CVE-2022-50376

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()<br /> <br /> When insert and remove the orangefs module, there are memory leaked<br /> as below:<br /> <br /> unreferenced object 0xffff88816b0cc000 (size 2048):<br /> comm "insmod", pid 783, jiffies 4294813439 (age 65.512s)<br /> hex dump (first 32 bytes):<br /> 6e 6f 6e 65 0a 00 00 00 00 00 00 00 00 00 00 00 none............<br /> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................<br /> backtrace:<br /> [] kmalloc_trace+0x27/0xa0<br /> [] orangefs_debugfs_init.cold+0xaf/0x17f<br /> [] 0xffffffffa02780f9<br /> [] do_one_initcall+0x87/0x2a0<br /> [] do_init_module+0xdf/0x320<br /> [] load_module+0x2f98/0x3330<br /> [] __do_sys_finit_module+0x113/0x1b0<br /> [] do_syscall_64+0x35/0x80<br /> [] entry_SYSCALL_64_after_hwframe+0x46/0xb0<br /> <br /> Use the golbal variable as the buffer rather than dynamic allocate to<br /> slove the problem.