RBP: 00007feb04c267b8 R08: 0000000000000000 R09: 0000000000000000 R10: 000055557ca447d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000003 R14: 00007fff9bd6abe8 R15: 0000000000000000 watchdog: BUG: soft lockup - CPU#0 stuck for 262s! [syz-executor:17155] Modules linked in: irq event stamp: 428632 hardirqs last enabled at (428631): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (428631): [] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:542 [inline] hardirqs last enabled at (428631): [] irqentry_exit+0x24d/0xa00 kernel/entry/common.c:167 hardirqs last disabled at (428632): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1062 softirqs last enabled at (428622): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last enabled at (428622): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last enabled at (428622): [] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 softirqs last disabled at (428515): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (428515): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (428515): [] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 CPU: 0 UID: 0 PID: 17155 Comm: syz-executor Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026 RIP: 0010:srso_alias_safe_ret+0x0/0x7 arch/x86/lib/retpoline.S:210 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <48> 8d 64 24 08 c3 cc e8 f4 ff ff ff 0f 0b cc cc cc cc cc cc cc cc RSP: 0018:ffffc9000396f608 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81fd19fd RDX: ffff88807ed29f00 RSI: ffffffff81fd19d7 RDI: ffff88807ed29f00 RBP: ffff8880b8541380 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003 R13: ffffed10170a8271 R14: 0000000000000001 R15: ffff8880b843c9c0 FS: 000055557ca44500(0000) GS:ffff888123dee000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feb04c25f40 CR3: 0000000034eaa000 CR4: 0000000000350ef0 Call Trace: srso_alias_return_thunk+0x5/0xfbef5 arch/x86/lib/retpoline.S:220 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 dup_mmap+0x1307/0x21b0 mm/mmap.c:1905 dup_mm kernel/fork.c:1543 [inline] copy_mm kernel/fork.c:1595 [inline] copy_process+0x4588/0x8030 kernel/fork.c:2289 kernel_clone+0x176/0x9d0 kernel/fork.c:2748 __do_sys_clone+0xd9/0x120 kernel/fork.c:2889 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: 0033:0x7feb049c68d2 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 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 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007fff9bd6a860 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fff9bd6a860 RCX: 00007feb049c68d2 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007feb04c267b8 R08: 0000000000000000 R09: 0000000000000000 R10: 000055557ca447d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000003 R14: 00007fff9bd6abe8 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 17156 Comm: syz.2.2399 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026 RIP: 0010:lock_is_held include/linux/lockdep.h:249 [inline] RIP: 0010:__remove_hrtimer+0x376/0x440 kernel/time/hrtimer.c:1145 Code: d0 7f 08 84 c0 0f 85 d9 00 00 00 41 c6 45 4e 01 e9 65 fd ff ff e8 6a 6b 14 00 49 8d 7d 18 be ff ff ff ff e8 bc 0c c2 09 31 ff <41> 89 c6 89 c6 e8 c0 65 14 00 45 85 f6 0f 85 01 fd ff ff e8 42 6b RSP: 0018:ffffc90000a08e50 EFLAGS: 00000046 RAX: 0000000000000001 RBX: ffff888079760300 RCX: 0000000000000001 RDX: 0000000000000046 RSI: ffffffff8e1811ca RDI: 0000000000000000 RBP: ffff8880b8528640 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880b8528400 R14: 0000000000000001 R15: 0000000000000000 FS: 000055555cc9b500(0000) GS:ffff888123eee000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f104c827dac CR3: 000000007cf6f000 CR4: 0000000000350ef0 Call Trace: __run_hrtimer kernel/time/hrtimer.c:2012 [inline] __hrtimer_run_queues+0x352/0x9c0 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:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210 Code: 26 e8 5d 00 48 89 df 5b e9 3d 63 63 00 be 03 00 00 00 5b e9 b2 15 12 03 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 05 a5 70 59 12 48 8b 34 24 65 48 8b 15 81 70 59 RSP: 0018:ffffc900039afe20 EFLAGS: 00000297 RAX: 0000000000002a41 RBX: 1ffff92000735fca RCX: ffffffff81fc133c RDX: 0000000000000000 RSI: 000000000000000d RDI: ffff88802c35dd00 RBP: 00007ffd1334f830 R08: 0000000000000005 R09: 000000000000000d R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000080 R14: ffffc900039afe90 R15: 0000000000000000 __do_sys_futex kernel/futex/syscalls.c:200 [inline] __se_sys_futex kernel/futex/syscalls.c:191 [inline] __x64_sys_futex+0x1ca/0x4d0 kernel/futex/syscalls.c:191 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: 0033:0x7f104c59de59 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:00007ffd1334f728 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000151599 RCX: 00007f104c59de59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f104c825fac RBP: 0000000000000032 R08: 0000000000000001 R09: 0000000000000000 R10: 00007ffd1334f830 R11: 0000000000000246 R12: 00007ffd1334f850 R13: 00007f104c825fac R14: 00000000001515cb R15: 00007ffd1334f830