BUG: unable to handle kernel paging request at ffffc7ff81000398 (sys_kexec_load)
Sasha Levin
levinsasha928 at gmail.com
Sun Jan 22 02:18:45 EST 2012
On Sat, 2012-01-21 at 20:49 -0800, Eric W. Biederman wrote:
> Sasha Levin <levinsasha928 at gmail.com> writes:
>
> > Hi All,
> >
> > I got the following BUG() while running trinity within KVM tool.
> >
> > It looks like the result of a kexec_load(), but I couldn't find any
> > mention of it in the logs - which is strange since logs are supposed
> > to be flushed before actual syscall runs.
>
> Interesting.
>
> The fact that this happens in native_set_pte would suggest that we are
> trying to write to a page table that does not exist. So this might
> be a layer below kexec_load that has the problem.
>
> Do you have the kernel you were testing? A disassembly of the
> native_set_pte, machine_kexec_prepare and sys_kexec_load
> would be interesting, for attempting to trace this back to what went
> wrong.
Yup, It's a pretty simple build of linux-next from today.
>From what I gather, native_set_pte is a simple short function, it also
gets inlined so the disassembly is pretty trivial. I've attached
disassembly of other two functions.
--
Sasha.
-------------- next part --------------
0000000000000c00 <sys_kexec_load>:
c00: 55 push %rbp
c01: 48 89 e5 mov %rsp,%rbp
c04: 48 81 ec 90 00 00 00 sub $0x90,%rsp
c0b: 48 89 5d d8 mov %rbx,-0x28(%rbp)
c0f: 4c 89 6d e8 mov %r13,-0x18(%rbp)
c13: 4c 89 75 f0 mov %r14,-0x10(%rbp)
c17: 4c 89 7d f8 mov %r15,-0x8(%rbp)
c1b: 4c 89 65 e0 mov %r12,-0x20(%rbp)
c1f: 49 89 d7 mov %rdx,%r15
c22: 49 89 fe mov %rdi,%r14
c25: 48 89 f3 mov %rsi,%rbx
c28: 49 89 cd mov %rcx,%r13
c2b: bf 16 00 00 00 mov $0x16,%edi
c30: e8 00 00 00 00 callq c35 <sys_kexec_load+0x35>
c35: 89 c2 mov %eax,%edx
c37: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
c3e: 84 d2 test %dl,%dl
c40: 75 1e jne c60 <sys_kexec_load+0x60>
c42: 48 8b 5d d8 mov -0x28(%rbp),%rbx
c46: 4c 8b 65 e0 mov -0x20(%rbp),%r12
c4a: 4c 8b 6d e8 mov -0x18(%rbp),%r13
c4e: 4c 8b 75 f0 mov -0x10(%rbp),%r14
c52: 4c 8b 7d f8 mov -0x8(%rbp),%r15
c56: c9 leaveq
c57: c3 retq
c58: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1)
c5f: 00
c60: b0 ea mov $0xea,%al
c62: 41 f7 c5 fc ff 00 00 test $0xfffc,%r13d
c69: 75 d7 jne c42 <sys_kexec_load+0x42>
c6b: 4c 89 ea mov %r13,%rdx
c6e: 81 e2 00 00 ff ff and $0xffff0000,%edx
