[ 1253.577558][ T8535] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1253.755828][ T8535] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1253.882603][ T8535] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1253.972481][ T8535] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1254.971535][ T8535] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1255.202076][ T8535] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1255.228071][ T8535] bond0 (unregistering): Released all slaves [ 1255.541254][ T8535] hsr_slave_0: left promiscuous mode [ 1255.571478][ T8535] hsr_slave_1: left promiscuous mode [ 1255.605226][ T8535] veth1_macvtap: left promiscuous mode [ 1255.622554][ T8535] veth0_macvtap: left promiscuous mode [ 1255.623844][ T8535] veth1_vlan: left promiscuous mode [ 1255.626080][ T8535] veth0_vlan: left promiscuous mode Warning: Permanently added '[localhost]:41546' (ED25519) to the list of known hosts. [ 1260.517015][ T2958] 8021q: adding VLAN 0 to HW filter on device eth9 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1265.222733][ T2958] 8021q: adding VLAN 0 to HW filter on device eth10 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1270.768862][ T2958] 8021q: adding VLAN 0 to HW filter on device eth11 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1276.374695][ T2958] 8021q: adding VLAN 0 to HW filter on device eth12 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1544.882558][ T29] INFO: task kworker/1:7:5146 blocked for more than 430 seconds. [ 1544.883442][ T29] Not tainted syzkaller #0 [ 1544.883860][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1544.884220][ T29] task:kworker/1:7 state:D stack:0 pid:5146 tgid:5146 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1544.885121][ T29] Workqueue: events bpf_prog_free_deferred [ 1544.887118][ T29] Call trace: [ 1544.887555][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1544.889108][ T29] r10:dfb89da4 r9:dfb89dac r8:00000002 r7:60000013 r6:82ccfb50 r5:8513ee40 [ 1544.889605][ T29] r4:8513ee40 [ 1544.897045][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1544.897419][ T29] r5:8513ee40 r4:82ccfb4c [ 1544.897568][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1544.897678][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1544.897766][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb89e28 [ 1544.897792][ T29] r4:00000000 [ 1544.897850][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1544.897904][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1544.897982][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1544.898051][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86542640 [ 1544.898073][ T29] r4:00000000 [ 1544.898088][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1544.898157][ T29] r9:8513ee40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f069000 [ 1544.898176][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1544.898236][ T29] r5:00001000 r4:e0341000 [ 1544.898322][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1544.898381][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1544.898438][ T29] r5:865a1f8c r4:865a1f8c [ 1544.898457][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1544.898549][ T29] r7:ddde4e00 r6:8302ae00 r5:865a1f8c r4:85ca6880 [ 1544.898580][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1544.898651][ T29] r10:ddde4e00 r9:85ca68b0 r8:8513ee40 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1544.898672][ T29] r4:85ca6880 [ 1544.898687][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1544.898909][ T29] r10:00000000 r9:dfac5e88 r8:85ffb600 r7:85ca6880 r6:80276fb8 r5:8513ee40 [ 1544.898935][ T29] r4:85348d40 [ 1544.898953][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1544.899188][ T29] Exception stack(0xdfb89fb0 to 0xdfb89ff8) [ 1544.899362][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 1544.899420][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1544.899452][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1544.899527][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:85348d40 [ 1544.900314][ T29] INFO: task kworker/1:7:5146 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1544.908344][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1544.908570][ T29] Workqueue: events bpf_prog_free_deferred [ 1544.908652][ T29] Call trace: [ 1544.908679][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1544.908770][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1544.908809][ T29] r4:00000000 [ 1544.908829][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1544.909021][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1544.909371][ T29] 5d40: 9232e000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1544.909415][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1544.909443][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1544.909556][ T29] r5:80000013 r4:802387a8 [ 1544.909617][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1544.909687][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1544.909754][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1544.909774][ T29] r4:e0325de0 [ 1544.910077][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1544.910148][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1544.910168][ T29] r4:00000000 [ 1544.910183][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1544.910250][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1544.910267][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1544.910360][ T29] r5:00001000 r4:ead87000 [ 1544.910381][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1544.921591][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1544.921746][ T29] r5:85d0938c r4:85d0938c [ 1544.921765][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1544.921866][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1544.921887][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1544.921960][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1544.921996][ T29] r4:8654c400 [ 1544.922015][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1544.922087][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1544.922107][ T29] r4:863fbcc0 [ 1544.922135][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1544.922189][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1544.922526][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1544.922599][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1544.922636][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1544.922676][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1544.922826][ T29] INFO: task kworker/1:13:5179 blocked for more than 430 seconds. [ 1544.922881][ T29] Not tainted syzkaller #0 [ 1544.923126][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1544.923179][ T29] task:kworker/1:13 state:D stack:0 pid:5179 tgid:5179 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1544.923302][ T29] Workqueue: events bpf_prog_free_deferred [ 1544.923615][ T29] Call trace: [ 1544.923659][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1544.923805][ T29] r10:dfd41da4 r9:dfd41dac r8:00000002 r7:60000013 r6:82ccfb50 r5:84736200 [ 1544.923933][ T29] r4:84736200 [ 1544.923952][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1544.924048][ T29] r5:84736200 r4:82ccfb4c [ 1544.924152][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1544.924217][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1544.924289][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd41e28 [ 1544.924408][ T29] r4:00000000 [ 1544.924527][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1544.924582][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1544.924636][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1544.924733][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1e00 [ 1544.924759][ T29] r4:00000000 [ 1544.924776][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1544.924859][ T29] r9:84736200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06b000 [ 1544.924881][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1544.924987][ T29] r5:00001000 r4:ea5d9000 [ 1544.925007][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1544.925058][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1544.925176][ T29] r5:8629c78c r4:8629c78c [ 1544.925234][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1544.925306][ T29] r7:ddde4e00 r6:8302ae00 r5:8629c78c r4:85fe1180 [ 1544.925324][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1544.925550][ T29] r10:00000000 r9:85fe11b0 r8:84736200 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1544.925577][ T29] r4:85fe1180 [ 1544.925665][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1544.925738][ T29] r10:00000000 r9:dfb89e88 r8:85d70a00 r7:85fe1180 r6:80276fb8 r5:84736200 [ 1544.925773][ T29] r4:85d786c0 [ 1544.925791][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1544.925841][ T29] Exception stack(0xdfd41fb0 to 0xdfd41ff8) [ 1544.925873][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 1544.925907][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1544.925937][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1544.926041][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:85d786c0 [ 1544.926636][ T29] INFO: task kworker/1:13:5179 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1544.926679][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1544.926791][ T29] Workqueue: events bpf_prog_free_deferred [ 1544.926923][ T29] Call trace: [ 1544.926964][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1544.927046][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1544.927083][ T29] r4:00000000 [ 1544.927101][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1544.927160][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1544.927195][ T29] 5d40: 9232e000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1544.927230][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1544.927256][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1544.927280][ T29] r5:80000013 r4:802387a8 [ 1544.927298][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1544.927368][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1544.927465][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1544.927491][ T29] r4:e0325de0 [ 1544.927507][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1544.927574][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1544.927594][ T29] r4:00000000 [ 1544.927609][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1544.927678][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1544.927696][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1544.927752][ T29] r5:00001000 r4:ead87000 [ 1544.927811][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1544.927865][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1544.927945][ T29] r5:85d0938c r4:85d0938c [ 1544.927966][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1544.928103][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1544.928122][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1544.928292][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1544.928317][ T29] r4:8654c400 [ 1544.928334][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1544.928441][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1544.928464][ T29] r4:863fbcc0 [ 1544.928498][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1544.928551][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1544.928582][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1544.928618][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1544.928650][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1544.928729][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1544.928772][ T29] INFO: task kworker/1:15:5201 blocked for more than 430 seconds. [ 1544.928945][ T29] Not tainted syzkaller #0 [ 1544.929067][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1544.929092][ T29] task:kworker/1:15 state:D stack:0 pid:5201 tgid:5201 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1544.929167][ T29] Workqueue: events bpf_prog_free_deferred [ 1544.929323][ T29] Call trace: [ 1544.929365][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1544.929441][ T29] r10:dfc15da4 r9:dfc15dac r8:00000002 r7:60000113 r6:82ccfb50 r5:83f63100 [ 1544.929462][ T29] r4:83f63100 [ 1544.929478][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1544.929541][ T29] r5:83f63100 r4:82ccfb4c [ 1544.929555][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1544.929615][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1544.929682][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc15e28 [ 1544.929724][ T29] r4:00000000 [ 1544.929743][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1544.929793][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1544.929894][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1544.929968][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85fcf000 [ 1544.929986][ T29] r4:00000000 [ 1544.930000][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1544.930066][ T29] r9:83f63100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f077000 [ 1544.930099][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1544.930159][ T29] r5:00001000 r4:eaae9000 [ 1544.930175][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1544.930224][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1544.930278][ T29] r5:86366b8c r4:86366b8c [ 1544.930307][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1544.955031][ T29] r7:ddde4e00 r6:8302ae00 r5:86366b8c r4:85ca6a00 [ 1544.955113][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1544.955238][ T29] r10:00000000 r9:85ca6a30 r8:83f63100 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1544.955259][ T29] r4:85ca6a00 [ 1544.955274][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1544.955344][ T29] r10:00000000 r9:dfb05e88 r8:84e7dc00 r7:85ca6a00 r6:80276fb8 r5:83f63100 [ 1544.955382][ T29] r4:86147740 [ 1544.955397][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1544.955449][ T29] Exception stack(0xdfc15fb0 to 0xdfc15ff8) [ 1544.955487][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1544.955524][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1544.955555][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1544.955591][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:86147740 [ 1544.956096][ T29] INFO: task kworker/1:15:5201 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1544.956139][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1544.956262][ T29] Workqueue: events bpf_prog_free_deferred [ 1544.956505][ T29] Call trace: [ 1544.956557][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1544.957141][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1544.957168][ T29] r4:00000000 [ 1544.957186][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1544.957286][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1544.957325][ T29] 5d40: 9232e000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1544.957371][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1544.957400][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1544.957512][ T29] r5:80000013 r4:802387a8 [ 1544.957594][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1544.957668][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1544.957795][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1544.957824][ T29] r4:e0325de0 [ 1544.957871][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1544.957945][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1544.957965][ T29] r4:00000000 [ 1544.957981][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1544.958052][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1544.958191][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1544.958256][ T29] r5:00001000 r4:ead87000 [ 1544.958404][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1544.958577][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1544.958645][ T29] r5:85d0938c r4:85d0938c [ 1544.958661][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1544.958728][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1544.958744][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1544.958812][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1544.958928][ T29] r4:8654c400 [ 1544.958950][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1544.959023][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1544.959043][ T29] r4:863fbcc0 [ 1544.959060][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1544.959229][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1544.959263][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1544.959298][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1544.959649][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1544.959953][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1544.960141][ T29] INFO: task kworker/1:67:5534 blocked for more than 430 seconds. [ 1544.960190][ T29] Not tainted syzkaller #0 [ 1544.960227][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1544.960243][ T29] task:kworker/1:67 state:D stack:0 pid:5534 tgid:5534 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1544.960306][ T29] Workqueue: events bpf_prog_free_deferred [ 1544.960566][ T29] Call trace: [ 1544.960626][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) executing program [ 1544.960714][ T29] r10:dfe01da4 r9:dfe01dac r8:00000002 r7:60000113 r6:82ccfb50 r5:86390000 [ 1544.960733][ T29] r4:86390000 [ 1544.960747][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1544.960817][ T29] r5:86390000 r4:82ccfb4c [ 1544.978073][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1544.978235][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1544.978333][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe01e28 [ 1544.978372][ T29] r4:00000000 [ 1544.978597][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1544.978674][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1544.978840][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1544.978953][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860d3700 [ 1544.978974][ T29] r4:00000000 [ 1544.978990][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1544.979110][ T29] r9:86390000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f065000 [ 1544.979132][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1544.979193][ T29] r5:00001000 r4:df99d000 [ 1544.979208][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1544.979269][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1544.979330][ T29] r5:8627438c r4:8627438c [ 1544.979355][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1544.979426][ T29] r7:ddde4e00 r6:8302ae00 r5:8627438c r4:85374a00 [ 1544.979444][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1544.979514][ T29] r10:ddde4e00 r9:85374a30 r8:86390000 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1544.979534][ T29] r4:85374a00 [ 1544.979548][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1544.979618][ T29] r10:00000000 r9:e0155e88 r8:86143b00 r7:85374a00 r6:80276fb8 r5:86390000 [ 1544.979637][ T29] r4:852de7c0 [ 1544.979653][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1544.979702][ T29] Exception stack(0xdfe01fb0 to 0xdfe01ff8) [ 