Here is the debug logs.
$ sudo snap run --debug-log --strace=--raw curl -h
2022/12/20 10:51:04.276141 cmd_run.go:488: DEBUG: enabled debug logging of early snap startup
2022/12/20 10:51:04.281433 cmd_run.go:1037: DEBUG: executing snap-confine from /usr/lib/snapd/snap-confine
2022/12/20 10:51:04.314274 cmd_run.go:440: DEBUG: SELinux not enabled
2022/12/20 10:51:04.314605 tracking.go:46: DEBUG: creating transient scope snap.curl.curl
2022/12/20 10:51:04.314752 tracking.go:189: DEBUG: session bus is not available: cannot find session bus
2022/12/20 10:51:04.314812 tracking.go:191: DEBUG: falling back to system bus
2022/12/20 10:51:04.320566 tracking.go:196: DEBUG: using system bus now, session bus was not available
2022/12/20 10:51:04.625827 tracking.go:319: DEBUG: create transient scope job: /org/freedesktop/systemd1/job/380978
2022/12/20 10:51:04.638186 tracking.go:146: DEBUG: waited 317.233158ms for tracking
2022/12/20 10:51:04.638516 logger.go:184: DEBUG: -- snap startup {"stage":"snap to snap-confine", "time":"1671513664.638261"}
execve("/usr/lib/snapd/snap-confine", ["/usr/lib/snapd/snap-confine", "snap.curl.curl", "/usr/lib/snapd/snap-exec", "curl", "-h"], 0x7fff4ce57c58 /* 34 vars */) = 0
brk(NULL) = 0x1190000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=15770, ...}) = 0
mmap(NULL, 15770, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fd856a80000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libudev.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=126840, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd856a7f000
mmap(NULL, 130656, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd856a5f000
mmap(0x7fd856a7d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1d000) = 0x7fd856a7d000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\r\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=14608, ...}) = 0
mmap(NULL, 2109680, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd85665b000
mprotect(0x7fd85665e000, 2093056, PROT_NONE) = 0
mmap(0x7fd85685d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fd85685d000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260`\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=138696, ...}) = 0
mmap(NULL, 2212904, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd85643e000
mprotect(0x7fd856456000, 2093056, PROT_NONE) = 0
mmap(0x7fd856655000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17000) = 0x7fd856655000
mmap(0x7fd856657000, 13352, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fd856657000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\t\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1868984, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd856a5e000
mmap(NULL, 3971488, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd856074000
mprotect(0x7fd856234000, 2097152, PROT_NONE) = 0
mmap(0x7fd856434000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1c0000) = 0x7fd856434000
mmap(0x7fd85643a000, 14752, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fd85643a000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0!\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=31712, ...}) = 0
mmap(NULL, 2128832, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd855e6c000
mprotect(0x7fd855e73000, 2093056, PROT_NONE) = 0
mmap(0x7fd856072000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7fd856072000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd856a5d000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd856a5b000
arch_prctl(ARCH_SET_FS, 0x7fd856a5b740) = 0
mprotect(0x7fd856434000, 16384, PROT_READ) = 0
mprotect(0x7fd856655000, 4096, PROT_READ) = 0
mprotect(0x7fd856072000, 4096, PROT_READ) = 0
mprotect(0x7fd85685d000, 4096, PROT_READ) = 0
mprotect(0x7fd856a7d000, 4096, PROT_READ) = 0
mprotect(0x61c000, 4096, PROT_READ) = 0
mprotect(0x7fd856a84000, 4096, PROT_READ) = 0
munmap(0x7fd856a80000, 15770) = 0
set_tid_address(0x7fd856a5ba10) = 14859
