Warning: Permanently added '10.128.1.27' (ECDSA) to the list of known hosts. 2021/09/29 13:36:53 fuzzer started 2021/09/29 13:36:54 connecting to host at 10.128.0.169:38657 2021/09/29 13:36:54 checking machine... 2021/09/29 13:36:54 checking revisions... 2021/09/29 13:36:54 testing simple program... syzkaller login: [ 71.621740][ T6550] chnl_net:caif_netlink_parms(): no params data found [ 71.698084][ T6550] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.707941][ T6550] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.716756][ T6550] device bridge_slave_0 entered promiscuous mode [ 71.727904][ T6550] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.736402][ T6550] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.744398][ T6550] device bridge_slave_1 entered promiscuous mode [ 71.783419][ T6550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.795765][ T6550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.832652][ T6550] team0: Port device team_slave_0 added [ 71.840700][ T6550] team0: Port device team_slave_1 added [ 71.870480][ T6550] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.877849][ T6550] 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. [ 71.905606][ T6550] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.919104][ T6550] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.927612][ T6550] 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. [ 71.955176][ T6550] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.992117][ T6550] device hsr_slave_0 entered promiscuous mode [ 71.999629][ T6550] device hsr_slave_1 entered promiscuous mode [ 72.087315][ T6550] ------------[ cut here ]------------ [ 72.093224][ T6550] WARNING: CPU: 0 PID: 6550 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 72.106088][ T6550] Modules linked in: [ 72.111106][ T6550] CPU: 0 PID: 6550 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 72.120719][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.131248][ T6550] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 72.138536][ T6550] 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 [ 72.159755][ T6550] RSP: 0018:ffffc90002c6f658 EFLAGS: 00010293 [ 72.166032][ T6550] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.174211][ T6550] RDX: ffff888021d99c80 RSI: ffffffff87344fa4 RDI: 0000000000000003 [ 72.182464][ T6550] RBP: ffff88801e109a80 R08: 0000000000000000 R09: 0000000000000000 [ 72.190964][ T6550] R10: ffffffff87344e9a R11: 0000000000000000 R12: ffff888017da9000 [ 72.199062][ T6550] R13: 0000000000000000 R14: 000000000000002c R15: ffff888017da9070 [ 72.207325][ T6550] FS: 000055555701c400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.216690][ T6550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.223688][ T6550] CR2: 00005600afc85b58 CR3: 0000000069b95000 CR4: 00000000003506e0 [ 72.232115][ T6550] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.240651][ T6550] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.248865][ T6550] Call Trace: [ 72.252228][ T6550] devlink_region_create+0x39f/0x4c0 [ 72.258471][ T6550] nsim_dev_probe+0x5f6/0x1150 [ 72.263390][ T6550] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.269151][ T6550] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.276040][ T6550] ? kernfs_create_link+0x1b3/0x230 [ 72.281261][ T6550] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.287574][ T6550] ? kernfs_put+0x31/0x50 [ 72.292038][ T6550] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.298498][ T6550] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.304069][ T6550] ? sysfs_create_link+0x67/0xc0 [ 72.309249][ T6550] ? nsim_bus_remove+0x20/0x20 [ 72.314041][ T6550] really_probe+0x245/0xcc0 [ 72.318913][ T6550] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.325676][ T6550] __driver_probe_device+0x338/0x4d0 [ 72.330991][ T6550] driver_probe_device+0x4c/0x1a0 [ 72.336152][ T6550] __device_attach_driver+0x20b/0x2f0 [ 72.341897][ T6550] ? driver_allows_async_probing+0x150/0x150 [ 72.347999][ T6550] bus_for_each_drv+0x15f/0x1e0 [ 72.352896][ T6550] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.358122][ T6550] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.363824][ T6550] __device_attach+0x228/0x4a0 [ 72.368700][ T6550] ? device_driver_attach+0x210/0x210 [ 72.374191][ T6550] ? kobject_uevent_env+0x2bb/0x1650 [ 72.379770][ T6550] bus_probe_device+0x1e4/0x290 [ 72.384939][ T6550] device_add+0xc35/0x21b0 [ 72.389407][ T6550] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.395378][ T6550] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.400865][ T6550] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.407213][ T6550] ? __raw_spin_lock_init+0x36/0x110 [ 72.412518][ T6550] new_device_store+0x48b/0x770 [ 72.417471][ T6550] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.423310][ T6550] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.429205][ T6550] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.434159][ T6550] bus_attr_store+0x72/0xa0 [ 72.438797][ T6550] ? bus_attr_show+0x90/0x90 [ 72.443407][ T6550] sysfs_kf_write+0x110/0x160 [ 72.448269][ T6550] kernfs_fop_write_iter+0x342/0x500 [ 72.453772][ T6550] new_sync_write+0x429/0x660 [ 72.458817][ T6550] ? new_sync_read+0x6e0/0x6e0 [ 72.463711][ T6550] ? lock_release+0x720/0x720 [ 72.468734][ T6550] vfs_write+0x7cf/0xae0 [ 72.473031][ T6550] ksys_write+0x12d/0x250 [ 72.477657][ T6550] ? __ia32_sys_read+0xb0/0xb0 [ 72.482460][ T6550] ? syscall_enter_from_user_mode+0x21/0x70 [ 72.488919][ T6550] do_syscall_64+0x35/0xb0 [ 72.493450][ T6550] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.499452][ T6550] RIP: 0033:0x7ff6afabf3ef [ 72.503882][ T6550] 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 [ 72.524452][ T6550] RSP: 002b:00007ffe288ff6f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 72.533112][ T6550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff6afabf3ef [ 72.541420][ T6550] RDX: 0000000000000003 RSI: 00007ffe288ff740 RDI: 0000000000000004 [ 72.549582][ T6550] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffe288ff690 [ 72.558003][ T6550] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff6afb66971 [ 72.566276][ T6550] R13: 00007ffe288ff740 R14: 0000000000000000 R15: 00007ffe288ffe10 [ 72.574378][ T6550] Kernel panic - not syncing: panic_on_warn set ... [ 72.581085][ T6550] CPU: 1 PID: 6550 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 72.590261][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.601012][ T6550] Call Trace: [ 72.604417][ T6550] dump_stack_lvl+0xcd/0x134 [ 72.609099][ T6550] panic+0x2b0/0x6dd [ 72.613257][ T6550] ? __warn_printk+0xf3/0xf3 [ 72.617882][ T6550] ? __warn.cold+0x1a/0x44 [ 72.622388][ T6550] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.628218][ T6550] __warn.cold+0x35/0x44 [ 72.632580][ T6550] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.638386][ T6550] report_bug+0x1bd/0x210 [ 72.642717][ T6550] handle_bug+0x3c/0x60 [ 72.646867][ T6550] exc_invalid_op+0x14/0x40 [ 72.651363][ T6550] asm_exc_invalid_op+0x12/0x20 [ 72.656561][ T6550] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 72.662886][ T6550] 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 [ 72.682566][ T6550] RSP: 0018:ffffc90002c6f658 EFLAGS: 00010293 [ 72.688759][ T6550] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.696803][ T6550] RDX: ffff888021d99c80 RSI: ffffffff87344fa4 RDI: 0000000000000003 [ 72.704851][ T6550] RBP: ffff88801e109a80 R08: 0000000000000000 R09: 0000000000000000 [ 72.713070][ T6550] R10: ffffffff87344e9a R11: 0000000000000000 R12: ffff888017da9000 [ 72.721028][ T6550] R13: 0000000000000000 R14: 000000000000002c R15: ffff888017da9070 [ 72.729167][ T6550] ? devlink_nl_region_notify+0x7a/0x1e0 [ 72.734808][ T6550] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.740692][ T6550] ? devlink_nl_region_notify+0x184/0x1e0 [ 72.746419][ T6550] devlink_region_create+0x39f/0x4c0 [ 72.751811][ T6550] nsim_dev_probe+0x5f6/0x1150 [ 72.756580][ T6550] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 72.762302][ T6550] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.768532][ T6550] ? kernfs_create_link+0x1b3/0x230 [ 72.773720][ T6550] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.780036][ T6550] ? kernfs_put+0x31/0x50 [ 72.784351][ T6550] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.790667][ T6550] ? sysfs_do_create_link_sd+0xbb/0x140 [ 72.796214][ T6550] ? sysfs_create_link+0x67/0xc0 [ 72.801365][ T6550] ? nsim_bus_remove+0x20/0x20 [ 72.806312][ T6550] really_probe+0x245/0xcc0 [ 72.810882][ T6550] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.817130][ T6550] __driver_probe_device+0x338/0x4d0 [ 72.822700][ T6550] driver_probe_device+0x4c/0x1a0 [ 72.827732][ T6550] __device_attach_driver+0x20b/0x2f0 [ 72.833156][ T6550] ? driver_allows_async_probing+0x150/0x150 executing program [ 72.839321][ T6550] bus_for_each_drv+0x15f/0x1e0 [ 72.844200][ T6550] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.849465][ T6550] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.855359][ T6550] __device_attach+0x228/0x4a0 [ 72.860199][ T6550] ? device_driver_attach+0x210/0x210 [ 72.865694][ T6550] ? kobject_uevent_env+0x2bb/0x1650 [ 72.871083][ T6550] bus_probe_device+0x1e4/0x290 [ 72.875981][ T6550] device_add+0xc35/0x21b0 [ 72.880670][ T6550] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.886567][ T6550] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.892248][ T6550] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.898723][ T6550] ? __raw_spin_lock_init+0x36/0x110 [ 72.904193][ T6550] new_device_store+0x48b/0x770 [ 72.909053][ T6550] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.914979][ T6550] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.920988][ T6550] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.925848][ T6550] bus_attr_store+0x72/0xa0 [ 72.930355][ T6550] ? bus_attr_show+0x90/0x90 [ 72.935125][ T6550] sysfs_kf_write+0x110/0x160 [ 72.939889][ T6550] kernfs_fop_write_iter+0x342/0x500 [ 72.945186][ T6550] new_sync_write+0x429/0x660 [ 72.949872][ T6550] ? new_sync_read+0x6e0/0x6e0 [ 72.954649][ T6550] ? lock_release+0x720/0x720 [ 72.959447][ T6550] vfs_write+0x7cf/0xae0 [ 72.963701][ T6550] ksys_write+0x12d/0x250 [ 72.968064][ T6550] ? __ia32_sys_read+0xb0/0xb0 [ 72.973012][ T6550] ? syscall_enter_from_user_mode+0x21/0x70 [ 72.979165][ T6550] do_syscall_64+0x35/0xb0 [ 72.983754][ T6550] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.989837][ T6550] RIP: 0033:0x7ff6afabf3ef [ 72.994436][ T6550] 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 [ 73.015160][ T6550] RSP: 002b:00007ffe288ff6f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 73.023855][ T6550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff6afabf3ef [ 73.032052][ T6550] RDX: 0000000000000003 RSI: 00007ffe288ff740 RDI: 0000000000000004 [ 73.041550][ T6550] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffe288ff690 [ 73.049528][ T6550] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff6afb66971 [ 73.058077][ T6550] R13: 00007ffe288ff740 R14: 0000000000000000 R15: 00007ffe288ffe10 [ 73.067097][ T6550] Kernel Offset: disabled [ 73.074149][ T6550] Rebooting in 86400 seconds..