1544.980085][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 1544.980127][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1544.980158][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1544.980194][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:852de7c0 [ 1544.982076][ T29] INFO: task kworker/1:67:5534 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1544.982132][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1544.982188][ T29] Workqueue: events bpf_prog_free_deferred [ 1544.982230][ T29] Call trace: [ 1544.982243][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1544.982291][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1544.982301][ T29] r4:00000000 [ 1544.982308][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1544.982337][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1544.982360][ T29] 5d40: 9232e000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1544.982377][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1544.982391][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1544.982403][ T29] r5:80000013 r4:802387a8 [ 1544.982410][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1544.982443][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1544.982475][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1544.982484][ T29] r4:e0325de0 [ 1544.982491][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1544.982522][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1544.982531][ T29] r4:00000000 [ 1544.982538][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1544.982570][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1544.982578][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1544.982611][ T29] r5:00001000 r4:ead87000 [ 1544.982619][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1544.982642][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1544.982668][ T29] r5:85d0938c r4:85d0938c [ 1544.982675][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1544.982708][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1544.982715][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1544.982749][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1544.982758][ T29] r4:8654c400 [ 1544.982765][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1544.982797][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1544.982806][ T29] r4:863fbcc0 [ 1544.982814][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1544.982835][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1544.982849][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1544.982865][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1544.982880][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1544.982942][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1544.982993][ T29] INFO: task kworker/1:72:5592 blocked for more than 430 seconds. [ 1544.983049][ T29] Not tainted syzkaller #0 [ 1544.983075][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1544.983104][ T29] task:kworker/1:72 state:D stack:0 pid:5592 tgid:5592 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1544.983157][ T29] Workqueue: events bpf_prog_free_deferred executing program [ 1544.983200][ T29] Call trace: [ 1544.983223][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1544.983291][ T29] r10:e02bdda4 r9:e02bddac r8:00000002 r7:60000013 r6:82ccfb50 r5:8638e200 [ 1544.983309][ T29] r4:8638e200 [ 1544.983323][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1544.983381][ T29] r5:8638e200 r4:82ccfb4c [ 1544.983395][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1544.983447][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1544.983513][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e02bde28 [ 1544.983531][ T29] r4:00000000 [ 1544.983544][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1544.983591][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1544.993670][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1544.993834][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1a00 [ 1544.993997][ T29] r4:00000000 [ 1544.994017][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1544.994260][ T29] r9:8638e200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f077000 [ 1544.994283][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1544.994348][ T29] r5:00001000 r4:ea965000 [ 1544.994368][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1544.994600][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1544.994665][ T29] r5:857c1f8c r4:857c1f8c [ 1544.994768][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1544.994845][ T29] r7:ddde4e00 r6:8302ae00 r5:857c1f8c r4:86548380 [ 1544.994910][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1544.994988][ T29] r10:ddde4e00 r9:865483b0 r8:8638e200 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1544.995300][ T29] r4:86548380 [ 1544.995332][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1544.995519][ T29] r10:00000000 r9:e02b9e88 r8:86548300 r7:86548380 r6:80276fb8 r5:8638e200 [ 1544.995543][ T29] r4:86592b00 [ 1544.995559][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1544.995618][ T29] Exception stack(0xe02bdfb0 to 0xe02bdff8) [ 1544.995656][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1544.995690][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1544.995827][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1544.995903][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:86592b00 [ 1545.004615][ T29] INFO: task kworker/1:72:5592 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.005368][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.005475][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.005624][ T29] Call trace: [ 1545.005704][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.005802][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.005824][ T29] r4:00000000 [ 1545.005871][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.005965][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.006005][ T29] 5d40: 9232e000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.006042][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.006091][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.006121][ T29] r5:80000013 r4:802387a8 [ 1545.006189][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.006305][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.006410][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.006436][ T29] r4:e0325de0 [ 1545.006457][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.006525][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.006550][ T29] r4:00000000 [ 1545.006908][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.006987][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.007186][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.007259][ T29] r5:00001000 r4:ead87000 [ 1545.007278][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.007330][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.007712][ T29] r5:85d0938c r4:85d0938c [ 1545.007734][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.007822][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.007842][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.007913][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.007933][ T29] r4:8654c400 [ 1545.007949][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.008018][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.008038][ T29] r4:863fbcc0 [ 1545.008272][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.020052][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.020150][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.020186][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.020217][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.020260][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.022586][ T29] INFO: task kworker/1:73:5595 blocked for more than 430 seconds. [ 1545.022713][ T29] Not tainted syzkaller #0 [ 1545.022789][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.032606][ T29] task:kworker/1:73 state:D stack:0 pid:5595 tgid:5595 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.032908][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.033159][ T29] Call trace: [ 1545.033189][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.033283][ T29] r10:e032dda4 r9:e032ddac r8:00000002 r7:60000113 r6:82ccfb50 r5:8638c980 [ 1545.033307][ T29] r4:8638c980 [ 1545.033858][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.033933][ T29] r5:8638c980 r4:82ccfb4c [ 1545.033951][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.034285][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.034362][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e032de28 [ 1545.034383][ T29] r4:00000000 [ 1545.034398][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.034447][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.034497][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.034850][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8631fdc0 [ 1545.035001][ T29] r4:00000000 [ 1545.035110][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.035189][ T29] r9:8638c980 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f07b000 [ 1545.035206][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.035262][ T29] r5:00001000 r4:eaafb000 [ 1545.035312][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.035367][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.035423][ T29] r5:85d0438c r4:85d0438c [ 1545.035440][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.035513][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0438c r4:86548180 [ 1545.035531][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.035608][ T29] r10:ddde4e00 r9:865481b0 r8:8638c980 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.035627][ T29] r4:86548180 [ 1545.035700][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.035776][ T29] r10:00000000 r9:e02bde88 r8:86548100 r7:86548180 r6:80276fb8 r5:8638c980 [ 1545.036300][ T29] r4:865aa800 [ 1545.036353][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.036410][ T29] Exception stack(0xe032dfb0 to 0xe032dff8) [ 1545.036444][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1545.036566][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.036729][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.036857][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:865aa800 [ 1545.037380][ T29] INFO: task kworker/1:73:5595 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.037427][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.037945][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.037997][ T29] Call trace: [ 1545.038624][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.038713][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.038912][ T29] r4:00000000 [ 1545.038935][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.039263][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.039303][ T29] 5d40: 9232e000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.040329][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.040490][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.081440][ T29] r5:80000013 r4:802387a8 [ 1545.081497][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.081607][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.081677][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.081701][ T29] r4:e0325de0 [ 1545.081719][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.081782][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.081804][ T29] r4:00000000 [ 1545.081818][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.081880][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.081895][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.081947][ T29] r5:00001000 r4:ead87000 [ 1545.081961][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.082006][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.082055][ T29] r5:85d0938c r4:85d0938c [ 1545.082069][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.082129][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.082144][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.082208][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.082226][ T29] r4:8654c400 [ 1545.082241][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.082311][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.082331][ T29] r4:863fbcc0 [ 1545.082346][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.082398][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.082434][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.082467][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.082498][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.082534][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.082571][ T29] INFO: task kworker/1:74:5600 blocked for more than 430 seconds. [ 1545.082622][ T29] Not tainted syzkaller #0 [ 1545.082646][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.082661][ T29] task:kworker/1:74 state:D stack:0 pid:5600 tgid:5600 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.082737][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.082788][ T29] Call trace: [ 1545.082815][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.082924][ T29] r10:e4411da4 r9:e4411dac r8:00000002 r7:60000013 r6:82ccfb50 r5:8638b100 [ 1545.082945][ T29] r4:8638b100 executing program [ 1545.082958][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.083013][ T29] r5:8638b100 r4:82ccfb4c [ 1545.083026][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.083083][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.083153][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4411e28 [ 1545.083174][ T29] r4:00000000 [ 1545.083188][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.083239][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.083288][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.083354][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86142e00 [ 1545.083376][ T29] r4:00000000 [ 1545.083391][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.083458][ T29] r9:8638b100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000 [ 1545.083476][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.083533][ T29] r5:00001000 r4:ea775000 [ 1545.083550][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.083604][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.083658][ T29] r5:8579b78c r4:8579b78c [ 1545.083673][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.083735][ T29] r7:ddde4e00 r6:8302ae00 r5:8579b78c r4:8654bc00 [ 1545.083751][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.083866][ T29] r10:ddde4e00 r9:8654bc30 r8:8638b100 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.083887][ T29] r4:8654bc00 [ 1545.083899][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.083959][ T29] r10:00000000 r9:e02bde88 r8:8654bb80 r7:8654bc00 r6:80276fb8 r5:8638b100 [ 1545.083975][ T29] r4:865aa580 [ 1545.083987][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.084028][ T29] Exception stack(0xe4411fb0 to 0xe4411ff8) [ 1545.084053][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 1545.084081][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.084107][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.084136][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:865aa580 [ 1545.084586][ T29] INFO: task kworker/1:74:5600 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.084638][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.084699][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.084744][ T29] Call trace: [ 1545.084766][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.084838][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.084857][ T29] r4:00000000 [ 1545.084872][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.084927][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.084957][ T29] 5d40: 9232e000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.084988][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.085013][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.085037][ T29] r5:80000013 r4:802387a8 [ 1545.085053][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.085113][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.085175][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.085194][ T29] r4:e0325de0 [ 1545.085207][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.085265][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.085281][ T29] r4:00000000 [ 1545.085294][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.085351][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.085367][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.085417][ T29] r5:00001000 r4:ead87000 [ 1545.085431][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.085476][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.085526][ T29] r5:85d0938c r4:85d0938c [ 1545.085538][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.085603][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.085619][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.085684][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.085701][ T29] r4:8654c400 [ 1545.085714][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.085772][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.085789][ T29] r4:863fbcc0 [ 1545.085802][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.085845][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.085871][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.085905][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.085932][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.085967][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.085991][ T29] INFO: task kworker/1:75:5606 blocked for more than 430 seconds. [ 1545.086027][ T29] Not tainted syzkaller #0 [ 1545.086048][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.086062][ T29] task:kworker/1:75 state:D stack:0 pid:5606 tgid:5606 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.086112][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.086157][ T29] Call trace: [ 1545.086180][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.086255][ T29] r10:e0379da4 r9:e0379dac r8:00000002 r7:60000013 r6:82ccfb50 r5:8638a4c0 [ 1545.086275][ T29] r4:8638a4c0 [ 1545.086290][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.086352][ T29] r5:8638a4c0 r4:82ccfb4c [ 1545.086368][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.086424][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.086491][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0379e28 [ 1545.086510][ T29] r4:00000000 [ 1545.086525][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.086574][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.086629][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.086692][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1b00 [ 1545.086712][ T29] r4:00000000 [ 1545.086726][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.086790][ T29] r9:8638a4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06f000 [ 1545.086806][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.087770][ T29] r5:00001000 r4:dfb17000 [ 