Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.6' (ECDSA) to the list of known hosts. 2021/09/28 14:45:13 fuzzer started 2021/09/28 14:45:13 connecting to host at 10.128.0.169:46459 2021/09/28 14:45:13 checking machine... 2021/09/28 14:45:13 checking revisions... 2021/09/28 14:45:13 testing simple program... syzkaller login: [ 78.263544][ T6589] chnl_net:caif_netlink_parms(): no params data found [ 78.339084][ T6589] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.347463][ T6589] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.356761][ T6589] device bridge_slave_0 entered promiscuous mode [ 78.367525][ T6589] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.375627][ T6589] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.384144][ T6589] device bridge_slave_1 entered promiscuous mode [ 78.418037][ T6589] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.430102][ T6589] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.467284][ T6589] team0: Port device team_slave_0 added [ 78.475144][ T6589] team0: Port device team_slave_1 added [ 78.505257][ T6589] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.513944][ T6589] 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. [ 78.542727][ T6589] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.558146][ T6589] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.565768][ T6589] 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. [ 78.594417][ T6589] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.634120][ T6589] device hsr_slave_0 entered promiscuous mode [ 78.643528][ T6589] device hsr_slave_1 entered promiscuous mode [ 78.737930][ T6589] ------------[ cut here ]------------ [ 78.744183][ T6589] WARNING: CPU: 1 PID: 6589 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 78.755306][ T6589] Modules linked in: [ 78.759408][ T6589] CPU: 1 PID: 6589 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 78.769304][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.780311][ T6589] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 78.787947][ T6589] 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 f1 bb 41 fa e8 ec bb 41 fa <0f> 0b e9 f7 fe ff ff e8 e0 bb 41 fa 0f 0b eb da 4c 89 e7 e8 b4 17 [ 78.809812][ T6589] RSP: 0018:ffffc90002c7f658 EFLAGS: 00010293 [ 78.817311][ T6589] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.826665][ T6589] RDX: ffff8880184ab900 RSI: ffffffff87344fa4 RDI: 0000000000000003 [ 78.836064][ T6589] RBP: ffff888072b90800 R08: 0000000000000000 R09: 0000000000000000 [ 78.845804][ T6589] R10: ffffffff87344e9a R11: 0000000000000000 R12: ffff8880198c6000 [ 78.855718][ T6589] R13: 0000000000000000 R14: 000000000000002c R15: ffff8880198c6070 [ 78.865188][ T6589] FS: 0000555556c93400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 78.875932][ T6589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.884624][ T6589] CR2: 0000558bbcba43d0 CR3: 0000000067f66000 CR4: 00000000003506e0 [ 78.895459][ T6589] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.904669][ T6589] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.915192][ T6589] Call Trace: [ 78.918804][ T6589] devlink_region_create+0x39f/0x4c0 [ 78.924639][ T6589] nsim_dev_probe+0x5f6/0x1150 [ 78.929550][ T6589] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 78.936582][ T6589] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 78.943282][ T6589] ? kernfs_create_link+0x1b3/0x230 [ 78.948778][ T6589] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 78.955169][ T6589] ? kernfs_put+0x31/0x50 [ 78.959736][ T6589] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 78.966512][ T6589] ? sysfs_do_create_link_sd+0xbb/0x140 [ 78.972187][ T6589] ? sysfs_create_link+0x67/0xc0 [ 78.977166][ T6589] ? nsim_bus_remove+0x20/0x20 [ 78.982096][ T6589] really_probe+0x245/0xcc0 [ 78.986818][ T6589] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 78.993276][ T6589] __driver_probe_device+0x338/0x4d0 [ 78.999323][ T6589] driver_probe_device+0x4c/0x1a0 [ 79.004616][ T6589] __device_attach_driver+0x20b/0x2f0 [ 79.010717][ T6589] ? driver_allows_async_probing+0x150/0x150 [ 79.017993][ T6589] bus_for_each_drv+0x15f/0x1e0 [ 79.023076][ T6589] ? bus_for_each_dev+0x1d0/0x1d0 [ 79.028736][ T6589] ? rcu_read_lock_sched_held+0x3a/0x70 [ 79.035191][ T6589] __device_attach+0x228/0x4a0 [ 79.040083][ T6589] ? device_driver_attach+0x210/0x210 [ 79.046105][ T6589] ? kobject_uevent_env+0x2bb/0x1650 [ 79.051821][ T6589] bus_probe_device+0x1e4/0x290 [ 79.056770][ T6589] device_add+0xc35/0x21b0 [ 79.062211][ T6589] ? lockdep_init_map_type+0x2c3/0x7b0 [ 79.068186][ T6589] ? lockdep_init_map_type+0x2c3/0x7b0 [ 79.074833][ T6589] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 79.081743][ T6589] ? __raw_spin_lock_init+0x36/0x110 [ 79.087198][ T6589] new_device_store+0x48b/0x770 [ 79.093213][ T6589] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 79.099151][ T6589] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 79.105908][ T6589] ? sysfs_file_ops+0x1c0/0x1c0 [ 79.110926][ T6589] bus_attr_store+0x72/0xa0 [ 79.116663][ T6589] ? bus_attr_show+0x90/0x90 [ 79.121889][ T6589] sysfs_kf_write+0x110/0x160 [ 79.126618][ T6589] kernfs_fop_write_iter+0x342/0x500 [ 79.132685][ T6589] new_sync_write+0x429/0x660 [ 79.137591][ T6589] ? new_sync_read+0x6e0/0x6e0 [ 79.143108][ T6589] ? lock_release+0x720/0x720 [ 79.148035][ T6589] vfs_write+0x7cf/0xae0 [ 79.153138][ T6589] ksys_write+0x12d/0x250 [ 79.157733][ T6589] ? __ia32_sys_read+0xb0/0xb0 [ 79.163499][ T6589] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.169677][ T6589] do_syscall_64+0x35/0xb0 [ 79.174818][ T6589] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.181795][ T6589] RIP: 0033:0x7f727ae633ef [ 79.186268][ T6589] 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 [ 79.208730][ T6589] RSP: 002b:00007ffd74fc8b50 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 79.218483][ T6589] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f727ae633ef [ 79.227381][ T6589] RDX: 0000000000000003 RSI: 00007ffd74fc8ba0 RDI: 0000000000000004 [ 79.236033][ T6589] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffd74fc8af0 [ 79.245772][ T6589] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f727af0a971 [ 79.254612][ T6589] R13: 00007ffd74fc8ba0 R14: 0000000000000000 R15: 00007ffd74fc9270 [ 79.263239][ T6589] Kernel panic - not syncing: panic_on_warn set ... [ 79.270289][ T6589] CPU: 1 PID: 6589 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 79.279716][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.290806][ T6589] Call Trace: [ 79.294425][ T6589] dump_stack_lvl+0xcd/0x134 [ 79.300039][ T6589] panic+0x2b0/0x6dd [ 79.304826][ T6589] ? __warn_printk+0xf3/0xf3 [ 79.310666][ T6589] ? __warn.cold+0x1a/0x44 [ 79.316002][ T6589] ? devlink_nl_region_notify+0x184/0x1e0 [ 79.321942][ T6589] __warn.cold+0x35/0x44 [ 79.326434][ T6589] ? devlink_nl_region_notify+0x184/0x1e0 [ 79.332221][ T6589] report_bug+0x1bd/0x210 [ 79.336912][ T6589] handle_bug+0x3c/0x60 [ 79.341315][ T6589] exc_invalid_op+0x14/0x40 [ 79.346081][ T6589] asm_exc_invalid_op+0x12/0x20 [ 79.351341][ T6589] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 79.357696][ T6589] 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 f1 bb 41 fa e8 ec bb 41 fa <0f> 0b e9 f7 fe ff ff e8 e0 bb 41 fa 0f 0b eb da 4c 89 e7 e8 b4 17 [ 79.378084][ T6589] RSP: 0018:ffffc90002c7f658 EFLAGS: 00010293 [ 79.384250][ T6589] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.392678][ T6589] RDX: ffff8880184ab900 RSI: ffffffff87344fa4 