Warning: Permanently added '10.128.0.255' (ECDSA) to the list of known hosts. syzkaller login: [ 64.275363][ T8492] IPVS: ftp: loaded support on port[0] = 21 [ 64.283901][ T8487] IPVS: ftp: loaded support on port[0] = 21 [ 64.288135][ T8489] IPVS: ftp: loaded support on port[0] = 21 [ 64.293790][ T8494] IPVS: ftp: loaded support on port[0] = 21 [ 64.306687][ T8493] IPVS: ftp: loaded support on port[0] = 21 [ 64.320050][ T8491] IPVS: ftp: loaded support on port[0] = 21 [ 64.597645][ T81] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.619554][ T81] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.641490][ T213] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.653792][ T8580] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.664213][ T213] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.680903][ T81] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.698205][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.705811][ T81] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.722623][ T8580] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.832870][ T213] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.832965][ T81] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.840801][ T213] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.841949][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.863517][ T81] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.883155][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.898961][ T213] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.906649][ T81] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.911577][ T213] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 64.927436][ T81] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.934950][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.967925][ T213] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program executing program [ 64.978969][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.990779][ T213] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.009627][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.044571][ T213] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.060573][ T213] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.075951][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.084264][ T21] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.096718][ T21] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.115499][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 65.155426][ T21] ------------[ cut here ]------------ [ 65.161736][ T21] WARNING: CPU: 0 PID: 21 at net/mac80211/ibss.c:504 ieee80211_ibss_csa_beacon+0x5ec/0x730 [ 65.173247][ T21] Modules linked in: [ 65.177187][ T21] CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc6-syzkaller #0 [ 65.186528][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.197219][ T21] Workqueue: phy10 ieee80211_csa_finalize_work [ 65.203973][ T21] RIP: 0010:ieee80211_ibss_csa_beacon+0x5ec/0x730 [ 65.210771][ T21] Code: ff e8 a8 b7 9c 00 31 ff 89 c5 89 c6 e8 9d 2c 27 f9 85 ed 0f 85 84 fa ff ff e8 40 34 27 f9 0f 0b e9 78 fa ff ff e8 34 34 27 f9 <0f> 0b 41 bd ea ff ff ff e9 e1 fd ff ff e8 72 b2 68 f9 e9 8f fa ff [ 65.230773][ T21] RSP: 0018:ffffc90000dbfc50 EFLAGS: 00010293 [ 65.237212][ T21] RAX: 0000000000000000 RBX: ffff88801c070c00 RCX: ffffffff8155a937 [ 65.245475][ T21] RDX: ffff888010e1b480 RSI: ffffffff8848d04c RDI: 0000000000000000 [ 65.253551][ T21] RBP: 0000000000000002 R08: 0000000000000001 R09: ffffffff8ebaf727 [ 65.261524][ T21] R10: fffffbfff1d75ee4 R11: 0000000000000001 R12: 0000000000000000 [ 65.269697][ T21] R13: ffff88801c0718f0 R14: ffff888022400c80 R15: ffff88801c071248 [ 