tgtd crash with "too many targets" (out of memory)

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Of course "too many targets" is debatable here, as on 32 bit hardware the number is very small.

To reproduce the crash:

- on the target machine, keep adding new targets until you see "tgtadm: out of memory"::

# Adding target: iqn.2009-02.net.syneticon:superthecus.test28 tgtadm --lld iscsi --op new --mode target --tid 23 -T iqn.2009-02.net.syneticon:superthecus.test28 tgtadm --lld iscsi --op new --mode logicalunit --tid 23 --lun 1 -b /dev/superthecus/test tgtadm --lld iscsi --op bind --mode target --tid 23 -I ALL # Adding target: iqn.2009-02.net.syneticon:superthecus.test29 tgtadm --lld iscsi --op new --mode target --tid 24 -T iqn.2009-02.net.syneticon:superthecus.test29 tgtadm --lld iscsi --op new --mode logicalunit --tid 24 --lun 1 -b /dev/superthecus/test tgtadm: out of memory tgtadm --lld iscsi --op bind --mode target --tid 24 -I ALL # Adding target: iqn.2009-02.net.syneticon:superthecus.test3 tgtadm --lld iscsi --op new --mode target --tid 25 -T iqn.2009-02.net.syneticon:superthecus.test3 tgtadm --lld iscsi --op new --mode logicalunit --tid 25 --lun 1 -b /dev/superthecus/test tgtadm: out of memory tgtadm --lld iscsi --op bind --mode target --tid 25 -I ALL


- add some more targets

- "tgtadm --op show --mode target" should show you your targets; the last ones without a disk

- now, run discovery from the initiator and try to log in to all targets. tgtd will segfault



--
Tomasz Chmielewski
http://wpkg.org


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