set_robust_list(0x7fd856a5ba20, 24) = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7fd856443b50, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fd85644f390}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fd856443be0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd85644f390}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "-- snap startup {\"stage\":\"snap-c"..., 74-- snap startup {"stage":"snap-confine enter", "time":"1671513667.364362"}) = 74
write(2, "\n", 1
) = 1
brk(NULL) = 0x1190000
brk(0x11b1000) = 0x11b1000
umask(000) = 022
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "umask reset, old umask was 022", 31umask reset, old umask was 022) = 31
write(2, "\n", 1
) = 1
openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 3
fstat(3, {st_mode=S_IFDIR|0755, st_size=12288, ...}) = 0
chdir("/") = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "security tag: snap.curl.curl", 28security tag: snap.curl.curl) = 28
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "executable: /usr/lib/snapd/sna"..., 38executable: /usr/lib/snapd/snap-exec) = 38
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "confinement: non-classic", 25confinement: non-classic) = 25
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "base snap: core", 18base snap: core) = 18
write(2, "\n", 1
) = 1
getresuid([0], [0], [0]) = 0
getresgid([0], [0], [0]) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "ruid: 0, euid: 0, suid: 0", 25ruid: 0, euid: 0, suid: 0) = 25
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "rgid: 0, egid: 0, sgid: 0", 25rgid: 0, egid: 0, sgid: 0) = 25
write(2, "\n", 1
) = 1
open("/var/lib/snapd/cookie/snap.curl", O_RDONLY|O_NOFOLLOW|O_CLOEXEC) = 4
read(4, "FPV7vv6mk8JqyNs4wgHQw1KWF0qdg6sv"..., 254) = 44
close(4) = 0
open("/proc/mounts", O_RDONLY|O_CLOEXEC) = 4
futex(0x7fd85643b008, FUTEX_WAKE_PRIVATE, 2147483647) = 0
fstat(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
read(4, "sysfs /sys sysfs rw,nosuid,nodev"..., 1024) = 1024
read(4, "ata=ordered 0 0\n/dev/mmcblk0p4 /"..., 1024) = 1024
read(4, "v/mmcblk0p4 /etc/systemd/network"..., 1024) = 1024
read(4, "dev/mmcblk0p4 /etc/systemd/times"..., 1024) = 1024
stat("/sys/kernel/security/apparmor", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
close(4) = 0
open("/proc/14859/attr/current", O_RDONLY) = 4
read(4, "/usr/lib/snapd/snap-confine (enf"..., 128) = 38
read(4, "", 90) = 0
close(4) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "apparmor label on snap-confine i"..., 62apparmor label on snap-confine is: /usr/lib/snapd/snap-confine) = 62
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "apparmor mode is: enforce", 25apparmor mode is: enforce) = 25
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "-- snap startup {\"stage\":\"snap-c"..., 90-- snap startup {"stage":"snap-confine mount namespace start", "time":"1671513667.470701"}) = 90
write(2, "\n", 1
) = 1
open("/proc/1/ns/mnt", O_RDONLY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 4
open("/proc/self/ns/mnt", O_RDONLY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 5
readlinkat(4, "", "mnt:[4026531840]", 128) = 16
readlinkat(5, "", "mnt:[4026531840]", 128) = 16
close(5) = 0
close(4) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "creating lock directory /run/sna"..., 52creating lock directory /run/snapd/lock (if missing)) = 52
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
open("/", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 4
mkdirat(4, "run", 0755) = -1 EEXIST (File exists)
openat(4, "run", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 5
close(4) = 0
mkdirat(5, "snapd", 0755) = -1 EEXIST (File exists)
openat(5, "snapd", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 4
close(5) = 0
mkdirat(4, "lock", 0755) = -1 EEXIST (File exists)
openat(4, "lock", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 5
close(4) = 0
