Warning: Permanently added '10.128.0.228' (ECDSA) to the list of known hosts. 2021/09/29 14:07:58 fuzzer started 2021/09/29 14:07:58 connecting to host at 10.128.0.169:33243 2021/09/29 14:07:58 checking machine... 2021/09/29 14:07:58 checking revisions... 2021/09/29 14:07:58 testing simple program... syzkaller login: [ 70.452613][ T6534] chnl_net:caif_netlink_parms(): no params data found [ 70.527052][ T6534] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.535016][ T6534] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.544415][ T6534] device bridge_slave_0 entered promiscuous mode [ 70.554556][ T6534] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.565327][ T6534] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.574113][ T6534] device bridge_slave_1 entered promiscuous mode [ 70.605052][ T6534] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.616561][ T6534] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.650844][ T6534] team0: Port device team_slave_0 added [ 70.658763][ T6534] team0: Port device team_slave_1 added [ 70.685786][ T6534] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.692990][ T6534] 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. [ 70.722290][ T6534] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.736713][ T6534] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.743932][ T6534] 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. [ 70.771833][ T6534] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.810262][ T6534] device hsr_slave_0 entered promiscuous mode [ 70.818610][ T6534] device hsr_slave_1 entered promiscuous mode [ 70.903220][ T6534] ------------[ cut here ]------------ [ 70.910007][ T6534] WARNING: CPU: 1 PID: 6534 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 70.922398][ T6534] Modules linked in: [ 70.927618][ T6534] CPU: 1 PID: 6534 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 70.937861][ T6534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.949705][ T6534] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 70.956367][ T6534] 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 bb 41 fa e8 fc ba 41 fa <0f> 0b e9 f7 fe ff ff e8 f0 ba 41 fa 0f 0b eb da 4c 89 e7 e8 c4 16 [ 70.977603][ T6534] RSP: 0018:ffffc90002b8f658 EFLAGS: 00010293 [ 70.983699][ T6534] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.991941][ T6534] RDX: ffff88807872b900 RSI: ffffffff87345094 RDI: 0000000000000003 [ 71.000022][ T6534] RBP: ffff888073785e00 R08: 0000000000000000 R09: 0000000000000000 [ 71.008101][ T6534] R10: ffffffff87344f8a R11: 0000000000000000 R12: ffff888025299000 [ 71.016384][ T6534] R13: 0000000000000000 R14: 000000000000002c R15: ffff888025299070 [ 71.016427][ T6534] FS: 00005555561e0400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.016454][ T6534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.016475][ T6534] CR2: 00007f286d3ee000 CR3: 000000006885e000 CR4: 00000000003506e0 [ 71.016492][ T6534] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.016507][ T6534] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.066749][ T6534] Call Trace: [ 71.070040][ T6534] devlink_region_create+0x39f/0x4c0 [ 71.075425][ T6534] nsim_dev_probe+0x5f6/0x1150 [ 71.080364][ T6534] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 71.086578][ T6534] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.092932][ T6534] ? kernfs_create_link+0x1b3/0x230 [ 71.098237][ T6534] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.104511][ T6534] ? kernfs_put+0x31/0x50 [ 71.108926][ T6534] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.115375][ T6534] ? sysfs_do_create_link_sd+0xbb/0x140 [ 71.121061][ T6534] ? sysfs_create_link+0x67/0xc0 [ 71.126193][ T6534] ? nsim_bus_remove+0x20/0x20 [ 71.130998][ T6534] really_probe+0x245/0xcc0 [ 71.135518][ T6534] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.141890][ T6534] __driver_probe_device+0x338/0x4d0 [ 71.147543][ T6534] driver_probe_device+0x4c/0x1a0 [ 71.152607][ T6534] __device_attach_driver+0x20b/0x2f0 [ 71.158569][ T6534] ? driver_allows_async_probing+0x150/0x150 [ 71.164596][ T6534] bus_for_each_drv+0x15f/0x1e0 [ 71.169553][ T6534] ? bus_for_each_dev+0x1d0/0x1d0 [ 71.174727][ T6534] ? rcu_read_lock_sched_held+0x3a/0x70 [ 71.180423][ T6534] __device_attach+0x228/0x4a0 [ 71.185212][ T6534] ? device_driver_attach+0x210/0x210 [ 71.190682][ T6534] ? kobject_uevent_env+0x2bb/0x1650 [ 71.196220][ T6534] bus_probe_device+0x1e4/0x290 [ 71.201183][ T6534] device_add+0xc35/0x21b0 [ 71.205706][ T6534] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.214165][ T6534] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.219873][ T6534] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 71.226569][ T6534] ? __raw_spin_lock_init+0x36/0x110 [ 71.231904][ T6534] new_device_store+0x48b/0x770 [ 71.237131][ T6534] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.242980][ T6534] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.248979][ T6534] ? sysfs_file_ops+0x1c0/0x1c0 [ 71.254028][ T6534] bus_attr_store+0x72/0xa0 [ 71.258738][ T6534] ? bus_attr_show+0x90/0x90 [ 71.263462][ T6534] sysfs_kf_write+0x110/0x160 [ 71.268356][ T6534] kernfs_fop_write_iter+0x342/0x500 [ 71.273671][ T6534] new_sync_write+0x429/0x660 [ 71.278469][ T6534] ? new_sync_read+0x6e0/0x6e0 [ 71.283533][ T6534] ? lock_release+0x720/0x720 [ 71.288528][ T6534] vfs_write+0x7cf/0xae0 [ 71.293178][ T6534] ksys_write+0x12d/0x250 [ 71.297671][ T6534] ? __ia32_sys_read+0xb0/0xb0 [ 71.302504][ T6534] ? syscall_enter_from_user_mode+0x21/0x70 [ 71.308814][ T6534] do_syscall_64+0x35/0xb0 [ 71.313390][ T6534] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.319524][ T6534] RIP: 0033:0x7f2677dce3ef [ 71.324030][ T6534] 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 [ 71.343855][ T6534] RSP: 002b:00007ffe549b8fe0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 71.352566][ T6534] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2677dce3ef [ 71.360896][ T6534] RDX: 0000000000000003 RSI: 00007ffe549b9030 RDI: 0000000000000004 [ 71.369042][ T6534] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffe549b8f80 [ 71.377254][ T6534] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2677e75971 [ 71.385243][ T6534] R13: 00007ffe549b9030 R14: 0000000000000000 R15: 00007ffe549b9700 [ 71.393593][ T6534] Kernel panic - not syncing: panic_on_warn set ... [ 71.400278][ T6534] CPU: 1 PID: 6534 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 71.408951][ T6534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.419304][ T6534] Call Trace: [ 71.422667][ T6534] dump_stack_lvl+0xcd/0x134 [ 71.427337][ T6534] panic+0x2b0/0x6dd [ 71.431229][ T6534] ? __warn_printk+0xf3/0xf3 [ 71.435988][ T6534] ? __warn.cold+0x1a/0x44 [ 71.440497][ T6534] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.446484][ T6534] __warn.cold+0x35/0x44 [ 71.450736][ T6534] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.456542][ T6534] report_bug+0x1bd/0x210 [ 71.461100][ T6534] handle_bug+0x3c/0x60 [ 71.465459][ T6534] exc_invalid_op+0x14/0x40 [ 71.469962][ T6534] asm_exc_invalid_op+0x12/0x20 [ 71.475036][ T6534] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 71.481486][ T6534] 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 bb 41 fa e8 fc ba 41 fa <0f> 0b e9 f7 fe ff ff e8 f0 ba 41 fa 0f 0b eb da 4c 89 e7 e8 c4 16 [ 71.501358][ T6534] RSP: 0018:ffffc90002b8f658 EFLAGS: 00010293 [ 71.507431][ T6534] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.515418][ T6534] RDX: ffff88807872b900 RSI: ffffffff87345094 RDI: 0000000000000003 [ 71.523500][ T6534] RBP: ffff888073785e00 R08: 0000000000000000 R09: 0000000000000000 [ 71.531562][ T6534] R10: ffffffff87344f8a R11: 0000000000000000 R12: ffff888025299000 [ 71.539699][ T6534] R13: 0000000000000000 R14: 000000000000002c R15: ffff888025299070 [ 71.548033][ T6534] ? devlink_nl_region_notify+0x7a/0x1e0 executing program [ 71.553853][ T6534] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.559718][ T6534] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.566146][ T6534] devlink_region_create+0x39f/0x4c0 [ 71.571629][ T6534] nsim_dev_probe+0x5f6/0x1150 [ 71.576671][ T6534] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 71.582446][ T6534] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.588934][ T6534] ? kernfs_create_link+0x1b3/0x230 [ 71.594759][ T6534] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.601025][ T6534] ? kernfs_put+0x31/0x50 [ 71.605365][ T6534] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.611889][ T6534] ? sysfs_do_create_link_sd+0xbb/0x140 [ 71.617452][ T6534] ? sysfs_create_link+0x67/0xc0 [ 71.622389][ T6534] ? nsim_bus_remove+0x20/0x20 [ 71.627322][ T6534] really_probe+0x245/0xcc0 [ 71.631925][ T6534] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.638246][ T6534] __driver_probe_device+0x338/0x4d0 [ 71.643528][ T6534] driver_probe_device+0x4c/0x1a0 [ 71.648763][ T6534] __device_attach_driver+0x20b/0x2f0 [ 71.654130][ T6534] ? driver_allows_async_probing+0x150/0x150 [ 71.660102][ T6534] bus_for_each_drv+0x15f/0x1e0 [ 71.665045][ T6534] ? bus_for_each_dev+0x1d0/0x1d0 [ 71.670072][ T6534] ? rcu_read_lock_sched_held+0x3a/0x70 [ 71.675890][ T6534] __device_attach+0x228/0x4a0 [ 71.680878][ T6534] ? device_driver_attach+0x210/0x210 [ 71.686263][ T6534] ? kobject_uevent_env+0x2bb/0x1650 [ 71.692106][ T6534] bus_probe_device+0x1e4/0x290 [ 71.697060][ T6534] device_add+0xc35/0x21b0 [ 71.701483][ T6534] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.707106][ T6534] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.712651][ T6534] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 71.718993][ T6534] ? __raw_spin_lock_init+0x36/0x110 [ 71.724273][ T6534] new_device_store+0x48b/0x770 [ 71.729289][ T6534] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.735102][ T6534] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.740898][ T6534] ? sysfs_file_ops+0x1c0/0x1c0 [ 71.745913][ T6534] bus_attr_store+0x72/0xa0 [ 71.750405][ T6534] ? bus_attr_show+0x90/0x90 [ 71.755084][ T6534] sysfs_kf_write+0x110/0x160 [ 71.759752][ T6534] kernfs_fop_write_iter+0x342/0x500 [ 71.765031][ T6534] new_sync_write+0x429/0x660 [ 71.769786][ T6534] ? new_sync_read+0x6e0/0x6e0 [ 71.774544][ T6534] ? lock_release+0x720/0x720 [ 71.779398][ T6534] vfs_write+0x7cf/0xae0 [ 71.783633][ T6534] ksys_write+0x12d/0x250 [ 71.788039][ T6534] ? __ia32_sys_read+0xb0/0xb0 [ 71.792796][ T6534] ? syscall_enter_from_user_mode+0x21/0x70 [ 71.798770][ T6534] do_syscall_64+0x35/0xb0 [ 71.803188][ T6534] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.809092][ T6534] RIP: 0033:0x7f2677dce3ef [ 71.813509][ T6534] 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 [ 71.833103][ T6534] RSP: 002b:00007ffe549b8fe0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 71.841678][ T6534] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2677dce3ef [ 71.849722][ T6534] RDX: 0000000000000003 RSI: 00007ffe549b9030 RDI: 0000000000000004 [ 71.857692][ T6534] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffe549b8f80 [ 71.865735][ T6534] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2677e75971 [ 71.873718][ T6534] R13: 00007ffe549b9030 R14: 0000000000000000 R15: 00007ffe549b9700 [ 71.882118][ T6534] Kernel Offset: disabled [ 71.886539][ T6534] Rebooting in 86400 seconds..