===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 6.9.0-rc2-syzkaller #0 Not tainted ----------------------------------------------------- kworker/u32:5/97 [HC0[0]:SC0[4]:HE0:SE0] is trying to acquire: ffff88801e08a200 (&stab->lock){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] ffff88801e08a200 (&stab->lock){+.-.}-{2:2}, at: __sock_map_delete net/core/sock_map.c:414 [inline] ffff88801e08a200 (&stab->lock){+.-.}-{2:2}, at: sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 and this task is already holding: ffff88806b12a858 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5d/0x220 kernel/time/timer.c:1052 which would create a new lock dependency: (&base->lock){-.-.}-{2:2} -> (&stab->lock){+.-.}-{2:2} but this new dependency connects a HARDIRQ-irq-safe lock: (&base->lock){-.-.}-{2:2} ... which became HARDIRQ-irq-safe at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 lock_timer_base+0x5d/0x220 kernel/time/timer.c:1052 add_timer_on+0x16c/0x500 kernel/time/timer.c:1367 add_interrupt_randomness+0x29c/0x310 drivers/char/random.c:1109 handle_irq_event_percpu kernel/irq/handle.c:195 [inline] handle_irq_event+0xe4/0x1e0 kernel/irq/handle.c:210 handle_level_irq+0x25d/0x6f0 kernel/irq/chip.c:648 generic_handle_irq_desc include/linux/irqdesc.h:161 [inline] handle_irq arch/x86/kernel/irq.c:238 [inline] __common_interrupt+0xe1/0x250 arch/x86/kernel/irq.c:257 common_interrupt+0xab/0xd0 arch/x86/kernel/irq.c:247 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 __setup_irq+0x10cd/0x1f00 kernel/irq/manage.c:1823 request_threaded_irq+0x2b4/0x3e0 kernel/irq/manage.c:2207 request_irq include/linux/interrupt.h:171 [inline] setup_default_timer_irq arch/x86/kernel/time.c:70 [inline] hpet_time_init+0x5b/0x90 arch/x86/kernel/time.c:82 x86_late_time_init+0x51/0xc0 arch/x86/kernel/time.c:94 start_kernel+0x317/0x490 init/main.c:1036 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 to a HARDIRQ-irq-unsafe lock: (&stab->lock){+.-.}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 ___bpf_prog_run+0x3e51/0xae80 kernel/bpf/core.c:1997 __bpf_prog_run32+0xc1/0x100 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run4+0x176/0x460 kernel/trace/bpf_trace.c:2422 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x3ad/0x2460 mm/page_alloc.c:4597 alloc_pages_mpol+0x275/0x610 mm/mempolicy.c:2264 vma_alloc_folio+0xad/0x160 mm/mempolicy.c:2303 folio_prealloc mm/memory.c:1046 [inline] alloc_anon_folio mm/memory.c:4375 [inline] do_anonymous_page mm/memory.c:4433 [inline] do_pte_missing mm/memory.c:3878 [inline] handle_pte_fault mm/memory.c:5300 [inline] __handle_mm_fault+0x26fd/0x4b40 mm/memory.c:5441 handle_mm_fault+0x476/0xa00 mm/memory.c:5606 do_user_addr_fault+0x2e5/0x1080 arch/x86/mm/fault.c:1413 handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1563 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&stab->lock); local_irq_disable(); lock(&base->lock); lock(&stab->lock); lock(&base->lock); *** DEADLOCK *** 6 locks held by kworker/u32:5/97: #0: ffff888020fdf948 ((wq_completion)wg-kex-wg2#7){+.+.}-{0:0}, at: process_one_work+0x1296/0x1ac0 kernel/workqueue.c:3229 #1: ffffc90000fc7d80 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x906/0x1ac0 kernel/workqueue.c:3230 #2: ffffffff8dbb1500 (rcu_read_lock_bh){....}-{1:2}, at: local_bh_disable include/linux/bottom_half.h:20 [inline] #2: ffffffff8dbb1500 (rcu_read_lock_bh){....}-{1:2}, at: rcu_read_lock_bh include/linux/rcupdate.h:833 [inline] #2: ffffffff8dbb1500 (rcu_read_lock_bh){....}-{1:2}, at: mod_peer_timer+0x18/0x2c0 drivers/net/wireguard/timers.c:34 #3: ffff88806b12a858 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5d/0x220 kernel/time/timer.c:1052 #4: ffffffff8e64c0a0 (fill_pool_map-wait-type-override){+.+.}-{3:3}, at: debug_objects_fill_pool lib/debugobjects.c:614 [inline] #4: ffffffff8e64c0a0 (fill_pool_map-wait-type-override){+.+.}-{3:3}, at: debug_object_activate+0x13e/0x540 lib/debugobjects.c:704 #5: ffffffff8dbb1560 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #5: ffffffff8dbb1560 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #5: ffffffff8dbb1560 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2380 [inline] #5: ffffffff8dbb1560 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0x107/0x460 kernel/trace/bpf_trace.c:2422 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&base->lock){-.