c74: 74 09 je c7f <sys_kexec_load+0x7f>
c76: 48 81 fa 00 00 3e 00 cmp $0x3e0000,%rdx
c7d: 75 c3 jne c42 <sys_kexec_load+0x42>
c7f: 48 c7 c0 ea ff ff ff mov $0xffffffffffffffea,%rax
c86: 48 83 fb 10 cmp $0x10,%rbx
c8a: 77 b6 ja c42 <sys_kexec_load+0x42>
c8c: 48 c7 c7 00 00 00 00 mov $0x0,%rdi
c93: e8 00 00 00 00 callq c98 <sys_kexec_load+0x98>
c98: 89 c2 mov %eax,%edx
c9a: 48 c7 c0 f0 ff ff ff mov $0xfffffffffffffff0,%rax
ca1: 85 d2 test %edx,%edx
ca3: 74 9d je c42 <sys_kexec_load+0x42>
ca5: 48 c7 45 a0 00 00 00 movq $0x0,-0x60(%rbp)
cac: 00
cad: 44 89 e8 mov %r13d,%eax
cb0: 83 e0 01 and $0x1,%eax
cb3: 89 45 94 mov %eax,-0x6c(%rbp)
cb6: 48 c7 c0 00 00 00 00 mov $0x0,%rax
cbd: 48 0f 44 45 a0 cmove -0x60(%rbp),%rax
cc2: 45 31 e4 xor %r12d,%r12d
cc5: 48 89 45 a0 mov %rax,-0x60(%rbp)
cc9: 48 85 db test %rbx,%rbx
ccc: 0f 84 04 03 00 00 je fd6 <sys_kexec_load+0x3d6>
cd2: 41 f6 c5 01 test $0x1,%r13b
cd6: 0f 84 fd 03 00 00 je 10d9 <sys_kexec_load+0x4d9>
cdc: 31 c0 xor %eax,%eax
cde: 83 7d 94 00 cmpl $0x0,-0x6c(%rbp)
ce2: 0f 85 75 01 00 00 jne e5d <sys_kexec_load+0x25d>
ce8: 49 89 c4 mov %rax,%r12
ceb: 41 80 e5 02 and $0x2,%r13b
cef: 74 09 je cfa <sys_kexec_load+0xfa>
cf1: 41 80 8c 24 78 02 00 orb $0x2,0x278(%r12)
cf8: 00 02
cfa: 4c 89 e7 mov %r12,%rdi
cfd: e8 00 00 00 00 callq d02 <sys_kexec_load+0x102>
d02: 85 c0 test %eax,%eax
d04: 0f 85 95 01 00 00 jne e9f <sys_kexec_load+0x29f>
d0a: 4d 89 e5 mov %r12,%r13
d0d: 48 c7 45 98 00 00 00 movq $0x0,-0x68(%rbp)
d14: 00
d15: 48 89 5d 80 mov %rbx,-0x80(%rbp)
d19: 41 f6 84 24 78 02 00 testb $0x1,0x278(%r12)
d20: 00 01
d22: 0f 85 bc 02 00 00 jne fe4 <sys_kexec_load+0x3e4>
d28: 49 8b 45 40 mov 0x40(%r13),%rax
d2c: 4c 89 e7 mov %r12,%rdi
d2f: 48 89 45 b8 mov %rax,-0x48(%rbp)
d33: 49 8b 45 48 mov 0x48(%r13),%rax
d37: 48 89 45 b0 mov %rax,-0x50(%rbp)
d3b: 4d 8b 75 50 mov 0x50(%r13),%r14
d3f: 4d 8b 7d 58 mov 0x58(%r13),%r15
d43: 4c 89 f3 mov %r14,%rbx
d46: 48 81 e3 00 f0 ff ff and $0xfffffffffffff000,%rbx
d4d: 48 89 de mov %rbx,%rsi
d50: 48 83 ce 01 or $0x1,%rsi
d54: e8 c7 f8 ff ff callq 620 <kimage_add_entry>
d59: 83 f8 00 cmp $0x0,%eax
d5c: 0f 85 15 04 00 00 jne 1177 <sys_kexec_load+0x577>
d62: 49 89 5c 24 18 mov %rbx,0x18(%r12)
d67: 4c 89 6d a8 mov %r13,-0x58(%rbp)
d6b: 4d 85 ff test %r15,%r15
d6e: 0f 84 1a 02 00 00 je f8e <sys_kexec_load+0x38e>
d74: 4c 89 f2 mov %r14,%rdx
d77: be d2 00 02 00 mov $0x200d2,%esi
d7c: 4c 89 e7 mov %r12,%rdi
d7f: e8 dc f5 ff ff callq 360 <kimage_alloc_page>
d84: 48 85 c0 test %rax,%rax
d87: 0f 84 39 03 00 00 je 10c6 <sys_kexec_load+0x4c6>
d8d: 48 bb 00 00 00 00 00 movabs $0x160000000000,%rbx
d94: 16 00 00
d97: 4c 89 e7 mov %r12,%rdi
d9a: 48 8d 1c 18 lea (%rax,%rbx,1),%rbx
d9e: 48 c1 fb 06 sar $0x6,%rbx
da2: 48 c1 e3 0c shl $0xc,%rbx
da6: 48 89 de mov %rbx,%rsi
da9: 48 83 ce 08 or $0x8,%rsi
dad: e8 6e f8 ff ff callq 620 <kimage_add_entry>
db2: 83 f8 00 cmp $0x0,%eax
db5: 0f 85 cd 01 00 00 jne f88 <sys_kexec_load+0x388>
dbb: 49 81 44 24 18 00 10 addq $0x1000,0x18(%r12)
dc2: 00 00
dc4: 31 d2 xor %edx,%edx
dc6: be 32 00 00 00 mov $0x32,%esi
dcb: 48 c7 c7 00 00 00 00 mov $0x0,%rdi
dd2: e8 00 00 00 00 callq dd7 <sys_kexec_load+0x1d7>
dd7: 48 b8 00 00 00 00 00 movabs $0xffff880000000000,%rax
dde: 88 ff ff
de1: 48 8d 04 03 lea (%rbx,%rax,1),%rax
de5: bb 00 10 00 00 mov $0x1000,%ebx
dea: 48 89 c7 mov %rax,%rdi
ded: 48 89 85 78 ff ff ff mov %rax,-0x88(%rbp)
df4: e8 00 00 00 00 callq df9 <sys_kexec_load+0x1f9>
df9: 4c 8b 6d b0 mov -0x50(%rbp),%r13
dfd: 4c 89 f7 mov %r14,%rdi
e00: 81 e7 ff 0f 00 00 and $0xfff,%edi
e06: 48 29 fb sub %rdi,%rbx
e09: 48 89 bd 70 ff ff ff mov %rdi,-0x90(%rbp)
e10: 4c 39 fb cmp %r15,%rbx
e13: 49 0f 47 df cmova %r15,%rbx
e17: 48 3b 5d b0 cmp -0x50(%rbp),%rbx
e1b: 4c 0f 46 eb cmovbe %rbx,%r13
e1f: e8 00 00 00 00 callq e24 <sys_kexec_load+0x224>
e24: 48 8b 85 78 ff ff ff mov -0x88(%rbp),%rax
e2b: 48 8b bd 70 ff ff ff mov -0x90(%rbp),%rdi
e32: 44 89 ea mov %r13d,%edx
e35: 48 8d 3c 38 lea (%rax,%rdi,1),%rdi
e39: 48 8b 75 b8 mov -0x48(%rbp),%rsi
e3d: e8 00 00 00 00 callq e42 <sys_kexec_load+0x242>
e42: 85 c0 test %eax,%eax
e44: 0f 85 12 01 00 00 jne f5c <sys_kexec_load+0x35c>
e4a: 4c 29 6d b0 sub %r13,-0x50(%rbp)
e4e: 49 01 de add %rbx,%r14
e51: 48 01 5d b8 add %rbx,-0x48(%rbp)
e55: 49 29 df sub %rbx,%r15
e58: e9 0e ff ff ff jmpq d6b <sys_kexec_load+0x16b>
e5d: 4c 89 e7 mov %r12,%rdi
e60: 48 87 3d 00 00 00 00 xchg %rdi,0x0(%rip) # e67 <sys_kexec_load+0x267>
e67: e8 f4 f3 ff ff callq 260 <kimage_free>
e6c: 48 c7 45 c8 00 00 00 movq $0x0,-0x38(%rbp)
e73: 00
e74: b8 9d ff ff ff mov $0xffffff9d,%eax
e79: 4c 3b 35 00 00 00 00 cmp 0x0(%rip),%r14 # e80 <sys_kexec_load+0x280>
e80: 73 44 jae ec6 <sys_kexec_load+0x2c6>
