[Bug 210907] [lor] lock order reversal in /usr/src/sys/kern/kern_jail.c:1031

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Oct 18 06:21:27 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210907

--- Comment #2 from Mark Millard <marklmi26-fbsd at yahoo.com> ---
(In reply to Mark Millard from comment #1)

Typo fixes:

0x32740 should have been: 0x3274
08c should have been 0x8c

Given those . . .

The Lock Order Reversal's back trace and the
crash's back trace are partially the same,
name for name and offset for offset:

#5 0x7f44dc at vnet_alloc+0x118
#6 0x62ab84 at kern_jail_set+0x3274
#7 0x62b62c at sys_jail_set+0x8c
#8 0xa8a798 at trap+0x9a0
#9 0xa7e660 at powerpc_interrupt+0x140

and:

0xe000000047274270: at vnet_alloc+0x118
0xe000000047274300: at kern_jail_set+0x3274
0xe000000047274610: at sys_jail_set+0x8c
0xe000000047274660: at trap+0x9a0
0xe000000047274790: at powerpc_interrupt+0x140

But for:

#4 0x7f4338 at vnet_sysinit+0x38
vs.
0xe000000047274240: at vnet_sysinit+0x70

the offsets are different.

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