[[0;32m OK [0m] Started Getty on tty4.
[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Started Getty on tty2.
[[0;32m OK [0m] Started Getty on tty1.
[[0;32m OK [0m] Started Serial Getty on ttyS0.
[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.177' (ECDSA) to the list of known hosts.
2021/09/28 13:14:39 fuzzer started
2021/09/28 13:14:39 connecting to host at 10.128.0.169:40855
2021/09/28 13:14:39 checking machine...
2021/09/28 13:14:39 checking revisions...
2021/09/28 13:14:39 testing simple program...
syzkaller login: [ 71.175372][ T6562] chnl_net:caif_netlink_parms(): no params data found
[ 71.265544][ T6562] bridge0: port 1(bridge_slave_0) entered blocking state
[ 71.274526][ T6562] bridge0: port 1(bridge_slave_0) entered disabled state
[ 71.285433][ T6562] device bridge_slave_0 entered promiscuous mode
[ 71.295993][ T6562] bridge0: port 2(bridge_slave_1) entered blocking state
[ 71.305106][ T6562] bridge0: port 2(bridge_slave_1) entered disabled state
[ 71.314275][ T6562] device bridge_slave_1 entered promiscuous mode
[ 71.351373][ T6562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 71.365390][ T6562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 71.404196][ T6562] team0: Port device team_slave_0 added
[ 71.414352][ T6562] team0: Port device team_slave_1 added
[ 71.446992][ T6562] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 71.454861][ T6562] 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.
[ 71.482960][ T6562] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 71.498660][ T6562] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 71.507852][ T6562] 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.
[ 71.538033][ T6562] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 71.579396][ T6562] device hsr_slave_0 entered promiscuous mode
[ 71.588296][ T6562] device hsr_slave_1 entered promiscuous mode
[ 71.682240][ T6562] ------------[ cut here ]------------
[ 71.688218][ T6562] WARNING: CPU: 0 PID: 6562 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0
[ 71.699660][ T6562] Modules linked in:
[ 71.705721][ T6562] CPU: 0 PID: 6562 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0
[ 71.714729][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 71.725495][ T6562] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0
[ 71.732091][ T6562] 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 bd 41 fa e8 fc bc 41 fa <0f> 0b e9 f7 fe ff ff e8 f0 bc 41 fa 0f 0b eb da 4c 89 e7 e8 c4 18
[ 71.752980][ T6562] RSP: 0018:ffffc90002c5f658 EFLAGS: 00010293
[ 71.759326][ T6562] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 71.767767][ T6562] RDX: ffff8880241a3900 RSI: ffffffff87344e94 RDI: 0000000000000003
[ 71.776225][ T6562] RBP: ffff88806f0ec880 R08: 0000000000000000 R09: 0000000000000000
[ 71.785117][ T6562] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88801a6db000
[ 71.794427][ T6562] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801a6db070
[ 71.803342][ T6562] FS: 0000555556846400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 71.812939][ T6562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.821631][ T6562] CR2: 000055c32e2e5200 CR3: 000000006897c000 CR4: 00000000003506f0
[ 71.830311][ T6562] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 71.839394][ T6562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 71.848520][ T6562] Call Trace:
[ 71.852420][ T6562] devlink_region_create+0x39f/0x4c0
[ 71.858163][ T6562] nsim_dev_probe+0x5f6/0x1150
[ 71.863380][ T6562] ? nsim_esw_legacy_enable+0x1b0/0x1b0
[ 71.869178][ T6562] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 71.875534][ T6562] ? kernfs_create_link+0x1b3/0x230
[ 71.881542][ T6562] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 71.888340][ T6562] ? kernfs_put+0x31/0x50
