[[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 Serial Getty on ttyS0.
[[0;32m OK [0m] Started Getty on tty1.
[[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...
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.186' (ECDSA) to the list of known hosts.
2021/09/28 13:05:09 fuzzer started
2021/09/28 13:05:09 connecting to host at 10.128.0.169:38315
2021/09/28 13:05:09 checking machine...
2021/09/28 13:05:09 checking revisions...
2021/09/28 13:05:09 testing simple program...
syzkaller login: [ 69.120816][ T6557] chnl_net:caif_netlink_parms(): no params data found
[ 69.194439][ T6557] bridge0: port 1(bridge_slave_0) entered blocking state
[ 69.202138][ T6557] bridge0: port 1(bridge_slave_0) entered disabled state
[ 69.210753][ T6557] device bridge_slave_0 entered promiscuous mode
[ 69.220714][ T6557] bridge0: port 2(bridge_slave_1) entered blocking state
[ 69.228003][ T6557] bridge0: port 2(bridge_slave_1) entered disabled state
[ 69.236190][ T6557] device bridge_slave_1 entered promiscuous mode
[ 69.265277][ T6557] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 69.278248][ T6557] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 69.312578][ T6557] team0: Port device team_slave_0 added
[ 69.320889][ T6557] team0: Port device team_slave_1 added
[ 69.349395][ T6557] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 69.356700][ T6557] 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.
[ 69.387407][ T6557] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 69.400184][ T6557] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 69.407301][ T6557] 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.
[ 69.433883][ T6557] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 69.471091][ T6557] device hsr_slave_0 entered promiscuous mode
[ 69.478034][ T6557] device hsr_slave_1 entered promiscuous mode
[ 69.562476][ T6557] ------------[ cut here ]------------
[ 69.568326][ T6557] WARNING: CPU: 0 PID: 6557 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0
[ 69.579290][ T6557] Modules linked in:
[ 69.583304][ T6557] CPU: 0 PID: 6557 Comm: syz-executor.0 Not tainted 5.15.0-rc3-next-20210928-syzkaller #0
[ 69.593335][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 69.603630][ T6557] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0
[ 69.610325][ T6557] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 62 0b 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 21 3c 45 fa e8 1c 3c 45 fa <0f> 0b e9 f7 fe ff ff e8 10 3c 45 fa 0f 0b eb da 4c 89 e7 e8 f4 69
[ 69.630106][ T6557] RSP: 0018:ffffc90002bd7658 EFLAGS: 00010293
[ 69.636495][ T6557] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 69.645440][ T6557] RDX: ffff8880245a1d00 RSI: ffffffff87310754 RDI: 0000000000000003
[ 69.653522][ T6557] RBP: ffff88801c765600 R08: 0000000000000000 R09: 0000000000000000
[ 69.661564][ T6557] R10: ffffffff8731064a R11: 0000000000000000 R12: ffff88807ac30000
[ 69.669667][ T6557] R13: 0000000000000000 R14: 000000000000002c R15: ffff88807ac30070
[ 69.677746][ T6557] FS: 0000555555c11400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 69.686784][ T6557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.693489][ T6557] CR2: 00007fff6c20ee28 CR3: 0000000067f6a000 CR4: 00000000003506f0
[ 69.701747][ T6557] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 69.710060][ T6557] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 69.718217][ T6557] Call Trace:
[ 69.721516][ T6557]
[ 69.724550][ T6557] devlink_region_create+0x39f/0x4c0
[ 69.729974][ T6557] nsim_dev_probe+0x5f6/0x1150
[ 69.734840][ T6557] ? nsim_esw_legacy_enable+0x1b0/0x1b0
[ 69.740582][ T6557] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 69.746975][ T6557] ? kernfs_create_link+0x1b3/0x230
[ 69.752323][ T6557] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 69.758645][ T6557] ? kernfs_put+0x31/0x50
