Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.22' (ECDSA) to the list of known hosts. 2021/09/28 13:42:06 fuzzer started 2021/09/28 13:42:07 connecting to host at 10.128.0.169:38291 2021/09/28 13:42:07 checking machine... 2021/09/28 13:42:07 checking revisions... 2021/09/28 13:42:07 testing simple program... syzkaller login: [ 71.687734][ T6568] chnl_net:caif_netlink_parms(): no params data found [ 71.767550][ T6568] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.776678][ T6568] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.786148][ T6568] device bridge_slave_0 entered promiscuous mode [ 71.796183][ T6568] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.804761][ T6568] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.813512][ T6568] device bridge_slave_1 entered promiscuous mode [ 71.849442][ T6568] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.860669][ T6568] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.897936][ T6568] team0: Port device team_slave_0 added [ 71.906019][ T6568] team0: Port device team_slave_1 added [ 71.935810][ T6568] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.944603][ T6568] 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. [ 71.972587][ T6568] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.986228][ T6568] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.994052][ T6568] 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. [ 72.022303][ T6568] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.060276][ T6568] device hsr_slave_0 entered promiscuous mode [ 72.067085][ T6568] device hsr_slave_1 entered promiscuous mode [ 72.153010][ T6568] ------------[ cut here ]------------ [ 72.159053][ T6568] WARNING: CPU: 0 PID: 6568 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 72.171872][ T6568] Modules linked in: [ 72.175890][ T6568] CPU: 0 PID: 6568 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 72.185903][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.197315][ T6568] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 72.205470][ T6568] 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 [ 72.226895][ T6568] RSP: 0018:ffffc9000c197658 EFLAGS: 00010293 [ 72.234505][ T6568] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.243540][ T6568] RDX: ffff88801d3dd580 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 72.252408][ T6568] RBP: ffff88801d985480 R08: 0000000000000000 R09: 0000000000000000 [ 72.260473][ T6568] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff888078bbb000 [ 72.269475][ T6568] R13: 0000000000000000 R14: 000000000000002c R15: ffff888078bbb070 [ 72.278304][ T6568] FS: 00005555572f1400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.288228][ T6568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.295738][ T6568] CR2: 00007f11f3803000 CR3: 0000000067e82000 CR4: 00000000003506f0 [ 72.304363][ T6568] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.313352][ T6568] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.322065][ T6568] Call Trace: [ 72.325473][ T6568] devlink_region_create+0x39f/0x4c0 [ 72.331737][ T6568] nsim_dev_probe+0x5f6/0x1150 [ 72.336512][ T6568] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.343381][ T6568] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.350041][ T6568] ? kernfs_create_link+0x1b3/0x230 [ 72.356509][ T6568] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.364075][ T6568] ? kernfs_put+0x31/0x50 [ 72.368629][ T6568] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.375220][ T6568] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.381354][ T6568] ? sysfs_create_link+0x67/0xc0 [ 72.386680][ T6568] ? nsim_bus_remove+0x20/0x20 [ 72.392130][ T6568] really_probe+0x245/0xcc0 [ 72.396665][ T6568] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.403008][ T6568] __driver_probe_device+0x338/0x4d0 [ 72.408349][ T6568] driver_probe_device+0x4c/0x1a0 [ 72.413493][ T6568] __device_attach_driver+0x20b/0x2f0 [ 72.419009][ T6568] ? driver_allows_async_probing+0x150/0x150 [ 72.425074][ T6568] bus_for_each_drv+0x15f/0x1e0 [ 72.429947][ T6568] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.435243][ T6568] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.441082][ T6568] __device_attach+0x228/0x4a0 [ 72.446329][ T6568] ? device_driver_attach+0x210/0x210 [ 72.452201][ T6568] ? kobject_uevent_env+0x2bb/0x1650 [ 72.457523][ T6568] bus_probe_device+0x1e4/0x290 [ 72.462484][ T6568] device_add+0xc35/0x21b0 [ 72.466939][ T6568] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.472684][ T6568] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.478403][ T6568] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.484995][ T6568] ? __raw_spin_lock_init+0x36/0x110 [ 72.490415][ T6568] new_device_store+0x48b/0x770 [ 72.495400][ T6568] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.501429][ T6568] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.507280][ T6568] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.512249][ T6568] bus_attr_store+0x72/0xa0 [ 72.517293][ T6568] ? bus_attr_show+0x90/0x90 [ 72.522492][ T6568] sysfs_kf_write+0x110/0x160 [ 72.527363][ T6568] kernfs_fop_write_iter+0x342/0x500 [ 72.532982][ T6568] new_sync_write+0x429/0x660 [ 72.537705][ T6568] ? new_sync_read+0x6e0/0x6e0 [ 72.542692][ T6568] ? lock_release+0x720/0x720 [ 72.547578][ T6568] vfs_write+0x7cf/0xae0 [ 72.552099][ T6568] ksys_write+0x12d/0x250 [ 72.556529][ T6568] ? __ia32_sys_read+0xb0/0xb0 [ 72.561829][ T6568] ? syscall_enter_from_user_mode+0x21/0x70 [ 72.567874][ T6568] do_syscall_64+0x35/0xb0 [ 72.572385][ T6568] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.578612][ T6568] RIP: 0033:0x7fef312223ef [ 72.583114][ T6568] 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 [ 72.603748][ T6568] RSP: 002b:00007ffd46083c30 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 72.613080][ T6568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fef312223ef [ 72.621424][ T6568] RDX: 0000000000000003 RSI: 00007ffd46083c80 RDI: 0000000000000004 [ 72.629694][ T6568] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffd46083bd0 [ 72.637885][ T6568] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fef312c9971 [ 72.646186][ T6568] R13: 00007ffd46083c80 R14: 0000000000000000 R15: 00007ffd46084350 [ 72.654723][ T6568] Kernel panic - not syncing: panic_on_warn set ... [ 72.661528][ T6568] CPU: 1 PID: 6568 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 72.670413][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.681378][ T6568] Call Trace: [ 72.684779][ T6568] dump_stack_lvl+0xcd/0x134 [ 72.689457][ T6568] panic+0x2b0/0x6dd [ 72.693617][ T6568] ? __warn_printk+0xf3/0xf3 [ 72.698471][ T6568] ? __warn.cold+0x1a/0x44 [ 72.702919][ T6568] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.709279][ T6568] __warn.cold+0x35/0x44 [ 72.713777][ T6568] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.719522][ T6568] report_bug+0x1bd/0x210 [ 72.724131][ T6568] handle_bug+0x3c/0x60 [ 72.728477][ T6568] exc_invalid_op+0x14/0x40 [ 72.733266][ T6568] asm_exc_invalid_op+0x12/0x20 [ 72.738223][ T6568] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 72.744964][ T6568] 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 [ 72.765716][ T6568] RSP: 0018:ffffc9000c197658 EFLAGS: 00010293 [ 72.772709][ T6568] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.781128][ T6568] RDX: ffff88801d3dd580 RSI: ffffffff87344e94 RDI: 0000000000000003 [ 72.789295][ T6568] RBP: ffff88801d985480 R08: 0000000000000000 R09: 0000000000000000 [ 72.797543][ T6568] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff888078bbb000 [ 72.805648][ T6568] R13: 0000000000000000 R14: 000000000000002c R15: ffff888078bbb070 [ 72.813828][ T6568] ? devlink_nl_region_notify+0x7a/0x1e0 [ 72.819587][ T6568] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.825837][ T6568] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.831567][ T6568] devlink_region_create+0x39f/0x4c0 [ 72.836959][ T6568] nsim_dev_probe+0x5f6/0x1150 [ 72.841735][ T6568] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.847301][ T6568] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.853547][ T6568] ? kernfs_create_link+0x1b3/0x230 [ 72.859012][ T6568] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.865351][ T6568] ? kernfs_put+0x31/0x50 [ 72.869859][ T6568] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.876569][ T6568] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.882854][ T6568] ? sysfs_create_link+0x67/0xc0 [ 72.888004][ T6568] ? nsim_bus_remove+0x20/0x20 [ 72.892774][ T6568] really_probe+0x245/0xcc0 [ 72.897293][ T6568] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.903714][ T6568] __driver_probe_device+0x338/0x4d0 [ 72.909144][ T6568] driver_probe_device+0x4c/0x1a0 [ 72.914211][ T6568] __device_attach_driver+0x20b/0x2f0 [ 72.919695][ T6568] ? driver_allows_async_probing+0x150/0x150 [ 72.925722][ T6568] bus_for_each_drv+0x15f/0x1e0 [ 72.930937][ T6568] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.936503][ T6568] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.942315][ T6568] __device_attach+0x228/0x4a0 [ 72.947171][ T6568] ? device_driver_attach+0x210/0x210 [ 72.952563][ T6568] ? kobject_uevent_env+0x2bb/0x1650 [ 72.958202][ T6568] bus_probe_device+0x1e4/0x290 [ 72.963062][ T6568] device_add+0xc35/0x21b0 [ 72.967588][ T6568] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.973230][ T6568] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.978701][ T6568] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.985032][ T6568] ? __raw_spin_lock_init+0x36/0x110 [ 72.990417][ T6568] new_device_store+0x48b/0x770 [ 72.995363][ T6568] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 73.001375][ T6568] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 73.007471][ T6568] ? sysfs_file_ops+0x1c0/0x1c0 [ 73.012372][ T6568] bus_attr_store+0x72/0xa0 [ 73.017241][ T6568] ? bus_attr_show+0x90/0x90 [ 73.021835][ T6568] sysfs_kf_write+0x110/0x160 [ 73.027143][ T6568] kernfs_fop_write_iter+0x342/0x500 [ 73.032636][ T6568] new_sync_write+0x429/0x660 [ 73.037950][ T6568] ? new_sync_read+0x6e0/0x6e0 [ 73.042828][ T6568] ? lock_release+0x720/0x720 [ 73.048011][ T6568] vfs_write+0x7cf/0xae0 [ 73.052286][ T6568] ksys_write+0x12d/0x250 [ 73.057229][ T6568] ? __ia32_sys_read+0xb0/0xb0 [ 73.062128][ T6568] ? syscall_enter_from_user_mode+0x21/0x70 [ 73.068209][ T6568] do_syscall_64+0x35/0xb0 [ 73.072827][ T6568] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.078731][ T6568] RIP: 0033:0x7fef312223ef [ 73.083239][ T6568] 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 [ 73.103479][ T6568] RSP: 002b:00007ffd46083c30 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 73.111995][ T6568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fef312223ef [ 73.120511][ T6568] RDX: 0000000000000003 RSI: 00007ffd46083c80 RDI: 0000000000000004 [ 73.128673][ T6568] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffd46083bd0 [ 73.136928][ T6568] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fef312c9971 [ 73.145101][ T6568] R13: 00007ffd46083c80 R14: 0000000000000000 R15: 00007ffd46084350 [ 73.153714][ T6568] Kernel Offset: disabled [ 73.158257][ T6568] Rebooting in 86400 seconds..