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authorOleg Nesterov <[email protected]>2024-09-11 15:13:20 +0200
committerAndrew Morton <[email protected]>2024-09-17 01:07:01 -0700
commited8d5b0ce1d738e13c60d6b1a901a56d832e5070 (patch)
tree1e94644a1af1b9af23b159bdd273c8101bee2482 /lib/crypto/mpi/mpi-mul.c
parent242d12c98174584a18965cfab95778893872d650 (diff)
Revert "uprobes: use vm_special_mapping close() functionality"
This reverts commit 08e28de1160a712724268fd33d77b32f1bc84d1c. A malicious application can munmap() its "[uprobes]" vma and in this case xol_mapping.close == uprobe_clear_state() will free the memory which can be used by another thread, or the same thread when it hits the uprobe bp afterwards. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Oleg Nesterov <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Andrii Nakryiko <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Ian Rogers <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Kan Liang <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Sven Schnelle <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'lib/crypto/mpi/mpi-mul.c')
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