Warning: Permanently added '10.128.1.2' (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 10.128.0.169:38091 2021/09/28 13:42:08 checking machine... 2021/09/28 13:42:08 checking revisions... 2021/09/28 13:42:09 testing simple program... syzkaller login: [ 73.513074][ T6578] chnl_net:caif_netlink_parms(): no params data found [ 73.584403][ T6578] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.592815][ T6578] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.602539][ T6578] device bridge_slave_0 entered promiscuous mode [ 73.614541][ T6578] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.622546][ T6578] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.630425][ T6578] device bridge_slave_1 entered promiscuous mode [ 73.663629][ T6578] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.675160][ T6578] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.710568][ T6578] team0: Port device team_slave_0 added [ 73.719670][ T6578] team0: Port device team_slave_1 added [ 73.750763][ T6578] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.758140][ T6578] 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. [ 73.785405][ T6578] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.800588][ T6578] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.809028][ T6578] 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. [ 73.836154][ T6578] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.876890][ T6578] device hsr_slave_0 entered promiscuous mode [ 73.885209][ T6578] device hsr_slave_1 entered promiscuous mode [ 73.984446][ T6578] ------------[ cut here ]------------ [ 73.990559][ T6578] WARNING: CPU: 0 PID: 6578 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 74.003553][ T6578] Modules linked in: [ 74.007488][ T6578] CPU: 0 PID: 6578 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 74.017100][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.028782][ T6578] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 74.035257][ T6578] 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 [ 74.055631][ T6578] RSP: 0018:ffffc90002c6f658 EFLAGS: 00010293 [ 74.061942][ T6578] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.070367][ T6578] RDX: ffff88801d443900 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 74.078659][ T6578] RBP: ffff88806f1b4f00 R08: 0000000000000000 R09: 0000000000000000 [ 74.087117][ T6578] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff8880715ee000 [ 74.095637][ T6578] R13: 0000000000000000 R14: 000000000000002c R15: ffff8880715ee070 [ 74.104106][ T6578] FS: 0000555555c84400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 74.113150][ T6578] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.120069][ T6578] CR2: 00007fb37188a710 CR3: 0000000068223000 CR4: 00000000003506f0 [ 74.128431][ T6578] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.136755][ T6578] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.145285][ T6578] Call Trace: [ 74.148934][ T6578] devlink_region_create+0x39f/0x4c0 [ 74.154380][ T6578] nsim_dev_probe+0x5f6/0x1150 [ 74.159181][ T6578] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 74.164959][ T6578] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.171692][ T6578] ? kernfs_create_link+0x1b3/0x230 [ 74.176970][ T6578] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.183347][ T6578] ? kernfs_put+0x31/0x50 [ 74.187846][ T6578] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.194752][ T6578] ? sysfs_do_create_link_sd+0xbb/0x140 [ 74.200423][ T6578] ? sysfs_create_link+0x67/0xc0 [ 74.205631][ T6578] ? nsim_bus_remove+0x20/0x20 [ 74.210548][ T6578] really_probe+0x245/0xcc0 [ 74.215331][ T6578] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.222089][ T6578] __driver_probe_device+0x338/0x4d0 [ 74.227762][ T6578] driver_probe_device+0x4c/0x1a0 [ 74.233067][ T6578] __device_attach_driver+0x20b/0x2f0 [ 74.239642][ T6578] ? driver_allows_async_probing+0x150/0x150 [ 74.245833][ T6578] bus_for_each_drv+0x15f/0x1e0 [ 74.250903][ T6578] ? bus_for_each_dev+0x1d0/0x1d0 [ 74.255973][ T6578] ? rcu_read_lock_sched_held+0x3a/0x70 [ 74.261671][ T6578] __device_attach+0x228/0x4a0 [ 74.266611][ T6578] ? device_driver_attach+0x210/0x210 [ 74.273305][ T6578] ? kobject_uevent_env+0x2bb/0x1650 [ 74.278854][ T6578] bus_probe_device+0x1e4/0x290 [ 74.283891][ T6578] device_add+0xc35/0x21b0 [ 74.288950][ T6578] ? lockdep_init_map_type+0x2c3/0x7b0 [ 74.294624][ T6578] ? lockdep_init_map_type+0x2c3/0x7b0 [ 74.300354][ T6578] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 74.306821][ T6578] ? __raw_spin_lock_init+0x36/0x110 [ 74.312552][ T6578] new_device_store+0x48b/0x770 [ 74.317802][ T6578] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 74.323941][ T6578] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 74.330011][ T6578] ? sysfs_file_ops+0x1c0/0x1c0 [ 74.335222][ T6578] bus_attr_store+0x72/0xa0 [ 74.340077][ T6578] ? bus_attr_show+0x90/0x90 [ 74.344766][ T6578] sysfs_kf_write+0x110/0x160 [ 74.349743][ T6578] kernfs_fop_write_iter+0x342/0x500 [ 74.355433][ T6578] new_sync_write+0x429/0x660 [ 74.360347][ T6578] ? new_sync_read+0x6e0/0x6e0 [ 74.365225][ T6578] ? lock_release+0x720/0x720 [ 74.370027][ T6578] vfs_write+0x7cf/0xae0 [ 74.374531][ T6578] ksys_write+0x12d/0x250 [ 74.378905][ T6578] ? __ia32_sys_read+0xb0/0xb0 [ 74.383879][ T6578] ? syscall_enter_from_user_mode+0x21/0x70 [ 74.389906][ T6578] do_syscall_64+0x35/0xb0 [ 74.395054][ T6578] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.401233][ T6578] RIP: 0033:0x7f0ee64ec3ef [ 74.405673][ T6578] 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 [ 74.427175][ T6578] RSP: 002b:00007fff97396240 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 74.435777][ T6578] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0ee64ec3ef [ 74.444089][ T6578] RDX: 0000000000000003 RSI: 00007fff97396290 RDI: 0000000000000004 [ 74.453335][ T6578] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fff973961e0 [ 74.461866][ T6578] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f0ee6593971 [ 74.470144][ T6578] R13: 00007fff97396290 R14: 0000000000000000 R15: 00007fff97396960 [ 74.478513][ T6578] Kernel panic - not syncing: panic_on_warn set ... [ 74.485338][ T6578] CPU: 0 PID: 6578 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 74.494392][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.504979][ T6578] Call Trace: [ 74.508752][ T6578] dump_stack_lvl+0xcd/0x134 [ 74.513368][ T6578] panic+0x2b0/0x6dd [ 74.517377][ T6578] ? __warn_printk+0xf3/0xf3 [ 74.522159][ T6578] ? __warn.cold+0x1a/0x44 [ 74.526771][ T6578] ? devlink_nl_region_notify+0x184/0x1e0 [ 74.532485][ T6578] __warn.cold+0x35/0x44 [ 74.536755][ T6578] ? devlink_nl_region_notify+0x184/0x1e0 [ 74.542580][ T6578] report_bug+0x1bd/0x210 [ 74.547189][ T6578] handle_bug+0x3c/0x60 [ 74.551446][ T6578] exc_invalid_op+0x14/0x40 [ 74.556140][ T6578] asm_exc_invalid_op+0x12/0x20 [ 74.561096][ T6578] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 74.567656][ T6578] 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 [ 74.587636][ T6578] RSP: 0018:ffffc90002c6f658 EFLAGS: 00010293 [ 74.593797][ T6578] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.602107][ T6578] RDX: ffff88801d443900 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 74.610680][ T6578] RBP: ffff88806f1b4f00 