RBP: 0000000000000001 R08: 00007ffd9f7ba7b8 R09: 0000000000000000 R10: 00007ffd9f7ba650 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f1a7f200680 R15: 00007f1a7f202000 watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [modprobe:19065] Modules linked in: irq event stamp: 942600 hardirqs last enabled at (942599): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:515 [inline] hardirqs last enabled at (942599): [] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:550 [inline] hardirqs last enabled at (942599): [] irqentry_exit+0x246/0x790 kernel/entry/common.c:164 hardirqs last disabled at (942600): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1061 softirqs last enabled at (942598): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last enabled at (942598): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last enabled at (942598): [] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 softirqs last disabled at (942577): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (942577): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (942577): [] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 CPU: 1 UID: 0 PID: 19065 Comm: modprobe Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210 Code: 16 7a 5a 00 48 89 df 5b e9 5d fa 5f 00 be 03 00 00 00 5b e9 a2 13 ed 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 05 65 9c 09 12 48 8b 34 24 65 48 8b 15 41 9c 09 RSP: 0018:ffffc90004f078a0 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81fc376d RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88802d4c1ec0 RBP: ffff8880b8443140 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003 R13: ffffed1017088629 R14: 0000000000000001 R15: ffff8880b853c6c0 FS: 0000000000000000(0000) GS:ffff8881243fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564f80755660 CR3: 0000000090f85000 CR4: 0000000000350ef0 Call Trace: native_pause arch/x86/include/asm/vdso/processor.h:13 [inline] cpu_relax arch/x86/include/asm/vdso/processor.h:18 [inline] csd_lock_wait kernel/smp.c:342 [inline] smp_call_function_many_cond+0x587/0x1500 kernel/smp.c:892 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1057 __flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline] flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline] flush_tlb_mm_range+0x45f/0x16f0 arch/x86/mm/tlb.c:1451 tlb_flush arch/x86/include/asm/tlb.h:23 [inline] tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:509 [inline] tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:499 [inline] tlb_flush_mmu mm/mmu_gather.c:423 [inline] tlb_finish_mmu+0x3fe/0x810 mm/mmu_gather.c:549 exit_mmap+0x454/0xa10 mm/mmap.c:1313 __mmput+0x12a/0x410 kernel/fork.c:1177 mmput+0x67/0x80 kernel/fork.c:1200 exit_mm kernel/exit.c:581 [inline] do_exit+0x833/0x2a60 kernel/exit.c:965 do_group_exit+0xd5/0x2a0 kernel/exit.c:1119 __do_sys_exit_group kernel/exit.c:1130 [inline] __se_sys_exit_group kernel/exit.c:1128 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1128 x64_sys_call+0x102c/0x1530 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1a7f1006c5 Code: Unable to access opcode bytes at 0x7f1a7f10069b. RSP: 002b:00007ffd9f7ba828 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f1a7f201fe8 RCX: 00007f1a7f1006c5 RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001 RBP: 0000000000000001 R08: 00007ffd9f7ba7b8 R09: 0000000000000000 R10: 00007ffd9f7ba650 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f1a7f200680 R15: 00007f1a7f202000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 19056 Comm: modprobe Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210 Code: 16 7a 5a 00 48 89 df 5b e9 5d fa 5f 00 be 03 00 00 00 5b e9 a2 13 ed 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 05 65 9c 09 12 48 8b 34 24 65 48 8b 15 41 9c 09 RSP: 0018:ffffc90000007dd0 EFLAGS: 00000002 RAX: 0000000000010001 RBX: 0000000000000001 RCX: ffffffff899cb3e7 RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88807dc31ec0 RBP: ffff888032c96800 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 18a7253f0dafcb9b R13: 18a7253f0dafcb9b R14: 0000000000000000 R15: ffff888032c94c00 FS: 0000000000000000(0000) GS:ffff8881242fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1a7efa1e9c CR3: 000000008c1e9000 CR4: 0000000000350ef0 Call Trace: advance_sched+0x6b7/0xc80 net/sched/sch_taprio.c:992 __run_hrtimer kernel/time/hrtimer.c:1930 [inline] __hrtimer_run_queues+0x470/0xa00 kernel/time/hrtimer.c:1994 hrtimer_interrupt+0x3e5/0x940 kernel/time/hrtimer.c:2113 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] __sysvec_apic_timer_interrupt+0x10b/0x460 arch/x86/kernel/apic/apic.c:1067 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline] sysvec_apic_timer_interrupt+0x9e/0xc0 arch/x86/kernel/apic/apic.c:1061 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:179 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:198 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 16 79 4d f6 48 89 df e8 ee c8 4d f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 c5 9d 3d f6 65 8b 05 2e 1f 7b 08 85 c0 74 16 5b RSP: 0018:ffffc90003b476e8 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffffffff8e7f22c0 RCX: 0000000000000080 RDX: 0000000000000000 RSI: ffffffff8df4bd52 RDI: ffffffff8c1be6e0 RBP: 0000000000000246 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 1ffffffff1cfe471 R12: ffffffff8e7f2398 R13: ffff88807acbc250 R14: ffffffff8e7f22c0 R15: ffff88807dc31ec0 rcu_preempt_deferred_qs_irqrestore+0x4fd/0xb90 kernel/rcu/tree_plugin.h:573 rcu_read_unlock_special kernel/rcu/tree_plugin.h:772 [inline] __rcu_read_unlock+0x27f/0x5e0 kernel/rcu/tree_plugin.h:438 rcu_read_unlock include/linux/rcupdate.h:871 [inline] pte_unmap include/linux/pgtable.h:117 [inline] zap_pte_range mm/memory.c:1948 [inline] zap_pmd_range mm/memory.c:2004 [inline] zap_pud_range mm/memory.c:2032 [inline] zap_p4d_range mm/memory.c:2053 [inline] __zap_vma_range+0x22e6/0x4bf0 mm/memory.c:2093 unmap_vmas+0x299/0x5f0 mm/memory.c:2162 exit_mmap+0x1ef/0xa10 mm/mmap.c:1300 __mmput+0x12a/0x410 kernel/fork.c:1177 mmput+0x67/0x80 kernel/fork.c:1200 exit_mm kernel/exit.c:581 [inline] do_exit+0x833/0x2a60 kernel/exit.c:965 do_group_exit+0xd5/0x2a0 kernel/exit.c:1119 __do_sys_exit_group kernel/exit.c:1130 [inline] __se_sys_exit_group kernel/exit.c:1128 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1128 x64_sys_call+0x102c/0x1530 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f328c15b6c5 Code: Unable to access opcode bytes at 0x7f328c15b69b. RSP: 002b:00007fff0fcf19e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f328c25cfe8 RCX: 00007f328c15b6c5 RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001 RBP: 0000000000000001 R08: 00007fff0fcf1978 R09: 0000000000000000 R10: 00007fff0fcf1810 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f328c25b680 R15: 00007f328c25d000