Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts.
syzkaller login: [  352.706899][ T8432] ieee80211 phy3: Selected rate control algorithm 'minstrel_ht'
[  352.766578][ T8436] ieee80211 phy4: Selected rate control algorithm 'minstrel_ht'
[  352.786941][  T293] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  352.795185][  T293] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  352.801812][ T8438] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht'
[  352.819124][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  352.833935][  T293] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  352.837629][ T8439] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht'
[  352.855014][  T293] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  352.881996][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  352.895496][ T8437] ieee80211 phy7: Selected rate control algorithm 'minstrel_ht'
[  352.905578][   T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  352.912148][ T8432] ieee80211 phy8: Selected rate control algorithm 'minstrel_ht'
[  352.928497][   T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  352.928599][   T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  352.936289][   T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  352.948746][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  352.968734][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  352.984699][ T8437] ieee80211 phy9: Selected rate control algorithm 'minstrel_ht'
[  352.993644][ T8614] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  353.004821][  T293] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  353.012169][ T8614] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  353.014593][  T293] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
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[  353.033397][ T8436] ieee80211 phy10: Selected rate control algorithm 'minstrel_ht'
[  353.050732][   T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  353.050853][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[  353.059971][   T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  353.068277][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  353.095316][ T8439] ieee80211 phy11: Selected rate control algorithm 'minstrel_ht'
[  353.107974][    C0] hrtimer: interrupt took 32749 ns
[  353.116059][ T8636] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  353.125287][ T8636] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  353.134756][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
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[  353.146739][ T8438] ieee80211 phy12: Selected rate control algorithm 'minstrel_ht'
[  353.162349][   T58] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  353.178615][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[  353.187100][   T58] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
executing program
[  353.210434][ T8440] ieee80211 phy13: Selected rate control algorithm 'minstrel_ht'
[  353.242461][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[  353.251503][   T58] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  353.301790][   T58] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  353.311928][   T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  353.320427][ T8440] ieee80211 phy14: Selected rate control algorithm 'minstrel_ht'
executing program
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[  353.352110][   T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  353.372225][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[  353.392544][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  353.461789][ T8676] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  353.495415][ T8676] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
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[  353.573163][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
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[  459.548095][    C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[  459.554787][    C0] rcu: 	0-....: (10276 ticks this GP) idle=73f/1/0x4000000000000000 softirq=8936/8939 fqs=3830 
