Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. [ 69.444425][ T8388] IPVS: ftp: loaded support on port[0] = 21 [ 69.463112][ T8386] IPVS: ftp: loaded support on port[0] = 21 [ 69.464246][ T8387] IPVS: ftp: loaded support on port[0] = 21 [ 69.472558][ T8389] IPVS: ftp: loaded support on port[0] = 21 [ 69.489539][ T8391] IPVS: ftp: loaded support on port[0] = 21 [ 69.489969][ T8390] IPVS: ftp: loaded support on port[0] = 21 [ 69.827978][ T194] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.853829][ T194] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.897922][ T273] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.918110][ T273] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.931319][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.993282][ T182] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.005801][ T182] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.013482][ T3153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.035096][ T3153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.055534][ T194] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.066611][ T182] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.074587][ T182] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.092726][ T194] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.128372][ T3153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.138890][ T3153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.154721][ T43] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.172131][ T182] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.178077][ T43] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.202144][ T182] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.213238][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.230086][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.269142][ T43] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.280763][ T43] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program [ 70.324069][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.338795][ T273] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.371656][ T8618] vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) [ 70.375836][ T273] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.378359][ T8618] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 70.386687][ T8619] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) [ 70.399814][ T8619] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 70.415138][ T182] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.422561][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.443910][ T182] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.475495][ T8629] vhci_hcd: vhci_tx_loop: thread starting 000000004eba9407 with sock 0000000074b7ebea [ 70.486005][ T8627] vhci_hcd: connection closed [ 70.487051][ T273] vhci_hcd: vhci_shutdown_connection: stop rx 0000000055328d1d [ 70.487263][ T8618] vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(3) [ 70.505932][ T8618] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 70.514563][ T43] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.519419][ T273] vhci_hcd: vhci_shutdown_connection: stop tx 000000004eba9407 [ 70.528690][ T43] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.544936][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.563902][ T182] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 70.584223][ T8629] vhci_hcd: vhci_tx_loop: thread exiting 000000004eba9407 with sock 0000000074b7ebea [ 70.596412][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.604211][ T8638] vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) [ 70.610739][ T8638] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 70.612475][ T182] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.629224][ T273] vhci_hcd: stop threads [ 70.630511][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.637493][ T273] vhci_hcd: vhci_shutdown_connection: close sock 0000000074b7ebea [ 70.651536][ T273] vhci_hcd: release socket [ 70.659303][ T8641] vhci_hcd: vhci_tx_loop: thread starting 000000006bef84c3 with sock 00000000d748f57b [ 70.663340][ T8639] vhci_hcd: connection closed [ 