CVE-2024-42296

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

f2fs: fix return value of f2fsconvertinline_inode()

If device is readonly, make f2fsconvertinline_inode() return EROFS instead of zero, otherwise it may trigger panic during writeback of inline inode's dirty page as below:

f2fswritesingledatapage+0xbb6/0x1e90 fs/f2fs/data.c:2888 f2fswritecache_pages fs/f2fs/data.c:3187 [inline] __f2fswritedatapages fs/f2fs/data.c:3342 [inline] f2fswritedatapages+0x1efe/0x3a90 fs/f2fs/data.c:3369 dowritepages+0x359/0x870 mm/page-writeback.c:2634 filemapfdatawrite_wbc+0x125/0x180 mm/filemap.c:397 _filemapfdatawriterange mm/filemap.c:430 [inline] filewriteandwaitrange+0x1aa/0x290 mm/filemap.c:788 f2fsdosyncfile+0x68a/0x1ae0 fs/f2fs/file.c:276 genericwritesync include/linux/fs.h:2806 [inline] f2fsfilewriteiter+0x7bd/0x24e0 fs/f2fs/file.c:4977 callwriteiter include/linux/fs.h:2114 [inline] newsyncwrite fs/readwrite.c:497 [inline] vfswrite+0xa72/0xc90 fs/readwrite.c:590 ksyswrite+0x1a0/0x2c0 fs/readwrite.c:643 dosyscallx64 arch/x86/entry/common.c:52 [inline] dosyscall64+0xf5/0x240 arch/x86/entry/common.c:83 entrySYSCALL64afterhwframe+0x77/0x7f