Public bug reported:
I just updated for Impish Indri beta release but Widevine is always crashing.
With I disable the GMP sandbox it works fine.
Here is some console logs showing the violations:
```
➜ firefox --ProfileManager
Gtk-Message: 09:58:02.539: Failed to load module "appmenu-gtk-module"
###!!! [Child][RunMessage] Error: Channel closing: too late to
send/recv, messages will be lost
Gtk-Message: 09:58:10.435: Failed to load module "appmenu-gtk-module"
Sandbox: attempt to open unexpected file /usr/lib/firefox/librt.so.1
Sandbox: attempt to open unexpected file /lib/x86_64-linux-gnu/librt.so.1
Sandbox: attempt to open unexpected file
/lib/x86_64-linux-gnu/glibc-hwcaps/x86-64-v3/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/lib/x86_64-linux-gnu/glibc-hwcaps/x86-64-v2/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/lib/x86_64-linux-gnu/tls/haswell/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/lib/x86_64-linux-gnu/tls/haswell/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/lib/x86_64-linux-gnu/tls/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/x86_64-linux-gnu/tls/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/lib/x86_64-linux-gnu/haswell/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/lib/x86_64-linux-gnu/haswell/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/x86_64-linux-gnu/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/x86_64-linux-gnu/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/x86_64-linux-gnu/glibc-hwcaps/x86-64-v3/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/x86_64-linux-gnu/glibc-hwcaps/x86-64-v2/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/x86_64-linux-gnu/tls/haswell/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/x86_64-linux-gnu/tls/haswell/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/x86_64-linux-gnu/tls/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/x86_64-linux-gnu/tls/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/x86_64-linux-gnu/haswell/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/x86_64-linux-gnu/haswell/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/x86_64-linux-gnu/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /usr/lib/x86_64-linux-gnu/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/glibc-hwcaps/x86-64-v3/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/glibc-hwcaps/x86-64-v2/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/tls/haswell/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/tls/haswell/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/tls/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/tls/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/haswell/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/haswell/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /lib/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/glibc-hwcaps/x86-64-v3/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file
/usr/lib/glibc-hwcaps/x86-64-v2/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /usr/lib/tls/haswell/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /usr/lib/tls/haswell/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /usr/lib/tls/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /usr/lib/tls/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /usr/lib/haswell/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /usr/lib/haswell/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /usr/lib/x86_64/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
Sandbox: attempt to open unexpected file /usr/lib/librt.so.1
Sandbox: seccomp sandbox violation: pid 24799, tid 24799, syscall 262, args
4294967196 140721817045120 140721817045312 0 4294967295 140721817045120.
###!!! [Parent][MessageChannel::Call] Error: Channel error: cannot
send/recv
###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv,
messages will be lost
Sandbox: Unexpected EOF, op 0 flags 00 path /proc/cpuinfo
```
I'm using the .deb package version, not the Snap one.
** Affects: firefox (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1945100
Title:
Widevine violates the sandbox and crashes
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