Date: Sat, 20 Jan 2007 19:03:09 +0100 From: Ulrich Spoerlein <uspoerlein@gmail.com> To: Jung-uk Kim <jkim@FreeBSD.org> Cc: freebsd-emulation@FreeBSD.org Subject: Re: A new mmap finger printer Message-ID: <20070120180309.GC1548@roadrunner.q.local> In-Reply-To: <200701200205.41517.jkim@FreeBSD.org> References: <200701191851.08685.jkim@FreeBSD.org> <200701200205.41517.jkim@FreeBSD.org>
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Jung-uk Kim wrote: > http://people.freebsd.org/~jkim/mmap_test.c % uname -a Linux PC03 2.6.17-gentoo-r4 #1 SMP PREEMPT Mon Aug 14 17:19:40 CEST 2006 i686 Intel(R) Celeron(R) CPU 3.06GHz GNU/Linux % ./mmap_test #01: mmap(0, 1024, PROTO_NONE, MAP_SHARED, ...) for filemode O_RDONLY: mmap: OK, read: SIGSEGV, write: SIGSEGV, exec: SIGSEGV #02: mmap(0, 1024, PROTO_READ, MAP_SHARED, ...) for filemode O_RDONLY: mmap: OK, read: 0x41, write: SIGSEGV, exec: OK #03: mmap(0, 1024, PROTO_WRITE, MAP_SHARED, ...) for filemode O_RDONLY: mmap: Permission denied (13) #04: mmap(0, 1024, PROTO_EXEC, MAP_SHARED, ...) for filemode O_RDONLY: mmap: OK, read: 0x41, write: SIGSEGV, exec: OK #05: mmap(0, 1024, PROTO_READ|PROTO_WRITE, MAP_SHARED, ...) for filemode O_RDONLY: mmap: Permission denied (13) #06: mmap(0, 1024, PROTO_READ|PROTO_EXEC, MAP_SHARED, ...) for filemode O_RDONLY: mmap: OK, read: 0x41, write: SIGSEGV, exec: OK #07: mmap(0, 1024, PROTO_WRITE|PROTO_EXEC, MAP_SHARED, ...) for filemode O_RDONLY: mmap: Permission denied (13) #08: mmap(0, 1024, PROTO_READ|PROTO_WRITE|PROTO_EXEC, MAP_SHARED, ...) for filemode O_RDONLY: mmap: Permission denied (13) #09: mmap(0, 1024, PROTO_NONE, MAP_PRIVATE, ...) for filemode O_RDONLY: mmap: OK, read: SIGSEGV, write: SIGSEGV, exec: SIGSEGV #10: mmap(0, 1024, PROTO_READ, MAP_PRIVATE, ...) for filemode O_RDONLY: mmap: OK, read: 0x41, write: SIGSEGV, exec: OK #11: mmap(0, 1024, PROTO_WRITE, MAP_PRIVATE, ...) for filemode O_RDONLY: mmap: OK, read: SIGSEGV, write: OK, exec: OK #12: mmap(0, 1024, PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_RDONLY: mmap: OK, read: 0x41, write: SIGSEGV, exec: OK #13: mmap(0, 1024, PROTO_READ|PROTO_WRITE, MAP_PRIVATE, ...) for filemode O_RDONLY: mmap: OK, read: 0x41, write: OK, exec: OK #14: mmap(0, 1024, PROTO_READ|PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_RDONLY: mmap: OK, read: 0x41, write: SIGSEGV, exec: OK #15: mmap(0, 1024, PROTO_WRITE|PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_RDONLY: mmap: OK, read: 0x41, write: OK, exec: OK #16: mmap(0, 1024, PROTO_READ|PROTO_WRITE|PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_RDONLY: mmap: OK, read: 0x41, write: OK, exec: OK #17: mmap(0, 1024, PROTO_NONE, MAP_SHARED, ...) for filemode O_WRONLY: mmap: Permission denied (13) #18: mmap(0, 1024, PROTO_READ, MAP_SHARED, ...) for filemode O_WRONLY: mmap: Permission denied (13) #19: mmap(0, 