[ 1257.296918][ T54] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1257.312210][ T54] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1257.320573][ T54] bond0 (unregistering): Released all slaves [ 1257.463758][ T54] hsr_slave_0: left promiscuous mode [ 1257.655832][ T54] hsr_slave_1: left promiscuous mode [ 1257.672395][ T54] veth1_macvtap: left promiscuous mode [ 1257.672813][ T54] veth0_macvtap: left promiscuous mode [ 1257.673306][ T54] veth1_vlan: left promiscuous mode [ 1257.673581][ T54] veth0_vlan: left promiscuous mode [ 1262.986469][ T2957] 8021q: adding VLAN 0 to HW filter on device eth1 [ 1264.909519][ T8646] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1265.002298][ T8646] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1267.511560][ T2957] 8021q: adding VLAN 0 to HW filter on device eth2 Warning: Permanently added '[localhost]:52757' (ED25519) to the list of known hosts. [ 1268.517768][ T8646] hsr_slave_0: entered promiscuous mode [ 1268.527897][ T8646] hsr_slave_1: entered promiscuous mode executing program [ 1270.142133][ T8646] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 1270.155025][ T8646] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 1270.157997][ T8646] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 1270.177558][ T8646] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 1270.189307][ T8646] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 1270.204330][ T8646] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 1270.213990][ T8646] netdevsim netdevsim2 netdevsim3: renamed from eth3 executing program [ 1270.229321][ T8646] 8021q: adding VLAN 0 to HW filter on device netdevsim3 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1273.390719][ T8646] 8021q: adding VLAN 0 to HW filter on device bond0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1286.850861][ T8646] veth0_vlan: entered promiscuous mode executing program executing program [ 1286.918160][ T8646] veth1_vlan: entered promiscuous mode executing program executing program executing program executing program [ 1287.115088][ T8646] veth0_macvtap: entered promiscuous mode executing program [ 1287.191845][ T8646] veth1_macvtap: entered promiscuous mode executing program executing program [ 1287.318673][ T6990] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1287.336273][ T6990] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1287.336629][ T6990] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1287.336767][ T6990] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1289.573656][ T6990] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 1289.674612][ T6990] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program executing program [ 1289.764838][ T6990] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 1289.891061][ T6990] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1291.532606][ T6990] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface executing program [ 1291.564265][ T6990] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1291.572013][ T6990] bond0 (unregistering): Released all slaves executing program executing program [ 1291.816147][ T6990] hsr_slave_0: left promiscuous mode [ 1291.823579][ T6990] hsr_slave_1: left promiscuous mode executing program [ 1291.859906][ T6990] veth1_macvtap: left promiscuous mode [ 1291.879308][ T6990] veth0_macvtap: left promiscuous mode [ 1291.879840][ T6990] veth1_vlan: left promiscuous mode [ 1291.880017][ T6990] veth0_vlan: left promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1298.436476][ T2957] 8021q: adding VLAN 0 to HW filter on device eth1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1303.848925][ T2957] 8021q: adding VLAN 0 to HW filter on device eth2 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1307.957345][ T2957] 8021q: adding VLAN 0 to HW filter on device eth3 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1312.892564][ T2957] 8021q: adding VLAN 0 to HW filter on device eth4 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1363.137228][ T29] INFO: task kworker/0:5:4090 blocked for more than 430 seconds. [ 1363.137792][ T29] Not tainted syzkaller #0 [ 1363.137919][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1363.138036][ T29] task:kworker/0:5 state:D stack:0 pid:4090 tgid:4090 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.138311][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.138972][ T29] Call trace: [ 1363.139548][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1363.140118][ T29] r10:ea435da4 r9:ea435dac r8:00000002 r7:60000113 r6:82ccfb50 r5:851ac980 [ 1363.140225][ T29] r4:851ac980 [ 1363.140285][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1363.140339][ T29] r5:851ac980 r4:82ccfb4c [ 1363.140347][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1363.140377][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1363.140414][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea435e28 [ 1363.140425][ T29] r4:00000000 [ 1363.140432][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1363.140456][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1363.140483][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.140516][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e93a80 [ 1363.140525][ T29] r4:00000000 [ 1363.140532][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.140566][ T29] r9:851ac980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f031000 [ 1363.140607][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.140670][ T29] r5:00001000 r4:dfc0b000 [ 1363.140679][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.140705][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.140734][ T29] r5:86882b8c r4:86882b8c [ 1363.140741][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.140857][ T29] r7:dddd0e00 r6:8302b000 r5:86882b8c r4:86325480 [ 1363.140877][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.140951][ T29] r10:00000000 r9:863254b0 r8:851ac980 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1363.140968][ T29] r4:86325480 [ 1363.140985][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.141054][ T29] r10:00000000 r9:df905e88 r8:8609a600 r7:86325480 r6:80276fb8 r5:851ac980 [ 1363.141078][ T29] r4:86322f00 [ 1363.141092][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.141225][ T29] Exception stack(0xea435fb0 to 0xea435ff8) [ 1363.141382][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.141432][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.141448][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.141546][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:86322f00 [ 1363.142230][ T29] INFO: task kworker/0:5:4090 is blocked on a mutex likely owned by task kworker/1:225:6778. [ 1363.142284][ T29] task:kworker/1:225 state:R running task stack:0 pid:6778 tgid:6778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.142418][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.142451][ T29] Call trace: [ 1363.142464][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1363.142533][ T29] r10:82a0b880 r9:8659d5c0 r8:80200c04 r7:ea985d7c r6:ffffffff r5:8659d5c0 [ 1363.142586][ T29] r4:00000000 [ 1363.142596][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1363.142625][ T29] Exception stack(0xea985d48 