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Author SHA1 Message Date
Justin Braben
f14b1733d7
Merge c9facf0ba3 into f845fa04a0 2024-11-20 20:48:45 -08:00
Alex Rønne Petersen
f845fa04a0 std.debug: Gracefully handle process_vm_readv() EPERM in MemoryAccessor.read().
Closes #21815.
2024-11-20 23:07:46 +01:00

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@ -48,7 +48,8 @@ fn read(ma: *MemoryAccessor, address: usize, buf: []u8) bool {
switch (linux.E.init(bytes_read)) { switch (linux.E.init(bytes_read)) {
.SUCCESS => return bytes_read == buf.len, .SUCCESS => return bytes_read == buf.len,
.FAULT => return false, .FAULT => return false,
.INVAL, .PERM, .SRCH => unreachable, // own pid is always valid .INVAL, .SRCH => unreachable, // own pid is always valid
.PERM => {}, // Known to happen in containers.
.NOMEM => {}, .NOMEM => {},
.NOSYS => {}, // QEMU is known not to implement this syscall. .NOSYS => {}, // QEMU is known not to implement this syscall.
else => unreachable, // unexpected else => unreachable, // unexpected