INFO: task kworker/0:5:3790 blocked for more than 430 seconds. Not tainted 6.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:0 pid:3790 tgid:3790 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819b479c>] (__schedule) from [<819b53dc>] (__schedule_loop kernel/sched/core.c:6751 [inline]) [<819b479c>] (__schedule) from [<819b53dc>] (schedule+0x2c/0xfc kernel/sched/core.c:6766) r10:8260ca7c r9:00000000 r8:82717524 r7:00000002 r6:dfd19da4 r5:8471bc00 r4:8471bc00 [<819b53b0>] (schedule) from [<819b5790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6823) r5:8471bc00 r4:82717520 [<819b5778>] (schedule_preempt_disabled) from [<819b8268>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<819b5778>] (schedule_preempt_disabled) from [<819b8268>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<819b7f80>] (__mutex_lock.constprop.0) from [<819b8b34>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd19e20 r4:00000000 [<819b8b20>] (__mutex_lock_slowpath) from [<819b8b74>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<819b8b38>] (mutex_lock) from [<804add18>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804adcb0>] (_vm_unmap_aliases) from [<804b1a74>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804adcb0>] (_vm_unmap_aliases) from [<804b1a74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85dbddc0 r4:00000000 [<804b1904>] (vfree) from [<8050fcc8>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:8471bc00 r8:00800000 r7:00000000 r6:82c18000 r5:00001000 r4:7f02b000 [<8050fc98>] (execmem_free) from [<8039c444>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:e00f1000 [<8039c434>] (bpf_jit_free_exec) from [<8039c824>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039c434>] (bpf_jit_free_exec) from [<8039c824>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039c7bc>] (bpf_jit_free) from [<8039d978>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:84db0b54 r4:84db0800 [<8039d82c>] (bpf_prog_free_deferred) from [<8026615c>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:dddd00c0 r6:82c18000 r5:84db0b54 r4:85125300 [<80265fa8>] (process_one_work) from [<80266d40>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265fa8>] (process_one_work) from [<80266d40>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:8471bc00 r9:8512532c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:85125300 [<80266b54>] (worker_thread) from [<8026fdac>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:ec81de78 r8:850defc0 r7:85125300 r6:80266b54 r5:8471bc00 r4:851275c0 [<8026fca8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd19fb0 to 0xdfd19ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fca8 r4:851275c0 NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted 6.11.0-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<819924a0>] (dump_backtrace) from [<8199259c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000013 r5:60000093 r4:82039e54 [<81992584>] (show_stack) from [<819b0888>] (__dump_stack lib/dump_stack.c:94 [inline]) [<81992584>] (show_stack) from [<819b0888>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<819b0818>] (dump_stack_lvl) from [<819b08ac>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<819b0894>] (dump_stack) from [<8197f760>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<8197f600>] (nmi_cpu_backtrace) from [<8197f8ac>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c5d0 r5:8261a88c r4:ffffffff [<8197f77c>] (nmi_trigger_cpumask_backtrace) from [<802103e8>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:00007381 r8:828b6cf8 r7:8260c730 r6:00007f42 r5:8261ae48 r4:8357321c [<802103d0>] (arch_trigger_cpumask_backtrace) from [<803582f4>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]) [<802103d0>] (arch_trigger_cpumask_backtrace) from [<803582f4>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<802103d0>] (arch_trigger_cpumask_backtrace) from [<803582f4>] (watchdog+0x498/0x5b8 