watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.4.65:5507] Modules linked in: irq event stamp: 12164739 hardirqs last enabled at (12164738): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (12164739): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1037 softirqs last enabled at (11788954): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (11788954): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (11788954): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (11788959): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (11788959): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (11788959): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 0 UID: 0 PID: 5507 Comm: syz.4.65 Not tainted 6.11.0-syzkaller-10575-g9502a7de5a61 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:in_gate_area_no_mm+0x14/0x60 arch/x86/entry/vsyscall/vsyscall_64.c:321 Code: cc 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 53 48 89 fb e8 42 00 94 00 8b 2d fc 4a 30 0d 02 00 00 00 89 ee e8 70 04 94 00 83 fd 02 40 0f 95 c5 48 81 e3 RSP: 0018:ffffc90000007318 EFLAGS: 00000246 RAX: ffffffff8100b4fe RBX: 00007fa9bf17dff9 RCX: ffff88802e71da00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 00007fa9bf17dff9 RBP: 0000000000000001 R08: 0000000000000021 R09: ffffc90000007470 R10: ffffc900000073d0 R11: ffffffff81806870 R12: ffff88802e71da00 R13: ffffffff81806870 R14: dffffc0000000000 R15: 1ffff92000000e79 FS: 00007fa9bebff6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020273000 CR3: 00000000317dc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel_text include/linux/kallsyms.h:31 [inline] core_kernel_text kernel/extable.c:68 [inline] kernel_text_address+0x30/0xe0 kernel/extable.c:99 __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:247 [inline] slab_post_alloc_hook mm/slub.c:4086 [inline] slab_alloc_node mm/slub.c:4135 [inline] kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4187 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:668 skb_copy+0x19d/0x9c0 net/core/skbuff.c:2159 mac80211_hwsim_tx_frame_no_nl+0x106b/0x18d0 drivers/net/wireless/virtual/mac80211_hwsim.c:1866 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2215 mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2315 __iterate_interfaces+0x222/0x510 net/mac80211/util.c:774 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:810 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1772 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_schedule+0x0/0xf0 kernel/sched/core.c:6871 Code: 00 00 e8 13 9f 96 f5 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 48 89 e5 41 57 41 56 41 54 53 48 83 e4 e0 48 83 ec RSP: 0018:ffffc90008f1f730 EFLAGS: 00010283 RAX: ffffffff8188d3c4 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000a16a000 RSI: 0000000000007ac6 RDI: 0000000000007ac7 RBP: ffffc90008f1f780 R08: ffffffff8188d3a9 R09: 1ffffffff284d0f8 R10: dffffc0000000000 R11: fffffbfff284d0f9 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff901ce1e8 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 on_each_cpu_cond_mask+0x79/0x80 kernel/smp.c:1052 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:2085 [inline] text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2295 text_poke_flush arch/x86/kernel/alternative.c:2486 [inline] text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2493 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 tracepoint_add_func+0x953/0x9e0 kernel/tracepoint.c:361 tracepoint_probe_register_prio kernel/tracepoint.c:511 [inline] tracepoint_probe_register+0x105/0x160 kernel/tracepoint.c:531 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x478/0x930 kernel/trace/trace_event_perf.c:202 perf_trace_init+0x243/0x2e0 kernel/trace/trace_event_perf.c:226 perf_tp_event_init+0x8d/0x110 kernel/events/core.c:10358 perf_try_init_event+0x146/0x810 kernel/events/core.c:11892 perf_init_event kernel/events/core.c:11978 [inline] perf_event_alloc+0x135f/0x2310 kernel/events/core.c:12260 __do_sys_perf_event_open kernel/events/core.c:12767 [inline] __se_sys_perf_event_open+0xb1f/0x3870 kernel/events/core.c:12658 