build --watch panics on debian linux (name_to_handle_at returns .INVAL) #20720
Description
Zig Version
0.14.0-dev.367+a57479afc
Steps to Reproduce and Observed Behavior
❯ uname -srm
Linux 6.1.0-22-amd64 x86_64
❯ zig-dev version
0.14.0-dev.367+a57479afc
❯ zig-dev build test --watch
Build Summary: 3/3 steps succeeded
test success
└─ run test-recover success 478us MaxRSS:1M
thread 487331 panic: reached unreachable code
/home/din/zig/master/lib/std/posix.zig:7318:19: 0x112fb98 in name_to_handle_atZ (build)
.INVAL => unreachable, // bad flags, or handle_bytes too big
^
/home/din/zig/master/lib/std/posix.zig:7305:30: 0x10f6bf7 in name_to_handle_at (build)
return name_to_handle_atZ(dirfd, &pathname_c, handle, mount_id, flags);
^
/home/din/zig/master/lib/std/Build/Watch.zig:101:40: 0x10f677e in getDirHandle (build)
try posix.name_to_handle_at(path.root_dir.handle.fd, adjusted_path, stack_ptr, &mount_id, std.os.linux.AT.HANDLE_FID);
^
/home/din/zig/master/lib/std/Build/Watch.zig:161:67: 0x10fcc3c in update (build)
const dir_handle = try Os.getDirHandle(gpa, path);
^
/home/din/zig/master/lib/std/Build/Watch.zig:323:35: 0x10fda98 in update (build)
.linux => return Os.update(w, gpa, steps),
^
/home/din/zig/master/lib/compiler/build_runner.zig:405:21: 0x110363f in main (build)
try w.update(gpa, run.step_stack.keys());
^
/home/din/zig/master/lib/std/start.zig:532:37: 0x10de985 in posixCallMainAndExit (build)
const result = root.main() catch |err| {
^
/home/din/zig/master/lib/std/start.zig:277:5: 0x10de4a1 in _start (build)
asm volatile (switch (native_arch) {
^
???:?:?: 0xa in ??? (???)
Unwind information for `???:0xa` was not available, trace may be incomplete
error: the following build command crashed:
/home/din/src/zig-recover/.zig-cache/o/a1ff0bdedd6e79a7f0ca2eeccf2c252c/build /home/din/zig/master/zig /home/din/zig/master/lib /home/din/src/zig-recover /home/din/src/zig-recover/.zig-cache /home/din/.cache/zig --seed 0xa2fd6fbd -Z7be4afe0b650cc74 test --watch
Expected Behavior
Not expecting a panic. Expecting to watch and run tests when dependencies change.