Description: riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe
References:
Notes:
 carnil> Introduced in c22b0bcb1dd02 ("riscv: Add kprobes supported"). Vulnerable
 carnil> versions: 5.12-rc1.
Bugs:
upstream: released (5.13-rc1) [b1ebaa0e1318494a7637099a26add50509e37964]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: N/A "Vulnerable code not present"
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"