e82: 89 85 78 ff ff ff mov %eax,-0x88(%rbp)
e88: 48 8b 7d c8 mov -0x38(%rbp),%rdi
e8c: 45 31 e4 xor %r12d,%r12d
e8f: e8 00 00 00 00 callq e94 <sys_kexec_load+0x294>
e94: e8 00 00 00 00 callq e99 <sys_kexec_load+0x299>
e99: 8b 85 78 ff ff ff mov -0x88(%rbp),%eax
e9f: 89 85 78 ff ff ff mov %eax,-0x88(%rbp)
ea5: 48 c7 c7 00 00 00 00 mov $0x0,%rdi
eac: e8 00 00 00 00 callq eb1 <sys_kexec_load+0x2b1>
eb1: 4c 89 e7 mov %r12,%rdi
eb4: e8 a7 f3 ff ff callq 260 <kimage_free>
eb9: 8b 85 78 ff ff ff mov -0x88(%rbp),%eax
ebf: 48 98 cltq
ec1: e9 7c fd ff ff jmpq c42 <sys_kexec_load+0x42>
ec6: 4c 3b 35 00 00 00 00 cmp 0x0(%rip),%r14 # ecd <sys_kexec_load+0x2cd>
ecd: 77 b3 ja e82 <sys_kexec_load+0x282>
ecf: 48 8d 7d c8 lea -0x38(%rbp),%rdi
ed3: 4c 89 f9 mov %r15,%rcx
ed6: 48 89 da mov %rbx,%rdx
ed9: 4c 89 f6 mov %r14,%rsi
edc: e8 1f f8 ff ff callq 700 <do_kimage_alloc>
ee1: 85 c0 test %eax,%eax
ee3: 75 9d jne e82 <sys_kexec_load+0x282>
ee5: 4c 8b 65 c8 mov -0x38(%rbp),%r12
ee9: 48 8b 0d 00 00 00 00 mov 0x0(%rip),%rcx # ef0 <sys_kexec_load+0x2f0>
ef0: 4c 89 e0 mov %r12,%rax
ef3: 41 80 8c 24 78 02 00 orb $0x1,0x278(%r12)
efa: 00 01
efc: 49 89 8c 24 70 02 00 mov %rcx,0x270(%r12)
f03: 00
f04: 48 8b 3d 00 00 00 00 mov 0x0(%rip),%rdi # f0b <sys_kexec_load+0x30b>
f0b: 31 d2 xor %edx,%edx
f0d: 48 8b 70 50 mov 0x50(%rax),%rsi
f11: 4c 8b 40 58 mov 0x58(%rax),%r8
f15: 48 39 f1 cmp %rsi,%rcx
f18: 77 4c ja f66 <sys_kexec_load+0x366>
f1a: 4a 8d 74 06 ff lea -0x1(%rsi,%r8,1),%rsi
f1f: 48 39 fe cmp %rdi,%rsi
f22: 77 42 ja f66 <sys_kexec_load+0x366>
f24: 48 ff c2 inc %rdx
f27: 48 83 c0 20 add $0x20,%rax
f2b: 48 39 d3 cmp %rdx,%rbx
f2e: 77 dd ja f0d <sys_kexec_load+0x30d>
f30: 4c 89 e7 mov %r12,%rdi
f33: be 01 00 00 00 mov $0x1,%esi
f38: e8 00 00 00 00 callq f3d <sys_kexec_load+0x33d>
f3d: 49 89 44 24 28 mov %rax,0x28(%r12)
f42: 4c 8b 65 c8 mov -0x38(%rbp),%r12
f46: 49 83 7c 24 28 00 cmpq $0x0,0x28(%r12)
f4c: 74 22 je f70 <sys_kexec_load+0x370>
f4e: e8 00 00 00 00 callq f53 <sys_kexec_load+0x353>
f53: e9 93 fd ff ff jmpq ceb <sys_kexec_load+0xeb>
f58: 4c 8b 65 a8 mov -0x58(%rbp),%r12
f5c: b8 f2 ff ff ff mov $0xfffffff2,%eax
f61: e9 39 ff ff ff jmpq e9f <sys_kexec_load+0x29f>
f66: b8 9d ff ff ff mov $0xffffff9d,%eax
f6b: e9 12 ff ff ff jmpq e82 <sys_kexec_load+0x282>
f70: 48 c7 c7 00 00 00 00 mov $0x0,%rdi
f77: 31 c0 xor %eax,%eax
