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Sky9x opened this issue Apr 15, 2025 · 2 comments
Closed

Double panic causes infinite backtraces to be printed #139840

Sky9x opened this issue Apr 15, 2025 · 2 comments

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@Sky9x
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Sky9x commented Apr 15, 2025 •
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I tried this code (playground):

struct Bomb;

impl Drop for Bomb {
    fn drop(&mut self) {
        let _bomb = Bomb;
        panic!()
    }
}

fn main() {
    drop(Bomb);
}

I expected to see this happen: A double panic/panic in dtor causes the program to abort

Instead, this happened: The program never terminates and instead continues printing so many backtraces

Meta

rustc --version --verbose:

rustc 1.88.0-nightly (092a284ba 2025-04-13)
binary: rustc
commit-hash: 092a284ba0421695f2032c947765429fd7095796
commit-date: 2025-04-13
host: x86_64-unknown-linux-gnu
release: 1.88.0-nightly
LLVM version: 20.1.2

Some limited testing shows this seems to have regressed in 1.71. (Bisected to #110975)

Backtrace 

   Compiling playground v0.0.1 (/playground)
warning: function cannot return without recursing
 --> src/main.rs:4:5
  |
4 |     fn drop(&mut self) {
  |     ^^^^^^^^^^^^^^^^^^ cannot return without recursing
...
7 |     }
  |     - recursive call site
  |
  = help: a `loop` may express intention better if this is on purpose
  = note: `#[warn(unconditional_recursion)]` on by default

warning: `playground` (bin "playground") generated 1 warning
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
     Running `target/debug/playground`

thread 'main' panicked at src/main.rs:6:9:
explicit panic
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

thread 'main' panicked at src/main.rs:6:9:
explicit panic
stack backtrace:
   0:     0x5baf80f05950 - std::backtrace_rs::backtrace::libunwind::trace::h2b8934d68a0c74cb
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
   1:     0x5baf80f05950 - std::backtrace_rs::backtrace::trace_unsynchronized::h72d137991fa6eab8
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
   2:     0x5baf80f05950 - std::sys::backtrace::_print_fmt::h3e831e32e6da920b
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:66:9
   3:     0x5baf80f05950 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d42cc84fc840290
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:39:26
   4:     0x5baf80f21dd3 - core::fmt::rt::Argument::fmt::h7239af9e2199f2a8
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/rt.rs:177:76
   5:     0x5baf80f21dd3 - core::fmt::write::h5af61a909e3ec64d
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/mod.rs:1449:21
   6:     0x5baf80f03433 - std::io::Write::write_fmt::h5a7b54aa6e4a315d
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/io/mod.rs:1890:15
   7:     0x5baf80f057a2 - std::sys::backtrace::BacktraceLock::print::h555579e7396c26ac
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:42:9
   8:     0x5baf80f066ef - std::panicking::default_hook::{{closure}}::h9128866118196224
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:298:22
   9:     0x5baf80f0655a - std::panicking::default_hook::h52e9e7314e0255f6
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:325:9
  10:     0x5baf80f06fa2 - std::panicking::rust_panic_with_hook::h541791bcc774ef34
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:831:13
  11:     0x5baf80f06e3a - std::panicking::begin_panic_handler::{{closure}}::h6479a2f0137c7d19
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:704:13
