watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz.5.399:7595] Modules linked in: irq event stamp: 15366071 hardirqs last enabled at (15366070): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (15366071): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (15067666): [] __do_softirq kernel/softirq.c:613 [inline] softirqs last enabled at (15067666): [] invoke_softirq kernel/softirq.c:453 [inline] softirqs last enabled at (15067666): [] __irq_exit_rcu+0xfb/0x220 kernel/softirq.c:680 softirqs last disabled at (15067669): [] __do_softirq kernel/softirq.c:613 [inline] softirqs last disabled at (15067669): [] invoke_softirq kernel/softirq.c:453 [inline] softirqs last disabled at (15067669): [] __irq_exit_rcu+0xfb/0x220 kernel/softirq.c:680 CPU: 0 UID: 0 PID: 7595 Comm: syz.5.399 Not tainted 6.14.0-syzkaller-ga27a97f71394 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:seqcount_lockdep_reader_access+0x1e2/0x230 include/linux/seqlock.h:75 Code: 00 4d 85 ff 75 16 e8 ed 6b 12 00 eb 15 e8 e6 6b 12 00 e8 71 36 7f 0a 4d 85 ff 74 ea e8 d7 6b 12 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 66 43 c7 44 25 09 00 00 43 c6 44 25 0b RSP: 0018:ffffc900000079c0 EFLAGS: 00000246 RAX: ffffffff81b0eba9 RBX: 0000000000000000 RCX: ffff888058c1da00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007a68 R08: ffffffff81b0eb7f R09: 1ffffffff20bf9ee R10: dffffc0000000000 R11: fffffbfff20bf9ef R12: 1ffff92000000f38 R13: dffffc0000000000 R14: 0000000000000046 R15: 0000000000000200 FS: 00007f0ee677c6c0(0000) GS:ffff888124f97000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f103fbf9f98 CR3: 000000004fcf0000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ktime_get_with_offset+0x8d/0x2a0 kernel/time/timekeeping.c:807 ktime_get_real include/linux/timekeeping.h:87 [inline] mac80211_hwsim_get_tsf_raw drivers/net/wireless/virtual/mac80211_hwsim.c:1208 [inline] __mac80211_hwsim_beacon_tx+0x2ec/0x700 drivers/net/wireless/virtual/mac80211_hwsim.c:2252 mac80211_hwsim_beacon_tx+0x3c4/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2317 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2347 __run_hrtimer kernel/time/hrtimer.c:1791 [inline] __hrtimer_run_queues+0x5a6/0xd40 kernel/time/hrtimer.c:1855 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1872 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xfb/0x220 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 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:preempt_schedule_irq+0xf9/0x1c0 kernel/sched/core.c:7090 Code: 89 fe 49 c1 ee 03 eb 0d 48 f7 03 08 00 00 00 0f 84 89 00 00 00 bf 01 00 00 00 e8 a2 35 5f f5 e8 ad f5 99 f5 fb bf 01 00 00 00 32 a5 ff ff 43 80 3c 26 00 74 08 4c 89 ff e8 13 2c fc f5 48 c7 RSP: 0018:ffffc9000af87700 EFLAGS: 00000282 RAX: f21f2da75775e600 RBX: 1ffff920015f0ee8 RCX: 0000000000000006 RDX: 0000000000000006 RSI: ffffffff8e69b349 RDI: 0000000000000001 RBP: ffffc9000af877b0 R08: ffffffff905fcf77 R09: 1ffffffff20bf9ee R10: dffffc0000000000 R11: fffffbfff20bf9ef R12: dffffc0000000000 R13: 1ffff920015f0ee0 R14: 1ffff920015f0ee4 R15: ffffc9000af87720 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:insn_get_prefixes+0xb8/0x1ac0 arch/x86/lib/insn.c:-1 Code: 6f 68 49 8d 4d 01 49 8d 6f 60 48 89 e8 48 c1 e8 03 48 89 44 24 38 80 3c 18 00 74 0e 48 89 cb 48 89 ef e8 3b 32 fe f5 48 89 d9 <48> 89 6c 24 30 4c 8b 75 00 4c 39 f1 4c 89 3c 24 4c 89 64 24 10 0f RSP: 0018:ffffc9000af87870 EFLAGS: 00000246 RAX: 1ffff920015f0f80 RBX: dffffc0000000000 RCX: ffffffff81e8cd0e RDX: ffff888058c1da00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000af87c00 R08: ffffffff8c2f4c9c R09: 