close(5) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "opening lock directory /run/snap"..., 38opening lock directory /run/snapd/lock) = 38
write(2, "\n", 1
) = 1
open("/run/snapd/lock", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 4
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "opening lock file: /run/snapd/lo"..., 40opening lock file: /run/snapd/lock/.lock) = 40
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
openat(4, ".lock", O_RDWR|O_CREAT|O_NOFOLLOW|O_CLOEXEC, 0600) = 5
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
close(4) = 0
rt_sigaction(SIGALRM, {sa_handler=0x40c6c0, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fd85644f390}, NULL, 8) = 0
alarm(30) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "sanity timeout initialized and s"..., 49sanity timeout initialized and set for 30 seconds) = 49
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "acquiring exclusive lock (scope "..., 48acquiring exclusive lock (scope (global), uid 0)) = 48
write(2, "\n", 1
) = 1
flock(5, LOCK_EX) = 0
alarm(0) = 30
rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fd85644f390}, NULL, 8) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "sanity timeout reset and disable"..., 33sanity timeout reset and disabled) = 33
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "ensuring that snap mount directo"..., 44ensuring that snap mount directory is shared) = 44
write(2, "\n", 1
) = 1
open("/proc/self/mountinfo", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
read(4, "18 24 0:17 / /sys rw,nosuid,node"..., 1024) = 1024
read(4, "=ordered\n30 24 179:4 /system-dat"..., 1024) = 1024
read(4, "xt4 /dev/mmcblk0p4 rw,data=order"..., 1024) = 1024
read(4, "=ordered\n47 24 179:4 /system-dat"..., 1024) = 1024
read(4, "c/iproute2 /etc/iproute2 rw,rela"..., 1024) = 1024
read(4, " rw,data=ordered\n65 24 179:4 /sy"..., 1024) = 1024
read(4, "ed:54 - tmpfs tmpfs rw\n74 22 0:2"..., 1024) = 1024
read(4, "- cgroup cgroup rw,perf_event,re"..., 1024) = 1024
read(4, "latime shared:74 - mqueue mqueue"..., 1024) = 1024
read(4, "var/lib/systemd /var/lib/systemd"..., 1024) = 1024
read(4, "tem-data/var/lib/dhcp /var/lib/d"..., 1024) = 1024
read(4, "oop2 ro\n280 23 7:2 / /writable/s"..., 1024) = 1024
read(4, "-agent/x63 ro,nodev,relatime sha"..., 1024) = 1024
read(4, "2 ro\n324 248 7:14 / /snap/3g-wat"..., 1024) = 1024
read(4, "ge/x92 ro,nodev,relatime shared:"..., 1024) = 1024
read(4, "squashfs /dev/loop23 ro\n364 23 7"..., 1024) = 1024
read(4, "ev/loop28 ro\n384 23 7:28 / /writ"..., 1024) = 1024
read(4, "ta/snap/modem-manager/222 ro,nod"..., 1024) = 1024
read(4, "tinel/x34 ro,nodev,relatime shar"..., 1024) = 1024
read(4, "e shared:363 - squashfs /dev/loo"..., 1024) = 1024
read(4, "ime shared:378 - squashfs /dev/l"..., 1024) = 1024
read(4, "p52 ro\n485 248 7:55 / /snap/nmap"..., 1024) = 1024
read(4, "nap/bluez/296 ro,nodev,relatime "..., 1024) = 1024
read(4, "red:426 - squashfs /dev/loop63 r"..., 1024) = 1024
read(4, "/loop69 ro\n548 23 7:69 / /writab"..., 1024) = 1024
read(4, "a/snap/jq/6 ro,nodev,relatime sh"..., 1024) = 1024
read(4, ",relatime shared:471 - squashfs "..., 1024) = 1024
read(4, "\n611 248 7:85 / /snap/brightedge"..., 1024) = 1024
read(4, "ap-agent/x62 ro,nodev,relatime s"..., 1024) = 1024
read(4, "me shared:519 - squashfs /dev/lo"..., 1024) = 1024
read(4, "x7 ro,nodev,relatime shared:534 "..., 1024) = 1024
read(4, "ed:270 - squashfs /dev/loop12 ro"..., 1024) = 657
read(4, "", 1024) = 0
close(4) = 0
open("/var/lib/snapd/features", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 4
newfstatat(4, "parallel-instances", 0x7ffe04a4ea10, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory)
close(4) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "unsharing snap namespace directo"..., 34unsharing snap namespace directory) = 34
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
open("/", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 4
mkdirat(4, "run", 0755) = -1 EEXIST (File exists)
