Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts. syzkaller login: [ 63.211340][ T8508] IPVS: ftp: loaded support on port[0] = 21 [ 63.283801][ T194] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.305820][ T194] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program [ 63.335086][ T21] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.345060][ T21] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.347513][ T4912] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.365312][ T4912] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.506445][ C0] ------------[ cut here ]------------ [ 63.512590][ C0] no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 [ 63.523568][ C0] WARNING: CPU: 0 PID: 8562 at net/mac80211/rate.c:375 __rate_control_send_low+0x4d0/0x6d0 [ 63.534163][ C0] Modules linked in: [ 63.538092][ C0] CPU: 0 PID: 8562 Comm: syz-executor743 Not tainted 5.10.0-rc5-syzkaller #0 [ 63.547579][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.558006][ C0] RIP: 0010:__rate_control_send_low+0x4d0/0x6d0 [ 63.564332][ C0] Code: 14 48 89 44 24 08 e8 cf 2a 26 f9 44 8b 44 24 24 45 89 e9 44 89 e1 48 8b 74 24 08 44 89 f2 48 c7 c7 a0 df 61 8a e8 4c 59 62 00 <0f> 0b e9 1c fe ff ff e8 a4 2a 26 f9 48 8b 44 24 10 48 8d 78 7f 48 [ 63.584274][ C0] RSP: 0018:ffffc90000007a40 EFLAGS: 00010282 [ 63.590363][ C0] RAX: 0000000000000000 RBX: ffff8880208a52a8 RCX: 0000000000000000 [ 63.598499][ C0] RDX: ffff888016399a40 RSI: ffffffff8158c865 RDI: fffff52000000f3a [ 63.606558][ C0] RBP: ffff888020d4b148 R08: 0000000000000001 R09: ffff8880b9e30627 [ 63.614820][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 63.623267][ C0] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000090 [ 63.631972][ C0] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 63.641139][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.647854][ C0] CR2: 00000000004c69a8 CR3: 000000000b08e000 CR4: 00000000001506f0 [ 63.656005][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.664417][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.672561][ C0] Call Trace: [ 63.675861][ C0] [ 63.678878][ C0] rate_control_send_low+0x265/0x730 [ 63.684404][ C0] rate_control_get_rate+0x1b9/0x5a0 [ 63.689881][ C0] __ieee80211_beacon_get+0xb06/0x1aa0 [ 63.695442][ C0] ? ieee80211_set_beacon_cntdwn+0x620/0x620 [ 63.701936][ C0] ? find_held_lock+0x2d/0x110 [ 63.707028][ C0] ieee80211_beacon_get_tim+0x88/0x910 [ 63.712714][ C0] ? ieee80211_beacon_get_template+0x30/0x30 [ 63.718895][ C0] mac80211_hwsim_beacon_tx+0x111/0x910 [ 63.724733][ C0] __iterate_interfaces+0x1e5/0x520 [ 63.730388][ C0] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 63.736409][ C0] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 63.742653][ C0] ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 [ 63.750133][ C0] ? mac80211_hwsim_addr_match+0x180/0x180 [ 63.756337][ C0] mac80211_hwsim_beacon+0xd5/0x1a0 [ 63.761634][ C0] ? mac80211_hwsim_addr_match+0x180/0x180 [ 63.767770][ C0] __hrtimer_run_queues+0x693/0xea0 [ 63.773084][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 63.779216][ C0] ? ktime_get_update_offsets_now+0x249/0x320 [ 63.785700][ C0] hrtimer_run_softirq+0x17b/0x360 [ 63.790862][ C0] __do_softirq+0x2a0/0x9f6 [ 63.795739][ C0] asm_call_irq_on_stack+0xf/0x20 [ 63.800903][ C0] [ 63.804052][ C0] do_softirq_own_stack+0xaa/0xd0 [ 63.809216][ C0] irq_exit_rcu+0x132/0x200 [ 63.813956][ C0] sysvec_apic_timer_interrupt+0x4d/0x100 [ 63.820068][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 