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Diffstat (limited to 'gitlab/issues/target_arm/host_missing/accel_missing/2333.toml')
| -rw-r--r-- | gitlab/issues/target_arm/host_missing/accel_missing/2333.toml | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/gitlab/issues/target_arm/host_missing/accel_missing/2333.toml b/gitlab/issues/target_arm/host_missing/accel_missing/2333.toml deleted file mode 100644 index 95e4cd6d6..000000000 --- a/gitlab/issues/target_arm/host_missing/accel_missing/2333.toml +++ /dev/null @@ -1,53 +0,0 @@ -id = 2333 -title = "VDSO on armeb seems broken" -state = "closed" -created_at = "2024-05-07T23:20:27.725Z" -closed_at = "2024-11-16T21:18:19.592Z" -labels = ["Closed::Fixed", "linux-user", "target: arm"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2333" -host-os = "n/a" -host-arch = "n/a" -qemu-version = "n/a" -guest-os = "n/a" -guest-arch = "n/a" -description = """I'm seeing the VDSO method for `__clock_gettime64()` crashing under `qemu-armeb` (stack trace under Additional information, below). - -I rebuilt glibc with VDSO globally kludged off, and all was well.""" -reproduce = """``` -#include <time.h> -#include <stdlib.h> -#include <stdio.h> - -int main(int argc, char **argv) { - time_t ts; - printf("%ld\\n", time(&ts)); - exit(0); -} -``` - -Results, first with VDSO active via a system snapshot, second with the patched glibc: -``` -$ armeb-linux-gnueabihf-gcc -o /tmp/time /tmp/time.c -$ qemu-armeb -L /.mirrorsnaps/.rootsnap.prev/usr/armeb-linux-gnueabihf /tmp/time -qemu: uncaught target signal 11 (Segmentation fault) - core dumped -Segmentation fault -$ qemu-armeb -L /usr/armeb-linux-gnueabihf /tmp/time -1715123280 -```""" -additional = """``` -Program received signal SIGSEGV, Segmentation fault. -0x4082b462 in ?? () -(gdb) bt -#0 0x4082b462 in ?? () -#1 0x40bf64a4 in __GI___clock_gettime64 (clock_id=clock_id@entry=5, tp=tp@entry=0x407fe9c0) - at ../sysdeps/unix/sysv/linux/clock_gettime.c:42 -#2 0x40be9f58 in __GI___time64 (timer=0x0) at ../sysdeps/unix/sysv/linux/time.c:60 -#3 __time (timer=0x407fea04) at ../sysdeps/unix/sysv/linux/time.c:73 -``` - -`clock_gettime.c:42` is -``` - r = INTERNAL_VSYSCALL_CALL (vdso_time64, 2, clock_id, tp); -``` - -Interestingly, the problem doesn't occur on qemu-arm (little endian), all else equal.""" |