Ubuntu
qemu package

  1. Bug #1929926
  2. Comment #0

Comment 0 for bug 1929926

Revision history for this message
bugproxy (bugproxy) wrote :

--Problem Description---
Using an uretprobe in QEMU without hardware acceleration causes a SIGSEGV.

---uname output---
na

Machine Type = na

---Debugger---
A debugger is not configured

---Steps to Reproduce---
 Run attach_probe eBPF testcase in QEMU.

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/bpf/prog_tests/attach_probe.c?h=v5.12#n73

Userspace tool common name: na
The userspace tool has the following bit modes: 64-bit
Userspace rpm: na
Userspace tool obtained from project website: na

Fix: https://git.qemu.org/?p=qemu.git;a=commit;h=86131c71b13257e095d8c4f4453d52cbc6553c07

Package qemu
    focal (20.04LTS) 1:4.2-3ubuntu6.14
    groovy (20.10) 1:5.0-5ubuntu9.6
    hirsute (21.04) 1:5.2+dfsg-9ubuntu2
    impish (metapackages): 1:5.2+dfsg-9ubuntu3

It would be good to have this fix in 20.04 and the later ones.

The patch applies cleanly to all levels.