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: 0033:0x7fa9bf17dff9 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:00007fa9bebff038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fa9bf335f80 RCX: 00007fa9bf17dff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fa9bf1f0296 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa9bf335f80 R15: 00007ffd01cb1f68 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5509 Comm: syz.2.66 Not tainted 6.11.0-syzkaller-10575-g9502a7de5a61 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:430 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x781/0xdb0 kernel/locking/qspinlock.c:508 Code: ff 42 0f b6 04 2b 84 c0 75 6c 66 c7 84 24 b0 00 00 00 00 01 48 8b 44 24 40 42 0f b6 04 28 84 c0 75 77 41 80 3e 00 74 0c f3 90 <41> ff c4 75 d2 e9 a0 00 00 00 4c 89 f7 be 02 00 00 00 e8 98 3b 30 RSP: 0018:ffffc90000a18700 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 1ffff920001430f6 RCX: ffffc90000a18701 RDX: 0000000000000100 RSI: ffffffff8c0aca40 RDI: ffffffff8c610420 RBP: ffffc90000a18838 R08: ffffffff9426882f R09: 1ffffffff284d105 R10: dffffc0000000000 R11: fffffbfff284d106 R12: 00000000ffffaf4b R13: dffffc0000000000 R14: ffffffff8f534f40 R15: ffffc90000a187c0 FS: 00007fe85d0c96c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32911ff8 CR3: 000000002f80c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116 spin_lock include/linux/spinlock.h:351 [inline] mac80211_hwsim_tx_frame_no_nl+0x982/0x18d0 drivers/net/wireless/virtual/mac80211_hwsim.c:1817 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2215 mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2315 __iterate_interfaces+0x222/0x510 net/mac80211/util.c:774 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:810 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1772 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5189 Code: c9 50 e8 79 fa 0b 00 48 83 c4 08 4c 89 f7 e8 4d 39 00 00 0f 1f 44 00 00 4c 89 f7 e8 80 e6 69 0a e8 fb 59 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc RSP: 0018:ffffc9000580f128 EFLAGS: 00000282 RAX: 2bfa7884d1596b00 RBX: ffff888022b9da00 RCX: ffffffff8170892a RDX: dffffc0000000000 RSI: ffffffff8c0aca40 RDI: ffffffff8c610420 RBP: ffffc9000580f170 R08: ffffffff94268807 R09: 1ffffffff284d100 R10: dffffc0000000000 R11: fffffbfff284d101 R12: 1ffff110170e7f14 R13: dffffc0000000000 R14: ffff8880b873ea80 R15: ffff8880b873f8a0 context_switch kernel/sched/core.c:5318 [inline] __schedule+0x189d/0x4b30 kernel/sched/core.c:6675 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6997 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:tomoyo_check_path_number_acl+0x5/0x280 security/tomoyo/file.c:277 Code: fb ff ff e8 7d 50 53 07 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <41> 57 41 56 41 55 41 54 53 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 RSP: 0018:ffffc9000580f4f0 EFLAGS: 00000246 RAX: 0000000000000002 RBX: 0000000000000002 RCX: 0000000000040000 RDX: ffff888022b9da00 RSI: ffff888142e97b80 RDI: ffffc9000580f640 RBP: 0000000000000002 R08: ffffffff8470964a R09: ffffffff84723cdc R10: 0000000000000002 R11: ffffffff8470f3f0 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff888142e97b80 R15: ffff888028f5f490 tomoyo_check_acl+0x12e/0x3f0 security/tomoyo/domain.c:175 tomoyo_path_number_perm+0x459/0x880 security/tomoyo/file.c:733 tomoyo_path_mknod+0x176/0x1b0 security/tomoyo/tomoyo.c:252 security_path_mknod+0x181/0x3a0 security/security.c:1893 may_o_create fs/namei.c:3414 [inline] lookup_open fs/namei.c:3558 [inline] open_last_lookups fs/namei.c:3694 [inline] path_openat+0xe2f/0x3590 fs/namei.c:3930 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 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: 0033:0x7fe85c37dff9 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:00007fe85d0c9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe85c535f80 RCX: 00007fe85c37dff9 RDX: 00000000000026e1 RSI: 0000000020000280 RDI: ffffffffffffff9c RBP: 00007fe85c3f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe85c535f80 R15: 00007ffdb631ba28