Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts. 2021/09/28 13:14:44 fuzzer started 2021/09/28 13:14:44 connecting to host at 10.128.0.169:40759 2021/09/28 13:14:44 checking machine... 2021/09/28 13:14:44 checking revisions... 2021/09/28 13:14:44 testing simple program... syzkaller login: [ 75.437545][ T6559] chnl_net:caif_netlink_parms(): no params data found [ 75.514884][ T6559] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.524398][ T6559] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.532358][ T6559] device bridge_slave_0 entered promiscuous mode [ 75.542455][ T6559] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.550322][ T6559] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.558828][ T6559] device bridge_slave_1 entered promiscuous mode [ 75.589908][ T6559] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.602323][ T6559] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.636864][ T6559] team0: Port device team_slave_0 added [ 75.645334][ T6559] team0: Port device team_slave_1 added [ 75.675403][ T6559] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.682666][ T6559] 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. [ 75.710502][ T6559] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.725319][ T6559] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.732294][ T6559] 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. [ 75.759680][ T6559] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.798345][ T6559] device hsr_slave_0 entered promiscuous mode [ 75.805915][ T6559] device hsr_slave_1 entered promiscuous mode [ 75.894978][ T6559] ------------[ cut here ]------------ [ 75.901129][ T6559] WARNING: CPU: 1 PID: 6559 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 75.911723][ T6559] Modules linked in: [ 75.915951][ T6559] CPU: 1 PID: 6559 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 75.925039][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.936028][ T6559] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 75.942569][ T6559] 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 [ 75.965001][ T6559] RSP: 0018:ffffc90002d1f658 EFLAGS: 00010293 [ 75.971114][ T6559] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 75.979409][ T6559] RDX: ffff888019571c80 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 75.987545][ T6559] RBP: ffff888024171100 R08: 0000000000000000 R09: 0000000000000000 [ 75.995637][ T6559] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff8880753af000 [ 76.004589][ T6559] R13: 0000000000000000 R14: 000000000000002c R15: ffff8880753af070 [ 76.012593][ T6559] FS: 0000555556287400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 76.021912][ T6559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.028707][ T6559] CR2: 00007f12def35000 CR3: 0000000068e7c000 CR4: 00000000003506e0 [ 76.037029][ T6559] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.045092][ T6559] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.053168][ T6559] Call Trace: [ 76.056480][ T6559] devlink_region_create+0x39f/0x4c0 [ 76.061989][ T6559] nsim_dev_probe+0x5f6/0x1150 [ 76.066856][ T6559] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 76.072428][ T6559] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.078820][ T6559] ? kernfs_create_link+0x1b3/0x230 [ 76.084264][ T6559] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 76.090797][ T6559] ? kernfs_put+0x31/0x50 [ 76.095435][ T6559] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.102018][ T6559] ? sysfs_do_create_link_sd+0xbb/0x140 [ 76.108043][ T6559] ? sysfs_create_link+0x67/0xc0 [ 76.113316][ T6559] ? nsim_bus_remove+0x20/0x20 [ 76.118259][ T6559] really_probe+0x245/0xcc0 [ 