Warning: Permanently added '10.128.0.134' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 105.173102][ T5029] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program executing program [ 119.313635][ T5070] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty129' [ 119.322817][ T5070] CPU: 1 PID: 5070 Comm: syz-executor124 Not tainted 6.5.0-rc2-syzkaller-00345-gc2782531397f #0 [ 119.333254][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 119.343305][ T5070] Call Trace: [ 119.346592][ T5070] [ 119.349788][ T5070] dump_stack_lvl+0x72/0xa0 [ 119.354338][ T5070] sysfs_warn_dup+0x64/0x70 [ 119.358862][ T5070] sysfs_create_dir_ns+0x123/0x140 [ 119.364003][ T5070] kobject_add_internal+0x104/0x370 [ 119.369235][ T5070] kobject_add+0xd0/0x140 [ 119.373590][ T5070] device_add+0x147/0xca0 [ 119.377933][ T5070] tty_register_device_attr+0x16b/0x310 [ 119.383731][ T5070] gsmld_ioctl+0x5c6/0xb70 [ 119.388177][ T5070] ? gsm_dlci_config.part.0+0x580/0x580 [ 119.393794][ T5070] tty_ioctl+0x3f1/0xc50 [ 119.398044][ T5070] ? do_vfs_ioctl+0x24c/0xe70 [ 119.402737][ T5070] ? send_break+0x1c0/0x1c0 [ 119.407247][ T5070] __x64_sys_ioctl+0xf2/0x140 [ 119.411937][ T5070] do_syscall_64+0x38/0xb0 [ 119.416370][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 119.422280][ T5070] RIP: 0033:0x7f1212765349 [ 119.426699][ T5070] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 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 b0 ff ff ff f7 d8 64 89 01 48 [ 119.446422][ T5070] RSP: 002b:00007f12126fd238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 119.454843][ T5070] RAX: ffffffffffffffda RBX: 00007f12128083f8 RCX: 00007f1212765349 [ 119.462842][ T5070] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000003 [ 119.470814][ T5070] RBP: 00007f12128083f0 R08: 00007ffc14ce8477 R09: 00007f12126fd6c0 [ 119.478778][ T5070] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f12127b50d4 [ 119.486764][ T5070] R13: 000000000000006e R14: 00007ffc14ce8390 R15: 00007ffc14ce8478 [ 119.494734][ T5070] [ 119.523262][ T5070] kobject: kobject_add_internal failed for gsmtty129 with -EEXIST, don't try to register things with the same name in the same directory. executing program executing program executing program [ 126.502116][ T5026] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811206f400 (size 1024): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 21.200s) hex dump (first 32 bytes): 00 fc 06 12 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+0x25/0x90 [] gsm_dlci_alloc+0x27/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810afe7000 (size 4096): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 21.200s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 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+0x48/0x150 [] __kfifo_alloc+0x89/0xe0 [] gsm_dlci_alloc+0x71/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88811206f400 (size 1024): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 22.410s) hex dump (first 32 bytes): 00 fc 06 12 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+0x25/0x90 [] gsm_dlci_alloc+0x27/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810afe7000 (size 4096): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 22.410s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 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+0x48/0x150 [] __kfifo_alloc+0x89/0xe0 [] gsm_dlci_alloc+0x71/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88811206f400 (size 1024): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 23.540s) hex dump (first 32 bytes): 00 fc 06 12 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+0x25/0x90 [] gsm_dlci_alloc+0x27/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810afe7000 (size 4096): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 23.540s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 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+0x48/0x150 [] __kfifo_alloc+0x89/0xe0 [] gsm_dlci_alloc+0x71/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88811206f400 (size 1024): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 24.670s) hex dump (first 32 bytes): 00 fc 06 12 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+0x25/0x90 [] gsm_dlci_alloc+0x27/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810afe7000 (size 4096): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 24.670s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 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+0x48/0x150 [] __kfifo_alloc+0x89/0xe0 [] gsm_dlci_alloc+0x71/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88811206f400 (size 1024): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 24.700s) hex dump (first 32 bytes): 00 fc 06 12 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+0x25/0x90 [] gsm_dlci_alloc+0x27/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810afe7000 (size 4096): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 24.700s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 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+0x48/0x150 [] __kfifo_alloc+0x89/0xe0 [] gsm_dlci_alloc+0x71/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88811206f400 (size 1024): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 24.740s) hex dump (first 32 bytes): 00 fc 06 12 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+0x25/0x90 [] gsm_dlci_alloc+0x27/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810afe7000 (size 4096): comm "syz-executor124", pid 5067, jiffies 4294949187 (age 24.740s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 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+0x48/0x150 [] __kfifo_alloc+0x89/0xe0 [] gsm_dlci_alloc+0x71/0x1f0 [] gsmld_ioctl+0x509/0xb70 [] tty_ioctl+0x3f1/0xc50 [] __x64_sys_ioctl+0xf2/0x140 [] do_syscall_64+0x38/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd executing program executing program