Wind River Support Network

Description

In the Linux kernel, the following vulnerability has been resolved:[EOL][EOL]FS: JFS: Fix null-ptr-deref Read in txBegin[EOL][EOL] Syzkaller reported an issue where txBegin may be called[EOL] on a superblock in a read-only mounted filesystem which leads[EOL] to NULL pointer deref. This could be solved by checking if[EOL] the filesystem is read-only before calling txBegin, and returning[EOL] with appropiate error code.