===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 6.1.82-syzkaller #0 Not tainted ----------------------------------------------------- kworker/u4:0/9 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: ffff88805a30aa40 (&stab->lock){+.-.}-{2:2}, at: __sock_map_delete net/core/sock_map.c:416 [inline] ffff88805a30aa40 (&stab->lock){+.-.}-{2:2}, at: sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 and this task is already holding: ffff8880b9928358 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:999 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+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 lock_timer_base+0x120/0x260 kernel/time/timer.c:999 add_timer_on+0x1eb/0x580 kernel/time/timer.c:1222 handle_irq_event_percpu kernel/irq/handle.c:195 [inline] handle_irq_event+0xa9/0x1e0 kernel/irq/handle.c:210 handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:819 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250 common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644 console_emit_next_record+0xc69/0xea0 kernel/printk/printk.c:2751 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2871 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2268 _printk+0xd1/0x111 kernel/printk/printk.c:2293 spectre_v2_select_mitigation+0x4b9/0x748 arch/x86/kernel/cpu/bugs.c:1692 cpu_select_mitigations+0x3d/0x8f arch/x86/kernel/cpu/bugs.c:148 arch_cpu_finalize_init+0xf/0x81 arch/x86/kernel/cpu/common.c:2446 start_kernel+0x423/0x53f init/main.c:1105 secondary_startup_64_no_verify+0xcf/0xdb to a HARDIRQ-irq-unsafe lock: (&stab->lock){+.-.}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:989 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x717/0x770 mm/page_alloc.c:5567 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0x91/0x1d0 mm/slab_common.c:1096 __do_kmalloc_node mm/slab_common.c:943 [inline] __kmalloc_node+0x111/0x230 mm/slab_common.c:962 kmalloc_node include/linux/slab.h:582 [inline] __bpf_map_area_alloc kernel/bpf/syscall.c:326 [inline] bpf_map_area_alloc+0x4b/0xf0 kernel/bpf/syscall.c:339 htab_map_alloc+0x383/0x1910 kernel/bpf/hashtab.c:515 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x4c0/0xd20 kernel/bpf/syscall.c:1128 __sys_bpf+0x2d3/0x6c0 kernel/bpf/syscall.c:4987 __do_sys_bpf kernel/bpf/syscall.c:5109 [inline] __se_sys_bpf kernel/bpf/syscall.c:5107 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5107 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd 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 *** 4 locks held by kworker/u4:0/9: #0: ffff88814b3cc938 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267 #1: ffffc900000e7d20 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267 #2: ffff8880b9928358 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:999 #3: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:319 [inline] #3: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:760 [inline] #3: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2272 [inline] #3: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0x16a/0x470 kernel/trace/bpf_trace.c:2314 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&base->lock){-.-.}-{2:2} { IN-HARDIRQ-W at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 lock_timer_base+0x120/0x260 kernel/time/timer.c:999 add_timer_on+0x1eb/0x580 kernel/time/timer.c:1222 handle_irq_event_percpu kernel/irq/handle.c:195 [inline] handle_irq_event+0xa9/0x1e0 kernel/irq/handle.c:210 handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:819 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250 common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644 console_emit_next_record+0xc69/0xea0 kernel/printk/printk.c:2751 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2871 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2268 _printk+0xd1/0x111 kernel/printk/printk.c:2293 spectre_v2_select_mitigation+0x4b9/0x748 arch/x86/kernel/cpu/bugs.c:1692 cpu_select_mitigations+0x3d/0x8f arch/x86/kernel/cpu/bugs.c:148 arch_cpu_finalize_init+0xf/0x81 arch/x86/kernel/cpu/common.c:2446 start_kernel+0x423/0x53f init/main.c:1105 secondary_startup_64_no_verify+0xcf/0xdb IN-SOFTIRQ-W at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170 __run_timers+0x111/0x890 kernel/time/timer.c:1772 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 common_interrupt+0xa4/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644 console_emit_next_record+0xc69/0xea0 kernel/printk/printk.c:2751 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2871 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2268 _printk+0xd1/0x111 kernel/printk/printk.c:2293 md_clear_update_mitigation+0x36f/0x4aa arch/x86/kernel/cpu/bugs.c:573 cpu_select_mitigations+0x56/0x8f arch/x86/kernel/cpu/bugs.c:163 arch_cpu_finalize_init+0xf/0x81 arch/x86/kernel/cpu/common.c:2446 start_kernel+0x423/0x53f init/main.c:1105 secondary_startup_64_no_verify+0xcf/0xdb INITIAL USE at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 lock_timer_base+0x120/0x260 kernel/time/timer.c:999 add_timer_on+0x1eb/0x580 kernel/time/timer.c:1222 handle_irq_event_percpu kernel/irq/handle.c:195 [inline] handle_irq_event+0xa9/0x1e0 kernel/irq/handle.c:210 handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:819 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250 common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644 console_emit_next_record+0xc69/0xea0 kernel/printk/printk.c:2751 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2871 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2268 _printk+0xd1/0x111 kernel/printk/printk.c:2293 spectre_v2_select_mitigation+0x4b9/0x748 arch/x86/kernel/cpu/bugs.c:1692 cpu_select_mitigations+0x3d/0x8f arch/x86/kernel/cpu/bugs.c:148 arch_cpu_finalize_init+0xf/0x81 arch/x86/kernel/cpu/common.c:2446 start_kernel+0x423/0x53f init/main.c:1105 secondary_startup_64_no_verify+0xcf/0xdb } ... key at: [] init_timer_cpu.