f79: e8 00 00 00 00 callq f7e <sys_kexec_load+0x37e>
f7e: b8 f4 ff ff ff mov $0xfffffff4,%eax
f83: e9 fa fe ff ff jmpq e82 <sys_kexec_load+0x282>
f88: 0f 8d 36 fe ff ff jge dc4 <sys_kexec_load+0x1c4>
f8e: 4c 8b 6d a8 mov -0x58(%rbp),%r13
f92: 85 c0 test %eax,%eax
f94: 0f 85 05 ff ff ff jne e9f <sys_kexec_load+0x29f>
f9a: 48 ff 45 98 incq -0x68(%rbp)
f9e: 49 83 c5 20 add $0x20,%r13
fa2: 48 8b 45 98 mov -0x68(%rbp),%rax
fa6: 48 39 45 80 cmp %rax,-0x80(%rbp)
faa: 0f 87 69 fd ff ff ja d19 <sys_kexec_load+0x119>
fb0: 49 8b 44 24 08 mov 0x8(%r12),%rax
fb5: 48 83 38 00 cmpq $0x0,(%rax)
fb9: 74 09 je fc4 <sys_kexec_load+0x3c4>
fbb: 48 83 c0 08 add $0x8,%rax
fbf: 49 89 44 24 08 mov %rax,0x8(%r12)
fc4: 48 c7 00 04 00 00 00 movq $0x4,(%rax)
fcb: 83 7d 94 00 cmpl $0x0,-0x6c(%rbp)
fcf: 74 05 je fd6 <sys_kexec_load+0x3d6>
fd1: e8 00 00 00 00 callq fd6 <sys_kexec_load+0x3d6>
fd6: 48 8b 45 a0 mov -0x60(%rbp),%rax
fda: 4c 87 20 xchg %r12,(%rax)
fdd: 31 c0 xor %eax,%eax
fdf: e9 bb fe ff ff jmpq e9f <sys_kexec_load+0x29f>
fe4: 49 8b 45 40 mov 0x40(%r13),%rax
fe8: 48 89 45 b0 mov %rax,-0x50(%rbp)
fec: 4d 8b 75 48 mov 0x48(%r13),%r14
ff0: 49 8b 5d 58 mov 0x58(%r13),%rbx
ff4: 49 8b 45 50 mov 0x50(%r13),%rax
ff8: 4c 89 65 a8 mov %r12,-0x58(%rbp)
ffc: 48 89 45 b8 mov %rax,-0x48(%rbp)
1000: 48 85 db test %rbx,%rbx
1003: 0f 84 c7 00 00 00 je 10d0 <sys_kexec_load+0x4d0>
1009: 4c 8b 65 b8 mov -0x48(%rbp),%r12
100d: 48 b8 00 00 00 00 00 movabs $0xffffea0000000000,%rax
1014: ea ff ff
1017: 49 c1 ec 0c shr $0xc,%r12
101b: 49 c1 e4 06 shl $0x6,%r12
101f: 49 8d 04 04 lea (%r12,%rax,1),%rax
1023: 48 85 c0 test %rax,%rax
1026: 0f 84 96 00 00 00 je 10c2 <sys_kexec_load+0x4c2>
102c: 31 d2 xor %edx,%edx
102e: be 32 00 00 00 mov $0x32,%esi
1033: 48 c7 c7 00 00 00 00 mov $0x0,%rdi
103a: 41 bf 00 10 00 00 mov $0x1000,%r15d
1040: e8 00 00 00 00 callq 1045 <sys_kexec_load+0x445>
1045: 4c 89 e2 mov %r12,%rdx
1048: 48 b8 00 00 00 00 00 movabs $0xffff880000000000,%rax
104f: 88 ff ff
1052: 48 c1 e2 06 shl $0x6,%rdx
1056: 48 01 c2 add %rax,%rdx
1059: 48 8b 45 b8 mov -0x48(%rbp),%rax
105d: 25 ff 0f 00 00 and $0xfff,%eax
1062: 48 01 c2 add %rax,%rdx
1065: 49 29 c7 sub %rax,%r15
1068: 48 89 55 88 mov %rdx,-0x78(%rbp)
106c: 49 39 df cmp %rbx,%r15
106f: 4c 0f 47 fb cmova %rbx,%r15
1073: 4d 89 fc mov %r15,%r12
1076: 4d 39 f7 cmp %r14,%r15
1079: 76 17 jbe 1092 <sys_kexec_load+0x492>
