Hello:
This patch was applied to riscv/linux.git (fixes) by Alexandre Ghiti alexghiti@rivosinc.com:
On Sun, 4 May 2025 12:19:20 +0200 you wrote:
When userspace does PR_SET_TAGGED_ADDR_CTRL, but Supm extension is not available, the kernel crashes:
Oops - illegal instruction [#1] [snip] epc : set_tagged_addr_ctrl+0x112/0x15a ra : set_tagged_addr_ctrl+0x74/0x15a epc : ffffffff80011ace ra : ffffffff80011a30 sp : ffffffc60039be10 [snip] status: 0000000200000120 badaddr: 0000000010a79073 cause: 0000000000000002 set_tagged_addr_ctrl+0x112/0x15a __riscv_sys_prctl+0x352/0x73c do_trap_ecall_u+0x17c/0x20c andle_exception+0x150/0x15c
[...]
Here is the summary with links: - riscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL https://git.kernel.org/riscv/c/ae08d55807c0
You are awesome, thank you!