[ 71.892939][ T6562] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 71.900263][ T6562] ? sysfs_do_create_link_sd+0xbb/0x140
[ 71.906561][ T6562] ? sysfs_create_link+0x67/0xc0
[ 71.911625][ T6562] ? nsim_bus_remove+0x20/0x20
[ 71.916879][ T6562] really_probe+0x245/0xcc0
[ 71.921565][ T6562] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 71.928387][ T6562] __driver_probe_device+0x338/0x4d0
[ 71.933879][ T6562] driver_probe_device+0x4c/0x1a0
[ 71.939116][ T6562] __device_attach_driver+0x20b/0x2f0
[ 71.944842][ T6562] ? driver_allows_async_probing+0x150/0x150
[ 71.952268][ T6562] bus_for_each_drv+0x15f/0x1e0
[ 71.957590][ T6562] ? bus_for_each_dev+0x1d0/0x1d0
[ 71.962713][ T6562] ? rcu_read_lock_sched_held+0x3a/0x70
[ 71.968723][ T6562] __device_attach+0x228/0x4a0
[ 71.973910][ T6562] ? device_driver_attach+0x210/0x210
[ 71.979321][ T6562] ? kobject_uevent_env+0x2bb/0x1650
[ 71.985001][ T6562] bus_probe_device+0x1e4/0x290
[ 71.990076][ T6562] device_add+0xc35/0x21b0
[ 71.995651][ T6562] ? lockdep_init_map_type+0x2c3/0x7b0
[ 72.001821][ T6562] ? lockdep_init_map_type+0x2c3/0x7b0
[ 72.007318][ T6562] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0
[ 72.013653][ T6562] ? __raw_spin_lock_init+0x36/0x110
[ 72.019160][ T6562] new_device_store+0x48b/0x770
[ 72.024731][ T6562] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 72.031002][ T6562] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 72.037357][ T6562] ? sysfs_file_ops+0x1c0/0x1c0
[ 72.043243][ T6562] bus_attr_store+0x72/0xa0
[ 72.048026][ T6562] ? bus_attr_show+0x90/0x90
[ 72.052804][ T6562] sysfs_kf_write+0x110/0x160
[ 72.057747][ T6562] kernfs_fop_write_iter+0x342/0x500
[ 72.063134][ T6562] new_sync_write+0x429/0x660
[ 72.068244][ T6562] ? new_sync_read+0x6e0/0x6e0
[ 72.073605][ T6562] ? lock_release+0x720/0x720
[ 72.078835][ T6562] vfs_write+0x7cf/0xae0
[ 72.083677][ T6562] ksys_write+0x12d/0x250
[ 72.088716][ T6562] ? __ia32_sys_read+0xb0/0xb0
[ 72.093931][ T6562] ? syscall_enter_from_user_mode+0x21/0x70
[ 72.099983][ T6562] do_syscall_64+0x35/0xb0
[ 72.104856][ T6562] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 72.111291][ T6562] RIP: 0033:0x7f872f2713ef
[ 72.116133][ T6562] 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
[ 72.137589][ T6562] RSP: 002b:00007ffd9f542d20 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 72.146376][ T6562] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f872f2713ef
[ 72.154799][ T6562] RDX: 0000000000000003 RSI: 00007ffd9f542d70 RDI: 0000000000000004
[ 72.163312][ T6562] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffd9f542cc0
[ 72.171872][ T6562] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f872f318971
[ 72.180323][ T6562] R13: 00007ffd9f542d70 R14: 0000000000000000 R15: 00007ffd9f543440
[ 72.188429][ T6562] Kernel panic - not syncing: panic_on_warn set ...
[ 72.196039][ T6562] CPU: 0 PID: 6562 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0
[ 72.206126][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 72.216538][ T6562] Call Trace:
[ 72.219965][ T6562] dump_stack_lvl+0xcd/0x134
[ 72.224771][ T6562] panic+0x2b0/0x6dd
[ 72.228866][ T6562] ? __warn_printk+0xf3/0xf3
[ 72.233574][ T6562] ? __warn.cold+0x1a/0x44
[ 72.238014][ T6562] ? devlink_nl_region_notify+0x184/0x1e0
[ 72.244022][ T6562] __warn.cold+0x35/0x44
[ 72.248528][ T6562] ? devlink_nl_region_notify+0x184/0x1e0
[ 72.254426][ T6562] report_bug+0x1bd/0x210
[ 72.259039][ T6562] handle_bug+0x3c/0x60
[ 72.263586][ T6562] exc_invalid_op+0x14/0x40
[ 72.269327][ T6562] asm_exc_invalid_op+0x12/0x20
[ 72.274649][ T6562] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0
[ 72.281378][ T6562] 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 bd 41 fa e8 fc bc 41 fa <0f> 0b e9 f7 fe ff ff e8 f0 bc 41 fa 0f 0b eb da 4c 89 e7 e8 c4 18
[ 72.301895][ T6562] RSP: 0018:ffffc90002c5f658 EFLAGS: 00010293
