Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. 2021/09/28 00:40:58 fuzzer started 2021/09/28 00:40:59 connecting to host at 10.128.0.169:34031 2021/09/28 00:40:59 checking machine... 2021/09/28 00:40:59 checking revisions... 2021/09/28 00:40:59 testing simple program... syzkaller login: [ 69.464185][ T6541] chnl_net:caif_netlink_parms(): no params data found [ 69.538143][ T6541] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.546792][ T6541] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.555808][ T6541] device bridge_slave_0 entered promiscuous mode [ 69.566035][ T6541] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.573615][ T6541] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.582133][ T6541] device bridge_slave_1 entered promiscuous mode [ 69.614872][ T6541] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.626393][ T6541] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.661662][ T6541] team0: Port device team_slave_0 added [ 69.669537][ T6541] team0: Port device team_slave_1 added [ 69.694956][ T6541] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.701997][ T6541] 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. [ 69.728346][ T6541] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.743271][ T6541] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.750682][ T6541] 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. [ 69.777015][ T6541] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.813355][ T6541] device hsr_slave_0 entered promiscuous mode [ 69.821395][ T6541] device hsr_slave_1 entered promiscuous mode [ 69.907749][ T6541] ------------[ cut here ]------------ [ 69.913477][ T6541] WARNING: CPU: 1 PID: 6541 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 69.924665][ T6541] Modules linked in: [ 69.928588][ T6541] CPU: 1 PID: 6541 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 69.937806][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.948876][ T6541] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 69.955239][ T6541] 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 [ 69.976266][ T6541] RSP: 0018:ffffc90002507658 EFLAGS: 00010293 [ 69.984161][ T6541] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 69.992856][ T6541] RDX: ffff88807cc8d580 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 70.001005][ T6541] RBP: ffff8881419bfb00 R08: 0000000000000000 R09: 0000000000000000 [ 70.009867][ T6541] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88806e877000 [ 70.017866][ T6541] R13: 0000000000000000 R14: 000000000000002c R15: ffff88806e877070 [ 70.026054][ T6541] FS: 0000555556d9a400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.035059][ T6541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.041728][ T6541] CR2: 00007f146323b740 CR3: 0000000067c13000 CR4: 00000000003506f0 [ 70.049781][ T6541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.057785][ T6541] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.065838][ T6541] Call Trace: [ 70.069212][ T6541] devlink_region_create+0x39f/0x4c0 [ 70.074953][ T6541] nsim_dev_probe+0x5f6/0x1150 [ 70.079789][ T6541] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 70.085370][ T6541] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.091914][ T6541] ? kernfs_create_link+0x1b3/0x230 [ 70.097133][ T6541] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.103546][ T6541] ? kernfs_put+0x31/0x50 [ 70.107888][ T6541] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.114216][ T6541] ? sysfs_do_create_link_sd+0xbb/0x140 [ 70.119850][ T6541] ? sysfs_create_link+0x67/0xc0 [ 70.124798][ T6541] ? nsim_bus_remove+0x20/0x20 [ 70.129639][ T6541] really_probe+0x245/0xcc0 [ 70.134150][ T6541] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.140477][ T6541] __driver_probe_device+0x338/0x4d0 [ 70.145797][ T6541] driver_probe_device+0x4c/0x1a0 [ 70.150917][ T6541] __device_attach_driver+0x20b/0x2f0 [ 70.156312][ T6541] ? driver_allows_async_probing+0x150/0x150 [ 70.162591][ T6541] bus_for_each_drv+0x15f/0x1e0 [ 70.167447][ T6541] ? bus_for_each_dev+0x1d0/0x1d0 [ 70.172736][ T6541] ? rcu_read_lock_sched_held+0x3a/0x70 [ 70.178291][ T6541] __device_attach+0x228/0x4a0 [ 70.183178][ T6541] ? device_driver_attach+0x210/0x210 [ 70.188570][ T6541] ? kobject_uevent_env+0x2bb/0x1650 [ 70.193931][ T6541] bus_probe_device+0x1e4/0x290 [ 70.198891][ T6541] device_add+0xc35/0x21b0 [ 70.203324][ T6541] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.208857][ T6541] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.214323][ T6541] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 70.220838][ T6541] ? __raw_spin_lock_init+0x36/0x110 [ 70.226145][ T6541] new_device_store+0x48b/0x770 [ 70.231081][ T6541] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.236909][ T6541] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.242848][ T6541] ? sysfs_file_ops+0x1c0/0x1c0 [ 70.247712][ T6541] bus_attr_store+0x72/0xa0 [ 70.252378][ T6541] ? bus_attr_show+0x90/0x90 [ 70.256984][ T6541] sysfs_kf_write+0x110/0x160 [ 70.261762][ T6541] kernfs_fop_write_iter+0x342/0x500 [ 70.267073][ T6541] new_sync_write+0x429/0x660 [ 70.271837][ T6541] ? new_sync_read+0x6e0/0x6e0 [ 70.276622][ T6541] ? lock_release+0x720/0x720 [ 70.281412][ T6541] vfs_write+0x7cf/0xae0 [ 70.285709][ T6541] ksys_write+0x12d/0x250 [ 70.290118][ T6541] ? __ia32_sys_read+0xb0/0xb0 [ 70.294891][ T6541] ? syscall_enter_from_user_mode+0x21/0x70 [ 70.300856][ T6541] do_syscall_64+0x35/0xb0 [ 70.305300][ T6541] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.311251][ T6541] RIP: 0033:0x7f151aaa73ef [ 70.315672][ T6541] 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 [ 70.335586][ T6541] RSP: 002b:00007ffdb8d592c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 70.344121][ T6541] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f151aaa73ef [ 70.352171][ T6541] RDX: 0000000000000003 RSI: 00007ffdb8d59310 RDI: 0000000000000004 [ 70.360204][ T6541] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffdb8d59260 [ 70.368266][ T6541] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f151ab4e971 [ 70.376583][ T6541] R13: 00007ffdb8d59310 R14: 0000000000000000 R15: 00007ffdb8d599e0 [ 70.384702][ T6541] Kernel panic - not syncing: panic_on_warn set ... [ 70.391299][ T6541] CPU: 0 PID: 6541 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 70.399971][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.410024][ T6541] Call Trace: [ 70.413301][ T6541] dump_stack_lvl+0xcd/0x134 [ 70.417895][ T6541] panic+0x2b0/0x6dd [ 70.421796][ T6541] ? __warn_printk+0xf3/0xf3 [ 70.426395][ T6541] ? __warn.cold+0x1a/0x44 [ 70.430815][ T6541] ? devlink_nl_region_notify+0x184/0x1e0 [ 70.436566][ T6541] __warn.cold+0x35/0x44 [ 70.440804][ T6541] ? devlink_nl_region_notify+0x184/0x1e0 [ 70.446536][ T6541] report_bug+0x1bd/0x210 [ 70.450875][ T6541] handle_bug+0x3c/0x60 [ 70.455032][ T6541] exc_invalid_op+0x14/0x40 [ 70.459535][ T6541] asm_exc_invalid_op+0x12/0x20 [ 70.464392][ T6541] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 70.470745][ T6541] 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 [ 70.490349][ T6541] RSP: 0018:ffffc90002507658 EFLAGS: 00010293 [ 70.496413][ T6541] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.504378][ T6541] RDX: ffff88807cc8d580 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 70.512345][ T6541] RBP: ffff8881419bfb00 