[ 69.763219][ T6557] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 69.769531][ T6557] ? sysfs_do_create_link_sd+0xbb/0x140
[ 69.775202][ T6557] ? sysfs_create_link+0x67/0xc0
[ 69.780192][ T6557] ? nsim_bus_remove+0x20/0x20
[ 69.785064][ T6557] really_probe+0x245/0xcc0
[ 69.789603][ T6557] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 69.795949][ T6557] __driver_probe_device+0x338/0x4d0
[ 69.801288][ T6557] driver_probe_device+0x4c/0x1a0
[ 69.806540][ T6557] __device_attach_driver+0x20b/0x2f0
[ 69.811933][ T6557] ? driver_allows_async_probing+0x150/0x150
[ 69.818308][ T6557] bus_for_each_drv+0x15f/0x1e0
[ 69.823187][ T6557] ? bus_for_each_dev+0x1d0/0x1d0
[ 69.828300][ T6557] ? rcu_read_lock_sched_held+0x3a/0x70
[ 69.833867][ T6557] __device_attach+0x228/0x4a0
[ 69.838699][ T6557] ? device_driver_attach+0x210/0x210
[ 69.844112][ T6557] ? kobject_uevent_env+0x2bb/0x1650
[ 69.849538][ T6557] bus_probe_device+0x1e4/0x290
[ 69.854505][ T6557] device_add+0xc35/0x21b0
[ 69.858952][ T6557] ? lockdep_init_map_type+0x2c3/0x7b0
[ 69.864503][ T6557] ? lockdep_init_map_type+0x2c3/0x7b0
[ 69.870092][ T6557] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0
[ 69.876427][ T6557] ? __raw_spin_lock_init+0x36/0x110
[ 69.881825][ T6557] new_device_store+0x48b/0x770
[ 69.886834][ T6557] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 69.892849][ T6557] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 69.898924][ T6557] ? sysfs_file_ops+0x1c0/0x1c0
[ 69.903783][ T6557] bus_attr_store+0x72/0xa0
[ 69.908446][ T6557] ? bus_attr_show+0x90/0x90
[ 69.913188][ T6557] sysfs_kf_write+0x110/0x160
[ 69.918014][ T6557] kernfs_fop_write_iter+0x342/0x500
[ 69.923329][ T6557] new_sync_write+0x429/0x660
[ 69.928105][ T6557] ? new_sync_read+0x6e0/0x6e0
[ 69.932948][ T6557] ? lock_release+0x720/0x720
[ 69.937803][ T6557] vfs_write+0x7cf/0xae0
[ 69.942074][ T6557] ksys_write+0x12d/0x250
[ 69.946488][ T6557] ? __ia32_sys_read+0xb0/0xb0
[ 69.951365][ T6557] ? syscall_enter_from_user_mode+0x21/0x70
[ 69.957447][ T6557] do_syscall_64+0x35/0xb0
[ 69.961885][ T6557] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 69.967865][ T6557] RIP: 0033:0x7f210913d3ef
[ 69.972334][ T6557] 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
[ 69.992266][ T6557] RSP: 002b:00007fff6c20f460 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 70.000782][ T6557] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f210913d3ef
[ 70.009001][ T6557] RDX: 0000000000000003 RSI: 00007fff6c20f4b0 RDI: 0000000000000004
[ 70.017160][ T6557] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fff6c20f400
[ 70.025322][ T6557] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f21091e4971
[ 70.033432][ T6557] R13: 00007fff6c20f4b0 R14: 0000000000000000 R15: 00007fff6c20fb80
[ 70.041648][ T6557]
[ 70.044838][ T6557] Kernel panic - not syncing: panic_on_warn set ...
[ 70.051744][ T6557] CPU: 0 PID: 6557 Comm: syz-executor.0 Not tainted 5.15.0-rc3-next-20210928-syzkaller #0
[ 70.062365][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 70.072437][ T6557] Call Trace:
[ 70.075793][ T6557]
[ 70.078717][ T6557] dump_stack_lvl+0xcd/0x134
[ 70.083301][ T6557] panic+0x2b0/0x6dd
[ 70.087183][ T6557] ? __warn_printk+0xf3/0xf3
[ 70.091775][ T6557] ? __warn.cold+0x1a/0x44
[ 70.096358][ T6557] ? devlink_nl_region_notify+0x184/0x1e0
[ 70.102249][ T6557] __warn.cold+0x35/0x44
[ 70.106480][ T6557] ? devlink_nl_region_notify+0x184/0x1e0
[ 70.112188][ T6557] report_bug+0x1bd/0x210
[ 70.116512][ T6557] handle_bug+0x3c/0x60
[ 70.120742][ T6557] exc_invalid_op+0x14/0x40
[ 70.125249][ T6557] asm_exc_invalid_op+0x12/0x20
[ 70.130087][ T6557] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0
[ 70.136403][ T6557] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 62 0b 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 21 3c 45 fa e8 1c 3c 45 fa <0f> 0b e9 f7 fe ff ff e8 10 3c 45 fa 0f 0b eb da 4c 89 e7 e8 f4 69
[ 70.156561][ T6557] RSP: 0018:ffffc90002bd7658 EFLAGS: 00010293