to 0xea985d90) [ 1363.142642][ T29] 5d40: e2aca000 ec4f1000 00000000 80238790 82cceee0 82ccfb24 [ 1363.142658][ T29] 5d60: 7f02b000 ec4f1000 00000000 00000001 82a0b880 ea985dbc ec4f1000 ea985d98 [ 1363.142671][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1363.142682][ T29] r5:80000013 r4:802387a8 [ 1363.142689][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1363.142721][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1363.142765][ T29] r10:00000000 r9:ea985de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea985e28 [ 1363.142776][ T29] r4:ea985de0 [ 1363.142783][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.142816][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86313240 [ 1363.142825][ T29] r4:00000000 [ 1363.142831][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.142895][ T29] r9:8659d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [ 1363.142906][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.142943][ T29] r5:00001000 r4:e01d1000 [ 1363.142950][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.142973][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.142999][ T29] r5:86428f8c r4:86428f8c [ 1363.143006][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.143037][ T29] r7:ddde4e00 r6:8302ae00 r5:86428f8c r4:8681bc00 [ 1363.143070][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.143108][ T29] r10:ddde4e00 r9:8681bc30 r8:8659d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1363.143118][ T29] r4:8681bc00 [ 1363.143124][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.143156][ T29] r10:00000000 r9:ea97de88 r8:862f1300 r7:8681bc00 r6:80276fb8 r5:8659d5c0 [ 1363.143169][ T29] r4:862f2300 [ 1363.143176][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.143198][ T29] Exception stack(0xea985fb0 to 0xea985ff8) [ 1363.143212][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.143255][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.143272][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.143289][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:862f2300 [ 1363.143394][ T29] INFO: task kworker/0:23:5471 blocked for more than 430 seconds. [ 1363.143424][ T29] Not tainted syzkaller #0 [ 1363.143435][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1363.143443][ T29] task:kworker/0:23 state:D stack:0 pid:5471 tgid:5471 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.143513][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.143560][ T29] Call trace: [ 1363.143613][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1363.143694][ T29] r10:dfb8dda4 r9:dfb8ddac r8:00000002 r7:60000113 r6:82ccfb50 r5:846abd40 [ 1363.143717][ T29] r4:846abd40 [ 1363.143733][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1363.143791][ T29] r5:846abd40 r4:82ccfb4c [ 1363.143798][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1363.143829][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1363.143863][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb8de28 [ 1363.143872][ T29] r4:00000000 [ 1363.143879][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1363.143902][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1363.143947][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.144011][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e446c0 [ 1363.144024][ T29] r4:00000000 [ 1363.144031][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.144113][ T29] r9:846abd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02f000 [ 1363.144127][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.144183][ T29] r5:00001000 r4:dfa8f000 [ 1363.144194][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.144219][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.144281][ T29] r5:8673178c r4:8673178c [ 1363.144290][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.144322][ T29] r7:dddd0e00 r6:8302b000 r5:8673178c r4:85e7ac00 [ 1363.144329][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.144362][ T29] r10:dddd0e00 r9:85e7ac30 r8:846abd40 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1363.144371][ T29] r4:85e7ac00 [ 1363.144377][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.144408][ T29] r10:00000000 r9:dfbade88 r8:863ed500 r7:85e7ac00 r6:80276fb8 r5:846abd40 [ 1363.144416][ T29] r4:86362900 [ 1363.144424][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.144446][ T29] Exception stack(0xdfb8dfb0 to 0xdfb8dff8) [ 1363.144460][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1363.144476][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.144490][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.144507][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:86362900 [ 1363.145095][ T29] INFO: task kworker/0:23:5471 is blocked on a mutex likely owned by task kworker/1:225:6778. [ 1363.145146][ T29] task:kworker/1:225 state:R running task stack:0 pid:6778 tgid:6778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.145236][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.156409][ T29] Call trace: [ 1363.156470][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1363.156605][ T29] r10:82a0b880 r9:8659d5c0 r8:80200c04 r7:ea985d7c r6:ffffffff r5:8659d5c0 [ 1363.156631][ T29] r4:00000000 [ 1363.156699][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1363.156798][ T29] Exception stack(0xea985d48 to 0xea985d90) [ 1363.156874][ T29] 5d40: e2bce000 ec4f1000 00000000 80238790 82cceee0 82ccfb24 [ 1363.156969][ T29] 5d60: 7f02b000 ec4f1000 00000000 00000001 82a0b880 ea985dbc ec4f1000 ea985d98 [ 1363.157007][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1363.157054][ T29] r5:80000013 r4:802387a8 [ 1363.157093][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1363.157179][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1363.157251][ T29] r10:00000000 r9:ea985de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea985e28 [ 1363.157271][ T29] r4:ea985de0 [ 1363.157288][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.157352][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86313240 [ 1363.157370][ T29] r4:00000000 [ 1363.157403][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.157588][ T29] r9:8659d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [ 1363.157622][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.157686][ T29] r5:00001000 r4:e01d1000 [ 1363.157702][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.157751][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.157805][ T29] r5:86428f8c r4:86428f8c [ 1363.157826][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.157925][ T29] r7:ddde4e00 r6:8302ae00 r5:86428f8c r4:8681bc00 [ 1363.157950][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.158019][ T29] r10:ddde4e00 r9:8681bc30 r8:8659d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1363.158040][ T29] r4:8681bc00 [ 1363.158055][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.158121][ T29] r10:00000000 r9:ea97de88 r8:862f1300 r7:8681bc00 r6:80276fb8 r5:8659d5c0 [ 1363.158150][ T29] r4:862f2300 [ 1363.158166][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.158211][ T29] Exception stack(0xea985fb0 to 0xea985ff8) [ 1363.158240][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.158272][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.158302][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.158338][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:862f2300 [ 1363.158379][ T29] INFO: task kworker/0:24:5474 blocked for more than 430 seconds. [ 1363.158425][ T29] Not tainted syzkaller #0 [ 1363.158448][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1363.158463][ T29] task:kworker/0:24 state:D stack:0 pid:5474 tgid:5474 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.158555][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.158609][ T29] Call trace: [ 1363.158685][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1363.158780][ T29] r10:dfc8dda4 r9:dfc8ddac r8:00000002 r7:60000013 r6:82ccfb50 r5:83993d40 [ 1363.158805][ T29] r4:83993d40 [ 1363.158836][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1363.158898][ T29] r5:83993d40 r4:82ccfb4c [ 1363.158937][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1363.159013][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1363.159093][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc8de28 [ 1363.159111][ T29] r4:00000000 [ 1363.159134][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1363.159184][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1363.159253][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.159335][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8671ea00 [ 1363.159357][ T29] r4:00000000 [ 1363.159370][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.159432][ T29] r9:83993d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f035000 [ 1363.159448][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.159500][ T29] r5:00001000 r4:dfc83000 [ 1363.159514][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.159569][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.159625][ T29] r5:8688738c r4:8688738c [ 1363.159639][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.159718][ T29] r7:dddd0e00 r6:8302b000 r5:8688738c r4:8631c080 [ 1363.159745][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.159811][ T29] r10:00000000 r9:8631c0b0 r8:83993d40 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1363.159855][ T29] r4:8631c080 [ 1363.159872][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.159944][ T29] r10:00000000 r9:dfb8de88 r8:86327680 r7:8631c080 r6:80276fb8 r5:83993d40 [ 1363.159964][ T29] r4:8638d400 [ 1363.159979][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.160025][ T29] Exception stack(0xdfc8dfb0 to 0xdfc8dff8) [ 1363.160070][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1363.160112][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.160183][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.160222][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8638d400 [ 1363.173374][ T29] INFO: task kworker/0:24:5474 is blocked on a mutex likely owned by task kworker/1:225:6778. [ 1363.173546][ T29] task:kworker/1:225 state:R running task stack:0 pid:6778 tgid:6778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.173727][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.173847][ T29] Call trace: [ 1363.173877][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1363.173997][ T29] r10:82a0b880 r9:8659d5c0 r8:80200c04 r7:ea985d7c r6:ffffffff r5:8659d5c0 [ 1363.174131][ T29] r4:00000000 [ 1363.174171][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1363.174229][ T29] Exception stack(0xea985d48 to 0xea985d90) [ 1363.174263][ T29] 5d40: e2e79000 ec4f1000 00000000 80238790 82cceee0 82ccfb24 [ 1363.174294][ T29] 5d60: 7f02b000 ec4f1000 00000000 00000001 82a0b880 ea985dbc ec4f1000 ea985d98 [ 1363.174319][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1363.174344][ T29] r5:80000013 r4:802387a8 [ 1363.174360][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1363.174652][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1363.174765][ T29] r10:00000000 r9:ea985de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea985e28 [ 1363.174788][ T29] r4:ea985de0 [ 1363.174804][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.174865][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86313240 [ 1363.174891][ T29] r4:00000000 [ 1363.174908][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.174975][ T29] r9:8659d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [ 1363.174993][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.175128][ T29] r5:00001000 r4:e01d1000 [ 1363.175153][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.175203][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.175339][ T29] r5:86428f8c r4:86428f8c [ 1363.177024][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.177175][ T29] r7:ddde4e00 r6:8302ae00 r5:86428f8c r4:8681bc00 [ 1363.177195][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.177334][ T29] r10:ddde4e00 r9:8681bc30 r8:8659d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1363.177361][ T29] r4:8681bc00 [ 1363.177401][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.177515][ T29] r10:00000000 r9:ea97de88 r8:862f1300 r7:8681bc00 r6:80276fb8 r5:8659d5c0 [ 1363.177574][ T29] r4:862f2300 [ 1363.177593][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.177647][ T29] Exception stack(0xea985fb0 to 0xea985ff8) [ 1363.177680][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.177714][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.177741][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.177777][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:862f2300 [ 1363.177818][ T29] INFO: task kworker/0:26:5480 blocked for more than 430 seconds. [ 1363.177862][ T29] Not tainted syzkaller #0 [ 1363.177888][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1363.177905][ T29] task:kworker/0:26 state:D stack:0 pid:5480 tgid:5480 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.177998][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.178048][ T29] Call trace: [ 1363.178074][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1363.178162][ T29] r10:dfbf9da4 r9:dfbf9dac r8:00000002 r7:60000013 r6:82ccfb50 r5:851aee40 [ 1363.178221][ T29] r4:851aee40 [ 1363.178241][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1363.178303][ T29] r5:851aee40 r4:82ccfb4c [ 1363.178321][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1363.178418][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1363.178530][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbf9e28 [ 1363.178552][ T29] r4:00000000 [ 1363.178567][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1363.178706][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1363.178762][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.178822][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e93fc0 [ 1363.178896][ T29] r4:00000000 [ 1363.178919][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.178986][ T29] r9:851aee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f029000 [ 1363.179003][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.179054][ T29] r5:00001000 r4:dfaaf000 [ 1363.179069][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.179138][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.179200][ T29] r5:8633478c r4:8633478c [ 1363.179229][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.179325][ T29] r7:dddd0e00 r6:8302b000 r5:8633478c r4:8639ba00 [ 