2e8d1a5525
When an iSCSI target session is terminated, an internal nexus reset task is posted to abort existing tasks belonging to the session. Previously, the ctl_io for this internal nexus reset stored a pointer to the session in the slot that normally holds a pointer to the PDU from the initiator that triggered the I/O request. The completion handler then assumed that any nexus reset I/O was due to an internal request and fetched the session pointer (instead of the PDU pointer) from the ctl_io. However, it is possible to trigger a nexus reset via an on-the-wire task management PDU. If such a PDU were sent to the target, then the completion handler would incorrectly treat this request as an internal request and treat the pointer to the received PDU as a pointer to the session instead. To fix, allocate a dummy PDU for the internal reset task and use an invalid opcode to differentiate internal nexus resets from resets requested by the initiator. PR: 260449 Reported by: Robert Morris <rtm@lcs.mit.edu> Reviewed by: mav Sponsored by: Chelsio Communications Differential Revision: https://reviews.freebsd.org/D34055
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| Directory | Description |
|---|---|
| bin | System/user commands. |
| cddl | Various commands and libraries under the Common Development and Distribution License. |
| contrib | Packages contributed by 3rd parties. |
| crypto | Cryptography stuff (see crypto/README). |
| etc | Template files for /etc. |
| gnu | Commands and libraries under the GNU General Public License (GPL) or Lesser General Public License (LGPL). Please see gnu/COPYING and gnu/COPYING.LIB for more information. |
| include | System include files. |
| kerberos5 | Kerberos5 (Heimdal) package. |
| lib | System libraries. |
| libexec | System daemons. |
| release | Release building Makefile & associated tools. |
| rescue | Build system for statically linked /rescue utilities. |
| sbin | System commands. |
| secure | Cryptographic libraries and commands. |
| share | Shared resources. |
| stand | Boot loader sources. |
| sys | Kernel sources. |
sys/arch/conf |
Kernel configuration files. GENERIC is the configuration used in release builds. NOTES contains documentation of all possible entries. |
| tests | Regression tests which can be run by Kyua. See tests/README for additional information. |
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| usr.bin | User commands. |
| usr.sbin | System administration commands. |
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