watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.4.9706:8828] Modules linked in: irq event stamp: 14794297 hardirqs last enabled at (14794296): [] irqentry_exit+0x59c/0x620 kernel/entry/common.c:219 hardirqs last disabled at (14794297): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1056 softirqs last enabled at (14696286): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last enabled at (14696286): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last enabled at (14696286): [] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 softirqs last disabled at (14696289): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (14696289): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (14696289): [] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 CPU: 1 UID: 0 PID: 8828 Comm: syz.4.9706 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:194 Code: f7 e8 5d 36 07 f6 f7 c3 00 02 00 00 74 05 e8 30 97 32 f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 e4 01 f9 f5 65 8b 05 4d 14 59 07 85 c0 74 18 5b 41 5e c3 cc cc RSP: 0018:ffffc90000a08d68 EFLAGS: 00000206 RAX: 0000000000000006 RBX: 0000000000000246 RCX: 0000000000000102 RDX: 0000000000000000 RSI: ffffffff8dcc9ce4 RDI: 0000000000000001 RBP: ffffc90000a08ed0 R08: ffffffff8fef2077 R09: 1ffffffff1fde40e R10: dffffc0000000000 R11: fffffbfff1fde40f R12: ffff8880360170b8 R13: dffffc0000000000 R14: ffff8880b8728240 R15: 0000000000000001 FS: 00007fbe1f9876c0(0000) GS:ffff8881257f3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f20c69456b8 CR3: 000000009ea70000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __run_hrtimer kernel/time/hrtimer.c:1773 [inline] __hrtimer_run_queues+0x414/0xc30 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1858 handle_softirqs+0x22a/0x7c0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:194 Code: f7 e8 5d 36 07 f6 f7 c3 00 02 00 00 74 05 e8 30 97 32 f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 e4 01 f9 f5 65 8b 05 4d 14 59 07 85 c0 74 18 5b 41 5e c3 cc cc RSP: 0018:ffffc9000c32f428 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000292 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff8dcc9ce4 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff8fef2077 R09: 1ffffffff1fde40e R10: dffffc0000000000 R11: fffffbfff1fde40f R12: ffff8880944c1340 R13: ffff8880944c1300 R14: ffffffff9a237a10 R15: 0000000000000001 __debug_check_no_obj_freed lib/debugobjects.c:1108 [inline] debug_check_no_obj_freed+0x52e/0x550 lib/debugobjects.c:1129 slab_free_hook mm/slub.c:2471 [inline] slab_free mm/slub.c:6674 [inline] kfree+0x139/0x650 mm/slub.c:6886 compute_scc+0x9c8/0xa30 kernel/bpf/verifier.c:25109 bpf_check+0x5ecc/0x1c4c0 kernel/bpf/verifier.c:25248 bpf_prog_load+0x1484/0x1ae0 kernel/bpf/syscall.c:3088 __sys_bpf+0x570/0x920 kernel/bpf/syscall.c:6164 __do_sys_bpf kernel/bpf/syscall.c:6274 [inline] __se_sys_bpf kernel/bpf/syscall.c:6272 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbe1eb9bf79 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbe1f987028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fbe1ee15fa0 RCX: 00007fbe1eb9bf79 RDX: 0000000000000094 RSI: 00002000000000c0 RDI: 0000000000000005 RBP: 00007fbe1ec327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fbe1ee16038 R14: 00007fbe1ee15fa0 R15: 00007ffd7cd6ab58 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 8834 Comm: syz.8.9708 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:__sanitizer_cov_trace_pc+0x5c/0x70 kernel/kcov.c:235 Code: 48 16 00 00 83 fa 02 75 21 48 8b 91 50 16 00 00 48 8b 32 48 8d 7e 01 8b 89 4c 16 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 cc cc cc cc cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0000:ffffc90000007658 EFLAGS: 00000246 RAX: ffffffff8b0e50a2 RBX: ffff888077d0a000 RCX: ffff8880202dbd00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff888077d0a010 RBP: ffffc90000007910 R08: ffff888077d0a00f R09: 0000000000000000 R10: ffff888077d0a000 R11: ffffed100efa1402 R12: dffffc0000000000 R13: 1ffff1100b5275c2 R14: ffff88805a93ae14 R15: ffff88805a938e80 FS: 00007f498f4ae6c0(0000) GS:ffff8881256f3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0afb18e080 CR3: 00000000952b8000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ieee80211_rx_h_check_more_data net/mac80211/rx.c:1638 [inline] ieee80211_rx_handlers+0x412/0xc5b0 net/mac80211/rx.c:4211 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4262 [inline] ieee80211_prepare_and_rx_handle+0x25a1/0x67e0 net/mac80211/rx.c:5132 __ieee80211_rx_handle_packet net/mac80211/rx.c:5405 [inline] ieee80211_rx_list+0x266e/0x3050 net/mac80211/rx.c:5544 ieee80211_rx_napi+0x1b1/0x3e0 net/mac80211/rx.c:5567 ieee80211_rx include/net/mac80211.h:5216 [inline] ieee80211_handle_queued_frames+0xe8/0x1e0 net/mac80211/main.c:452 tasklet_action_common+0x2da/0x4b0 kernel/softirq.c:925 handle_softirqs+0x22a/0x7c0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__schedule+0x1540/0x51d0 kernel/sched/core.c:6878 Code: 2b 4c 89 e7 4c 89 ee e8 ee 52 9b f5 48 89 c7 e8 96 b3 fb f5 31 ff 4d 39 ec 40 0f 95 c7 e8 b8 bc fb f5 48 8b 84 24 d8 00 00 00 <66> 42 c7 44 30 0c f8 f8 48 c7 84 24 20 01 00 00 0e 36 e0 45 4a c7 RSP: 0000:ffffc9000c8cf140 EFLAGS: 00000202 RAX: 1ffff92001919e4c RBX: ffff8880b863a910 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff8c073ae0 RDI: ffffffff8c073aa0 RBP: ffffc9000c8cf330 R08: ffffffff8fef2077 R09: 1ffffffff1fde40e R10: dffffc0000000000 R11: fffffbfff1fde40f R12: ffff8880202dbd00 R13: ffff88802bd98000 R14: dffffc0000000000 R15: 1ffff110170c7686 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7051 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __put_partials+0x10e/0x170 mm/slub.c:3879 __slab_free+0x294/0x320 mm/slub.c:5956 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5263 [inline] __do_kmalloc_node mm/slub.c:5656 [inline] __kvmalloc_node_noprof+0x548/0x8d0 mm/slub.c:7144 bpf_stack_liveness_init+0x29/0x90 kernel/bpf/liveness.c:220 bpf_check+0x217c/0x1c4c0 kernel/bpf/verifier.c:25240 bpf_prog_load+0x1484/0x1ae0 kernel/bpf/syscall.c:3088 __sys_bpf+0x570/0x920 kernel/bpf/syscall.c:6164 __do_sys_bpf kernel/bpf/syscall.c:6274 [inline] __se_sys_bpf kernel/bpf/syscall.c:6272 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f498e59bf79 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f498f4ae028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f498e815fa0 RCX: 00007f498e59bf79 RDX: 0000000000000094 RSI: 00002000000000c0 RDI: 0000000000000005 RBP: 00007f498e6327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f498e816038 R14: 00007f498e815fa0 R15: 00007ffebaa21fb8 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8824/1:b..l rcu: (detected by 1, t=10503 jiffies, g=234761, q=1119 ncpus=2) task:syz.5.9704 state:R running task stack:24568 pid:8824 tgid:8819 ppid:7448 task_flags:0x40054c flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5260 [inline] __schedule+0x1522/0x51d0 kernel/sched/core.c:6867 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7051 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_unlock+0x3f/0x50 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:391 [inline] zap_pte_range mm/memory.c:1888 [inline] zap_pmd_range mm/memory.c:1950 [inline] zap_pud_range mm/memory.c:1978 [inline] zap_p4d_range mm/memory.c:1999 [inline] unmap_page_range+0x38fd/0x4030 mm/memory.c:2020 unmap_single_vma mm/memory.c:2062 [inline] unmap_vmas+0x3c0/0x5c0 mm/memory.c:2104 exit_mmap+0x251/0xb30 mm/mmap.c:1277 __mmput+0x118/0x430 kernel/fork.c:1173 exit_mm+0x168/0x220 kernel/exit.c:581 do_exit+0x62e/0x2310 kernel/exit.c:959 do_group_exit+0x21b/0x2d0 kernel/exit.c:1112 get_signal+0x1284/0x1330 kernel/signal.c:3034 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff46999bf79 RSP: 002b:00007ff46a9030e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007ff469c16098 RCX: 00007ff46999bf79 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff469c16098 RBP: 00007ff469c16090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff469c16128 R14: 00007fffa2cb5100 R15: 00007fffa2cb51e8 rcu: rcu_preempt kthread starved for 7606 jiffies! g234761 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27448 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5260 [inline] __schedule+0x1522/0x51d0 kernel/sched/core.c:6867 __schedule_loop kernel/sched/core.c:6949 [inline] schedule+0x164/0x360 kernel/sched/core.c:6964 schedule_timeout+0x158/0x2c0 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x312/0x1560 kernel/rcu/tree.c:2083 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:2285 kthread+0x726/0x8b0 kernel/kthread.c:463 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 8834 Comm: syz.8.9708 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:get_current arch/x86/include/asm/current.h:25 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216 Code: 8b 3d f4 3b 33 0c 48 89 de 5b