Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. 2021/09/28 12:48:25 fuzzer started 2021/09/28 12:48:25 connecting to host at 10.128.0.169:44959 2021/09/28 12:48:25 checking machine... 2021/09/28 12:48:25 checking revisions... 2021/09/28 12:48:25 testing simple program... syzkaller login: [ 71.725121][ T6530] chnl_net:caif_netlink_parms(): no params data found [ 71.817216][ T6530] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.825711][ T6530] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.834980][ T6530] device bridge_slave_0 entered promiscuous mode [ 71.844948][ T6530] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.853403][ T6530] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.861998][ T6530] device bridge_slave_1 entered promiscuous mode [ 71.893402][ T6530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.908845][ T6530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.945462][ T6530] team0: Port device team_slave_0 added [ 71.954174][ T6530] team0: Port device team_slave_1 added [ 71.988378][ T6530] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.995340][ 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. [ 72.023154][ T6530] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.038627][ T6530] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.045817][ 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. [ 72.074073][ T6530] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.114253][ T6530] device hsr_slave_0 entered promiscuous mode [ 72.122448][ T6530] device hsr_slave_1 entered promiscuous mode [ 72.215360][ T6530] ------------[ cut here ]------------ [ 72.224399][ T6530] WARNING: CPU: 0 PID: 6530 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 72.235696][ T6530] Modules linked in: [ 72.241373][ T6530] CPU: 0 PID: 6530 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 72.252284][ T6530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.263382][ T6530] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 72.270526][ 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 [ 72.292142][ T6530] RSP: 0018:ffffc90002c3f658 EFLAGS: 00010293 [ 72.298854][ T6530] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.307377][ T6530] RDX: ffff88801ce71c80 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 72.316613][ T6530] RBP: ffff88801ef5b800 R08: 0000000000000000 R09: 0000000000000000 [ 72.324874][ T6530] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88801ac57000 [ 72.333037][ T6530] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801ac57070 [ 72.341994][ T6530] FS: 0000555555d8a400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.351609][ T6530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.359015][ T6530] CR2: 00007fbc2cc18740 CR3: 00000000685b2000 CR4: 00000000003506e0 [ 72.367294][ T6530] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.375372][ T6530] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.383556][ T6530] Call Trace: [ 72.386917][ T6530] devlink_region_create+0x39f/0x4c0 [ 72.392925][ T6530] nsim_dev_probe+0x5f6/0x1150 [ 72.398374][ T6530] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.404072][ T6530] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.410439][ T6530] ? kernfs_create_link+0x1b3/0x230 [ 72.415668][ T6530] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.422372][ T6530] ? kernfs_put+0x31/0x50 [ 72.426889][ T6530] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.433156][ T6530] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.439051][ T6530] ? sysfs_create_link+0x67/0xc0 [ 72.444019][ T6530] ? nsim_bus_remove+0x20/0x20 [ 72.449132][ T6530] really_probe+0x245/0xcc0 [ 72.454171][ T6530] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.460775][ T6530] __driver_probe_device+0x338/0x4d0 [ 72.468083][ T6530] driver_probe_device+0x4c/0x1a0 [ 72.473608][ T6530] __device_attach_driver+0x20b/0x2f0 [ 72.479256][ T6530] ? driver_allows_async_probing+0x150/0x150 [ 72.485698][ T6530] bus_for_each_drv+0x15f/0x1e0 [ 72.491106][ T6530] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.496462][ T6530] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.502242][ T6530] __device_attach+0x228/0x4a0 [ 72.507703][ T6530] ? device_driver_attach+0x210/0x210 [ 72.515124][ T6530] ? kobject_uevent_env+0x2bb/0x1650 [ 72.520617][ T6530] bus_probe_device+0x1e4/0x290 [ 72.525497][ T6530] device_add+0xc35/0x21b0 [ 72.530452][ T6530] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.536110][ T6530] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.541708][ T6530] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.548306][ T6530] ? __raw_spin_lock_init+0x36/0x110 [ 72.553636][ T6530] new_device_store+0x48b/0x770 [ 72.559117][ T6530] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.564993][ T6530] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.571513][ T6530] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.576717][ T6530] bus_attr_store+0x72/0xa0 [ 72.581357][ T6530] ? bus_attr_show+0x90/0x90 [ 72.586360][ T6530] sysfs_kf_write+0x110/0x160 [ 72.591237][ T6530] kernfs_fop_write_iter+0x342/0x500 [ 72.596641][ T6530] new_sync_write+0x429/0x660 [ 72.601344][ T6530] ? new_sync_read+0x6e0/0x6e0 [ 72.609367][ T6530] ? lock_release+0x720/0x720 [ 72.614261][ T6530] vfs_write+0x7cf/0xae0 [ 72.619266][ T6530] ksys_write+0x12d/0x250 [ 72.623858][ T6530] ? __ia32_sys_read+0xb0/0xb0 [ 72.628988][ T6530] ? syscall_enter_from_user_mode+0x21/0x70 [ 72.635493][ T6530] do_syscall_64+0x35/0xb0 [ 72.640097][ T6530] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.646310][ T6530] RIP: 0033:0x7f65504c93ef [ 72.650757][ 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 [ 72.670972][ T6530] RSP: 002b:00007fff36e0b030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 72.679723][ T6530] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f65504c93ef [ 72.689704][ T6530] RDX: 0000000000000003 RSI: 00007fff36e0b080 RDI: 0000000000000004 [ 72.698519][ T6530] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fff36e0afd0 [ 72.707768][ T6530] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6550570971 [ 72.717233][ T6530] R13: 00007fff36e0b080 R14: 0000000000000000 R15: 00007fff36e0b750 [ 72.725887][ T6530] Kernel panic - not syncing: panic_on_warn set ... [ 72.733038][ T6530] CPU: 1 PID: 6530 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 72.741758][ T6530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.752135][ T6530] Call Trace: [ 72.755565][ T6530] dump_stack_lvl+0xcd/0x134 [ 72.760597][ T6530] panic+0x2b0/0x6dd [ 72.764525][ T6530] ? __warn_printk+0xf3/0xf3 [ 72.769146][ T6530] ? __warn.cold+0x1a/0x44 [ 72.773782][ T6530] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.780486][ T6530] __warn.cold+0x35/0x44 [ 72.784984][ T6530] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.791056][ T6530] report_bug+0x1bd/0x210 [ 72.795801][ T6530] handle_bug+0x3c/0x60 [ 72.800053][ T6530] exc_invalid_op+0x14/0x40 [ 72.804564][ T6530] asm_exc_invalid_op+0x12/0x20 [ 72.809583][ T6530] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 72.815910][ 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 [ 72.836463][ T6530] RSP: 0018:ffffc90002c3f658 EFLAGS: 00010293 [ 72.842528][ T6530] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.850719][ T6530] RDX: ffff88801ce71c80 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 72.859846][ T6530] RBP: ffff88801ef5b800 R08: 0000000000000000 R09: 0000000000000000 [ 72.868497][ T6530] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88801ac57000 [ 72.876604][ T6530] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801ac57070 [ 72.885132][ T6530] ? devlink_nl_region_notify+0x7a/0x1e0 [ 72.891443][ T6530] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.897635][ T6530] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.904687][ T6530] devlink_region_create+0x39f/0x4c0 [ 72.910936][ T6530] nsim_dev_probe+0x5f6/0x1150 executing program [ 72.916483][ T6530] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.922413][ T6530] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.929655][ T6530] ? kernfs_create_link+0x1b3/0x230 [ 72.935339][ T6530] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.941923][ T6530] ? kernfs_put+0x31/0x50 [ 72.948272][ T6530] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.954705][ T6530] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.960468][ T6530] ? sysfs_create_link+0x67/0xc0 [ 72.965751][ T6530] ? nsim_bus_remove+0x20/0x20 [ 72.972751][ T6530] really_probe+0x245/0xcc0 [ 72.978781][ T6530] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.985620][ T6530] __driver_probe_device+0x338/0x4d0 [ 72.991231][ T6530] driver_probe_device+0x4c/0x1a0 [ 72.996709][ T6530] __device_attach_driver+0x20b/0x2f0 [ 73.003820][ T6530] ? driver_allows_async_probing+0x150/0x150 [ 73.009903][ T6530] bus_for_each_drv+0x15f/0x1e0 [ 73.014939][ T6530] ? bus_for_each_dev+0x1d0/0x1d0 [ 73.020667][ T6530] ? rcu_read_lock_sched_held+0x3a/0x70 [ 73.026759][ T6530] __device_attach+0x228/0x4a0 [ 73.032565][ T6530] ? device_driver_attach+0x210/0x210 [ 73.038742][ T6530] ? kobject_uevent_env+0x2bb/0x1650 [ 73.044374][ T6530] bus_probe_device+0x1e4/0x290 [ 73.049231][ T6530] device_add+0xc35/0x21b0 [ 73.053917][ T6530] ? lockdep_init_map_type+0x2c3/0x7b0 [ 73.060688][ T6530] ? lockdep_init_map_type+0x2c3/0x7b0 [ 73.067070][ T6530] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 73.073552][ T6530] ? __raw_spin_lock_init+0x36/0x110 [ 73.079256][ T6530] new_device_store+0x48b/0x770 [ 73.084908][ T6530] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 73.091364][ T6530] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 73.097536][ T6530] ? sysfs_file_ops+0x1c0/0x1c0 [ 73.102769][ T6530] bus_attr_store+0x72/0xa0 [ 73.107494][ T6530] ? bus_attr_show+0x90/0x90 [ 73.112923][ T6530] sysfs_kf_write+0x110/0x160 [ 73.118966][ T6530] kernfs_fop_write_iter+0x342/0x500 [ 73.124602][ T6530] new_sync_write+0x429/0x660 [ 73.129400][ T6530] ? new_sync_read+0x6e0/0x6e0 [ 73.134849][ T6530] ? lock_release+0x720/0x720 [ 73.140696][ T6530] vfs_write+0x7cf/0xae0 [ 73.145441][ T6530] ksys_write+0x12d/0x250 [ 73.151892][ T6530] ? __ia32_sys_read+0xb0/0xb0 [ 73.157057][ T6530] ? syscall_enter_from_user_mode+0x21/0x70 [ 73.163053][ T6530] do_syscall_64+0x35/0xb0 [ 73.168255][ T6530] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.174154][ T6530] RIP: 0033:0x7f65504c93ef [ 73.178562][ 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 [ 73.198954][ T6530] RSP: 002b:00007fff36e0b030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 73.207828][ T6530] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f65504c93ef [ 73.215906][ T6530] RDX: 0000000000000003 RSI: 00007fff36e0b080 RDI: 0000000000000004 [ 73.224272][ T6530] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fff36e0afd0 [ 73.232511][ T6530] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6550570971 [ 73.240946][ T6530] R13: 00007fff36e0b080 R14: 0000000000000000 R15: 00007fff36e0b750 [ 73.249527][ T6530] Kernel Offset: disabled [ 73.253969][ T6530] Rebooting in 86400 seconds..