Warning: Permanently added '10.128.0.75' (ECDSA) to the list of known hosts. 2021/09/28 00:40:59 fuzzer started 2021/09/28 00:40:59 connecting to host at 10.128.0.169:35041 2021/09/28 00:40:59 checking machine... 2021/09/28 00:40:59 checking revisions... 2021/09/28 00:40:59 testing simple program... syzkaller login: [ 70.047082][ T6540] chnl_net:caif_netlink_parms(): no params data found [ 70.133202][ T6540] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.141103][ T6540] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.150674][ T6540] device bridge_slave_0 entered promiscuous mode [ 70.160602][ T6540] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.169131][ T6540] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.178214][ T6540] device bridge_slave_1 entered promiscuous mode [ 70.212116][ T6540] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.224062][ T6540] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.259777][ T6540] team0: Port device team_slave_0 added [ 70.268459][ T6540] team0: Port device team_slave_1 added [ 70.298152][ T6540] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.305103][ T6540] 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. [ 70.332374][ T6540] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.345225][ T6540] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.352248][ T6540] 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. [ 70.378208][ T6540] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.414303][ T6540] device hsr_slave_0 entered promiscuous mode [ 70.421012][ T6540] device hsr_slave_1 entered promiscuous mode [ 70.508601][ T6540] ------------[ cut here ]------------ [ 70.514397][ T6540] WARNING: CPU: 1 PID: 6540 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 70.524951][ T6540] Modules linked in: [ 70.530378][ T6540] CPU: 1 PID: 6540 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 70.539341][ T6540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.551390][ T6540] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 70.557860][ T6540] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 72 1a 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 01 bd 41 fa e8 fc bc 41 fa <0f> 0b e9 f7 fe ff ff e8 f0 bc 41 fa 0f 0b eb da 4c 89 e7 e8 c4 18 [ 70.579120][ T6540] RSP: 0018:ffffc90002d6f658 EFLAGS: 00010293 [ 70.585392][ T6540] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.593618][ T6540] RDX: ffff88801f08d580 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 70.602921][ T6540] RBP: ffff88801ee42100 R08: 0000000000000000 R09: 0000000000000000 [ 70.611326][ T6540] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88801c1dc000 [ 70.619660][ T6540] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801c1dc070 [ 70.627801][ T6540] FS: 0000555555e8e400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 70.637356][ T6540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.643982][ T6540] CR2: 000055dd7c590310 CR3: 0000000069a09000 CR4: 00000000003506e0 [ 70.652400][ T6540] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.662505][ T6540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.671035][ T6540] Call Trace: [ 70.674342][ T6540] devlink_region_create+0x39f/0x4c0 [ 70.682303][ T6540] nsim_dev_probe+0x5f6/0x1150 [ 70.687512][ T6540] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 70.693101][ T6540] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.700069][ T6540] ? kernfs_create_link+0x1b3/0x230 [ 70.705307][ T6540] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.712059][ T6540] ? kernfs_put+0x31/0x50 [ 70.716989][ T6540] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.723263][ T6540] ? sysfs_do_create_link_sd+0xbb/0x140 [ 70.729405][ T6540] ? sysfs_create_link+0x67/0xc0 [ 70.734914][ T6540] ? nsim_bus_remove+0x20/0x20 [ 