[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.78' (ECDSA) to the list of known hosts. 2021/10/28 15:38:52 parsed 1 programs syzkaller login: [ 68.690921][ T6549] cgroup: Unknown subsys name 'net' [ 68.702840][ T6549] cgroup: Unknown subsys name 'rlimit' 2021/10/28 15:38:52 executed programs: 0 [ 70.263318][ T6563] chnl_net:caif_netlink_parms(): no params data found [ 70.368090][ T6563] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.375381][ T6563] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.383237][ T6563] device bridge_slave_0 entered promiscuous mode [ 70.393198][ T6563] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.400398][ T6563] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.408446][ T6563] device bridge_slave_1 entered promiscuous mode [ 70.437694][ T6563] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.448951][ T6563] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.481199][ T6563] team0: Port device team_slave_0 added [ 70.488700][ T6563] team0: Port device team_slave_1 added [ 70.514613][ T6563] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.521672][ T6563] 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. [ 70.548041][ T6563] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.561011][ T6563] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.568377][ T6563] 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. [ 70.594316][ T6563] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.630537][ T6563] device hsr_slave_0 entered promiscuous mode [ 70.637267][ T6563] device hsr_slave_1 entered promiscuous mode [ 70.753774][ T6563] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.764908][ T6563] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.774180][ T6563] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.784252][ T6563] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.804833][ T6563] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.811996][ T6563] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.819502][ T6563] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.826623][ T6563] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.874488][ T6563] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.887933][ T1431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.898800][ T1431] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.907931][ T1431] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.916774][ T1431] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.930189][ T6563] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.941899][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.950310][ T2978] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.957560][ T2978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.969023][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.977661][ T25] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.984980][ T25] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.003342][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.012450][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.015179][ T1194] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.026172][ T1194] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.038393][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.050805][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.063264][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.074774][ T6563] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.093156][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.100730][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.114253][ T6563] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.133861][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.154187][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.162813][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.170419][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.182959][ T6563] device veth0_vlan entered promiscuous mode [ 71.197600][ T6563] device veth1_vlan entered promiscuous mode [ 71.222246][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.230163][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.238747][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.249583][ T6563] device veth0_macvtap entered promiscuous mode [ 71.260274][ T6563] device veth1_macvtap entered promiscuous mode [ 71.278719][ T6563] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.286517][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.295268][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.307332][ T6563] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.315058][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.323666][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.335482][ T6563] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.345606][ T6563] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.354412][ T6563] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.363197][ T6563] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.445998][ T298] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.454102][ T298] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.468390][ T1431] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.490423][ T54] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.498624][ T54] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.511000][ T1431] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.565782][ T6916] loop4: detected capacity change from 0 to 3798 [ 72.133424][ T1431] Bluetooth: hci0: command 0x0409 tx timeout [ 72.661620][ T6958] BUG: unable to handle page fault for address: ffffed101c332d50 [ 72.669373][ T6958] #PF: supervisor read access in kernel mode [ 72.676620][ T6958] #PF: error_code(0x0000) - not-present page [ 72.682690][ T6958] PGD 23ffee067 P4D 23ffee067 PUD 13fff5067 PMD 0 [ 72.689198][ T6958] Oops: 0000 [#1] PREEMPT SMP KASAN [ 72.694386][ T6958] CPU: 1 PID: 6958 Comm: syz-executor.0 Not tainted 5.15.0-rc7-next-20211028-syzkaller #0 [ 72.704267][ T6958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.714300][ T6958] RIP: 0010:__blk_mq_alloc_requests+0x4a7/0xb00 [ 72.720541][ T6958] Code: e8 fd 48 8b 44 24 10 80 38 00 0f 85 a6 04 00 00 48 8b 44 24 08 45 89 ed 48 8b b0 88 00 00 00 4a 8d 1c ee 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 6c 04 00 00 44 8b ac 24 a0 00 00 00 48 8b 03 [ 72.740124][ T6958] RSP: 0018:ffffc90003466a90 EFLAGS: 00010a06 [ 72.746170][ T6958] RAX: 1ffff1101c332d50 RBX: ffff8880e1996a80 RCX: 0000000000000000 [ 72.754242][ T6958] RDX: ffff8880203c57c0 RSI: ffff88801a026000 RDI: 0000000000000003 [ 72.762192][ T6958] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 72.770138][ T6958] R10: ffffffff838f31a1 R11: 0000000000000000 R12: 0000000000000000 [ 72.778099][ T6958] R13: 0000000018f2e150 R14: dffffc0000000000 R15: ffffc90003466c28 [ 72.786046][ T6958] FS: 00007f32639cf700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.794954][ T6958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.801525][ T6958] CR2: ffffed101c332d50 CR3: 000000006f831000 CR4: 00000000003506e0 [ 72.809475][ T6958] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.817456][ T6958] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.825411][ T6958] Call Trace: [ 72.828675][ T6958] [ 72.831594][ T6958] ? blk_mq_hctx_mark_pending+0x2a0/0x2a0 [ 72.837311][ T6958] ? iolatency_pd_alloc+0x1b0/0x1b0 [ 72.842510][ T6958] blk_mq_submit_bio+0xdac/0x1b40 [ 72.847518][ T6958] ? blk_mq_try_issue_list_directly+0x4d0/0x4d0 [ 72.853745][ T6958] ? submit_bio_checks+0x26a/0x1d90 [ 72.858944][ T6958] __submit_bio+0x794/0x8e0 [ 72.863442][ T6958] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.869669][ T6958] ? submit_bio_checks+0x1d90/0x1d90 [ 72.874936][ T6958] ? bio_add_page+0x186/0x1f0 [ 72.879620][ T6958] ? __bio_try_merge_page+0x360/0x360 [ 72.884988][ T6958] ? find_held_lock+0x2d/0x110 [ 72.889737][ T6958] submit_bio_noacct+0x6c9/0x8a0 [ 72.894677][ T6958] ? __submit_bio+0x8e0/0x8e0 [ 72.899343][ T6958] submit_bio+0x1ea/0x430 [ 72.903665][ T6958] ? submit_bio_noacct+0x8a0/0x8a0 [ 72.908762][ T6958] mpage_readahead+0x589/0x750 [ 72.913525][ T6958] ? do_mpage_readpage+0x1f80/0x1f80 [ 72.918799][ T6958] ? __blkdev_direct_IO_simple+0x860/0x860 [ 72.924589][ T6958] ? folio_add_lru+0x353/0x6a0 [ 72.929338][ T6958] ? lock_downgrade+0x6e0/0x6e0 [ 72.934178][ T6958] ? blkdev_write_begin+0x40/0x40 [ 72.939187][ T6958] read_pages+0x1e4/0xfa0 [ 72.943505][ T6958] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.949748][ T6958] ? folio_add_lru+0x389/0x6a0 [ 72.954491][ T6958] ? readahead_expand+0x8b0/0x8b0 [ 72.959492][ T6958] ? filemap_add_folio+0x138/0x1d0 [ 72.964583][ T6958] ? add_to_page_cache_locked+0x90/0x90 [ 72.970108][ T6958] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.976349][ T6958] ? folio_alloc+0x3f/0x70 [ 72.980759][ T6958] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.986993][ T6958] page_cache_ra_unbounded+0x64b/0x940 [ 72.992468][ T6958] ? read_pages+0xfa0/0xfa0 [ 72.996949][ T6958] ? lock_downgrade+0x6e0/0x6e0 [ 73.001792][ T6958] ? lock_downgrade+0x6e0/0x6e0 [ 73.006623][ T6958] ondemand_readahead+0x594/0x1090 [ 73.012250][ T6958] page_cache_sync_ra+0x1cb/0x200 [ 73.017255][ T6958] filemap_get_pages+0x2b2/0x1be0 [ 73.022259][ T6958] ? filemap_get_read_batch+0xad0/0xad0 [ 73.027788][ T6958] filemap_read+0x315/0xeb0 [ 73.032271][ T6958] ? aa_file_perm+0x595/0x1180 [ 73.037060][ T6958] ? filemap_get_pages+0x1be0/0x1be0 [ 73.042333][ T6958] ? fsnotify+0x12b0/0x12b0 [ 73.046814][ T6958] ? import_single_range+0x288/0x320 [ 73.052086][ T6958] ? __io_import_iovec+0x36f/0x1330 [ 73.057272][ T6958] generic_file_read_iter+0x3b6/0x5a0 [ 73.062628][ T6958] blkdev_read_iter+0x117/0x200 [ 73.067508][ T6958] ? blkdev_write_iter+0x6a0/0x6a0 [ 73.072601][ T6958] io_read+0x33c/0xff0 [ 73.076650][ T6958] ? stack_trace_save+0x8c/0xc0 [ 73.081570][ T6958] ? kiocb_done+0xb90/0xb90 [ 73.086061][ T6958] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.092019][ T6958] ? lock_chain_count+0x20/0x20 [ 73.096859][ T6958] io_issue_sqe+0x800/0x7010 [ 73.101440][ T6958] ? find_held_lock+0x2d/0x110 [ 73.106193][ T6958] ? __fget_files+0x21b/0x3e0 [ 73.110862][ T6958] ? lock_downgrade+0x6e0/0x6e0 [ 73.115701][ T6958] ? io_openat2+0xb50/0xb50 [ 73.120184][ T6958] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 73.126509][ T6958] io_submit_sqes+0x1bca/0x8a20 [ 73.131343][ T6958] ? do_raw_spin_unlock+0x171/0x230 [ 73.136525][ T6958] ? io_async_task_func+0x550/0x550 [ 73.141713][ T6958] ? io_timeout_fn+0x360/0x360 [ 73.146457][ T6958] ? __do_sys_io_uring_enter+0xf6e/0x1f50 [ 73.152159][ T6958] __do_sys_io_uring_enter+0xf6e/0x1f50 [ 73.157696][ T6958] ? io_submit_sqes+0x8a20/0x8a20 [ 73.162714][ T6958] ? find_held_lock+0x2d/0x110 [ 73.167464][ T6958] ? __context_tracking_exit+0xb8/0xe0 [ 73.172941][ T6958] ? lock_downgrade+0x6e0/0x6e0 [ 73.177774][ T6958] ? lock_downgrade+0x6e0/0x6e0 [ 73.182623][ T6958] ? syscall_enter_from_user_mode+0x21/0x70 [ 73.188509][ T6958] do_syscall_64+0x35/0xb0 [ 73.192908][ T6958] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.198782][ T6958] RIP: 0033:0x7f326429ba39 [ 73.203178][ T6958] 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 [ 73.222761][ T6958] RSP: 002b:00007f32639cf188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa [ 73.231152][ T6958] RAX: ffffffffffffffda RBX: 00007f32643af0e0 RCX: 00007f326429ba39 [ 73.239162][ T6958] RDX: 0000000000000000 RSI: 0000000000000300 RDI: 0000000000000003 [ 73.247129][ T6958] RBP: 00007f32642f5e8f R08: 0000000000000000 R09: 0000000000000000 [ 73.255084][ T6958] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.263032][ T6958] R13: 00007fff59f37faf R14: 00007f32639cf300 R15: 0000000000022000 [ 73.270990][ T6958] [ 73.273989][ T6958] Modules linked in: [ 73.277857][ T6958] CR2: ffffed101c332d50 [ 73.281987][ T6958] ---[ end trace 1e3644b3a6564134 ]--- [ 73.287416][ T6958] RIP: 0010:__blk_mq_alloc_requests+0x4a7/0xb00 [ 73.293644][ T6958] Code: e8 fd 48 8b 44 24 10 80 38 00 0f 85 a6 04 00 00 48 8b 44 24 08 45 89 ed 48 8b b0 88 00 00 00 4a 8d 1c ee 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 6c 04 00 00 44 8b ac 24 a0 00 00 00 48 8b 03 [ 73.313234][ T6958] RSP: 0018:ffffc90003466a90 EFLAGS: 00010a06 [ 73.319297][ T6958] RAX: 1ffff1101c332d50 RBX: ffff8880e1996a80 RCX: 0000000000000000 [ 73.327308][ T6958] RDX: ffff8880203c57c0 RSI: ffff88801a026000 RDI: 0000000000000003 [ 73.335267][ T6958] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 73.343483][ T6958] R10: ffffffff838f31a1 R11: 0000000000000000 R12: 0000000000000000 [ 73.351436][ T6958] R13: 0000000018f2e150 R14: dffffc0000000000 R15: ffffc90003466c28 [ 73.359410][ T6958] FS: 00007f32639cf700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 73.368348][ T6958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.374912][ T6958] CR2: ffffed101c332d50 CR3: 000000006f831000 CR4: 00000000003506e0 [ 73.382881][ T6958] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.390836][ T6958] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.398791][ T6958] Kernel panic - not syncing: Fatal exception [ 73.405104][ T6958] Kernel Offset: disabled [ 73.409416][ T6958] Rebooting in 86400 seconds..