[  459.565455][    C0] 	(t=10501 jiffies g=8457 q=4130)
[  459.570557][    C0] NMI backtrace for cpu 0
[  459.574866][    C0] CPU: 0 PID: 8686 Comm: syz-executor159 Not tainted 5.14.0-syzkaller #0
[  459.583265][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  459.593301][    C0] Call Trace:
[  459.596551][    C0]  <IRQ>
[  459.599368][    C0]  dump_stack_lvl+0xcd/0x134
[  459.603942][    C0]  nmi_cpu_backtrace.cold+0x47/0x144
[  459.609200][    C0]  ? lapic_can_unplug_cpu+0x80/0x80
[  459.614376][    C0]  nmi_trigger_cpumask_backtrace+0x1ae/0x220
[  459.620590][    C0]  rcu_dump_cpu_stacks+0x25e/0x3f0
[  459.625678][    C0]  rcu_sched_clock_irq.cold+0x9d/0x746
[  459.631447][    C0]  ? lock_downgrade+0x6e0/0x6e0
[  459.636444][    C0]  ? rcu_read_lock_sched_held+0xd/0x70
[  459.641873][    C0]  ? lock_acquire+0x442/0x510
[  459.646520][    C0]  ? rcutree_dead_cpu+0x30/0x30
[  459.651605][    C0]  ? lock_release+0x522/0x720
[  459.656252][    C0]  ? lock_release+0x720/0x720
[  459.660898][    C0]  ? tick_sched_timer+0x2b/0x2d0
[  459.665809][    C0]  ? lock_downgrade+0x6e0/0x6e0
[  459.670842][    C0]  ? do_raw_spin_unlock+0x171/0x230
[  459.676372][    C0]  ? _raw_spin_unlock_irqrestore+0x3d/0x70
[  459.682158][    C0]  update_process_times+0x16d/0x200
[  459.687329][    C0]  tick_sched_handle+0x9b/0x180
[  459.692157][    C0]  tick_sched_timer+0x1b0/0x2d0
[  459.696981][    C0]  ? get_cpu_iowait_time_us+0x3f0/0x3f0
[  459.702586][    C0]  __hrtimer_run_queues+0x1c0/0xe50
[  459.707755][    C0]  ? hrtimer_sleeper_start_expires+0x80/0x80
[  459.713793][    C0]  ? ktime_get_update_offsets_now+0x3eb/0x5c0
[  459.719937][    C0]  hrtimer_interrupt+0x31c/0x790
[  459.724949][    C0]  __sysvec_apic_timer_interrupt+0x146/0x530
[  459.731080][    C0]  sysvec_apic_timer_interrupt+0x40/0xc0
[  459.736694][    C0]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[  459.742647][    C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60
[  459.748969][    C0] Code: 01 f0 4d 89 03 e9 63 fd ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 00 <65> 8b 05 39 d2 8b 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
[  459.768548][    C0] RSP: 0018:ffffc90000007cc8 EFLAGS: 00000246
[  459.774588][    C0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000100
[  459.782779][    C0] RDX: ffff888026c01c80 RSI: ffffffff8166647f RDI: 0000000000000003
[  459.790811][    C0] RBP: 0000000000010406 R08: 0000000000000000 R09: 0000000000000000
[  459.798754][    C0] R10: ffffffff81666475 R11: 0000000000000000 R12: 0000000000000000
[  459.806956][    C0] R13: dffffc0000000000 R14: ffffffff8b99ee08 R15: ffff88807eb31450
[  459.814901][    C0]  ? ktime_get_with_offset+0x1e5/0x500
[  459.820417][    C0]  ? ktime_get_with_offset+0x1ef/0x500
[  459.825849][    C0]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[  459.832061][    C0]  ktime_get_with_offset+0x1f5/0x500
[  459.837408][    C0]  mac80211_hwsim_beacon_tx+0x2e6/0x930
[  459.843107][    C0]  ? _raw_spin_unlock_irqrestore+0x3d/0x70
[  459.848969][    C0]  ? rcu_read_lock_sched_held+0xd/0x70
[  459.854400][    C0]  __iterate_interfaces+0x1e5/0x520
[  459.859572][    C0]  ? mac80211_hwsim_tx_frame+0x2a0/0x2a0
[  459.865356][    C0]  ? mac80211_hwsim_tx_frame+0x2a0/0x2a0
[  459.871278][    C0]  ? mac80211_hwsim_addr_match+0x180/0x180
[  459.877063][    C0]  ieee80211_iterate_active_interfaces_atomic+0x70/0x180
[  459.884059][    C0]  mac80211_hwsim_beacon+0xd5/0x1a0
[  459.889321][    C0]  __hrtimer_run_queues+0x609/0xe50
[  459.894517][    C0]  ? hrtimer_sleeper_start_expires+0x80/0x80
[  459.900473][    C0]  ? ktime_get_update_offsets_now+0x3eb/0x5c0
[  459.906517][    C0]  hrtimer_run_softirq+0x17b/0x360
[  459.911603][    C0]  __do_softirq+0x29b/0x9c2
[  459.916266][    C0]  __irq_exit_rcu+0x123/0x180
[  459.921115][    C0]  irq_exit_rcu+0x5/0x20
[  459.925520][    C0]  sysvec_apic_timer_interrupt+0x93/0xc0
[  459.931313][    C0]  </IRQ>
[  459.934217][    C0]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[  459.940707][    C0] RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60
[  459.947493][    C0] Code: fd ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 00 65 8b 05 39 d2 8b 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 40 f0 01 00 a9
