Warning: Permanently added '10.128.1.121' (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 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 syzkaller login: [ 91.847105][ T128] cfg80211: failed to load regulatory.db 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 [ 124.515578][ T128] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2645 jiffies s: 1677 root: 0x1/. [ 124.528201][ T128] rcu: blocking rcu_node structures (internal RCU debug): [ 124.535727][ T128] Sending NMI from CPU 1 to CPUs 0: [ 124.540993][ C0] NMI backtrace for cpu 0 [ 124.541023][ C0] CPU: 0 PID: 4531 Comm: udevd Not tainted syzkaller #0 [ 124.541041][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 124.541059][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 [ 124.541101][ C0] Code: a4 fa 7f 7e 65 8b 15 a5 fa 7f 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 <83> fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc [ 124.541115][ C0] RSP: 0018:ffffc90003db7448 EFLAGS: 00000046 [ 124.541131][ C0] RAX: ffffffff81a59450 RBX: 0000000000000000 RCX: ffff8880764cd940 [ 124.541145][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008 [ 124.541155][ C0] RBP: 0000000000000000 R08: ffff8880b8e3580b R09: 1ffff110171c6b01 [ 124.541167][ C0] R10: dffffc0000000000 R11: ffffed10171c6b02 R12: ffffffff8cb7fba0 [ 124.541180][ C0] R13: dffffc0000000000 R14: ffffc90003db7500 R15: ffffc90003db7520 [ 124.541194][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 124.541209][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 124.541222][ C0] CR2: 000055b84063f088 CR3: 00000000280dc000 CR4: 00000000003506f0 [ 124.541237][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 124.541248][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 124.541259][ C0] Call Trace: [ 124.541268][ C0] [ 124.541274][ C0] perf_swevent_get_recursion_context+0x30/0x150 [ 124.541307][ C0] perf_trace_buf_alloc+0x54/0x300 [ 124.541331][ C0] perf_trace_preemptirq_template+0x143/0x320 [ 124.541357][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 124.541385][ C0] ? trace_event_raw_event_preemptirq_template+0x1f0/0x1f0 [ 124.541410][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 124.541438][ C0] ? lock_chain_count+0x20/0x20 [ 124.541464][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 124.541486][ C0] trace_irq_enable_rcuidle+0xd3/0x140 [ 124.541513][ C0] trace_hardirqs_on+0x24/0x40 [ 124.541536][ C0] asm_sysvec_irq_work+0x16/0x20 [ 124.541559][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x510 [ 124.541578][ 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 d2 33 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 [ 124.541592][ C0] RSP: 0018:ffffc90003db7680 EFLAGS: 00000206 [ 124.541606][ C0] RAX: 6e009359098c4a00 RBX: 1ffff920007b6ed8 RCX: 6e009359098c4a00 [ 124.541626][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8c10a0 RDI: ffffffff8adf0d20 [ 124.541639][ C0] RBP: ffffc90003db7770 R08: ffffffff90af7247 R09: 1ffffffff215ee48 [ 124.541652][ C0] R10: dffffc0000000000 R11: fffffbfff215ee49 R12: 0000000000000246 [ 124.541665][ C0] R13: dffffc0000000000 R14: ffff8880b8e3b900 R15: 0000000000000001 [ 124.541687][ C0] ? lock_downgrade+0x7f0/0x830 [ 124.541712][ C0] ? __lock_acquire+0x7d10/0x7d10 [ 124.541736][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 124.541755][ C0] ? page_ext_get+0x1e/0x2a0 [ 124.541781][ C0] ? page_ext_get+0x1de/0x2a0 [ 124.541806][ C0] __rcu_read_unlock+0x78/0xd0 [ 124.541824][ C0] page_ext_put+0x91/0xb0 [ 124.541847][ C0] unmap_page_range+0x192d/0x2500 [ 124.541892][ C0] unmap_vmas+0x260/0x390 [ 124.541918][ C0] ? unmap_vmas+0x1bd/0x390 [ 124.541946][ C0] ? unmap_page_range+0x2500/0x2500 [ 124.541974][ C0] ? __lock_acquire+0x7d10/0x7d10 [ 124.541998][ C0] ? mas_next_entry+0xe27/0xed0 [ 124.542031][ C0] exit_mmap+0x20d/0x960 [ 124.542056][ C0] ? vm_brk+0x20/0x20 [ 124.542078][ C0] ? __mutex_unlock_slowpath+0x1b0/0x6c0 [ 124.542111][ C0] ? exit_mm+0x1ee/0x2d0 [ 124.542140][ C0] ? uprobe_clear_state+0x274/0x290 [ 124.542166][ C0] ? mm_update_next_owner+0x525/0x650 [ 124.542194][ C0] __mmput+0x118/0x3c0 [ 124.542213][ C0] exit_mm+0x1fe/0x2d0 [ 124.542239][ C0] ? do_exit+0x2480/0x2480 [ 124.542265][ C0] ? taskstats_exit+0x35a/0x9d0 [ 124.542294][ C0] do_exit+0x905/0x2480 [ 124.542323][ C0] ? ct_nmi_exit+0x145/0x1c0 [ 124.542344][ C0] ? put_task_struct+0x80/0x80 [ 124.542369][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 124.542396][ C0] ? lock_chain_count+0x20/0x20 [ 124.542419][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 124.542437][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 124.542457][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 124.542476][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 124.542495][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 124.542515][ C0] do_group_exit+0x217/0x2d0 [ 124.542544][ C0] __x64_sys_exit_group+0x3b/0x40 [ 124.542570][ C0] do_syscall_64+0x4c/0xa0 [ 124.542595][ C0] ? clear_bhb_loop+0x60/0xb0 [ 124.542617][ C0] ? clear_bhb_loop+0x60/0xb0 [ 124.542648][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 124.542670][ C0] RIP: 0033:0x7f1709cf16c5 [ 124.542688][ C0] Code: Unable to access opcode bytes at 0x7f1709cf169b. [ 124.542696][ C0] RSP: 002b:00007ffec2e98fd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 124.542713][ C0] RAX: ffffffffffffffda RBX: 000055b84063d8a0 RCX: 00007f1709cf16c5 [ 124.542726][ C0] RDX: 00000000000000e7 RSI: fffffffffffffe68 RDI: 0000000000000000 [ 124.542737][ C0] RBP: 000055b840633910 R08: 0000000000000000 R09: 0000000000000000 [ 124.542748][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 124.542759][ C0] R13: 00007ffec2e99020 R14: 0000000000000000 R15: 0000000000000000 [ 124.542778][ C0]