[Bug 279875] sockstat: segmentation fault

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=279875

--- Comment #8 from [email protected] ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=35f4984343229545881a324a00cdbb3980d675ce

commit 35f4984343229545881a324a00cdbb3980d675ce
Author:     Konstantin Belousov <[email protected]>
AuthorDate: 2024-07-20 00:30:55 +0000
Commit:     Konstantin Belousov <[email protected]>
CommitDate: 2024-07-21 08:51:42 +0000

    sockstat(1): tolerate situation where file info cannot be fetched

    Either due to a race, or to the privilege restrictions, it is not
    guaranteed that kern.files returned file information for all pcbs
    read from net.inet.<proto>.pcblist.  In this case the file rbtree does
    not return the matching file by data address, and code must avoid
    dereferencing NULL.

    PR:     279875
    Reviewed by:    asomers
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D46050

 usr.bin/sockstat/sockstat.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

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