Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. 2021/09/29 14:07:55 fuzzer started 2021/09/29 14:07:55 connecting to host at 10.128.0.169:34225 2021/09/29 14:07:55 checking machine... 2021/09/29 14:07:55 checking revisions... 2021/09/29 14:07:55 testing simple program... syzkaller login: [ 70.165239][ T6560] chnl_net:caif_netlink_parms(): no params data found [ 70.267658][ T6560] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.275672][ T6560] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.283516][ T6560] device bridge_slave_0 entered promiscuous mode [ 70.293508][ T6560] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.300983][ T6560] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.309726][ T6560] device bridge_slave_1 entered promiscuous mode [ 70.344008][ T6560] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.357744][ T6560] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.394119][ T6560] team0: Port device team_slave_0 added [ 70.402520][ T6560] team0: Port device team_slave_1 added [ 70.433705][ T6560] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.441185][ T6560] 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. [ 70.467301][ T6560] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.481136][ T6560] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.488367][ T6560] 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. [ 70.514409][ T6560] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.552080][ T6560] device hsr_slave_0 entered promiscuous mode [ 70.559820][ T6560] device hsr_slave_1 entered promiscuous mode [ 70.641540][ T6560] ------------[ cut here ]------------ [ 70.647463][ T6560] WARNING: CPU: 0 PID: 6560 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 70.658915][ T6560] Modules linked in: [ 70.662839][ T6560] CPU: 0 PID: 6560 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 70.672213][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.682751][ T6560] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 70.691317][ T6560] 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 [ 70.713545][ T6560] RSP: 0018:ffffc90002d2f658 EFLAGS: 00010293 [ 70.720260][ T6560] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.729003][ T6560] RDX: ffff888024810000 RSI: ffffffff87345094 RDI: 0000000000000003 [ 70.737539][ T6560] RBP: ffff88801215a600 R08: 0000000000000000 R09: 0000000000000000 [ 70.745882][ T6560] R10: ffffffff87344f8a R11: 0000000000000000 R12: ffff88801b2c7000 [ 70.753872][ T6560] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801b2c7070 [ 70.762124][ T6560] FS: 00005555571e9400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 70.771437][ T6560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.778117][ T6560] CR2: 00007f6ae803d048 CR3: 000000006c16c000 CR4: 00000000003506e0 [ 70.786311][ T6560] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.794488][ T6560] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.802753][ T6560] Call Trace: [ 70.806114][ T6560] devlink_region_create+0x39f/0x4c0 [ 70.811443][ T6560] nsim_dev_probe+0x5f6/0x1150 [ 70.816321][ T6560] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 70.821891][ T6560] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.828247][ T6560] ? kernfs_create_link+0x1b3/0x230 [ 70.833472][ T6560] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.839844][ T6560] ? kernfs_put+0x31/0x50 [ 70.844203][ T6560] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.850832][ T6560] ? sysfs_do_create_link_sd+0xbb/0x140 [ 70.856540][ T6560] ? sysfs_create_link+0x67/0xc0 [ 70.861510][ T6560] ? nsim_bus_remove+0x20/0x20 [ 70.866477][ T6560] really_probe+0x245/0xcc0 [ 70.871023][ T6560] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.877576][ T6560] __driver_probe_device+0x338/0x4d0 [ 70.882988][ T6560] driver_probe_device+0x4c/0x1a0 [ 70.888167][ T6560] __device_attach_driver+0x20b/0x2f0 [ 70.893571][ T6560] ? driver_allows_async_probing+0x150/0x150 [ 70.900200][ T6560] bus_for_each_drv+0x15f/0x1e0 [ 70.905170][ T6560] ? bus_for_each_dev+0x1d0/0x1d0 [ 70.912301][ T6560] ? rcu_read_lock_sched_held+0x3a/0x70 [ 70.917969][ T6560] __device_attach+0x228/0x4a0 [ 70.923135][ T6560] ? device_driver_attach+0x210/0x210 [ 70.928791][ T6560] ? kobject_uevent_env+0x2bb/0x1650 [ 70.934417][ T6560] bus_probe_device+0x1e4/0x290 [ 70.939303][ T6560] device_add+0xc35/0x21b0 [ 70.943732][ T6560] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.949605][ T6560] ? lockdep_init_map_type+0x2c3/0x7b0 [ 70.955437][ T6560] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 70.961724][ T6560] ? __raw_spin_lock_init+0x36/0x110 [ 70.967460][ T6560] new_device_store+0x48b/0x770 [ 70.972503][ T6560] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.978454][ T6560] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 70.984383][ T6560] ? sysfs_file_ops+0x1c0/0x1c0 [ 70.989276][ T6560] bus_attr_store+0x72/0xa0 [ 70.993987][ T6560] ? bus_attr_show+0x90/0x90 [ 70.998729][ T6560] sysfs_kf_write+0x110/0x160 [ 71.003445][ T6560] kernfs_fop_write_iter+0x342/0x500 [ 71.008960][ T6560] new_sync_write+0x429/0x660 [ 71.013683][ T6560] ? new_sync_read+0x6e0/0x6e0 [ 71.018880][ T6560] ? lock_release+0x720/0x720 [ 71.023601][ T6560] vfs_write+0x7cf/0xae0 [ 71.027956][ T6560] ksys_write+0x12d/0x250 [ 71.032389][ T6560] ? __ia32_sys_read+0xb0/0xb0 [ 71.037381][ T6560] ? syscall_enter_from_user_mode+0x21/0x70 [ 71.043480][ T6560] do_syscall_64+0x35/0xb0 [ 71.047992][ T6560] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.053923][ T6560] RIP: 0033:0x7f3fd6c9f3ef [ 71.058715][ T6560] 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 [ 71.079223][ T6560] RSP: 002b:00007ffd8496d010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 71.088148][ T6560] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3fd6c9f3ef [ 71.096372][ T6560] RDX: 0000000000000003 RSI: 00007ffd8496d060 RDI: 0000000000000004 [ 71.104488][ T6560] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffd8496cfb0 [ 71.112598][ T6560] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3fd6d46971 [ 71.120740][ T6560] R13: 00007ffd8496d060 R14: 0000000000000000 R15: 00007ffd8496d730 [ 71.130733][ T6560] Kernel panic - not syncing: panic_on_warn set ... [ 71.137371][ T6560] CPU: 1 PID: 6560 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 71.146203][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.156450][ T6560] Call Trace: [ 71.159735][ T6560] dump_stack_lvl+0xcd/0x134 [ 71.164341][ T6560] panic+0x2b0/0x6dd [ 71.168251][ T6560] ? __warn_printk+0xf3/0xf3 [ 71.172874][ T6560] ? __warn.cold+0x1a/0x44 [ 71.177488][ T6560] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.183201][ T6560] __warn.cold+0x35/0x44 [ 71.187446][ T6560] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.193156][ T6560] report_bug+0x1bd/0x210 [ 71.197487][ T6560] handle_bug+0x3c/0x60 [ 71.201766][ T6560] exc_invalid_op+0x14/0x40 [ 71.206382][ T6560] asm_exc_invalid_op+0x12/0x20 [ 71.211348][ T6560] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 71.218031][ T6560] 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 executing program [ 71.238723][ T6560] RSP: 0018:ffffc90002d2f658 EFLAGS: 00010293 [ 71.244787][ T6560] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.252851][ T6560] RDX: ffff888024810000 RSI: ffffffff87345094 RDI: 0000000000000003 [ 71.262178][ T6560] RBP: ffff88801215a600 