CVE-2022-48659

In the Linux kernel, the following vulnerability has been resolved:

mm/slub: fix to return errno if kmalloc() fails

In createuniqueid(), kmalloc(, GFPKERNEL) can fail due to out-of-memory, if it fails, return errno correctly rather than triggering panic via BUGON();

kernel BUG at mm/slub.c:5893! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP

Call trace: sysfsslabadd+0x258/0x260 mm/slub.c:5973 _kmemcachecreate+0x60/0x118 mm/slub.c:4899 createcache mm/slabcommon.c:229 [inline] kmemcachecreateusercopy+0x19c/0x31c mm/slabcommon.c:335 kmemcachecreate+0x1c/0x28 mm/slabcommon.c:390 f2fskmemcachecreate fs/f2fs/f2fs.h:2766 [inline] f2fsinitxattrcaches+0x78/0xb4 fs/f2fs/xattr.c:808 f2fsfillsuper+0x1050/0x1e0c fs/f2fs/super.c:4149 mountbdev+0x1b8/0x210 fs/super.c:1400 f2fsmount+0x44/0x58 fs/f2fs/super.c:4512 legacygettree+0x30/0x74 fs/fscontext.c:610 vfsgettree+0x40/0x140 fs/super.c:1530 donewmount+0x1dc/0x4e4 fs/namespace.c:3040 pathmount+0x358/0x914 fs/namespace.c:3370 domount fs/namespace.c:3383 [inline] _dosysmount fs/namespace.c:3591 [inline] _sesysmount fs/namespace.c:3568 [inline] _arm64sysmount+0x2f8/0x408 fs/namespace.c:3568