-.}-{2:2} { IN-HARDIRQ-W at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 lock_timer_base+0x5d/0x220 kernel/time/timer.c:1052 add_timer_on+0x16c/0x500 kernel/time/timer.c:1367 add_interrupt_randomness+0x29c/0x310 drivers/char/random.c:1109 handle_irq_event_percpu kernel/irq/handle.c:195 [inline] handle_irq_event+0xe4/0x1e0 kernel/irq/handle.c:210 handle_level_irq+0x25d/0x6f0 kernel/irq/chip.c:648 generic_handle_irq_desc include/linux/irqdesc.h:161 [inline] handle_irq arch/x86/kernel/irq.c:238 [inline] __common_interrupt+0xe1/0x250 arch/x86/kernel/irq.c:257 common_interrupt+0xab/0xd0 arch/x86/kernel/irq.c:247 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 __setup_irq+0x10cd/0x1f00 kernel/irq/manage.c:1823 request_threaded_irq+0x2b4/0x3e0 kernel/irq/manage.c:2207 request_irq include/linux/interrupt.h:171 [inline] setup_default_timer_irq arch/x86/kernel/time.c:70 [inline] hpet_time_init+0x5b/0x90 arch/x86/kernel/time.c:82 x86_late_time_init+0x51/0xc0 arch/x86/kernel/time.c:94 start_kernel+0x317/0x490 init/main.c:1036 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 IN-SOFTIRQ-W at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170 __run_timer_base kernel/time/timer.c:2428 [inline] __run_timer_base kernel/time/timer.c:2422 [inline] run_timer_base+0x109/0x190 kernel/time/timer.c:2438 run_timer_softirq+0x10/0x40 kernel/time/timer.c:2446 __do_softirq+0x21b/0x922 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0xb9/0x120 kernel/softirq.c:645 common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:247 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693 console_flush_all+0xa19/0xd70 kernel/printk/printk.c:2985 console_unlock+0xae/0x290 kernel/printk/printk.c:3048 vprintk_emit kernel/printk/printk.c:2348 [inline] vprintk_emit+0x11a/0x5a0 kernel/printk/printk.c:2303 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45 _printk+0xc8/0x100 kernel/printk/printk.c:2373 dmar_table_print_dmar_entry drivers/iommu/intel/dmar.c:533 [inline] dmar_walk_remapping_entries+0x71d/0x8e0 drivers/iommu/intel/dmar.c:601 dmar_walk_dmar_table drivers/iommu/intel/dmar.c:626 [inline] parse_dmar_table+0x1e0/0x2d0 drivers/iommu/intel/dmar.c:673 dmar_table_init+0x42/0xf0 drivers/iommu/intel/dmar.c:849 intel_prepare_irq_remapping+0x66/0x960 drivers/iommu/intel/irq_remapping.c:729 irq_remapping_prepare+0x46/0x90 drivers/iommu/irq_remapping.c:103 enable_IR_x2apic+0x49/0x4f0 arch/x86/kernel/apic/apic.c:1891 x86_64_probe_apic+0xd/0xc0 arch/x86/kernel/apic/probe_64.c:21 apic_intr_mode_init+0x169/0x1f0 arch/x86/kernel/apic/apic.c:1367 x86_late_time_init+0x75/0xc0 arch/x86/kernel/time.c:100 start_kernel+0x317/0x490 init/main.c:1036 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 lock_timer_base+0x5d/0x220 kernel/time/timer.c:1052 __mod_timer+0x426/0xdc0 kernel/time/timer.c:1133 add_timer_global+0x8a/0xc0 kernel/time/timer.c:1331 __queue_delayed_work+0x1ba/0x2e0 kernel/workqueue.c:2567 queue_delayed_work_on+0x10e/0x130 kernel/workqueue.c:2595 queue_delayed_work include/linux/workqueue.h:620 [inline] crng_reseed+0xeb/0x280 drivers/char/random.c:258 random_init+0xcb/0x1e0 drivers/char/random.c:901 start_kernel+0x1f2/0x490 init/main.c:988 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 } ... key at: [] __key.0+0x0/0x40 the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (&stab->lock){+.-.