1545.087817][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.087883][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.087932][ T29] r5:85d0678c r4:85d0678c [ 1545.087947][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.088007][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0678c r4:8654b980 [ 1545.088021][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.088081][ T29] r10:ddde4e00 r9:8654b9b0 r8:8638a4c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.088097][ T29] r4:8654b980 [ 1545.088109][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.088167][ T29] r10:00000000 r9:e4411e88 r8:8654bd00 r7:8654b980 r6:80276fb8 r5:8638a4c0 [ 1545.088183][ T29] r4:8535ee80 [ 1545.088196][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.088239][ T29] Exception stack(0xe0379fb0 to 0xe0379ff8) [ 1545.088270][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 1545.088301][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.088332][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.088370][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8535ee80 [ 1545.088822][ T29] INFO: task kworker/1:75:5606 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.088865][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.088940][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.088990][ T29] Call trace: [ 1545.089013][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.089091][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.089109][ T29] r4:00000000 [ 1545.089122][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.089177][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.089210][ T29] 5d40: 9232e000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.089290][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.089319][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.089340][ T29] r5:80000013 r4:802387a8 [ 1545.089357][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.089422][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.089500][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.089520][ T29] r4:e0325de0 [ 1545.089535][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.089604][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.089622][ T29] r4:00000000 [ 1545.089637][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.089702][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.089719][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.089773][ T29] r5:00001000 r4:ead87000 [ 1545.089789][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.089839][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.089924][ T29] r5:85d0938c r4:85d0938c executing program [ 1545.089943][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.090013][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.090029][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.090098][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.090117][ T29] r4:8654c400 [ 1545.090132][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.090201][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.090221][ T29] r4:863fbcc0 [ 1545.090235][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.090280][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.090309][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.090343][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.311224][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.312063][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.313013][ T29] INFO: task kworker/1:76:5609 blocked for more than 430 seconds. [ 1545.313888][ T29] Not tainted syzkaller #0 [ 1545.314558][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.315522][ T29] task:kworker/1:76 state:D stack:0 pid:5609 tgid:5609 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.316826][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.322174][ T29] Call trace: [ 1545.323391][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.324383][ T29] r10:dfcd9da4 r9:dfcd9dac r8:00000002 r7:60000113 r6:82ccfb50 r5:8638bd40 [ 1545.325306][ T29] r4:8638bd40 [ 1545.325907][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.326833][ T29] r5:8638bd40 r4:82ccfb4c [ 1545.327469][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.328558][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.329545][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcd9e28 [ 1545.330784][ T29] r4:00000000 [ 1545.331472][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.332365][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.333660][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.334783][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:863fb640 [ 1545.335575][ T29] r4:00000000 [ 1545.340948][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.341928][ T29] r9:8638bd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f073000 [ 1545.342729][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.343643][ T29] r5:00001000 r4:ea883000 [ 1545.344273][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.345140][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.346115][ T29] r5:846f878c r4:846f878c [ 1545.346735][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.347726][ T29] r7:ddde4e00 r6:8302ae00 r5:846f878c r4:8654b700 [ 1545.348501][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.349454][ T29] r10:00000000 r9:8654b730 r8:8638bd40 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.350373][ T29] r4:8654b700 [ 1545.351628][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.352486][ T29] r10:00000000 r9:e4411e88 r8:8654ba00 r7:8654b700 r6:80276fb8 r5:8638bd40 [ 1545.353435][ T29] r4:8654aac0 [ 1545.354081][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.355110][ T29] Exception stack(0xdfcd9fb0 to 0xdfcd9ff8) [ 1545.356086][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 1545.357125][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.358215][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.360883][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8654aac0 [ 1545.362229][ T29] INFO: task kworker/1:76:5609 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.371033][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.371585][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.371863][ T29] Call trace: [ 1545.372097][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.372311][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.372457][ T29] r4:00000000 [ 1545.372578][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.372775][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.372935][ T29] 5d40: 92bf4000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.373086][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.373232][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.373383][ T29] r5:80000013 r4:802387a8 [ 1545.373508][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.373708][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.373911][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.374040][ T29] r4:e0325de0 [ 1545.374167][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.374381][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.374513][ T29] r4:00000000 [ 1545.374638][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.374841][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.375003][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.375229][ T29] r5:00001000 r4:ead87000 [ 1545.375359][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.375540][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.375734][ T29] r5:85d0938c r4:85d0938c [ 1545.375854][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.376053][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.376176][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.376387][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.376517][ T29] r4:8654c400 [ 1545.376645][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.376846][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.376973][ T29] r4:863fbcc0 [ 1545.377097][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.377263][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.377416][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.377558][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.377699][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.377842][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.377981][ T29] INFO: task kworker/1:77:5615 blocked for more than 430 seconds. [ 1545.378151][ T29] Not tainted syzkaller #0 [ 1545.378284][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.378419][ T29] task:kworker/1:77 state:D stack:0 pid:5615 tgid:5615 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.378724][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.379028][ T29] Call trace: [ 1545.379261][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.379483][ T29] r10:e01cdda4 r9:e01cddac r8:00000002 r7:60000113 r6:82ccfb50 r5:85196e40 [ 1545.379620][ T29] r4:85196e40 [ 1545.379737][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.379936][ T29] r5:85196e40 r4:82ccfb4c [ 1545.380055][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.380237][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.421220][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e01cde28 [ 1545.423238][ T29] r4:00000000 [ 1545.423453][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.423685][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.423867][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.424094][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1c80 [ 1545.424230][ T29] r4:00000000 [ 1545.424362][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.424567][ T29] r9:85196e40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f079000 [ 1545.424692][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.424889][ T29] r5:00001000 r4:ead0f000 [ 1545.425012][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.425190][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.425395][ T29] r5:85c30b8c r4:85c30b8c [ 1545.425517][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.425716][ T29] r7:ddde4e00 r6:8302ae00 r5:85c30b8c r4:8654b280 [ 1545.425835][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.426033][ T29] r10:ddde4e00 r9:8654b2b0 r8:85196e40 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.426164][ T29] r4:8654b280 [ 1545.426301][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.426515][ T29] r10:00000000 r9:e4411e88 r8:8654b200 r7:8654b280 r6:80276fb8 r5:85196e40 [ 1545.426652][ T29] r4:8535cc00 [ 1545.426778][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.426979][ T29] Exception stack(0xe01cdfb0 to 0xe01cdff8) [ 1545.427129][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1545.427283][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.427426][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.427584][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8535cc00 [ 1545.428166][ T29] INFO: task kworker/1:77:5615 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.428343][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.428760][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.429050][ T29] Call trace: [ 1545.429310][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.429524][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.429658][ T29] r4:00000000 [ 1545.429777][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.429958][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.430112][ T29] 5d40: 9302a000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.430260][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.430428][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.544140][ T29] r5:80000013 r4:802387a8 [ 1545.544447][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.544639][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.544718][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.544781][ T29] r4:e0325de0 [ 1545.544834][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.544941][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.544967][ T29] r4:00000000 [ 1545.544986][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.545057][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.545076][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.545139][ T29] r5:00001000 r4:ead87000 [ 1545.545156][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.545208][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.545263][ T29] r5:85d0938c r4:85d0938c [ 1545.545279][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.545397][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.545451][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.545529][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.545552][ T29] r4:8654c400 [ 1545.545568][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.545677][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.545703][ T29] r4:863fbcc0 [ 1545.545720][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.545772][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.545810][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.545845][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.545876][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.545941][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.546018][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.548250][ T29] INFO: task kworker/1:78:5620 blocked for more than 430 seconds. [ 1545.548364][ T29] Not tainted syzkaller #0 [ 1545.548400][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.548456][ T29] task:kworker/1:78 state:D stack:0 pid:5620 tgid:5620 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.548581][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.548671][ T29] Call trace: [ 1545.548704][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.548910][ T29] r10:e01b9da4 r9:e01b9dac r8:00000002 r7:60000113 r6:82ccfb50 r5:85196200 [ 1545.548943][ T29] r4:85196200 [ 1545.548961][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.549044][ T29] r5:85196200 r4:82ccfb4c [ 1545.549062][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.549133][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.549220][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e01b9e28 [ 1545.549244][ T29] r4:00000000 [ 1545.549263][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.549377][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.549454][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.549560][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1c00 [ 1545.549587][ T29] r4:00000000 [ 1545.549613][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.549685][ T29] r9:85196200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f067000 [ 1545.549703][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.549761][ T29] r5:00001000 r4:df849000 [ 1545.549822][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.549885][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.549943][ T29] r5:864a9b8c r4:864a9b8c [ 1545.549959][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.550030][ T29] r7:ddde4e00 r6:8302ae00 r5:864a9b8c r4:8654ce80 [ 1545.550047][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.550119][ T29] r10:ddde4e00 r9:8654ceb0 r8:85196200 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.550139][ T29] r4:8654ce80 [ 1545.550154][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.550263][ T29] r10:00000000 r9:e01cde88 r8:8654b100 r7:8654ce80 r6:80276fb8 r5:85196200 [ 1545.550291][ T29] r4:85e42200 [ 1545.550412][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.558520][ T29] Exception stack(0xe01b9fb0 to 0xe01b9ff8) [ 1545.558620][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 1545.558672][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.558727][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.558774][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:85e42200 [ 1545.559299][ T29] INFO: task kworker/1:78:5620 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.559395][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.559525][ T29] Workqueue: events bpf_prog_free_deferred executing program [ 1545.559674][ T29] Call trace: [ 1545.559711][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.559805][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.559847][ T29] r4:00000000 [ 1545.559869][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.559937][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.559975][ T29] 5d40: 95a99000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.560013][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.560042][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.560070][ T29] r5:80000013 r4:802387a8 [ 1545.560137][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.560219][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.560288][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.560309][ T29] r4:e0325de0 [ 1545.560326][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.560399][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.560474][ T29] r4:00000000 [ 1545.593020][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.593339][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.593485][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.593698][ T29] r5:00001000 r4:ead87000 [ 1545.593828][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.594013][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.594170][ T29] r5:85d0938c r4:85d0938c [ 1545.594242][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.594365][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.594433][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.594548][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.594621][ T29] r4:8654c400 [ 1545.594686][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.594843][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.595000][ T29] r4:863fbcc0 [ 1545.595126][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.595315][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.595474][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.595629][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.595778][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.595932][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.596060][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.596201][ T29] INFO: task kworker/1:79:5623 blocked for more than 430 seconds. [ 1545.596366][ T29] Not tainted syzkaller #0 [ 1545.596525][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.596651][ T29] task:kworker/1:79 state:D stack:0 pid:5623 tgid:5623 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.596951][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.597230][ T29] Call trace: [ 1545.597482][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.597701][ T29] r10:e0281da4 r9:e0281dac r8:00000002 r7:60000113 r6:82ccfb50 r5:863e55c0 [ 1545.597835][ T29] r4:863e55c0 [ 1545.597959][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.598160][ T29] r5:863e55c0 r4:82ccfb4c [ 1545.598291][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.598483][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.598687][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0281e28 [ 1545.598823][ T29] r4:00000000 [ 1545.598965][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.599173][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.599364][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.599624][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8633fe80 [ 1545.599754][ T29] r4:00000000 [ 1545.599872][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.600068][ T29] r9:863e55c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f075000 [ 1545.600211][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.621875][ T29] r5:00001000 r4:eaa49000 [ 1545.622635][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.623616][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.624594][ T29] r5:85d06b8c r4:85d06b8c [ 1545.625183][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.631397][ T29] r7:ddde4e00 r6:8302ae00 r5:85d06b8c r4:8654cb80 [ 1545.632365][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.633098][ T29] r10:ddde4e00 r9:8654cbb0 r8:863e55c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.633702][ T29] r4:8654cb80 [ 1545.634082][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.634753][ T29] r10:00000000 r9:e01b9e88 r8:8654cb00 r7:8654cb80 r6:80276fb8 r5:863e55c0 [ 1545.635712][ T29] r4:8654a400 [ 1545.636304][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.637062][ T29] Exception stack(0xe0281fb0 to 0xe0281ff8) [ 1545.637884][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 1545.638608][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.639499][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.640152][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8654a400 [ 1545.641965][ T29] INFO: task kworker/1:79:5623 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.642806][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.644233][ T29] Workqueue: events bpf_prog_free_deferred executing program [ 1545.645050][ T29] Call trace: [ 1545.646057][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.647044][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.647886][ T29] r4:00000000 [ 1545.650840][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.651769][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.652479][ T29] 5d40: 95d83000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.653150][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.653658][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.654038][ T29] r5:80000013 r4:802387a8 [ 1545.654428][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.655005][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.655544][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.655982][ T29] r4:e0325de0 [ 1545.656272][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.657232][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.657859][ T29] r4:00000000 [ 1545.658166][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.658621][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.659462][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.660973][ T29] r5:00001000 r4:ead87000 [ 1545.661497][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.662020][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.671263][ T29] r5:85d0938c r4:85d0938c [ 1545.672311][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.673307][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.673975][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.674923][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.675752][ T29] r4:8654c400 [ 1545.676402][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.677713][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.678561][ T29] r4:863fbcc0 [ 1545.679096][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.679897][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.681362][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.682181][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.682997][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.683782][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.684574][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.685758][ T29] INFO: task kworker/1:81:5633 blocked for more than 430 seconds. [ 1545.686647][ T29] Not tainted syzkaller #0 [ 1545.687473][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.688370][ T29] task:kworker/1:81 state:D stack:0 pid:5633 tgid:5633 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.689562][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.747656][ T29] Call trace: [ 1545.749829][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.749997][ T29] r10:e0165da4 r9:e0165dac r8:00000002 r7:60000113 r6:82ccfb50 r5:863e3d40 [ 1545.750019][ T29] r4:863e3d40 [ 1545.750028][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.750076][ T29] r5:863e3d40 r4:82ccfb4c [ 1545.750085][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.750133][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.750293][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0165e28 [ 1545.750323][ T29] r4:00000000 [ 1545.750340][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.790261][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.790556][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.790666][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86315880 [ 1545.790688][ T29] r4:00000000 [ 1545.790702][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.790760][ T29] r9:863e3d40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f089000 [ 1545.790776][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.790832][ T29] r5:00001000 r4:eadc3000 [ 1545.790847][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.790889][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.790962][ T29] r5:862f878c r4:862f878c [ 1545.790978][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.791039][ T29] r7:ddde4e00 r6:8302ae00 r5:862f878c r4:8654ca00 [ 1545.791053][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.791137][ T29] r10:00000000 r9:8654ca30 r8:863e3d40 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.791156][ T29] r4:8654ca00 [ 1545.791197][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.791266][ T29] r10:00000000 r9:e02b5e88 r8:8654c980 r7:8654ca00 r6:80276fb8 r5:863e3d40 [ 1545.791286][ T29] r4:8654a080 [ 1545.791300][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.791345][ T29] Exception stack(0xe0165fb0 to 0xe0165ff8) [ 1545.791419][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.791454][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.791482][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.791521][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8654a080 [ 1545.792036][ T29] INFO: task kworker/1:81:5633 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.792090][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.792216][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.792274][ T29] Call trace: [ 1545.792301][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.792378][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.792398][ T29] r4:00000000 [ 1545.792411][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.792470][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.792613][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.799030][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.799069][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.799086][ T29] r5:80000013 r4:802387a8 [ 1545.799096][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.799206][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.799250][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.799316][ T29] r4:e0325de0 [ 1545.799325][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.799359][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.799368][ T29] r4:00000000 [ 1545.799433][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.799471][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.799479][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.799514][ T29] r5:00001000 r4:ead87000 [ 1545.799522][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.799552][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.799580][ T29] r5:85d0938c r4:85d0938c [ 1545.799588][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.799620][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.799628][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.799702][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.799967][ T29] r4:8654c400 [ 1545.799991][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.800031][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.800041][ T29] r4:863fbcc0 [ 1545.800048][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.800084][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.800117][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.800146][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.800161][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.800178][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.800203][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.800285][ T29] INFO: task kworker/1:83:5705 blocked for more than 430 seconds. [ 1545.800368][ T29] Not tainted syzkaller #0 [ 1545.800410][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.800447][ T29] task:kworker/1:83 state:D stack:0 pid:5705 tgid:5705 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.805413][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.805545][ T29] Call trace: [ 1545.805576][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.805681][ T29] r10:e0389da4 r9:e0389dac r8:00000002 r7:60000013 r6:82ccfb50 r5:863e1880 [ 1545.805705][ T29] r4:863e1880 [ 1545.805746][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.805818][ T29] r5:863e1880 r4:82ccfb4c [ 1545.805835][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.805893][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.805961][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0389e28 [ 1545.805982][ T29] r4:00000000 [ 1545.806013][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.806110][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.806168][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.806235][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8535d900 [ 1545.806257][ T29] r4:00000000 [ 1545.806276][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.806348][ T29] r9:863e1880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f087000 [ 1545.806411][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.806476][ T29] r5:00001000 r4:eada5000 [ 1545.806492][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.806550][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.806604][ T29] r5:862f838c r4:862f838c [ 1545.806619][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.806684][ T29] r7:ddde4e00 r6:8302ae00 r5:862f838c r4:8654c200 [ 1545.806700][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.806768][ T29] r10:00000000 r9:8654c230 r8:863e1880 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.806852][ T29] r4:8654c200 [ 1545.806872][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.806964][ T29] r10:00000000 r9:e02b5e88 r8:8654c100 r7:8654c200 r6:80276fb8 r5:863e1880 [ 1545.806986][ T29] r4:863fbb00 [ 1545.807001][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.807048][ T29] Exception stack(0xe0389fb0 to 0xe0389ff8) [ 1545.807441][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 1545.807483][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.807521][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.807581][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbb00 [ 1545.808084][ T29] INFO: task kworker/1:83:5705 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.808128][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.808201][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.808258][ T29] Call trace: [ 1545.808288][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.808368][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.808389][ T29] r4:00000000 [ 1545.808404][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.808464][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.808658][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.808702][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.808766][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.808795][ T29] r5:80000013 r4:802387a8 [ 1545.808811][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.809045][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.809119][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.809139][ T29] r4:e0325de0 [ 1545.809152][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.809209][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.809229][ T29] r4:00000000 [ 1545.809246][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.809310][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.809326][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.809509][ T29] r5:00001000 r4:ead87000 [ 1545.809529][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.809576][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.809626][ T29] r5:85d0938c r4:85d0938c [ 1545.809641][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.809700][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.809749][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.809816][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.809863][ T29] r4:8654c400 [ 1545.809879][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.809941][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.809959][ T29] r4:863fbcc0 [ 1545.809973][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.810014][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.810042][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.810072][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.810099][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.810131][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.810147][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.831896][ T29] INFO: task kworker/1:197:6429 blocked for more than 431 seconds. [ 1545.832018][ T29] Not tainted syzkaller #0 [ 1545.832033][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.832042][ T29] task:kworker/1:197 state:D stack:0 pid:6429 tgid:6429 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.832141][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.832186][ T29] Call trace: [ 1545.832304][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.832357][ T29] r10:ea999da4 r9:ea999dac r8:00000002 r7:60000113 r6:82ccfb50 r5:86503d40 [ 1545.832446][ T29] r4:86503d40 [ 1545.832456][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.832531][ T29] r5:86503d40 r4:82ccfb4c [ 1545.832542][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.832575][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.832645][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea999e28 [ 1545.832664][ T29] r4:00000000 [ 1545.832672][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.832716][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.832768][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.832832][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fcec0 [ 1545.832855][ T29] r4:00000000 [ 1545.832872][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.832939][ T29] r9:86503d40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f065000 [ 1545.832957][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.833013][ T29] r5:00001000 r4:dfb5b000 [ 1545.833030][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.833076][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.833141][ T29] r5:8651c78c r4:8651c78c [ 1545.833188][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.833268][ T29] r7:ddde4e00 r6:8302ae00 r5:8651c78c r4:860d2b00 [ 1545.833288][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.833371][ T29] r10:ddde4e00 r9:860d2b30 r8:86503d40 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.833393][ T29] r4:860d2b00 [ 1545.833407][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.833480][ T29] r10:00000000 r9:ea8c5e88 r8:860d2a80 r7:860d2b00 r6:80276fb8 r5:86503d40 [ 1545.833501][ T29] r4:8659ce80 [ 1545.833517][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.833562][ T29] Exception stack(0xea999fb0 to 0xea999ff8) [ 1545.833594][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 1545.833625][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.833655][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.833687][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8659ce80 [ 1545.834147][ T29] INFO: task kworker/1:197:6429 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.834188][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.834260][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.834307][ T29] Call trace: [ 1545.834382][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.834466][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.834487][ T29] r4:00000000 [ 1545.834506][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.834564][ T29] Exception stack(0xe0325d48 to 0xe0325d90) executing program [ 1545.834595][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.834631][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.834655][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.834702][ T29] r5:80000013 r4:802387a8 [ 1545.834722][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.834778][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.834837][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.834909][ T29] r4:e0325de0 [ 1545.834930][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.834999][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.835021][ T29] r4:00000000 [ 1545.835035][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.835098][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.835118][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.835175][ T29] r5:00001000 r4:ead87000 [ 1545.835191][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.835241][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.835303][ T29] r5:85d0938c r4:85d0938c [ 1545.835320][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.835416][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.835567][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.835654][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.835749][ T29] r4:8654c400 [ 1545.835769][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.835835][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.835893][ T29] r4:863fbcc0 [ 1545.835914][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.835961][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.836011][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.836122][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.836160][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.836193][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.836211][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.836253][ T29] INFO: task kworker/1:202:6451 blocked for more than 431 seconds. [ 1545.836284][ T29] Not tainted syzkaller #0 [ 