Warning: Permanently added '10.128.0.102' (ED25519) to the list of known hosts.
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[  217.506716][    C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  217.513793][    C1] rcu: 	0-....: (0 ticks this GP) idle=477/1/0x4000000000000002 softirq=9271/9271 fqs=5250 
[  217.524326][    C1] 	(detected by 1, t=10502 jiffies, g=9401, q=171)
[  217.530871][    C1] Sending NMI from CPU 1 to CPUs 0:
[  217.536085][    C0] NMI backtrace for cpu 0
[  217.536106][    C0] CPU: 0 PID: 4201 Comm: syz-executor223 Not tainted syzkaller #0
[  217.536120][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  217.536133][    C0] RIP: 0010:__sanitizer_cov_trace_pc+0x2a/0x60
[  217.536167][    C0] Code: 48 8b 04 24 65 48 8b 0d 04 73 89 7e 65 8b 15 05 73 89 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 <74> 2c 8b 91 10 16 00 00 83 fa 02 75 21 48 8b 91 18 16 00 00 48 8b
[  217.536181][    C0] RSP: 0018:ffffc90000006e10 EFLAGS: 00000046
[  217.536193][    C0] RAX: ffffffff81978799 RBX: 0000000000000000 RCX: ffff88807e7cbb80
[  217.536203][    C0] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
[  217.536211][    C0] RBP: dffffc0000000000 R08: ffffc90000006fd7 R09: ffffc90000006fa0
[  217.536220][    C0] R10: dffffc0000000000 R11: fffff52000000dfb R12: ffff8880784260da
[  217.536229][    C0] R13: ffffc900000071c0 R14: ffff888078425f80 R15: ffffc90000007006
[  217.536239][    C0] FS:  0000555580492480(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  217.536250][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  217.536260][    C0] CR2: 0000555580492328 CR3: 000000007d2ff000 CR4: 00000000003506f0
[  217.536271][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  217.536279][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  217.536287][    C0] Call Trace:
[  217.536293][    C0]  <IRQ>
[  217.536298][    C0]  __perf_event_header__init_id+0x389/0x4f0
[  217.536334][    C0]  ? kvm_is_in_guest+0x24/0x30
[  217.536352][    C0]  perf_prepare_sample+0x158/0x1cb0
[  217.536368][    C0]  ? __lock_acquire+0x7b50/0x7b50
[  217.536384][    C0]  ? perf_callchain+0x190/0x190
[  217.536397][    C0]  ? rcu_lock_release+0x9/0x20
[  217.536414][    C0]  perf_event_output_forward+0x185/0x2e0
[  217.536428][    C0]  ? perf_get_page_size+0x430/0x430
[  217.536442][    C0]  ? perf_event_output_forward+0x261/0x2e0
[  217.536456][    C0]  ? perf_get_page_size+0x430/0x430
[  217.536470][    C0]  ? __perf_event_account_interrupt+0x187/0x280
[  217.536484][    C0]  __perf_event_overflow+0x35f/0x550
[  217.536500][    C0]  perf_swevent_event+0x4b8/0x540
[  217.536516][    C0]  perf_tp_event+0x324/0xbe0
[  217.536531][    C0]  ? perf_trace_run_bpf_submit+0x1c0/0x1c0
[  217.536544][    C0]  ? perf_tp_event+0xa7e/0xbe0
[  217.536575][    C0]  perf_trace_run_bpf_submit+0xf3/0x1c0
[  217.536591][    C0]  perf_trace_preemptirq_template+0x2aa/0x360
[  217.536607][    C0]  ? asm_sysvec_irq_work+0x16/0x20
[  217.536625][    C0]  ? trace_event_raw_event_preemptirq_template+0x290/0x290
[  217.536641][    C0]  ? __irq_exit_rcu+0x147/0x230
