[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts. Debian GNU/Linux 9 syzkaller ttyS0 2021/09/07 13:20:12 parsed 1 programs 2021/09/07 13:20:12 executed programs: 0 syzkaller login: [ 81.355076][ T37] audit: type=1400 audit(1631020812.542:8): avc: denied { execmem } for pid=8430 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 82.666399][ T8431] chnl_net:caif_netlink_parms(): no params data found [ 82.770240][ T8431] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.778639][ T8431] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.787168][ T8431] device bridge_slave_0 entered promiscuous mode [ 82.797998][ T8431] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.805596][ T8431] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.814223][ T8431] device bridge_slave_1 entered promiscuous mode [ 82.847665][ T8431] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.858793][ T8431] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.895557][ T8431] team0: Port device team_slave_0 added [ 82.904162][ T8431] team0: Port device team_slave_1 added [ 82.932798][ T8431] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.939763][ T8431] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 82.966639][ T8431] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.980250][ T8431] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.987743][ T8431] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 83.015437][ T8431] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.054510][ T8431] device hsr_slave_0 entered promiscuous mode [ 83.062529][ T8431] device hsr_slave_1 entered promiscuous mode [ 83.197027][ T8431] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.207571][ T8431] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.218542][ T8431] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.229718][ T8431] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.254593][ T8431] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.261933][ T8431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.269650][ T8431] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.276782][ T8431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.319360][ T8431] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.334518][ T3326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.346644][ T3326] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.356269][ T3326] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.364878][ T3326] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 83.379080][ T8431] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.390990][ T8762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.399491][ T8762] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.406696][ T8762] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.423447][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.432976][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.440012][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.463235][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.472907][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.482065][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.495999][ T8431] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.508015][ T8431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.518572][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.526636][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.552927][ T8431] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.560306][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.568244][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.588161][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.612877][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.622155][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.629791][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.641689][ T8431] device veth0_vlan entered promiscuous mode [ 83.654455][ T8431] device veth1_vlan entered promiscuous mode [ 83.676034][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.685728][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.698868][ T8431] device veth0_macvtap entered promiscuous mode [ 83.708349][ T8431] device veth1_macvtap entered promiscuous mode [ 83.726058][ T8431] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.733743][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.746301][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.755126][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.765289][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.779220][ T8431] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.787335][ T8762] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.796366][ T8762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.809023][ T8431] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.818242][ T8431] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.828261][ T8431] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.838059][ T8431] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.939046][ T55] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.948628][ T55] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.968947][ T4903] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.005169][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.013454][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.025887][ T8762] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.085344][ T8782] ------------[ cut here ]------------ [ 84.090906][ T8782] WARNING: CPU: 1 PID: 8782 at fs/io_uring.c:1164 io_wq_submit_work+0x272/0x300 [ 84.102078][ T8782] Modules linked in: [ 84.106090][ T8782] CPU: 1 PID: 8782 Comm: syz-executor.0 Not tainted 5.14.0-syzkaller #0 [ 84.116841][ T8782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.128684][ T8782] RIP: 0010:io_wq_submit_work+0x272/0x300 [ 84.135548][ T8782] Code: e8 a3 9b 91 ff 83 fb 7f 76 1b e8 e9 92 91 ff be 04 00 00 00 4c 89 ef e8 1c 60 d8 ff f0 ff 45 a4 e9 41 fe ff ff e8 ce 92 91 ff <0f> 0b eb dc e8 c5 92 91 ff 4c 89 e7 e8 ad dc fb ff 48 85 c0 49 89 [ 84.158504][ T8782] RSP: 0018:ffffc90002817ae8 EFLAGS: 00010293 [ 84.165955][ T8782] RAX: 0000000000000000 RBX: 000000000000007f RCX: 0000000000000000 [ 84.175884][ T8782] RDX: ffff88807bcc62c0 RSI: ffffffff81e3c242 RDI: 0000000000000003 [ 84.185214][ T8782] RBP: ffff88801e4df5f8 R08: 000000000000007f R09: ffff88801e4df59f [ 84.194223][ T8782] R10: ffffffff81e3c21d R11: 0000000000000000 R12: ffff88801e4df540 [ 84.203059][ T8782] R13: ffff88801e4df59c R14: ffff88801e4df598 R15: 0000000000100000 [ 84.211094][ T8782] FS: 0000000003089400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 84.221085][ T8782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.228679][ T8782] CR2: 00007f21d8552000 CR3: 0000000019029000 CR4: 00000000001506e0 [ 84.238282][ T8782] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.247003][ T8782] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.256197][ T8782] Call Trace: [ 84.259487][ T8782] io_acct_cancel_pending_work.isra.0+0x2a9/0x5e0 [ 84.267252][ T8782] io_wqe_cancel_pending_work+0x98/0x130 [ 84.274646][ T8782] io_wq_put_and_exit+0x7d1/0xc70 [ 84.279700][ T8782] ? io_wq_exit_start+0x20/0x20 [ 84.284643][ T8782] ? __ia32_sys_io_uring_register+0xf0/0xf0 [ 84.290554][ T8782] io_uring_cancel_generic+0x5fe/0x740 [ 84.298545][ T8782] ? __io_uring_free+0x170/0x170 [ 84.304652][ T8782] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 84.310742][ T8782] ? finish_wait+0x270/0x270 [ 84.316661][ T8782] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.323010][ T8782] ? __validate_process_creds+0x20c/0x370 [ 84.328771][ T8782] do_exit+0x265/0x2a30 [ 84.334360][ T8782] ? __context_tracking_exit+0xb8/0xe0 [ 84.339878][ T8782] ? lock_downgrade+0x6e0/0x6e0 [ 84.345364][ T8782] ? lock_downgrade+0x6e0/0x6e0 [ 84.350236][ T8782] ? mm_update_next_owner+0x7a0/0x7a0 [ 84.357109][ T8782] do_group_exit+0x125/0x310 [ 84.361895][ T8782] __x64_sys_exit_group+0x3a/0x50 [ 84.366948][ T8782] do_syscall_64+0x35/0xb0 [ 84.371927][ T8782] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 84.377843][ T8782] RIP: 0033:0x4665f9 [ 84.383212][ T8782] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 [ 84.403491][ T8782] RSP: 002b:00007ffc6af9a5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 84.412453][ T8782] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00000000004665f9 [ 84.420445][ T8782] RDX: 000000000041940b RSI: ffffffffffffffbc RDI: 0000000000000000 [ 84.428489][ T8782] RBP: 0000000000000000 R08: 0000001b32a20070 R09: 0000000000000000 [ 84.436561][ T8782] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 84.444663][ T8782] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc6af9a6e0 [ 84.452746][ T8782] Kernel panic - not syncing: panic_on_warn set ... [ 84.459328][ T8782] CPU: 0 PID: 8782 Comm: syz-executor.0 Not tainted 5.14.0-syzkaller #0 [ 84.467650][ T8782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.477699][ T8782] Call Trace: [ 84.480969][ T8782] dump_stack_lvl+0xcd/0x134 [ 84.485564][ T8782] panic+0x2b0/0x6dd [ 84.489540][ T8782] ? __warn_printk+0xf3/0xf3 [ 84.494124][ T8782] ? __warn.cold+0x1a/0x44 [ 84.498543][ T8782] ? io_wq_submit_work+0x272/0x300 [ 84.503666][ T8782] __warn.cold+0x35/0x44 [ 84.507908][ T8782] ? io_wq_submit_work+0x272/0x300 [ 84.513060][ T8782] report_bug+0x1bd/0x210 [ 84.517385][ T8782] handle_bug+0x3c/0x60 [ 84.521534][ T8782] exc_invalid_op+0x14/0x40 [ 84.526033][ T8782] asm_exc_invalid_op+0x12/0x20 [ 84.530882][ T8782] RIP: 0010:io_wq_submit_work+0x272/0x300 [ 84.536605][ T8782] Code: e8 a3 9b 91 ff 83 fb 7f 76 1b e8 e9 92 91 ff be 04 00 00 00 4c 89 ef e8 1c 60 d8 ff f0 ff 45 a4 e9 41 fe ff ff e8 ce 92 91 ff <0f> 0b eb dc e8 c5 92 91 ff 4c 89 e7 e8 ad dc fb ff 48 85 c0 49 89 [ 84.556207][ T8782] RSP: 0018:ffffc90002817ae8 EFLAGS: 00010293 [ 84.562527][ T8782] RAX: 0000000000000000 RBX: 000000000000007f RCX: 0000000000000000 [ 84.570488][ T8782] RDX: ffff88807bcc62c0 RSI: ffffffff81e3c242 RDI: 0000000000000003 [ 84.578452][ T8782] RBP: ffff88801e4df5f8 R08: 000000000000007f R09: ffff88801e4df59f [ 84.586498][ T8782] R10: ffffffff81e3c21d R11: 0000000000000000 R12: ffff88801e4df540 [ 84.594479][ T8782] R13: ffff88801e4df59c R14: ffff88801e4df598 R15: 0000000000100000 [ 84.602440][ T8782] ? io_wq_submit_work+0x24d/0x300 [ 84.607547][ T8782] ? io_wq_submit_work+0x272/0x300 [ 84.612742][ T8782] ? io_wq_submit_work+0x272/0x300 [ 84.617894][ T8782] io_acct_cancel_pending_work.isra.0+0x2a9/0x5e0 [ 84.624312][ T8782] io_wqe_cancel_pending_work+0x98/0x130 [ 84.629937][ T8782] io_wq_put_and_exit+0x7d1/0xc70 [ 84.634954][ T8782] ? io_wq_exit_start+0x20/0x20 [ 84.639806][ T8782] ? __ia32_sys_io_uring_register+0xf0/0xf0 [ 84.645698][ T8782] io_uring_cancel_generic+0x5fe/0x740 [ 84.651165][ T8782] ? __io_uring_free+0x170/0x170 [ 84.656097][ T8782] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 84.662070][ T8782] ? finish_wait+0x270/0x270 [ 84.666674][ T8782] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.672918][ T8782] ? __validate_process_creds+0x20c/0x370 [ 84.678631][ T8782] do_exit+0x265/0x2a30 [ 84.682784][ T8782] ? __context_tracking_exit+0xb8/0xe0 [ 84.688239][ T8782] ? lock_downgrade+0x6e0/0x6e0 [ 84.693086][ T8782] ? lock_downgrade+0x6e0/0x6e0 [ 84.697929][ T8782] ? mm_update_next_owner+0x7a0/0x7a0 [ 84.703299][ T8782] do_group_exit+0x125/0x310 [ 84.707881][ T8782] __x64_sys_exit_group+0x3a/0x50 [ 84.712993][ T8782] do_syscall_64+0x35/0xb0 [ 84.717437][ T8782] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 84.723341][ T8782] RIP: 0033:0x4665f9 [ 84.727313][ T8782] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 [ 84.746912][ T8782] RSP: 002b:00007ffc6af9a5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 84.755319][ T8782] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00000000004665f9 [ 84.763369][ T8782] RDX: 000000000041940b RSI: ffffffffffffffbc RDI: 0000000000000000 [ 84.771329][ T8782] RBP: 0000000000000000 R08: 0000001b32a20070 R09: 0000000000000000 [ 84.779377][ T8782] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 84.787349][ T8782] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc6af9a6e0 [ 84.795503][ T8782] Kernel Offset: disabled [ 84.799920][ T8782] Rebooting in 86400 seconds..