Hi!
I‘m getting frequent segfault errors in my kernel logs for the smtp process.
This began with the first January release (approximately) and seems to be
persisting since then.
[ 4641.047509] smtp[3411]: segfault at 8 ip 00005603ae9767f9 sp
00007fff2354a170 error 4 in smtp[627f9,5603ae923000+54000] likely on CPU 2
(core 2, socket 0)
[ 4641.047529] Code: 24 18 48 8b 6c 24 10 e9 7a f5 ff ff 45 85 e4 7e 19 45 89
e6 48 89 ef e8 f5 cd fa ff 4c 39 f0 4c 8b 74 24 18 0f 82 a6 fe ff ff <0f> b6 45
00 84 c0 74 47 48 ff c5 eb 1d 66 2e 0f 1f 84 00 00 00 00
[ 4701.405471] smtp[3407]: segfault at 8 ip 0000561881d6f7f9 sp
00007ffcfb3d53d0 error 4 in smtp[627f9,561881d1c000+54000] likely on CPU 2
(core 2, socket 0)
[ 4701.405495] Code: 24 18 48 8b 6c 24 10 e9 7a f5 ff ff 45 85 e4 7e 19 45 89
e6 48 89 ef e8 f5 cd fa ff 4c 39 f0 4c 8b 74 24 18 0f 82 a6 fe ff ff <0f> b6 45
00 84 c0 74 47 48 ff c5 eb 1d 66 2e 0f 1f 84 00 00 00 00
[ 4760.870763] smtp[3408]: segfault at 8 ip 000055690df9e7f9 sp
00007ffe803d5fe0 error 4 in smtp[627f9,55690df4b000+54000] likely on CPU 3
(core 3, socket 0)
[ 4760.870784] Code: 24 18 48 8b 6c 24 10 e9 7a f5 ff ff 45 85 e4 7e 19 45 89
e6 48 89 ef e8 f5 cd fa ff 4c 39 f0 4c 8b 74 24 18 0f 82 a6 fe ff ff <0f> b6 45
00 84 c0 74 47 48 ff c5 eb 1d 66 2e 0f 1f 84 00 00 00 00
[ 4760.958855] smtp[3410]: segfault at 8 ip 000055ad652f97f9 sp
00007ffd7a635f60 error 4 in smtp[627f9,55ad652a6000+54000] likely on CPU 0
(core 0, socket 0)
[ 4760.958873] Code: 24 18 48 8b 6c 24 10 e9 7a f5 ff ff 45 85 e4 7e 19 45 89
e6 48 89 ef e8 f5 cd fa ff 4c 39 f0 4c 8b 74 24 18 0f 82 a6 fe ff ff <0f> b6 45
00 84 c0 74 47 48 ff c5 eb 1d 66 2e 0f 1f 84 00 00 00 00
[ 5783.115727] smtp[3720]: segfault at 8 ip 000056119bbee7f9 sp
00007ffcccd05c60 error 4 in smtp[627f9,56119bb9b000+54000] likely on CPU 3
(core 3, socket 0)
[ 5783.115745] Code: 24 18 48 8b 6c 24 10 e9 7a f5 ff ff 45 85 e4 7e 19 45 89
e6 48 89 ef e8 f5 cd fa ff 4c 39 f0 4c 8b 74 24 18 0f 82 a6 fe ff ff <0f> b6 45
00 84 c0 74 47 48 ff c5 eb 1d 66 2e 0f 1f 84 00 00 00 00
[ 5842.487091] smtp[3724]: segfault at 8 ip 000055bd910c37f9 sp
00007fff41cd5650 error 4 in smtp[627f9,55bd91070000+54000] likely on CPU 2
(core 2, socket 0)
[ 5842.487110] Code: 24 18 48 8b 6c 24 10 e9 7a f5 ff ff 45 85 e4 7e 19 45 89
e6 48 89 ef e8 f5 cd fa ff 4c 39 f0 4c 8b 74 24 18 0f 82 a6 fe ff ff <0f> b6 45
00 84 c0 74 47 48 ff c5 eb 1d 66 2e 0f 1f 84 00 00 00 00
[ 5902.717269] smtp[3726]: segfault at 8 ip 00005587a9d757f9 sp
00007ffd72c48720 error 4 in smtp[627f9,5587a9d22000+54000] likely on CPU 2
(core 2, socket 0)
[ 5902.717291] Code: 24 18 48 8b 6c 24 10 e9 7a f5 ff ff 45 85 e4 7e 19 45 89
e6 48 89 ef e8 f5 cd fa ff 4c 39 f0 4c 8b 74 24 18 0f 82 a6 fe ff ff <0f> b6 45
00 84 c0 74 47 48 ff c5 eb 1d 66 2e 0f 1f 84 00 00 00 00
[ 5962.152350] smtp[3718]: segfault at 8 ip 000055eed78527f9 sp
00007fff274955b0 error 4 in smtp[627f9,55eed77ff000+54000] likely on CPU 0
(core 0, socket 0)
[ 5962.152374] Code: 24 18 48 8b 6c 24 10 e9 7a f5 ff ff 45 85 e4 7e 19 45 89
e6 48 89 ef e8 f5 cd fa ff 4c 39 f0 4c 8b 74 24 18 0f 82 a6 fe ff ff <0f> b6 45
00 84 c0 74 47 48 ff c5 eb 1d 66 2e 0f 1f 84 00 00 00 00
[ 5962.295120] smtp[3719]: segfault at 8 ip 000056311fde77f9 sp
00007fffe24d0bc0 error 4 in smtp[627f9,56311fd94000+54000] likely on CPU 2
(core 2, socket 0)
[ 5962.295141] Code: 24 18 48 8b 6c 24 10 e9 7a f5 ff ff 45 85 e4 7e 19 45 89
e6 48 89 ef e8 f5 cd fa ff 4c 39 f0 4c 8b 74 24 18 0f 82 a6 fe ff ff <0f> b6 45
00 84 c0 74 47 48 ff c5 eb 1d 66 2e 0f 1f 84 00 00 00 00
I can‘t really find any meaningful error logs nor warnings in the Postfix logs
that could be related to these segfault messages.
Thanks in advance.
Ömer
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