R08: 0000000000000000 R09: 0000000000000000 [ 70.520310][ T6541] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88806e877000 [ 70.528284][ T6541] R13: 0000000000000000 R14: 000000000000002c R15: ffff88806e877070 [ 70.536278][ T6541] ? devlink_nl_region_notify+0x7a/0x1e0 [ 70.542612][ T6541] ? devlink_nl_region_notify+0x184/0x1e0 [ 70.548333][ T6541] ? devlink_nl_region_notify+0x184/0x1e0 [ 70.554055][ T6541] devlink_region_create+0x39f/0x4c0 [ 70.559356][ T6541] nsim_dev_probe+0x5f6/0x1150 [ 70.564142][ T6541] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 70.569704][ T6541] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.575955][ T6541] ? kernfs_create_link+0x1b3/0x230 [ 70.581255][ T6541] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.587499][ T6541] ? kernfs_put+0x31/0x50 [ 70.591843][ T6541] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.598079][ T6541] ? sysfs_do_create_link_sd+0xbb/0x140 [ 70.603642][ T6541] ? sysfs_create_link+0x67/0xc0 [ 70.608583][ T6541] ? nsim_bus_remove+0x20/0x20 [ 70.613348][ T6541] really_probe+0x245/0xcc0 [ 70.617852][ T6541] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.624188][ T6541] __driver_probe_device+0x338/0x4d0 [ 70.629481][ T6541] driver_probe_device+0x4c/0x1a0 [ 70.634509][ T6541] __device_attach_driver+0x20b/0x2f0 [ 70.639883][ T6541] ? driver_allows_async_probing+0x150/0x150 [ 70.645924][ T6541] bus_for_each_drv+0x15f/0x1e0 [ 70.650776][ T6541] ? bus_for_each_dev+0x1d0/0x1d0 [ 70.655809][ T6541] ? rcu_read_lock_sched_held+0x3a/0x70 [ 70.661355][ T6541] __device_attach+0x228/0x4a0 [ 70.666121][ T6541] ? device_driver_attach+0x210/0x210 [ 70.671510][ T6541] ? kobject_uevent_env+0x2bb/0x1650 [ 70.676810][ T6541] bus_probe_device+0x1e4/0x290 [ 70.681675][ T6541] device_add+0xc35/0x21b0 [ 70.686103][ T6541] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.691558][ T6541] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.697011][ T6541] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 70.703254][ T6541] ? __raw_spin_lock_init+0x36/0x110 [ 70.708545][ T6541] new_device_store+0x48b/0x770 [ 70.713401][ T6541] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.719217][ T6541] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.725037][ T6541] ? sysfs_file_ops+0x1c0/0x1c0 [ 70.729885][ T6541] bus_attr_store+0x72/0xa0 [ 70.734409][ T6541] ? bus_attr_show+0x90/0x90 [ 70.738996][ T6541] sysfs_kf_write+0x110/0x160 [ 70.743676][ T6541] kernfs_fop_write_iter+0x342/0x500 [ 70.748966][ T6541] new_sync_write+0x429/0x660 [ 70.753639][ T6541] ? new_sync_read+0x6e0/0x6e0 [ 70.758417][ T6541] ? lock_release+0x720/0x720 [ 70.763115][ T6541] vfs_write+0x7cf/0xae0 [ 70.767360][ T6541] ksys_write+0x12d/0x250 [ 70.771692][ T6541] ? __ia32_sys_read+0xb0/0xb0 [ 70.776465][ T6541] ? syscall_enter_from_user_mode+0x21/0x70 [ 70.782367][ T6541] do_syscall_64+0x35/0xb0 [ 70.786787][ T6541] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.792695][ T6541] RIP: 0033:0x7f151aaa73ef [ 70.797105][ T6541] 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 [ 70.816712][ T6541] RSP: 002b:00007ffdb8d592c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 70.825121][ T6541] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f151aaa73ef [ 70.833085][ T6541] RDX: 0000000000000003 RSI: 00007ffdb8d59310 RDI: 0000000000000004 [ 70.841140][ T6541] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffdb8d59260 [ 70.849100][ T6541] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f151ab4e971 [ 70.857065][ T6541] R13: 00007ffdb8d59310 R14: 0000000000000000 R15: 00007ffdb8d599e0 [ 70.865227][ T6541] Kernel Offset: disabled [ 70.869734][ T6541] Rebooting in 86400 seconds..