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List:       clamav-users
Subject:    Re: [clamav-users] Lots of "fmap_readpage" errors with ClamAV 0.99.2 on centos 7
From:       Ardavast Dayleryan <ardavast () noiseoverip ! com>
Date:       2017-06-15 14:43:38
Message-ID: CAG=VjE=dR8UH0XqOHQGrRg9w8MdWsaqoc+zLDKDDpZ3Xpsd5wg () mail ! gmail ! com
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In strace, the error looks like that:

[pid  2062] readlink("/proc/self/fd/10",
"/usr/share/dbus-1/system-services", 1023) = 33
[pid  2062] fstat(10, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid  2062] fstat(10, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid  2062] fstat(10, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid  2062] fstat(10, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid  2062] mmap(NULL, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f547b1dc000
[pid  2062] madvise(0x7f547b1dc000, 8192, MADV_DOFORK) = 0
[pid  2062] pread(10, 0x7f547b1dd000, 4096, 0) = -1 EISDIR (Is a directory)
[pid  2062] write(2, "LibClamAV Error: fmap_readpage: pread error: Is a
directory\n", 60) = 60

or, when I try /bin/ls /
[pid  2562] readlink("/proc/self/fd/22", "/", 1023) = 1
[pid  2562] fstat(22, {st_mode=S_IFDIR|0555, st_size=259, ...}) = 0
[pid  2562] fstat(22, {st_mode=S_IFDIR|0555, st_size=259, ...}) = 0
[pid  2562] fstat(22, {st_mode=S_IFDIR|0555, st_size=259, ...}) = 0
[pid  2562] fstat(22, {st_mode=S_IFDIR|0555, st_size=259, ...}) = 0
[pid  2562] mmap(NULL, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadbb7f2000
[pid  2562] madvise(0x7fadbb7f2000, 8192, MADV_DOFORK) = 0
[pid  2562] pread(22, 0x7fadbb7f3000, 259, 0) = -1 EISDIR (Is a directory)
[pid  2562] write(2, "LibClamAV Error: fmap_readpage: pread error: Is a
directory\n", 60) = 60

I guess that this happens in onas_fan_th() when it gets an event about a
directory, but I'm not sure what to do now.
Does anybody have suggestions?
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