[  459.967191][    C0] RSP: 0018:ffffc9000209f670 EFLAGS: 00000246
[  459.973230][    C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
[  459.981175][    C0] RDX: 0000000000000000 RSI: ffff888026c01c80 RDI: 0000000000000003
[  459.989117][    C0] RBP: ffffea0001bfbd80 R08: 0000000000000000 R09: ffffea0001bfbd87
[  459.997496][    C0] R10: ffffffff81a015d3 R11: 0000000000000000 R12: 0000000000000000
[  460.005440][    C0] R13: 0000000000000000 R14: ffffea0001bfbd88 R15: ffff888071089a90
[  460.013485][    C0]  ? lru_cache_add+0x233/0xa70
[  460.018230][    C0]  lru_cache_add+0x241/0xa70
[  460.022844][    C0]  __handle_mm_fault+0x35e6/0x5320
[  460.027931][    C0]  ? vm_iomap_memory+0x190/0x190
[  460.032843][    C0]  ? lock_release+0x720/0x720
[  460.037494][    C0]  ? cgroup_rstat_updated+0x284/0x390
[  460.042842][    C0]  handle_mm_fault+0x1c8/0x790
[  460.047580][    C0]  do_user_addr_fault+0x48b/0x11c0
[  460.052669][    C0]  exc_page_fault+0x9e/0x180
[  460.057235][    C0]  asm_exc_page_fault+0x1e/0x30
[  460.062057][    C0] RIP: 0010:__clear_user+0x40/0x70
[  460.067141][    C0] Code: c5 e7 89 e8 d2 ad b2 fd 0f 01 cb 48 89 d8 48 c1 eb 03 48 89 ef 83 e0 07 48 89 d9 48 85 c9 74 19 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
[  460.086776][    C0] RSP: 0018:ffffc9000209f9b0 EFLAGS: 00050206
[  460.092904][    C0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 000000000000008b
[  460.100849][    C0] RDX: ffff888026c01c80 RSI: ffffffff83f80a6e RDI: 0000000020f6cfff
[  460.108794][    C0] RBP: 0000000020f6c457 R08: 0000000000000000 R09: ffffffff8d6e6ad7
[  460.116738][    C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000020f6d457
[  460.124680][    C0] R13: 0000000020f6c457 R14: dffffc0000000000 R15: 0000000000000000
[  460.132626][    C0]  ? __clear_user+0x1e/0x70
[  460.137104][    C0]  clear_user+0xd3/0x110
[  460.141319][    C0]  iov_iter_zero+0x1bf/0x14a0
[  460.145983][    C0]  ? _copy_mc_to_iter+0x17a0/0x17a0
[  460.151153][    C0]  ? asm_sysvec_irq_work+0x12/0x20
[  460.156238][    C0]  ? trace_hardirqs_on+0x5b/0x1c0
[  460.161238][    C0]  ? asm_sysvec_irq_work+0x12/0x20
[  460.166321][    C0]  ? read_iter_zero+0xa1/0x250
[  460.171058][    C0]  read_iter_zero+0x10f/0x250
[  460.175706][    C0]  do_iter_readv_writev+0x56d/0x750
[  460.180877][    C0]  ? new_sync_write+0x660/0x660
[  460.185723][    C0]  ? security_file_permission+0xab/0xd0
[  460.191241][    C0]  do_iter_read+0x2f8/0x760
[  460.195718][    C0]  ? import_iovec+0x10c/0x150
[  460.200367][    C0]  vfs_readv+0xe5/0x150
[  460.204497][    C0]  ? vfs_iter_read+0xa0/0xa0
[  460.209072][    C0]  ? _raw_spin_unlock+0x24/0x40
[  460.213894][    C0]  ? putname+0x10c/0x150
[  460.218109][    C0]  ? do_sys_openat2+0xa1/0x4d0
[  460.222844][    C0]  ? rcu_read_lock_sched_held+0xd/0x70
[  460.228363][    C0]  ? lock_acquire+0x442/0x510
[  460.233113][    C0]  ? rcu_read_lock_sched_held+0xd/0x70
[  460.238555][    C0]  ? lock_release+0x522/0x720
[  460.243204][    C0]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[  460.249431][    C0]  ? __fget_light+0x215/0x280
[  460.254078][    C0]  do_readv+0x139/0x300
[  460.258209][    C0]  ? vfs_readv+0x150/0x150
[  460.262598][    C0]  ? trace_hardirqs_on+0x51/0x1c0
[  460.267596][    C0]  ? syscall_enter_from_user_mode+0x21/0x70
[  460.273462][    C0]  ? syscall_enter_from_user_mode+0x2b/0x70
[  460.279328][    C0]  do_syscall_64+0x35/0xb0
[  460.283736][    C0]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  460.289606][    C0] RIP: 0033:0x4411e9
[  460.293475][    C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48
[  460.313054][    C0] RSP: 002b:00007ffe1efc0218 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
[  460.321434][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004411e9
[  460.329463][    C0] RDX: 000000000000000a RSI: 0000000020001900 RDI: 0000000000000005
[  460.337407][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000c00000000
[  460.345613][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  460.354526][    C0] R13: 00007ffe1efc0280 R14: 00007ffe1efc0270 R15: 00000000004b83f0
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