107b: 48 8b 7d 88 mov -0x78(%rbp),%rdi
107f: 4c 89 fa mov %r15,%rdx
1082: 4c 01 f7 add %r14,%rdi
1085: 4c 29 f2 sub %r14,%rdx
1088: 31 f6 xor %esi,%esi
108a: 4d 89 f4 mov %r14,%r12
108d: e8 00 00 00 00 callq 1092 <sys_kexec_load+0x492>
1092: e8 00 00 00 00 callq 1097 <sys_kexec_load+0x497>
1097: 44 89 e2 mov %r12d,%edx
109a: 48 8b 75 b0 mov -0x50(%rbp),%rsi
109e: 48 8b 7d 88 mov -0x78(%rbp),%rdi
10a2: e8 00 00 00 00 callq 10a7 <sys_kexec_load+0x4a7>
10a7: 85 c0 test %eax,%eax
10a9: 0f 85 a9 fe ff ff jne f58 <sys_kexec_load+0x358>
10af: 4d 29 e6 sub %r12,%r14
10b2: 4c 01 7d b8 add %r15,-0x48(%rbp)
10b6: 4c 01 7d b0 add %r15,-0x50(%rbp)
10ba: 4c 29 fb sub %r15,%rbx
10bd: e9 3e ff ff ff jmpq 1000 <sys_kexec_load+0x400>
10c2: 4c 8b 65 a8 mov -0x58(%rbp),%r12
10c6: b8 f4 ff ff ff mov $0xfffffff4,%eax
10cb: e9 cf fd ff ff jmpq e9f <sys_kexec_load+0x29f>
10d0: 4c 8b 65 a8 mov -0x58(%rbp),%r12
10d4: e9 c1 fe ff ff jmpq f9a <sys_kexec_load+0x39a>
10d9: 48 c7 45 c8 00 00 00 movq $0x0,-0x38(%rbp)
10e0: 00
10e1: 48 8d 7d c8 lea -0x38(%rbp),%rdi
10e5: 4c 89 f9 mov %r15,%rcx
10e8: 48 89 da mov %rbx,%rdx
10eb: 4c 89 f6 mov %r14,%rsi
10ee: e8 0d f6 ff ff callq 700 <do_kimage_alloc>
10f3: 85 c0 test %eax,%eax
10f5: 75 51 jne 1148 <sys_kexec_load+0x548>
10f7: 4c 8b 65 c8 mov -0x38(%rbp),%r12
10fb: be 01 00 00 00 mov $0x1,%esi
1100: 4c 89 e7 mov %r12,%rdi
1103: e8 00 00 00 00 callq 1108 <sys_kexec_load+0x508>
1108: 49 89 44 24 28 mov %rax,0x28(%r12)
110d: 4c 8b 75 c8 mov -0x38(%rbp),%r14
1111: 49 83 7e 28 00 cmpq $0x0,0x28(%r14)
1116: 74 4a je 1162 <sys_kexec_load+0x562>
1118: 31 f6 xor %esi,%esi
111a: 4c 89 f7 mov %r14,%rdi
111d: e8 00 00 00 00 callq 1122 <sys_kexec_load+0x522>
1122: 49 89 46 30 mov %rax,0x30(%r14)
1126: 48 8b 45 c8 mov -0x38(%rbp),%rax
112a: 48 83 78 30 00 cmpq $0x0,0x30(%rax)
112f: 0f 85 b3 fb ff ff jne ce8 <sys_kexec_load+0xe8>
1135: 48 c7 c7 00 00 00 00 mov $0x0,%rdi
113c: 31 c0 xor %eax,%eax
113e: e8 00 00 00 00 callq 1143 <sys_kexec_load+0x543>
1143: b8 f4 ff ff ff mov $0xfffffff4,%eax
1148: 89 85 78 ff ff ff mov %eax,-0x88(%rbp)
114e: 48 8b 7d c8 mov -0x38(%rbp),%rdi
1152: e8 00 00 00 00 callq 1157 <sys_kexec_load+0x557>
1157: 8b 85 78 ff ff ff mov -0x88(%rbp),%eax
115d: e9 3d fd ff ff jmpq e9f <sys_kexec_load+0x29f>
1162: 48 c7 c7 00 00 00 00 mov $0x0,%rdi
1169: 31 c0 xor %eax,%eax
