On Tue, 11 Feb 2025 10:32:55 +0100 "Arnd Bergmann" <arnd@xxxxxxxx> wrote: > On Tue, Feb 11, 2025, at 10:23, Naresh Kamboju wrote: > > Regressions on arm64 Juno-r2 device while running LTP syscalls tests > > madvise01 warnings on the Linux next-20250210 tag. > > > > First seen on next-20250210 > > Good: next-20250207 > > Bad: next-20250210 > > Cc SeongJae Park <sj@xxxxxxxxxx> [...] > This is mmap_write_unlock() triggering > rwsem_assert_held_write(&mm->mmap_lock); > > That code was changed in these commits: > > 415553982a1e mm-madvise-remove-redundant-mmap_lock-operations-from-process_madvise-fix > ec68fbd9e99f mm/madvise: remove redundant mmap_lock operations from process_madvise() > f19c9d7b57cf mm/madvise: split out madvise() behavior execution > a4d5a73cdc14 mm/madvise: split out madvise input validity check > 948a0a9ea070 mm/madvise: split out mmap locking operations for madvise() > > You could try reverting them to see if that fixes it again. Thank you for kindly Cc-ing me and further providing this nice information, Arnd! I posted a fix and continuing discussion there: https://lore.kernel.org/20250211063201.5106-1-sj@xxxxxxxxxx Thanks, SJ [...]
