On Mon, Feb 03, 2025 at 08:58:49AM +0200, Dmitry V. Levin wrote: Hi Dmitry, > PTRACE_SET_SYSCALL_INFO is a generic ptrace API that complements > PTRACE_GET_SYSCALL_INFO by letting the ptracer modify details of > system calls the tracee is blocked in. ... FWIW, I am getting these on s390: # ./tools/testing/selftests/ptrace/set_syscall_info TAP version 13 1..1 # Starting 1 tests from 1 test cases. # RUN global.set_syscall_info ... # set_syscall_info.c:87:set_syscall_info:Expected exp_entry->nr (-1) == info->entry.nr (65535) # set_syscall_info.c:88:set_syscall_info:wait #3: PTRACE_GET_SYSCALL_INFO #2: syscall nr mismatch # set_syscall_info: Test terminated by assertion # FAIL global.set_syscall_info not ok 1 global.set_syscall_info # FAILED: 0 / 1 tests passed. # Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0 I remember one of the earlier versions (v1 or v2) was working for me. Thanks!