  12:     0x5baf80f05e59 - std::sys::backtrace::__rust_end_short_backtrace::ha04e7c0fc61ded91
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:168:18
  13:     0x5baf80f06acd - rust_begin_unwind
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:695:5
  14:     0x5baf80ee5fa0 - core::panicking::panic_fmt::h5764ee7030b7a73d
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:75:14
  15:     0x5baf80ee6126 - core::panicking::panic_display::hc49e4276c2b5fe2c
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:261:5
  16:     0x5baf80ee6126 - core::panicking::panic_explicit::hb520e9b3eed45d82
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:234:5
  17:     0x5baf80ee67da - <playground::Bomb as core::ops::drop::Drop>::drop::panic_cold_explicit::hdf5900c20facc15e
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic.rs:88:13
  18:     0x5baf80ee6785 - <playground::Bomb as core::ops::drop::Drop>::drop::h79235d0825dee57b
                               at /playground/src/main.rs:6:9
  19:     0x5baf80ee675a - core::ptr::drop_in_place<playground::Bomb>::hc17a236dddede99a
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
  20:     0x5baf80ee6791 - <playground::Bomb as core::ops::drop::Drop>::drop::h79235d0825dee57b
                               at /playground/src/main.rs:7:5
  21:     0x5baf80ee675a - core::ptr::drop_in_place<playground::Bomb>::hc17a236dddede99a
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
  22:     0x5baf80ee66db - core::mem::drop::h0191358adb24b9b7
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:940:24
  23:     0x5baf80ee67c6 - playground::main::hd7205f2f49067222
                               at /playground/src/main.rs:11:5
  24:     0x5baf80ee674b - core::ops::function::FnOnce::call_once::hcf0c3ba9ca2afb63
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:250:5
  25:     0x5baf80ee66be - std::sys::backtrace::__rust_begin_short_backtrace::h59c34d6fdd3ba2e1
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/backtrace.rs:152:18
  26:     0x5baf80ee6691 - std::rt::lang_start::{{closure}}::hccdc22ff68b8305b
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/rt.rs:199:18
  27:     0x5baf80f01500 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h11180d46f4bd77b0
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:284:13
  28:     0x5baf80f01500 - std::panicking::try::do_call::hd4e634b5516dff98
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
  29:     0x5baf80f01500 - std::panicking::try::hb26f372c4276d7b4
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
  30:     0x5baf80f01500 - std::panic::catch_unwind::hcff84ccd1cc2f0a5
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
  31:     0x5baf80f01500 - std::rt::lang_start_internal::{{closure}}::h7f5cb21b2420f132
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/rt.rs:168:24
  32:     0x5baf80f01500 - std::panicking::try::do_call::he996326bc7b05062
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
  33:     0x5baf80f01500 - std::panicking::try::h17585bee78ecbda5
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
  34:     0x5baf80f01500 - std::panic::catch_unwind::h366ac34033c6e5d6
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
  35:     0x5baf80f01500 - std::rt::lang_start_internal::h15895544e2012228
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/rt.rs:164:5
  36:     0x5baf80ee6677 - std::rt::lang_start::h7681cd446d5ddf5f
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/rt.rs:198:5
  37:     0x5baf80ee67fe - main
  38:     0x760a6c7c51ca - <unknown>
  39:     0x760a6c7c528b - __libc_start_main
  40:     0x5baf80ee6575 - _start
  41:                0x0 - <unknown>