[  217.536655][    C0]  ? irq_exit_rcu+0x20/0x20
[  217.536668][    C0]  ? asm_sysvec_irq_work+0x16/0x20
[  217.536681][    C0]  trace_irq_enable_rcuidle+0x108/0x180
[  217.536696][    C0]  trace_hardirqs_on+0x57/0x80
[  217.536709][    C0]  asm_sysvec_irq_work+0x16/0x20
[  217.536722][    C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0
[  217.536737][    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 02 20 9d 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
[  217.536746][    C0] RSP: 0018:ffffc900000075e0 EFLAGS: 00000206
[  217.536757][    C0] RAX: 27919e01379f2e00 RBX: 1ffff92000000ec0 RCX: 27919e01379f2e00
[  217.536766][    C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4200
[  217.536775][    C0] RBP: ffffc900000076c0 R08: ffff8880b903b30b R09: 1ffff11017207661
[  217.536785][    C0] R10: dffffc0000000000 R11: ffffed1017207662 R12: ffffffff8c323400
[  217.536794][    C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
[  217.536811][    C0]  ? __rcu_read_unlock+0xd0/0xd0
[  217.536827][    C0]  ? check_preemption_disabled+0x37/0x110
[  217.536844][    C0]  __rcu_read_unlock+0x78/0xd0
[  217.536858][    C0]  is_bpf_text_address+0x24f/0x270
[  217.536872][    C0]  __kernel_text_address+0x9a/0x100
[  217.536889][    C0]  unwind_get_return_address+0x49/0x80
[  217.536904][    C0]  ? stack_trace_save+0xf0/0xf0
[  217.536922][    C0]  arch_stack_walk+0xf2/0x140
[  217.536941][    C0]  ? kmem_cache_free+0x8f/0x210
[  217.536954][    C0]  stack_trace_save+0xa6/0xf0
[  217.536966][    C0]  ? stack_trace_snprint+0xe0/0xe0
[  217.536979][    C0]  ? __lock_acquire+0x1305/0x7b50
[  217.536994][    C0]  ? kmem_cache_free+0x8f/0x210
[  217.537006][    C0]  ? memset+0x1e/0x40
[  217.537020][    C0]  kasan_set_track+0x4b/0x70
[  217.537033][    C0]  ? kasan_set_track+0x4b/0x70
[  217.537045][    C0]  ? kasan_set_free_info+0x1f/0x40
[  217.537058][    C0]  ? ____kasan_slab_free+0xd5/0x110
[  217.537071][    C0]  ? slab_free_freelist_hook+0xec/0x170
[  217.537083][    C0]  ? kmem_cache_free+0x8f/0x210
[  217.537094][    C0]  ? rcu_core+0x96e/0x1650
[  217.537106][    C0]  ? handle_softirqs+0x336/0x830
[  217.537117][    C0]  ? __irq_exit_rcu+0x13b/0x230
[  217.537128][    C0]  ? irq_exit_rcu+0x5/0x20
[  217.537139][    C0]  ? sysvec_apic_timer_interrupt+0xa0/0xc0
[  217.537152][    C0]  ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[  217.537165][    C0]  ? do_user_addr_fault+0x204/0xc90
[  217.537179][    C0]  ? exc_page_fault+0x60/0x100
[  217.537191][    C0]  ? asm_exc_page_fault+0x22/0x30
[  217.537203][    C0]  ? __put_user_nocheck_8+0x3/0x21
[  217.537216][    C0]  ? __rseq_handle_notify_resume+0x554/0xf40
[  217.537231][    C0]  ? exit_to_user_mode_loop+0xe5/0x130
[  217.537242][    C0]  ? exit_to_user_mode_prepare+0xee/0x180
[  217.537253][    C0]  ? syscall_exit_to_user_mode+0x16/0x40
[  217.537266][    C0]  ? do_syscall_64+0x58/0xa0
[  217.537277][    C0]  ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.537306][    C0]  kasan_set_free_info+0x1f/0x40