kernel/hung_task.c:379) [<80357e5c>] (watchdog) from [<8026fdac>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df819e58 r8:82cd0940 r7:00000000 r6:80357e5c r5:82e51800 r4:82fa2540 [<8026fca8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8e1fb0 to 0xdf8e1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fca8 r4:82fa2540 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.11.0-syzkaller #0 Hardware name: ARM-Versatile Express Workqueue: wg-crypt-wg2 wg_packet_decrypt_worker PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194 LR is at debug_object_activate+0x194/0x218 lib/debugobjects.c:726 pc : [<819bdbf0>] lr : [<80855194>] psr: 20000113 sp : df801a88 ip : df801a98 fp : df801a94 r10: 828dd0b0 r9 : 00000001 r8 : 40000113 r7 : 828ecd4c r6 : 81a0300c r5 : 8260cda4 r4 : 8590c52c r3 : 0000dcf2 r2 : 00000003 r1 : 40000113 r0 : 828ecd4c Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 8415c440 DAC: fffffffd Call trace: frame pointer underflow [<819bdbc8>] (_raw_spin_unlock_irqrestore) from [<80855194>] (debug_object_activate+0x194/0x218 lib/debugobjects.c:726) [<80855000>] (debug_object_activate) from [<802e59f4>] (debug_rcu_head_queue kernel/rcu/rcu.h:224 [inline]) [<80855000>] (debug_object_activate) from [<802e59f4>] (__call_rcu_common.constprop.0+0x40/0x798 kernel/rcu/tree.c:3071) r10:81c624fc r9:82ea47d4 r8:85e73580 r7:814bc5f8 r6:df801c74 r5:8590c52c r4:00000001 [<802e59b4>] (__call_rcu_common.constprop.0) from [<802e6170>] (call_rcu+0x10/0x14 kernel/rcu/tree.c:3190) r10:81c624fc r9:82ea47d4 r8:85e73580 r7:852b2218 r6:df801c74 r5:8590c500 r4:00000001 [<802e6160>] (call_rcu) from [<814bc414>] (call_rcu_hurry include/linux/rcupdate.h:115 [inline]) [<802e6160>] (call_rcu) from [<814bc414>] (dst_release net/core/dst.c:165 [inline]) [<802e6160>] (call_rcu) from [<814bc414>] (dst_release+0x7c/0xa4 net/core/dst.c:162) [<814bc398>] (dst_release) from [<814900a4>] (refdst_drop include/net/dst.h:263 [inline]) [<814bc398>] (dst_release) from [<814900a4>] (skb_dst_drop include/net/dst.h:275 [inline]) [<814bc398>] (dst_release) from [<814900a4>] (skb_release_head_state+0xc8/0x104 net/core/skbuff.c:1174) r5:816323b4 r4:82f54e40 [<8148ffdc>] (skb_release_head_state) from [<81493ab0>] (skb_release_all net/core/skbuff.c:1188 [inline]) [<8148ffdc>] (skb_release_head_state) from [<81493ab0>] (__kfree_skb net/core/skbuff.c:1204 [inline]) [<8148ffdc>] (skb_release_head_state) from [<81493ab0>] (consume_skb net/core/skbuff.c:1436 [inline]) [<8148ffdc>] (skb_release_head_state) from [<81493ab0>] (consume_skb+0x64/0x130 net/core/skbuff.c:1430) r5:816323b4 r4:82f54e40 [<81493a4c>] (consume_skb) from [<816323b4>] (nft_synproxy_eval_v4 net/netfilter/nft_synproxy.c:60 [inline]) [<81493a4c>] (consume_skb) from [<816323b4>] (nft_synproxy_do_eval+0x264/0x2b4 net/netfilter/nft_synproxy.c:141) r7:852b2218 r6:df801c74 r5:84669a00 r4:82f54e40 [<81632150>] (nft_synproxy_do_eval) from [<81632430>] (nft_synproxy_eval+0x14/0x18 net/netfilter/nft_synproxy.c:247) r9:df801d0c r8:81c6267c r7:81c623e8 r6:81c623a4 r5:852b2220 r4:852b2210 [<8163241c>] (nft_synproxy_eval) from [<815fbc84>] (expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]) [<8163241c>] (nft_synproxy_eval) from [<815fbc84>] (nft_do_chain+0x12c/0x570 net/netfilter/nf_tables_core.c:288) [<815fbb58>] (nft_do_chain) from [<8161439c>] (nft_do_chain_inet+0xac/0x120 net/netfilter/nft_chain_filter.c:161) r10:dddd10c8 r9:8528eda0 r8:df801d64 r7:82f54e40 r6:8528ed80 r5:00000004 r4:8528e830 [<816142f0>] (nft_do_chain_inet) from [<815c3a00>] (nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]) [<816142f0>] (nft_do_chain_inet) from [<815c3a00>] (nf_hook_slow+0x40/0x104 net/netfilter/core.c:626) r4:00000001 [<815c39c0>] (nf_hook_slow) from [<81653f38>] (nf_hook include/linux/netfilter.h:269 [inline]) [<815c39c0>] (nf_hook_slow) from [<81653f38>] (NF_HOOK include/linux/netfilter.h:312 [inline]) [<815c39c0>] (nf_hook_slow) from [<81653f38>] (ip_local_deliver+0xf0/0x110 net/ipv4/ip_input.c:254) r9:00000040 r8:00000020 r7:00000000 r6:84669a00 r5:84d79000 r4:82f54e40 [<81653e48>] (ip_local_deliver) from [<81653094>] (dst_input include/net/dst.h:460 [inline]) [<81653e48>] (ip_local_deliver) from [<81653094>] (ip_rcv_finish+0x98/0xb0 net/ipv4/ip_input.c:449) r6:84d79000 r5:84669a00 r4:82f54e40 [<81652ffc>] (ip_rcv_finish) from [<8165402c>] (NF_HOOK include/linux/netfilter.h:314 [inline]) [<81652ffc>] (ip_rcv_finish) from [<8165402c>] (NF_HOOK include/linux/netfilter.h:308 [inline]) [<81652ffc>] (ip_rcv_finish) from [<8165402c>] (ip_rcv+0xd4/0xe0 net/ipv4/ip_input.c:569) r7:00000000 r6:84669a00 r5:82f54e40 r4:00000001 [<81653f58>] (ip_rcv) from [<814b3878>] (__netif_receive_skb_one_core+0x5c/0x80 net/core/dev.c:5662) r6:00000000 r5:81653f58 r4:84d79000 [<814b381c>] (__netif_receive_skb_one_core) from [<814b38e4>] (__netif_receive_skb+0x18/0x5c net/core/dev.c:5775) r5:dddd11b0 r4:82f54e40 [<814b38cc>] (__netif_receive_skb) from [<814b3bd4>] (process_backlog+0x88/0x15c net/core/dev.c:6107) r5:dddd11b0 r4:82f54e40 [<814b3b4c>] (process_backlog) from [<814b4ad8>] (__napi_poll+0x34/0x240 net/core/dev.c:6771) r10:dddd10c0 r9:dddd1300 r8:df801ed0 r7:df801ecb r6:00000040 r5:dddd11b0 r4:00000001 [<814b4aa4>] (__napi_poll) from [<814b5310>] (napi_poll net/core/dev.c:6840 [inline]) [<814b4aa4>] (__napi_poll) from [<814b5310>] (net_rx_action+0x338/0x420 net/core/dev.c:6962) r9:dddd1300 r8:df801ed0 r7:0000012c r6:00007386 r5:dddd11b0 r4:00000000 [<814b4fd8>] (net_rx_action) from [<8024b59c>] (handle_softirqs+0x158/0x464 kernel/softirq.c:554) r10:00000008 r9:82e36c00 r8:00000101 r7:04208060 r6:00000003 r5:00000004 r4:8260408c [<8024b444>] (handle_softirqs) from [<802012d0>] (__do_softirq+0x14/0x18 kernel/softirq.c:588) r10:84db9400 r9:84db90c0 r8:00000000 r7:00000001 r6:82e36c00 r5:00000001 r4:60000113 [<802012bc>] (__do_softirq) from [<80208800>] (____do_softirq+0x10/0x14 arch/arm/kernel/irq.c:77) [<802087f0>] (____do_softirq) from [<81961a7c>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) [<81961a60>] (call_with_stack) from [<8020883c>] (do_softirq_own_stack+0x38/0x3c arch/arm/kernel/irq.c:82) [<80208804>] (do_softirq_own_stack) from [<8024bab4>] (do_softirq kernel/softirq.c:455 [inline]) [<80208804>] (do_softirq_own_stack) from [<8024bab4>] (do_softirq+0x5c/0x64 kernel/softirq.c:442) [<8024ba58>] (do_softirq) from [<8024bb88>] (__local_bh_enable_ip+0xcc/0xd0 kernel/softirq.c:382) r5:00000001 r4:82e36c00 [<8024babc>] (__local_bh_enable_ip) from [<819bdaa4>] (__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]) [<8024babc>] (__local_bh_enable_ip) from [<819bdaa4>] (_raw_spin_unlock_bh+0x34/0x38 kernel/locking/spinlock.c:210) r5:83ddc808 r4:83ddc7c0 [<819bda70>] (_raw_spin_unlock_bh) from [<80c5db84>] (spin_unlock_bh include/linux/spinlock.h:396 [inline]) [<819bda70>] (_raw_spin_unlock_bh) from [<80c5db84>] (ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]) [<819bda70>] (_raw_spin_unlock_bh) from [<80c5db84>] (wg_packet_decrypt_worker+0xf4/0x16c drivers/net/wireguard/receive.c:499) [<80c5da90>] (wg_packet_decrypt_worker) from [<8026615c>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r10:8448a805 r9:82e36c00 r8:00800000 r7:dddd00c0 r6:8448a800 r5:ff7e6350 r4:82cb6080 r3:80c5da90 [<80265fa8>] (process_one_work) from [<80266d40>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265fa8>] (process_one_work) from [<80266d40>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:82e36c00 r9:82cb60ac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:82cb6080 [<80266b54>] (worker_thread) from [<8026fdac>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df839e78 r8:82cb5b80 r7:82cb6080 r6:80266b54 r5:82e36c00 r4:82cb5980 [<8026fca8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf841fb0 to 0xdf841ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fca8 r4:82cb5980