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Wed, 28 Nov 2018 00:54:25 +0300 (MSK) To: current@freebsd.org From: Vladimir Kondratyev Openpgp: preference=signencrypt Autocrypt: addr=vladimir@kondratyev.su; prefer-encrypt=mutual; keydata= xsBNBFkI9Y8BCAC44UZYE8ZswFr/LHNHutuCmrbfP0j6jYl6zkW9VeM3cXVDjDsL3h9JhEFH zF9Or0muwHjspNuVdP2ot9vH8FCGAGEYS/GrzEEKxj4yoxAZxWnGUwzFiaf8fCtlrq5D9vOd /HSm6tb5YbcC/t/46hSwyPZ4i07rtsxmeozrKNx9H2gkcY0/AfmZ+UxY90/cj/F3aNk4wYLH gC95N99jaZvwPFX8wW5k++YaThXo8TNGQaxmC28cFFPdc1qICYdzYxS7kbTlGKp37lWmV9Z6 FursbfIkJZ7Rzw7NjGGijj4XjKif91ZwQNz/BfO58xrookQCibVCJ3JKcZo4NZ7rWTWlABEB AAHNLFZsYWRpbWlyIEtvbmRyYXR5ZXYgPHZsYWRpbWlyQGtvbmRyYXR5ZXYuc3U+wsCUBBMB CgA+FiEEkwnJqomIwH/siVElg2u+IHApX3UFAlkJEuQCGwMFCQWjmoAFCwkIBwMFFQoJCAsF FgMCAQACHgECF4AACgkQg2u+IHApX3Wsmwf/bSUJeS0KXHQHH/XZwaqi0CfWxifrWfC+K62O DVA5TZZfZTs8h4Pov2DBvgx/DaQIVXeZazDPZho4v5SCrSulv//gboO6iN/7ZVnSRwQfyOp+ xnXLOzjC4mv4GjYc5sILJWQbWF4UPBGrBiFjtWrYjrRwVE6o/ThEXP92uu7suS2+U+f0zBh+ NZpJdf1T6EUN/dn8QLCyASNW1uYXzQ//5kTFc3ECC0VXzTnCZ7WWzkEOMbaVOwR25K5hCrg/ e41zrGlq8xLQhnXje+ZvG5DZkWKiZ0hUrB7nA8RLOVN6I1rzqStQjYxQuQqGu0Om/Bv6Rp+t AwEaLQdYOdXEyMZRe87ATQRZCPWPAQgAt5NVWoIBXPqs/lo3w3JxUZ2f2R1bTqdWNBHlKI1Y r6WDHSMWT9WM/vycZSG5N6a051ZGhyPS6LNoxxqokYwgLr9VMsBTS7pA8Nx8hzyjIAAYCQqX 2tluX2FzvcJUaEZDo3pt93IpHzvf924A1nvxP4n9NyfTu4GBZ+07sBJEploKugmAVIzXD1m6 zr1xeo6LF5Adz1b0WP2cU88gv66FiuZp9Cj6DTGdIta6hQqAtrBxINVd5XR99eXrZ0+YSiIi 7ywa3dDti8NXwkZkn4pGPDkCjb34PL1kdoD/yOCpp9yAdflF8T8KObjWuivnAMOYfmGGN30n nhh8Ub9n2DVw7wARAQABwsB8BBgBCgAmFiEEkwnJqomIwH/siVElg2u+IHApX3UFAlkI9Y8C GwwFCQWjmoAACgkQg2u+IHApX3XzJggAs8Hiu/YeLfmZYp/57eaK/BrtW5TeLrKd5x4knFkY dxWOJ7ZJIIr7fhUH9OZKyAMYPzJaWuxhAuDIZiH39MZFnAhx6LnycCIQMY6CP4gJ8Y2ssvf7 eNcFRqL1xvEmAELMC5HtpnLp914xlYkBoqcU2rH7X0Qza4GvafQHHVrjc+DqqKbF6YjPsEew Fp4mqvvIxi71UiWy95q0x8tC3Cbm5hUCl2i5nl0iaWNNMkuh6is+jLJZ9W5CfEPcp+W2Vekd UTm4zN0+uaR7br3Lr3GbBJPlLHrH1haK6nJmyfVzf1MbK8wqIHiH1wWmIxC96QHKCEzRDjdf IVYGqb/YykLjBw== Subject: r340343 triggers kernel assertion if file is opened with O_BENEATH flag set through symlink Message-ID: Date: Wed, 28 Nov 2018 00:54:21 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 1240070C5E X-Spamd-Result: default: False [-5.83 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_SEVEN(0.00)[10]; FROM_HAS_DN(0.00)[]; FORWARDED(0.00)[current@mailman.ysv.freebsd.org]; FORGED_RECIPIENTS_FORWARDING(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[kondratyev.su]; AUTH_NA(1.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; MX_GOOD(-0.01)[cached: mail.kondratyev.su]; RCVD_IN_DNSWL_MED(-0.20)[5.0.0.0.0.5.0.0.0.0.0.0.0.0.0.0.a.6.0.2.4.5.2.2.0.0.9.1.1.0.0.2.list.dnswl.org : 127.0.9.2]; NEURAL_HAM_SHORT(-0.99)[-0.988,0]; R_SPF_NA(0.00)[]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; IP_SCORE(-3.63)[ip: (-9.87), ipnet: 2001:1900:2254::/48(-4.68), asn: 10310(-3.51), country: US(-0.09)]; ASN(0.00)[asn:10310, ipnet:2001:1900:2254::/48, country:US]; FORGED_RECIPIENTS(0.00)[current@freebsd.org,freebsd-current@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Nov 2018 21:54:48 -0000 Following test case triggers assertion after r340343: #include int main(int argc, char **argv) { =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 openat(open("/etc", O_RDONLY),= "termcap", O_RDONLY | O_BENEATH); } It results in: panic: Assertion (ndp->ni_lcf & NI_LCF_LATCH) !=3D 0 failed at /usr/src/sys/kern/vfs_lookup.c:182