watchdog: BUG: soft lockup - CPU#0 stuck for 117s! [syz.2.628:8369] Modules linked in: irq event stamp: 10171971 hardirqs last enabled at (10171970): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (10171971): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (10145394): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (10145394): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (10145394): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655 softirqs last disabled at (10145397): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (10145397): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (10145397): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655 CPU: 0 UID: 0 PID: 8369 Comm: syz.2.628 Not tainted 6.13.0-rc2-syzkaller-00044-gf4f25b689b0d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:preempt_count_add+0x34/0x190 kernel/sched/core.c:5843 Code: fb 48 c7 c0 c0 89 3a 9a 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df 42 0f b6 04 38 84 c0 0f 85 ed 00 00 00 83 3d cc 18 cd 18 00 <75> 07 65 8b 05 0b 65 96 7e 65 01 1d 04 65 96 7e 48 c7 c0 c0 89 3a RSP: 0018:ffffc90000007360 EFLAGS: 00000246 RAX: 0000000000000004 RBX: 0000000000000001 RCX: ffffffff9a3a8903 RDX: ffff88802f06da00 RSI: ffffffff8c5f9920 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff810a464d R09: ffffc900000074f0 R10: ffffc90000007450 R11: ffffffff818b2450 R12: ffff88802f06da00 R13: ffffffff818b2450 R14: 00007f4a60d85d19 R15: dffffc0000000000 FS: 00007f4a61c326c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9a3de83b0 CR3: 00000000280d0000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: is_module_text_address+0x1a/0x140 kernel/module/main.c:3723 kernel_text_address+0x96/0xe0 kernel/extable.c:119 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0xfd/0x150 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:319 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4104 [inline] slab_alloc_node mm/slub.c:4153 [inline] kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4205 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:668 __netdev_alloc_skb+0x103/0xa00 net/core/skbuff.c:742 netdev_alloc_skb include/linux/skbuff.h:3402 [inline] dev_alloc_skb include/linux/skbuff.h:3415 [inline] __ieee80211_beacon_get+0x998/0x15c0 net/mac80211/tx.c:5474 ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5632 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:775 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:811 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655 irq_exit_rcu+0x9/0x30 kernel/softirq.c:671 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0xa3/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:raw_spin_rq_unlock_irq+0x19/0x90 kernel/sched/sched.h:1527 Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 48 89 fb 66 90 48 89 df e8 ae 31 5b 0a e8 f9 7f 37 00 fb 5b <41> 5e 41 5f c3 cc cc cc cc f3 0f 1e fa 49 bf 00 00 00 00 00 fc ff RSP: 0018:ffffc9000c796a28 EFLAGS: 00000282 RAX: be02a237a1ee7e00 RBX: ffff8880b863e8c0 RCX: ffffffff817b11ca RDX: dffffc0000000000 RSI: ffffffff8c0a9760 RDI: ffffffff8c5f9940 RBP: ffffc9000c796c50 R08: ffffffff942a18b7 R09: 1ffffffff2854316 R10: dffffc0000000000 R11: fffffbfff2854317 R12: ffffc9000c796bd0 R13: 1ffff110170c7ed9 R14: ffff88802f06da00 R15: ffff88802f06e170 __schedule+0x1a09/0x4c30 kernel/sched/core.c:6760 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:put_cpu_partial+0x1b4/0x250 mm/slub.c:3216 Code: 0f 85 b4 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 d8 47 cd 09 f7 c3 00 02 00 00 74 bc fb 4d 85 e4 <75> bb eb c4 90 e8 a2 c9 c3 02 85 c0 74 22 83 3d 1b c6 1e 0e 00 75 RSP: 0018:ffffc9000c796de8 EFLAGS: 00000246 RAX: be02a237a1ee7e00 RBX: 0000000000000286 RCX: ffffffff817b11ca RDX: dffffc0000000000 RSI: ffffffff8c0a9760 RDI: ffffffff8c5f9940 RBP: 0000000000000000 R08: ffffffff942a18b7 R09: 1ffffffff2854316 R10: dffffc0000000000 R11: fffffbfff2854317 R12: 0000000000000000 R13: ffffea000094ac00 R14: ffff88802f06da00 R15: ffff88801ac42140 __slab_free+0x290/0x380 mm/slub.c:4468 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4104 [inline] slab_alloc_node mm/slub.c:4153 [inline] __kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4309 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] do_check_common+0xe6/0x2030 kernel/bpf/verifier.c:22052 do_check_main kernel/bpf/verifier.c:22243 [inline] bpf_check+0x19380/0x1f1b0 kernel/bpf/verifier.c:22960 bpf_prog_load+0x1667/0x20f0 kernel/bpf/syscall.c:2947 __sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5790 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline] __se_sys_bpf kernel/bpf/syscall.c:5895 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4a60d85d19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4a61c32038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f4a60f75fa0 RCX: 00007f4a60d85d19 RDX: 0000000000000014 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 00007f4a60e01a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4a60f75fa0 R15: 00007ffd8d5edb98 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 7813 Comm: kworker/u8:27 Not tainted 6.13.0-rc2-syzkaller-00044-gf4f25b689b0d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline] RIP: 0010:smp_call_function_many_cond+0x19f3/0x2c60 kernel/smp.c:884 Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 56 e9 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 01 e5 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 e5 e4 RSP: 0018:ffffc90003c476e0 EFLAGS: 00000293 RAX: ffffffff8193795b RBX: 1ffff110170c8c89 RCX: ffff888031e9bc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90003c478e0 R08: ffffffff8193792a R09: 1ffffffff2854310 R10: dffffc0000000000 R11: fffffbfff2854311 R12: dffffc0000000000 R13: ffff8880b8646448 R14: ffff8880b873fac0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007eff531c7270 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000020000300 DR2: 0000000020000300 DR3: 0000000020000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:2114 [inline] text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2324 text_poke_flush arch/x86/kernel/alternative.c:2515 [inline] text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2522 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_disable_cpuslocked+0xd2/0x1c0 kernel/jump_label.c:240 static_key_disable+0x1a/0x20 kernel/jump_label.c:248 toggle_allocation_gate+0x1bf/0x260 mm/kfence/core.c:854 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244