openat(4, "run", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 6
close(4) = 0
mkdirat(6, "snapd", 0755) = -1 EEXIST (File exists)
openat(6, "snapd", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 4
close(6) = 0
mkdirat(4, "ns", 0755) = -1 EEXIST (File exists)
openat(4, "ns", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 6
close(4) = 0
close(6) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
open("/proc/self/mountinfo", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
read(4, "18 24 0:17 / /sys rw,nosuid,node"..., 1024) = 1024
read(4, "=ordered\n30 24 179:4 /system-dat"..., 1024) = 1024
read(4, "xt4 /dev/mmcblk0p4 rw,data=order"..., 1024) = 1024
read(4, "=ordered\n47 24 179:4 /system-dat"..., 1024) = 1024
read(4, "c/iproute2 /etc/iproute2 rw,rela"..., 1024) = 1024
read(4, " rw,data=ordered\n65 24 179:4 /sy"..., 1024) = 1024
read(4, "ed:54 - tmpfs tmpfs rw\n74 22 0:2"..., 1024) = 1024
read(4, "- cgroup cgroup rw,perf_event,re"..., 1024) = 1024
read(4, "latime shared:74 - mqueue mqueue"..., 1024) = 1024
read(4, "var/lib/systemd /var/lib/systemd"..., 1024) = 1024
read(4, "tem-data/var/lib/dhcp /var/lib/d"..., 1024) = 1024
read(4, "oop2 ro\n280 23 7:2 / /writable/s"..., 1024) = 1024
read(4, "-agent/x63 ro,nodev,relatime sha"..., 1024) = 1024
read(4, "2 ro\n324 248 7:14 / /snap/3g-wat"..., 1024) = 1024
read(4, "ge/x92 ro,nodev,relatime shared:"..., 1024) = 1024
read(4, "squashfs /dev/loop23 ro\n364 23 7"..., 1024) = 1024
read(4, "ev/loop28 ro\n384 23 7:28 / /writ"..., 1024) = 1024
read(4, "ta/snap/modem-manager/222 ro,nod"..., 1024) = 1024
read(4, "tinel/x34 ro,nodev,relatime shar"..., 1024) = 1024
read(4, "e shared:363 - squashfs /dev/loo"..., 1024) = 1024
read(4, "ime shared:378 - squashfs /dev/l"..., 1024) = 1024
read(4, "p52 ro\n485 248 7:55 / /snap/nmap"..., 1024) = 1024
read(4, "nap/bluez/296 ro,nodev,relatime "..., 1024) = 1024
read(4, "red:426 - squashfs /dev/loop63 r"..., 1024) = 1024
read(4, "/loop69 ro\n548 23 7:69 / /writab"..., 1024) = 1024
read(4, "a/snap/jq/6 ro,nodev,relatime sh"..., 1024) = 1024
read(4, ",relatime shared:471 - squashfs "..., 1024) = 1024
read(4, "\n611 248 7:85 / /snap/brightedge"..., 1024) = 1024
read(4, "ap-agent/x62 ro,nodev,relatime s"..., 1024) = 1024
read(4, "me shared:519 - squashfs /dev/lo"..., 1024) = 1024
read(4, "x7 ro,nodev,relatime shared:534 "..., 1024) = 1024
read(4, "ed:270 - squashfs /dev/loop12 ro"..., 1024) = 657
read(4, "", 1024) = 0
close(4) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "releasing lock 5", 16releasing lock 5) = 16
write(2, "\n", 1
) = 1
flock(5, LOCK_UN) = 0
close(5) = 0
readlink("/proc/self/exe", "/usr/lib/snapd/snap-confine", 4096) = 27
open("/usr/lib/snapd", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 4
openat(4, "snap-update-ns", O_RDONLY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 5
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "opened snap-update-ns executable"..., 53opened snap-update-ns executable as file descriptor 5) = 53
write(2, "\n", 1
) = 1
close(4) = 0
readlink("/proc/self/exe", "/usr/lib/snapd/snap-confine", 4096) = 27
open("/usr/lib/snapd", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 4
openat(4, "snap-discard-ns", O_RDONLY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 6
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "opened snap-discard-ns executabl"..., 54opened snap-discard-ns executable as file descriptor 6) = 54
write(2, "\n", 1
) = 1
close(4) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "creating lock directory /run/sna"..., 52creating lock directory /run/snapd/lock (if missing)) = 52
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
open("/", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 4
mkdirat(4, "run", 0755) = -1 EEXIST (File exists)
openat(4, "run", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 7
close(4) = 0
mkdirat(7, "snapd", 0755) = -1 EEXIST (File exists)