[ 72.308264][ T6562] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 72.316444][ T6562] RDX: ffff8880241a3900 RSI: ffffffff87344e94 RDI: 0000000000000003
[ 72.324770][ T6562] RBP: ffff88806f0ec880 R08: 0000000000000000 R09: 0000000000000000
[ 72.333095][ T6562] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88801a6db000
[ 72.341784][ T6562] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801a6db070
[ 72.350648][ T6562] ? devlink_nl_region_notify+0x7a/0x1e0
[ 72.356738][ T6562] ? devlink_nl_region_notify+0x184/0x1e0
[ 72.363009][ T6562] ? devlink_nl_region_notify+0x184/0x1e0
[ 72.368944][ T6562] devlink_region_create+0x39f/0x4c0
[ 72.374856][ T6562] nsim_dev_probe+0x5f6/0x1150
[ 72.379677][ T6562] ? nsim_esw_legacy_enable+0x1b0/0x1b0
[ 72.385544][ T6562] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 72.392239][ T6562] ? kernfs_create_link+0x1b3/0x230
[ 72.398140][ T6562] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 72.404826][ T6562] ? kernfs_put+0x31/0x50
[ 72.409770][ T6562] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 72.416207][ T6562] ? sysfs_do_create_link_sd+0xbb/0x140
[ 72.421876][ T6562] ? sysfs_create_link+0x67/0xc0
[ 72.427205][ T6562] ? nsim_bus_remove+0x20/0x20
[ 72.432415][ T6562] really_probe+0x245/0xcc0
[ 72.437120][ T6562] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 72.443677][ T6562] __driver_probe_device+0x338/0x4d0
[ 72.449286][ T6562] driver_probe_device+0x4c/0x1a0
[ 72.454871][ T6562] __device_attach_driver+0x20b/0x2f0
[ 72.460303][ T6562] ? driver_allows_async_probing+0x150/0x150
[ 72.466295][ T6562] bus_for_each_drv+0x15f/0x1e0
[ 72.471285][ T6562] ? bus_for_each_dev+0x1d0/0x1d0
[ 72.476417][ T6562] ? rcu_read_lock_sched_held+0x3a/0x70
[ 72.481985][ T6562] __device_attach+0x228/0x4a0
[ 72.486852][ T6562] ? device_driver_attach+0x210/0x210
[ 72.492243][ T6562] ? kobject_uevent_env+0x2bb/0x1650
[ 72.497560][ T6562] bus_probe_device+0x1e4/0x290
[ 72.502425][ T6562] device_add+0xc35/0x21b0
[ 72.506958][ T6562] ? lockdep_init_map_type+0x2c3/0x7b0
[ 72.512585][ T6562] ? lockdep_init_map_type+0x2c3/0x7b0
[ 72.518278][ T6562] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0
[ 72.524917][ T6562] ? __raw_spin_lock_init+0x36/0x110
[ 72.530397][ T6562] new_device_store+0x48b/0x770
[ 72.535354][ T6562] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 72.541461][ T6562] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 72.547503][ T6562] ? sysfs_file_ops+0x1c0/0x1c0
[ 72.553308][ T6562] bus_attr_store+0x72/0xa0
[ 72.557947][ T6562] ? bus_attr_show+0x90/0x90
[ 72.562736][ T6562] sysfs_kf_write+0x110/0x160
[ 72.567578][ T6562] kernfs_fop_write_iter+0x342/0x500
[ 72.572887][ T6562] new_sync_write+0x429/0x660
[ 72.577918][ T6562] ? new_sync_read+0x6e0/0x6e0
[ 72.582879][ T6562] ? lock_release+0x720/0x720
[ 72.587581][ T6562] vfs_write+0x7cf/0xae0
[ 72.592008][ T6562] ksys_write+0x12d/0x250
[ 72.596602][ T6562] ? __ia32_sys_read+0xb0/0xb0
[ 72.601547][ T6562] ? syscall_enter_from_user_mode+0x21/0x70
[ 72.607556][ T6562] do_syscall_64+0x35/0xb0
[ 72.612286][ T6562] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 72.618420][ T6562] RIP: 0033:0x7f872f2713ef
[ 72.622958][ T6562] 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
[ 72.644730][ T6562] RSP: 002b:00007ffd9f542d20 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 72.653966][ T6562] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f872f2713ef
[ 72.662419][ T6562] RDX: 0000000000000003 RSI: 00007ffd9f542d70 RDI: 0000000000000004
[ 72.670753][ T6562] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffd9f542cc0
[ 72.678762][ T6562] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f872f318971
[ 72.686841][ T6562] R13: 00007ffd9f542d70 R14: 0000000000000000 R15: 00007ffd9f543440
[ 72.695566][ T6562] Kernel Offset: disabled
[ 72.700528][ T6562] Rebooting in 86400 seconds..