1363.179371][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.179443][ T29] r10:dddd0e00 r9:8639ba30 r8:851aee40 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1363.179463][ T29] r4:8639ba00 [ 1363.179476][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.179553][ T29] r10:00000000 r9:dfc91e88 r8:84c9b000 r7:8639ba00 r6:80276fb8 r5:851aee40 [ 1363.179587][ T29] r4:8618d240 [ 1363.179601][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.179646][ T29] Exception stack(0xdfbf9fb0 to 0xdfbf9ff8) [ 1363.179675][ T29] 9fa0: 00000000 00000000 00000000 00000000 [ 1363.179706][ T29] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.179736][ T29] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.179770][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8618d240 [ 1363.181257][ T29] INFO: task kworker/0:26:5480 is blocked on a mutex likely owned by task kworker/1:225:6778. [ 1363.181337][ T29] task:kworker/1:225 state:R running task stack:0 pid:6778 tgid:6778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.181424][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.181548][ T29] Call trace: [ 1363.181579][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1363.181667][ T29] r10:82a0b880 r9:8659d5c0 r8:80200c04 r7:ea985d7c r6:ffffffff r5:8659d5c0 [ 1363.181709][ T29] r4:00000000 [ 1363.181730][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1363.181790][ T29] Exception stack(0xea985d48 to 0xea985d90) [ 1363.181844][ T29] 5d40: e2e79000 ec4f1000 00000000 80238790 82cceee0 82ccfb24 [ 1363.181886][ T29] 5d60: 7f02b000 ec4f1000 00000000 00000001 82a0b880 ea985dbc ec4f1000 ea985d98 [ 1363.181935][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1363.181973][ T29] r5:80000013 r4:802387a8 [ 1363.181990][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1363.182055][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1363.182137][ T29] r10:00000000 r9:ea985de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea985e28 [ 1363.182164][ T29] r4:ea985de0 [ 1363.182196][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.182260][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86313240 [ 1363.182280][ T29] r4:00000000 [ 1363.182311][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.182381][ T29] r9:8659d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [ 1363.182397][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.182451][ T29] r5:00001000 r4:e01d1000 [ 1363.182469][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.182521][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.182580][ T29] r5:86428f8c r4:86428f8c [ 1363.182597][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.182665][ T29] r7:ddde4e00 r6:8302ae00 r5:86428f8c r4:8681bc00 [ 1363.182684][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.182755][ T29] r10:ddde4e00 r9:8681bc30 r8:8659d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1363.182777][ T29] r4:8681bc00 [ 1363.182793][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.182863][ T29] r10:00000000 r9:ea97de88 r8:862f1300 r7:8681bc00 r6:80276fb8 r5:8659d5c0 [ 1363.182889][ T29] r4:862f2300 [ 1363.182932][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.182986][ T29] Exception stack(0xea985fb0 to 0xea985ff8) [ 1363.183017][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.183050][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.183081][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.183118][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:862f2300 [ 1363.183162][ T29] INFO: task kworker/0:27:5481 blocked for more than 430 seconds. [ 1363.183225][ T29] Not tainted syzkaller #0 [ 1363.183280][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1363.183318][ T29] task:kworker/0:27 state:D stack:0 pid:5481 tgid:5481 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.183407][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.183456][ T29] Call trace: [ 1363.183532][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1363.183606][ T29] r10:dfcb5da4 r9:dfcb5dac r8:00000002 r7:60000013 r6:82ccfb50 r5:851ca4c0 [ 1363.183625][ T29] r4:851ca4c0 [ 1363.183664][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1363.183730][ T29] r5:851ca4c0 r4:82ccfb4c [ 1363.183745][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1363.183799][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1363.183857][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcb5e28 [ 1363.183877][ T29] r4:00000000 [ 1363.183897][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1363.183938][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1363.183979][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.184044][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e03740 [ 1363.184066][ T29] r4:00000000 [ 1363.184103][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.184196][ T29] r9:851ca4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00b000 [ 1363.184220][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.184278][ T29] r5:00001000 r4:df843000 [ 1363.184293][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.184339][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.184391][ T29] r5:8688238c r4:8688238c [ 1363.184406][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.184464][ T29] r7:dddd0e00 r6:8302b000 r5:8688238c r4:85e16200 [ 1363.184514][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.184618][ T29] r10:00000000 r9:85e16230 r8:851ca4c0 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1363.184643][ T29] r4:85e16200 [ 1363.184708][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.184816][ T29] r10:00000000 r9:dfc91e88 r8:84c9c080 r7:85e16200 r6:80276fb8 r5:851ca4c0 [ 1363.184845][ T29] r4:8618d340 [ 1363.184858][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.184954][ T29] Exception stack(0xdfcb5fb0 to 0xdfcb5ff8) [ 1363.185001][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.185034][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.185062][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.185094][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8618d340 [ 1363.197725][ T29] INFO: task kworker/0:27:5481 is blocked on a mutex likely owned by task kworker/1:225:6778. [ 1363.197855][ T29] task:kworker/1:225 state:R running task stack:0 pid:6778 tgid:6778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.197993][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.198078][ T29] Call trace: [ 1363.198138][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1363.198250][ T29] r10:82a0b880 r9:8659d5c0 r8:80200c04 r7:ea985d7c r6:ffffffff r5:8659d5c0 [ 1363.198277][ T29] r4:00000000 [ 1363.198294][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1363.198370][ T29] Exception stack(0xea985d48 to 0xea985d90) [ 1363.198406][ T29] 5d40: e3145000 ec4f1000 00000000 80238790 82cceee0 82ccfb24 [ 1363.198440][ T29] 5d60: 7f02b000 ec4f1000 00000000 00000001 82a0b880 ea985dbc ec4f1000 ea985d98 [ 1363.198464][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1363.198488][ T29] r5:80000013 r4:802387a8 [ 1363.198505][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1363.198566][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1363.198629][ T29] r10:00000000 r9:ea985de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea985e28 [ 1363.198649][ T29] r4:ea985de0 [ 1363.198664][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.198726][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86313240 [ 1363.198763][ T29] r4:00000000 [ 1363.198782][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.198850][ T29] r9:8659d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [ 1363.198889][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.198961][ T29] r5:00001000 r4:e01d1000 [ 1363.198986][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.199056][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.199149][ T29] r5:86428f8c r4:86428f8c [ 1363.199171][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.199274][ T29] r7:ddde4e00 r6:8302ae00 r5:86428f8c r4:8681bc00 [ 1363.199293][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.199362][ T29] r10:ddde4e00 r9:8681bc30 r8:8659d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1363.199381][ T29] r4:8681bc00 [ 1363.199397][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.199461][ T29] r10:00000000 r9:ea97de88 r8:862f1300 r7:8681bc00 r6:80276fb8 r5:8659d5c0 [ 1363.199480][ T29] r4:862f2300 [ 1363.199513][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.199574][ T29] Exception stack(0xea985fb0 to 0xea985ff8) [ 1363.199604][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.199639][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.199669][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.199703][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:862f2300 [ 1363.199738][ T29] INFO: task kworker/0:29:5489 blocked for more than 430 seconds. [ 1363.199781][ T29] Not tainted syzkaller #0 [ 1363.199820][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1363.199837][ T29] task:kworker/0:29 state:D stack:0 pid:5489 tgid:5489 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.199897][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.199962][ T29] Call trace: [ 1363.200017][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1363.200104][ T29] r10:dfae1da4 r9:dfae1dac r8:00000002 r7:60000013 r6:82ccfb50 r5:839824c0 [ 1363.200132][ T29] r4:839824c0 [ 1363.200149][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1363.200210][ T29] r5:839824c0 r4:82ccfb4c [ 1363.200226][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) executing program [ 1363.200277][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1363.200353][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfae1e28 [ 1363.200389][ T29] r4:00000000 [ 1363.200407][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1363.200455][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1363.200534][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.200614][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8639f980 [ 1363.200635][ T29] r4:00000000 [ 1363.200689][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.200757][ T29] r9:839824c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02b000 [ 1363.200789][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.200845][ T29] r5:00001000 r4:dfb19000 [ 1363.200863][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.200930][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.201006][ T29] r5:86881b8c r4:86881b8c [ 1363.201024][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.201083][ T29] r7:dddd0e00 r6:8302b000 r5:86881b8c r4:8606c000 [ 1363.201100][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.201171][ T29] r10:00000000 r9:8606c030 r8:839824c0 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1363.201209][ T29] r4:8606c000 [ 1363.201226][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.201290][ T29] r10:00000000 r9:dfcdde88 r8:85eb2d80 r7:8606c000 r6:80276fb8 r5:839824c0 [ 1363.201335][ T29] r4:863ecf00 [ 1363.201352][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.201400][ T29] Exception stack(0xdfae1fb0 to 0xdfae1ff8) [ 1363.201428][ T29] 1fa0: 00000000 00000000 00000000 00000000 [ 1363.201503][ T29] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.201541][ T29] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.201576][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:863ecf00 [ 1363.202217][ T29] INFO: task kworker/0:29:5489 is blocked on a mutex likely owned by task kworker/1:225:6778. [ 1363.202260][ T29] task:kworker/1:225 state:R running task stack:0 pid:6778 tgid:6778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.202328][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.202397][ T29] Call trace: [ 1363.202458][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1363.202545][ T29] r10:82a0b880 r9:8659d5c0 r8:80200c04 r7:ea985d7c r6:ffffffff r5:8659d5c0 [ 1363.202584][ T29] r4:00000000 [ 1363.202599][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1363.202678][ T29] Exception stack(0xea985d48 to 0xea985d90) [ 1363.202715][ T29] 5d40: e3145000 ec4f1000 00000000 80238790 82cceee0 82ccfb24 [ 1363.202749][ T29] 5d60: 7f02b000 ec4f1000 00000000 00000001 82a0b880 ea985dbc ec4f1000 ea985d98 [ 1363.202775][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1363.202798][ T29] r5:80000013 r4:802387a8 [ 1363.202827][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1363.202898][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1363.202965][ T29] r10:00000000 r9:ea985de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea985e28 [ 1363.202986][ T29] r4:ea985de0 [ 1363.203003][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.203070][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86313240 [ 1363.203091][ T29] r4:00000000 [ 1363.203114][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.203198][ T29] r9:8659d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [ 1363.203216][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.203274][ T29] r5:00001000 r4:e01d1000 [ 1363.203292][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.203357][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.203428][ T29] r5:86428f8c r4:86428f8c [ 1363.203450][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.203511][ T29] r7:ddde4e00 r6:8302ae00 r5:86428f8c r4:8681bc00 [ 1363.203526][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.203611][ T29] r10:ddde4e00 r9:8681bc30 r8:8659d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1363.203644][ T29] r4:8681bc00 [ 1363.203660][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.203726][ T29] r10:00000000 r9:ea97de88 r8:862f1300 r7:8681bc00 r6:80276fb8 r5:8659d5c0 [ 1363.203762][ T29] r4:862f2300 [ 1363.203794][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.203841][ T29] Exception stack(0xea985fb0 to 0xea985ff8) [ 1363.203867][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.203898][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.203933][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.203970][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:862f2300 [ 1363.204321][ T29] INFO: task kworker/0:205:6391 blocked for more than 430 seconds. [ 1363.204372][ T29] Not tainted syzkaller #0 [ 1363.204416][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1363.204437][ T29] task:kworker/0:205 state:D stack:0 pid:6391 tgid:6391 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.204526][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.204576][ T29] Call trace: [ 1363.204605][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1363.204674][ T29] r10:ea6ddda4 r9:ea6dddac r8:00000002 r7:60000113 r6:82ccfb50 r5:864c55c0 [ 1363.204694][ T29] r4:864c55c0 [ 1363.204710][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1363.204784][ T29] r5:864c55c0 r4:82ccfb4c [ 1363.204811][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1363.204930][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1363.205047][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6dde28 [ 1363.205071][ T29] r4:00000000 [ 1363.205086][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1363.205155][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1363.205204][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.205272][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860ae9c0 [ 1363.205351][ T29] r4:00000000 [ 1363.228427][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.228618][ T29] r9:864c55c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f033000 [ 1363.228638][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.228697][ T29] r5:00001000 r4:dfd6d000 [ 1363.228711][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.228763][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.228817][ T29] r5:8688338c r4:8688338c [ 1363.228832][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.228898][ T29] r7:dddd0e00 r6:8302b000 r5:8688338c r4:86711100 [ 1363.228913][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.228996][ T29] r10:00000000 r9:86711130 r8:864c55c0 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1363.229016][ T29] r4:86711100 [ 1363.229030][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.229095][ T29] r10:00000000 r9:ea715e88 r8:86711680 r7:86711100 r6:80276fb8 r5:864c55c0 [ 1363.229139][ T29] r4:8618da80 [ 1363.229161][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.229212][ T29] Exception stack(0xea6ddfb0 to 0xea6ddff8) [ 1363.229248][ T29] dfa0: 00000000 00000000 00000000 00000000 [ 1363.229280][ T29] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.229330][ T29] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.229366][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8618da80 [ 1363.237740][ T29] INFO: task kworker/0:205:6391 is blocked on a mutex likely owned by task kworker/1:225:6778. executing program [ 1363.237961][ T29] task:kworker/1:225 state:R running task stack:0 pid:6778 tgid:6778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.238184][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.238273][ T29] Call trace: [ 1363.238341][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1363.238443][ T29] r10:82a0b880 r9:8659d5c0 r8:80200c04 r7:ea985d7c r6:ffffffff r5:8659d5c0 [ 1363.238464][ T29] r4:00000000 [ 1363.238480][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1363.238537][ T29] Exception stack(0xea985d48 to 0xea985d90) [ 1363.238649][ T29] 5d40: e3360000 ec4f1000 00000000 80238790 82cceee0 82ccfb24 [ 1363.238691][ T29] 5d60: 7f02b000 ec4f1000 00000000 00000001 82a0b880 ea985dbc ec4f1000 ea985d98 [ 1363.238718][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1363.238743][ T29] r5:80000013 r4:802387a8 [ 1363.238758][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1363.238820][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1363.238885][ T29] r10:00000000 r9:ea985de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea985e28 [ 1363.238925][ T29] r4:ea985de0 [ 1363.238950][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.239014][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86313240 [ 1363.239032][ T29] r4:00000000 [ 1363.239046][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.239108][ T29] r9:8659d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [ 1363.239124][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.239179][ T29] r5:00001000 r4:e01d1000 [ 1363.239195][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.239318][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.239422][ T29] r5:86428f8c r4:86428f8c [ 1363.239522][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.239597][ T29] r7:ddde4e00 r6:8302ae00 r5:86428f8c r4:8681bc00 [ 1363.239613][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.239798][ T29] r10:ddde4e00 r9:8681bc30 r8:8659d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1363.239833][ T29] r4:8681bc00 [ 1363.239848][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.239980][ T29] r10:00000000 r9:ea97de88 r8:862f1300 r7:8681bc00 r6:80276fb8 r5:8659d5c0 [ 1363.240009][ T29] r4:862f2300 [ 1363.240026][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.240070][ T29] Exception stack(0xea985fb0 to 0xea985ff8) [ 1363.240098][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.240174][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.240208][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.240242][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:862f2300 [ 1363.240314][ T29] INFO: task kworker/0:207:6506 blocked for more than 430 seconds. [ 1363.240364][ T29] Not tainted syzkaller #0 [ 1363.240466][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1363.240518][ T29] task:kworker/0:207 state:D stack:0 pid:6506 tgid:6506 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.240700][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.240803][ T29] Call trace: [ 1363.240941][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1363.241022][ T29] r10:ea7c5da4 r9:ea7c5dac r8:00000002 r7:60000013 r6:82ccfb50 r5:863f55c0 [ 1363.241043][ T29] r4:863f55c0 [ 1363.241058][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1363.241117][ T29] r5:863f55c0 r4:82ccfb4c [ 1363.241286][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1363.241499][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1363.266319][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7c5e28 [ 1363.266415][ T29] r4:00000000 [ 1363.266479][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1363.267217][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1363.267316][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.267398][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e93c40 [ 1363.267418][ T29] r4:00000000 [ 1363.267433][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.267497][ T29] r9:863f55c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02d000 [ 1363.267512][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.267571][ T29] r5:00001000 r4:dfba9000 [ 1363.267587][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.267633][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.267705][ T29] r5:8688178c r4:8688178c [ 1363.267732][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.267799][ T29] r7:dddd0e00 r6:8302b000 r5:8688178c r4:86797b00 [ 1363.267813][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.267882][ T29] r10:00000000 r9:86797b30 r8:863f55c0 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1363.267901][ T29] r4:86797b00 [ 1363.267945][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.268018][ T29] r10:00000000 r9:ea7a5e88 r8:86797600 r7:86797b00 r6:80276fb8 r5:863f55c0 [ 1363.268054][ T29] r4:85fd2100 [ 1363.268074][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.268124][ T29] Exception