At r261576 an lld-linked hello world segfaults at program termination: % clang -fuse-ld=lld -static hello.c % ./a.out Hello, world. zsh: segmentation fault (core dumped) ./a.out The the .dtors section in my hello world: % readelf -S a.out | grep -A1 dtors [15] .dtors PROGBITS 0000000000074028 00064030 0000000000000018 0000000000000000 WA 0 0 8 % readelf -x .dtors a.out Hex dump of section '.dtors': 0x00074028 ffffffff ffffffff e0be0600 00000000 ................ 0x00074038 00000000 00000000 ........ But when running: (lldb) memory read --size 8 --format hex 0x74028 0x00074028: 0x0000000000000000 0xffffffffffffffff 0x00074038: 0x000000000006bee0 0x0000000000000000 0x00074048: 0x0000000000000000 0x0000000000000000 0x00074058: 0x0000000000000000 0x0000000000000000 The program & section headers disagree Nearby section headers: [10] .init PROGBITS 0000000000073de8 00063de8 0000000000000013 0000000000000000 AX 0 0 4 [11] .fini PROGBITS 0000000000073dfc 00063dfc 000000000000000e 0000000000000000 AX 0 0 4 [12] .tdata PROGBITS 0000000000074000 00064000 0000000000000004 0000000000000000 WAT 0 0 4 [13] .tbss NOBITS 0000000000074010 00064010 0000000000000068 0000000000000000 WAT 0 0 16 [14] .ctors PROGBITS 0000000000074008 00064010 0000000000000020 0000000000000000 WA 0 0 8 [15] .dtors PROGBITS 0000000000074028 00064030 0000000000000018 0000000000000000 WA 0 0 8 [16] .jcr PROGBITS 0000000000074040 00064048 0000000000000008 0000000000000000 WA 0 0 8 [17] .data PROGBITS 0000000000075000 00065000 0000000000003460 0000000000000000 WA 0 0 16 [18] .bss NOBITS 0000000000078460 00068460 000000000001d77d 0000000000000000 WA 0 0 16 % readelf -l a.out.lld Elf file type is EXEC (Executable file) Entry point 0x23000 There are 7 program headers, starting at offset 64 Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flags Align PHDR 0x0000000000000040 0x0000000000010040 0x0000000000010040 0x0000000000000188 0x0000000000000188 R 8 LOAD 0x0000000000000000 0x0000000000010000 0x0000000000010000 0x00000000000128a0 0x00000000000128a0 R 1000 LOAD 0x0000000000013000 0x0000000000023000 0x0000000000023000 0x0000000000050e0a 0x0000000000050e0a R E 1000 LOAD 0x0000000000064000 0x0000000000074000 0x0000000000074000 0x0000000000004460 0x0000000000021bdd RW 1000 TLS 0x0000000000064000 0x0000000000074000 0x0000000000074000 0x0000000000000010 0x0000000000000080 R 10 GNU_RELRO 0x0000000000064000 0x0000000000074000 0x0000000000074000 0x0000000000000050 0x0000000000000048 R 1 GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000000 RW 0 Section to Segment mapping: Segment Sections... 00 01 .note.tag .rodata .eh_frame .rodata .rodata .rodata .rodata .rodata 02 .text .init .fini 03 .tdata .ctors .dtors .jcr .data .bss 04 .tdata .tbss 05 .ctors .dtors .jcr 06
Fixed in r261667.