R08: 0000000000000000 R09: 0000000000000000 [ 74.618645][ T6578] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff8880715ee000 [ 74.627069][ T6578] R13: 0000000000000000 R14: 000000000000002c R15: ffff8880715ee070 [ 74.635147][ T6578] ? devlink_nl_region_notify+0x7a/0x1e0 [ 74.640885][ T6578] ? devlink_nl_region_notify+0x184/0x1e0 [ 74.646636][ T6578] ? devlink_nl_region_notify+0x184/0x1e0 [ 74.652356][ T6578] devlink_region_create+0x39f/0x4c0 [ 74.657666][ T6578] nsim_dev_probe+0x5f6/0x1150 [ 74.662615][ T6578] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 74.668265][ T6578] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.674774][ T6578] ? kernfs_create_link+0x1b3/0x230 [ 74.680064][ T6578] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.686489][ T6578] ? kernfs_put+0x31/0x50 [ 74.691030][ T6578] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.697384][ T6578] ? sysfs_do_create_link_sd+0xbb/0x140 [ 74.703129][ T6578] ? sysfs_create_link+0x67/0xc0 [ 74.708078][ T6578] ? nsim_bus_remove+0x20/0x20 [ 74.713030][ T6578] really_probe+0x245/0xcc0 [ 74.717539][ T6578] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.723964][ T6578] __driver_probe_device+0x338/0x4d0 [ 74.729452][ T6578] driver_probe_device+0x4c/0x1a0 [ 74.734705][ T6578] __device_attach_driver+0x20b/0x2f0 [ 74.740411][ T6578] ? driver_allows_async_probing+0x150/0x150 [ 74.746453][ T6578] bus_for_each_drv+0x15f/0x1e0 [ 74.751398][ T6578] ? bus_for_each_dev+0x1d0/0x1d0 [ 74.756541][ T6578] ? rcu_read_lock_sched_held+0x3a/0x70 [ 74.762095][ T6578] __device_attach+0x228/0x4a0 [ 74.766862][ T6578] ? device_driver_attach+0x210/0x210 [ 74.772364][ T6578] ? kobject_uevent_env+0x2bb/0x1650 [ 74.777831][ T6578] bus_probe_device+0x1e4/0x290 [ 74.782704][ T6578] device_add+0xc35/0x21b0 [ 74.787132][ T6578] ? lockdep_init_map_type+0x2c3/0x7b0 [ 74.792779][ T6578] ? lockdep_init_map_type+0x2c3/0x7b0 [ 74.798360][ T6578] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 74.804612][ T6578] ? __raw_spin_lock_init+0x36/0x110 [ 74.809921][ T6578] new_device_store+0x48b/0x770 [ 74.814973][ T6578] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 74.821230][ T6578] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 74.827135][ T6578] ? sysfs_file_ops+0x1c0/0x1c0 [ 74.832000][ T6578] bus_attr_store+0x72/0xa0 [ 74.836714][ T6578] ? bus_attr_show+0x90/0x90 [ 74.841494][ T6578] sysfs_kf_write+0x110/0x160 [ 74.846268][ T6578] kernfs_fop_write_iter+0x342/0x500 [ 74.852448][ T6578] new_sync_write+0x429/0x660 [ 74.857146][ T6578] ? new_sync_read+0x6e0/0x6e0 [ 74.862094][ T6578] ? lock_release+0x720/0x720 [ 74.867078][ T6578] vfs_write+0x7cf/0xae0 [ 74.871334][ T6578] ksys_write+0x12d/0x250 [ 74.875663][ T6578] ? __ia32_sys_read+0xb0/0xb0 [ 74.880615][ T6578] ? syscall_enter_from_user_mode+0x21/0x70 [ 74.886869][ T6578] do_syscall_64+0x35/0xb0 [ 74.891311][ T6578] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.897236][ T6578] RIP: 0033:0x7f0ee64ec3ef [ 74.901932][ T6578] 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 [ 74.921713][ T6578] RSP: 002b:00007fff97396240 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 74.930211][ T6578] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0ee64ec3ef [ 74.938889][ T6578] RDX: 0000000000000003 RSI: 00007fff97396290 RDI: 0000000000000004 [ 74.947411][ T6578] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fff973961e0 [ 74.955599][ T6578] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f0ee6593971 [ 74.963752][ T6578] R13: 00007fff97396290 R14: 0000000000000000 R15: 00007fff97396960 [ 74.972214][ T6578] Kernel Offset: disabled [ 74.976789][ T6578] Rebooting in 86400 seconds..