[  OK  ] Started Getty on tty4.
[  OK  ] Started Getty on tty3.
[  OK  ] Started Getty on tty2.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Serial Getty on ttyS0.
[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.164' (ECDSA) to the list of known hosts.
2021/09/28 13:14:46 fuzzer started
2021/09/28 13:14:46 connecting to host at 10.128.0.169:44221
2021/09/28 13:14:46 checking machine...
2021/09/28 13:14:46 checking revisions...
2021/09/28 13:14:46 testing simple program...
syzkaller login: [   69.393209][ T6569] chnl_net:caif_netlink_parms(): no params data found
[   69.464103][ T6569] bridge0: port 1(bridge_slave_0) entered blocking state
[   69.472447][ T6569] bridge0: port 1(bridge_slave_0) entered disabled state
[   69.480410][ T6569] device bridge_slave_0 entered promiscuous mode
[   69.491020][ T6569] bridge0: port 2(bridge_slave_1) entered blocking state
[   69.498145][ T6569] bridge0: port 2(bridge_slave_1) entered disabled state
[   69.506634][ T6569] device bridge_slave_1 entered promiscuous mode
[   69.538416][ T6569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   69.549575][ T6569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   69.585198][ T6569] team0: Port device team_slave_0 added
[   69.594265][ T6569] team0: Port device team_slave_1 added
[   69.624993][ T6569] batman_adv: batadv0: Adding interface: batadv_slave_0
[   69.633696][ T6569] 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.
[   69.661465][ T6569] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   69.675456][ T6569] batman_adv: batadv0: Adding interface: batadv_slave_1
[   69.682888][ T6569] 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.
[   69.710527][ T6569] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   69.748664][ T6569] device hsr_slave_0 entered promiscuous mode
[   69.755573][ T6569] device hsr_slave_1 entered promiscuous mode
[   69.843630][ T6569] ------------[ cut here ]------------
[   69.849307][ T6569] WARNING: CPU: 0 PID: 6569 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0
[   69.862024][ T6569] Modules linked in:
[   69.865956][ T6569] CPU: 0 PID: 6569 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0
[   69.875104][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   69.886241][ T6569] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0
[   69.893429][ T6569] 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
[   69.913730][ T6569] RSP: 0018:ffffc90002c4f658 EFLAGS: 00010293
[   69.920177][ T6569] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   69.929327][ T6569] RDX: ffff88802178b900 RSI: ffffffff87344e94 RDI: 0000000000000003
[   69.938022][ T6569] RBP: ffff888072d8d980 R08: 0000000000000000 R09: 0000000000000000
[   69.946520][ T6569] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88807199c000
[   69.954766][ T6569] R13: 0000000000000000 R14: 000000000000002c R15: ffff88807199c070
[   69.962857][ T6569] FS:  000055555659f400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   69.972092][ T6569] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.978787][ T6569] CR2: 00007f1bdcb2b000 CR3: 000000006872d000 CR4: 00000000003506f0
[   69.986890][ T6569] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   69.995278][ T6569] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   70.003335][ T6569] Call Trace:
[   70.006619][ T6569]  devlink_region_create+0x39f/0x4c0
[   70.011981][ T6569]  nsim_dev_probe+0x5f6/0x1150
[   70.016760][ T6569]  ? nsim_esw_legacy_enable+0x1b0/0x1b0
[   70.022456][ T6569]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   70.028729][ T6569]  ? kernfs_create_link+0x1b3/0x230
[   70.034668][ T6569]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   70.041141][ T6569]  ? kernfs_put+0x31/0x50
[   70.045903][ T6569]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[   70.053257][ T6569]  ? sysfs_do_create_link_sd+0xbb/0x140
