RBP: 00007f39bafe5fa0 R08: 00007f39bbc1d000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f39bafe6038 R14: 00007ffc795f0b90 R15: 00007ffc795f0c78 watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz.3.10148:362] Modules linked in: irq event stamp: 590182 hardirqs last enabled at (590181): [] irqentry_exit+0x3b/0x90 kernel/entry/common.c:214 hardirqs last disabled at (590182): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1052 softirqs last enabled at (590180): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (590180): [] handle_softirqs+0x5be/0x8e0 kernel/softirq.c:650 softirqs last disabled at (590159): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (590159): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (590159): [] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:723 CPU: 0 UID: 0 PID: 362 Comm: syz.3.10148 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline] RIP: 0010:smp_call_function_many_cond+0xe02/0x1600 kernel/smp.c:877 Code: 10 4c 89 74 24 10 49 89 d5 48 89 d5 48 89 54 24 18 49 c1 ed 03 83 e5 07 4d 01 e5 83 c5 03 e8 75 0d 0c 00 f3 90 41 0f b6 45 00 <40> 38 c5 7c 08 84 c0 0f 85 e0 05 00 00 8b 43 08 31 ff 83 e0 01 41 RSP: 0018:ffffc9000fd776f8 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff8880b8540460 RCX: ffffffff81b13c81 RDX: ffff88802826bc80 RSI: ffffffff81b13c5b RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: ffffed10170a808d R14: 0000000000000001 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8881249db000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe74bb156c0 CR3: 0000000057e9d000 CR4: 0000000000350ef0 Call Trace: on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1043 __flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline] flush_tlb_multi arch/x86/mm/tlb.c:1381 [inline] flush_tlb_mm_range+0x4a0/0x17a0 arch/x86/mm/tlb.c:1471 tlb_flush arch/x86/include/asm/tlb.h:23 [inline] tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:490 [inline] tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:480 [inline] tlb_flush_mmu mm/mmu_gather.c:403 [inline] tlb_finish_mmu+0x3c9/0x7c0 mm/mmu_gather.c:497 exit_mmap+0x3fc/0xb90 mm/mmap.c:1293 __mmput+0x12a/0x410 kernel/fork.c:1133 mmput+0x62/0x70 kernel/fork.c:1156 exit_mm kernel/exit.c:582 [inline] do_exit+0x7c7/0x2bf0 kernel/exit.c:954 do_group_exit+0xd3/0x2a0 kernel/exit.c:1107 get_signal+0x2671/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x7c0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x85/0x130 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x426/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f39bad8efc9 Code: Unable to access opcode bytes at 0x7f39bad8ef9f. RSP: 002b:00007f39bbc1c0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f39bafe5fa8 RCX: 00007f39bad8efc9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f39bafe5fac RBP: 00007f39bafe5fa0 R08: 00007f39bbc1d000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f39bafe6038 R14: 00007ffc795f0b90 R15: 00007ffc795f0c78 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 25111 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:get_current arch/x86/include/asm/current.h:25 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216 Code: e9 ed 27 5c 00 be 03 00 00 00 5b e9 72 35 ed 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 34 24 <65> 48 8b 15 38 06 e7 11 65 8b 05 49 06 e7 11 a9 00 01 ff 00 74 1d RSP: 0018:ffffc90000a08d88 EFLAGS: 00000086 RAX: 0000000000010003 RBX: ffff88802bcaa340 RCX: ffffffff89719d8d RDX: ffff88802c5bdac0 RSI: ffffffff89719833 RDI: 0000000000000005 RBP: ffff88807cfda800 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88807cfd9c00 R15: ffffffff89719660 FS: 000055556dd6a500(0000) GS:ffff888124adb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f97023156c0 CR3: 0000000064308000 CR4: 0000000000350ef0 Call Trace: advance_sched+0x1d3/0xc80 net/sched/sch_taprio.c:946 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1841 hrtimer_interrupt+0x397/0x8e0 kernel/time/hrtimer.c:1903 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1041 [inline] __sysvec_apic_timer_interrupt+0x10b/0x3f0 arch/x86/kernel/apic/apic.c:1058 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__nr_to_section include/linux/mmzone.h:1966 [inline] RIP: 0010:__pfn_to_section include/linux/mmzone.h:2104 [inline] RIP: 0010:pfn_valid+0x108/0x4d0 include/linux/mmzone.h:2186 Code: 85 18 4d 85 ed 0f 84 a4 03 00 00 e8 e2 cb 8c ff 4f 8d 64 e5 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 <0f> 85 86 03 00 00 4d 8b 24 24 4d 85 e4 0f 84 72 03 00 00 e8 b0 cb RSP: 0018:ffffc9000fc9f550 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000076d35 RCX: ffffffff82307dac RDX: 1ffff11047ffde80 RSI: ffffffff82307dee RDI: 0000000000000006 RBP: 000000000000000e R08: 0000000000000006 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff88823ffef400 R13: ffff88823ffef400 R14: dffffc0000000000 R15: 0000000000000000 page_table_check_set+0x25/0x750 mm/page_table_check.c:105 __page_table_check_ptes_set+0x318/0x420 mm/page_table_check.c:209 page_table_check_ptes_set include/linux/page_table_check.h:76 [inline] set_ptes include/linux/pgtable.h:292 [inline] __copy_present_ptes mm/memory.c:1100 [inline] copy_present_ptes mm/memory.c:1179 [inline] copy_pte_range mm/memory.c:1302 [inline] copy_pmd_range mm/memory.c:1389 [inline] copy_pud_range mm/memory.c:1426 [inline] copy_p4d_range mm/memory.c:1450 [inline] copy_page_range+0x2a48/0x6930 mm/memory.c:1538 dup_mmap+0xe80/0x2280 mm/mmap.c:1834 dup_mm kernel/fork.c:1489 [inline] copy_mm kernel/fork.c:1541 [inline] copy_process+0x3f0c/0x76a0 kernel/fork.c:2181 kernel_clone+0xfc/0x930 kernel/fork.c:2609 __do_sys_clone+0xce/0x120 kernel/fork.c:2750 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9701585713 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd39c89968 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9701585713 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: 000055556dd6a7d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00000000000927c0 R14: 0000000000159904 R15: 00007ffd39c89b00