RBP: 00007fda36215fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fda36216038 R14: 00007ffd7460c5e0 R15: 00007ffd7460c6c8 watchdog: BUG: soft lockup - CPU#0 stuck for 245s! [syz.9.1539:11610] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x288a/0x7ff0 kernel/fork.c:2232 softirqs last enabled at (0): [] copy_process+0x28de/0x7ff0 kernel/fork.c:2233 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 0 UID: 0 PID: 11610 Comm: syz.9.1539 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:get_current arch/x86/include/asm/current.h:23 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xf/0x70 kernel/kcov.c:216 Code: 00 00 00 5b e9 b2 0d f4 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 e5 71 06 12 48 8b 34 24 <65> 48 8b 15 c1 71 06 12 a9 00 01 ff 00 74 1b f6 c4 01 74 07 a9 00 RSP: 0018:ffffc90008b2f648 EFLAGS: 00000202 RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff81fcc8bd RDX: 0000000000000001 RSI: ffffffff81fcc897 RDI: ffff888050701f00 RBP: ffff8880b85411c0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000003 R13: ffffed10170a8239 R14: 0000000000000001 R15: ffff8880b843c840 FS: 0000000000000000(0000) GS:ffff888124323000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e922ff8 CR3: 0000000066de7000 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+0x587/0x16c0 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+0x454/0xa00 mm/mmap.c:1313 __mmput+0x12a/0x410 kernel/fork.c:1181 mmput+0x67/0x80 kernel/fork.c:1204 exit_mm kernel/exit.c:610 [inline] do_exit+0x8b1/0x2ae0 kernel/exit.c:992 do_group_exit+0xd5/0x2a0 kernel/exit.c:1147 get_signal+0x1ec7/0x21e0 kernel/signal.c:3038 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline] exit_to_user_mode_loop+0x139/0x6f0 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x666/0x870 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fda35f9ce59 Code: Unable to access opcode bytes at 0x7fda35f9ce2f. RSP: 002b:00007fda36e330e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fda36215fa8 RCX: 00007fda35f9ce59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fda36215fa8 RBP: 00007fda36215fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fda36216038 R14: 00007ffd7460c5e0 R15: 00007ffd7460c6c8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 11611 Comm: syz.0.1536 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:check_region_inline mm/kasan/generic.c:185 [inline] RIP: 0010:kasan_check_range+0x15/0x1e0 mm/kasan/generic.c:200 Code: 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 85 f6 0f 84 7a 01 00 00 48 89 f8 41 54 41 89 d0 <48> 01 f0 55 53 0f 82 e6 00 00 00 eb 0f cc cc cc 48 b8 00 00 00 00 RSP: 0018:ffffc90000a08ce8 EFLAGS: 00000002 RAX: ffffc90000a08d20 RBX: ffffffff9b3dc3a0 RCX: ffffffff81e54168 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000a08d20 RBP: ffffffff9b3dc3a8 R08: 0000000000000001 R09: fffffbfff367b874 R10: ffffffff9b3dc3a3 R11: 0000000000000001 R12: 1ffff920001411a0 R13: ffffffff9b3dc3b0 R14: ffff88802a275300 R15: 1ffff920001411b8 FS: 00007fbee78a06c0(0000) GS:ffff888124423000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558ae15d3060 CR3: 0000000066de7000 CR4: 0000000000350ef0 Call Trace: instrument_read_write include/linux/instrumented.h:55 [inline] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1301 [inline] queued_spin_lock include/asm-generic/qspinlock.h:111 [inline] do_raw_spin_lock+0x128/0x260 kernel/locking/spinlock_debug.c:116 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock_irqsave+0x42/0x60 kernel/locking/spinlock.c:166 debug_object_deactivate+0x135/0x3b0 lib/debugobjects.c:928 debug_hrtimer_deactivate kernel/time/hrtimer.c:490 [inline] __run_hrtimer kernel/time/hrtimer.c:2000 [inline] __hrtimer_run_queues+0x2e9/0x9c0 kernel/time/hrtimer.c:2096 hrtimer_interrupt+0x3e5/0x940 kernel/time/hrtimer.c:2215 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline] __sysvec_apic_timer_interrupt+0x109/0x470 arch/x86/kernel/apic/apic.c:1068 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0x9e/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:percpu_down_read_internal include/linux/percpu-rwsem.h:64 [inline] RIP: 0010:percpu_down_read include/linux/percpu-rwsem.h:77 [inline] RIP: 0010:cpus_read_lock+0x6c/0x170 kernel/cpu.c:490 Code: bf 01 00 00 00 e8 b4 50 0e 00 e8 cf cc cd 09 31 ff 89 c3 89 c6 e8 84 f3 42 00 58 85 db 75 5d e8 ca f8 42 00 8b 1d 64 1b a1 0c <31> ff 89 de e8 6b f3 42 00 85 db 0f 85 bd 00 00 00 e8 ae f8 42 00 RSP: 0018:ffffc90009d0fb50 EFLAGS: 00000283 RAX: 00000000000001fd RBX: 0000000000000000 RCX: ffffc9001434d000 RDX: 0000000000080000 RSI: ffffffff81c66576 RDI: ffff888033323e00 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff920013a1f77 R14: ffffc90009d0fc80 R15: ffff8880333247e8 class_cpus_read_lock_constructor include/linux/cpuhplock.h:49 [inline] clock_was_set+0x96/0x850 kernel/time/hrtimer.c:988 do_adjtimex+0x302/0x370 kernel/time/timekeeping.c:3005 do_clock_adjtime kernel/time/posix-timers.c:1169 [inline] __do_sys_clock_adjtime+0x177/0x290 kernel/time/posix-timers.c:1181 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbee699ce59 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:00007fbee78a0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 00007fbee6c16180 RCX: 00007fbee699ce59 RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000000 RBP: 00007fbee6a32e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fbee6c16218 R14: 00007fbee6c16180 R15: 00007ffec1d94268