1545.836302][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.836317][ T29] task:kworker/1:202 state:D stack:0 pid:6451 tgid:6451 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.836444][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.836851][ T29] Call trace: [ 1545.837037][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.837119][ T29] r10:ea9c1da4 r9:ea9c1dac r8:00000002 r7:60000113 r6:82ccfb50 r5:86161880 [ 1545.837171][ T29] r4:86161880 [ 1545.837193][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.837264][ T29] r5:86161880 r4:82ccfb4c [ 1545.837360][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.866100][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.866267][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9c1e28 [ 1545.866292][ T29] r4:00000000 [ 1545.866307][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.866360][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.866415][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.866480][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85fcfe80 [ 1545.866579][ T29] r4:00000000 [ 1545.866611][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.866685][ T29] r9:86161880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f071000 [ 1545.866702][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.866865][ T29] r5:00001000 r4:e025b000 [ 1545.867230][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.867313][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.867720][ T29] r5:8625af8c r4:8625af8c [ 1545.867749][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.867864][ T29] r7:ddde4e00 r6:8302ae00 r5:8625af8c r4:860d2780 [ 1545.867910][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.867985][ T29] r10:ddde4e00 r9:860d27b0 r8:86161880 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.868004][ T29] r4:860d2780 [ 1545.868082][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.868198][ T29] r10:00000000 r9:ea95de88 r8:860d2480 r7:860d2780 r6:80276fb8 r5:86161880 [ 1545.868224][ T29] r4:8627d1c0 [ 1545.868241][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.868408][ T29] Exception stack(0xea9c1fb0 to 0xea9c1ff8) [ 1545.868464][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 1545.868499][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.868531][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.868567][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8627d1c0 [ 1545.890464][ T29] INFO: task kworker/1:202:6451 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.896678][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.896825][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.896909][ T29] Call trace: [ 1545.896958][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.897057][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.897079][ T29] r4:00000000 [ 1545.897095][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.897169][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.897211][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.897245][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.897317][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.897360][ T29] r5:80000013 r4:802387a8 [ 1545.897380][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.897448][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.897611][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.913767][ T29] r4:e0325de0 [ 1545.913829][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.913942][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.913961][ T29] r4:00000000 [ 1545.913975][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.914037][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.914054][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.914111][ T29] r5:00001000 r4:ead87000 [ 1545.914127][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.914172][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.914220][ T29] r5:85d0938c r4:85d0938c [ 1545.914237][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) executing program [ 1545.914299][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.914314][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.914395][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.914413][ T29] r4:8654c400 [ 1545.914428][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.914492][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.914525][ T29] r4:863fbcc0 [ 1545.914539][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.914590][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.914624][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.914659][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.914689][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.914725][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.914747][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.915166][ T29] INFO: task kworker/0:254:6738 blocked for more than 431 seconds. [ 1545.915224][ T29] Not tainted syzkaller #0 [ 1545.915250][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.915266][ T29] task:kworker/0:254 state:D stack:0 pid:6738 tgid:6738 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.915352][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.915415][ T29] Call trace: [ 1545.915447][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.915530][ T29] r10:eab95da4 r9:eab95dac r8:00000002 r7:60000013 r6:82ccfb50 r5:861a0000 [ 1545.915550][ T29] r4:861a0000 [ 1545.915566][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.915648][ T29] r5:861a0000 r4:82ccfb4c [ 1545.915669][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.915726][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.915791][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab95e28 [ 1545.915810][ T29] r4:00000000 [ 1545.915846][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.915906][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.915955][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.916015][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86141980 [ 1545.916033][ T29] r4:00000000 [ 1545.916048][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.916130][ T29] r9:861a0000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f069000 [ 1545.916150][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.916208][ T29] r5:00001000 r4:dfd97000 [ 1545.916223][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.916271][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.916322][ T29] r5:85d0878c r4:85d0878c [ 1545.916369][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.916466][ T29] r7:dddd0e00 r6:8302b000 r5:85d0878c r4:865e4380 [ 1545.916488][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.916573][ T29] r10:dddd0e00 r9:865e43b0 r8:861a0000 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1545.916598][ T29] r4:865e4380 [ 1545.916625][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.916698][ T29] r10:00000000 r9:eab6de88 r8:865e2f00 r7:865e4380 r6:80276fb8 r5:861a0000 [ 1545.916742][ T29] r4:86569680 [ 1545.916793][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.916846][ T29] Exception stack(0xeab95fb0 to 0xeab95ff8) [ 1545.916874][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.916906][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.916934][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.916968][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:86569680 [ 1545.917307][ T29] INFO: task kworker/0:254:6738 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.917342][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.917416][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.917466][ T29] Call trace: [ 1545.917499][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.917542][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.917551][ T29] r4:00000000 [ 1545.917558][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.917618][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.917640][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.917657][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.917669][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.917705][ T29] r5:80000013 r4:802387a8 [ 1545.917714][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.917748][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.917797][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.917817][ T29] r4:e0325de0 [ 1545.917825][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.917857][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.917875][ T29] r4:00000000 [ 1545.917883][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.917916][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.917924][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.917972][ T29] r5:00001000 r4:ead87000 [ 1545.917981][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.918005][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.918031][ T29] r5:85d0938c r4:85d0938c [ 1545.918053][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.918087][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.918094][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.918128][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.918137][ T29] r4:8654c400 [ 1545.918144][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.918176][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.918185][ T29] r4:863fbcc0 [ 1545.918192][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.918213][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.918227][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.918254][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.918295][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.918338][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.918356][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.918504][ T29] INFO: task kworker/0:311:8361 blocked for more than 431 seconds. [ 1545.918530][ T29] Not tainted syzkaller #0 [ 1545.918541][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.918580][ T29] task:kworker/0:311 state:D stack:0 pid:8361 tgid:8361 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.918618][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.918641][ T29] Call trace: [ 1545.918688][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.918729][ T29] r10:ead0dda4 r9:ead0ddac r8:00000002 r7:60000113 r6:82ccfb50 r5:85db8000 [ 1545.918738][ T29] r4:85db8000 [ 1545.918755][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.918788][ T29] r5:85db8000 r4:82ccfb4c [ 1545.918794][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.918843][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.918878][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead0de28 [ 1545.918888][ T29] r4:00000000 [ 1545.918933][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.918965][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.919014][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.919050][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85372cc0 [ 1545.919059][ T29] r4:00000000 [ 1545.919066][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.919108][ T29] r9:85db8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f08b000 [ 1545.919126][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.919186][ T29] r5:00001000 r4:eade1000 [ 1545.919242][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.919270][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.919336][ T29] r5:85d04f8c r4:85d04f8c [ 1545.919363][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.919397][ T29] r7:dddd0e00 r6:8302b000 r5:85d04f8c r4:85d8ba80 [ 1545.919405][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.919438][ T29] r10:dddd0e00 r9:85d8bab0 r8:85db8000 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1545.919447][ T29] r4:85d8ba80 [ 1545.919453][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.919522][ T29] r10:00000000 r9:eace1e88 r8:85e4fd00 r7:85d8ba80 r6:80276fb8 r5:85db8000 [ 1545.919533][ T29] r4:8634fb80 [ 1545.919540][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.919586][ T29] Exception stack(0xead0dfb0 to 0xead0dff8) [ 1545.919609][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1545.919646][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.919676][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.919728][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8634fb80 [ 1545.920031][ T29] INFO: task kworker/0:311:8361 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.920058][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.920160][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.920257][ T29] Call trace: [ 1545.920282][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.920366][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.920454][ T29] r4:00000000 [ 1545.938795][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.938881][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.938960][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.938980][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.938993][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.939008][ T29] r5:80000013 r4:802387a8 [ 1545.939016][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.939054][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.939090][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.939100][ T29] r4:e0325de0 [ 1545.939107][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.939158][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.939184][ T29] r4:00000000 [ 1545.939194][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.939230][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.939262][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.939296][ T29] r5:00001000 r4:ead87000 [ 1545.939303][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.939341][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.939381][ T29] r5:85d0938c r4:85d0938c [ 1545.939399][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.939458][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.939468][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.939507][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.939518][ T29] r4:8654c400 [ 1545.939525][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.939615][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.939629][ T29] r4:863fbcc0 [ 1545.939637][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.939683][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.939701][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.939719][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.939735][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.939755][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.939767][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.939788][ T29] INFO: task kworker/0:313:8367 blocked for more than 431 seconds. [ 1545.939813][ T29] Not tainted syzkaller #0 [ 1545.939826][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.939834][ T29] task:kworker/0:313 state:D stack:0 pid:8367 tgid:8367 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.939909][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.939936][ T29] Call trace: [ 1545.939951][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.939994][ T29] r10:ead5dda4 r9:ead5ddac r8:00000002 r7:60000113 r6:82ccfb50 r5:85dba4c0 [ 1545.940026][ T29] r4:85dba4c0 [ 1545.940058][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.940123][ T29] r5:85dba4c0 r4:82ccfb4c [ 1545.940151][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.940219][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.940269][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead5de28 [ 1545.940281][ T29] r4:00000000 [ 1545.940288][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.940314][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.940348][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.940427][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85fcf780 [ 1545.940465][ T29] r4:00000000 [ 1545.940593][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.954573][ T29] r9:85dba4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06f000 [ 1545.954644][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.954815][ T29] r5:00001000 r4:dfc73000 [ 1545.954910][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.954972][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.955029][ T29] r5:862f8b8c r4:862f8b8c [ 1545.955044][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.955114][ T29] r7:dddd0e00 r6:8302b000 r5:862f8b8c r4:865f7f80 [ 1545.955221][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.955333][ T29] r10:dddd0e00 r9:865f7fb0 r8:85dba4c0 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1545.955453][ T29] r4:865f7f80 [ 1545.955473][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.955546][ T29] r10:00000000 r9:ead0de88 r8:865f8a80 r7:865f7f80 r6:80276fb8 r5:85dba4c0 [ 1545.955566][ T29] r4:85c77480 [ 1545.955591][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.955644][ T29] Exception stack(0xead5dfb0 to 0xead5dff8) [ 1545.955745][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1545.955799][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.955832][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.955873][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:85c77480 [ 1545.956395][ T29] INFO: task kworker/0:313:8367 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.956442][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.956532][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.956600][ T29] Call trace: [ 1545.956628][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.956713][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.956735][ T29] r4:00000000 [ 1545.956767][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.956844][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.956883][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.956919][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.956947][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.956985][ T29] r5:80000013 r4:802387a8 [ 1545.957005][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.957070][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.957188][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.957214][ T29] r4:e0325de0 [ 1545.957231][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.957333][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.957390][ T29] r4:00000000 [ 1545.957407][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.957476][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.957494][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.957550][ T29] r5:00001000 r4:ead87000 [ 1545.957590][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.957643][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.957716][ T29] r5:85d0938c r4:85d0938c [ 1545.957780][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.957913][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 executing program [ 1545.957935][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.958008][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.958027][ T29] r4:8654c400 [ 