e9 63 c5 5c 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d d8 55 2e 11 65 8b 15 f9 55 2e 11 81 e2 00 01 ff 00 74 RSP: 0000:ffffc90000007058 EFLAGS: 00000046 RAX: ffffffff81f574d9 RBX: 0000000000000008 RCX: ffff8880202dbd00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007150 R08: ffff8880202dbd07 R09: 1ffff1100405b7a0 R10: dffffc0000000000 R11: ffffed100405b7a1 R12: ffffc90000007540 R13: dffffc0000000000 R14: 0000000000083248 R15: 1ffff92000000ea8 FS: 00007f498f4ae6c0(0000) GS:ffff8881256f3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0afb18e080 CR3: 00000000952b8000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: perf_prepare_sample+0xbc9/0x22d0 kernel/events/core.c:8349 __perf_event_output kernel/events/core.c:8513 [inline] perf_event_output_forward+0x17d/0x480 kernel/events/core.c:8534 __perf_event_overflow+0x87a/0xec0 kernel/events/core.c:10470 perf_swevent_overflow kernel/events/core.c:10545 [inline] perf_swevent_event+0x323/0x650 kernel/events/core.c:-1 perf_tp_event+0x571/0x29b0 kernel/events/core.c:11090 perf_trace_run_bpf_submit+0xee/0x170 kernel/events/core.c:11014 do_perf_trace_preemptirq_template include/trace/events/preemptirq.h:14 [inline] perf_trace_preemptirq_template+0x268/0x340 include/trace/events/preemptirq.h:14 __do_trace_irq_enable include/trace/events/preemptirq.h:40 [inline] trace_irq_enable+0xd4/0x100 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:73 irqentry_exit+0x59c/0x620 kernel/entry/common.c:219 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__alloc_skb+0x2f6/0x390 net/core/skbuff.c:722 Code: c0 0f 85 92 00 00 00 c7 03 01 00 00 00 65 48 8b 05 bf a5 91 09 48 3b 44 24 08 75 44 4c 89 f0 48 83 c4 10 5b 41 5c 41 5d 41 5e <41> 5f 5d c3 cc cc cc cc cc e8 9c 4f 63 f8 4c 89 ff 4c 89 f6 e8 e1 RSP: 0000:ffffc900000079b0 EFLAGS: 00000286 RAX: ffff888078754780 RBX: ffff888032e99d90 RCX: ffff8880202dbd00 RDX: 0000000000000100 RSI: 0000000000000004 RDI: ffff888032e9a220 RBP: 0000000000000000 R08: ffff888032e9a223 R09: 1ffff110065d3444 R10: dffffc0000000000 R11: ffffed10065d3445 R12: ffff888078754000 R13: dffffc0000000000 R14: 0000000000000180 R15: 1ffff1100f0ea8ff skb_copy+0x188/0x800 net/core/skbuff.c:2163 mac80211_hwsim_tx_frame_no_nl+0xd00/0x11f0 drivers/net/wireless/virtual/mac80211_hwsim.c:1891 mac80211_hwsim_tx_frame+0x1b5/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2264 mac80211_hwsim_beacon_tx+0x3e8/0x870 drivers/net/wireless/virtual/mac80211_hwsim.c:2365 __iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/virtual/mac80211_hwsim.c:2395 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x527/0xc30 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1858 handle_softirqs+0x22a/0x7c0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__schedule+0x1548/0x51d0 kernel/sched/core.c:6878 Code: ee 52 9b f5 48 89 c7 e8 96 b3 fb f5 31 ff 4d 39 ec 40 0f 95 c7 e8 b8 bc fb f5 48 8b 84 24 d8 00 00 00 66 42 c7 44 30 0c f8 f8 <48> c7 84 24 20 01 00 00 0e 36 e0 45 4a c7 04 30 00 00 00 00 4a c7 RSP: 0000:ffffc9000c8cf140 EFLAGS: 00000202 RAX: 1ffff92001919e4c RBX: ffff8880b863a910 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff8c073ae0 RDI: ffffffff8c073aa0 RBP: ffffc9000c8cf330 R08: ffffffff8fef2077 R09: 1ffffffff1fde40e R10: dffffc0000000000 R11: fffffbfff1fde40f R12: ffff8880202dbd00 R13: ffff88802bd98000 R14: dffffc0000000000 R15: 1ffff110170c7686 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7051 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __put_partials+0x10e/0x170 mm/slub.c:3879 __slab_free+0x294/0x320 mm/slub.c:5956 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5263 [inline] __do_kmalloc_node mm/slub.c:5656 [inline] __kvmalloc_node_noprof+0x548/0x8d0 mm/slub.c:7144 bpf_stack_liveness_init+0x29/0x90 kernel/bpf/liveness.c:220 bpf_check+0x217c/0x1c4c0 kernel/bpf/verifier.c:25240 bpf_prog_load+0x1484/0x1ae0 kernel/bpf/syscall.c:3088 __sys_bpf+0x570/0x920 kernel/bpf/syscall.c:6164 __do_sys_bpf kernel/bpf/syscall.c:6274 [inline] __se_sys_bpf kernel/bpf/syscall.c:6272 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f498e59bf79 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f498f4ae028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f498e815fa0 RCX: 00007f498e59bf79 RDX: 0000000000000094 RSI: 00002000000000c0 RDI: 0000000000000005 RBP: 00007f498e6327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f498e816038 R14: 00007f498e815fa0 R15: 00007ffebaa21fb8