[   70.058831][ T6569]  ? sysfs_create_link+0x67/0xc0
[   70.064847][ T6569]  ? nsim_bus_remove+0x20/0x20
[   70.069627][ T6569]  really_probe+0x245/0xcc0
[   70.074358][ T6569]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   70.080665][ T6569]  __driver_probe_device+0x338/0x4d0
[   70.087050][ T6569]  driver_probe_device+0x4c/0x1a0
[   70.093021][ T6569]  __device_attach_driver+0x20b/0x2f0
[   70.098712][ T6569]  ? driver_allows_async_probing+0x150/0x150
[   70.106059][ T6569]  bus_for_each_drv+0x15f/0x1e0
[   70.111228][ T6569]  ? bus_for_each_dev+0x1d0/0x1d0
[   70.116305][ T6569]  ? rcu_read_lock_sched_held+0x3a/0x70
[   70.123021][ T6569]  __device_attach+0x228/0x4a0
[   70.127817][ T6569]  ? device_driver_attach+0x210/0x210
[   70.133478][ T6569]  ? kobject_uevent_env+0x2bb/0x1650
[   70.138928][ T6569]  bus_probe_device+0x1e4/0x290
[   70.144764][ T6569]  device_add+0xc35/0x21b0
[   70.149226][ T6569]  ? lockdep_init_map_type+0x2c3/0x7b0
[   70.155314][ T6569]  ? lockdep_init_map_type+0x2c3/0x7b0
[   70.161486][ T6569]  ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0
[   70.167958][ T6569]  ? __raw_spin_lock_init+0x36/0x110
[   70.173414][ T6569]  new_device_store+0x48b/0x770
[   70.178559][ T6569]  ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[   70.185494][ T6569]  ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[   70.191574][ T6569]  ? sysfs_file_ops+0x1c0/0x1c0
[   70.196447][ T6569]  bus_attr_store+0x72/0xa0
[   70.201839][ T6569]  ? bus_attr_show+0x90/0x90
[   70.206541][ T6569]  sysfs_kf_write+0x110/0x160
[   70.211439][ T6569]  kernfs_fop_write_iter+0x342/0x500
[   70.216766][ T6569]  new_sync_write+0x429/0x660
[   70.222418][ T6569]  ? new_sync_read+0x6e0/0x6e0
[   70.227224][ T6569]  ? lock_release+0x720/0x720
[   70.232526][ T6569]  vfs_write+0x7cf/0xae0
[   70.236798][ T6569]  ksys_write+0x12d/0x250
[   70.241974][ T6569]  ? __ia32_sys_read+0xb0/0xb0
[   70.246802][ T6569]  ? syscall_enter_from_user_mode+0x21/0x70
[   70.252971][ T6569]  do_syscall_64+0x35/0xb0
[   70.257420][ T6569]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   70.264803][ T6569] RIP: 0033:0x7f5522ee33ef
[   70.269349][ T6569] 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
[   70.289230][ T6569] RSP: 002b:00007fffb712ab70 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   70.297885][ T6569] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5522ee33ef
[   70.306056][ T6569] RDX: 0000000000000003 RSI: 00007fffb712abc0 RDI: 0000000000000004
[   70.314373][ T6569] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fffb712ab10
[   70.322431][ T6569] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f5522f8a971
[   70.330410][ T6569] R13: 00007fffb712abc0 R14: 0000000000000000 R15: 00007fffb712b290
[   70.338780][ T6569] Kernel panic - not syncing: panic_on_warn set ...
[   70.345625][ T6569] CPU: 0 PID: 6569 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0
[   70.354308][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   70.364384][ T6569] Call Trace:
[   70.367918][ T6569]  dump_stack_lvl+0xcd/0x134
[   70.372509][ T6569]  panic+0x2b0/0x6dd
[   70.376424][ T6569]  ? __warn_printk+0xf3/0xf3
[   70.381025][ T6569]  ? __warn.cold+0x1a/0x44
[   70.385628][ T6569]  ? devlink_nl_region_notify+0x184/0x1e0
[   70.391349][ T6569]  __warn.cold+0x35/0x44
[   70.395590][ T6569]  ? devlink_nl_region_notify+0x184/0x1e0
[   70.401483][ T6569]  report_bug+0x1bd/0x210
[   70.405910][ T6569]  handle_bug+0x3c/0x60
[   70.410151][ T6569]  exc_invalid_op+0x14/0x40
[   70.414656][ T6569]  asm_exc_invalid_op+0x12/0x20
[   70.419858][ T6569] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0
[   70.426190][ T6569] 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
[   70.447229][ T6569] RSP: 0018:ffffc90002c4f658 EFLAGS: 00010293
[   70.453382][ T6569] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   70.461698][ T6569] RDX: ffff88802178b900 RSI: ffffffff87344e94 RDI: 0000000000000003
