Kernel panic when stopped and dead threads receive SIGCONT

[greatbridf]

info : deploying busybox...
info : done
/ # cat
^Z[1]+  Stopped                    cat
/ # 
/ # fg
[kernel:fatal] panicked at crates/eonix_runtime/src/task.rs:112:22
[kernel:fatal] 
[kernel:fatal] internal error: entered unreachable code: Waking a 2147483648 task
[kernel:fatal] --------------8< CUT HERE 8<--------------
[kernel:fatal] Stacktrace:
[kernel:fatal] 
[kernel:fatal]    1: 0xffffffff80362784 - <unknown> at function 0xffffffff80362762
[kernel:fatal]    2: 0xffffffff802a92d2 - <unknown> at function 0xffffffff802a9264
[kernel:fatal]    3: 0xffffffff80354b30 - <unknown> at function 0xffffffff80354b24
[kernel:fatal]    4: 0xffffffff80354c5e - <unknown> at function 0xffffffff80354b38
[kernel:fatal]    5: 0xffffffff80367b76 - <unknown> at function 0xffffffff80367b58
[kernel:fatal]    6: 0xffffffff80358350 - <unknown> at function 0xffffffff803582e0
[kernel:fatal]    7: 0xffffffff80358076 - <unknown> at function 0xffffffff80358062
[kernel:fatal]    8: 0xffffffff8028c998 - <unknown> at function 0xffffffff8028c968
[kernel:fatal]    9: 0xffffffff8028c9b0 - <unknown> at function 0xffffffff8028c99e
[kernel:fatal]   10: 0xffffffff803283f2 - <unknown> at function 0xffffffff803283da
[kernel:fatal]   11: 0xffffffff80349736 - <unknown> at function 0xffffffff803496f6
[kernel:fatal]   12: 0xffffffff803522e0 - <unknown> at function 0xffffffff803522d0
[kernel:fatal]   13: 0xffffffff802209f6 - <unknown> at function 0xffffffff802209d8
[kernel:fatal]   14: 0xffffffff80341646 - <unknown> at function 0xffffffff80341548
[kernel:fatal]   15: 0xffffffff80340ee0 - <unknown> at function 0xffffffff80340eb2
[kernel:fatal]   16: 0xffffffff80347870 - <unknown> at function 0xffffffff80347860
[kernel:fatal]   17: 0xffffffff8031dd86 - <unknown> at function 0xffffffff8031dd1c
[kernel:fatal]   18: 0xffffffff80216eba - <unknown> at function 0xffffffff80216e4e
[kernel:fatal]   19: 0xffffffff8022c2e0 - <unknown> at function 0xffffffff8022bf4c
[kernel:fatal]   20: 0xffffffff80228252 - <unknown> at function 0xffffffff8022818a
[kernel:fatal]   21: 0xffffffff8028b720 - <unknown> at function 0xffffffff8028b6fc
[kernel:fatal]   22: 0xffffffff802cd05c - <unknown> at function 0xffffffff802ccf2a
[kernel:fatal]   23: 0xffffffff802cd410 - <unknown> at function 0xffffffff802cd26c
[kernel:fatal]   24: 0xffffffff8023a268 - <unknown> at function 0xffffffff8023a1d4
[kernel:fatal]   25: 0x0000000000000000 - <unknown> at function 0x0000000000000000
[kernel:fatal] --------------8< CUT HERE 8<--------------

Parsed stacktrace:

==========    1 ==========
/Users/david/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/unwinding-0.2.8/src/unwinder/mod.rs:43
/Users/david/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/unwinding-0.2.8/src/unwinder/mod.rs:396
==========    2 ==========
/Users/david/Codes/greatbridf_os/src/panic.rs:32
==========    3 ==========
/Users/david/Codes/greatbridf_os/src/lib.rs:63
==========    4 ==========
/Users/david/Codes/greatbridf_os/src/lib.rs:145
==========    5 ==========
/Users/david/.rustup/toolchains/nightly-2026-01-09-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/ub_checks.rs:68
==========    6 ==========
/Users/david/.rustup/toolchains/nightly-2026-01-09-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/fmt/mod.rs:2398
/Users/david/.rustup/toolchains/nightly-2026-01-09-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/fmt/num.rs:86
==========    7 ==========
aevmt04gz7iknzci3pp3oq3zn:?
==========    8 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task.rs:124
==========    9 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task.rs:127
==========   10 ==========
/Users/david/.rustup/toolchains/nightly-2026-01-09-aarch64-apple-darwin/lib/rustlib/src/rust/library/alloc/src/task.rs:198
==========   11 ==========
/Users/david/.rustup/toolchains/nightly-2026-01-09-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/task/wake.rs:449
==========   12 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task/signal.rs:87
==========   13 ==========
/Users/david/.rustup/toolchains/nightly-2026-01-09-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/option.rs:1165
==========   14 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task/signal.rs:87
==========   15 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task/signal.rs:174
==========   16 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task/thread.rs:320
==========   17 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task/process.rs:364
==========   18 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task/process_group.rs:119
==========   19 ==========
/Users/david/Codes/greatbridf_os/src/kernel/syscall/procops.rs:543
==========   20 ==========
/Users/david/Codes/greatbridf_os/src/kernel/syscall/procops.rs:522
==========   21 ==========
/Users/david/.rustup/toolchains/nightly-2026-01-09-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/future/future.rs:134
==========   22 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task/thread.rs:378
==========   23 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task/thread.rs:489
==========   24 ==========
/Users/david/Codes/greatbridf_os/src/kernel/task.rs:139
==========   25 ==========
??:0

Needs further check whether the thread is dead or there's something else going wrong.