Warning: Permanently added '10.128.0.205' (ED25519) to the list of known hosts. executing program syzkaller login: [ 81.837295][ T9] cfg80211: failed to load regulatory.db [ 170.934213][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 170.941358][ C0] rcu: 1-....: (1 GPs behind) idle=a894/1/0x4000000000000000 softirq=9364/9365 fqs=2100 [ 170.951694][ C0] rcu: hardirqs softirqs csw/system [ 170.958118][ C0] rcu: number: 13382812 0 0 [ 170.964537][ C0] rcu: cputime: 24528 0 0 ==> 52550(ms) [ 170.972359][ C0] rcu: (detected by 0, t=10506 jiffies, g=6461, q=611 ncpus=2) [ 170.980044][ C0] Sending NMI from CPU 0 to CPUs 1: [ 170.985354][ C1] NMI backtrace for cpu 1 [ 170.985375][ C1] CPU: 1 PID: 5778 Comm: syz-executor571 Not tainted syzkaller #0 [ 170.985390][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 170.985401][ C1] RIP: 0010:rcu_lockdep_current_cpu_online+0x4/0x120 [ 170.985440][ C1] Code: 6c 00 4c 85 3b 0f 95 c0 5b 41 5e 41 5f c3 89 fe 89 fb 48 c7 c7 80 50 d3 8c e8 38 a0 e1 02 89 df e9 53 ff ff ff 90 f3 0f 1e fa <41> 57 41 56 53 65 8b 0d 08 d4 93 7e b0 01 f7 c1 00 00 f0 00 0f 85 [ 170.985453][ C1] RSP: 0000:ffffc900001f0e48 EFLAGS: 00000002 [ 170.985466][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 59cfba410beb8500 [ 170.985476][ C1] RDX: ffff888028079e00 RSI: ffffffff8afc7020 RDI: ffffffff8afc6fe0 [ 170.985487][ C1] RBP: 0000000000000001 R08: dffffc0000000000 R09: 1ffffffff21b4aa0 [ 170.985497][ C1] R10: dffffc0000000000 R11: fffffbfff21b4aa1 R12: 0000000000000000 [ 170.985508][ C1] R13: ffff88802f4202f0 R14: dffffc0000000000 R15: ffffffff81abec4c [ 170.985519][ C1] FS: 000055555a441380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 170.985533][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 170.985544][ C1] CR2: 00007fdd4ae340d0 CR3: 00000000777d6000 CR4: 00000000003506e0 [ 170.985557][ C1] Call Trace: [ 170.985564][ C1] [ 170.985574][ C1] rcu_read_lock_held+0x1e/0x40 [ 170.985592][ C1] perf_event_wakeup+0x131/0x380 [ 170.985609][ C1] perf_pending_irq+0x165/0x5e0 [ 170.985631][ C1] irq_work_single+0xd5/0x230 [ 170.985649][ C1] irq_work_run+0x156/0x2e0 [ 170.985664][ C1] ? irq_work_single+0x230/0x230 [ 170.985680][ C1] ? __irq_exit_rcu+0xd3/0x190 [ 170.985694][ C1] ? irq_exit_rcu+0x20/0x20 [ 170.985710][ C1] __sysvec_irq_work+0x98/0x380 [ 170.985731][ C1] sysvec_irq_work+0x9c/0xc0 [ 170.985754][ C1] [ 170.985758][ C1] [ 170.985764][ C1] asm_sysvec_irq_work+0x1a/0x20 [ 170.985778][ C1] RIP: 0010:preempt_schedule_irq+0xb0/0x140 [ 170.985798][ C1] Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 63 bf 01 00 00 00 e8 eb 29 e5 f6 e8 e6 b2 15 f7 fb bf 01 00 00 00 db b5 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24 [ 170.985809][ C1] RSP: 0000:ffffc900044cfda0 EFLAGS: 00000286 [ 170.985821][ C1] RAX: 59cfba410beb8500 RBX: 0000000000000000 RCX: 59cfba410beb8500 [ 170.985831][ C1] RDX: dffffc0000000000 RSI: ffffffff8aaaba20 RDI: 0000000000000001 [ 170.985842][ C1] RBP: ffffc900044cfe50 R08: ffffffff8e4a8f2f R09: 1ffffffff1c951e5 [ 170.985853][ C1] R10: dffffc0000000000 R11: fffffbfff1c951e6 R12: 0000000000000000 [ 170.985863][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000899fb4 [ 170.985882][ C1] ? preempt_schedule_notrace+0x110/0x110 [ 170.985904][ C1] ? rcu_irq_exit_check_preempt+0xdf/0x210 [ 170.985923][ C1] irqentry_exit+0x67/0x70 [ 170.985942][ C1] asm_sysvec_reschedule_ipi+0x1a/0x20 [ 170.985956][ C1] RIP: 0010:exit_to_user_mode_loop+0x40/0x110 [ 170.985976][ C1] Code: fb eb 1d e8 42 86 fb 08 65 48 8b 05 1a 32 91 7e 4c 8b 30 41 f7 c6 0e 30 02 00 0f 84 c4 00 00 00 e8 f5 6a 19 00 fb 41 f6 c6 08 <74> 05 e8 b9 b2 03 09 41 f7 c6 00 10 00 00 74 08 48 89 df e8 58 e6 [ 170.985987][ C1] RSP: 0000:ffffc900044cff10 EFLAGS: 00000202 [ 170.985998][ C1] RAX: 59cfba410beb8500 RBX: ffffc900044cff58 RCX: 59cfba410beb8500 [ 170.986009][ C1] RDX: dffffc0000000000 RSI: ffffffff8aaaba20 RDI: ffffffff8afc7040 [ 170.986020][ C1] RBP: 0000000000000000 R08: ffffffff8e4a8f2f R09: 1ffffffff1c951e5 [ 170.986035][ C1] R10: dffffc0000000000 R11: fffffbfff1c951e6 R12: 0000000000000000 [ 170.986045][ C1] R13: 0000000000000000 R14: 0000000000000008 R15: ffff888028079e00 [ 170.986064][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 170.986084][ C1] irqentry_exit_to_user_mode+0x9/0x40 [ 170.986103][ C1] asm_sysvec_irq_work+0x1a/0x20 [ 170.986116][ C1] RIP: 0033:0x7fdd4adbccb9 [ 170.986133][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 170.986144][ C1] RSP: 002b:00007fff105d8c08 EFLAGS: 00000246 [ 170.986155][ C1] RAX: 0000000000000000 RBX: 000020000000038c RCX: 00007fdd4adbccb9 [ 170.986165][ C1] RDX: 00002000000006c0 RSI: 0000000000005452 RDI: 0000000000000003 [ 170.986175][ C1] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 170.986184][ C1] R10: 00000000000000a0 R11: 0000000000000246 R12: 0000000000000000 [ 170.986193][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 170.986208][ C1]