70.669986][ T8619] vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(3) [ 70.671395][ T8618] ------------[ cut here ]------------ [ 70.674681][ T8619] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 70.677767][ T273] vhci_hcd: disconnect device [ 70.683664][ T8640] vhci_hcd: connection closed [ 70.688647][ T8645] vhci_hcd: vhci_tx_loop: thread starting 00000000bacb736a with sock 00000000b8d64daa [ 70.706310][ T8618] kernel BUG at drivers/usb/usbip/vhci_sysfs.c:396! [ 70.721539][ T8644] vhci_hcd: connection closed [ 70.723980][ T8638] vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(3) [ 70.724607][ T8643] vhci_hcd: connection closed [ 70.728677][ T8638] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 70.735114][ T8646] vhci_hcd: vhci_tx_loop: thread starting 000000009902556d with sock 00000000fae3b8c3 [ 70.741377][ T273] vhci_hcd: vhci_shutdown_connection: stop rx 000000003b4da329 [ 70.750857][ T8649] vhci_hcd: vhci_tx_loop: thread starting 0000000059934c95 with sock 00000000e0fb3dfc [ 70.763575][ T273] vhci_hcd: vhci_shutdown_connection: stop tx 000000006bef84c3 executing program [ 70.767724][ T8648] vhci_hcd: connection closed [ 70.788973][ T8641] vhci_hcd: vhci_tx_loop: thread exiting 000000006bef84c3 with sock 00000000d748f57b [ 70.789754][ T8618] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 70.796930][ T8651] vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) [ 70.803099][ T8618] CPU: 0 PID: 8618 Comm: syz-executor320 Not tainted 5.11.0-rc6-next-20210205-syzkaller #0 [ 70.809144][ T8651] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 70.815610][ T8618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.830708][ T8651] vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(3) [ 70.833071][ T8618] RIP: 0010:attach_store.cold+0x376/0x396 [ 70.843110][ T8651] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 70.849581][ T8618] Code: e8 47 0d d0 f8 48 8b 5d 70 48 c7 c7 00 f0 ff ff 48 89 de e8 b4 50 8c f8 48 81 fb 00 f0 ff ff 0f 87 56 ff ff ff e8 b2 48 8c f8 <0f> 0b e8 ab 48 8c f8 8b b4 24 90 00 00 00 48 89 ef e8 5c ff b3 fc [ 70.860952][ T8652] vhci_hcd: connection closed [ 70.862790][ T8618] RSP: 0018:ffffc9000219fb58 EFLAGS: 00010293 [ 70.862811][ T8618] RAX: 0000000000000000 RBX: ffff88802cad5400 RCX: 0000000000000000 [ 70.882453][ T8653] vhci_hcd: vhci_tx_loop: thread starting 00000000899c9544 with sock 00000000324f1f9c [ 70.887045][ T8618] RDX: ffff88801b4f0000 RSI: ffffffff88e6a42e RDI: 0000000000000003 [ 70.887061][ T8618] RBP: ffff88801cb445d0 R08: fffffffffffff000 R09: ffff88801c550227 [ 70.887076][ T8618] R10: ffffffff88e6a41c R11: 000000000000003f R12: fffffffffffffffc [ 70.893642][ T8655] vhci_hcd: vhci_tx_loop: thread starting 00000000af8f6634 with sock 00000000d74dba20 [ 70.901062][ T8618] R13: ffff88801cb44640 R14: ffff88801cb445e8 R15: ffff888031d99500 [ 70.901080][ T8618] FS: 00007f01b8d65700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.901105][ T8618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.913469][ T8654] vhci_hcd: connection closed [ 70.918566][ T8618] CR2: 00000000004ce974 CR3: 00000000138e2000 CR4: 00000000001506f0 [ 70.918583][ T8618] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.987935][ T8618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.995892][ T8618] Call Trace: [ 70.999153][ T8618] ? status_show+0x570/0x570 [ 71.003731][ T8618] ? status_show+0x570/0x570 [ 71.008302][ T8618] ? sysfs_file_ops+0x1c0/0x1c0 [ 71.013133][ T8618] dev_attr_store+0x50/0x80 [ 71.017631][ T8618] ? component_del+0x540/0x540 [ 71.022375][ T8618] sysfs_kf_write+0x110/0x160 [ 71.027034][ T8618] kernfs_fop_write_iter+0x342/0x500 [ 71.032302][ T8618] new_sync_write+0x426/0x650 [ 71.036973][ T8618] ? new_sync_read+0x6e0/0x6e0 [ 71.041733][ T8618] ? lock_release+0x710/0x710 [ 71.046403][ T8618] ? apparmor_file_permission+0x26e/0x4e0 [ 71.052109][ T8618] vfs_write+0x791/0xa30 [ 71.056350][ T8618] ksys_write+0x12d/0x250 [ 71.060665][ T8618] ? __ia32_sys_read+0xb0/0xb0 [ 71.065422][ T8618] ? syscall_enter_from_user_mode+0x1d/0x50 [ 71.071299][ T8618] do_syscall_64+0x2d/0x70 [ 71.075713][ T8618] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.081593][ T8618] RIP: 0033:0x4087ef [ 71.085488][ T8618] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 71.105076][ T8618] RSP: 002b:00007f01b8d64d60 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 71.113476][ T8618] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00000000004087ef [ 71.121448][ T8618] RDX: 0000000000000008 RSI: 00007f01b8d64db0 RDI: 0000000000000005 [ 71.129403][ T8618] RBP: 0000000000000005 R08: 0000000000000000 R09: 00007f01b8d64d00 executing program [ 71.137357][ T8618] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f01b8d64db0 [ 71.145378][ T8618] R13: 0000000000000000 R14: 00007f01b8d65400 R15: 0000000000022000 [ 71.153337][ T8618] Modules linked in: [ 71.162552][ T273] vhci_hcd: stop threads [ 71.166837][ T273] vhci_hcd: vhci_shutdown_connection: close sock 00000000d748f57b [ 71.175013][ T273] vhci_hcd: release socket [ 71.181677][ T273] vhci_hcd: disconnect device [ 71.184525][ T8658] vhci_hcd vhci_hcd.0: port 0 already used [ 71.186539][ T273] vhci_hcd: vhci_shutdown_connection: stop rx 00000000641feb61 [ 71.186594][ T273] vhci_hcd: vhci_shutdown_connection: stop tx fffffffffffffffc [ 71.196555][ T8658] vhci_hcd vhci_hcd.0: port 1 already used [ 71.200024][ T273] ================================================================== [ 71.221275][ T273] BUG: KASAN: null-ptr-deref in kthread_stop+0x90/0x720 [ 71.225642][ T8618] ---[ end trace 75e4258283acc3db ]--- [ 71.228209][ T273] Write of size 4 at addr 0000000000000024 by task kworker/u4:6/273 [ 71.228229][ T273] [ 71.228235][ T273] CPU: 0 PID: 273 Comm: kworker/u4:6 Tainted: G D 5.11.0-rc6-next-20210205-syzkaller #0 [ 71.233687][ T8618] RIP: 0010:attach_store.cold+0x376/0x396 [ 71.241612][ T273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.241629][ T273] Workqueue: usbip_event event_handler [ 71.241653][ T273] Call Trace: [ 71.246873][ T8618] Code: e8 47 0d d0 f8 48 8b 5d 70 48 c7 c7 00 f0 ff ff 48 89 de e8 b4 50 8c f8 48 81 fb 00 f0 ff ff 0f 87 56 ff ff ff e8 b2 48 8c f8 <0f> 0b e8 ab 48 8c f8 8b b4 24 90 00 00 00 48 89 ef e8 5c ff b3 fc [ 71.254943][ T273] dump_stack+0x107/0x163 [ 71.262332][ T8618] RSP: 0018:ffffc9000219fb58 EFLAGS: 00010293 [ 71.270696][ T273] ? kthread_stop+0x90/0x720 [ 71.270728][ T273] ? kthread_stop+0x90/0x720 [ 71.270752][ T273] kasan_report.cold+0x5f/0xd8 [ 71.277501][ T8618] [ 71.279453][ T273] ? kthread_stop+0x90/0x720 [ 71.299901][ T8618] RAX: 0000000000000000 RBX: ffff88802cad5400 RCX: 0000000000000000 [ 71.303365][ T273] kasan_check_range+0x13d/0x180 [ 71.310243][ T8618] RDX: ffff88801b4f0000 RSI: ffffffff88e6a42e RDI: 0000000000000003 [ 71.313989][ T273] kthread_stop+0x90/0x720 [ 71.319310][ T8618] RBP: ffff88801cb445d0 R08: fffffffffffff000 R09: ffff88801c550227 [ 71.323306][ T273] vhci_shutdown_connection.cold+0x135/0x856 [ 71.326333][ T8618] R10: ffffffff88e6a41c R11: 000000000000003f R12: fffffffffffffffc [ 71.330190][ T273] ? event_handler+0x14c/0x4f0 [ 71.338888][ T8618] R13: ffff88801cb44640 R14: ffff88801cb445e8 R15: ffff888031d99500 [ 71.343068][ T273] event_handler+0x1f0/0x4f0 [ 71.351758][ T8618] FS: 00007f01b8d65700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.355422][ T273] process_one_work+0x98d/0x15f0 [ 71.365054][ T8618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.369342][ T273] ? pwq_dec_nr_in_flight+0x320/0x320 [ 71.369370][ T273] ? rwlock_bug.part.0+0x90/0x90 [ 71.378321][ T8618] CR2: 00007f3614538010 CR3: 00000000138e2000 CR4: 00000000001506e0 [ 71.382063][ T273] ? _raw_spin_lock_irq+0x41/0x50 [ 71.390853][ T8618] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.394600][ T273] worker_thread+0x64c/0x1120 [ 71.404300][ T8618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.408439][ T273] ? __kthread_parkme+0x13f/0x1e0 [ 71.408468][ T273] ? process_one_work+0x15f0/0x15f0 [ 71.416178][ T8618] Kernel panic - not syncing: Fatal exception [ 71.420392][ T273] kthread+0x3b1/0x4a0 [ 71.479067][ T273] ? __kthread_bind_mask+0xc0/0xc0 [ 71.484179][ T273] ret_from_fork+0x1f/0x30 [ 71.488595][ T273] ================================================================== [ 71.497563][ T8618] Kernel Offset: disabled [ 71.501898][ T8618] Rebooting in 86400 seconds..