thread 'main' panicked at src/main.rs:6:9:
explicit panic
stack backtrace:
   0:     0x5baf80f05950 - std::backtrace_rs::backtrace::libunwind::trace::h2b8934d68a0c74cb
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
   1:     0x5baf80f05950 - std::backtrace_rs::backtrace::trace_unsynchronized::h72d137991fa6eab8
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
   2:     0x5baf80f05950 - std::sys::backtrace::_print_fmt::h3e831e32e6da920b
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:66:9
   3:     0x5baf80f05950 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d42cc84fc840290
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:39:26
   4:     0x5baf80f21dd3 - core::fmt::rt::Argument::fmt::h7239af9e2199f2a8
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/rt.rs:177:76
   5:     0x5baf80f21dd3 - core::fmt::write::h5af61a909e3ec64d
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/mod.rs:1449:21
   6:     0x5baf80f03433 - std::io::Write::write_fmt::h5a7b54aa6e4a315d
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/io/mod.rs:1890:15
   7:     0x5baf80f057a2 - std::sys::backtrace::BacktraceLock::print::h555579e7396c26ac
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:42:9
   8:     0x5baf80f066ef - std::panicking::default_hook::{{closure}}::h9128866118196224
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:298:22
   9:     0x5baf80f0655a - std::panicking::default_hook::h52e9e7314e0255f6
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:325:9
  10:     0x5baf80f06fa2 - std::panicking::rust_panic_with_hook::h541791bcc774ef34
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:831:13
  11:     0x5baf80f06e3a - std::panicking::begin_panic_handler::{{closure}}::h6479a2f0137c7d19
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:704:13
  12:     0x5baf80f05e59 - std::sys::backtrace::__rust_end_short_backtrace::ha04e7c0fc61ded91
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:168:18
  13:     0x5baf80f06acd - rust_begin_unwind
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:695:5
  14:     0x5baf80ee5fa0 - core::panicking::panic_fmt::h5764ee7030b7a73d
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:75:14
  15:     0x5baf80ee6126 - core::panicking::panic_display::hc49e4276c2b5fe2c
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:261:5
  16:     0x5baf80ee6126 - core::panicking::panic_explicit::hb520e9b3eed45d82
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:234:5
  17:     0x5baf80ee67da - <playground::Bomb as core::ops::drop::Drop>::drop::panic_cold_explicit::hdf5900c20facc15e
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic.rs:88:13
  18:     0x5baf80ee6785 - <playground::Bomb as core::ops::drop::Drop>::drop::h79235d0825dee57b
                               at /playground/src/main.rs:6:9
  19:     0x5baf80ee675a - core::ptr::drop_in_place<playground::Bomb>::hc17a236dddede99a
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
  20:     0x5baf80ee6791 - <playground::Bomb as core::ops::drop::Drop>::drop::h79235d0825dee57b
                               at /playground/src/main.rs:7:5
  21:     0x5baf80ee675a - core::ptr::drop_in_place<playground::Bomb>::hc17a236dddede99a
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
  22:     0x5baf80ee6791 - <playground::Bomb as core::ops::drop::Drop>::drop::h79235d0825dee57b
                               at /playground/src/main.rs:7:5
  23:     0x5baf80ee675a - core::ptr::drop_in_place<playground::Bomb>::hc17a236dddede99a
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
  24:     0x5baf80ee66db - core::mem::drop::h0191358adb24b9b7
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:940:24
  25:     0x5baf80ee67c6 - playground::main::hd7205f2f49067222
                               at /playground/src/main.rs:11:5
  26:     0x5baf80ee674b - core::ops::function::FnOnce::call_once::hcf0c3ba9ca2afb63
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:250:5
  27:     0x5baf80ee66be - std::sys::backtrace::__rust_begin_short_backtrace::h59c34d6fdd3ba2e1
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/backtrace.rs:152:18
  28:     0x5baf80ee6691 - std::rt::lang_start::{{closure}}::hccdc22ff68b8305b
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/rt.rs:199:18
  29:     0x5baf80f01500 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h11180d46f4bd77b0
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:284:13
  30:     0x5baf80f01500 - std::panicking::try::do_call::hd4e634b5516dff98
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
  31:     0x5baf80f01500 - std::panicking::try::hb26f372c4276d7b4
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
  32:     0x5baf80f01500 - std::panic::catch_unwind::hcff84ccd1cc2f0a5
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
  33:     0x5baf80f01500 - std::rt::lang_start_internal::{{closure}}::h7f5cb21b2420f132
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/rt.rs:168:24
  34:     0x5baf80f01500 - std::panicking::try::do_call::he996326bc7b05062
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
  35:     0x5baf80f01500 - std::panicking::try::h17585bee78ecbda5
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
  36:     0x5baf80f01500 - std::panic::catch_unwind::h366ac34033c6e5d6
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
  37:     0x5baf80f01500 - std::rt::lang_start_internal::h15895544e2012228
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/rt.rs:164:5
  38:     0x5baf80ee6677 - std::rt::lang_start::h7681cd446d5ddf5f
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/rt.rs:198:5
  39:     0x5baf80ee67fe - main
  40:     0x760a6c7c51ca - <unknown>
  41:     0x760a6c7c528b - __libc_start_main
  42:     0x5baf80ee6575 - _start
  43:                0x0 - <unknown>

