Re: [Qemu-devel] [PATCH v2] linux-user: do setrlimit selectively

2018-09-17 Thread Peter Maydell
On 5 September 2018 at 17:18, Max Filippov wrote: > setrlimit guest calls that affect memory resources > (RLIMIT_{AS,DATA,STACK}) may interfere with QEMU internal memory > management. They may result in QEMU lockup because mprotect call in > page_unprotect would fail with ENOMEM error code, causin

[Qemu-devel] [PATCH v2] linux-user: do setrlimit selectively

2018-09-05 Thread Max Filippov
setrlimit guest calls that affect memory resources (RLIMIT_{AS,DATA,STACK}) may interfere with QEMU internal memory management. They may result in QEMU lockup because mprotect call in page_unprotect would fail with ENOMEM error code, causing infinite loop of SIGSEGV. E.g. it happens when running li