[   70.469663][ T6569] RBP: ffff888072d8d980 R08: 0000000000000000 R09: 0000000000000000
[   70.477719][ T6569] R10: ffffffff87344d8a R11: 0000000000000000 R12: ffff88807199c000
[   70.485963][ T6569] R13: 0000000000000000 R14: 000000000000002c R15: ffff88807199c070
[   70.494044][ T6569]  ? devlink_nl_region_notify+0x7a/0x1e0
[   70.499815][ T6569]  ? devlink_nl_region_notify+0x184/0x1e0
[   70.505757][ T6569]  ? devlink_nl_region_notify+0x184/0x1e0
[   70.511576][ T6569]  devlink_region_create+0x39f/0x4c0
[   70.517131][ T6569]  nsim_dev_probe+0x5f6/0x1150
[   70.521990][ T6569]  ? nsim_esw_legacy_enable+0x1b0/0x1b0
[   70.527642][ T6569]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   70.533971][ T6569]  ? kernfs_create_link+0x1b3/0x230
[   70.539271][ T6569]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   70.545618][ T6569]  ? kernfs_put+0x31/0x50
[   70.550042][ T6569]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[   70.556298][ T6569]  ? sysfs_do_create_link_sd+0xbb/0x140
[   70.561957][ T6569]  ? sysfs_create_link+0x67/0xc0
[   70.567073][ T6569]  ? nsim_bus_remove+0x20/0x20
[   70.571837][ T6569]  really_probe+0x245/0xcc0
[   70.576339][ T6569]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   70.582590][ T6569]  __driver_probe_device+0x338/0x4d0
[   70.587900][ T6569]  driver_probe_device+0x4c/0x1a0
[   70.592949][ T6569]  __device_attach_driver+0x20b/0x2f0
[   70.598508][ T6569]  ? driver_allows_async_probing+0x150/0x150
[   70.604494][ T6569]  bus_for_each_drv+0x15f/0x1e0
[   70.609365][ T6569]  ? bus_for_each_dev+0x1d0/0x1d0
[   70.614404][ T6569]  ? rcu_read_lock_sched_held+0x3a/0x70
[   70.619977][ T6569]  __device_attach+0x228/0x4a0
[   70.624746][ T6569]  ? device_driver_attach+0x210/0x210
[   70.630549][ T6569]  ? kobject_uevent_env+0x2bb/0x1650
[   70.635838][ T6569]  bus_probe_device+0x1e4/0x290
[   70.640712][ T6569]  device_add+0xc35/0x21b0
[   70.645279][ T6569]  ? lockdep_init_map_type+0x2c3/0x7b0
[   70.650786][ T6569]  ? lockdep_init_map_type+0x2c3/0x7b0
[   70.656445][ T6569]  ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0
[   70.662700][ T6569]  ? __raw_spin_lock_init+0x36/0x110
[   70.668020][ T6569]  new_device_store+0x48b/0x770
[   70.672883][ T6569]  ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[   70.678713][ T6569]  ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[   70.684538][ T6569]  ? sysfs_file_ops+0x1c0/0x1c0
[   70.689404][ T6569]  bus_attr_store+0x72/0xa0
[   70.693913][ T6569]  ? bus_attr_show+0x90/0x90
[   70.698589][ T6569]  sysfs_kf_write+0x110/0x160
[   70.703285][ T6569]  kernfs_fop_write_iter+0x342/0x500
[   70.708586][ T6569]  new_sync_write+0x429/0x660
[   70.713524][ T6569]  ? new_sync_read+0x6e0/0x6e0
[   70.718297][ T6569]  ? lock_release+0x720/0x720
[   70.723080][ T6569]  vfs_write+0x7cf/0xae0
[   70.727447][ T6569]  ksys_write+0x12d/0x250
[   70.731809][ T6569]  ? __ia32_sys_read+0xb0/0xb0
[   70.736573][ T6569]  ? syscall_enter_from_user_mode+0x21/0x70
[   70.742763][ T6569]  do_syscall_64+0x35/0xb0
[   70.747188][ T6569]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   70.753361][ T6569] RIP: 0033:0x7f5522ee33ef
[   70.757949][ T6569] 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
[   70.777904][ T6569] RSP: 002b:00007fffb712ab70 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[   70.786314][ T6569] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5522ee33ef
[   70.794368][ T6569] RDX: 0000000000000003 RSI: 00007fffb712abc0 RDI: 0000000000000004
[   70.802424][ T6569] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fffb712ab10
[   70.810573][ T6569] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f5522f8a971
[   70.819000][ T6569] R13: 00007fffb712abc0 R14: 0000000000000000 R15: 00007fffb712b290
[   70.827467][ T6569] Kernel Offset: disabled
[   70.831997][ T6569] Rebooting in 86400 seconds..