63.826280][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x50 [ 63.833185][ C0] Code: f8 5d c3 66 90 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 fa 7a 6e f8 48 89 ef e8 82 2f 6f f8 f6 c7 02 75 1a 53 9d 01 00 00 00 e8 81 9b 63 f8 65 8b 05 8a 45 1a 77 85 c0 74 0a 5b [ 63.853368][ C0] RSP: 0018:ffffc900017bfc08 EFLAGS: 00000a02 [ 63.859669][ C0] RAX: 0000000000000cd5 RBX: 0000000000000a02 RCX: 1ffffffff19d8db9 [ 63.867850][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 63.875910][ C0] RBP: ffffffff8f18a5b8 R08: 0000000000000001 R09: 0000000000000001 [ 63.884122][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffffffff1e314b6 [ 63.892271][ C0] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 63.900641][ C0] debug_check_no_obj_freed+0x20c/0x420 [ 63.906407][ C0] ? slab_free_freelist_hook+0xb9/0x150 [ 63.912133][ C0] slab_free_freelist_hook+0x107/0x150 [ 63.917613][ C0] ? put_files_struct+0x2c8/0x350 [ 63.922844][ C0] kmem_cache_free+0x82/0x350 [ 63.927780][ C0] put_files_struct+0x2c8/0x350 [ 63.932727][ C0] exit_files+0x12a/0x170 [ 63.937087][ C0] do_exit+0xb2a/0x29b0 [ 63.941507][ C0] ? mm_update_next_owner+0x7a0/0x7a0 [ 63.947117][ C0] do_group_exit+0x125/0x310 [ 63.951887][ C0] __x64_sys_exit_group+0x3a/0x50 [ 63.956941][ C0] do_syscall_64+0x2d/0x70 [ 63.961588][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.967745][ C0] RIP: 0033:0x4413d8 [ 63.971760][ C0] Code: Unable to access opcode bytes at RIP 0x4413ae. [ 63.978795][ C0] RSP: 002b:00007ffe921c6eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 63.987622][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004413d8 [ 63.995707][ C0] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 64.004100][ C0] RBP: 00000000004c6970 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 64.012486][ C0] R10: 0000002100000000 R11: 0000000000000246 R12: 0000000000000001 [ 64.020993][ C0] R13: 00000000006da240 R14: 000000000000000c R15: 0000000000000004 [ 64.029173][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 64.036231][ C0] CPU: 0 PID: 8562 Comm: syz-executor743 Not tainted 5.10.0-rc5-syzkaller #0 [ 64.045307][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.055481][ C0] Call Trace: [ 64.058847][ C0] [ 64.061859][ C0] dump_stack+0x107/0x163 [ 64.066193][ C0] panic+0x306/0x73d [ 64.070086][ C0] ? __warn_printk+0xf3/0xf3 [ 64.074674][ C0] ? __warn.cold+0x1a/0x44 [ 64.079256][ C0] ? __warn+0xf1/0x210 [ 64.083327][ C0] ? __rate_control_send_low+0x4d0/0x6d0 [ 64.088953][ C0] __warn.cold+0x35/0x44 [ 64.093208][ C0] ? __rate_control_send_low+0x4d0/0x6d0 [ 64.098866][ C0] report_bug+0x1bd/0x210 [ 64.103209][ C0] handle_bug+0x3c/0x60 [ 64.107357][ C0] exc_invalid_op+0x14/0x40 [ 64.111984][ C0] asm_exc_invalid_op+0x12/0x20 [ 64.116836][ C0] RIP: 0010:__rate_control_send_low+0x4d0/0x6d0 [ 64.123217][ C0] Code: 14 48 89 44 24 08 e8 cf 2a 26 f9 44 8b 44 24 24 45 89 e9 44 89 e1 48 8b 74 24 08 44 89 f2 48 c7 c7 a0 df 61 8a e8 4c 59 62 00 <0f> 0b e9 1c fe ff ff e8 a4 2a 26 f9 48 8b 44 24 10 48 8d 78 7f 48 [ 64.143215][ C0] RSP: 0018:ffffc90000007a40 EFLAGS: 00010282 [ 64.149440][ C0] RAX: 0000000000000000 RBX: ffff8880208a52a8 RCX: 0000000000000000 [ 64.157897][ C0] RDX: ffff888016399a40 RSI: ffffffff8158c865 RDI: fffff52000000f3a [ 64.165872][ C0] RBP: ffff888020d4b148 R08: 0000000000000001 R09: ffff8880b9e30627 [ 64.173855][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 64.181841][ C0] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000090 [ 64.189823][ C0] ? vprintk_func+0x95/0x1e0 [ 64.194552][ C0] rate_control_send_low+0x265/0x730 [ 64.200013][ C0] rate_control_get_rate+0x1b9/0x5a0 [ 64.205302][ C0] __ieee80211_beacon_get+0xb06/0x1aa0 [ 64.210762][ C0] ? ieee80211_set_beacon_cntdwn+0x620/0x620 [ 64.216812][ C0] ? find_held_lock+0x2d/0x110 [ 64.221647][ C0] ieee80211_beacon_get_tim+0x88/0x910 [ 64.227108][ C0] ? ieee80211_beacon_get_template+0x30/0x30 [ 64.233148][ C0] mac80211_hwsim_beacon_tx+0x111/0x910 [ 64.238914][ C0] __iterate_interfaces+0x1e5/0x520 [ 64.244444][ C0] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 64.250175][ C0] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 64.255981][ C0] ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 [ 64.263133][ C0] ? mac80211_hwsim_addr_match+0x180/0x180 [ 64.268936][ C0] mac80211_hwsim_beacon+0xd5/0x1a0 [ 64.274270][ C0] ? mac80211_hwsim_addr_match+0x180/0x180 [ 64.280088][ C0] __hrtimer_run_queues+0x693/0xea0 [ 64.285623][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 64.291765][ C0] ? ktime_get_update_offsets_now+0x249/0x320 [ 64.297959][ C0] hrtimer_run_softirq+0x17b/0x360 [ 64.303455][ C0] __do_softirq+0x2a0/0x9f6 [ 64.308158][ C0] asm_call_irq_on_stack+0xf/0x20 [ 64.313178][ C0] [ 64.316146][ C0] do_softirq_own_stack+0xaa/0xd0 [ 64.321297][ C0] irq_exit_rcu+0x132/0x200 [ 64.325800][ C0] sysvec_apic_timer_interrupt+0x4d/0x100 [ 64.331530][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 64.337524][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x50 [ 64.344083][ C0] Code: f8 5d c3 66 90 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 fa 7a 6e f8 48 89 ef e8 82 2f 6f f8 f6 c7 02 75 1a 53 9d 01 00 00 00 e8 81 9b 63 f8 65 8b 05 8a 45 1a 77 85 c0 74 0a 5b [ 64.364382][ C0] RSP: 0018:ffffc900017bfc08 EFLAGS: 00000a02 [ 64.371044][ C0] RAX: 0000000000000cd5 RBX: 0000000000000a02 RCX: 1ffffffff19d8db9 [ 64.379511][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 64.387485][ C0] RBP: ffffffff8f18a5b8 R08: 0000000000000001 R09: 0000000000000001 [ 64.396023][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffffffff1e314b6 [ 64.404142][ C0] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 64.412290][ C0] debug_check_no_obj_freed+0x20c/0x420 [ 64.417853][ C0] ? slab_free_freelist_hook+0xb9/0x150 [ 64.423753][ C0] slab_free_freelist_hook+0x107/0x150 [ 64.429524][ C0] ? put_files_struct+0x2c8/0x350 [ 64.434989][ C0] kmem_cache_free+0x82/0x350 [ 64.439950][ C0] put_files_struct+0x2c8/0x350 [ 64.445125][ C0] exit_files+0x12a/0x170 [ 64.449613][ C0] do_exit+0xb2a/0x29b0 [ 64.453862][ C0] ? mm_update_next_owner+0x7a0/0x7a0 [ 64.459843][ C0] do_group_exit+0x125/0x310 [ 64.464863][ C0] __x64_sys_exit_group+0x3a/0x50 [ 64.470198][ C0] do_syscall_64+0x2d/0x70 [ 64.475166][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.481367][ C0] RIP: 0033:0x4413d8 [ 64.485393][ C0] Code: Unable to access opcode bytes at RIP 0x4413ae. [ 64.492607][ C0] RSP: 002b:00007ffe921c6eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.501529][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004413d8 [ 64.509957][ C0] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 64.518304][ C0] RBP: 00000000004c6970 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 64.526392][ C0] R10: 0000002100000000 R11: 0000000000000246 R12: 0000000000000001 [ 64.534514][ C0] R13: 00000000006da240 R14: 000000000000000c R15: 0000000000000004 [ 64.543850][ C0] Kernel Offset: disabled [ 64.548268][ C0] Rebooting in 86400 seconds..