}-{2:2} { HARDIRQ-ON-W at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 ___bpf_prog_run+0x3e51/0xae80 kernel/bpf/core.c:1997 __bpf_prog_run32+0xc1/0x100 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run4+0x176/0x460 kernel/trace/bpf_trace.c:2422 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x3ad/0x2460 mm/page_alloc.c:4597 alloc_pages_mpol+0x275/0x610 mm/mempolicy.c:2264 vma_alloc_folio+0xad/0x160 mm/mempolicy.c:2303 folio_prealloc mm/memory.c:1046 [inline] alloc_anon_folio mm/memory.c:4375 [inline] do_anonymous_page mm/memory.c:4433 [inline] do_pte_missing mm/memory.c:3878 [inline] handle_pte_fault mm/memory.c:5300 [inline] __handle_mm_fault+0x26fd/0x4b40 mm/memory.c:5441 handle_mm_fault+0x476/0xa00 mm/memory.c:5606 do_user_addr_fault+0x2e5/0x1080 arch/x86/mm/fault.c:1413 handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1563 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 IN-SOFTIRQ-W at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 ___bpf_prog_run+0x3e51/0xae80 kernel/bpf/core.c:1997 __bpf_prog_run32+0xc1/0x100 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run4+0x176/0x460 kernel/trace/bpf_trace.c:2422 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x3ad/0x2460 mm/page_alloc.c:4597 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2175 [inline] allocate_slab mm/slub.c:2338 [inline] new_slab+0xcc/0x3a0 mm/slub.c:2391 ___slab_alloc+0x66d/0x1790 mm/slub.c:3525 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3610 __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] kmem_cache_alloc+0x2e9/0x320 mm/slub.c:3852 dst_alloc+0x99/0x1a0 net/core/dst.c:89 ip6_dst_alloc+0x2c/0x90 net/ipv6/route.c:343 ip6_rt_pcpu_alloc net/ipv6/route.c:1380 [inline] rt6_make_pcpu_route net/ipv6/route.c:1428 [inline] ip6_pol_route+0x956/0x1150 net/ipv6/route.c:2265 pol_lookup_func include/net/ip6_fib.h:614 [inline] fib6_rule_lookup+0x536/0x720 net/ipv6/fib6_rules.c:116 ip6_route_input_lookup net/ipv6/route.c:2298 [inline] ip6_route_input+0x663/0xc10 net/ipv6/route.c:2594 ip6_rcv_finish_core.constprop.0+0x1a0/0x5d0 net/ipv6/ip6_input.c:66 ip6_rcv_finish net/ipv6/ip6_input.c:77 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] NF_HOOK include/linux/netfilter.h:308 [inline] ipv6_rcv+0x1e4/0x680 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core+0x12e/0x1e0 net/core/dev.c:5538 __netif_receive_skb+0x1d/0x160 net/core/dev.c:5652 process_backlog+0x12f/0x6f0 net/core/dev.c:5981 __napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x9ad/0xf10 net/core/dev.c:6816 __do_softirq+0x218/0x922 kernel/softirq.c:554 do_softirq kernel/softirq.c:455 [inline] do_softirq+0xb2/0xf0 kernel/softirq.c:442 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:851 [inline] __dev_queue_xmit+0x879/0x3f20 net/core/dev.c:4362 dev_queue_xmit include/linux/netdevice.h:3091 [inline] neigh_resolve_output net/core/neighbour.c:1563 [inline] neigh_resolve_output+0x5bc/0x950 net/core/neighbour.c:1543 neigh_output include/net/neighbour.h:542 [inline] ip6_finish_output2+0x673/0x18b0 net/ipv6/ip6_output.c:137 __ip6_finish_output net/ipv6/ip6_output.c:211 [inline] ip6_finish_output+0x3f9/0x1300 net/ipv6/ip6_output.c:222 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x1eb/0x540 net/ipv6/ip6_output.c:243 dst_output include/net/dst.h:450 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] ndisc_send_skb+0xa2d/0x1c30 net/ipv6/ndisc.c:509 ndisc_send_ns+0xc7/0x150 net/ipv6/ndisc.c:667 addrconf_dad_work+0xca5/0x1500 net/ipv6/addrconf.c:4279 process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 ___bpf_prog_run+0x3e51/0xae80 kernel/bpf/core.c:1997 __bpf_prog_run32+0xc1/0x100 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run4+0x176/0x460 kernel/trace/bpf_trace.c:2422 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x3ad/0x2460 mm/page_alloc.c:4597 alloc_pages_mpol+0x275/0x610 mm/mempolicy.c:2264 vma_alloc_folio+0xad/0x160 mm/mempolicy.c:2303 folio_prealloc mm/memory.c:1046 [inline] wp_page_copy mm/memory.c:3263 [inline] do_wp_page+0x1727/0x36f0 mm/memory.c:3660 handle_pte_fault mm/memory.c:5316 [inline] __handle_mm_fault+0x1fbf/0x4b40 mm/memory.c:5441 handle_mm_fault+0x476/0xa00 mm/memory.c:5606 do_user_addr_fault+0x2e5/0x1080 arch/x86/mm/fault.c:1413 handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1563 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 __put_user_nocheck_4+0x7/0x20 arch/x86/lib/putuser.S:95 ____sys_recvmsg+0x2f5/0x6b0 net/socket.c:2816 ___sys_recvmsg+0x115/0x1a0 net/socket.c:2845 do_recvmmsg+0x2ba/0x750 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x239/0x290 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x72/0x7a } ... key at: [] __key.1+0x0/0x40 ... acquired at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 ___bpf_prog_run+0x3e51/0xae80 kernel/bpf/core.c:1997 __bpf_prog_run32+0xc1/0x100 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run4+0x176/0x460 kernel/trace/bpf_trace.c:2422 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x3ad/0x2460 mm/page_alloc.c:4597 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2175 [inline] allocate_slab mm/slub.c:2338 [inline] new_slab+0xcc/0x3a0 mm/slub.c:2391 ___slab_alloc+0x66d/0x1790 mm/slub.c:3525 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3610 __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] kmem_cache_alloc+0x2e9/0x320 mm/slub.c:3852 kmem_cache_zalloc include/linux/slab.h:739 [inline] fill_pool+0x275/0x5d0 lib/debugobjects.c:168 debug_objects_fill_pool lib/debugobjects.c:615 [inline] debug_object_activate+0x151/0x540 lib/debugobjects.c:704 debug_timer_activate kernel/time/timer.c:837 [inline] __mod_timer+0x81d/0xdc0 kernel/time/timer.c:1172 mod_peer_timer+0x13f/0x2c0 drivers/net/wireguard/timers.c:37 wg_packet_send_handshake_initiation+0x22f/0x360 drivers/net/wireguard/send.c:42 wg_packet_handshake_send_worker+0x1c/0x30 drivers/net/wireguard/send.c:51 process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 stack backtrace: CPU: 1 PID: 97 Comm: kworker/u32:5 Not tainted 6.9.0-rc2-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114 print_bad_irq_dependency kernel/locking/lockdep.c:2626 [inline] check_irq_usage+0xe3c/0x1490 kernel/locking/lockdep.c:2865 check_prev_add kernel/locking/lockdep.c:3138 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x248e/0x3b30 kernel/locking/lockdep.c:5137 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 ___bpf_prog_run+0x3e51/0xae80 kernel/bpf/core.c:1997 __bpf_prog_run32+0xc1/0x100 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run4+0x176/0x460 kernel/trace/bpf_trace.c:2422 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x3ad/0x2460 mm/page_alloc.c:4597 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2175 [inline] allocate_slab mm/slub.c:2338 [inline] new_slab+0xcc/0x3a0 mm/slub.c:2391 ___slab_alloc+0x66d/0x1790 mm/slub.c:3525 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3610 __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] kmem_cache_alloc+0x2e9/0x320 mm/slub.c:3852 kmem_cache_zalloc include/linux/slab.h:739 [inline] fill_pool+0x275/0x5d0 lib/debugobjects.c:168 debug_objects_fill_pool lib/debugobjects.c:615 [inline] debug_object_activate+0x151/0x540 lib/debugobjects.c:704 debug_timer_activate kernel/time/timer.c:837 [inline] __mod_timer+0x81d/0xdc0 kernel/time/timer.c:1172 mod_peer_timer+0x13f/0x2c0 drivers/net/wireguard/timers.c:37 wg_packet_send_handshake_initiation+0x22f/0x360 drivers/net/wireguard/send.c:42 wg_packet_handshake_send_worker+0x1c/0x30 drivers/net/wireguard/send.c:51 process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 97 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x29/0x30 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 1 PID: 97 Comm: kworker/u32:5 Not tainted 6.9.0-rc2-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker RIP: 0010:warn_bogus_irq_restore+0x29/0x30 kernel/locking/irqflag-debug.c:10 Code: 90 f3 0f 1e fa 90 80 3d fc b9 ec 04 00 74 06 90 c3 cc cc cc cc c6 05 ed b9 ec 04 01 90 48 c7 c7 20 c5 2c 8b e8 98 fc 71 f6 90 <0f> 0b 90 90 eb df 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90000fc79f0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88806b12a840 RCX: ffffffff814fe169 RDX: ffff88801bcf8000 RSI: ffffffff814fe176 RDI: 0000000000000001 RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 61636f6c5f776172 R12: 00000000ffff9e0a R13: 0000000000000000 R14: ffff88806b12a840 R15: 00000000ffffffff FS: 0000000000000000(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8c21a02958 CR3: 0000000044cce000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:194 __mod_timer+0x8f6/0xdc0 kernel/time/timer.c:1187 mod_peer_timer+0x13f/0x2c0 drivers/net/wireguard/timers.c:37 wg_packet_send_handshake_initiation+0x22f/0x360 drivers/net/wireguard/send.c:42 wg_packet_handshake_send_worker+0x1c/0x30 drivers/net/wireguard/send.c:51 process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243