thread 'main' panicked at src/main.rs:6:9:
explicit panic
stack backtrace:
   0:     0x5baf80f05950 - std::backtrace_rs::backtrace::libunwind::trace::h2b8934d68a0c74cb
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
   1:     0x5baf80f05950 - std::backtrace_rs::backtrace::trace_unsynchronized::h72d137991fa6eab8
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
   2:     0x5baf80f05950 - std::sys::backtrace::_print_fmt::h3e831e32e6da920b
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:66:9
   3:     0x5baf80f05950 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d42cc84fc840290
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:39:26
   4:     0x5baf80f21dd3 - core::fmt::rt::Argument::fmt::h7239af9e2199f2a8
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/rt.rs:177:76
   5:     0x5baf80f21dd3 - core::fmt::write::h5af61a909e3ec64d
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/mod.rs:1449:21
   6:     0x5baf80f03433 - std::io::Write::write_fmt::h5a7b54aa6e4a315d
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/io/mod.rs:1890:15
   7:     0x5baf80f057a2 - std::sys::backtrace::BacktraceLock::print::h555579e7396c26ac
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:42:9
   8:     0x5baf80f066ef - std::panicking::default_hook::{{closure}}::h9128866118196224
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:298:22
   9:     0x5baf80f0655a - std::panicking::default_hook::h52e9e7314e0255f6
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:325:9
  10:     0x5baf80f06fa2 - std::panicking::rust_panic_with_hook::h541791bcc774ef34
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:831:13
  11:     0x5baf80f06e3a - std::panicking::begin_panic_handler::{{closure}}::h6479a2f0137c7d19
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:704:13
  12:     0x5baf80f05e59 - std::sys::backtrace::__rust_end_short_backtrace::ha04e7c0fc61ded91
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:168:18
  13:     0x5baf80f06acd - rust_begin_unwind
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:695:5
  14:     0x5baf80ee5fa0 - core::panicking::panic_fmt::h5764ee7030b7a73d
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:75:14
  15:     0x5baf80ee6126 - core::panicking::panic_display::hc49e4276c2b5fe2c
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:261:5
  16:     0x5baf80ee6126 - core::panicking::panic_explicit::hb520e9b3eed45d82
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:234:5
  17:     0x5baf80ee67da - <playground::Bomb as core::ops::drop::Drop>::drop::panic_cold_explicit::hdf5900c20facc15e
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic.rs:88:13
  18:     0x5baf80ee6785 - <playground::Bomb as core::ops::drop::Drop>::drop::h79235d0825dee57b
                               at /playground/src/main.rs:6:9
  19:     0x5baf80ee675a - core::ptr::drop_in_place<playground::Bomb>::hc17a236dddede99a
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
  20:     0x5baf80ee6791 - <playground::Bomb as core::ops::drop::Drop>::drop::h79235d0825dee57b
                               at /playground/src/main.rs:7:5
  21:     0x5baf80ee675a - core::ptr::drop_in_place<playground::Bomb>::hc17a236dddede99a
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
  22:     0x5baf80ee6791 - <playground::Bomb as core::ops::drop::Drop>::drop::h79235d0825dee57b
                               at /playground/src/main.rs:7:5
  23:     0x5baf80ee675a - core::ptr::drop_in_place<playground::Bomb>::hc17a236dddede99a
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
  24:     0x5baf80ee6791 - <playground::Bomb as core::ops::drop::Drop>::drop::h79235d0825dee57b
                               at /playground/src/main.rs:7:5
  25:     0x5baf80ee675a - core::ptr::drop_in_place<playground::Bomb>::hc17a236dddede99a
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
  26:     0x5baf80ee66db - core::mem::drop::h0191358adb24b9b7
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:940:24
  27:     0x5baf80ee67c6 - playground::main::hd7205f2f49067222
                               at /playground/src/main.rs:11:5
  28:     0x5baf80ee674b - core::ops::function::FnOnce::call_once::hcf0c3ba9ca2afb63
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:250:5
  29:     0x5baf80ee66be - std::sys::backtrace::__rust_begin_short_backtrace::h59c34d6fdd3ba2e1
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/backtrace.rs:152:18
  30:     0x5baf80ee6691 - std::rt::lang_start::{{closure}}::hccdc22ff68b8305b
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/rt.rs:199:18
  31:     0x5baf80f01500 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h11180d46f4bd77b0
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:284:13
  32:     0x5baf80f01500 - std::panicking::try::do_call::hd4e634b5516dff98
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
  33:     0x5baf80f01500 - std::panicking::try::hb26f372c4276d7b4
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
  34:     0x5baf80f01500 - std::panic::catch_unwind::hcff84ccd1cc2f0a5
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
  35:     0x5baf80f01500 - std::rt::lang_start_internal::{{closure}}::h7f5cb21b2420f132
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/rt.rs:168:24
  36:     0x5baf80f01500 - std::panicking::try::do_call::he996326bc7b05062
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
  37:     0x5baf80f01500 - std::panicking::try::h17585bee78ecbda5
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
  38:     0x5baf80f01500 - std::panic::catch_unwind::h366ac34033c6e5d6
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
  39:     0x5baf80f01500 - std::rt::lang_start_internal::h15895544e2012228
                               at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/rt.rs:164:5
  40:     0x5baf80ee6677 - std::rt::lang_start::h7681cd446d5ddf5f
                               at /playground/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/rt.rs:198:5
  41:     0x5baf80ee67fe - main
  42:     0x760a6c7c51ca - <unknown>
  43:     0x760a6c7c528b - __libc_start_main
  44:     0x5baf80ee6575 - _start
  45:                0x0 - <unknown>

and on and on and on and on...
also it keeps getting longer
@Sky9x Sky9x added the C-bug Category: This is a bug. label Apr 15, 2025
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Apr 15, 2025
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@rustbot rustbot added A-backtrace Area: Backtraces A-panic Area: Panicking machinery regression-untriaged Untriaged performance or correctness regression. I-prioritize Issue: Indicates that prioritization has been requested for this issue. labels Apr 15, 2025
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You are constructing a new Bomb inside Bomp::drop, infinite recursion, not a bug.

@jieyouxu jieyouxu closed this as not planned Won't fix, can't repro, duplicate, stale Apr 15, 2025
@jieyouxu jieyouxu removed C-bug Category: This is a bug. I-prioritize Issue: Indicates that prioritization has been requested for this issue. regression-untriaged Untriaged performance or correctness regression. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. A-panic Area: Panicking machinery A-backtrace Area: Backtraces labels Apr 15, 2025
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