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uprobes: minor fixes + name the xol vma

Oleg Nesterov lkml 1 version In review

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  1. v2 Latest3 patches 5 repliesIn review

Patches in v2 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/3uprobes: fix the usage of install_special_mapping()kernel/events/uprobes.c+8 -83 replies
1/3uprobes: fix the usage of install_special_mapping()kernel/events/uprobes.c+9 -80 replies
2/3uprobes: use vm_special_mapping to name the xol vmakernel/events/uprobes.c+20 -102 replies
2/3uprobes: use vm_special_mapping to name the xol vmakernel/events/uprobes.c+20 -100 replies
3/3uprobes: fix the waitqueue_active() check in xol_free_insn_slot()kernel/events/uprobes.c+1 -00 replies
3/3uprobes: fix the waitqueue_active() check in xol_free_insn_slot()kernel/events/uprobes.c+1 -00 replies

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Cover letter [PATCH v2 0/3] uprobes: minor fixes + name the xol vma
Quoted 8 lines · Oleg Nesterov

Hello,

The bugs are theoretical, but still should be fixed imo. And it would be nice to name the special vma installed by uprobes. As a side effect this vma will be core-dump'ed, I think this is good.

This doesn't depend on the pending longjmp fixes.

v2:

1/3 - initialize pages[1] (thanks Andy!)

2/3 - update the changelog

Oleg.

 kernel/events/uprobes.c |   44 ++++++++++++++++++++++++++++----------------
 1 files changed, 28 insertions(+), 16 deletions(-)