70.740190][ T6540] really_probe+0x245/0xcc0 [ 70.744730][ T6540] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.751512][ T6540] __driver_probe_device+0x338/0x4d0 [ 70.757406][ T6540] driver_probe_device+0x4c/0x1a0 [ 70.762474][ T6540] __device_attach_driver+0x20b/0x2f0 [ 70.768061][ T6540] ? driver_allows_async_probing+0x150/0x150 [ 70.774208][ T6540] bus_for_each_drv+0x15f/0x1e0 [ 70.779239][ T6540] ? bus_for_each_dev+0x1d0/0x1d0 [ 70.784474][ T6540] ? rcu_read_lock_sched_held+0x3a/0x70 [ 70.790169][ T6540] __device_attach+0x228/0x4a0 [ 70.794954][ T6540] ? device_driver_attach+0x210/0x210 [ 70.800673][ T6540] ? kobject_uevent_env+0x2bb/0x1650 [ 70.806195][ T6540] bus_probe_device+0x1e4/0x290 [ 70.811161][ T6540] device_add+0xc35/0x21b0 [ 70.815794][ T6540] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.821509][ T6540] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.827439][ T6540] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 70.833701][ T6540] ? __raw_spin_lock_init+0x36/0x110 [ 70.839192][ T6540] new_device_store+0x48b/0x770 [ 70.844095][ T6540] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.850039][ T6540] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.856004][ T6540] ? sysfs_file_ops+0x1c0/0x1c0 [ 70.861224][ T6540] bus_attr_store+0x72/0xa0 [ 70.865744][ T6540] ? bus_attr_show+0x90/0x90 [ 70.870658][ T6540] sysfs_kf_write+0x110/0x160 [ 70.875395][ T6540] kernfs_fop_write_iter+0x342/0x500 [ 70.880932][ T6540] new_sync_write+0x429/0x660 [ 70.885637][ T6540] ? new_sync_read+0x6e0/0x6e0 [ 70.890565][ T6540] ? lock_release+0x720/0x720 [ 70.895655][ T6540] vfs_write+0x7cf/0xae0 [ 70.900042][ T6540] ksys_write+0x12d/0x250 [ 70.904390][ T6540] ? __ia32_sys_read+0xb0/0xb0 [ 70.909238][ T6540] ? syscall_enter_from_user_mode+0x21/0x70 [ 70.915149][ T6540] do_syscall_64+0x35/0xb0 [ 70.919777][ T6540] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.925725][ T6540] RIP: 0033:0x7f328409d3ef [ 70.930243][ T6540] 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 [ 70.949987][ T6540] RSP: 002b:00007ffdc6851140 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 70.958514][ T6540] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f328409d3ef [ 70.966596][ T6540] RDX: 0000000000000003 RSI: 00007ffdc6851190 RDI: 0000000000000004 [ 70.974674][ T6540] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffdc68510e0 [ 70.982720][ T6540] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3284144971 [ 70.990817][ T6540] R13: 00007ffdc6851190 R14: 0000000000000000 R15: 00007ffdc6851860 [ 70.998978][ T6540] Kernel panic - not syncing: panic_on_warn set ... [ 71.005561][ T6540] CPU: 0 PID: 6540 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 71.014236][ T6540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.024308][ T6540] Call Trace: [ 71.027596][ T6540] dump_stack_lvl+0xcd/0x134 [ 71.032199][ T6540] panic+0x2b0/0x6dd [ 71.036093][ T6540] ? __warn_printk+0xf3/0xf3 [ 71.040687][ T6540] ? __warn.cold+0x1a/0x44 [ 71.045103][ T6540] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.050821][ T6540] __warn.cold+0x35/0x44 [ 71.055080][ T6540] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.060806][ T6540] report_bug+0x1bd/0x210 [ 71.065151][ T6540] handle_bug+0x3c/0x60 [ 71.069329][ T6540] exc_invalid_op+0x14/0x40 [ 71.073830][ T6540] asm_exc_invalid_op+0x12/0x20 [ 71.078682][ T6540] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 71.085012][ T6540] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 72 1a 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 01 bd 41 fa e8 fc bc 41 fa <0f> 0b e9 f7 fe ff ff e8 f0 bc 41 fa 0f 0b eb da 4c 89 e7 e8 c4 18 [ 71.104631][ T6540] RSP: 0018:ffffc90002d6f658 EFLAGS: 00010293 [ 71.110694][ T6540] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.118745][ T6540] RDX: ffff88801f08d580 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 71.126710][ T6540] RBP: ffff88801ee42100 R08: 0000000000000000 R09: 0000000000000000 [ 71.134684][ T6540] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88801c1dc000 [ 71.142660][ T6540] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801c1dc070 [ 71.150643][ T6540] ? devlink_nl_region_notify+0x7a/0x1e0 [ 71.156289][ T6540] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.162012][ T6540] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.167737][ T6540] devlink_region_create+0x39f/0x4c0 [ 71.173030][ T6540] nsim_dev_probe+0x5f6/0x1150 [ 71.177799][ T6540] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 71.183350][ T6540] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.189591][ T6540] ? kernfs_create_link+0x1b3/0x230 [ 71.194788][ T6540] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.201030][ T6540] ? kernfs_put+0x31/0x50 [ 71.205358][ T6540] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.211595][ T6540] ? sysfs_do_create_link_sd+0xbb/0x140 [ 71.217146][ T6540] ? sysfs_create_link+0x67/0xc0 [ 71.222093][ T6540] ? nsim_bus_remove+0x20/0x20 [ 71.226858][ T6540] really_probe+0x245/0xcc0 [ 71.231360][ T6540] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.237602][ T6540] __driver_probe_device+0x338/0x4d0 [ 71.242891][ T6540] driver_probe_device+0x4c/0x1a0 [ 71.247919][ T6540] __device_attach_driver+0x20b/0x2f0 [ 71.253320][ T6540] ? driver_allows_async_probing+0x150/0x150 [ 71.259302][ T6540] bus_for_each_drv+0x15f/0x1e0 [ 71.264152][ T6540] ? bus_for_each_dev+0x1d0/0x1d0 [ 71.269180][ T6540] ? rcu_read_lock_sched_held+0x3a/0x70 [ 71.274728][ T6540] __device_attach+0x228/0x4a0 [ 71.279494][ T6540] ? device_driver_attach+0x210/0x210 [ 71.284869][ T6540] ? kobject_uevent_env+0x2bb/0x1650 [ 71.290156][ T6540] bus_probe_device+0x1e4/0x290 [ 71.295014][ T6540] device_add+0xc35/0x21b0 [ 71.299433][ T6540] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.304892][ T6540] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.310351][ T6540] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 71.316594][ T6540] ? __raw_spin_lock_init+0x36/0x110 [ 71.321887][ T6540] new_device_store+0x48b/0x770 [ 71.326739][ T6540] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.332557][ T6540] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.338369][ T6540] ? sysfs_file_ops+0x1c0/0x1c0 [ 71.343217][ T6540] bus_attr_store+0x72/0xa0 [ 71.347722][ T6540] ? bus_attr_show+0x90/0x90 [ 71.352309][ T6540] sysfs_kf_write+0x110/0x160 [ 71.356991][ T6540] kernfs_fop_write_iter+0x342/0x500 [ 71.362285][ T6540] new_sync_write+0x429/0x660 [ 71.366963][ T6540] ? new_sync_read+0x6e0/0x6e0 [ 71.371734][ T6540] ? lock_release+0x720/0x720 [ 71.376601][ T6540] vfs_write+0x7cf/0xae0 [ 71.380849][ T6540] ksys_write+0x12d/0x250 [ 71.385184][ T6540] ? __ia32_sys_read+0xb0/0xb0 [ 71.389952][ T6540] ? syscall_enter_from_user_mode+0x21/0x70 [ 71.395853][ T6540] do_syscall_64+0x35/0xb0 [ 71.400299][ T6540] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.406196][ T6540] RIP: 0033:0x7f328409d3ef [ 71.410610][ T6540] 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 [ 71.430220][ T6540] RSP: 002b:00007ffdc6851140 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 71.438763][ T6540] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f328409d3ef [ 71.446739][ T6540] RDX: 0000000000000003 RSI: 00007ffdc6851190 RDI: 0000000000000004 [ 71.454708][ T6540] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffdc68510e0 [ 71.462676][ T6540] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3284144971 [ 71.470650][ T6540] R13: 00007ffdc6851190 R14: 0000000000000000 R15: 00007ffdc6851860 [ 71.479018][ T6540] Kernel Offset: disabled [ 71.483445][ T6540] Rebooting in 86400 seconds..