Comments (5)
Can you rerun with 12398d3 ?
I assume this doesn't happen with rr replay -a
?
from rr.
Thanks for having a look, rr replay -a
works without issue.
The issue just shows up in reverse execution:
[FATAL src/ReplaySession.cc:1322:apply_mprotect_records()]
(task 3320325 (rec:3320256) at time 227)
-> Assertion `r.start == recorded_r.start && r.size == recorded_r.size && r.prot == recorded_r.prot' failed to hold. Mismatched mprotect record 5: recorded 0x7ff1413d0000,0x1000,r--, got 0,0,---
Attached file shows the steps of the test done manually, with 12398d3.
dlopen_apply_mprotect_records_5.7.0-124-g12398d35.txt
from rr.
Seems like a problem that mprotect_record_count_completed
is 6 but the last record in the syscallbuf has not been written.
from rr.
OK I found a way to reproduce this or something like it.
from rr.
Thanks, with this I cannot see the issue with the dlopen test any longer.
from rr.
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