openat(7, "snapd", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 4
close(7) = 0
mkdirat(4, "lock", 0755) = -1 EEXIST (File exists)
openat(4, "lock", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = 7
close(4) = 0
close(7) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "opening lock directory /run/snap"..., 38opening lock directory /run/snapd/lock) = 38
write(2, "\n", 1
) = 1
open("/run/snapd/lock", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 4
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "opening lock file: /run/snapd/lo"..., 44opening lock file: /run/snapd/lock/curl.lock) = 44
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
openat(4, "curl.lock", O_RDWR|O_CREAT|O_NOFOLLOW|O_CLOEXEC, 0600) = 7
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
write(2, "\n", 1
) = 1
getegid() = 0
setresgid(-1, 0, -1) = 0
getegid() = 0
close(4) = 0
rt_sigaction(SIGALRM, {sa_handler=0x40c6c0, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fd85644f390}, NULL, 8) = 0
alarm(30) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "sanity timeout initialized and s"..., 49sanity timeout initialized and set for 30 seconds) = 49
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "acquiring exclusive lock (scope "..., 44acquiring exclusive lock (scope curl, uid 0)) = 44
write(2, "\n", 1
) = 1
flock(7, LOCK_EX) = 0
alarm(0) = 30
rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fd85644f390}, NULL, 8) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "sanity timeout reset and disable"..., 33sanity timeout reset and disabled) = 33
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "initializing mount namespace: cu"..., 34initializing mount namespace: curl) = 34
write(2, "\n", 1
) = 1
open("/run/snapd/ns", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC|O_PATH) = 4
access("/snap/core/current", F_OK) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "setting up device cgroup", 24setting up device cgroup) = 24
write(2, "\n", 1
) = 1
futex(0x7fd85685e0a8, FUTEX_WAKE_PRIVATE, 2147483647) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "cannot find current tags symbol:"..., 114cannot find current tags symbol: /lib/x86_64-linux-gnu/libudev.so.1: undefined symbol: udev_device_has_current_tag) = 114
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "no current tags support present", 31no current tags support present) = 31
write(2, "\n", 1
) = 1
open("/etc/udev/udev.conf", O_RDONLY|O_CLOEXEC) = 8
fstat(8, {st_mode=S_IFREG|0644, st_size=153, ...}) = 0
read(8, "# see udev.conf(5) for details\n#"..., 1024) = 153
read(8, "", 1024) = 0
close(8) = 0
getrandom("\x15\xcd\xa6\x68\xa0\xb8\xe3\x00\x13\xf7\x2b\xef\xe5\x00\xda\x5b", 16, GRND_NONBLOCK) = 16
open("/run/udev/tags/snap_curl_curl", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "no devices tagged with snap_curl"..., 67no devices tagged with snap_curl_curl, skipping device cgroup setup) = 67
write(2, "\n", 1
) = 1
open("/etc/os-release", O_RDONLY) = 8
fstat(8, {st_mode=S_IFREG|0644, st_size=179, ...}) = 0
read(8, "NAME=\"Ubuntu Core\"\nVERSION=\"16\"\n"..., 1024) = 179
read(8, "", 1024) = 0
close(8) = 0
pipe2([8, 9], O_DIRECT|O_CLOEXEC) = 0
pipe2([10, 11], O_DIRECT|O_CLOEXEC) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fd856a5ba10) = 14890
rt_sigaction(SIGPIPE, {sa_handler=SIG_IGN, sa_mask=[PIPE], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fd8560a94c0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
close(8) = 0
close(11) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "forked support process 14890", 28forked support process 14890) = 28
write(2, "\n", 1
) = 1
openat(4, "curl.mnt", O_RDONLY|O_NOFOLLOW|O_CLOEXEC) = -1 ENOENT (No such file or directory)
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "unsharing the mount namespace (p"..., 40unsharing the mount namespace (per-snap)) = 40
write(2, "\n", 1
) = 1
unshare(CLONE_NEWNS) = 0
open("/etc/os-release", O_RDONLY) = 8