stack(0xea7c5fb0 to 0xea7c5ff8) [ 1363.268160][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.268193][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.268222][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.268267][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:85fd2100 [ 1363.269085][ T29] INFO: task kworker/0:207:6506 is blocked on a mutex likely owned by task kworker/1:225:6778. [ 1363.269132][ T29] task:kworker/1:225 state:R running task stack:0 pid:6778 tgid:6778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.269270][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.269328][ T29] Call trace: [ 1363.269354][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1363.269444][ T29] r10:82a0b880 r9:8659d5c0 r8:80200c04 r7:ea985d7c r6:ffffffff r5:8659d5c0 [ 1363.269504][ T29] r4:00000000 [ 1363.269522][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1363.269578][ T29] Exception stack(0xea985d48 to 0xea985d90) [ 1363.269610][ T29] 5d40: e3635000 ec4f1000 00000000 80238790 82cceee0 82ccfb24 [ 1363.269645][ T29] 5d60: 7f02b000 ec4f1000 00000000 00000001 82a0b880 ea985dbc ec4f1000 ea985d98 [ 1363.269669][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1363.269739][ T29] r5:80000013 r4:802387a8 [ 1363.269758][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1363.269850][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1363.269923][ T29] r10:00000000 r9:ea985de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea985e28 [ 1363.269956][ T29] r4:ea985de0 [ 1363.270014][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.270154][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86313240 [ 1363.270183][ T29] r4:00000000 [ 1363.270198][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.270267][ T29] r9:8659d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [ 1363.270285][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.270507][ T29] r5:00001000 r4:e01d1000 [ 1363.270533][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.270606][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.270670][ T29] r5:86428f8c r4:86428f8c [ 1363.270723][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.270825][ T29] r7:ddde4e00 r6:8302ae00 r5:86428f8c r4:8681bc00 [ 1363.270848][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.271087][ T29] r10:ddde4e00 r9:8681bc30 r8:8659d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1363.271125][ T29] r4:8681bc00 [ 1363.271140][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.271284][ T29] r10:00000000 r9:ea97de88 r8:862f1300 r7:8681bc00 r6:80276fb8 r5:8659d5c0 [ 1363.271310][ T29] r4:862f2300 [ 1363.271326][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.271374][ T29] Exception stack(0xea985fb0 to 0xea985ff8) [ 1363.271402][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.271489][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.271533][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.271567][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:862f2300 [ 1363.271827][ T29] INFO: task kworker/0:227:6949 blocked for more than 430 seconds. [ 1363.271879][ T29] Not tainted syzkaller #0 [ 1363.271904][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1363.271945][ T29] task:kworker/0:227 state:D stack:0 pid:6949 tgid:6949 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.272045][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.272101][ T29] Call trace: [ 1363.272163][ T29] [<81b04afc>] (__schedule) from [<81b05f8c>] (schedule+0x2c/0x134) [ 1363.272244][ T29] r10:eab35da4 r9:eab35dac r8:00000002 r7:60000013 r6:82ccfb50 r5:86510c40 [ 1363.272266][ T29] r4:86510c40 [ 1363.272341][ T29] [<81b05f60>] (schedule) from [<81b06118>] (schedule_preempt_disabled+0x18/0x24) [ 1363.272481][ T29] r5:86510c40 r4:82ccfb4c [ 1363.272511][ T29] [<81b06100>] (schedule_preempt_disabled) from [<81b091f4>] (__mutex_lock.constprop.0+0x530/0xa88) [ 1363.272570][ T29] [<81b08cc4>] (__mutex_lock.constprop.0) from [<81b09820>] (__mutex_lock_slowpath+0x14/0x18) [ 1363.272636][ T29] r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab35e28 [ 1363.272735][ T29] r4:00000000 [ 1363.272834][ T29] [<81b0980c>] (__mutex_lock_slowpath) from [<81b09860>] (mutex_lock+0x3c/0x40) [ 1363.272903][ T29] [<81b09824>] (mutex_lock) from [<8050716c>] (_vm_unmap_aliases+0x5c/0x238) [ 1363.273106][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.273195][ T29] r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c0f480 [ 1363.273216][ T29] r4:00000000 [ 1363.273232][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.273334][ T29] r9:86510c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00d000 [ 1363.273357][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.273420][ T29] r5:00001000 r4:df98d000 [ 1363.273435][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.273513][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.273572][ T29] r5:8634078c r4:8634078c [ 1363.273614][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.273683][ T29] r7:dddd0e00 r6:8302b000 r5:8634078c r4:86156380 [ 1363.273732][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.273800][ T29] r10:00000000 r9:861563b0 r8:86510c40 r7:82a03d80 r6:dddd0e20 r5:dddd0e00 [ 1363.273820][ T29] r4:86156380 [ 1363.273833][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.273895][ T29] r10:00000000 r9:dfc6de88 r8:867e7f80 r7:86156380 r6:80276fb8 r5:86510c40 [ 1363.273916][ T29] r4:8618d7c0 [ 1363.273975][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.274032][ T29] Exception stack(0xeab35fb0 to 0xeab35ff8) [ 1363.274061][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.274094][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.274235][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.274280][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8618d7c0 [ 1363.274863][ T29] INFO: task kworker/0:227:6949 is blocked on a mutex likely owned by task kworker/1:225:6778. [ 1363.274903][ T29] task:kworker/1:225 state:R running task stack:0 pid:6778 tgid:6778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1363.275135][ T29] Workqueue: events bpf_prog_free_deferred [ 1363.275186][ T29] Call trace: [ 1363.275212][ T29] [<81b04afc>] (__schedule) from [<81b063c4>] (preempt_schedule_irq+0x40/0xa8) [ 1363.275384][ T29] r10:82a0b880 r9:8659d5c0 r8:80200c04 r7:ea985d7c r6:ffffffff r5:8659d5c0 [ 1363.316258][ T29] r4:00000000 [ 1363.316332][ T29] [<81b06384>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) [ 1363.316446][ T29] Exception stack(0xea985d48 to 0xea985d90) [ 1363.316486][ T29] 5d40: e3763000 ec4f1000 00000000 80238790 82cceee0 82ccfb24 [ 1363.316520][ T29] 5d60: 7f02b000 ec4f1000 00000000 00000001 82a0b880 ea985dbc ec4f1000 ea985d98 [ 1363.316546][ T29] 5d80: 8022f6e0 802387a8 80000013 ffffffff [ 1363.316575][ T29] r5:80000013 r4:802387a8 [ 1363.316620][ T29] [<8022f680>] (flush_tlb_kernel_range) from [<80506f20>] (__purge_vmap_area_lazy+0x294/0x484) [ 1363.316689][ T29] [<80506c8c>] (__purge_vmap_area_lazy) from [<805072f8>] (_vm_unmap_aliases+0x1e8/0x238) [ 1363.316758][ T29] r10:00000000 r9:ea985de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea985e28 [ 1363.316778][ T29] r4:ea985de0 [ 1363.316792][ T29] [<80507110>] (_vm_unmap_aliases) from [<8050af60>] (vfree+0x168/0x1d8) [ 