Warning: Permanently added '10.128.0.124' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 178.141521][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 178.148600][ C1] rcu: 0-....: (1 GPs behind) idle=d5b/1/0x4000000000000002 softirq=5839/5841 fqs=5250 [ 178.158861][ C1] (detected by 1, t=10502 jiffies, g=6861, q=36) [ 178.165324][ C1] Sending NMI from CPU 1 to CPUs 0: [ 178.170564][ C0] NMI backtrace for cpu 0 [ 178.170587][ C0] CPU: 0 PID: 4375 Comm: syz-executor172 Not tainted syzkaller #0 [ 178.170605][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 178.170626][ C0] RIP: 0010:kasan_check_range+0xe/0x290 [ 178.170666][ C0] Code: 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc cc 00 00 cc cc b0 01 48 85 f6 0f 84 ac 01 00 00 55 41 57 <41> 56 41 54 53 49 89 f8 49 01 f0 0f 82 0e 02 00 00 49 89 f8 49 c1 [ 178.170680][ C0] RSP: 0018:ffffc90002edf068 EFLAGS: 00000002 [ 178.170696][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff815d0e35 [ 178.170708][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901d40c0 [ 178.170719][ C0] RBP: ffffc90002edf2d0 R08: dffffc0000000000 R09: 1ffffffff203a818 [ 178.170733][ C0] R10: dffffc0000000000 R11: fffffbfff203a819 R12: ffff88807d0be450 [ 178.170746][ C0] R13: ffff88807d0be404 R14: 000000000000002b R15: ffff88807d0be450 [ 178.170758][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 178.170774][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.170786][ C0] CR2: 00007f9e992213e0 CR3: 000000002b6a5000 CR4: 00000000003506f0 [ 178.170802][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 178.170812][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.170824][ C0] Call Trace: [ 178.170830][ C0] [ 178.170838][ C0] __lock_acquire+0x925/0x7d10 [ 178.170859][ C0] ? check_path+0x21/0x40 [ 178.170885][ C0] ? verify_lock_unused+0x140/0x140 [ 178.170911][ C0] ? llist_add_batch+0x85/0xa0 [ 178.170933][ C0] lock_acquire+0x19e/0x400 [ 178.170952][ C0] ? rcu_lock_acquire+0x5/0x30 [ 178.170971][ C0] ? rcu_lock_release+0x5/0x20 [ 178.170987][ C0] ? read_lock_is_recursive+0x10/0x10 [ 178.171007][ C0] ? ___might_sleep+0x610/0x610 [ 178.171028][ C0] rcu_lock_acquire+0x2a/0x30 [ 178.171044][ C0] ? rcu_lock_acquire+0x5/0x30 [ 178.171065][ C0] trace_call_bpf+0xf9/0x5b0 [ 178.171088][ C0] ? __bpf_trace_bpf_trace_printk+0x20/0x20 [ 178.171108][ C0] ? trace_call_bpf+0x515/0x5b0 [ 178.171129][ C0] perf_trace_run_bpf_submit+0x79/0x1c0 [ 178.171150][ C0] perf_trace_preemptirq_template+0x2aa/0x360 [ 178.171171][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 178.171194][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 178.171213][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 178.171235][ C0] ? lock_chain_count+0x20/0x20 [ 178.171255][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 178.171272][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 178.171292][ C0] trace_hardirqs_on+0x57/0x80 [ 178.171310][ C0] asm_sysvec_irq_work+0x16/0x20 [ 178.171328][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 178.171348][ C0] Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 12 f2 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 [ 178.171362][ C0] RSP: 0018:ffffc90002edf760 EFLAGS: 00000206 [ 178.171376][ C0] RAX: 127e4780a763f200 RBX: 1ffff920005dbef0 RCX: 127e4780a763f200 [ 178.171389][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f980 [ 178.171403][ C0] RBP: ffffc90002edf830 R08: ffffffff901d40c7 R09: 1ffffffff203a818 [ 178.171416][ C0] R10: dffffc0000000000 R11: fffffbfff203a819 R12: ffffffff8c322f00 [ 178.171429][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 178.171449][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 178.171467][ C0] ? do_raw_spin_lock+0x128/0x2f0 [ 178.171487][ C0] __rcu_read_unlock+0x78/0xd0 [ 178.171504][ C0] __unlock_page_memcg+0xea/0x100 [ 178.171523][ C0] unmap_page_range+0xf96/0x2500 [ 178.171553][ C0] unmap_vmas+0x131/0x250 [ 178.171570][ C0] ? unmap_page_range+0x2500/0x2500 [ 178.171585][ C0] ? __mutex_lock_common+0x465/0x2400 [ 178.171606][ C0] ? __bpf_trace_bpf_trace_printk+0x20/0x20 [ 178.171629][ C0] exit_mmap+0x3b9/0x640 [ 178.171649][ C0] ? vm_brk+0x20/0x20 [ 178.171672][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 178.171689][ C0] ? mm_update_next_owner+0x522/0x640 [ 178.171707][ C0] __mmput+0x115/0x3b0 [ 178.171725][ C0] exit_mm+0x588/0x6e0 [ 178.171740][ C0] ? xacct_add_tsk+0x4a0/0x4a0 [ 178.171760][ C0] ? do_exit+0x20c0/0x20c0 [ 178.171776][ C0] ? __ia32_sys_timer_delete+0x40/0x40 [ 178.171795][ C0] ? hrtimer_try_to_cancel+0x3c9/0x410 [ 178.171815][ C0] ? taskstats_exit+0x439/0xab0 [ 178.171835][ C0] ? tty_audit_exit+0x14e/0x1f0 [ 178.171856][ C0] do_exit+0x5a9/0x20c0 [ 178.171872][ C0] ? perf_trace_preemptirq_template+0x2aa/0x360 [ 178.171892][ C0] ? put_task_struct+0x80/0x80 [ 178.171907][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 178.171930][ C0] ? lock_chain_count+0x20/0x20 [ 178.171951][ C0] do_group_exit+0x12e/0x300 [ 178.171968][ C0] __x64_sys_exit_group+0x3b/0x40 [ 178.171984][ C0] do_syscall_64+0x4c/0xa0 [ 178.172001][ C0] ? clear_bhb_loop+0x30/0x80 [ 178.172018][ C0] ? clear_bhb_loop+0x30/0x80 [ 178.172035][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 178.172053][ C0] RIP: 0033:0x7f9e99180fc5 [ 178.172073][ C0] Code: Unable to access opcode bytes at RIP 0x7f9e99180f9b. [ 178.172081][ C0] RSP: 002b:00007fffc70c9d38 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 178.172098][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9e99180fc5 [ 178.172110][ C0] RDX: 00000000000000e7 RSI: ffffffffffffffd8 RDI: 0000000000000000 [ 178.172122][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000009 [ 178.172132][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 178.172143][ C0] R13: 00007f9e9921a108 R14: 00007f9e9921c3a8 R15: 00007f9e9921c3c0 [ 178.172162][ C0] [ 178.172168][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.604 msecs [ 179.031652][ T1108] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10592 jiffies s: 3057 root: 0x1/. [ 179.044290][ T1108] rcu: blocking rcu_node structures (internal RCU debug): [ 179.051908][ T1108] Task dump for CPU 0: [ 179.056019][ T1108] task:syz-executor172 state:R running task stack:26448 pid: 4375 ppid: 4179 flags:0x0000400a [ 179.066997][ T1108] Call Trace: [ 179.070311][ T1108] [ 179.073306][ T1108] ? perf_trace_preemptirq_template+0x2aa/0x360 [ 179.079778][ T1108] ? mark_lock+0x94/0x320 [ 179.084213][ T1108] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 179.091499][ T1108] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 179.097524][ T1108] ? lock_chain_count+0x20/0x20 [ 179.102559][ T1108] ? rcu_is_watching+0x11/0xa0 [ 179.107362][ T1108] ? asm_sysvec_irq_work+0x16/0x20 [ 179.112557][ T1108] ? sysvec_irq_work+0xa/0xc0 [ 179.117272][ T1108] ? asm_sysvec_irq_work+0x16/0x20 [ 179.122902][ T1108] ? rcu_read_unlock_special+0x7f/0x4a0 [ 179.128501][ T1108] ? __rcu_read_unlock+0xd0/0xd0 [ 179.133520][ T1108] ? do_raw_spin_lock+0x128/0x2f0 [ 179.138684][ T1108] ? __rcu_read_unlock+0x78/0xd0 [ 179.143706][ T1108] ? __unlock_page_memcg+0xea/0x100 [ 179.148944][ T1108] ? unmap_page_range+0xf96/0x2500 [ 179.154162][ T1108] ? unmap_vmas+0x131/0x250 [ 179.158722][ T1108] ? unmap_page_range+0x2500/0x2500 [ 179.164157][ T1108] ? __mutex_lock_common+0x465/0x2400 [ 179.169583][ T1108] ? __bpf_trace_bpf_trace_printk+0x20/0x20 [ 179.175583][ T1108] ? exit_mmap+0x3b9/0x640 [ 179.180044][ T1108] ? vm_brk+0x20/0x20 [ 179.184137][ T1108] ? uprobe_clear_state+0x2f6/0x460 [ 179.189380][ T1108] ? mm_update_next_owner+0x522/0x640 [ 179.194928][ T1108] ? __mmput+0x115/0x3b0 [ 179.199219][ T1108] ? exit_mm+0x588/0x6e0 [ 179.203525][ T1108] ? xacct_add_tsk+0x4a0/0x4a0 [ 179.208333][ T1108] ? do_exit+0x20c0/0x20c0 [ 179.212827][ T1108] ? __ia32_sys_timer_delete+0x40/0x40 [ 179.218328][ T1108] ? hrtimer_try_to_cancel+0x3c9/0x410 [ 179.223853][ T1108] ? taskstats_exit+0x439/0xab0 [ 179.228752][ T1108] ? tty_audit_exit+0x14e/0x1f0 [ 179.233676][ T1108] ? do_exit+0x5a9/0x20c0 [ 179.238041][ T1108] ? perf_trace_preemptirq_template+0x2aa/0x360 [ 179.244377][ T1108] ? put_task_struct+0x80/0x80 [ 179.249182][ T1108] ? rcu_nmi_exit+0x6f/0xf0 [ 179.253760][ T1108] ? lock_chain_count+0x20/0x20 [ 179.258742][ T1108] ? do_group_exit+0x12e/0x300 [ 179.263608][ T1108] ? __x64_sys_exit_group+0x3b/0x40 [ 179.268862][ T1108] ? do_syscall_64+0x4c/0xa0 [ 179.273595][ T1108] ? clear_bhb_loop+0x30/0x80 [ 179.278315][ T1108] ? clear_bhb_loop+0x30/0x80 [ 179.283067][ T1108] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 179.289311][ T1108]