Add Python version of gen_northbound_callbacks #3
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Signed-off-by: Christian Hopps <[email protected]>
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Jul 5, 2025
A crash is detected on an invalid memory access to the 0x0 address zone. > #0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=130889386464320) > at ./nptl/pthread_kill.c:44 > #1 __pthread_kill_internal (signo=11, threadid=130889386464320) at ./nptl/pthread_kill.c:78 > #2 __GI___pthread_kill (threadid=130889386464320, signo=signo@entry=11) at ./nptl/pthread_kill.c:89 > #3 0x0000770b0f042476 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 > #4 0x0000770b0f507846 in core_handler (signo=11, siginfo=0x7ffd4f7ec9f0, context=0x7ffd4f7ec8c0) > at /build/make-pkg/output/_packages/cp-routing/src/lib/sigevent.c:262 > FRRouting#5 <signal handler called> > FRRouting#6 __memmove_evex_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:339 > FRRouting#7 0x0000770b0f50bb54 in sockunion_set (su=0x7ffd4f7ed7b0, family=2, addr=0x0, bytes=4) > at /build/make-pkg/output/_packages/cp-routing/src/lib/sockunion.c:500 > FRRouting#8 0x00005f75d5430817 in nhrp_cie_pull (zb=0x5f75f262c4d0, hdr=0x5f75f2627dd8, nbma=0x7ffd4f7ed6d0, > proto=0x7ffd4f7ed7b0) at /build/make-pkg/output/_packages/cp-routing/src/nhrpd/nhrp_packet.c:180 > FRRouting#9 0x00005f75d5434652 in nhrp_peer_forward (p=0x5f75f2605f30, pp=0x7ffd4f7ed8c0) > at /build/make-pkg/output/_packages/cp-routing/src/nhrpd/nhrp_peer.c:1050 > FRRouting#10 0x00005f75d54356cb in nhrp_peer_recv (p=0x5f75f2605f30, zb=0x5f75f2627da0) > at /build/make-pkg/output/_packages/cp-routing/src/nhrpd/nhrp_peer.c:1341 > FRRouting#11 0x00005f75d5430d8e in nhrp_packet_recvraw (t=0x7ffd4f7ede80) > at /build/make-pkg/output/_packages/cp-routing/src/nhrpd/nhrp_packet.c:332 > FRRouting#12 0x0000770b0f521188 in thread_call (thread=0x7ffd4f7ede80) > at /build/make-pkg/output/_packages/cp-routing/src/lib/thread.c:1825 > FRRouting#13 0x0000770b0f4b7737 in frr_run (master=0x5f75f2440570) > at /build/make-pkg/output/_packages/cp-routing/src/lib/libfrr.c:1155 > FRRouting#14 0x00005f75d542d2b4 in main (argc=3, argv=0x7ffd4f7ee0b8) > at /build/make-pkg/output/_packages/cp-routing/src/nhrpd/nhrp_main.c:317 The incoming nhrp packet is too short, and the call to sockunion_set() uses a 0x0 memory zone, because the whole nhrp packet has been parsed, and the zbuf length used was 0. Fix this by detecting the zbuf remaining length before calling sockunion_set. Signed-off-by: Philippe Guibert <[email protected]> (cherry picked from commit 30e479e)
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Summary
gen_northbound_callbackstoolTesting
make check(fails: No rule to make target 'check')https://chatgpt.com/codex/tasks/task_b_6862e4071614832fb7331a77b928b854