[  217.537320][    C0]  ____kasan_slab_free+0xd5/0x110
[  217.537334][    C0]  slab_free_freelist_hook+0xec/0x170
[  217.537349][    C0]  ? rcu_core+0x96e/0x1650
[  217.537361][    C0]  kmem_cache_free+0x8f/0x210
[  217.537376][    C0]  rcu_core+0x96e/0x1650
[  217.537394][    C0]  ? local_bh_disable+0x20/0x20
[  217.537407][    C0]  ? __lock_acquire+0x7b50/0x7b50
[  217.537427][    C0]  ? rebalance_domains+0x892/0x9b0
[  217.537446][    C0]  handle_softirqs+0x336/0x830
[  217.537461][    C0]  ? __irq_exit_rcu+0x13b/0x230
[  217.537475][    C0]  ? do_softirq+0x210/0x210
[  217.537486][    C0]  ? hrtimer_interrupt+0x6a2/0x8b0
[  217.537505][    C0]  __irq_exit_rcu+0x13b/0x230
[  217.537517][    C0]  ? irq_exit_rcu+0x20/0x20
[  217.537533][    C0]  irq_exit_rcu+0x5/0x20
[  217.537544][    C0]  sysvec_apic_timer_interrupt+0xa0/0xc0
[  217.537558][    C0]  </IRQ>
[  217.537562][    C0]  <TASK>
[  217.537567][    C0]  asm_sysvec_apic_timer_interrupt+0x16/0x20
[  217.537580][    C0] RIP: 0010:do_user_addr_fault+0x204/0xc90
[  217.537595][    C0] Code: 02 00 00 31 ff e8 fc 8a 43 00 48 81 e3 00 02 00 00 75 07 e8 0e 87 43 00 eb 0b e8 07 87 43 00 e8 32 ad 49 00 fb bb 14 02 00 00 <4c> 89 7c 24 20 0f 1f 44 00 00 e8 ed 86 43 00 45 89 f7 41 83 e7 02
[  217.537605][    C0] RSP: 0018:ffffc90002d0fc10 EFLAGS: 00000282
[  217.537616][    C0] RAX: 27919e01379f2e00 RBX: 0000000000000214 RCX: 27919e01379f2e00
[  217.537625][    C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4200
[  217.537634][    C0] RBP: dffffc0000000000 R08: ffff8880b903b30b R09: 1ffff11017207661
[  217.537643][    C0] R10: dffffc0000000000 R11: ffffed1017207662 R12: 0000555580492328
[  217.537652][    C0] R13: ffffc90002d0fce8 R14: 0000000000000003 R15: ffff88801be3b800
[  217.537670][    C0]  ? rcu_is_watching+0x11/0xa0
[  217.537682][    C0]  ? trace_hardirqs_off_finish+0xca/0x1f0
[  217.537697][    C0]  exc_page_fault+0x60/0x100
[  217.537710][    C0]  ? __might_fault+0xb7/0x110
[  217.537724][    C0]  asm_exc_page_fault+0x22/0x30
[  217.537736][    C0] RIP: 0010:__put_user_nocheck_8+0x3/0x21
[  217.537753][    C0] Code: 00 00 48 39 d9 73 34 0f 01 cb 89 01 31 c9 0f 01 ca c3 90 90 90 90 90 90 48 bb f9 ef ff ff ff 7f 00 00 48 39 d9 73 14 0f 01 cb <48> 89 01 31 c9 0f 01 ca c3 90 90 90 90 90 0f 01 ca b9 f2 ff ff ff
[  217.537762][    C0] RSP: 0018:ffffc90002d0fd98 EFLAGS: 00050293
[  217.537773][    C0] RAX: 0000000000000000 RBX: 00007fffffffeff9 RCX: 0000555580492328
[  217.537781][    C0] RDX: 0000000000000000 RSI: ffffffff8a2b3e80 RDI: ffffffff8a7a4200
[  217.537790][    C0] RBP: ffffc90002d0fec0 R08: ffffffff8d8b0def R09: 1ffffffff1b161bd
[  217.537799][    C0] R10: dffffc0000000000 R11: fffffbfff1b161be R12: ffffc90002d0ffd8
[  217.537808][    C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920005a1fc0
[  217.537824][    C0]  __rseq_handle_notify_resume+0x554/0xf40
[  217.537839][    C0]  ? rcu_nmi_exit+0x6f/0xf0
[  217.537855][    C0]  ? __bpf_trace_rseq_ip_fixup+0x40/0x40
[  217.537876][    C0]  ? blkcg_maybe_throttle_current+0x116/0x6e0
[  217.537895][    C0]  exit_to_user_mode_loop+0xe5/0x130