65.277903][ T21] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 65.287094][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.293798][ T21] CR2: 00007fdcb7060000 CR3: 0000000012b2b000 CR4: 00000000001506e0 [ 65.301776][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.311124][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.319262][ T21] Call Trace: [ 65.322633][ T21] ? ieee80211_ibss_finish_csa+0xf7/0x4c0 [ 65.328376][ T21] __ieee80211_csa_finalize+0x504/0xbf0 [ 65.334218][ T21] ieee80211_csa_finalize_work+0x131/0x170 [ 65.340039][ T21] process_one_work+0x933/0x15a0 [ 65.345082][ T21] ? lock_release+0x710/0x710 [ 65.349758][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 65.355231][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 65.360198][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 65.365301][ T21] worker_thread+0x64c/0x1120 [ 65.369991][ T21] ? __kthread_parkme+0x13f/0x1e0 [ 65.375109][ T21] ? process_one_work+0x15a0/0x15a0 [ 65.380334][ T21] kthread+0x3b1/0x4a0 [ 65.384482][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 65.390387][ T21] ret_from_fork+0x1f/0x30 [ 65.394956][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 65.401592][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc6-syzkaller #0 [ 65.409895][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.419953][ T21] Workqueue: phy10 ieee80211_csa_finalize_work [ 65.426097][ T21] Call Trace: [ 65.429387][ T21] dump_stack+0x107/0x163 [ 65.433727][ T21] panic+0x306/0x73d [ 65.437613][ T21] ? __warn_printk+0xf3/0xf3 [ 65.442195][ T21] ? __warn.cold+0x1a/0x44 [ 65.446598][ T21] ? __warn+0xf1/0x210 [ 65.450657][ T21] ? ieee80211_ibss_csa_beacon+0x5ec/0x730 [ 65.456454][ T21] __warn.cold+0x35/0x44 [ 65.460695][ T21] ? ieee80211_ibss_csa_beacon+0x5ec/0x730 [ 65.466486][ T21] report_bug+0x1bd/0x210 [ 65.470805][ T21] handle_bug+0x3c/0x60 [ 65.474942][ T21] exc_invalid_op+0x14/0x40 [ 65.479422][ T21] asm_exc_invalid_op+0x12/0x20 [ 65.484274][ T21] RIP: 0010:ieee80211_ibss_csa_beacon+0x5ec/0x730 [ 65.490669][ T21] Code: ff e8 a8 b7 9c 00 31 ff 89 c5 89 c6 e8 9d 2c 27 f9 85 ed 0f 85 84 fa ff ff e8 40 34 27 f9 0f 0b e9 78 fa ff ff e8 34 34 27 f9 <0f> 0b 41 bd ea ff ff ff e9 e1 fd ff ff e8 72 b2 68 f9 e9 8f fa ff [ 65.510385][ T21] RSP: 0018:ffffc90000dbfc50 EFLAGS: 00010293 [ 65.516518][ T21] RAX: 0000000000000000 RBX: ffff88801c070c00 RCX: ffffffff8155a937 [ 65.524473][ T21] RDX: ffff888010e1b480 RSI: ffffffff8848d04c RDI: 0000000000000000 [ 65.532427][ T21] RBP: 0000000000000002 R08: 0000000000000001 R09: ffffffff8ebaf727 [ 65.540394][ T21] R10: fffffbfff1d75ee4 R11: 0000000000000001 R12: 0000000000000000 [ 65.548360][ T21] R13: ffff88801c0718f0 R14: ffff888022400c80 R15: ffff88801c071248 [ 65.556340][ T21] ? mark_lock+0xf7/0x1730 [ 65.560748][ T21] ? ieee80211_ibss_csa_beacon+0x5ec/0x730 [ 65.566551][ T21] ? ieee80211_ibss_finish_csa+0xf7/0x4c0 [ 65.572257][ T21] __ieee80211_csa_finalize+0x504/0xbf0 [ 65.577787][ T21] ieee80211_csa_finalize_work+0x131/0x170 [ 65.583574][ T21] process_one_work+0x933/0x15a0 [ 65.588492][ T21] ? lock_release+0x710/0x710 [ 65.593158][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 65.598532][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 65.603499][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 65.608524][ T21] worker_thread+0x64c/0x1120 [ 65.613202][ T21] ? __kthread_parkme+0x13f/0x1e0 [ 65.618210][ T21] ? process_one_work+0x15a0/0x15a0 [ 65.623395][ T21] kthread+0x3b1/0x4a0 [ 65.627482][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 65.633367][ T21] ret_from_fork+0x1f/0x30 [ 65.638648][ T21] Kernel Offset: disabled [ 65.643041][ T21] Rebooting in 86400 seconds..