DUID 00:04:b3:a3:1d:bd:1c:51:b3:31:90:57:55:31:74:bf:f9:06 forked to background, child pid 4639 [ 13.041350][ T4640] 8021q: adding VLAN 0 to HW filter on device bond0 [ 13.045187][ T4640] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 69.863249][ T72] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. [ 343.789935][ T5095] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 343.797216][ T5095] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 343.804223][ T5095] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 343.811477][ T5095] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 343.818684][ T5095] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 343.825740][ T5095] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 343.851903][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 343.859881][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 343.869129][ T4725] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 343.878498][ T42] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 343.886372][ T42] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 343.893755][ T5098] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 345.862319][ T5095] Bluetooth: hci0: command 0x0409 tx timeout [ 347.942281][ T5095] Bluetooth: hci0: command 0x041b tx timeout executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 350.022412][ T5095] Bluetooth: hci0: command 0x040f tx timeout [ 352.102307][ T5095] Bluetooth: hci0: command 0x0419 tx timeout executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 377.063056][ T1209] ieee802154 phy0 wpan0: encryption failed: -22 [ 377.069343][ T1209] ieee802154 phy1 wpan1: encryption failed: -22 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 379.641136][ T5172] udevd[5172]: setting mode of /dev/gsmtty43 to 020600 failed: No such file or directory [ 379.651703][ T5172] udevd[5172]: setting owner of /dev/gsmtty43 to uid=0, gid=0 failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 410.801002][ T5231] udevd[5231]: setting mode of /dev/gsmtty24 to 020600 failed: No such file or directory [ 410.810929][ T5231] udevd[5231]: setting owner of /dev/gsmtty24 to uid=0, gid=0 failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory executing program [ 438.512798][ T1209] ieee802154 phy0 wpan0: encryption failed: -22 [ 438.519111][ T1209] ieee802154 phy1 wpan1: encryption failed: -22 [ 438.555790][ T5291] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1' [ 438.564345][ T5291] CPU: 0 PID: 5291 Comm: syz-executor147 Not tainted 6.3.0-rc3-syzkaller-00322-g4bdec23f971b #0 [ 438.574767][ T5291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 438.584823][ T5291] Call Trace: [ 438.588099][ T5291] [ 438.591032][ T5291] dump_stack_lvl+0x72/0xa0 [ 438.595578][ T5291] sysfs_warn_dup+0x65/0x80 [ 438.600099][ T5291] sysfs_create_dir_ns+0x11a/0x130 [ 438.605199][ T5291] kobject_add_internal+0x106/0x380 [ 438.610381][ T5291] kobject_add+0xb9/0x130 [ 438.614693][ T5291] ? kobject_get+0x7f/0xe0 [ 438.619090][ T5291] device_add+0x1ad/0xc80 [ 438.623403][ T5291] tty_register_device_attr+0x155/0x300 [ 438.628933][ T5291] ? __kfifo_alloc+0xd0/0x100 [ 438.633593][ T5291] ? init_timer_key+0x4c/0x100 [ 438.638342][ T5291] ? tty_buffer_init+0x24/0xa0 [ 438.643099][ T5291] gsmld_ioctl+0x680/0x910 [ 438.647498][ T5291] ? gsmld_close+0xf0/0xf0 [ 438.651894][ T5291] tty_ioctl+0x521/0xd00 [ 438.656475][ T5291] ? do_vfs_ioctl+0xa0/0xc70 [ 438.661138][ T5291] ? xfd_validate_state+0x3e/0xe0 [ 438.666149][ T5291] ? __fget_light.part.0+0x12b/0x1a0 [ 438.671510][ T5291] ? tty_release_struct+0x90/0x90 [ 438.676536][ T5291] __x64_sys_ioctl+0x100/0x140 [ 438.681296][ T5291] do_syscall_64+0x39/0xb0 [ 438.685694][ T5291] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 438.691581][ T5291] RIP: 0033:0x7fdd1c6c1149 [ 438.695975][ T5291] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 438.716627][ T5291] RSP: 002b:00007fdd1be451f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 438.725028][ T5291] RAX: ffffffffffffffda RBX: 00007fdd1c768278 RCX: 00007fdd1c6c1149 [ 438.732977][ T5291] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000004 [ 438.740928][ T5291] RBP: 00007fdd1c768270 R08: 0000000000000000 R09: 0000000000000000 [ 438.748882][ T5291] R10: 000000000000000e R11: 0000000000000246 R12: 00007fdd1c76827c write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 438.756922][ T5291] R13: 00007ffe10f598af R14: 00007fdd1be45300 R15: 0000000000022000 [ 438.764876][ T5291] [ 438.768651][ T5291] kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory. executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 444.954595][ T5093] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888109b99800 (size 1024): comm "syz-executor147", pid 5282, jiffies 4294981120 (age 12.540s) hex dump (first 32 bytes): 00 24 a0 0a 81 88 ff ff 00 00 00 00 00 00 00 00 .$.............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc_trace+0x24/0x90 [] gsm_dlci_alloc+0x27/0x1f0 [] gsmld_ioctl+0x5c3/0x910 [] tty_ioctl+0x521/0xd00 [] __x64_sys_ioctl+0x100/0x140 [] do_syscall_64+0x39/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory