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Corruption panic due to ip:conn_build_hdr_template (Doc ID 2778734.1)

Last updated on MAY 24, 2021

Applies to:

Solaris Operating System - Version 11.3 to 11.4 [Release 11.0]
Information in this document applies to any platform.


Host may panic with the following panic string and stack.

panic string: mutex_destroy: not owner, lp=xxxxxxxx owner=0 thread=xxxxxxxx

anon_release+a0 ()
anonmap_free+44 ()
segvn_free+128 ()
seg_free+28 ()
segvn_unmap+334 ()
as_free+d0 ()
relvm+248 ()


If the customer enables kernel memory flags on this host, then you will see this type of panic

panic string: kernel heap corruption detected

void unix:panic+0x1c()
void genunix:kmem_error+0x4b8()
int ip:conn_build_hdr_template+0xa0()
int ip:udp_build_hdr_template+0x48()
int ip:udp_send_cmn+0x13c4()
int ip:udp_send_uio+0x14()
int sockfs:so_sendmsg_cmn+0x1bc()
int sockfs:so_sendmsg+0x11c()
int sockfs:socket_sendmsg+0x48()
ssize_t sockfs:sendit+0x188()
ssize_t sockfs:sendto+0x5c()



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