__key+0x0/0x20 the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (&stab->lock){+.-.}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:989 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x717/0x770 mm/page_alloc.c:5567 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0x91/0x1d0 mm/slab_common.c:1096 __do_kmalloc_node mm/slab_common.c:943 [inline] __kmalloc_node+0x111/0x230 mm/slab_common.c:962 kmalloc_node include/linux/slab.h:582 [inline] __bpf_map_area_alloc kernel/bpf/syscall.c:326 [inline] bpf_map_area_alloc+0x4b/0xf0 kernel/bpf/syscall.c:339 htab_map_alloc+0x383/0x1910 kernel/bpf/hashtab.c:515 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x4c0/0xd20 kernel/bpf/syscall.c:1128 __sys_bpf+0x2d3/0x6c0 kernel/bpf/syscall.c:4987 __do_sys_bpf kernel/bpf/syscall.c:5109 [inline] __se_sys_bpf kernel/bpf/syscall.c:5107 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5107 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd IN-SOFTIRQ-W at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:989 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x717/0x770 mm/page_alloc.c:5567 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node+0x127/0x1b0 include/linux/gfp.h:260 page_frag_alloc_1k net/core/skbuff.c:163 [inline] __napi_alloc_skb+0x34b/0x520 net/core/skbuff.c:681 napi_alloc_skb include/linux/skbuff.h:3231 [inline] page_to_skb+0x282/0xb60 drivers/net/virtio_net.c:501 receive_mergeable drivers/net/virtio_net.c:1128 [inline] receive_buf+0x436/0x5520 drivers/net/virtio_net.c:1267 virtnet_receive drivers/net/virtio_net.c:1562 [inline] virtnet_poll+0x6d3/0x1470 drivers/net/virtio_net.c:1680 __napi_poll+0xc7/0x470 net/core/dev.c:6537 napi_poll net/core/dev.c:6604 [inline] net_rx_action+0x70f/0xeb0 net/core/dev.c:6715 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 common_interrupt+0xa4/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644 finish_task_switch+0x1d3/0x810 kernel/sched/core.c:5124 context_switch kernel/sched/core.c:5248 [inline] __schedule+0x1435/0x4550 kernel/sched/core.c:6558 schedule+0xbf/0x180 kernel/sched/core.c:6634 schedule_hrtimeout_range_clock+0x2a4/0x480 kernel/time/hrtimer.c:2308 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe19/0x1320 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll+0x29c/0x330 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd INITIAL USE at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:989 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x717/0x770 mm/page_alloc.c:5567 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0x91/0x1d0 mm/slab_common.c:1096 __do_kmalloc_node mm/slab_common.c:943 [inline] __kmalloc_node+0x111/0x230 mm/slab_common.c:962 kmalloc_node include/linux/slab.h:582 [inline] __bpf_map_area_alloc kernel/bpf/syscall.c:326 [inline] bpf_map_area_alloc+0x4b/0xf0 kernel/bpf/syscall.c:339 htab_map_alloc+0x383/0x1910 kernel/bpf/hashtab.c:515 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x4c0/0xd20 kernel/bpf/syscall.c:1128 __sys_bpf+0x2d3/0x6c0 kernel/bpf/syscall.c:4987 __do_sys_bpf kernel/bpf/syscall.c:5109 [inline] __se_sys_bpf kernel/bpf/syscall.c:5107 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5107 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd } ... key at: [] sock_map_alloc.__key+0x0/0x20 ... acquired at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:989 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x717/0x770 mm/page_alloc.c:5567 alloc_slab_page+0x6a/0x150 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x84/0x2d0 mm/slub.c:1992 ___slab_alloc+0xc20/0x1270 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x1a5/0x2d0 mm/slub.c:3422 kmem_cache_zalloc include/linux/slab.h:682 [inline] fill_pool lib/debugobjects.c:168 [inline] debug_objects_fill_pool+0x68f/0xa10 lib/debugobjects.c:606 debug_object_activate+0x32/0x4e0 lib/debugobjects.c:693 debug_timer_activate kernel/time/timer.c:782 [inline] __mod_timer+0x7bf/0xee0 kernel/time/timer.c:1103 queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1704 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:307 stack backtrace: CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.82-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: bat_events batadv_nc_worker Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_bad_irq_dependency kernel/locking/lockdep.c:2604 [inline] check_irq_usage kernel/locking/lockdep.c:2843 [inline] check_prev_add kernel/locking/lockdep.c:3094 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain+0x4d16/0x5950 kernel/locking/lockdep.c:3825 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:989 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run4+0x253/0x470 kernel/trace/bpf_trace.c:2314 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:177 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x717/0x770 mm/page_alloc.c:5567 alloc_slab_page+0x6a/0x150 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x84/0x2d0 mm/slub.c:1992 ___slab_alloc+0xc20/0x1270 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x1a5/0x2d0 mm/slub.c:3422 kmem_cache_zalloc include/linux/slab.h:682 [inline] fill_pool lib/debugobjects.c:168 [inline] debug_objects_fill_pool+0x68f/0xa10 lib/debugobjects.c:606 debug_object_activate+0x32/0x4e0 lib/debugobjects.c:693 debug_timer_activate kernel/time/timer.c:782 [inline] __mod_timer+0x7bf/0xee0 kernel/time/timer.c:1103 queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1704 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:307