Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts. 2021/09/28 14:45:08 fuzzer started 2021/09/28 14:45:08 connecting to host at 10.128.0.169:42009 2021/09/28 14:45:08 checking machine... 2021/09/28 14:45:08 checking revisions... 2021/09/28 14:45:08 testing simple program... syzkaller login: [ 76.167032][ T6565] chnl_net:caif_netlink_parms(): no params data found [ 76.244118][ T6565] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.252825][ T6565] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.261589][ T6565] device bridge_slave_0 entered promiscuous mode [ 76.272583][ T6565] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.280274][ T6565] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.289185][ T6565] device bridge_slave_1 entered promiscuous mode [ 76.321923][ T6565] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.333169][ T6565] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.366987][ T6565] team0: Port device team_slave_0 added [ 76.375292][ T6565] team0: Port device team_slave_1 added [ 76.404470][ T6565] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.411971][ T6565] 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. [ 76.438384][ T6565] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.451839][ T6565] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.459405][ T6565] 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. [ 76.486127][ T6565] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.526951][ T6565] device hsr_slave_0 entered promiscuous mode [ 76.533819][ T6565] device hsr_slave_1 entered promiscuous mode [ 76.624927][ T6565] ------------[ cut here ]------------ [ 76.632727][ T6565] WARNING: CPU: 0 PID: 6565 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 76.644174][ T6565] Modules linked in: [ 76.648804][ T6565] CPU: 1 PID: 6565 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 76.657968][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.668630][ T6565] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 76.675023][ T6565] 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 [ 76.696712][ T6565] RSP: 0018:ffffc900024df658 EFLAGS: 00010293 [ 76.703198][ T6565] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 76.712057][ T6565] RDX: ffff888023d99c80 RSI: ffffffff87344fa4 RDI: 0000000000000003 [ 76.720334][ T6565] RBP: ffff88801df17400 R08: 0000000000000000 R09: 0000000000000000 [ 76.728575][ T6565] R10: ffffffff87344e9a R11: 0000000000000000 R12: ffff8880771d1000 [ 76.736772][ T6565] R13: 0000000000000000 R14: 000000000000002c R15: ffff8880771d1070 [ 76.745119][ T6565] FS: 000055555654e400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 76.754146][ T6565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.760819][ T6565] CR2: 00007f5e04ff3740 CR3: 0000000067a19000 CR4: 00000000003506e0 [ 76.769259][ T6565] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.777683][ T6565] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.786241][ T6565] Call Trace: [ 76.789699][ T6565] devlink_region_create+0x39f/0x4c0 [ 76.795044][ T6565] nsim_dev_probe+0x5f6/0x1150 [ 76.800077][ T6565] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 76.805860][ T6565] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.812367][ T6565] ? kernfs_create_link+0x1b3/0x230 [ 76.817666][ T6565] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 76.824729][ T6565] ? kernfs_put+0x31/0x50 [ 76.829249][ T6565] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.835715][ T6565] ? sysfs_do_create_link_sd+0xbb/0x140 [ 76.841616][ T6565] ? sysfs_create_link+0x67/0xc0 [ 76.846783][ T6565] ? nsim_bus_remove+0x20/0x20 [ 76.851933][ T6565] really_probe+0x245/0xcc0 [ 