RDI: 0000000000000003 [ 79.401062][ T6589] RBP: ffff888072b90800 R08: 0000000000000000 R09: 0000000000000000 [ 79.409344][ T6589] R10: ffffffff87344e9a R11: 0000000000000000 R12: ffff8880198c6000 [ 79.417760][ T6589] R13: 0000000000000000 R14: 000000000000002c R15: ffff8880198c6070 [ 79.426500][ T6589] ? devlink_nl_region_notify+0x7a/0x1e0 [ 79.432524][ T6589] ? devlink_nl_region_notify+0x184/0x1e0 executing program [ 79.438349][ T6589] ? devlink_nl_region_notify+0x184/0x1e0 [ 79.444619][ T6589] devlink_region_create+0x39f/0x4c0 [ 79.450280][ T6589] nsim_dev_probe+0x5f6/0x1150 [ 79.456265][ T6589] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 79.462021][ T6589] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.468855][ T6589] ? kernfs_create_link+0x1b3/0x230 [ 79.474369][ T6589] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 79.481317][ T6589] ? kernfs_put+0x31/0x50 [ 79.486168][ T6589] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 79.492567][ T6589] ? sysfs_do_create_link_sd+0xbb/0x140 [ 79.498165][ T6589] ? sysfs_create_link+0x67/0xc0 [ 79.503126][ T6589] ? nsim_bus_remove+0x20/0x20 [ 79.507894][ T6589] really_probe+0x245/0xcc0 [ 79.513385][ T6589] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 79.519755][ T6589] __driver_probe_device+0x338/0x4d0 [ 79.525258][ T6589] driver_probe_device+0x4c/0x1a0 [ 79.530670][ T6589] __device_attach_driver+0x20b/0x2f0 [ 79.536611][ T6589] ? driver_allows_async_probing+0x150/0x150 [ 79.542820][ T6589] bus_for_each_drv+0x15f/0x1e0 [ 79.547788][ T6589] ? bus_for_each_dev+0x1d0/0x1d0 [ 79.552999][ T6589] ? rcu_read_lock_sched_held+0x3a/0x70 [ 79.558760][ T6589] __device_attach+0x228/0x4a0 [ 79.563657][ T6589] ? device_driver_attach+0x210/0x210 [ 79.569406][ T6589] ? kobject_uevent_env+0x2bb/0x1650 [ 79.574947][ T6589] bus_probe_device+0x1e4/0x290 [ 79.580451][ T6589] device_add+0xc35/0x21b0 [ 79.584886][ T6589] ? lockdep_init_map_type+0x2c3/0x7b0 [ 79.590367][ T6589] ? lockdep_init_map_type+0x2c3/0x7b0 [ 79.596696][ T6589] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 79.603110][ T6589] ? __raw_spin_lock_init+0x36/0x110 [ 79.608586][ T6589] new_device_store+0x48b/0x770 [ 79.613979][ T6589] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 79.620231][ T6589] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 79.626637][ T6589] ? sysfs_file_ops+0x1c0/0x1c0 [ 79.632163][ T6589] bus_attr_store+0x72/0xa0 [ 79.636964][ T6589] ? bus_attr_show+0x90/0x90 [ 79.641689][ T6589] sysfs_kf_write+0x110/0x160 [ 79.646685][ T6589] kernfs_fop_write_iter+0x342/0x500 [ 79.652160][ T6589] new_sync_write+0x429/0x660 [ 79.657068][ T6589] ? new_sync_read+0x6e0/0x6e0 [ 79.661938][ T6589] ? lock_release+0x720/0x720 [ 79.666848][ T6589] vfs_write+0x7cf/0xae0 [ 79.671429][ T6589] ksys_write+0x12d/0x250 [ 79.675769][ T6589] ? __ia32_sys_read+0xb0/0xb0 [ 79.680630][ T6589] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.686724][ T6589] do_syscall_64+0x35/0xb0 [ 79.691495][ T6589] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.697616][ T6589] RIP: 0033:0x7f727ae633ef [ 79.702502][ T6589] 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 [ 79.722757][ T6589] RSP: 002b:00007ffd74fc8b50 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 79.731206][ T6589] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f727ae633ef [ 79.739180][ T6589] RDX: 0000000000000003 RSI: 00007ffd74fc8ba0 RDI: 0000000000000004 [ 79.748035][ T6589] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffd74fc8af0 [ 79.756288][ T6589] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f727af0a971 [ 79.764533][ T6589] R13: 00007ffd74fc8ba0 R14: 0000000000000000 R15: 00007ffd74fc9270 [ 79.775006][ T6589] Kernel Offset: disabled [ 79.779576][ T6589] Rebooting in 86400 seconds..