[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts. syzkaller login: [ 37.492699] IPVS: ftp: loaded support on port[0] = 21 [ 37.554963] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 37.562754] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.569955] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.596104] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.612293] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 37.618679] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.627086] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.634335] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program executing program executing program executing program executing program executing program [ 37.713149] ------------[ cut here ]------------ [ 37.718009] no supported rates (0xffffffff) in rate_mask 0x0 with flags 0x0 [ 37.725795] WARNING: CPU: 1 PID: 8158 at net/mac80211/rate.c:359 __rate_control_send_low+0x4bb/0x580 [ 37.735073] Kernel panic - not syncing: panic_on_warn set ... [ 37.735073] [ 37.742422] CPU: 1 PID: 8158 Comm: syz-executor328 Not tainted 4.19.157-syzkaller #0 [ 37.750333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.759681] Call Trace: [ 37.762243] [ 37.764380] dump_stack+0x1fc/0x2fe [ 37.767993] panic+0x26a/0x50e [ 37.771168] ? __warn_printk+0xf3/0xf3 [ 37.775038] ? __rate_control_send_low+0x4bb/0x580 [ 37.779975] ? __probe_kernel_read+0x130/0x1b0 [ 37.784555] ? __warn.cold+0x5/0x61 [ 37.788169] ? __warn+0xe4/0x200 [ 37.791517] ? __rate_control_send_low+0x4bb/0x580 [ 37.796430] __warn.cold+0x20/0x61 [ 37.799961] ? __rate_control_send_low+0x4bb/0x580 [ 37.804877] report_bug+0x262/0x2b0 [ 37.808504] do_error_trap+0x1d7/0x310 [ 37.812373] ? math_error+0x310/0x310 [ 37.816156] ? __irq_work_queue_local+0x101/0x160 [ 37.820994] ? irq_work_queue+0x29/0x80 [ 37.824967] ? error_entry+0x72/0xd0 [ 37.828664] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.834643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.839486] invalid_op+0x14/0x20 [ 37.842923] RIP: 0010:__rate_control_send_low+0x4bb/0x580 [ 37.848446] Code: 0f 85 d6 00 00 00 48 8b 44 24 18 44 8b 24 a8 e8 4b 61 a9 f9 8b 54 24 24 44 89 e9 44 89 e6 48 c7 c7 a0 fd 66 89 e8 b0 3e 7d f9 <0f> 0b e9 03 fe ff ff e8 29 61 a9 f9 41 83 cd 10 e9 32 fc ff ff e8 [ 37.867333] RSP: 0018:ffff8880ba107a60 EFLAGS: 00010282 [ 37.872691] RAX: 0000000000000000 RBX: ffff88809c7050a8 RCX: 0000000000000000 [ 37.879957] RDX: 0000000000000100 RSI: ffffffff814fdb21 RDI: ffffed1017420f3e [ 37.887219] RBP: ffff8880b0522aa8 R08: 0000000000000001 R09: 0000000000000000 [ 37.894469] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000ffffffff [ 37.901742] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000000 [ 37.909028] ? vprintk_func+0x81/0x17e [ 37.912908] rate_control_send_low+0x272/0x610 [ 37.917474] ? check_preemption_disabled+0x41/0x280 [ 37.922494] ? minstrel_ht_alloc_sta+0x2b0/0x2b0 [ 37.927253] minstrel_ht_get_rate+0x58/0x1510 [ 37.931740] ? __ieee80211_beacon_get+0x1572/0x1a30 [ 37.936739] ? minstrel_ht_alloc_sta+0x2b0/0x2b0 [ 37.941478] rate_control_get_rate+0x43c/0x520 [ 37.946065] __ieee80211_beacon_get+0x93b/0x1a30 [ 