0000000000000000 R10: ffffc9000af87ba0 R11: fffff520015f0f82 R12: ffffc9000af87c08 R13: ffffffff81e8cd0d R14: 0000000000000000 R15: ffffc9000af87ba0 insn_get_opcode+0x67/0xe80 arch/x86/lib/insn.c:282 insn_get_modrm+0x63/0x740 arch/x86/lib/insn.c:369 insn_get_sib arch/x86/lib/insn.c:443 [inline] insn_get_displacement+0x151/0x9a0 arch/x86/lib/insn.c:484 insn_get_immediate+0x62/0x11f0 arch/x86/lib/insn.c:650 insn_get_length arch/x86/lib/insn.c:723 [inline] insn_decode+0x30b/0x4e0 arch/x86/lib/insn.c:762 arch_jump_entry_size arch/x86/kernel/jump_label.c:24 [inline] __jump_label_patch+0xea/0x490 arch/x86/kernel/jump_label.c:45 arch_jump_label_transform_queue+0x68/0x100 arch/x86/kernel/jump_label.c:137 __jump_label_update+0x17f/0x3b0 kernel/jump_label.c:513 static_key_slow_inc_cpuslocked+0x80/0xf0 kernel/jump_label.c:168 static_key_slow_inc+0x1a/0x30 kernel/jump_label.c:191 bpf_enable_runtime_stats kernel/bpf/syscall.c:5665 [inline] bpf_enable_stats+0xfe/0x140 kernel/bpf/syscall.c:5684 __sys_bpf+0x86f/0x8b0 kernel/bpf/syscall.c:5917 __do_sys_bpf kernel/bpf/syscall.c:5941 [inline] __se_sys_bpf kernel/bpf/syscall.c:5939 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5939 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0ee598e169 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:00007f0ee677c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0ee5bb5fa0 RCX: 00007f0ee598e169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 RBP: 00007f0ee5a10a68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0ee5bb5fa0 R15: 00007ffc28435d78 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5834 Comm: syz-executor Not tainted 6.14.0-syzkaller-ga27a97f71394 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline] RIP: 0010:smp_call_function_many_cond+0x1bb6/0x2d40 kernel/smp.c:885 Code: 89 e6 83 e6 01 31 ff e8 c8 e2 0b 00 41 83 e4 01 4c 8b 64 24 68 75 07 e8 78 de 0b 00 eb 41 f3 90 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 03 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 53 de 0b RSP: 0018:ffffc9000423f380 EFLAGS: 00000293 RAX: dffffc0000000000 RBX: 1ffff110170c823d RCX: ffff88802e963c00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000423f580 R08: ffffffff81b778f8 R09: 1ffffffff20bf9ee R10: dffffc0000000000 R11: fffffbfff20bf9ef R12: ffff8880b873ad08 R13: ffff8880b86411e8 R14: ffff8880b873ad00 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125097000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8be5eee050 CR3: 000000007e140000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052 __flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline] flush_tlb_multi arch/x86/mm/tlb.c:1275 [inline] flush_tlb_mm_range+0xb8d/0x13f0 arch/x86/mm/tlb.c:1365 tlb_flush arch/x86/include/asm/tlb.h:23 [inline] tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:480 [inline] tlb_flush_mmu+0x1aa/0x690 mm/mmu_gather.c:403 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:496 exit_mmap+0x5b1/0xde0 mm/mmap.c:1297 __mmput+0x115/0x420 kernel/fork.c:1379 exit_mm+0x221/0x310 kernel/exit.c:589 do_exit+0x994/0x27f0 kernel/exit.c:940 do_group_exit+0x207/0x2c0 kernel/exit.c:1102 get_signal+0x1696/0x1730 kernel/signal.c:3034 arch_do_signal_or_restart+0x98/0x840 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f72e9584393 Code: Unable to access opcode bytes at 0x7f72e9584369. RSP: 002b:00007ffd19db7508 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: fffffffffffffe00 RBX: 00000000000016d2 RCX: 00007f72e9584393 RDX: 0000000040000000 RSI: 00007ffd19db751c RDI: 00000000ffffffff RBP: 00007ffd19db751c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000