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
https://reviews.freebsd.org/D45175
A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=87a156527563d0728bff355093e26943da3d7fad commit 87a156527563d0728bff355093e26943da3d7fad Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2024-05-13 17:17:47 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2024-05-16 17:53:31 +0000 SysV IPC: provide in-kernel helpers to obtain ipcs(8)-like information PR: 278949 Reviewed by: markj Tested by: Ricardo Branco <rbranco@suse.de> Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D45175 sys/kern/sysv_msg.c | 34 ++++++++++++++++++++++++++++++++++ sys/kern/sysv_sem.c | 33 +++++++++++++++++++++++++++++++++ sys/kern/sysv_shm.c | 36 ++++++++++++++++++++++++++++++++++++ sys/sys/msg.h | 3 +++ sys/sys/sem.h | 3 +++ sys/sys/shm.h | 2 ++ 6 files changed, 111 insertions(+)
A commit in branch stable/14 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=b76674a73988eb708bdb53e11c5c54e8488b33a1 commit b76674a73988eb708bdb53e11c5c54e8488b33a1 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2024-05-13 17:17:47 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2024-05-23 00:26:44 +0000 SysV IPC: provide in-kernel helpers to obtain ipcs(8)-like information PR: 278949 (cherry picked from commit 87a156527563d0728bff355093e26943da3d7fad) sys/kern/sysv_msg.c | 34 ++++++++++++++++++++++++++++++++++ sys/kern/sysv_sem.c | 33 +++++++++++++++++++++++++++++++++ sys/kern/sysv_shm.c | 36 ++++++++++++++++++++++++++++++++++++ sys/sys/msg.h | 3 +++ sys/sys/sem.h | 3 +++ sys/sys/shm.h | 2 ++ 6 files changed, 111 insertions(+)
A commit in branch stable/13 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=07b7dec1fe4296cdf470013087180a80a0d4a2cf commit 07b7dec1fe4296cdf470013087180a80a0d4a2cf Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2024-05-13 17:17:47 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2024-05-22 23:47:23 +0000 SysV IPC: provide in-kernel helpers to obtain ipcs(8)-like information PR: 278949 (cherry picked from commit 87a156527563d0728bff355093e26943da3d7fad) sys/kern/sysv_msg.c | 34 ++++++++++++++++++++++++++++++++++ sys/kern/sysv_sem.c | 33 +++++++++++++++++++++++++++++++++ sys/kern/sysv_shm.c | 36 ++++++++++++++++++++++++++++++++++++ sys/sys/msg.h | 3 +++ sys/sys/sem.h | 3 +++ sys/sys/shm.h | 2 ++ 6 files changed, 111 insertions(+)