https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278949
Bug ID: 278949
Summary: sysv IPC sysctl's behave differently for 32-bit on
64bits hosts
Product: Base System
Version: 15.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
To reproduce:
I created only one object of each type with the ipcmk command shipped by
util-linux like this:
$ ipcmk -M 1k -S 1 -Q
Then ran ipcs in Ubuntu Jammy 64-bits & 32-bits created with `debootstrap
[--arch i386] /compat/ubuntu[32]`
$ sudo chroot /compat/ubuntu ipcs -a
------ Message Queues --------
key msqid owner perms used-bytes messages
0x0fb549ed 65536 1000 644 0 0
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x25caab18 65536 1000 644 4096 0
------ Semaphore Arrays --------
key semid owner perms nsems
0xbf526696 65536 1000 644 1
$ sudo chroot /compat/ubuntu32 ipcs -a
------ Message Queues --------
key msqid owner perms used-bytes messages
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
0xdeadc0de 2147483647 3735929054 336 16045693110842147038
16045693110842147038
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00001000 65536 1000 644 71807 1715595399
------ Semaphore Arrays --------
key semid owner perms nsems
0x00000000 65536 1000 644 0
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