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Re: McAfee VirusScan for Linux 4.1.6l



On 4 Feb 2003, Arjan van de Ven wrote:

> On Tue, 2003-02-04 at 17:42, Jason wrote:
> > Then is this what is being discussed in this e-mail from Ingo Molnar:
> > http://www.uwsg.iu.edu/hypermail/linux/kernel/0209.3/0689.html
> 
> it can't be that since those patches are all integrated.
> What's most likely is that there's a deadlock in the application that
> was just hard to trigger before, or (less likely) a bug in the new
> thread library...

Also that reference suggests problems with forks, and as far as I can tell
there is just one process and single threaded. The straces are

with LD_ASSUME_KERNEL=2.2.5
...
close(4)                                = 0
munmap(0x4038a000, 4096)                = 0
time(NULL)                              = 1044379966
open("/proc/devices", O_RDONLY)         = 4
fstat64(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x4038a000
read(4, "Character devices:\n  1 mem\n  2 p"..., 4096) = 409
stat64("/dev/hda", {st_mode=S_IFBLK|0660, st_rdev=makedev(3, 0), ...}) = 0
stat64("/dev/hda", {st_mode=S_IFBLK|0660, st_rdev=makedev(3, 0), ...}) = 0
open("/dev/hda", O_RDONLY)              = -1 EACCES (Permission denied)
...

native phoebe2
...
close(4)                                = 0
munmap(0x40255000, 4096)                = 0
time(NULL)                              = 1044380411
open("/proc/devices", O_RDONLY)         = 4
fstat64(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x40255000
read(4, "Character devices:\n  1 mem\n  2 p"..., 4096) = 409
futex(0x82c38f8, FUTEX_WAIT, -39, NULL

I can bugzilla this if anything useful can be done; the program
is of course binary only.

	Michael Young





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