[  217.537908][    C0]  exit_to_user_mode_prepare+0xee/0x180
[  217.537925][    C0]  syscall_exit_to_user_mode+0x16/0x40
[  217.537939][    C0]  do_syscall_64+0x58/0xa0
[  217.537951][    C0]  ? clear_bhb_loop+0x30/0x80
[  217.537963][    C0]  ? clear_bhb_loop+0x30/0x80
[  217.537976][    C0]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.537989][    C0] RIP: 0033:0x7fd22a764cd7
[  217.538006][    C0] Code: 48 89 fa 4c 89 df e8 b8 13 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  217.538015][    C0] RSP: 002b:00007ffc1aa0b780 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
[  217.538028][    C0] RAX: 0000000000000000 RBX: 0000555580492480 RCX: 00007fd22a764cd7
[  217.538037][    C0] RDX: 00007ffc1aa0b7c0 RSI: 0000000000000000 RDI: 0000000000000000
[  217.538044][    C0] RBP: 00007ffc1aa0b804 R08: 0000000000000000 R09: 0000000000000000
[  217.538052][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000016e
[  217.538060][    C0] R13: 431bde82d7b634db R14: 000000000001b74b R15: 00007ffc1aa0b860
[  217.538075][    C0]  </TASK>
[  217.538084][    C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.996 msecs
[  219.766776][   T23] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10727 jiffies s: 4361 root: 0x1/.
[  219.779238][   T23] rcu: blocking rcu_node structures (internal RCU debug):
[  219.786367][   T23] Task dump for CPU 0:
[  219.790508][   T23] task:syz-executor223 state:R  running task     stack:26464 pid: 4201 ppid:  4200 flags:0x00004008
[  219.801375][   T23] Call Trace:
[  219.804655][   T23]  <TASK>
[  219.807623][   T23]  ? perf_trace_run_bpf_submit+0xf3/0x1c0
[  219.813449][   T23]  ? perf_trace_preemptirq_template+0x2aa/0x360
[  219.819746][   T23]  ? rcu_nmi_exit+0x6f/0xf0
[  219.824353][   T23]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[  219.830493][   T23]  ? rcu_is_watching+0x11/0xa0
[  219.835352][   T23]  ? sysvec_apic_timer_interrupt+0x80/0xc0
[  219.841197][   T23]  ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[  219.847426][   T23]  ? do_user_addr_fault+0x204/0xc90
[  219.852644][   T23]  ? rcu_is_watching+0x11/0xa0
[  219.857455][   T23]  ? trace_hardirqs_off_finish+0xca/0x1f0
[  219.863185][   T23]  ? exc_page_fault+0x60/0x100
[  219.867990][   T23]  ? __might_fault+0xb7/0x110
[  219.872680][   T23]  ? asm_exc_page_fault+0x22/0x30
[  219.877761][   T23]  ? __put_user_nocheck_8+0x3/0x21
[  219.882877][   T23]  ? __rseq_handle_notify_resume+0x554/0xf40
[  219.888924][   T23]  ? rcu_nmi_exit+0x6f/0xf0
[  219.893443][   T23]  ? __bpf_trace_rseq_ip_fixup+0x40/0x40
[  219.899134][   T23]  ? blkcg_maybe_throttle_current+0x116/0x6e0
[  219.905216][   T23]  ? exit_to_user_mode_loop+0xe5/0x130
[  219.910744][   T23]  ? exit_to_user_mode_prepare+0xee/0x180
[  219.916487][   T23]  ? syscall_exit_to_user_mode+0x16/0x40
[  219.922205][   T23]  ? do_syscall_64+0x58/0xa0
[  219.926866][   T23]  ? clear_bhb_loop+0x30/0x80
[  219.931634][   T23]  ? clear_bhb_loop+0x30/0x80
[  219.936498][   T23]  ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.942626][   T23]  </TASK>