zebra: Fix crash during reconnect (backport #17000) #17006
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fpm_enqueue_rmac_table expects an fpm_rmac_arg* as its argument.
The issue can be reproduced by dropping the TCP session using:
ss -K dst 127.0.0.1 dport = 2620
I used Fedora 40 and frr 9.1.2 and I got the gdb backtrace:
(gdb) bt
0 0x00007fdd7d6997ea in fpm_enqueue_rmac_table (bucket=0x2134dd0, arg=0x2132b60) at zebra/dplane_fpm_nl.c:1217
1 0x00007fdd7dd1560d in hash_iterate (hash=0x21335f0, func=0x7fdd7d6997a0 <fpm_enqueue_rmac_table>, arg=0x2132b60) at lib/hash.c:252
2 0x00007fdd7dd1560d in hash_iterate (hash=0x1e5bf10, func=func@entry=0x7fdd7d698900 <fpm_enqueue_l3vni_table>,
arg=arg@entry=0x7ffed983bef0) at lib/hash.c:252
3 0x00007fdd7d698b5c in fpm_rmac_send (t=<optimized out>) at zebra/dplane_fpm_nl.c:1262
4 0x00007fdd7dd6ce22 in event_call (thread=thread@entry=0x7ffed983c010) at lib/event.c:1970
5 0x00007fdd7dd20758 in frr_run (master=0x1d27f10) at lib/libfrr.c:1213
6 0x0000000000425588 in main (argc=10, argv=0x7ffed983c2e8) at zebra/main.c:492
Signed-off-by: Igor Zhukov <fsb4000@yandex.ru>
(cherry picked from commit a3877e4)
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fpm_enqueue_rmac_tableexpects anfpm_rmac_arg *as its argument.The issue can be reproduced by dropping the TCP session using:
I've seen that you have
testsfolder but I'm new to the frr codebase, if you give me small guidelines I can add a test for my PR.This is an automatic backport of pull request #17000 done by Mergify.