76.122796][ T6559] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 76.129135][ T6559] __driver_probe_device+0x338/0x4d0 [ 76.134564][ T6559] driver_probe_device+0x4c/0x1a0 [ 76.139628][ T6559] __device_attach_driver+0x20b/0x2f0 [ 76.145268][ T6559] ? driver_allows_async_probing+0x150/0x150 [ 76.151394][ T6559] bus_for_each_drv+0x15f/0x1e0 [ 76.156358][ T6559] ? bus_for_each_dev+0x1d0/0x1d0 [ 76.161417][ T6559] ? rcu_read_lock_sched_held+0x3a/0x70 [ 76.167110][ T6559] __device_attach+0x228/0x4a0 [ 76.171903][ T6559] ? device_driver_attach+0x210/0x210 [ 76.177514][ T6559] ? kobject_uevent_env+0x2bb/0x1650 [ 76.182932][ T6559] bus_probe_device+0x1e4/0x290 [ 76.187820][ T6559] device_add+0xc35/0x21b0 [ 76.192245][ T6559] ? lockdep_init_map_type+0x2c3/0x7b0 [ 76.197890][ T6559] ? lockdep_init_map_type+0x2c3/0x7b0 [ 76.203569][ T6559] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 76.209871][ T6559] ? __raw_spin_lock_init+0x36/0x110 [ 76.215280][ T6559] new_device_store+0x48b/0x770 [ 76.220415][ T6559] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 76.226576][ T6559] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 76.232411][ T6559] ? sysfs_file_ops+0x1c0/0x1c0 [ 76.237404][ T6559] bus_attr_store+0x72/0xa0 [ 76.241924][ T6559] ? bus_attr_show+0x90/0x90 [ 76.246587][ T6559] sysfs_kf_write+0x110/0x160 [ 76.251297][ T6559] kernfs_fop_write_iter+0x342/0x500 [ 76.256773][ T6559] new_sync_write+0x429/0x660 [ 76.261483][ T6559] ? new_sync_read+0x6e0/0x6e0 [ 76.266360][ T6559] ? lock_release+0x720/0x720 [ 76.271069][ T6559] vfs_write+0x7cf/0xae0 [ 76.275577][ T6559] ksys_write+0x12d/0x250 [ 76.279958][ T6559] ? __ia32_sys_read+0xb0/0xb0 [ 76.285017][ T6559] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.291050][ T6559] do_syscall_64+0x35/0xb0 [ 76.295804][ T6559] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.301873][ T6559] RIP: 0033:0x7f83658d23ef [ 76.306632][ T6559] 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 [ 76.326534][ T6559] RSP: 002b:00007ffe55fd5c40 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 76.335192][ T6559] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f83658d23ef [ 76.343306][ T6559] RDX: 0000000000000003 RSI: 00007ffe55fd5c90 RDI: 0000000000000004 [ 76.351461][ T6559] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffe55fd5be0 [ 76.359799][ T6559] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8365979971 [ 76.367886][ T6559] R13: 00007ffe55fd5c90 R14: 0000000000000000 R15: 00007ffe55fd6360 [ 76.376000][ T6559] Kernel panic - not syncing: panic_on_warn set ... [ 76.382680][ T6559] CPU: 1 PID: 6559 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 76.391360][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.401592][ T6559] Call Trace: [ 76.404865][ T6559] dump_stack_lvl+0xcd/0x134 [ 76.409512][ T6559] panic+0x2b0/0x6dd [ 76.413623][ T6559] ? __warn_printk+0xf3/0xf3 [ 76.418506][ T6559] ? __warn.cold+0x1a/0x44 [ 76.422949][ T6559] ? devlink_nl_region_notify+0x184/0x1e0 [ 76.428783][ T6559] __warn.cold+0x35/0x44 [ 76.433308][ T6559] ? devlink_nl_region_notify+0x184/0x1e0 [ 76.439419][ T6559] report_bug+0x1bd/0x210 [ 76.443763][ T6559] handle_bug+0x3c/0x60 [ 76.447916][ T6559] exc_invalid_op+0x14/0x40 [ 76.452503][ T6559] asm_exc_invalid_op+0x12/0x20 [ 76.457357][ T6559] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 76.463874][ T6559] 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 [ 76.484004][ T6559] RSP: 0018:ffffc90002d1f658 EFLAGS: 00010293 [ 76.490077][ T6559] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 76.498131][ T6559] RDX: ffff888019571c80 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 76.506103][ T6559] RBP: ffff888024171100 R08: 0000000000000000 R09: 0000000000000000 [ 76.514596][ T6559] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff8880753af000 [ 76.522584][ T6559] R13: 0000000000000000 R14: 000000000000002c R15: ffff8880753af070 [ 76.530561][ T6559] ? devlink_nl_region_notify+0x7a/0x1e0 [ 76.536295][ T6559] ? devlink_nl_region_notify+0x184/0x1e0 [ 76.542028][ T6559] ? devlink_nl_region_notify+0x184/0x1e0 [ 76.547945][ T6559] devlink_region_create+0x39f/0x4c0 [ 76.553276][ T6559] nsim_dev_probe+0x5f6/0x1150 [ 76.558055][ T6559] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 76.563808][ T6559] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.570230][ T6559] ? kernfs_create_link+0x1b3/0x230 [ 76.575444][ T6559] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 76.581956][ T6559] ? kernfs_put+0x31/0x50 [ 76.586296][ T6559] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.592649][ T6559] ? sysfs_do_create_link_sd+0xbb/0x140 [ 76.598225][ T6559] ? sysfs_create_link+0x67/0xc0 [ 76.603184][ T6559] ? nsim_bus_remove+0x20/0x20 [ 76.608043][ T6559] really_probe+0x245/0xcc0 [ 76.612589][ T6559] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 76.618925][ T6559] __driver_probe_device+0x338/0x4d0 [ 76.624218][ T6559] driver_probe_device+0x4c/0x1a0 [ 76.629250][ T6559] __device_attach_driver+0x20b/0x2f0 [ 76.634627][ T6559] ? driver_allows_async_probing+0x150/0x150 [ 76.640783][ T6559] bus_for_each_drv+0x15f/0x1e0 [ 76.645648][ T6559] ? bus_for_each_dev+0x1d0/0x1d0 [ 76.651035][ T6559] ? rcu_read_lock_sched_held+0x3a/0x70 [ 76.656594][ T6559] __device_attach+0x228/0x4a0 [ 76.661364][ T6559] ? device_driver_attach+0x210/0x210 [ 76.666761][ T6559] ? kobject_uevent_env+0x2bb/0x1650 [ 76.672415][ T6559] bus_probe_device+0x1e4/0x290 [ 76.677546][ T6559] device_add+0xc35/0x21b0 [ 76.682161][ T6559] ? lockdep_init_map_type+0x2c3/0x7b0 [ 76.687709][ T6559] ? lockdep_init_map_type+0x2c3/0x7b0 [ 76.693179][ T6559] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 76.699423][ T6559] ? __raw_spin_lock_init+0x36/0x110 [ 76.704817][ T6559] new_device_store+0x48b/0x770 [ 76.709684][ T6559] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 76.715500][ T6559] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 76.721314][ T6559] ? sysfs_file_ops+0x1c0/0x1c0 [ 76.726189][ T6559] bus_attr_store+0x72/0xa0 [ 76.730712][ T6559] ? bus_attr_show+0x90/0x90 [ 76.735362][ T6559] sysfs_kf_write+0x110/0x160 [ 76.740053][ T6559] kernfs_fop_write_iter+0x342/0x500 [ 76.745377][ T6559] new_sync_write+0x429/0x660 [ 76.750080][ T6559] ? new_sync_read+0x6e0/0x6e0 [ 76.754950][ T6559] ? lock_release+0x720/0x720 [ 76.759663][ T6559] vfs_write+0x7cf/0xae0 [ 76.763955][ T6559] ksys_write+0x12d/0x250 [ 76.768494][ T6559] ? __ia32_sys_read+0xb0/0xb0 [ 76.773272][ T6559] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.779180][ T6559] do_syscall_64+0x35/0xb0 [ 76.783705][ T6559] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.789611][ T6559] RIP: 0033:0x7f83658d23ef [ 76.794024][ T6559] 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 [ 76.813828][ T6559] RSP: 002b:00007ffe55fd5c40 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 76.822339][ T6559] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f83658d23ef [ 76.830305][ T6559] RDX: 0000000000000003 RSI: 00007ffe55fd5c90 RDI: 0000000000000004 [ 76.838506][ T6559] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffe55fd5be0 [ 76.846470][ T6559] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8365979971 [ 76.854608][ T6559] R13: 00007ffe55fd5c90 R14: 0000000000000000 R15: 00007ffe55fd6360 [ 76.863172][ T6559] Kernel Offset: disabled [ 76.867632][ T6559] Rebooting in 86400 seconds..