segfault - nvme ocp telemetry-string-log /dev/nvme0 #3144
Description
OS: Rocky 9.4 x86_64 5.14.0-427.31.1.el9.x86_64
nvme-cli: 2.16-2333-g32f4203
SSD: Kioxia CM7-R (supposedly supports ocp/cloud extensions)
Running ocp module telemetry-string-log subcommand results in segfault:
# nvme ocp telemetry-string-log /dev/nvme0 -o binary
ERROR : OCP : Unable to read C9 data.
Segmentation fault (core dumped)
dmesg output:
[432235.619339] nvme[73041]: segfault at 58 ip 00000000004c7fbf sp 00007ffc3ce7d880 error 4 in nvme[407000+da000] likely on CPU 7 (core 19, socket 0)
[432235.619349] Code: ff 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 49 89 f7 41 56 41 55 41 54 53 48 89 fb 4c 8d 73 01 4c 8d 63 10 48 83 ec 58 <48> 8b 4f 58 48 8b 47 48 0f b6 33 4c 8d 2c 8d 00 00 00 00 48 8b 4f
Strace of same command:
rt_sigaction(SIGINT, {sa_handler=0x4dc9b0, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f26745446f0}, NULL, 8) = 0
openat(AT_FDCWD, "/dev/nvme0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFCHR|0600, st_rdev=makedev(0xf0, 0), ...}) = 0
ioctl(3, NVME_IOCTL_ADMIN64_CMD, 0x7ffd59bc41f0) = 16641
ioctl(3, NVME_IOCTL_ADMIN64_CMD, 0x7ffd59bc31c0) = 0
ioctl(3, NVME_IOCTL_ADMIN64_CMD, 0x7ffd59bc4240) = 16386
write(2, "ERROR : OCP : Unable to read C9 "..., 38ERROR : OCP : Unable to read C9 data.
) = 38
openat(AT_FDCWD, "string.bin", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 4
write(4, NULL, 0) = 0
close(4) = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x58} ---
+++ killed by SIGSEGV (core dumped) +++
Segmentation fault (core dumped)