[ 70.162637][ T6557] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 70.170635][ T6557] RDX: ffff8880245a1d00 RSI: ffffffff87310754 RDI: 0000000000000003
[ 70.178792][ T6557] RBP: ffff88801c765600 R08: 0000000000000000 R09: 0000000000000000
[ 70.186779][ T6557] R10: ffffffff8731064a R11: 0000000000000000 R12: ffff88807ac30000
[ 70.194923][ T6557] R13: 0000000000000000 R14: 000000000000002c R15: ffff88807ac30070
[ 70.202982][ T6557] ? devlink_nl_region_notify+0x7a/0x1e0
[ 70.208718][ T6557] ? devlink_nl_region_notify+0x184/0x1e0
[ 70.214616][ T6557] ? devlink_nl_region_notify+0x184/0x1e0
[ 70.220520][ T6557] devlink_region_create+0x39f/0x4c0
[ 70.225941][ T6557] nsim_dev_probe+0x5f6/0x1150
[ 70.230719][ T6557] ? nsim_esw_legacy_enable+0x1b0/0x1b0
[ 70.236393][ T6557] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 70.242652][ T6557] ? kernfs_create_link+0x1b3/0x230
[ 70.247953][ T6557] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 70.254486][ T6557] ? kernfs_put+0x31/0x50
[ 70.259004][ T6557] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 70.265432][ T6557] ? sysfs_do_create_link_sd+0xbb/0x140
[ 70.271030][ T6557] ? sysfs_create_link+0x67/0xc0
[ 70.276204][ T6557] ? nsim_bus_remove+0x20/0x20
[ 70.281053][ T6557] really_probe+0x245/0xcc0
[ 70.285652][ T6557] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 70.291987][ T6557] __driver_probe_device+0x338/0x4d0
[ 70.297276][ T6557] driver_probe_device+0x4c/0x1a0
[ 70.302304][ T6557] __device_attach_driver+0x20b/0x2f0
[ 70.307706][ T6557] ? driver_allows_async_probing+0x150/0x150
[ 70.313686][ T6557] bus_for_each_drv+0x15f/0x1e0
[ 70.318541][ T6557] ? bus_for_each_dev+0x1d0/0x1d0
[ 70.323570][ T6557] ? rcu_read_lock_sched_held+0x3a/0x70
[ 70.329123][ T6557] __device_attach+0x228/0x4a0
[ 70.333888][ T6557] ? device_driver_attach+0x210/0x210
[ 70.339274][ T6557] ? kobject_uevent_env+0x2bb/0x1650
[ 70.344591][ T6557] bus_probe_device+0x1e4/0x290
[ 70.349532][ T6557] device_add+0xc35/0x21b0
[ 70.354115][ T6557] ? lockdep_init_map_type+0x2c3/0x7b0
[ 70.359606][ T6557] ? lockdep_init_map_type+0x2c3/0x7b0
[ 70.365085][ T6557] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0
[ 70.371337][ T6557] ? __raw_spin_lock_init+0x36/0x110
[ 70.376633][ T6557] new_device_store+0x48b/0x770
[ 70.381497][ T6557] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 70.387318][ T6557] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 70.393127][ T6557] ? sysfs_file_ops+0x1c0/0x1c0
[ 70.397980][ T6557] bus_attr_store+0x72/0xa0
[ 70.402487][ T6557] ? bus_attr_show+0x90/0x90
[ 70.407198][ T6557] sysfs_kf_write+0x110/0x160
[ 70.411877][ T6557] kernfs_fop_write_iter+0x342/0x500
[ 70.417174][ T6557] new_sync_write+0x429/0x660
[ 70.421855][ T6557] ? new_sync_read+0x6e0/0x6e0
[ 70.426626][ T6557] ? lock_release+0x720/0x720
[ 70.431416][ T6557] vfs_write+0x7cf/0xae0
[ 70.435667][ T6557] ksys_write+0x12d/0x250
[ 70.439998][ T6557] ? __ia32_sys_read+0xb0/0xb0
[ 70.444764][ T6557] ? syscall_enter_from_user_mode+0x21/0x70
[ 70.450668][ T6557] do_syscall_64+0x35/0xb0
[ 70.455175][ T6557] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 70.461161][ T6557] RIP: 0033:0x7f210913d3ef
[ 70.465572][ T6557] 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
[ 70.485587][ T6557] RSP: 002b:00007fff6c20f460 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 70.494054][ T6557] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f210913d3ef
[ 70.502028][ T6557] RDX: 0000000000000003 RSI: 00007fff6c20f4b0 RDI: 0000000000000004
[ 70.509997][ T6557] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fff6c20f400
[ 70.517978][ T6557] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f21091e4971
[ 70.525955][ T6557] R13: 00007fff6c20f4b0 R14: 0000000000000000 R15: 00007fff6c20fb80
[ 70.533979][ T6557]
[ 70.537188][ T6557] Kernel Offset: disabled
[ 70.541878][ T6557] Rebooting in 86400 seconds..