1545.958041][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.958151][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.958174][ T29] r4:863fbcc0 [ 1545.958191][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.958242][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.958272][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.958307][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.958461][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.958504][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.958524][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.958578][ T29] INFO: task kworker/0:314:8376 blocked for more than 431 seconds. [ 1545.958635][ T29] Not tainted syzkaller #0 [ 1545.958658][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.958821][ T29] task:kworker/0:314 state:D stack:0 pid:8376 tgid:8376 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.958882][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.958957][ T29] Call trace: [ 1545.958984][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.959063][ T29] r10:ead85da4 r9:ead85dac r8:00000002 r7:60000013 r6:82ccfb50 r5:84688c40 [ 1545.959083][ T29] r4:84688c40 [ 1545.959099][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.959332][ T29] r5:84688c40 r4:82ccfb4c [ 1545.959356][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.959629][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.959705][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead85e28 [ 1545.960382][ T29] r4:00000000 [ 1545.960704][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.976685][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.976914][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.976990][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85364e00 [ 1545.977015][ T29] r4:00000000 [ 1545.977125][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.977209][ T29] r9:84688c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f067000 [ 1545.977230][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.977351][ T29] r5:00001000 r4:dfb35000 [ 1545.977385][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.977442][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.977497][ T29] r5:862fa38c r4:862fa38c [ 1545.977515][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.977578][ T29] r7:dddd0e00 r6:8302b000 r5:862fa38c r4:85c85680 [ 1545.977624][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.977728][ T29] r10:00000000 r9:85c856b0 r8:84688c40 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1545.977756][ T29] r4:85c85680 [ 1545.977773][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.977847][ T29] r10:00000000 r9:ead5de88 r8:865f8400 r7:85c85680 r6:80276fb8 r5:84688c40 [ 1545.977874][ T29] r4:8535da40 [ 1545.977892][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.977984][ T29] Exception stack(0xead85fb0 to 0xead85ff8) [ 1545.978040][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.978077][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.978105][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.978139][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8535da40 [ 1545.978625][ T29] INFO: task kworker/0:314:8376 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.978699][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.978762][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.978834][ T29] Call trace: [ 1545.978862][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.978970][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.979002][ T29] r4:00000000 [ 1545.979046][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.979098][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.979144][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.979180][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.979210][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.979232][ T29] r5:80000013 r4:802387a8 [ 1545.979247][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.979286][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.979318][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.979368][ T29] r4:e0325de0 [ 1545.979379][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.979412][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.979423][ T29] r4:00000000 [ 1545.979430][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.979480][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.979498][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.979559][ T29] r5:00001000 r4:ead87000 [ 1545.979571][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.979631][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.979714][ T29] r5:85d0938c r4:85d0938c [ 1545.979725][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.979761][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.979804][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.979852][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.979863][ T29] r4:8654c400 [ 1545.979870][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.979905][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.979917][ T29] r4:863fbcc0 [ 1545.979925][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.979981][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.980017][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.980052][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.980091][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.980142][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1545.980180][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1545.980201][ T29] INFO: task kworker/0:315:8379 blocked for more than 431 seconds. [ 1545.980228][ T29] Not tainted syzkaller #0 [ 1545.980240][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1545.980247][ T29] task:kworker/0:315 state:D stack:0 pid:8379 tgid:8379 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.980300][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.980326][ T29] Call trace: [ 1545.980347][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1545.980512][ T29] r10:ead35da4 r9:ead35dac r8:00000002 r7:60000013 r6:82ccfb50 r5:85db9880 [ 1545.987429][ T29] r4:85db9880 [ 1545.987498][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1545.987612][ T29] r5:85db9880 r4:82ccfb4c [ 1545.987623][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1545.987678][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1545.987721][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead35e28 [ 1545.987738][ T29] r4:00000000 [ 1545.987823][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1545.987861][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1545.987914][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.987989][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1880 [ 1545.988013][ T29] r4:00000000 [ 1545.988025][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.988064][ T29] r9:85db9880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06b000 [ 1545.988075][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.988108][ T29] r5:00001000 r4:ea513000 [ 1545.988115][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.988141][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.988260][ T29] r5:86493f8c r4:86493f8c [ 1545.988275][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.988354][ T29] r7:dddd0e00 r6:8302b000 r5:86493f8c r4:865f8800 [ 1545.988376][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.988446][ T29] r10:dddd0e00 r9:865f8830 r8:85db9880 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1545.988458][ T29] r4:865f8800 [ 1545.988466][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.988514][ T29] r10:00000000 r9:ead5de88 r8:865f8900 r7:865f8800 r6:80276fb8 r5:85db9880 [ 1545.988538][ T29] r4:86147880 [ 1545.988556][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.988593][ T29] Exception stack(0xead35fb0 to 0xead35ff8) [ 1545.988613][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.988663][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.988681][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1545.988789][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:86147880 [ 1545.989357][ T29] INFO: task kworker/0:315:8379 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1545.989403][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1545.989494][ T29] Workqueue: events bpf_prog_free_deferred [ 1545.989572][ T29] Call trace: [ 1545.989609][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1545.989693][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1545.989712][ T29] r4:00000000 [ 1545.989721][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1545.989751][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1545.989767][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1545.989785][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1545.989802][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1545.989816][ T29] r5:80000013 r4:802387a8 [ 1545.989860][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1545.989895][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1545.989929][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1545.989938][ T29] r4:e0325de0 [ 1545.989944][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1545.990001][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1545.990013][ T29] r4:00000000 [ 1545.990031][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1545.990072][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1545.990106][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1545.990161][ T29] r5:00001000 r4:ead87000 [ 1545.990178][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1545.990225][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1545.990665][ T29] r5:85d0938c r4:85d0938c [ 1545.999401][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1545.999579][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1545.999620][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1545.999703][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1545.999721][ T29] r4:8654c400 [ 1545.999728][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1545.999764][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1545.999773][ T29] r4:863fbcc0 [ 1545.999780][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1545.999845][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1545.999867][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1545.999885][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1545.999968][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.000083][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1546.000114][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1546.000142][ T29] INFO: task kworker/0:316:8382 blocked for more than 431 seconds. [ 1546.000168][ T29] Not tainted syzkaller #0 [ 1546.000181][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1546.000189][ T29] task:kworker/0:316 state:D stack:0 pid:8382 tgid:8382 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.000232][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.000259][ T29] Call trace: [ 1546.000426][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1546.006500][ T29] r10:eacf1da4 r9:eacf1dac r8:00000002 r7:60000013 r6:82ccfb50 r5:85dbc980 [ 1546.006557][ T29] r4:85dbc980 executing program [ 1546.006573][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1546.006680][ T29] r5:85dbc980 r4:82ccfb4c [ 1546.006695][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1546.006748][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1546.006814][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacf1e28 [ 1546.006859][ T29] r4:00000000 [ 1546.006879][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1546.006943][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1546.006995][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.007058][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ff3180 [ 1546.007078][ T29] r4:00000000 [ 1546.007091][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.007202][ T29] r9:85dbc980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f073000 [ 1546.007226][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.007288][ T29] r5:00001000 r4:ea93d000 [ 1546.007323][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.007378][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.007433][ T29] r5:8629f78c r4:8629f78c [ 1546.007707][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.007787][ T29] r7:dddd0e00 r6:8302b000 r5:8629f78c r4:865f8600 [ 1546.008017][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.008108][ T29] r10:00000000 r9:865f8630 r8:85dbc980 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1546.008129][ T29] r4:865f8600 [ 1546.008144][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.008217][ T29] r10:00000000 r9:ead35e88 r8:865f8d00 r7:865f8600 r6:80276fb8 r5:85dbc980 [ 1546.008238][ T29] r4:8535da40 [ 1546.008254][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.008319][ T29] Exception stack(0xeacf1fb0 to 0xeacf1ff8) [ 1546.008364][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 1546.008394][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.008419][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.008449][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8535da40 [ 1546.008914][ T29] INFO: task kworker/0:316:8382 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1546.008963][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.029881][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.029974][ T29] Call trace: [ 1546.029996][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1546.030111][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1546.030128][ T29] r4:00000000 [ 1546.030136][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1546.030170][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1546.030227][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1546.030249][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1546.030263][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1546.030277][ T29] r5:80000013 r4:802387a8 [ 1546.030381][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1546.030827][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1546.030962][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1546.030975][ T29] r4:e0325de0 [ 1546.030983][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.031019][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1546.031029][ T29] r4:00000000 [ 1546.031037][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.031075][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1546.031083][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.031145][ T29] r5:00001000 r4:ead87000 [ 1546.031153][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.031180][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.031211][ T29] r5:85d0938c r4:85d0938c [ 1546.031219][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.031257][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1546.031265][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.031303][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1546.031313][ T29] r4:8654c400 [ 1546.031320][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.031363][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1546.031373][ T29] r4:863fbcc0 [ 1546.031384][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.031410][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1546.031429][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.031447][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.031463][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.031485][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1546.031498][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1546.031647][ T29] INFO: task kworker/0:317:8387 blocked for more than 431 seconds. [ 1546.031677][ T29] Not tainted syzkaller #0 [ 1546.031690][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1546.031738][ T29] task:kworker/0:317 state:D stack:0 pid:8387 tgid:8387 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.031877][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.032160][ T29] Call trace: [ 1546.032269][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1546.032327][ T29] r10:eadedda4 r9:eadeddac r8:00000002 r7:60000013 r6:82ccfb50 r5:85dbb100 [ 1546.032357][ T29] r4:85dbb100 [ 1546.032367][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1546.032416][ T29] r5:85dbb100 r4:82ccfb4c [ 1546.032426][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1546.032580][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1546.032647][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadede28 [ 1546.032659][ T29] r4:00000000 [ 1546.032667][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1546.032692][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1546.032717][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.032749][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1ec0 [ 1546.032760][ T29] r4:00000000 [ 1546.032767][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.032801][ T29] r9:85dbb100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07b000 [ 1546.032809][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.032837][ T29] r5:00001000 r4:eabdb000 [ 1546.032844][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.032868][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.032990][ T29] r5:86364f8c r4:86364f8c [ 1546.033013][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.033055][ T29] r7:dddd0e00 r6:8302b000 r5:86364f8c r4:865f8480 [ 1546.033063][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.033100][ T29] r10:00000000 r9:865f84b0 r8:85dbb100 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1546.033110][ T29] r4:865f8480 [ 1546.033116][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.033152][ T29] r10:00000000 r9:ead35e88 r8:865f8a00 r7:865f8480 r6:80276fb8 r5:85dbb100 [ 1546.033162][ T29] r4:86569300 [ 1546.033170][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.033313][ T29] Exception stack(0xeadedfb0 to 0xeadedff8) [ 1546.033356][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1546.033385][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.033404][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.033441][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:86569300 [ 1546.033906][ T29] INFO: task kworker/0:317:8387 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1546.033945][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.034074][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.034126][ T29] Call trace: [ 1546.034356][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1546.034456][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1546.034471][ T29] r4:00000000 [ 1546.034479][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1546.034508][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1546.034526][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1546.034542][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1546.034555][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1546.034567][ T29] r5:80000013 r4:802387a8 [ 