Warning: Permanently added '10.128.0.173' (ECDSA) to the list of known hosts. 2021/09/28 13:42:08 fuzzer started 2021/09/28 13:42:08 connecting to host at 10.128.0.169:35847 2021/09/28 13:42:08 checking machine... 2021/09/28 13:42:08 checking revisions... 2021/09/28 13:42:08 testing simple program... syzkaller login: [ 71.577014][ T6530] chnl_net:caif_netlink_parms(): no params data found [ 71.649823][ T6530] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.659230][ T6530] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.668217][ T6530] device bridge_slave_0 entered promiscuous mode [ 71.678706][ T6530] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.687302][ T6530] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.696456][ T6530] device bridge_slave_1 entered promiscuous mode [ 71.730217][ T6530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.742064][ T6530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.776136][ T6530] team0: Port device team_slave_0 added [ 71.783622][ T6530] team0: Port device team_slave_1 added [ 71.815990][ T6530] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.823162][ T6530] 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. [ 71.850996][ T6530] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.865389][ T6530] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.872495][ T6530] 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. [ 71.899947][ T6530] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.937757][ T6530] device hsr_slave_0 entered promiscuous mode [ 71.946823][ T6530] device hsr_slave_1 entered promiscuous mode [ 72.034352][ T6530] ------------[ cut here ]------------ [ 72.040535][ T6530] WARNING: CPU: 1 PID: 6530 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 72.052179][ T6530] Modules linked in: [ 72.056783][ T6530] CPU: 0 PID: 6530 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 72.066144][ T6530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.066181][ T6530] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 72.066218][ T6530] 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 [ 72.066242][ T6530] RSP: 0018:ffffc90002ddf658 EFLAGS: 00010293 [ 72.066266][ T6530] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.066283][ T6530] RDX: ffff88801b0b9c80 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 72.126845][ T6530] RBP: ffff88801da7d400 R08: 0000000000000000 R09: 0000000000000000 [ 72.137328][ T6530] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff888024cf8000 [ 72.146761][ T6530] R13: 0000000000000000 R14: 000000000000002c R15: ffff888024cf8070 [ 72.155627][ T6530] FS: 0000555555a29400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.164761][ T6530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.171357][ T6530] CR2: 00007f0fd7284000 CR3: 0000000067712000 CR4: 00000000003506e0 [ 72.179537][ T6530] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.187689][ T6530] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.196027][ T6530] Call Trace: [ 72.199504][ T6530] devlink_region_create+0x39f/0x4c0 [ 72.205009][ T6530] nsim_dev_probe+0x5f6/0x1150 [ 72.209979][ T6530] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.215861][ T6530] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.222124][ T6530] ? kernfs_create_link+0x1b3/0x230 [ 72.227406][ T6530] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.233875][ T6530] ? kernfs_put+0x31/0x50 [ 72.238285][ T6530] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.244654][ T6530] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.250425][ T6530] ? sysfs_create_link+0x67/0xc0 [ 72.255641][ T6530] ? nsim_bus_remove+0x20/0x20 [ 72.260443][ T6530] really_probe+0x245/0xcc0 [ 72.265108][ T6530] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.271815][ T6530] __driver_probe_device+0x338/0x4d0 [ 72.277362][ T6530] driver_probe_device+0x4c/0x1a0 [ 72.282541][ T6530] __device_attach_driver+0x20b/0x2f0 [ 72.288257][ T6530] ? driver_allows_async_probing+0x150/0x150 [ 72.294378][ T6530] bus_for_each_drv+0x15f/0x1e0 [ 72.299632][ T6530] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.305023][ T6530] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.310595][ T6530] __device_attach+0x228/0x4a0 [ 72.315562][ T6530] ? device_driver_attach+0x210/0x210 [ 72.321102][ T6530] ? kobject_uevent_env+0x2bb/0x1650 [ 72.326800][ T6530] bus_probe_device+0x1e4/0x290 [ 72.332091][ T6530] device_add+0xc35/0x21b0 [ 72.336689][ T6530] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.342558][ T6530] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.348697][ T6530] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.355170][ T6530] ? __raw_spin_lock_init+0x36/0x110 [ 72.360479][ T6530] new_device_store+0x48b/0x770 [ 72.365426][ T6530] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.371625][ T6530] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.377604][ T6530] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.382852][ T6530] bus_attr_store+0x72/0xa0 [ 72.387452][ T6530] ? bus_attr_show+0x90/0x90 [ 72.392261][ T6530] sysfs_kf_write+0x110/0x160 [ 72.397224][ T6530] kernfs_fop_write_iter+0x342/0x500 [ 72.402620][ T6530] new_sync_write+0x429/0x660 [ 72.407467][ T6530] ? new_sync_read+0x6e0/0x6e0 [ 72.412288][ T6530] ? lock_release+0x720/0x720 [ 72.417240][ T6530] vfs_write+0x7cf/0xae0 [ 72.421675][ T6530] ksys_write+0x12d/0x250 [ 72.426182][ T6530] ? __ia32_sys_read+0xb0/0xb0 [ 72.431071][ T6530] ? syscall_enter_from_user_mode+0x21/0x70 [ 72.437341][ T6530] do_syscall_64+0x35/0xb0 [ 72.442004][ T6530] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.448513][ T6530] RIP: 0033:0x7fa695a0e3ef [ 72.452944][ T6530] 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 [ 72.475023][ T6530] RSP: 002b:00007ffcacfd9cd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 72.483887][ T6530] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa695a0e3ef [ 72.492411][ T6530] RDX: 0000000000000003 RSI: 00007ffcacfd9d20 RDI: 0000000000000004 [ 72.500656][ T6530] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffcacfd9c70 [ 72.509859][ T6530] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa695ab5971 [ 72.519050][ T6530] R13: 00007ffcacfd9d20 R14: 0000000000000000 R15: 00007ffcacfda3f0 [ 72.527605][ T6530] Kernel panic - not syncing: panic_on_warn set ... [ 72.534451][ T6530] CPU: 1 PID: 6530 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 72.543571][ T6530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.553720][ T6530] Call Trace: [ 72.557015][ T6530] dump_stack_lvl+0xcd/0x134 [ 72.561731][ T6530] panic+0x2b0/0x6dd [ 72.566750][ T6530] ? __warn_printk+0xf3/0xf3 [ 72.571581][ T6530] ? __warn.cold+0x1a/0x44 [ 72.576002][ T6530] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.582513][ T6530] __warn.cold+0x35/0x44 [ 72.586982][ T6530] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.592971][ T6530] report_bug+0x1bd/0x210 [ 72.597791][ T6530] handle_bug+0x3c/0x60 [ 72.602160][ T6530] exc_invalid_op+0x14/0x40 [ 72.607133][ T6530] asm_exc_invalid_op+0x12/0x20 [ 72.612558][ T6530] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 72.619807][ T6530] 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 [ 72.639794][ T6530] RSP: 0018:ffffc90002ddf658 EFLAGS: 00010293 [ 72.645886][ T6530] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.653861][ T6530] RDX: ffff88801b0b9c80 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 72.661916][ T6530] RBP: ffff88801da7d400 R08: 0000000000000000 R09: 0000000000000000 [ 72.670060][ T6530] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff888024cf8000 [ 72.678045][ T6530] R13: 0000000000000000 R14: 000000000000002c R15: ffff888024cf8070 [ 72.686020][ T6530] ? devlink_nl_region_notify+0x7a/0x1e0 [ 72.692023][ T6530] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.697857][ T6530] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.703778][ T6530] devlink_region_create+0x39f/0x4c0 [ 72.709158][ T6530] nsim_dev_probe+0x5f6/0x1150 [ 72.713958][ T6530] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.719795][ T6530] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.726038][ T6530] ? kernfs_create_link+0x1b3/0x230 [ 72.731293][ T6530] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.737712][ T6530] ? kernfs_put+0x31/0x50 [ 72.742046][ T6530] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.748295][ T6530] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.753848][ T6530] ? sysfs_create_link+0x67/0xc0 [ 72.758791][ T6530] ? nsim_bus_remove+0x20/0x20 [ 72.763576][ T6530] really_probe+0x245/0xcc0 [ 72.768084][ T6530] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.774592][ T6530] __driver_probe_device+0x338/0x4d0 [ 72.780013][ T6530] driver_probe_device+0x4c/0x1a0 [ 72.785041][ T6530] __device_attach_driver+0x20b/0x2f0 [ 72.790423][ T6530] ? driver_allows_async_probing+0x150/0x150 [ 72.796494][ T6530] bus_for_each_drv+0x15f/0x1e0 [ 72.801792][ T6530] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.806817][ T6530] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.812449][ T6530] __device_attach+0x228/0x4a0 [ 72.817211][ T6530] ? device_driver_attach+0x210/0x210 [ 72.822607][ T6530] ? kobject_uevent_env+0x2bb/0x1650 [ 72.827903][ T6530] bus_probe_device+0x1e4/0x290 [ 72.832767][ T6530] device_add+0xc35/0x21b0 [ 72.837274][ T6530] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.842731][ T6530] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.848475][ T6530] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.854805][ T6530] ? __raw_spin_lock_init+0x36/0x110 [ 72.860467][ T6530] new_device_store+0x48b/0x770 [ 72.865413][ T6530] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.871426][ T6530] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.877556][ T6530] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.882584][ T6530] bus_attr_store+0x72/0xa0 [ 72.887190][ T6530] ? bus_attr_show+0x90/0x90 [ 72.891881][ T6530] sysfs_kf_write+0x110/0x160 [ 72.896574][ T6530] kernfs_fop_write_iter+0x342/0x500 [ 72.901956][ T6530] new_sync_write+0x429/0x660 [ 72.906816][ T6530] ? new_sync_read+0x6e0/0x6e0 [ 72.911611][ T6530] ? lock_release+0x720/0x720 [ 72.916336][ T6530] vfs_write+0x7cf/0xae0 [ 72.920611][ T6530] ksys_write+0x12d/0x250 [ 72.924952][ T6530] ? __ia32_sys_read+0xb0/0xb0 [ 72.929726][ T6530] ? syscall_enter_from_user_mode+0x21/0x70 [ 72.935626][ T6530] do_syscall_64+0x35/0xb0 [ 72.940049][ T6530] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.946050][ T6530] RIP: 0033:0x7fa695a0e3ef [ 72.950560][ T6530] 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 [ 72.970706][ T6530] RSP: 002b:00007ffcacfd9cd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 72.979918][ T6530] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa695a0e3ef [ 72.988278][ T6530] RDX: 0000000000000003 RSI: 00007ffcacfd9d20 RDI: 0000000000000004 [ 72.996650][ T6530] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffcacfd9c70 [ 73.004714][ T6530] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa695ab5971 [ 73.012943][ T6530] R13: 00007ffcacfd9d20 R14: 0000000000000000 R15: 00007ffcacfda3f0 [ 73.021422][ T6530] Kernel Offset: disabled [ 73.026001][ T6530] Rebooting in 86400 seconds..