Warning: Permanently added '10.128.1.74' (ECDSA) to the list of known hosts. 2021/09/28 12:48:24 fuzzer started 2021/09/28 12:48:24 connecting to host at 10.128.0.169:36943 2021/09/28 12:48:24 checking machine... 2021/09/28 12:48:24 checking revisions... 2021/09/28 12:48:24 testing simple program... syzkaller login: [ 71.387315][ T6547] chnl_net:caif_netlink_parms(): no params data found [ 71.463634][ T6547] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.472259][ T6547] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.481420][ T6547] device bridge_slave_0 entered promiscuous mode [ 71.491484][ T6547] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.499269][ T6547] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.507954][ T6547] device bridge_slave_1 entered promiscuous mode [ 71.542656][ T6547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.554923][ T6547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.590051][ T6547] team0: Port device team_slave_0 added [ 71.597813][ T6547] team0: Port device team_slave_1 added [ 71.625318][ T6547] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.633058][ T6547] 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. [ 71.662747][ T6547] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.677717][ T6547] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.685047][ T6547] 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. [ 71.712788][ T6547] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.751955][ T6547] device hsr_slave_0 entered promiscuous mode [ 71.759638][ T6547] device hsr_slave_1 entered promiscuous mode [ 71.848921][ T6547] ------------[ cut here ]------------ [ 71.854736][ T6547] WARNING: CPU: 0 PID: 6547 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 71.866593][ T6547] Modules linked in: [ 71.870838][ T6547] CPU: 1 PID: 6547 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 71.881274][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.892110][ T6547] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 71.898857][ T6547] 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 [ 71.920748][ T6547] RSP: 0018:ffffc90002bff658 EFLAGS: 00010293 [ 71.927837][ T6547] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.936376][ T6547] RDX: ffff88801919d580 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 71.945350][ T6547] RBP: ffff88807903dd00 R08: 0000000000000000 R09: 0000000000000000 [ 71.953670][ T6547] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88806dc25000 [ 71.961819][ T6547] R13: 0000000000000000 R14: 000000000000002c R15: ffff88806dc25070 [ 71.969889][ T6547] FS: 0000555556f8f400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.980064][ T6547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.987072][ T6547] CR2: 00007f62b172d028 CR3: 0000000068597000 CR4: 00000000003506e0 [ 71.995514][ T6547] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.003684][ T6547] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.011924][ T6547] Call Trace: [ 72.015314][ T6547] devlink_region_create+0x39f/0x4c0 [ 72.020737][ T6547] nsim_dev_probe+0x5f6/0x1150 [ 72.025734][ T6547] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.031613][ T6547] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.038080][ T6547] ? kernfs_create_link+0x1b3/0x230 [ 72.043393][ T6547] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.049810][ T6547] ? kernfs_put+0x31/0x50 [ 72.054342][ T6547] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.060726][ T6547] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.067007][ T6547] ? sysfs_create_link+0x67/0xc0 [ 72.072005][ T6547] ? nsim_bus_remove+0x20/0x20 [ 72.077026][ T6547] really_probe+0x245/0xcc0 [ 72.081881][ T6547] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.088335][ T6547] __driver_probe_device+0x338/0x4d0 [ 72.093743][ T6547] driver_probe_device+0x4c/0x1a0 [ 72.099233][ T6547] __device_attach_driver+0x20b/0x2f0 [ 72.104809][ T6547] ? driver_allows_async_probing+0x150/0x150 [ 72.110898][ T6547] bus_for_each_drv+0x15f/0x1e0 [ 72.115899][ T6547] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.120952][ T6547] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.126598][ T6547] __device_attach+0x228/0x4a0 [ 72.131642][ T6547] ? device_driver_attach+0x210/0x210 [ 72.137318][ T6547] ? kobject_uevent_env+0x2bb/0x1650 [ 72.142641][ T6547] bus_probe_device+0x1e4/0x290 [ 72.147695][ T6547] device_add+0xc35/0x21b0 [ 72.152276][ T6547] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.157983][ T6547] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.163909][ T6547] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.170364][ T6547] ? __raw_spin_lock_init+0x36/0x110 [ 72.175893][ T6547] new_device_store+0x48b/0x770 [ 72.180900][ T6547] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.187406][ T6547] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.193563][ T6547] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.198752][ T6547] bus_attr_store+0x72/0xa0 [ 72.203294][ T6547] ? bus_attr_show+0x90/0x90 [ 72.208262][ T6547] sysfs_kf_write+0x110/0x160 [ 72.212987][ T6547] kernfs_fop_write_iter+0x342/0x500 [ 72.218533][ T6547] new_sync_write+0x429/0x660 [ 72.223237][ T6547] ? new_sync_read+0x6e0/0x6e0 [ 72.228322][ T6547] ? lock_release+0x720/0x720 [ 72.233042][ T6547] vfs_write+0x7cf/0xae0 [ 72.237475][ T6547] ksys_write+0x12d/0x250 [ 72.241994][ T6547] ? __ia32_sys_read+0xb0/0xb0 [ 72.246999][ T6547] ? syscall_enter_from_user_mode+0x21/0x70 [ 72.252971][ T6547] do_syscall_64+0x35/0xb0 [ 72.257507][ T6547] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.263510][ T6547] RIP: 0033:0x7ff3e54493ef [ 72.268707][ T6547] 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 [ 72.288662][ T6547] RSP: 002b:00007fff60d0d7a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 72.297352][ T6547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff3e54493ef [ 72.305793][ T6547] RDX: 0000000000000003 RSI: 00007fff60d0d7f0 RDI: 0000000000000004 [ 72.314486][ T6547] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fff60d0d740 [ 72.322745][ T6547] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff3e54f0971 [ 72.331042][ T6547] R13: 00007fff60d0d7f0 R14: 0000000000000000 R15: 00007fff60d0dec0 [ 72.339339][ T6547] Kernel panic - not syncing: panic_on_warn set ... [ 72.346015][ T6547] CPU: 1 PID: 6547 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 72.355035][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.365183][ T6547] Call Trace: [ 72.368465][ T6547] dump_stack_lvl+0xcd/0x134 [ 72.373148][ T6547] panic+0x2b0/0x6dd [ 72.377220][ T6547] ? __warn_printk+0xf3/0xf3 [ 72.381989][ T6547] ? __warn.cold+0x1a/0x44 [ 72.386509][ T6547] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.392409][ T6547] __warn.cold+0x35/0x44 [ 72.396842][ T6547] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.402561][ T6547] report_bug+0x1bd/0x210 [ 72.406920][ T6547] handle_bug+0x3c/0x60 [ 72.411262][ T6547] exc_invalid_op+0x14/0x40 [ 72.415763][ T6547] asm_exc_invalid_op+0x12/0x20 [ 72.420965][ T6547] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 72.427291][ T6547] 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 [ 72.447459][ T6547] RSP: 0018:ffffc90002bff658 EFLAGS: 00010293 [ 72.453551][ T6547] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.461792][ T6547] RDX: ffff88801919d580 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 72.470049][ T6547] RBP: ffff88807903dd00 R08: 0000000000000000 R09: 0000000000000000 [ 72.478283][ T6547] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88806dc25000 [ 72.486595][ T6547] R13: 0000000000000000 R14: 000000000000002c R15: ffff88806dc25070 [ 72.494835][ T6547] ? devlink_nl_region_notify+0x7a/0x1e0 [ 72.500577][ T6547] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.506355][ T6547] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.514523][ T6547] devlink_region_create+0x39f/0x4c0 [ 72.519918][ T6547] nsim_dev_probe+0x5f6/0x1150 [ 72.524770][ T6547] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.531053][ T6547] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.537573][ T6547] ? kernfs_create_link+0x1b3/0x230 [ 72.542873][ T6547] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.549293][ T6547] ? kernfs_put+0x31/0x50 [ 72.553622][ T6547] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.559967][ T6547] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.565640][ T6547] ? sysfs_create_link+0x67/0xc0 [ 72.570788][ T6547] ? nsim_bus_remove+0x20/0x20 [ 72.575555][ T6547] really_probe+0x245/0xcc0 [ 72.580067][ T6547] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.586320][ T6547] __driver_probe_device+0x338/0x4d0 [ 72.591676][ T6547] driver_probe_device+0x4c/0x1a0 [ 72.596714][ T6547] __device_attach_driver+0x20b/0x2f0 [ 72.602448][ T6547] ? driver_allows_async_probing+0x150/0x150 [ 72.608553][ T6547] bus_for_each_drv+0x15f/0x1e0 [ 72.613419][ T6547] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.618455][ T6547] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.624004][ T6547] __device_attach+0x228/0x4a0 [ 72.629177][ T6547] ? device_driver_attach+0x210/0x210 [ 72.634584][ T6547] ? kobject_uevent_env+0x2bb/0x1650 [ 72.640205][ T6547] bus_probe_device+0x1e4/0x290 [ 72.645162][ T6547] device_add+0xc35/0x21b0 [ 72.649596][ T6547] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.655068][ T6547] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.660642][ T6547] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.668017][ T6547] ? __raw_spin_lock_init+0x36/0x110 [ 72.673485][ T6547] new_device_store+0x48b/0x770 [ 72.678826][ T6547] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.684663][ T6547] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.690692][ T6547] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.695556][ T6547] bus_attr_store+0x72/0xa0 [ 72.700175][ T6547] ? bus_attr_show+0x90/0x90 [ 72.704850][ T6547] sysfs_kf_write+0x110/0x160 [ 72.709535][ T6547] kernfs_fop_write_iter+0x342/0x500 [ 72.714841][ T6547] new_sync_write+0x429/0x660 [ 72.719699][ T6547] ? new_sync_read+0x6e0/0x6e0 [ 72.724841][ T6547] ? lock_release+0x720/0x720 [ 72.729923][ T6547] vfs_write+0x7cf/0xae0 [ 72.734166][ T6547] ksys_write+0x12d/0x250 [ 72.738489][ T6547] ? __ia32_sys_read+0xb0/0xb0 [ 72.743253][ T6547] ? syscall_enter_from_user_mode+0x21/0x70 [ 72.749153][ T6547] do_syscall_64+0x35/0xb0 [ 72.754745][ T6547] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.760644][ T6547] RIP: 0033:0x7ff3e54493ef [ 72.765054][ T6547] 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 [ 72.785544][ T6547] RSP: 002b:00007fff60d0d7a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 72.794475][ T6547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff3e54493ef [ 72.802545][ T6547] RDX: 0000000000000003 RSI: 00007fff60d0d7f0 RDI: 0000000000000004 [ 72.810532][ T6547] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fff60d0d740 [ 72.818984][ T6547] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff3e54f0971 [ 72.827329][ T6547] R13: 00007fff60d0d7f0 R14: 0000000000000000 R15: 00007fff60d0dec0 [ 72.835611][ T6547] Kernel Offset: disabled [ 72.840311][ T6547] Rebooting in 86400 seconds..