1546.034574][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1546.034609][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1546.034661][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1546.034689][ T29] r4:e0325de0 [ 1546.034697][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.034739][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1546.034758][ T29] r4:00000000 [ 1546.034825][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.034864][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1546.036079][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.036146][ T29] r5:00001000 r4:ead87000 [ 1546.036155][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.036179][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.036296][ T29] r5:85d0938c r4:85d0938c [ 1546.036309][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.036349][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1546.036357][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.036391][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1546.036401][ T29] r4:8654c400 [ 1546.036408][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.036443][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1546.036452][ T29] r4:863fbcc0 [ 1546.036497][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.036548][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1546.036564][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.036582][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.036621][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.036720][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1546.036732][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1546.036747][ T29] INFO: task kworker/0:318:8392 blocked for more than 431 seconds. [ 1546.036766][ T29] Not tainted syzkaller #0 [ 1546.036777][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1546.036840][ T29] task:kworker/0:318 state:D stack:0 pid:8392 tgid:8392 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.037071][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.037581][ T29] Call trace: [ 1546.037843][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1546.037908][ T29] r10:eadf9da4 r9:eadf9dac r8:00000002 r7:60000113 r6:82ccfb50 r5:85dbd5c0 [ 1546.037960][ T29] r4:85dbd5c0 [ 1546.038206][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1546.038296][ T29] r5:85dbd5c0 r4:82ccfb4c [ 1546.038312][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1546.038558][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1546.038636][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadf9e28 [ 1546.038663][ T29] r4:00000000 [ 1546.038677][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1546.038976][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1546.039028][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.039062][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c96d80 [ 1546.039089][ T29] r4:00000000 [ 1546.039098][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.039132][ T29] r9:85dbd5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f071000 [ 1546.039141][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.039884][ T29] r5:00001000 r4:dfc91000 [ 1546.039900][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.039931][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.039981][ T29] r5:85d06f8c r4:85d06f8c [ 1546.039999][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.040041][ T29] r7:dddd0e00 r6:8302b000 r5:85d06f8c r4:865f8880 [ 1546.040134][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.040348][ T29] r10:dddd0e00 r9:865f88b0 r8:85dbd5c0 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1546.040552][ T29] r4:865f8880 [ 1546.091241][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.091418][ T29] r10:00000000 r9:ead35e88 r8:86146300 r7:865f8880 r6:80276fb8 r5:85dbd5c0 [ 1546.091437][ T29] r4:85fcffc0 [ 1546.091450][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.091495][ T29] Exception stack(0xeadf9fb0 to 0xeadf9ff8) [ 1546.091527][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 1546.091566][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.091593][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.091627][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:85fcffc0 [ 1546.092101][ T29] INFO: task kworker/0:318:8392 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1546.092141][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.092247][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.092298][ T29] Call trace: [ 1546.092767][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1546.092895][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1546.092914][ T29] r4:00000000 [ 1546.092927][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1546.092979][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1546.093013][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1546.093045][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1546.093070][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1546.093092][ T29] r5:80000013 r4:802387a8 [ 1546.093105][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1546.093162][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1546.093236][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1546.093269][ T29] r4:e0325de0 [ 1546.093284][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) executing program [ 1546.093351][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1546.093393][ T29] r4:00000000 [ 1546.093408][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.093472][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1546.093487][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.093545][ T29] r5:00001000 r4:ead87000 [ 1546.093559][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.093600][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.093648][ T29] r5:85d0938c r4:85d0938c [ 1546.093660][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.093718][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1546.093732][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.093791][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1546.093807][ T29] r4:8654c400 [ 1546.093820][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.093880][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1546.093897][ T29] r4:863fbcc0 [ 1546.093924][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.093981][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1546.094008][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.094037][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.094063][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.094095][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1546.094114][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1546.094157][ T29] INFO: task kworker/0:319:8397 blocked for more than 431 seconds. [ 1546.094195][ T29] Not tainted syzkaller #0 [ 1546.094216][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1546.094231][ T29] task:kworker/0:319 state:D stack:0 pid:8397 tgid:8397 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.094290][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.094332][ T29] Call trace: [ 1546.094389][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1546.094459][ T29] r10:eade5da4 r9:eade5dac r8:00000002 r7:60000013 r6:82ccfb50 r5:85dbbd40 [ 1546.094479][ T29] r4:85dbbd40 [ 1546.094494][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1546.094563][ T29] r5:85dbbd40 r4:82ccfb4c [ 1546.094578][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1546.094722][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1546.094792][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eade5e28 [ 1546.094882][ T29] r4:00000000 [ 1546.094925][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1546.094974][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1546.095019][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.095075][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1800 [ 1546.095093][ T29] r4:00000000 [ 1546.095108][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.095169][ T29] r9:85dbbd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06d000 [ 1546.095186][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.095236][ T29] r5:00001000 r4:ea71b000 [ 1546.095250][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.095364][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.095422][ T29] r5:857c138c r4:857c138c [ 1546.095435][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.095487][ T29] r7:dddd0e00 r6:8302b000 r5:857c138c r4:865f8780 [ 1546.095500][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.095565][ T29] r10:00000000 r9:865f87b0 r8:85dbbd40 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1546.095582][ T29] r4:865f8780 [ 1546.095594][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.095648][ T29] r10:00000000 r9:eadf9e88 r8:86050f00 r7:865f8780 r6:80276fb8 r5:85dbbd40 [ 1546.095663][ T29] r4:86142400 [ 1546.095674][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.095711][ T29] Exception stack(0xeade5fb0 to 0xeade5ff8) [ 1546.095736][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.095764][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.095789][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.095819][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:86142400 [ 1546.096286][ T29] INFO: task kworker/0:319:8397 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1546.096332][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.096413][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.096485][ T29] Call trace: [ 1546.096508][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1546.096585][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1546.096601][ T29] r4:00000000 [ 1546.096614][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1546.096661][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1546.096690][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1546.096720][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1546.096743][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1546.096779][ T29] r5:80000013 r4:802387a8 [ 1546.096794][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1546.096846][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1546.096902][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1546.096918][ T29] r4:e0325de0 [ 1546.096930][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.096984][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1546.097000][ T29] r4:00000000 [ 1546.097013][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.097069][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1546.097084][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.097169][ T29] r5:00001000 r4:ead87000 [ 1546.097192][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.097234][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.097299][ T29] r5:85d0938c r4:85d0938c [ 1546.097314][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.097372][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1546.097385][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.097449][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1546.097469][ T29] r4:8654c400 [ 1546.097484][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.097554][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1546.097571][ T29] r4:863fbcc0 [ 1546.097585][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.097632][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1546.097659][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.097686][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.097711][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.097740][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1546.097754][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1546.097776][ T29] INFO: task kworker/0:321:8429 blocked for more than 431 seconds. [ 1546.097802][ T29] Not tainted syzkaller #0 [ 1546.097820][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1546.097833][ T29] task:kworker/0:321 state:D stack:0 pid:8429 tgid:8429 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.097876][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.097909][ T29] Call trace: [ 1546.097929][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1546.097991][ T29] r10:eacbdda4 r9:eacbddac r8:00000002 r7:60000013 r6:82ccfb50 r5:840824c0 [ 1546.098008][ T29] r4:840824c0 [ 1546.098020][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1546.098073][ T29] r5:840824c0 r4:82ccfb4c [ 1546.098085][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1546.098130][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1546.098187][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacbde28 [ 1546.098203][ T29] r4:00000000 [ 1546.098232][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1546.098274][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1546.098362][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.098417][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1680 [ 1546.098463][ T29] r4:00000000 [ 1546.098498][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.098561][ T29] r9:840824c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f075000 [ 1546.098576][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.098625][ T29] r5:00001000 r4:eaa21000 [ 1546.098642][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.098722][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.098780][ T29] r5:8647ef8c r4:8647ef8c [ 1546.098796][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.098856][ T29] r7:dddd0e00 r6:8302b000 r5:8647ef8c r4:86050e00 [ 1546.098931][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.099009][ T29] r10:00000000 r9:86050e30 r8:840824c0 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1546.099132][ T29] r4:86050e00 [ 1546.099284][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.099370][ T29] r10:00000000 r9:eacb9e88 r8:865f8380 r7:86050e00 r6:80276fb8 r5:840824c0 [ 1546.099391][ T29] r4:85d8aa80 [ 1546.099406][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.099454][ T29] Exception stack(0xeacbdfb0 to 0xeacbdff8) [ 1546.099539][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1546.099574][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.099599][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.099742][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:85d8aa80 [ 1546.099995][ T29] INFO: task kworker/0:321:8429 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1546.100023][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.100097][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.100135][ T29] Call trace: [ 1546.100156][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1546.100223][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1546.100272][ T29] r4:00000000 [ 1546.100289][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1546.100336][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1546.100365][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1546.100486][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1546.125856][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1546.125948][ T29] r5:80000013 r4:802387a8 [ 1546.126498][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1546.126682][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1546.126750][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1546.126823][ T29] r4:e0325de0 [ 1546.126842][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.127153][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1546.127173][ T29] r4:00000000 [ 1546.127187][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.127250][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1546.127279][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.127337][ T29] r5:00001000 r4:ead87000 [ 1546.127351][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.127393][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.127444][ T29] r5:85d0938c r4:85d0938c [ 1546.127456][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.127517][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1546.127536][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.127598][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1546.127614][ T29] r4:8654c400 [ 1546.127625][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.127683][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1546.127699][ T29] r4:863fbcc0 [ 1546.127711][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.127751][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1546.127780][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.127809][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.127834][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.127865][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1546.127886][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1546.127918][ T29] INFO: task kworker/0:322:8432 blocked for more than 431 seconds. [ 1546.127956][ T29] Not tainted syzkaller #0 [ 1546.127977][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1546.127990][ T29] task:kworker/0:322 state:D stack:0 pid:8432 tgid:8432 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.128061][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.128102][ T29] Call trace: [ 1546.128125][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1546.128197][ T29] r10:eadfdda4 r9:eadfddac r8:00000002 r7:60000113 r6:82ccfb50 r5:85f6e200 [ 1546.128213][ T29] r4:85f6e200 [ 1546.128225][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1546.128279][ T29] r5:85f6e200 r4:82ccfb4c [ 1546.128293][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1546.128342][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1546.128400][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadfde28 [ 1546.128416][ T29] r4:00000000 [ 1546.128427][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1546.128466][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1546.128504][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.128563][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1400 [ 1546.128578][ T29] r4:00000000 [ 1546.128589][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.128641][ T29] r9:85f6e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f079000 [ 1546.128655][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.128700][ T29] r5:00001000 r4:eac4f000 [ 1546.128711][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.128749][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.128794][ T29] r5:8647e78c r4:8647e78c [ 1546.128806][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.128858][ T29] r7:dddd0e00 r6:8302b000 r5:8647e78c r4:865f7700 [ 1546.128871][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.128927][ T29] r10:00000000 r9:865f7730 r8:85f6e200 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1546.128942][ T29] r4:865f7700 [ 1546.128953][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.129008][ T29] r10:00000000 r9:eacb9e88 r8:85fe3300 r7:865f7700 r6:80276fb8 r5:85f6e200 [ 1546.129023][ T29] r4:866e1740 [ 1546.129035][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.129071][ T29] Exception stack(0xeadfdfb0 to 