37.950804] ? ieee80211_csa_update_counter+0x470/0x470 [ 37.956148] ? debug_object_activate+0x12f/0x450 [ 37.960899] ? mark_held_locks+0xf0/0xf0 [ 37.964956] ieee80211_beacon_get_tim+0x88/0x890 [ 37.969704] ? ieee80211_beacon_get_template+0x30/0x30 [ 37.974996] mac80211_hwsim_beacon_tx+0xff/0x680 [ 37.979736] __iterate_interfaces+0x2e1/0x4a0 [ 37.984212] ? hwsim_send_ps_poll+0x510/0x510 [ 37.988689] ? hwsim_send_ps_poll+0x510/0x510 [ 37.993167] ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 [ 37.999468] mac80211_hwsim_beacon+0xc9/0x190 [ 38.003948] __tasklet_hrtimer_trampoline+0x29/0xa0 [ 38.008950] tasklet_action_common.constprop.0+0x265/0x360 [ 38.014563] __do_softirq+0x26c/0x9a0 [ 38.018363] irq_exit+0x215/0x260 [ 38.021817] smp_apic_timer_interrupt+0x136/0x550 [ 38.026672] apic_timer_interrupt+0xf/0x20 [ 38.030901] [ 38.033141] RIP: 0010:__free_pages_ok+0x72a/0xd30 [ 38.037979] Code: 8d 6b 28 be 04 00 00 00 48 89 ef e8 20 de 19 00 48 89 ea 48 c1 ea 03 42 0f b6 34 2a 48 89 ea 83 e2 07 83 c2 03 40 38 f2 7c 09 <40> 84 f6 0f 85 f5 03 00 00 41 8b 57 30 83 fa ff 0f 85 7b 01 00 00 [ 38.056884] RSP: 0018:ffff888098fcfa70 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 [ 38.064594] RAX: fffff9400045d807 RBX: ffffea00022ec008 RCX: ffffffff818104f0 [ 38.074238] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffea00022ec030 [ 38.081611] RBP: ffffea00022ec030 R08: 0000000000000000 R09: fffff9400045d806 [ 38.088867] R10: ffffea00022ec033 R11: 0000000000000000 R12: 0000000000000009 [ 38.096131] R13: dffffc0000000000 R14: ffffea00022e8000 R15: ffffea00022ec000 [ 38.103416] ? __free_pages_ok+0x710/0xd30 [ 38.107646] release_pages+0xab5/0x15a0 [ 38.111654] ? __put_compound_page+0xc0/0xc0 [ 38.116052] ? free_pages_and_swap_cache+0x2fc/0x3a0 [ 38.121146] tlb_flush_mmu+0x1dc/0x4f0 [ 38.125080] tlb_finish_mmu+0x108/0x200 [ 38.129037] exit_mmap+0x2d9/0x530 [ 38.132568] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 38.137840] ? __khugepaged_exit+0x2a6/0x3e0 [ 38.142247] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.147245] ? kmem_cache_free+0x226/0x260 [ 38.151460] ? __khugepaged_exit+0x2c7/0x3e0 [ 38.155851] mmput+0x14e/0x4a0 [ 38.159040] do_exit+0xab5/0x2b70 [ 38.162492] ? lock_downgrade+0x720/0x720 [ 38.166635] ? mm_update_next_owner+0x650/0x650 [ 38.171286] ? up_read+0x17/0x110 [ 38.174720] ? __do_page_fault+0x180/0xd60 [ 38.178938] do_group_exit+0x125/0x310 [ 38.182841] __x64_sys_exit_group+0x3a/0x50 [ 38.187161] do_syscall_64+0xf9/0x620 [ 38.190948] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.196117] RIP: 0033:0x4413d8 [ 38.199325] Code: Bad RIP value. [ 38.202676] RSP: 002b:00007ffd40031f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.210390] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004413d8 [ 38.217661] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 38.224914] RBP: 00000000004c6970 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 38.232189] R10: 0000001d00000000 R11: 0000000000000246 R12: 0000000000000001 [ 38.240507] R13: 00000000006da240 R14: 000000000000000c R15: 0000000000000004 [ 38.248676] Kernel Offset: disabled [ 38.252347] Rebooting in 86400 seconds..