R08: 0000000000000000 R09: 0000000000000000 [ 71.270143][ T6560] R10: ffffffff87344f8a R11: 0000000000000000 R12: ffff88801b2c7000 [ 71.278192][ T6560] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801b2c7070 [ 71.286298][ T6560] ? devlink_nl_region_notify+0x7a/0x1e0 [ 71.292022][ T6560] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.297770][ T6560] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.303670][ T6560] devlink_region_create+0x39f/0x4c0 [ 71.309060][ T6560] nsim_dev_probe+0x5f6/0x1150 [ 71.313824][ T6560] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 71.319365][ T6560] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.325688][ T6560] ? kernfs_create_link+0x1b3/0x230 [ 71.330877][ T6560] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.337195][ T6560] ? kernfs_put+0x31/0x50 [ 71.341701][ T6560] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.348047][ T6560] ? sysfs_do_create_link_sd+0xbb/0x140 [ 71.353671][ T6560] ? sysfs_create_link+0x67/0xc0 [ 71.358705][ T6560] ? nsim_bus_remove+0x20/0x20 [ 71.363462][ T6560] really_probe+0x245/0xcc0 [ 71.368222][ T6560] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.374461][ T6560] __driver_probe_device+0x338/0x4d0 [ 71.379747][ T6560] driver_probe_device+0x4c/0x1a0 [ 71.384960][ T6560] __device_attach_driver+0x20b/0x2f0 [ 71.390357][ T6560] ? driver_allows_async_probing+0x150/0x150 [ 71.396526][ T6560] bus_for_each_drv+0x15f/0x1e0 [ 71.401396][ T6560] ? bus_for_each_dev+0x1d0/0x1d0 [ 71.406491][ T6560] ? rcu_read_lock_sched_held+0x3a/0x70 [ 71.412056][ T6560] __device_attach+0x228/0x4a0 [ 71.417002][ T6560] ? device_driver_attach+0x210/0x210 [ 71.422398][ T6560] ? kobject_uevent_env+0x2bb/0x1650 [ 71.427694][ T6560] bus_probe_device+0x1e4/0x290 [ 71.432552][ T6560] device_add+0xc35/0x21b0 [ 71.436997][ T6560] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.442448][ T6560] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.447910][ T6560] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 71.454140][ T6560] ? __raw_spin_lock_init+0x36/0x110 [ 71.459431][ T6560] new_device_store+0x48b/0x770 [ 71.464281][ T6560] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.470083][ T6560] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.475896][ T6560] ? sysfs_file_ops+0x1c0/0x1c0 [ 71.480753][ T6560] bus_attr_store+0x72/0xa0 [ 71.485354][ T6560] ? bus_attr_show+0x90/0x90 [ 71.489949][ T6560] sysfs_kf_write+0x110/0x160 [ 71.494704][ T6560] kernfs_fop_write_iter+0x342/0x500 [ 71.500054][ T6560] new_sync_write+0x429/0x660 [ 71.504735][ T6560] ? new_sync_read+0x6e0/0x6e0 [ 71.509509][ T6560] ? lock_release+0x720/0x720 [ 71.514207][ T6560] vfs_write+0x7cf/0xae0 [ 71.518467][ T6560] ksys_write+0x12d/0x250 [ 71.522896][ T6560] ? __ia32_sys_read+0xb0/0xb0 [ 71.527658][ T6560] ? syscall_enter_from_user_mode+0x21/0x70 [ 71.534212][ T6560] do_syscall_64+0x35/0xb0 [ 71.538894][ T6560] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.544784][ T6560] RIP: 0033:0x7f3fd6c9f3ef [ 71.549313][ T6560] 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 [ 71.569470][ T6560] RSP: 002b:00007ffd8496d010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 71.577982][ T6560] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3fd6c9f3ef [ 71.586039][ T6560] RDX: 0000000000000003 RSI: 00007ffd8496d060 RDI: 0000000000000004 [ 71.594111][ T6560] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffd8496cfb0 [ 71.602224][ T6560] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3fd6d46971 [ 71.610554][ T6560] R13: 00007ffd8496d060 R14: 0000000000000000 R15: 00007ffd8496d730 [ 71.619108][ T6560] Kernel Offset: disabled [ 71.623551][ T6560] Rebooting in 86400 seconds..