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Final-level Sv39 PTE with W=1,R=0 is accepted for store instead of raising store page fault

Status: Open.

#266In OSCPU/NutShell;

· jf-cc727 opened on Jun 23, 2026

Misaligned Sv39 1 GiB superpage leaf is accepted instead of raising load page fault

Status: Open.

#265In OSCPU/NutShell;

· jf-cc727 opened on Jun 23, 2026

PTW PTE-access faults are misreported as load page faults

Status: Open.

#264In OSCPU/NutShell;

· jf-cc727 opened on Jun 23, 2026

csrr minstret exposes a one-instruction-stale retired count

Status: Open.

#263In OSCPU/NutShell;

· jf-cc727 opened on Jun 23, 2026

Sv39-translated U-mode store to an inaccessible physical address retires without Store/AMO access fault

Status: Open.

#262In OSCPU/NutShell;

· jf-cc727 opened on Jun 23, 2026

mtvec readback retains upper BASE bits that are silently truncated on trap entry

Status: Open.

#261In OSCPU/NutShell;

· jf-cc727 opened on Jun 23, 2026

Explicit writes to minstret lose to the automatic retirement update

Status: Open.

#260In OSCPU/NutShell;

· jf-cc727 opened on Jun 23, 2026

Missing documentation for NOOP_HOME environment variable

Status: Open.

#256In OSCPU/NutShell;

· zlh20040308 opened on Jan 6, 2026

TSR=1, SRET executed in S-mode does not raise an exception

Status: Open.

#254In OSCPU/NutShell;

· fly-1011 opened on Dec 11, 2025

TVM=1, SFENCE.VMA in S-mode does not raise an exception

Status: Open.

#253In OSCPU/NutShell;

· fly-1011 opened on Dec 11, 2025

MRET/SRET Do Not Clear MPRV When Returning to a Less-Privileged Mode

Status: Open.

#252In OSCPU/NutShell;

· fly-1011 opened on Dec 10, 2025

Executing SRET in Lower-Privilege Mode Does Not Raise an Exception

Status: Open.

#251In OSCPU/NutShell;

· fly-1011 opened on Dec 10, 2025