fstat(8, {st_mode=S_IFREG|0644, st_size=179, ...}) = 0
read(8, "NAME=\"Ubuntu Core\"\nVERSION=\"16\"\n"..., 1024) = 179
read(8, "", 1024) = 0
close(8) = 0
mkdir("/tmp/snap.rootfs_qGQ2Z2", 0700) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "scratch directory for constructi"..., 69scratch directory for constructing namespace: /tmp/snap.rootfs_qGQ2Z2) = 69
write(2, "\n", 1
) = 1
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
write(2, "\n", 1
) = 1
mount("none", "/", NULL, MS_REC|MS_SHARED, NULL) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
write(2, "\n", 1
) = 1
mount("/tmp/snap.rootfs_qGQ2Z2", "/tmp/snap.rootfs_qGQ2Z2", NULL, MS_BIND, NULL) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
write(2, "\n", 1
) = 1
mount("none", "/tmp/snap.rootfs_qGQ2Z2", NULL, MS_UNBINDABLE, NULL) = 0
write(2, "DEBUG: ", 7DEBUG: ) = 7
write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
write(2, "\n", 1
) = 1
mount("/", "/tmp/snap.rootfs_qGQ2Z2", NULL, MS_BIND|MS_REC, NULL) = 0
/snap/strace-static/current/bin/strace: Process 14890 attached
[pid 14859] write(2, "DEBUG: ", 7DEBUG: <unfinished ...>
[pid 14890] set_robust_list(0x7fd856a5ba20, 24 <unfinished ...>
[pid 14859] <... write resumed> ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63 <unfinished ...>
[pid 14890] <... set_robust_list resumed> ) = 0
performing operation: (disabled) use debug build to see details[pid 14859] <... write resumed> ) = 63
[pid 14890] close(9 <unfinished ...>
[pid 14859] write(2, "\n", 1 <unfinished ...>
[pid 14890] <... close resumed> ) = 0
[pid 14859] <... write resumed> ) = 1
[pid 14890] close(10 <unfinished ...>
[pid 14859] mount("none", "/tmp/snap.rootfs_qGQ2Z2", NULL, MS_REC|MS_SLAVE, NULL <unfinished ...>
[pid 14890] <... close resumed> ) = 0
[pid 14859] <... mount resumed> ) = 0
[pid 14890] write(2, "DEBUG: ", 7DEBUG: <unfinished ...>
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14890] <... write resumed> ) = 7
[pid 14859] write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
[pid 14890] write(2, "changing apparmor hat to mount-n"..., 55changing apparmor hat to mount-namespace-capture-helper <unfinished ...>
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] getegid() = 0
[pid 14859] setresgid(-1, 0, -1) = 0
[pid 14859] getegid() = 0
[pid 14859] mkdir("/media", 0755) = -1 EEXIST (File exists)
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] getegid() = 0
[pid 14859] setresgid(-1, 0, -1) = 0
[pid 14859] getegid() = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] mount("/media", "/tmp/snap.rootfs_qGQ2Z2//media", NULL, MS_BIND|MS_REC, NULL) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] getegid() = 0
[pid 14859] setresgid(-1, 0, -1) = 0
[pid 14859] getegid() = 0
[pid 14859] mkdir("/run/netns", 0755) = -1 EEXIST (File exists)
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] getegid() = 0
[pid 14859] setresgid(-1, 0, -1) = 0
[pid 14859] getegid() = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] mount("/run/netns", "/tmp/snap.rootfs_qGQ2Z2//run/netns", NULL, MS_BIND|MS_REC, NULL) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] getegid() = 0
[pid 14859] setresgid(-1, 0, -1) = 0
[pid 14859] getegid() = 0
[pid 14859] mkdir("/var/lib/snapd/hostfs", 0755) = -1 EEXIST (File exists)
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] getegid() = 0
[pid 14859] setresgid(-1, 0, -1) = 0
[pid 14859] getegid() = 0
[pid 14859] stat("/var/lib/snapd/hostfs", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] mount("/tmp/snap.rootfs_qGQ2Z2//var/lib/snapd/hostfs", "/tmp/snap.rootfs_qGQ2Z2//var/lib/snapd/hostfs", NULL, MS_BIND, NULL) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] mount("none", "/tmp/snap.rootfs_qGQ2Z2//var/lib/snapd/hostfs", NULL, MS_PRIVATE, NULL) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: pivot_root"..., 102performing operation: pivot_root /tmp/snap.rootfs_qGQ2Z2 /tmp/snap.rootfs_qGQ2Z2//var/lib/snapd/hostfs) = 102