76.856462][ T6565] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 76.863450][ T6565] __driver_probe_device+0x338/0x4d0 [ 76.868992][ T6565] driver_probe_device+0x4c/0x1a0 [ 76.874169][ T6565] __device_attach_driver+0x20b/0x2f0 [ 76.879890][ T6565] ? driver_allows_async_probing+0x150/0x150 [ 76.886066][ T6565] bus_for_each_drv+0x15f/0x1e0 [ 76.891616][ T6565] ? bus_for_each_dev+0x1d0/0x1d0 [ 76.897035][ T6565] ? rcu_read_lock_sched_held+0x3a/0x70 [ 76.903020][ T6565] __device_attach+0x228/0x4a0 [ 76.908037][ T6565] ? device_driver_attach+0x210/0x210 [ 76.913674][ T6565] ? kobject_uevent_env+0x2bb/0x1650 [ 76.919053][ T6565] bus_probe_device+0x1e4/0x290 [ 76.924032][ T6565] device_add+0xc35/0x21b0 [ 76.928568][ T6565] ? lockdep_init_map_type+0x2c3/0x7b0 [ 76.934060][ T6565] ? lockdep_init_map_type+0x2c3/0x7b0 [ 76.940029][ T6565] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 76.946534][ T6565] ? __raw_spin_lock_init+0x36/0x110 [ 76.952192][ T6565] new_device_store+0x48b/0x770 [ 76.957550][ T6565] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 76.963769][ T6565] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 76.969748][ T6565] ? sysfs_file_ops+0x1c0/0x1c0 [ 76.974632][ T6565] bus_attr_store+0x72/0xa0 [ 76.979386][ T6565] ? bus_attr_show+0x90/0x90 [ 76.984174][ T6565] sysfs_kf_write+0x110/0x160 [ 76.988983][ T6565] kernfs_fop_write_iter+0x342/0x500 [ 76.994348][ T6565] new_sync_write+0x429/0x660 [ 76.999117][ T6565] ? new_sync_read+0x6e0/0x6e0 [ 77.004040][ T6565] ? lock_release+0x720/0x720 [ 77.008890][ T6565] vfs_write+0x7cf/0xae0 [ 77.013398][ T6565] ksys_write+0x12d/0x250 [ 77.017901][ T6565] ? __ia32_sys_read+0xb0/0xb0 [ 77.023045][ T6565] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.029811][ T6565] do_syscall_64+0x35/0xb0 [ 77.034650][ T6565] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.040981][ T6565] RIP: 0033:0x7f18ccd773ef [ 77.045447][ T6565] 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 [ 77.066229][ T6565] RSP: 002b:00007ffce3102840 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 77.074901][ T6565] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f18ccd773ef [ 77.083151][ T6565] RDX: 0000000000000003 RSI: 00007ffce3102890 RDI: 0000000000000004 [ 77.091520][ T6565] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffce31027e0 [ 77.099703][ T6565] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f18cce1e971 [ 77.107884][ T6565] R13: 00007ffce3102890 R14: 0000000000000000 R15: 00007ffce3102f60 [ 77.115999][ T6565] Kernel panic - not syncing: panic_on_warn set ... [ 77.122683][ T6565] CPU: 1 PID: 6565 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 77.131477][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.142688][ T6565] Call Trace: [ 77.145975][ T6565] dump_stack_lvl+0xcd/0x134 [ 77.150669][ T6565] panic+0x2b0/0x6dd [ 77.154564][ T6565] ? __warn_printk+0xf3/0xf3 [ 77.159190][ T6565] ? __warn.cold+0x1a/0x44 [ 77.163618][ T6565] ? devlink_nl_region_notify+0x184/0x1e0 [ 77.169438][ T6565] __warn.cold+0x35/0x44 [ 77.173698][ T6565] ? devlink_nl_region_notify+0x184/0x1e0 [ 77.179538][ T6565] report_bug+0x1bd/0x210 [ 77.183994][ T6565] handle_bug+0x3c/0x60 [ 77.188316][ T6565] exc_invalid_op+0x14/0x40 [ 77.192934][ T6565] asm_exc_invalid_op+0x12/0x20 [ 77.197886][ T6565] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 77.204306][ T6565] 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 [ 77.223930][ T6565] RSP: 0018:ffffc900024df658 EFLAGS: 00010293 [ 77.230256][ T6565] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.238219][ T6565] RDX: ffff888023d99c80 RSI: ffffffff87344fa4 RDI: 0000000000000003 [ 77.246291][ T6565] RBP: ffff88801df17400 