 843.282251][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.282300][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.282358][ T29] r5:86398798 r4:86398798 [ 843.282377][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.282443][ T29] r7:dddd0f00 r6:8302b000 r5:86398798 r4:85bbfc80 [ 843.282463][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.282532][ T29] r10:00000000 r9:85bbfcb0 r8:86356200 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.282557][ T29] r4:85bbfc80 [ 843.282576][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.282644][ T29] r10:00000000 r9:e01e1e88 r8:85bbfb00 r7:85bbfc80 r6:80276d10 r5:86356200 [ 843.282676][ T29] r4:85b55000 [ 843.282693][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.282742][ T29] Exception stack(0xe01e5fb0 to 0xe01e5ff8) [ 843.282773][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 843.282809][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.282843][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.282882][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b55000 [ 843.304133][ T29] INFO: task kworker/0:108:4709 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.304245][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.304559][ T29] Workqueue: events bpf_prog_free_deferred [ 843.304665][ T29] Call trace: [ 843.304713][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.304801][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.304830][ T29] r4:00000000 [ 843.304850][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.304906][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.304945][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.304979][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.305020][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.305050][ T29] r5:80000113 r4:802387a8 [ 843.305085][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.305158][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.305227][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.305251][ T29] r4:dfbb1de0 [ 843.305270][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.305342][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.305365][ T29] r4:862edc80 [ 843.305382][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.305450][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.305489][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.305548][ T29] r5:00001000 r4:dfba7000 [ 843.305566][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.305625][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.305708][ T29] r5:863f6b98 r4:863f6b98 [ 843.305730][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.305797][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.305818][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.305885][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.305908][ T29] r4:8632eb00 [ 843.305926][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.305991][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.306014][ T29] r4:85b60fc0 [ 843.306033][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.306077][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.306106][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.306139][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.306171][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.306206][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.306251][ T29] INFO: task kworker/0:109:4712 blocked for more than 430 seconds. [ 843.306296][ T29] Not tainted syzkaller #0 [ 843.306320][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.306336][ T29] task:kworker/0:109 state:D stack:0 pid:4712 tgid:4712 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.306423][ T29] Workqueue: events bpf_prog_free_deferred [ 843.306468][ T29] Call trace: [ 843.306499][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.306567][ T29] r10:e0201da4 r9:e0201dac r8:00000002 r7:60000113 r6:82cd7e0c r5:86358000 [ 843.306592][ T29] r4:86358000 [ 843.306609][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.306659][ T29] r5:86358000 r4:82cd7e08 [ 843.306687][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.306742][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.306825][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0201e28 [ 843.306852][ T29] r4:85bb7400 [ 843.306873][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.306924][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.306978][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.307061][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.307087][ T29] r4:85bb7400 [ 843.307105][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.307191][ T29] r9:86358000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f029000 [ 843.307216][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.307275][ T29] r5:00001000 r4:dfb41000 [ 843.307293][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.307343][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.307398][ T29] r5:8620c398 r4:8620c398 [ 843.307418][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.307482][ T29] r7:dddd0f00 r6:8302b000 r5:8620c398 r4:85bc0100 [ 843.307502][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.307569][ T29] r10:00000000 r9:85bc0130 r8:86358000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.307592][ T29] r4:85bc0100 [ 843.307612][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.307687][ T29] r10:00000000 r9:e01e1e88 r8:85bc0080 r7:85bc0100 r6:80276d10 r5:86358000 [ 843.307713][ T29] r4:85b55000 [ 843.307731][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.307775][ T29] Exception stack(0xe0201fb0 to 0xe0201ff8) [ 843.307841][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.307876][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.307904][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.307950][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b55000 [ 843.308317][ T29] INFO: task kworker/0:109:4712 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.308360][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.308435][ T29] Workqueue: events bpf_prog_free_deferred [ 843.308490][ T29] Call trace: [ 843.308516][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.308587][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.308612][ T29] r4:00000000 [ 843.308629][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.308677][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.308726][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.308780][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.308813][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.308841][ T29] r5:80000113 r4:802387a8 [ 843.308864][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.308933][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.309024][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.309054][ T29] r4:dfbb1de0 [ 843.309102][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.309178][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.309203][ T29] r4:862edc80 [ 843.309224][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.309299][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.309320][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.309378][ T29] r5:00001000 r4:dfba7000 [ 843.309399][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.309450][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.309507][ T29] r5:863f6b98 r4:863f6b98 [ 843.309526][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.309613][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.309638][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.309729][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.309754][ T29] r4:8632eb00 [ 843.309772][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.309847][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.309870][ T29] r4:85b60fc0 [ 843.309936][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.310441][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.310509][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.310542][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.310568][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.310604][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.310692][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 843.310798][ T29] INFO: task kworker/0:110:4718 blocked for more than 430 seconds. [ 843.310848][ T29] Not tainted syzkaller #0 [ 843.310872][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.310889][ T29] task:kworker/0:110 state:D stack:0 pid:4718 tgid:4718 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.310958][ T29] Workqueue: events bpf_prog_free_deferred [ 843.311021][ T29] Call trace: [ 843.311073][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.311170][ T29] r10:e01f1da4 r9:e01f1dac r8:00000002 r7:60000013 r6:82cd7e0c r5:863555c0 [ 843.311203][ T29] r4:863555c0 [ 843.311223][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.311278][ T29] r5:863555c0 r4:82cd7e08 [ 843.311297][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.311346][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.311412][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e01f1e28 [ 843.311450][ T29] r4:85b60c00 [ 843.311472][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.311521][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.311577][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.311656][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.311687][ T29] r4:85b60c00 [ 843.311725][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.311797][ T29] r9:863555c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.311833][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.311897][ T29] r5:00001000 r4:dfdf5000 [ 843.311917][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.311970][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.312027][ T29] r5:86398398 r4:86398398 [ 843.312061][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.312140][ T29] r7:dddd0f00 r6:8302b000 r5:86398398 r4:85b65f80 [ 843.312179][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.312255][ T29] r10:00000000 r9:85b65fb0 r8:863555c0 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.312280][ T29] r4:85b65f80 [ 843.312298][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.312364][ T29] r10:00000000 r9:e01e1e88 r8:85bbf900 r7:85b65f80 r6:80276d10 r5:863555c0 [ 843.312388][ T29] r4:85bd7600 [ 843.312405][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.312452][ T29] Exception stack(0xe01f1fb0 to 0xe01f1ff8) [ 843.312485][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.312518][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.312568][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.312609][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85bd7600 [ 843.313032][ T29] INFO: task kworker/0:110:4718 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.313106][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.327567][ T29] Workqueue: events bpf_prog_free_deferred [ 843.327669][ T29] Call trace: [ 843.327721][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.327815][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.327841][ T29] r4:00000000 [ 843.327877][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.327938][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.327980][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.328019][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.328054][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.328083][ T29] r5:80000113 r4:802387a8 [ 843.328104][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.328175][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.328262][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.328288][ T29] r4:dfbb1de0 [ 843.328308][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.328381][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.328405][ T29] r4:862edc80 [ 843.328425][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.328500][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.328521][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.328579][ T29] r5:00001000 r4:dfba7000 [ 843.328622][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.328690][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.328768][ T29] r5:863f6b98 r4:863f6b98 [ 843.328793][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.328902][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.328926][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.329000][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.329024][ T29] r4:8632eb00 [ 843.329058][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.329150][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.329194][ T29] r4:85b60fc0 [ 843.329235][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.329289][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.329322][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.329356][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.329392][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.329430][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.329471][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 843.329521][ T29] INFO: task kworker/0:111:4721 blocked for more than 430 seconds. [ 843.329571][ T29] Not tainted syzkaller #0 [ 843.329596][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.329614][ T29] task:kworker/0:111 state:D stack:0 pid:4721 tgid:4721 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.329722][ T29] Workqueue: events bpf_prog_free_deferred [ 843.329805][ T29] Call trace: [ 843.329839][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.329946][ T29] r10:e01e9da4 r9:e01e9dac r8:00000002 r7:60000013 r6:82cd7e0c r5:86353d40 [ 843.329976][ T29] r4:86353d40 [ 843.329997][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.330055][ T29] r5:86353d40 r4:82cd7e08 [ 843.330076][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.330129][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.330200][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e01e9e28 [ 843.330255][ T29] r4:85bb7000 [ 843.330279][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.330332][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.330385][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.330455][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.330485][ T29] r4:85bb7000 [ 843.330505][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.330577][ T29] r9:86353d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02f000 [ 843.330597][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.330680][ T29] r5:00001000 r4:e018f000 [ 843.330703][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.330757][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.330814][ T29] r5:8620d398 r4:8620d398 [ 843.330867][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.330943][ T29] r7:dddd0f00 r6:8302b000 r5:8620d398 r4:85b65e80 [ 843.330964][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.331035][ T29] r10:00000000 r9:85b65eb0 r8:86353d40 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.331059][ T29] r4:85b65e80 [ 843.331078][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.331155][ T29] r10:00000000 r9:e01e1e88 r8:85bbf800 r7:85b65e80 r6:80276d10 r5:86353d40 [ 843.331183][ T29] r4:85b60cc0 [ 843.331214][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.331297][ T29] Exception stack(0xe01e9fb0 to 0xe01e9ff8) [ 843.331335][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 843.331371][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.331404][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.331455][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60cc0 [ 843.331880][ T29] INFO: task kworker/0:111:4721 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.331926][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.331997][ T29] Workqueue: events bpf_prog_free_deferred [ 843.332049][ T29] Call trace: [ 843.332080][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.332159][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.332201][ T29] r4:00000000 [ 843.332242][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.332300][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.332338][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.332376][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.332429][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.332461][ T29] r5:80000113 r4:802387a8 [ 843.332481][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.332553][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.332627][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.332651][ T29] r4:dfbb1de0 [ 843.332690][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.332768][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.332792][ T29] r4:862edc80 [ 843.332834][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.332913][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.332947][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.333008][ T29] r5:00001000 r4:dfba7000 [ 843.333028][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.333078][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.343864][ T29] r5:863f6b98 r4:863f6b98 [ 843.343959][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.344083][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.344104][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.344179][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.344203][ T29] r4:8632eb00 [ 843.344230][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.344308][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.344346][ T29] r4:85b60fc0 [ 843.344369][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.344422][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.344461][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.344499][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.344543][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.344616][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.344670][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 843.344745][ T29] INFO: task kworker/0:112:4724 blocked for more than 430 seconds. [ 843.344794][ T29] Not tainted syzkaller #0 [ 843.344820][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.344837][ T29] task:kworker/0:112 state:D stack:0 pid:4724 tgid:4724 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.344916][ T29] Workqueue: events bpf_prog_free_deferred [ 843.344993][ T29] Call trace: [ 843.345024][ T29] [<81b5537c>] (__schedule) from [<81b56814>] (schedule+0x2c/0x134) [ 843.345104][ T29] r10:e0205da4 r9:e0205dac r8:00000002 r7:600e0013 r6:82cd7e0c r5:86354980 [ 843.345130][ T29] r4:86354980 [ 843.345164][ T29] [<81b567e8>] (schedule) from [<81b569a0>] (schedule_preempt_disabled+0x18/0x24) [ 843.345252][ T29] r5:86354980 r4:82cd7e08 [ 843.345275][ T29] [<81b56988>] (schedule_preempt_disabled) from [<81b59b18>] (__mutex_lock.constprop.0+0x50c/0xa48) [ 843.345329][ T29] [<81b5960c>] (__mutex_lock.constprop.0) from [<81b5a128>] (__mutex_lock_slowpath+0x14/0x18) [ 843.345398][ T29] r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0205e28 [ 843.345422][ T29] r4:85bbde00 [ 843.345469][ T29] [<81b5a114>] (__mutex_lock_slowpath) from [<81b5a168>] (mutex_lock+0x3c/0x40) [ 843.345543][ T29] [<81b5a12c>] (mutex_lock) from [<8051e2c4>] (_vm_unmap_aliases+0x5c/0x238) [ 843.345604][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.345707][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.345741][ T29] r4:85bbde00 [ 843.345762][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.345839][ T29] r9:86354980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f029000 [ 843.345861][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.345920][ T29] r5:00001000 r4:dfb65000 [ 843.345982][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.346082][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.346143][ T29] r5:8638bf98 r4:8638bf98 [ 843.346162][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.346239][ T29] r7:dddd0f00 r6:8302b000 r5:8638bf98 r4:85b65d80 [ 843.346261][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.346335][ T29] r10:00000000 r9:85b65db0 r8:86354980 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.346359][ T29] r4:85b65d80 [ 843.346378][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.346455][ T29] r10:00000000 r9:e01e1e88 r8:85b65f00 r7:85b65d80 r6:80276d10 r5:86354980 [ 843.346479][ T29] r4:85bb7180 [ 843.346498][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.346550][ T29] Exception stack(0xe0205fb0 to 0xe0205ff8) [ 843.346583][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 843.346644][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.346684][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.347056][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85bb7180 [ 843.347476][ T29] INFO: task kworker/0:112:4724 is blocked on a mutex likely owned by task kworker/0:30:4221. [ 843.347517][ T29] task:kworker/0:30 state:R running task stack:0 pid:4221 tgid:4221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 843.347588][ T29] Workqueue: events bpf_prog_free_deferred [ 843.347660][ T29] Call trace: [ 843.347687][ T29] [<81b5537c>] (__schedule) from [<81b56c4c>] (preempt_schedule_irq+0x40/0xa8) [ 843.347764][ T29] r10:82a0b498 r9:844e8000 r8:80200c04 r7:dfbb1d7c r6:ffffffff r5:844e8000 [ 843.347801][ T29] r4:00000000 [ 843.347821][ T29] [<81b56c0c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 843.347874][ T29] Exception stack(0xdfbb1d48 to 0xdfbb1d90) [ 843.347914][ T29] 1d40: b972e000 eac35000 00000000 80238790 82cd71a0 82cd7de4 [ 843.347954][ T29] 1d60: 7f00f000 eac35000 00000000 00000001 82a0b498 dfbb1dbc eac35000 dfbb1d98 [ 843.347984][ T29] 1d80: 8022f6d0 802387a8 80000113 ffffffff [ 843.348011][ T29] r5:80000113 r4:802387a8 [ 843.348032][ T29] [<8022f670>] (flush_tlb_kernel_range) from [<8051e078>] (__purge_vmap_area_lazy+0x28c/0x47c) [ 843.348099][ T29] [<8051ddec>] (__purge_vmap_area_lazy) from [<8051e450>] (_vm_unmap_aliases+0x1e8/0x238) [ 843.348176][ T29] r10:00000000 r9:dfbb1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbb1e28 [ 843.348201][ T29] r4:dfbb1de0 [ 843.348218][ T29] [<8051e268>] (_vm_unmap_aliases) from [<80522054>] (vfree+0x110/0x17c) [ 843.348301][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 [ 843.348325][ T29] r4:862edc80 [ 843.348346][ T29] [<80521f44>] (vfree) from [<80598910>] (execmem_free+0x30/0x50) [ 843.348436][ T29] r9:844e8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000 [ 843.348534][ T29] [<805988e0>] (execmem_free) from [<803dc870>] (bpf_jit_free_exec+0x10/0x14) [ 843.348614][ T29] r5:00001000 r4:dfba7000 [ 843.348658][ T29] [<803dc860>] (bpf_jit_free_exec) from [<803dcc50>] (bpf_jit_free+0x64/0xe0) [ 843.348716][ T29] [<803dcbec>] (bpf_jit_free) from [<803ddd28>] (bpf_prog_free_deferred+0x148/0x160) [ 843.348777][ T29] r5:863f6b98 r4:863f6b98 [ 843.348797][ T29] [<803ddbe0>] (bpf_prog_free_deferred) from [<802761d0>] (process_one_work+0x1c8/0x580) [ 843.348889][ T29] r7:dddd0f00 r6:8302b000 r5:863f6b98 r4:8632eb00 [ 843.348915][ T29] [<80276008>] (process_one_work) from [<80276e7c>] (worker_thread+0x16c/0x318) [ 843.348989][ T29] r10:00000000 r9:8632eb30 r8:844e8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00 [ 843.349016][ T29] r4:8632eb00 [ 843.349035][ T29] [<80276d10>] (worker_thread) from [<802816f8>] (kthread+0x11c/0x154) [ 843.349108][ T29] r10:00000000 r9:dfba1e88 r8:85f80d00 r7:8632eb00 r6:80276d10 r5:844e8000 [ 843.349156][ T29] r4:85b60fc0 [ 843.349209][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.349272][ T29] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 843.349305][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 843.349340][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.349385][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.349426][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:85b60fc0 [ 843.349449][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 843.350930][ T29] NMI backtrace for cpu 1 [ 843.351342][ T29] CPU: 1 UID: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 843.351480][ T29] Hardware name: ARM-Versatile Express [ 843.351552][ T29] Call trace: [ 843.351611][ T29] [<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c) [ 843.351697][ T29] r7:600f0093 r6:600f0093 r5:82331c70 r4:00000000 [ 843.351719][ T29] [<80201a74>] (show_stack) from [<8021e5d4>] (dump_stack_lvl+0x5c/0x70) [ 843.351779][ T29] [<8021e578>] (dump_stack_lvl) from [<8021e600>] (dump_stack+0x18/0x1c) [ 843.351844][ T29] r7:00000000 r6:000f0013 r5:00000001 r4:00000001 [ 843.351878][ T29] [<8021e5e8>] (dump_stack) from [<81b3ea1c>] (nmi_cpu_backtrace+0x150/0x170) [ 843.351941][ T29] [<81b3e8cc>] (nmi_cpu_backtrace) from [<81b3eb70>] (nmi_trigger_cpumask_backtrace+0x134/0x208) [ 843.352003][ T29] r7:82a0b150 r6:83320c40 r5:82a1c7b8 r4:ffffffff [ 843.352038][ T29] [<81b3ea3c>] (nmi_trigger_cpumask_backtrace) from [<8022f0f4>] (arch_trigger_cpumask_backtrace+0x18/0x1c) [ 843.352121][ T29] r9:82a0b2f0 r8:0000000d r7:82a1ce80 r6:82ccae2c r5:00007d2b r4:00000048 [ 843.352142][ T29] [<8022f0dc>] (arch_trigger_cpumask_backtrace) from [<81b466ac>] (sys_info+0x68/0xa8) [ 843.352202][ T29] [<81b46644>] (sys_info) from [<8038f884>] (watchdog+0x3a0/0x848) [ 843.352276][ T29] r5:00007d2b r4:0000000a [ 843.352297][ T29] [<8038f4e4>] (watchdog) from [<802816f8>] (kthread+0x11c/0x154) [ 843.352369][ T29] r10:00000000 r9:df819e60 r8:831d5600 r7:00000000 r6:8038f4e4 r5:83320c40 [ 843.352391][ T29] r4:833e1100 [ 843.352410][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.352456][ T29] Exception stack(0xdf8d5fb0 to 0xdf8d5ff8) [ 843.352504][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 843.352542][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.352588][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.352628][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:833e1100 [ 843.352900][ T29] Sending NMI from CPU 1 to CPUs 0: [ 843.353915][ C0] NMI backtrace for cpu 0 [ 843.354094][ C0] CPU: 0 UID: 0 PID: 2826 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT [ 843.354142][ C0] Hardware name: ARM-Versatile Express [ 843.354184][ C0] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 [ 843.354262][ C0] LR is at pl011_console_device_unlock+0x20/0x24 [ 843.354309][ C0] pc : [<81b5fd24>] lr : [<80afe724>] psr: 60000113 [ 843.354344][ C0] sp : eb569ec8 ip : eb569ed8 fp : eb569ed4 [ 843.354376][ C0] r10: 82b5cd1c r9 : 00000000 r8 : 00000000 [ 843.354411][ C0] r7 : 00000117 r6 : 82b5cc80 r5 : 00000000 r4 : 00000001 [ 843.354448][ C0] r3 : 000008d5 r2 : 00000000 r1 : 60000113 r0 : 8494f440 [ 843.354561][ C0] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 843.354620][ C0] Control: 30c5387d Table: 85c6c0c0 DAC: fffffffd [ 843.354675][ C0] Call trace: [ 843.354708][ C0] [<81b5fcfc>] (_raw_spin_unlock_irqrestore) from [<80afe724>] (pl011_console_device_unlock+0x20/0x24) [ 843.354775][ C0] [<80afe704>] (pl011_console_device_unlock) from [<802ec168>] (nbcon_emit_one+0x88/0x100) [ 843.354830][ C0] [<802ec0e0>] (nbcon_emit_one) from [<802ec3e8>] (nbcon_kthread_func+0x208/0x2ec) [ 843.354892][ C0] r6:82cc72ec r5:82b5cc80 r4:84ecb100 [ 843.354907][ C0] [<802ec1e0>] (nbcon_kthread_func) from [<802816f8>] (kthread+0x11c/0x154) [ 843.354975][ C0] r10:00000000 r9:df941b38 r8:8489d280 r7:82b5cc80 r6:802ec1e0 r5:84ecb100 [ 843.354993][ C0] r4:84d8f280 [ 843.355006][ C0] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.355050][ C0] Exception stack(0xeb569fb0 to 0xeb569ff8) [ 843.355082][ C0] 9fa0: 00000000 00000000 00000000 00000000 [ 843.355113][ C0] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.355141][ C0] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.355175][ C0] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:84d8f280 [ 843.382527][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 843.707759][ T29] CPU: 1 UID: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 843.708319][ T29] Hardware name: ARM-Versatile Express [ 843.708823][ T29] Call trace: [ 843.709178][ T29] [<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c) [ 843.709941][ T29] r7:82a20f78 r6:00000000 r5:82331c70 r4:00000001 [ 843.710343][ T29] [<80201a74>] (show_stack) from [<8021e5d4>] (dump_stack_lvl+0x5c/0x70) [ 843.710967][ T29] [<8021e578>] (dump_stack_lvl) from [<8021e600>] (dump_stack+0x18/0x1c) [ 843.712436][ T29] r7:82a20f78 r6:00000000 r5:83320c40 r4:82c83d40 [ 843.712849][ T29] [<8021e5e8>] (dump_stack) from [<80202590>] (vpanic+0x114/0x320) [ 843.713350][ T29] [<8020247c>] (vpanic) from [<802027d0>] (trace_suspend_resume+0x0/0x100) [ 843.717469][ T29] r7:82a1ce80 [ 843.722379][ T29] [<8020279c>] (panic) from [<8038f89c>] (watchdog+0x3b8/0x848) [ 843.723786][ T29] r3:00000001 r2:00000000 r1:00000000 r0:8233296c [ 843.724120][ T29] [<8038f4e4>] (watchdog) from [<802816f8>] (kthread+0x11c/0x154) [ 843.724511][ T29] r10:00000000 r9:df819e60 r8:831d5600 r7:00000000 r6:8038f4e4 r5:83320c40 [ 843.724848][ T29] r4:833e1100 [ 843.725067][ T29] [<802815dc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 843.725594][ T29] Exception stack(0xdf8d5fb0 to 0xdf8d5ff8) [ 843.725942][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 843.726387][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 843.726765][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 843.727128][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815dc r4:833e1100 [ 843.729930][ T29] Rebooting in 86400 seconds..