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LU-17336 gss: fix __user pointer in rsi_upcall_seq_write 42/53342/2
authorSebastien Buisson <sbuisson@ddn.com>
Wed, 6 Dec 2023 08:15:18 +0000 (09:15 +0100)
committerSebastien Buisson <sbuisson@ddn.com>
Wed, 6 Dec 2023 10:04:20 +0000 (11:04 +0100)
commit523ffed1cb43eec5fac38c144967026308da9cad
tree188024cae223c06a7a3246c1eb9883bcf8d271c7
parentde352465eb6a02aeb20357208c54e903585e12e3
LU-17336 gss: fix __user pointer in rsi_upcall_seq_write

rsi_upcall_seq_write() uses sscanf to get the string passed from
userspace, but this needs to be copied to a kernel buffer first.

Test-Parameters: trivial
Test-Parameters: kerberos=true testlist=sanity-krb5
Test-Parameters: testgroup=review-dne-selinux-ssk-part-2
Signed-off-by: Sebastien Buisson <sbuisson@ddn.com>
Change-Id: I2ec875b7c6c158695857fe912ec1dd9f41ddc25d
lustre/ptlrpc/gss/lproc_gss.c