1024, PROTO_WRITE, MAP_SHARED, ...) for filemode O_WRONLY: mmap: Permission denied (13) #20: mmap(0, 1024, PROTO_EXEC, MAP_SHARED, ...) for filemode O_WRONLY: mmap: Permission denied (13) #21: mmap(0, 1024, PROTO_READ|PROTO_WRITE, MAP_SHARED, ...) for filemode O_WRONLY: mmap: Permission denied (13) #22: mmap(0, 1024, PROTO_READ|PROTO_EXEC, MAP_SHARED, ...) for filemode O_WRONLY: mmap: Permission denied (13) #23: mmap(0, 1024, PROTO_WRITE|PROTO_EXEC, MAP_SHARED, ...) for filemode O_WRONLY: mmap: Permission denied (13) #24: mmap(0, 1024, PROTO_READ|PROTO_WRITE|PROTO_EXEC, MAP_SHARED, ...) for filemode O_WRONLY: mmap: Permission denied (13) #25: mmap(0, 1024, PROTO_NONE, MAP_PRIVATE, ...) for filemode O_WRONLY: mmap: Permission denied (13) #26: mmap(0, 1024, PROTO_READ, MAP_PRIVATE, ...) for filemode O_WRONLY: mmap: Permission denied (13) #27: mmap(0, 1024, PROTO_WRITE, MAP_PRIVATE, ...) for filemode O_WRONLY: mmap: Permission denied (13) #28: mmap(0, 1024, PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_WRONLY: mmap: Permission denied (13) #29: mmap(0, 1024, PROTO_READ|PROTO_WRITE, MAP_PRIVATE, ...) for filemode O_WRONLY: mmap: Permission denied (13) #30: mmap(0, 1024, PROTO_READ|PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_WRONLY: mmap: Permission denied (13) #31: mmap(0, 1024, PROTO_WRITE|PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_WRONLY: mmap: Permission denied (13) #32: mmap(0, 1024, PROTO_READ|PROTO_WRITE|PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_WRONLY: mmap: Permission denied (13) #33: mmap(0, 1024, PROTO_NONE, MAP_SHARED, ...) for filemode O_RDWR: mmap: OK, read: SIGSEGV, write: SIGSEGV, exec: SIGSEGV #34: mmap(0, 1024, PROTO_READ, MAP_SHARED, ...) for filemode O_RDWR: mmap: OK, read: 0x41, write: SIGSEGV, exec: OK #35: mmap(0, 1024, PROTO_WRITE, MAP_SHARED, ...) for filemode O_RDWR: mmap: OK, read: SIGSEGV, write: OK, exec: OK #36: mmap(0, 1024, PROTO_EXEC, MAP_SHARED, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: SIGSEGV, exec: OK #37: mmap(0, 1024, PROTO_READ|PROTO_WRITE, MAP_SHARED, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: OK, exec: OK #38: mmap(0, 1024, PROTO_READ|PROTO_EXEC, MAP_SHARED, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: SIGSEGV, exec: OK #39: mmap(0, 1024, PROTO_WRITE|PROTO_EXEC, MAP_SHARED, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: OK, exec: OK #40: mmap(0, 1024, PROTO_READ|PROTO_WRITE|PROTO_EXEC, MAP_SHARED, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: OK, exec: OK #41: mmap(0, 1024, PROTO_NONE, MAP_PRIVATE, ...) for filemode O_RDWR: mmap: OK, read: SIGSEGV, write: SIGSEGV, exec: SIGSEGV #42: mmap(0, 1024, PROTO_READ, MAP_PRIVATE, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: SIGSEGV, exec: OK #43: mmap(0, 1024, PROTO_WRITE, MAP_PRIVATE, ...) for filemode O_RDWR: mmap: OK, read: SIGSEGV, write: OK, exec: OK #44: mmap(0, 1024, PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: SIGSEGV, exec: OK #45: mmap(0, 1024, PROTO_READ|PROTO_WRITE, MAP_PRIVATE, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: OK, exec: OK #46: mmap(0, 1024, PROTO_READ|PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: SIGSEGV, exec: OK #47: mmap(0, 1024, PROTO_WRITE|PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: OK, exec: OK #48: mmap(0, 1024, PROTO_READ|PROTO_WRITE|PROTO_EXEC, MAP_PRIVATE, ...) for filemode O_RDWR: mmap: OK, read: 0x42, write: OK, exec: OK #49: mmap(0, 1024, PROTO_NONE, MAP_ANON|MAP_SHARED, ...) for filemode N/A: mmap: OK, read: SIGSEGV, write: SIGSEGV, exec: SIGSEGV #50: mmap(0, 1024, PROTO_READ, MAP_ANON|MAP_SHARED, ...) for filemode N/A: mmap: OK, read: 0x00, write: SIGSEGV, exec: SIGSEGV #51: mmap(0, 1024, PROTO_WRITE, MAP_ANON|MAP_SHARED, ...) for filemode N/A: mmap: OK, read: SIGSEGV, write: OK, exec: OK #52: mmap(0, 1024, PROTO_EXEC, MAP_ANON|MAP_SHARED, ...) for filemode N/A: mmap: OK, read: 0x00, write: SIGSEGV, exec: SIGSEGV #53: mmap(0, 1024, PROTO_READ|PROTO_WRITE, MAP_ANON|MAP_SHARED, ...) for filemode N/A: mmap: OK, read: 0x00, write: OK, exec: OK #54: mmap(0, 1024, PROTO_READ|PROTO_EXEC, MAP_ANON|MAP_SHARED, ...) for filemode N/A: mmap: OK, read: 0x00, write: SIGSEGV, exec: SIGSEGV #55: mmap(0, 1024, PROTO_WRITE|PROTO_EXEC, MAP_ANON|MAP_SHARED, ...) for filemode N/A: mmap: OK, read: 0x00, write: OK, exec: OK #56: mmap(0, 1024, PROTO_READ|PROTO_WRITE|PROTO_EXEC, MAP_ANON|MAP_SHARED, ...) for filemode N/A: mmap: OK, read: 0x00, write: OK, exec: OK #57: mmap(0, 1024, PROTO_NONE, MAP_ANON|MAP_PRIVATE, ...) for filemode N/A: mmap: OK, read: SIGSEGV, write: SIGSEGV, exec: SIGSEGV #58: mmap(0, 1024, PROTO_READ, MAP_ANON|MAP_PRIVATE, ...) for filemode N/A: mmap: OK, read: 0x00, write: SIGSEGV, exec: SIGSEGV #59: mmap(0, 1024, PROTO_WRITE, MAP_ANON|MAP_PRIVATE, ...) for filemode N/A: mmap: OK, read: SIGSEGV, write: OK, exec: OK #60: mmap(0, 1024, PROTO_EXEC, MAP_ANON|MAP_PRIVATE, ...) for filemode N/A: mmap: OK, read: 0x00, write: SIGSEGV, exec: SIGSEGV #61: mmap(0, 1024, PROTO_READ|PROTO_WRITE, MAP_ANON|MAP_PRIVATE, ...) for filemode N/A: mmap: OK, read: 0x00, write: OK, exec: OK #62: mmap(0, 1024, PROTO_READ|PROTO_EXEC, MAP_ANON|MAP_PRIVATE, ...) for filemode N/A: mmap: OK, read: 0x00, write: SIGSEGV, exec: SIGSEGV #63: mmap(0, 1024, PROTO_WRITE|PROTO_EXEC, MAP_ANON|MAP_PRIVATE, ...) for filemode N/A: mmap: OK, read: 0x00, write: OK, exec: OK #64: mmap(0, 1024, PROTO_READ|PROTO_WRITE|PROTO_EXEC, MAP_ANON|MAP_PRIVATE, ...) for filemode N/A: mmap: OK, read: 0x00, write: OK, exec: OK Ulrich Spoerlein -- A: Yes. >Q: Are you sure? > >A: Because it reverses the logical flow of conversation. > >>Q: Why is top posting frowned upon?
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