[Bug 148807] [panic] "panic: sbdrop" and "panic: sbsndptr: sockbuf _ and mbuf _ clashing" (8.1-RELEASE/10.1-STABLE/11-CURRENT)

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=148807

emz at norma.perm.ru changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |emz at norma.perm.ru

--- Comment #28 from emz at norma.perm.ru ---
Got this right now on an update from 10.2-STABLE to 11.0-PRERELEASE. Persistent
in 11.0-RC3. Repeatable in like 5-12 minutes. 25 minutes is an absolute record.

panic: sbsndptr: sockbuf 0xfffff8003eea31b8 and mbuf 0xfffff80020a6e700
clashing

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Unread portion of the kernel message buffer:
panic: sbsndptr: sockbuf 0xfffff8003eea31b8 and mbuf 0xfffff80020a6e700
clashing
cpuid = 1
KDB: stack backtrace:
#0 0xffffffff80b1d0c7 at kdb_backtrace+0x67
#1 0xffffffff80ad1f62 at vpanic+0x182
#2 0xffffffff80ad1dd3 at panic+0x43
#3 0xffffffff80b6a15a at sbsndptr+0xda
#4 0xffffffff80cfcbb4 at tcp_output+0xf34
#5 0xffffffff80cf9a81 at tcp_do_segment+0x2ce1
#6 0xffffffff80cf60cc at tcp_input+0xd1c
#7 0xffffffff80c66dbf at ip_input+0x15f
#8 0xffffffff80bfc295 at netisr_dispatch_src+0xa5
#9 0xffffffff80be4cea at ether_demux+0x12a
#10 0xffffffff80be5942 at ether_nh_input+0x322
#11 0xffffffff80bfc295 at netisr_dispatch_src+0xa5
#12 0xffffffff80be4f66 at ether_input+0x26
#13 0xffffffff80bed9db at vlan_input+0x1cb
#14 0xffffffff80be4c55 at ether_demux+0x95
#15 0xffffffff80be5942 at ether_nh_input+0x322
#16 0xffffffff80bfc295 at netisr_dispatch_src+0xa5
#17 0xffffffff80be4f66 at ether_input+0x26

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