linux/lib/crypto/mpi, branch v6.7Mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/
https://git.shady.money/linux/atom?h=v6.72023-08-11T11:19:52Zcrypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui()2023-08-11T11:19:52ZMark O'Donovanshiftee@posteo.net2023-08-04T09:32:18Zurn:sha1:9e47a758b70167c9301d2b44d2569f86c7796f2d
During NVMeTCP Authentication a controller can trigger a kernel
oops by specifying the 8192 bit Diffie Hellman group and passing
a correctly sized, but zeroed Diffie Hellamn value.
mpi_cmp_ui() was detecting this if the second parameter was 0,
but 1 is passed from dh_is_pubkey_valid(). This causes the null
pointer u->d to be dereferenced towards the end of mpi_cmp_ui()
Signed-off-by: Mark O'Donovan <shiftee@posteo.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: lib - Move mpi into lib/crypto2023-08-11T11:19:27ZHerbert Xuherbert@gondor.apana.org.au2023-08-04T09:24:34Zurn:sha1:2a598d0b2800aa23ba51adcf060cec524aaa63b2
As lib/mpi is mostly used by crypto code, move it under lib/crypto
so that patches touching it get directed to the right mailing list.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>