0xeadfdff8) [ 1546.129095][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1546.129123][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.129147][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.129176][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:866e1740 [ 1546.129658][ T29] INFO: task kworker/0:322:8432 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1546.129689][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.129745][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.129783][ T29] Call trace: [ 1546.129801][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1546.129866][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1546.129882][ T29] r4:00000000 [ 1546.129893][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1546.129937][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1546.129964][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1546.129992][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1546.130014][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1546.130033][ T29] r5:80000013 r4:802387a8 [ 1546.130044][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1546.130092][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1546.130145][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1546.130160][ T29] r4:e0325de0 [ 1546.130172][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.130224][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1546.130238][ T29] r4:00000000 [ 1546.130249][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.130303][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1546.130317][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.130360][ T29] r5:00001000 r4:ead87000 [ 1546.130372][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.130473][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.157749][ T29] r5:85d0938c r4:85d0938c [ 1546.157815][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.157931][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1546.157948][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.158022][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1546.158042][ T29] r4:8654c400 [ 1546.158057][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.158192][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1546.158216][ T29] r4:863fbcc0 [ 1546.158233][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.158283][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1546.158319][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.158370][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.158405][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.158462][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1546.158488][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1546.171567][ T29] INFO: task kworker/0:323:8435 blocked for more than 431 seconds. [ 1546.171675][ T29] Not tainted syzkaller #0 [ 1546.171700][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1546.171715][ T29] task:kworker/0:323 state:D stack:0 pid:8435 tgid:8435 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.171799][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.171883][ T29] Call trace: [ 1546.171910][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1546.172002][ T29] r10:eacf5da4 r9:eacf5dac r8:00000002 r7:60000013 r6:82ccfb50 r5:85f60000 [ 1546.172074][ T29] r4:85f60000 [ 1546.172095][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1546.172182][ T29] r5:85f60000 r4:82ccfb4c [ 1546.172231][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1546.172295][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1546.172363][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacf5e28 [ 1546.172386][ T29] r4:00000000 [ 1546.172439][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1546.172495][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1546.172552][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.172618][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e11c0 [ 1546.172659][ T29] r4:00000000 [ 1546.172709][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.172788][ T29] r9:85f60000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07d000 [ 1546.172806][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.172862][ T29] r5:00001000 r4:ead01000 [ 1546.172878][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.172928][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.172984][ T29] r5:8647e38c r4:8647e38c [ 1546.173223][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.173299][ T29] r7:dddd0e00 r6:8302b000 r5:8647e38c r4:85374080 [ 1546.173345][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.173423][ T29] r10:00000000 r9:853740b0 r8:85f60000 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1546.173467][ T29] r4:85374080 [ 1546.173516][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.173603][ T29] r10:00000000 r9:eacb9e88 r8:85ff9e80 r7:85374080 r6:80276fb8 r5:85f60000 [ 1546.173683][ T29] r4:866e1500 [ 1546.173703][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.173920][ T29] Exception stack(0xeacf5fb0 to 0xeacf5ff8) [ 1546.173958][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.173993][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.174024][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.174217][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:866e1500 [ 1546.174729][ T29] INFO: task kworker/0:323:8435 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1546.174771][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.174918][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.174975][ T29] Call trace: [ 1546.175068][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1546.175157][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1546.175210][ T29] r4:00000000 [ 1546.175230][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1546.175291][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1546.175328][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1546.175365][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1546.175393][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1546.175418][ T29] r5:80000013 r4:802387a8 [ 1546.175433][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1546.175512][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1546.198488][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1546.198579][ T29] r4:e0325de0 [ 1546.198599][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.198728][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1546.198754][ T29] r4:00000000 [ 1546.198769][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.198839][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1546.198856][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.198939][ T29] r5:00001000 r4:ead87000 [ 1546.198966][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.199021][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.199079][ T29] r5:85d0938c r4:85d0938c [ 1546.199112][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.199196][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1546.199213][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.199286][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1546.199327][ T29] r4:8654c400 [ 1546.199357][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.199430][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1546.199480][ T29] r4:863fbcc0 [ 1546.199499][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.199627][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1546.199704][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.199744][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.199777][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.199958][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1546.200026][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1546.200061][ T29] INFO: task kworker/0:324:8438 blocked for more than 431 seconds. [ 1546.200103][ T29] Not tainted syzkaller #0 [ 1546.200188][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1546.200207][ T29] task:kworker/0:324 state:D stack:0 pid:8438 tgid:8438 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.200354][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.206966][ T29] Call trace: [ 1546.207030][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1546.207103][ T29] r10:ead05da4 r9:ead05dac r8:00000002 r7:60000113 r6:82ccfb50 r5:85f7ee40 [ 1546.207115][ T29] r4:85f7ee40 [ 1546.207123][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1546.207155][ T29] r5:85f7ee40 r4:82ccfb4c [ 1546.207196][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1546.207228][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1546.207261][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead05e28 [ 1546.207310][ T29] r4:00000000 [ 1546.207320][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1546.207345][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1546.207371][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.207404][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866e1000 [ 1546.207535][ T29] r4:00000000 [ 1546.207551][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.207587][ T29] r9:85f7ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07f000 [ 1546.207614][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.207647][ T29] r5:00001000 r4:ead39000 [ 1546.207655][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.207678][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.207786][ T29] r5:8647df8c r4:8647df8c [ 1546.207796][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.207830][ T29] r7:dddd0e00 r6:8302b000 r5:8647df8c r4:865f8c00 [ 1546.207838][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.207871][ T29] r10:00000000 r9:865f8c30 r8:85f7ee40 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1546.207887][ T29] r4:865f8c00 [ 1546.207903][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.208314][ T29] r10:00000000 r9:eacb9e88 r8:85d73100 r7:865f8c00 r6:80276fb8 r5:85f7ee40 [ 1546.208355][ T29] r4:866e12c0 [ 1546.208365][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.208405][ T29] Exception stack(0xead05fb0 to 0xead05ff8) [ 1546.208423][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.208439][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.208454][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.208471][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:866e12c0 [ 1546.208763][ T29] INFO: task kworker/0:324:8438 is blocked on a mutex likely owned by task kworker/1:82:5702. [ 1546.208787][ T29] task:kworker/1:82 state:R running task stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1546.209176][ T29] Workqueue: events bpf_prog_free_deferred [ 1546.209307][ T29] Call trace: [ 1546.209323][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1546.209367][ T29] r10:82a0b880 r9:8576d5c0 r8:80200c04 r7:e0325d7c r6:ffffffff r5:8576d5c0 [ 1546.209377][ T29] r4:00000000 [ 1546.209384][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1546.209411][ T29] Exception stack(0xe0325d48 to 0xe0325d90) [ 1546.209428][ T29] 5d40: 98350000 edaa9000 00000000 80238790 82cceee0 82ccfb24 [ 1546.209444][ T29] 5d60: 7f211000 edaa9000 00000000 00000001 82a0b880 e0325dbc edaa9000 e0325d98 [ 1546.209654][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1546.209670][ T29] r5:80000013 r4:802387a8 [ 1546.209678][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1546.209711][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1546.209744][ T29] r10:00000000 r9:e0325de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0325e28 [ 1546.209884][ T29] r4:e0325de0 [ 1546.209893][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1546.209946][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86592000 [ 1546.209971][ T29] r4:00000000 [ 1546.209980][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1546.210013][ T29] r9:8576d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [ 1546.210021][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1546.210048][ T29] r5:00001000 r4:ead87000 [ 1546.210055][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1546.210079][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1546.210106][ T29] r5:85d0938c r4:85d0938c [ 1546.210157][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1546.210193][ T29] r7:ddde4e00 r6:8302ae00 r5:85d0938c r4:8654c400 [ 1546.210201][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1546.210235][ T29] r10:00000000 r9:8654c430 r8:8576d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1546.210245][ T29] r4:8654c400 [ 1546.210252][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.210290][ T29] r10:00000000 r9:e02b5e88 r8:8654c280 r7:8654c400 r6:80276fb8 r5:8576d5c0 [ 1546.210304][ T29] r4:863fbcc0 [ 1546.210311][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.210337][ T29] Exception stack(0xe0325fb0 to 0xe0325ff8) [ 1546.210356][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.210592][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.217161][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.217261][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863fbcc0 [ 1546.217306][ T29] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1546.219675][ T29] NMI backtrace for cpu 0 [ 1546.219974][ T29] CPU: 0 UID: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 1546.220095][ T29] Hardware name: ARM-Versatile Express [ 1546.220175][ T29] Call trace: [ 1546.220216][ T29] [<80201a14>] (dump_backtrace) from [<80201b08>] (show_stack+0x18/0x1c) [ 1546.220295][ T29] r7:600b0093 r6:600b0093 r5:8231b914 r4:00000000 [ 1546.220316][ T29] [<80201af0>] (show_stack) from [<8021e320>] (dump_stack_lvl+0x5c/0x70) [ 1546.220382][ T29] [<8021e2c4>] (dump_stack_lvl) from [<8021e34c>] (dump_stack+0x18/0x1c) [ 1546.220629][ T29] r7:00000000 r6:000b0013 r5:00000000 r4:00000001 [ 1546.220883][ T29] [<8021e334>] (dump_stack) from [<81aee3d4>] (nmi_cpu_backtrace+0x150/0x170) [ 1546.220926][ T29] [<81aee284>] (nmi_cpu_backtrace) from [<81aee524>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8) [ 1546.220964][ T29] r7:00000000 r6:82a0b550 r5:82a19f34 r4:ffffffff [ 1546.220972][ T29] [<81aee3f4>] (nmi_trigger_cpumask_backtrace) from [<8022f104>] (arch_trigger_cpumask_backtrace+0x18/0x1c) [ 1546.221025][ T29] r9:82a0b6d8 r8:0000001d r7:00000048 r6:82cc2de4 r5:00007799 r4:00000048 [ 1546.221034][ T29] [<8022f0ec>] (arch_trigger_cpumask_backtrace) from [<81af6070>] (sys_info+0x68/0xa8) [ 1546.221062][ T29] [<81af6008>] (sys_info) from [<80385d58>] (watchdog+0x3a0/0x84c) [ 1546.221091][ T29] r5:00007799 r4:0000000a [ 1546.221098][ T29] [<803859b8>] (watchdog) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.221136][ T29] r10:00000000 r9:df819e58 r8:83352680 r7:00000000 r6:803859b8 r5:833a0c40 [ 1546.221145][ T29] r4:831f7480 [ 1546.221153][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.221182][ T29] Exception stack(0xdf8d5fb0 to 0xdf8d5ff8) [ 1546.221217][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.221243][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.221258][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.221276][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:831f7480 [ 1546.222019][ T29] Sending NMI from CPU 0 to CPUs 1: [ 1546.222560][ C1] NMI backtrace for cpu 1 [ 1546.222732][ C1] CPU: 1 UID: 0 PID: 15 Comm: rcu_preempt Not tainted syzkaller #0 PREEMPT [ 1546.222766][ C1] Hardware name: ARM-Versatile Express [ 1546.222795][ C1] PC is at finish_task_switch+0xc0/0x390 [ 1546.222844][ C1] LR is at _raw_spin_unlock+0x2c/0x50 [ 1546.222919][ C1] pc : [<8028eaa0>] lr : [<81b0f2a8>] psr: 20000013 [ 1546.222965][ C1] sp : df855dd0 ip : df855dc0 fp : df855e24 [ 1546.222986][ C1] r10: 00000000 r9 : 83181880 r8 : 00000000 [ 1546.223010][ C1] r7 : 85035a40 r6 : 828d3480 r5 : 82a0b82c r4 : ddde5480 [ 1546.223032][ C1] r3 : 83181880 r2 : 00000001 r1 : 8231b914 r0 : 00000001 [ 1546.223127][ C1] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 1546.223167][ C1] Control: 30c5387d Table: 86118e40 DAC: 00000000 [ 1546.223202][ C1] Call trace: [ 1546.223227][ C1] [<8028e9e0>] (finish_task_switch) from [<81b04fc0>] (__schedule+0x4c4/0x1464) [ 1546.223279][ C1] r10:00000001 r9:8318203c r8:00000000 r7:85035a40 r6:83181880 r5:ddde5480 [ 1546.223290][ C1] r4:8408ee40 [ 1546.223297][ C1] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1546.223335][ C1] r10:82aeea18 r9:00000001 r8:83181880 r7:82a03d80 r6:83181880 r5:82a03d80 [ 1546.223344][ C1] r4:83181880 [ 1546.223360][ C1] [<81b05f60>] (schedule) from [<81b0e1ac>] (schedule_timeout+0x8c/0x114) [ 1546.223390][ C1] r5:82a03d80 r4:0001e6c5 [ 1546.223397][ C1] [<81b0e120>] (schedule_timeout) from [<8030276c>] (rcu_gp_fqs_loop+0x10c/0x498) [ 1546.223433][ C1] r6:00000001 r5:82aee840 r4:00000000 [ 1546.223440][ C1] [<80302660>] (rcu_gp_fqs_loop) from [<80308874>] (rcu_gp_kthread+0xb8/0x13c) [ 1546.223477][ C1] r10:82313ab4 r9:df855f64 r8:82a03d80 r7:82aee840 r6:83181880 r5:82aeea1a [ 1546.223487][ C1] r4:82aeea18 [ 1546.223495][ C1] [<803087bc>] (rcu_gp_kthread) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.223521][ C1] r7:00000000 [ 1546.223529][ C1] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.223553][ C1] Exception stack(0xdf855fb0 to 0xdf855ff8) [ 1546.223572][ C1] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.223590][ C1] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.223605][ C1] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.223624][ C1] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:830fb400 [ 1546.239034][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 1546.625135][ T29] CPU: 0 UID: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 1546.630881][ T29] Hardware name: ARM-Versatile Express [ 1546.631453][ T29] Call trace: [ 1546.631757][ T29] [<80201a14>] (dump_backtrace) from [<80201b08>] (show_stack+0x18/0x1c) [ 1546.632122][ T29] r7:82a1e6fc r6:00000000 r5:8231b914 r4:00000001 [ 1546.632326][ T29] [<80201af0>] (show_stack) from [<8021e320>] (dump_stack_lvl+0x5c/0x70) [ 1546.632729][ T29] [<8021e2c4>] (dump_stack_lvl) from [<8021e34c>] (dump_stack+0x18/0x1c) [ 1546.633070][ T29] r7:82a1e6fc r6:00000000 r5:833a0c40 r4:82c7bd3c [ 1546.633385][ T29] [<8021e334>] (dump_stack) from [<8020260c>] (vpanic+0x114/0x320) [ 1546.633661][ T29] [<802024f8>] (vpanic) from [<8020284c>] (trace_suspend_resume+0x0/0x104) [ 1546.634023][ T29] r7:00000048 [ 1546.634159][ T29] [<80202818>] (panic) from [<80385d70>] (watchdog+0x3b8/0x84c) [ 1546.634534][ T29] r3:00000001 r2:00000000 r1:00000000 r0:8231c610 [ 1546.634775][ T29] [<803859b8>] (watchdog) from [<8028117c>] (kthread+0x11c/0x154) [ 1546.635090][ T29] r10:00000000 r9:df819e58 r8:83352680 r7:00000000 r6:803859b8 r5:833a0c40 [ 1546.635650][ T29] r4:831f7480 [ 1546.635849][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1546.636315][ T29] Exception stack(0xdf8d5fb0 to 0xdf8d5ff8) [ 1546.636557][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1546.637044][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1546.637385][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1546.637699][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:831f7480 [ 1546.641927][ T29] Rebooting in 86400 seconds..