In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to prevent this issue.
https://git.kernel.org/stable/c/614a61e1592051cc42d3c38f899c9f7bdaad8a1d
https://git.kernel.org/stable/c/413d8fefafe531a9442bb623e3fe292a38f88d65
https://git.kernel.org/stable/c/2764af8ce0bf03cc43ee4a11897cab96bde6caae
https://git.kernel.org/stable/c/184416d4b98509fb4c3d8fc3d6dc1437896cc159