1363.316856][ T29] r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86313240 [ 1363.316873][ T29] r4:00000000 [ 1363.316899][ T29] [<8050adf8>] (vfree) from [<8057a740>] (execmem_free+0x30/0x50) [ 1363.316973][ T29] r9:8659d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [ 1363.316991][ T29] [<8057a710>] (execmem_free) from [<803d0c3c>] (bpf_jit_free_exec+0x10/0x14) [ 1363.317051][ T29] r5:00001000 r4:e01d1000 [ 1363.317066][ T29] [<803d0c2c>] (bpf_jit_free_exec) from [<803d101c>] (bpf_jit_free+0x64/0xe0) [ 1363.317112][ T29] [<803d0fb8>] (bpf_jit_free) from [<803d20c4>] (bpf_prog_free_deferred+0x148/0x160) [ 1363.317162][ T29] r5:86428f8c r4:86428f8c [ 1363.317177][ T29] [<803d1f7c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0) [ 1363.317245][ T29] r7:ddde4e00 r6:8302ae00 r5:86428f8c r4:8681bc00 [ 1363.317260][ T29] [<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318) [ 1363.317343][ T29] r10:ddde4e00 r9:8681bc30 r8:8659d5c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00 [ 1363.317375][ T29] r4:8681bc00 [ 1363.317389][ T29] [<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.317453][ T29] r10:00000000 r9:ea97de88 r8:862f1300 r7:8681bc00 r6:80276fb8 r5:8659d5c0 [ 1363.317531][ T29] r4:862f2300 [ 1363.317551][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.317598][ T29] Exception stack(0xea985fb0 to 0xea985ff8) [ 1363.317627][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.317659][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.317732][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.317771][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:862f2300 [ 1363.337588][ T29] NMI backtrace for cpu 1 [ 1363.338071][ T29] CPU: 1 UID: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 1363.338225][ T29] Hardware name: ARM-Versatile Express [ 1363.338304][ T29] Call trace: [ 1363.338409][ T29] [<80201a14>] (dump_backtrace) from [<80201b08>] (show_stack+0x18/0x1c) [ 1363.338520][ T29] r7:600c0093 r6:600c0093 r5:8231b914 r4:00000000 [ 1363.338540][ T29] [<80201af0>] (show_stack) from [<8021e320>] (dump_stack_lvl+0x5c/0x70) [ 1363.338595][ T29] [<8021e2c4>] (dump_stack_lvl) from [<8021e34c>] (dump_stack+0x18/0x1c) [ 1363.338656][ T29] r7:00000000 r6:000c0013 r5:00000001 r4:00000001 [ 1363.338670][ T29] [<8021e334>] (dump_stack) from [<81aee3d4>] (nmi_cpu_backtrace+0x150/0x170) [ 1363.338727][ T29] [<81aee284>] (nmi_cpu_backtrace) from [<81aee524>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8) [ 1363.338794][ T29] r7:00000001 r6:82a0b550 r5:82a19f34 r4:ffffffff [ 1363.338811][ T29] [<81aee3f4>] (nmi_trigger_cpumask_backtrace) from [<8022f104>] (arch_trigger_cpumask_backtrace+0x18/0x1c) [ 1363.338887][ T29] r9:82a0b6d8 r8:00000009 r7:00000048 r6:82cc2de4 r5:00007a62 r4:00000048 [ 1363.338904][ T29] [<8022f0ec>] (arch_trigger_cpumask_backtrace) from [<81af6070>] (sys_info+0x68/0xa8) [ 1363.338967][ T29] [<81af6008>] (sys_info) from [<80385d58>] (watchdog+0x3a0/0x84c) [ 1363.339020][ T29] r5:00007a62 r4:0000000a [ 1363.339035][ T29] [<803859b8>] (watchdog) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.339119][ T29] r10:00000000 r9:df819e58 r8:83352680 r7:00000000 r6:803859b8 r5:833a0c40 [ 1363.339172][ T29] r4:831f7480 [ 1363.339192][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.339236][ T29] Exception stack(0xdf8d5fb0 to 0xdf8d5ff8) [ 1363.339272][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.339333][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.339364][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.339400][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:831f7480 [ 1363.339631][ T29] Sending NMI from CPU 1 to CPUs 0: [ 1363.340261][ C0] NMI backtrace for cpu 0 [ 1363.340411][ C0] CPU: 0 UID: 0 PID: 2820 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT [ 1363.340442][ C0] Hardware name: ARM-Versatile Express [ 1363.340485][ C0] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 [ 1363.340542][ C0] LR is at pl011_console_device_unlock+0x20/0x24 [ 1363.340575][ C0] pc : [<81b0f394>] lr : [<80add268>] psr: 60000113 [ 1363.340597][ C0] sp : eb2f9ec8 ip : eb2f9ed8 fp : eb2f9ed4 [ 1363.340617][ C0] r10: 82b591a4 r9 : 00000000 r8 : 00000000 [ 1363.340637][ C0] r7 : 00000117 r6 : 82b59108 r5 : 00000000 r4 : 00000001 [ 1363.340659][ C0] r3 : 00000802 r2 : 00000000 r1 : 60000113 r0 : 844a3840 [ 1363.340736][ C0] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 1363.340777][ C0] Control: 30c5387d Table: 863024c0 DAC: fffffffd [ 1363.340811][ C0] Call trace: [ 1363.340834][ C0] [<81b0f36c>] (_raw_spin_unlock_irqrestore) from [<80add268>] (pl011_console_device_unlock+0x20/0x24) [ 1363.340892][ C0] [<80add248>] (pl011_console_device_unlock) from [<802e68a8>] (nbcon_emit_one+0x88/0x100) [ 1363.340953][ C0] [<802e6820>] (nbcon_emit_one) from [<802e6b28>] (nbcon_kthread_func+0x208/0x2ec) [ 1363.340989][ C0] r6:82cbf2d4 r5:82b59108 r4:851cb100 [ 1363.340997][ C0] [<802e6920>] (nbcon_kthread_func) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.341034][ C0] r10:00000000 r9:df93db38 r8:84f9c100 r7:82b59108 r6:802e6920 r5:851cb100 [ 1363.341044][ C0] r4:8330f1c0 [ 1363.341052][ C0] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.341077][ C0] Exception stack(0xeb2f9fb0 to 0xeb2f9ff8) [ 1363.341097][ C0] 9fa0: 00000000 00000000 00000000 00000000 [ 1363.341114][ C0] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.341129][ C0] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.341147][ C0] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:8330f1c0 [ 1363.342600][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 1363.461985][ T29] CPU: 1 UID: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 1363.462439][ T29] Hardware name: ARM-Versatile Express [ 1363.462608][ T29] Call trace: [ 1363.462776][ T29] [<80201a14>] (dump_backtrace) from [<80201b08>] (show_stack+0x18/0x1c) [ 1363.463156][ T29] r7:82a1e6fc r6:00000000 r5:8231b914 r4:00000001 [ 1363.463288][ T29] [<80201af0>] (show_stack) from [<8021e320>] (dump_stack_lvl+0x5c/0x70) [ 1363.463486][ T29] [<8021e2c4>] (dump_stack_lvl) from [<8021e34c>] (dump_stack+0x18/0x1c) [ 1363.463760][ T29] r7:82a1e6fc r6:00000000 r5:833a0c40 r4:82c7bd3c [ 1363.463888][ T29] [<8021e334>] (dump_stack) from [<8020260c>] (vpanic+0x114/0x320) [ 1363.464223][ T29] [<802024f8>] (vpanic) from [<8020284c>] (trace_suspend_resume+0x0/0x104) [ 1363.464616][ T29] r7:00000048 [ 1363.464814][ T29] [<80202818>] (panic) from [<80385d70>] (watchdog+0x3b8/0x84c) [ 1363.465116][ T29] r3:00000001 r2:00000000 r1:00000001 r0:8231c610 [ 1363.465518][ T29] [<803859b8>] (watchdog) from [<8028117c>] (kthread+0x11c/0x154) [ 1363.465996][ T29] r10:00000000 r9:df819e58 r8:83352680 r7:00000000 r6:803859b8 r5:833a0c40 [ 1363.466386][ T29] r4:831f7480 [ 1363.466551][ T29] [<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1363.466848][ T29] Exception stack(0xdf8d5fb0 to 0xdf8d5ff8) [ 1363.467140][ T29] 5fa0: 00000000 00000000 00000000 00000000 [ 1363.467359][ T29] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1363.467537][ T29] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1363.467692][ T29] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281060 r4:831f7480 [ 1363.470856][ T29] Rebooting in 86400 seconds..