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] pivot_root("/tmp/snap.rootfs_qGQ2Z2", "/tmp/snap.rootfs_qGQ2Z2//var/lib/snapd/hostfs") = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] umount2("/var/lib/snapd/hostfs//tmp/snap.rootfs_qGQ2Z2", UMOUNT_NOFOLLOW <unfinished ...>
[pid 14890] <... write resumed> ) = 55
[pid 14890] write(2, "\n", 1
) = 1
[pid 14890] open("/proc/14890/attr/current", O_WRONLY) = 9
[pid 14890] write(9, "changehat 0000000000000000^mount"..., 57) = 57
[pid 14890] close(9) = 0
[pid 14890] prctl(PR_SET_PDEATHSIG, SIGINT) = 0
[pid 14890] kill(14859, SIG_0) = 0
[pid 14890] fchdir(4) = 0
[pid 14890] write(2, "DEBUG: ", 7DEBUG: <unfinished ...>
[pid 14859] <... umount2 resumed> ) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: rmdir /var"..., 73performing operation: rmdir /var/lib/snapd/hostfs//tmp/snap.rootfs_qGQ2Z2) = 73
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] rmdir("/tmp/snap.rootfs_qGQ2Z2") = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] mount("none", "/var/lib/snapd/hostfs", NULL, MS_REC|MS_SLAVE, NULL) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] umount2("/var/lib/snapd/hostfs/sys", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid 14890] <... write resumed> ) = 7
[pid 14890] write(2, "helper process waiting for comma"..., 34helper process waiting for command) = 34
[pid 14890] write(2, "\n", 1
) = 1
[pid 14890] rt_sigaction(SIGALRM, {sa_handler=0x40c6c0, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fd85644f390}, NULL, 8) = 0
[pid 14890] alarm(30) = 0
[pid 14890] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14890] write(2, "sanity timeout initialized and s"..., 49sanity timeout initialized and set for 30 seconds) = 49
[pid 14890] write(2, "\n", 1
) = 1
[pid 14890] read(8, <unfinished ...>
[pid 14859] <... umount2 resumed> ) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] umount2("/var/lib/snapd/hostfs/dev", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] umount2("/var/lib/snapd/hostfs/proc", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "detaching /var/lib/snapd/hostfs/"..., 40detaching /var/lib/snapd/hostfs/writable) = 40
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] mount("none", "/var/lib/snapd/hostfs/writable", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] umount2("/var/lib/snapd/hostfs/writable", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "detaching /writable", 19detaching /writable) = 19
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] mount("none", "/writable", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "performing operation: (disabled)"..., 63performing operation: (disabled) use debug build to see details) = 63
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] umount2("/writable", MNT_DETACH|UMOUNT_NOFOLLOW) = 0
[pid 14859] write(2, "DEBUG: ", 7DEBUG: ) = 7
[pid 14859] write(2, "set_effective_identity uid:0 (ch"..., 62set_effective_identity uid:0 (change: no), gid:0 (change: yes)) = 62
[pid 14859] write(2, "\n", 1
) = 1
[pid 14859] getegid() = 0
[pid 14859] setresgid(-1, 0, -1) = 0
[pid 14859] getegid() = 0
[pid 14859] mkdir("/tmp/snap-private-tmp", 0700) = -1 EEXIST (File exists)
[pid 14859] open("/tmp/snap-private-tmp", O_RDONLY|O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC) = -1 EACCES (Permission denied)
[pid 14859] write(2, "cannot open /tmp/snap-private-tm"..., 33cannot open /tmp/snap-private-tmp) = 33
[pid 14859] write(2, ": Permission denied\n", 20: Permission denied
) = 20
[pid 14859] exit_group(1) = ?
[pid 14859] +++ exited with 1 +++
<... read resumed> "", 4) = 0
--- SIGINT {si_signo=SIGINT, si_code=SI_USER, si_pid=14859, si_uid=0} ---
+++ killed by SIGINT +++
error: exit status 1
I see snap-private-tmp directory is created with necessary permissions.
$ sudo ls -ld /tmp/snap-private-tmp/
drwx------ 2 root root 40 Dec 20 10:43 /tmp/snap-private-tmp/
