Warning: Permanently added '10.128.0.93' (ECDSA) to the list of known hosts. 2021/09/28 00:40:58 fuzzer started 2021/09/28 00:40:58 connecting to host at 10.128.0.169:44679 2021/09/28 00:40:58 checking machine... 2021/09/28 00:40:58 checking revisions... 2021/09/28 00:40:58 testing simple program... syzkaller login: [ 67.698400][ T6527] chnl_net:caif_netlink_parms(): no params data found [ 67.767438][ T6527] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.775066][ T6527] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.784594][ T6527] device bridge_slave_0 entered promiscuous mode [ 67.794167][ T6527] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.801603][ T6527] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.810737][ T6527] device bridge_slave_1 entered promiscuous mode [ 67.841682][ T6527] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.852835][ T6527] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.888368][ T6527] team0: Port device team_slave_0 added [ 67.895555][ T6527] team0: Port device team_slave_1 added [ 67.923938][ T6527] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.931302][ T6527] 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. [ 67.957333][ T6527] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.969894][ T6527] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.976929][ T6527] 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. [ 68.003068][ T6527] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.042380][ T6527] device hsr_slave_0 entered promiscuous mode [ 68.049765][ T6527] device hsr_slave_1 entered promiscuous mode [ 68.131247][ T6527] ------------[ cut here ]------------ [ 68.137332][ T6527] WARNING: CPU: 1 PID: 6527 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 68.149312][ T6527] Modules linked in: [ 68.153245][ T6527] CPU: 1 PID: 6527 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 68.162189][ T6527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.173844][ T6527] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 68.180408][ T6527] 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 [ 68.201026][ T6527] RSP: 0018:ffffc9000251f658 EFLAGS: 00010293 [ 68.207270][ T6527] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 68.215249][ T6527] RDX: ffff88807b3d9c80 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 68.223417][ T6527] RBP: ffff888073ac6b80 R08: 0000000000000000 R09: 0000000000000000 [ 68.231492][ T6527] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88807a40f000 [ 68.239563][ T6527] R13: 0000000000000000 R14: 000000000000002c R15: ffff88807a40f070 [ 68.247605][ T6527] FS: 000055555604f400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 68.256754][ T6527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.263422][ T6527] CR2: 00007f67eaf70740 CR3: 0000000069cbc000 CR4: 00000000003506f0 [ 68.271456][ T6527] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.279554][ T6527] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.287620][ T6527] Call Trace: [ 68.290923][ T6527] devlink_region_create+0x39f/0x4c0 [ 68.296358][ T6527] nsim_dev_probe+0x5f6/0x1150 [ 68.301160][ T6527] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 68.306792][ T6527] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.313130][ T6527] ? kernfs_create_link+0x1b3/0x230 [ 68.318439][ T6527] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 68.324692][ T6527] ? kernfs_put+0x31/0x50 [ 68.329088][ T6527] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.335337][ T6527] ? sysfs_do_create_link_sd+0xbb/0x140 [ 68.341026][ T6527] ? sysfs_create_link+0x67/0xc0 [ 68.346346][ T6527] ? nsim_bus_remove+0x20/0x20 [ 68.351257][ T6527] really_probe+0x245/0xcc0 [ 68.355857][ T6527] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 68.362109][ T6527] __driver_probe_device+0x338/0x4d0 [ 68.367468][ T6527] driver_probe_device+0x4c/0x1a0 [ 68.372555][ T6527] __device_attach_driver+0x20b/0x2f0 [ 68.378044][ T6527] ? driver_allows_async_probing+0x150/0x150 [ 68.384038][ T6527] bus_for_each_drv+0x15f/0x1e0 [ 68.388952][ T6527] ? bus_for_each_dev+0x1d0/0x1d0 [ 68.393987][ T6527] ? rcu_read_lock_sched_held+0x3a/0x70 [ 68.399641][ T6527] __device_attach+0x228/0x4a0 [ 68.404424][ T6527] ? device_driver_attach+0x210/0x210 [ 68.409898][ T6527] ? kobject_uevent_env+0x2bb/0x1650 [ 68.415211][ T6527] bus_probe_device+0x1e4/0x290 [ 68.420207][ T6527] device_add+0xc35/0x21b0 [ 68.425105][ T6527] ? lockdep_init_map_type+0x2c3/0x7b0 [ 68.430826][ T6527] ? lockdep_init_map_type+0x2c3/0x7b0 [ 68.436451][ T6527] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 68.442835][ T6527] ? __raw_spin_lock_init+0x36/0x110 [ 68.448206][ T6527] new_device_store+0x48b/0x770 [ 68.453073][ T6527] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 68.459042][ T6527] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 68.464872][ T6527] ? sysfs_file_ops+0x1c0/0x1c0 [ 68.469923][ T6527] bus_attr_store+0x72/0xa0 [ 68.474446][ T6527] ? bus_attr_show+0x90/0x90 [ 68.479132][ T6527] sysfs_kf_write+0x110/0x160 [ 68.483826][ T6527] kernfs_fop_write_iter+0x342/0x500 [ 68.489361][ T6527] new_sync_write+0x429/0x660 [ 68.494059][ T6527] ? new_sync_read+0x6e0/0x6e0 [ 68.498990][ T6527] ? lock_release+0x720/0x720 [ 68.503744][ T6527] vfs_write+0x7cf/0xae0 [ 68.508072][ T6527] ksys_write+0x12d/0x250 [ 68.512410][ T6527] ? __ia32_sys_read+0xb0/0xb0 [ 68.517259][ T6527] ? syscall_enter_from_user_mode+0x21/0x70 [ 68.523168][ T6527] do_syscall_64+0x35/0xb0 [ 68.527667][ T6527] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.533579][ T6527] RIP: 0033:0x7f19126243ef [ 68.538101][ T6527] 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 [ 68.557848][ T6527] RSP: 002b:00007ffe7a351f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 68.566449][ T6527] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f19126243ef [ 68.574434][ T6527] RDX: 0000000000000003 RSI: 00007ffe7a351f70 RDI: 0000000000000004 [ 68.582503][ T6527] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffe7a351ec0 [ 68.590553][ T6527] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f19126cb971 [ 68.598696][ T6527] R13: 00007ffe7a351f70 R14: 0000000000000000 R15: 00007ffe7a352640 [ 68.606763][ T6527] Kernel panic - not syncing: panic_on_warn set ... [ 68.613337][ T6527] CPU: 0 PID: 6527 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 68.621997][ T6527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.632139][ T6527] Call Trace: [ 68.635430][ T6527] dump_stack_lvl+0xcd/0x134 [ 68.640015][ T6527] panic+0x2b0/0x6dd [ 68.643915][ T6527] ? __warn_printk+0xf3/0xf3 [ 68.648497][ T6527] ? __warn.cold+0x1a/0x44 [ 68.652911][ T6527] ? devlink_nl_region_notify+0x184/0x1e0 [ 68.658619][ T6527] __warn.cold+0x35/0x44 [ 68.662850][ T6527] ? devlink_nl_region_notify+0x184/0x1e0 [ 68.668575][ T6527] report_bug+0x1bd/0x210 [ 68.672897][ T6527] handle_bug+0x3c/0x60 [ 68.677044][ T6527] exc_invalid_op+0x14/0x40 [ 68.681636][ T6527] asm_exc_invalid_op+0x12/0x20 [ 68.686487][ T6527] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 68.692815][ T6527] 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 [ 68.712420][ T6527] RSP: 0018:ffffc9000251f658 EFLAGS: 00010293 [ 68.718487][ T6527] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 68.726455][ T6527] RDX: ffff88807b3d9c80 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 68.734429][ T6527] RBP: ffff888073ac6b80 R08: 0000000000000000 R09: 0000000000000000 [ 68.742396][ T6527] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88807a40f000 [ 68.750360][ T6527] R13: 0000000000000000 R14: 000000000000002c R15: ffff88807a40f070 [ 68.758335][ T6527] ? devlink_nl_region_notify+0x7a/0x1e0 [ 68.763974][ T6527] ? devlink_nl_region_notify+0x184/0x1e0 [ 68.769700][ T6527] ? devlink_nl_region_notify+0x184/0x1e0 [ 68.775441][ T6527] devlink_region_create+0x39f/0x4c0 [ 68.781285][ T6527] nsim_dev_probe+0x5f6/0x1150 [ 68.786058][ T6527] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 68.791632][ T6527] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.797962][ T6527] ? kernfs_create_link+0x1b3/0x230 [ 68.803163][ T6527] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 68.809419][ T6527] ? kernfs_put+0x31/0x50 [ 68.813871][ T6527] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.820130][ T6527] ? sysfs_do_create_link_sd+0xbb/0x140 [ 68.825685][ T6527] ? sysfs_create_link+0x67/0xc0 [ 68.830635][ T6527] ? nsim_bus_remove+0x20/0x20 [ 68.835407][ T6527] really_probe+0x245/0xcc0 [ 68.839912][ T6527] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 68.846159][ T6527] __driver_probe_device+0x338/0x4d0 [ 68.851456][ T6527] driver_probe_device+0x4c/0x1a0 [ 68.856482][ T6527] __device_attach_driver+0x20b/0x2f0 [ 68.861861][ T6527] ? driver_allows_async_probing+0x150/0x150 [ 68.867844][ T6527] bus_for_each_drv+0x15f/0x1e0 [ 68.872696][ T6527] ? bus_for_each_dev+0x1d0/0x1d0 [ 68.877728][ T6527] ? rcu_read_lock_sched_held+0x3a/0x70 [ 68.883278][ T6527] __device_attach+0x228/0x4a0 [ 68.888054][ T6527] ? device_driver_attach+0x210/0x210 [ 68.893427][ T6527] ? kobject_uevent_env+0x2bb/0x1650 [ 68.898716][ T6527] bus_probe_device+0x1e4/0x290 [ 68.903571][ T6527] device_add+0xc35/0x21b0 [ 68.907992][ T6527] ? lockdep_init_map_type+0x2c3/0x7b0 [ 68.913450][ T6527] ? lockdep_init_map_type+0x2c3/0x7b0 [ 68.918907][ T6527] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 68.925147][ T6527] ? __raw_spin_lock_init+0x36/0x110 [ 68.930438][ T6527] new_device_store+0x48b/0x770 [ 68.935464][ T6527] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 68.941284][ T6527] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 68.947099][ T6527] ? sysfs_file_ops+0x1c0/0x1c0 [ 68.951951][ T6527] bus_attr_store+0x72/0xa0 [ 68.956474][ T6527] ? bus_attr_show+0x90/0x90 [ 68.961064][ T6527] sysfs_kf_write+0x110/0x160 [ 68.965743][ T6527] kernfs_fop_write_iter+0x342/0x500 [ 68.971036][ T6527] new_sync_write+0x429/0x660 [ 68.975711][ T6527] ? new_sync_read+0x6e0/0x6e0 [ 68.980475][ T6527] ? lock_release+0x720/0x720 [ 68.985167][ T6527] vfs_write+0x7cf/0xae0 [ 68.989414][ T6527] ksys_write+0x12d/0x250 [ 68.993753][ T6527] ? __ia32_sys_read+0xb0/0xb0 [ 68.998515][ T6527] ? syscall_enter_from_user_mode+0x21/0x70 [ 69.004585][ T6527] do_syscall_64+0x35/0xb0 [ 69.009005][ T6527] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.014903][ T6527] RIP: 0033:0x7f19126243ef [ 69.019315][ T6527] 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 [ 69.038915][ T6527] RSP: 002b:00007ffe7a351f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 69.047326][ T6527] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f19126243ef [ 69.055295][ T6527] RDX: 0000000000000003 RSI: 00007ffe7a351f70 RDI: 0000000000000004 [ 69.063258][ T6527] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffe7a351ec0 [ 69.071224][ T6527] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f19126cb971 [ 69.079187][ T6527] R13: 00007ffe7a351f70 R14: 0000000000000000 R15: 00007ffe7a352640 [ 69.087366][ T6527] Kernel Offset: disabled [ 69.091771][ T6527] Rebooting in 86400 seconds..