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authorDamjan Marion <damarion@cisco.com>2022-03-09 14:47:05 +0100
committerDamjan Marion <damarion@cisco.com>2022-03-09 14:47:05 +0100
commit317cace6185ae134d78a38e1a20249baf751035e (patch)
treebc7121e745cbb169a4cd8bfdcbb7e8546982274d /src/svm/message_queue.c
parent7fc0ee7f65fbbced6e987f8bfd927a595b7ff7ee (diff)
vat: fix vat_suspend crash
Deadly combination is clib_{set,long}jmp + lazy linking + tail call compiler optimization. On the first call to clib_setjmp, dynamic linker executes loader code which then calls clib_setjmp, so stored stack position contains dynamic loader data. Tail call optimization simply jumps back to the calling code when clib_longjump is called and that results in wrong return address used from the stack. Change-Id: Ia7d8dbd5b2c425cdd0449374aa07ab6b684a330e Type: fix Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/svm/message_queue.c')
0 files changed, 0 insertions, 0 deletions