R08: 0000000000000000 R09: 0000000000000000 [ 77.254452][ T6565] R10: ffffffff87344e9a R11: 0000000000000000 R12: ffff8880771d1000 [ 77.263391][ T6565] R13: 0000000000000000 R14: 000000000000002c R15: ffff8880771d1070 [ 77.271372][ T6565] ? devlink_nl_region_notify+0x7a/0x1e0 [ 77.277107][ T6565] ? devlink_nl_region_notify+0x184/0x1e0 [ 77.282839][ T6565] ? devlink_nl_region_notify+0x184/0x1e0 [ 77.288833][ T6565] devlink_region_create+0x39f/0x4c0 [ 77.294140][ T6565] nsim_dev_probe+0x5f6/0x1150 [ 77.299171][ T6565] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 77.305098][ T6565] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.311342][ T6565] ? kernfs_create_link+0x1b3/0x230 [ 77.316777][ T6565] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 77.323204][ T6565] ? kernfs_put+0x31/0x50 [ 77.327691][ T6565] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.334109][ T6565] ? sysfs_do_create_link_sd+0xbb/0x140 [ 77.339950][ T6565] ? sysfs_create_link+0x67/0xc0 [ 77.344966][ T6565] ? nsim_bus_remove+0x20/0x20 [ 77.349741][ T6565] really_probe+0x245/0xcc0 [ 77.354248][ T6565] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 77.361026][ T6565] __driver_probe_device+0x338/0x4d0 [ 77.366431][ T6565] driver_probe_device+0x4c/0x1a0 [ 77.371464][ T6565] __device_attach_driver+0x20b/0x2f0 [ 77.377032][ T6565] ? driver_allows_async_probing+0x150/0x150 [ 77.383078][ T6565] bus_for_each_drv+0x15f/0x1e0 [ 77.388126][ T6565] ? bus_for_each_dev+0x1d0/0x1d0 [ 77.393156][ T6565] ? rcu_read_lock_sched_held+0x3a/0x70 [ 77.398713][ T6565] __device_attach+0x228/0x4a0 [ 77.403491][ T6565] ? device_driver_attach+0x210/0x210 [ 77.408866][ T6565] ? kobject_uevent_env+0x2bb/0x1650 [ 77.414507][ T6565] bus_probe_device+0x1e4/0x290 [ 77.419902][ T6565] device_add+0xc35/0x21b0 [ 77.424674][ T6565] ? lockdep_init_map_type+0x2c3/0x7b0 [ 77.430142][ T6565] ? lockdep_init_map_type+0x2c3/0x7b0 [ 77.435600][ T6565] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 77.441858][ T6565] ? __raw_spin_lock_init+0x36/0x110 [ 77.447155][ T6565] new_device_store+0x48b/0x770 [ 77.452104][ T6565] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 77.457928][ T6565] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 77.464259][ T6565] ? sysfs_file_ops+0x1c0/0x1c0 [ 77.469121][ T6565] bus_attr_store+0x72/0xa0 [ 77.473622][ T6565] ? bus_attr_show+0x90/0x90 [ 77.478210][ T6565] sysfs_kf_write+0x110/0x160 [ 77.483102][ T6565] kernfs_fop_write_iter+0x342/0x500 [ 77.488680][ T6565] new_sync_write+0x429/0x660 [ 77.493459][ T6565] ? new_sync_read+0x6e0/0x6e0 [ 77.498246][ T6565] ? lock_release+0x720/0x720 [ 77.502950][ T6565] vfs_write+0x7cf/0xae0 [ 77.507331][ T6565] ksys_write+0x12d/0x250 [ 77.512086][ T6565] ? __ia32_sys_read+0xb0/0xb0 [ 77.517340][ T6565] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.524125][ T6565] do_syscall_64+0x35/0xb0 [ 77.528554][ T6565] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.534450][ T6565] RIP: 0033:0x7f18ccd773ef [ 77.538954][ T6565] 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 [ 77.559126][ T6565] RSP: 002b:00007ffce3102840 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 77.567642][ T6565] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f18ccd773ef [ 77.575620][ T6565] RDX: 0000000000000003 RSI: 00007ffce3102890 RDI: 0000000000000004 [ 77.583655][ T6565] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffce31027e0 [ 77.591838][ T6565] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f18cce1e971 [ 77.599806][ T6565] R13: 00007ffce3102890 R14: 0000000000000000 R15: 00007ffce3102f60 [ 77.608688][ T6565] Kernel Offset: disabled [ 77.615579][ T6565] Rebooting in 86400 seconds..