116b: e8 00 00 00 00 callq 1170 <sys_kexec_load+0x570>
1170: b8 f4 ff ff ff mov $0xfffffff4,%eax
1175: eb d1 jmp 1148 <sys_kexec_load+0x548>
1177: 0f 8d ea fb ff ff jge d67 <sys_kexec_load+0x167>
117d: 0f 1f 00 nopl (%rax)
1180: e9 0d fe ff ff jmpq f92 <sys_kexec_load+0x392>
1185: 66 66 2e 0f 1f 84 00 data32 nopw %cs:0x0(%rax,%rax,1)
118c: 00 00 00 00
0000000000000040 <machine_kexec_prepare>:
40: 55 push %rbp
41: 48 b9 00 00 00 00 00 movabs $0x160000000000,%rcx
48: 16 00 00
4b: 48 89 e5 mov %rsp,%rbp
4e: 48 89 c8 mov %rcx,%rax
51: 41 57 push %r15
53: 48 ba 00 00 00 00 00 movabs $0xffff880000000000,%rdx
5a: 88 ff ff
5d: 41 56 push %r14
5f: 41 55 push %r13
61: 41 54 push %r12
63: 53 push %rbx
64: 48 83 ec 58 sub $0x58,%rsp
68: 48 89 7d c0 mov %rdi,-0x40(%rbp)
6c: 48 03 47 28 add 0x28(%rdi),%rax
70: 48 c1 f8 06 sar $0x6,%rax
74: 48 c1 e0 0c shl $0xc,%rax
78: 48 01 d0 add %rdx,%rax
7b: 48 89 45 98 mov %rax,-0x68(%rbp)
7f: 48 8b 05 00 00 00 00 mov 0x0(%rip),%rax # 86 <machine_kexec_prepare+0x46>
86: 48 c1 e0 0c shl $0xc,%rax
8a: 48 89 45 b8 mov %rax,-0x48(%rbp)
8e: 48 85 c0 test %rax,%rax
91: 0f 84 b1 07 00 00 je 848 <machine_kexec_prepare+0x808>
97: 48 8b 7d 98 mov -0x68(%rbp),%rdi
9b: 48 c7 45 a8 00 00 00 movq $0x0,-0x58(%rbp)
a2: 00
a3: 48 89 7d a0 mov %rdi,-0x60(%rbp)
a7: 31 f6 xor %esi,%esi
a9: 48 8b 7d c0 mov -0x40(%rbp),%rdi
ad: e8 00 00 00 00 callq b2 <machine_kexec_prepare+0x72>
b2: 48 85 c0 test %rax,%rax
b5: 0f 84 c1 05 00 00 je 67c <machine_kexec_prepare+0x63c>
bb: 48 ba 00 00 00 00 00 movabs $0x160000000000,%rdx
c2: 16 00 00
c5: 48 bf 00 00 00 00 00 movabs $0xffff880000000000,%rdi
cc: 88 ff ff
cf: 48 01 d0 add %rdx,%rax
d2: 4c 8b 75 a8 mov -0x58(%rbp),%r14
d6: 48 c1 f8 06 sar $0x6,%rax
da: 49 81 e6 00 f0 ff ff and $0xfffffffffffff000,%r14
e1: 48 c1 e0 0c shl $0xc,%rax
e5: 48 01 c7 add %rax,%rdi
e8: 48 b8 00 00 00 00 80 movabs $0x8000000000,%rax
ef: 00 00 00
f2: 48 89 7d 90 mov %rdi,-0x70(%rbp)
f6: 4c 01 f0 add %r14,%rax
f9: 48 89 7d c8 mov %rdi,-0x38(%rbp)
fd: 48 89 45 b0 mov %rax,-0x50(%rbp)
101: 49 39 c6 cmp %rax,%r14
104: 0f 83 22 01 00 00 jae 22c <machine_kexec_prepare+0x1ec>
10a: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
110: 4c 39 75 b8 cmp %r14,-0x48(%rbp)
114: 0f 86 12 01 00 00 jbe 22c <machine_kexec_prepare+0x1ec>
11a: 31 f6 xor %esi,%esi
11c: 48 8b 7d c0 mov -0x40(%rbp),%rdi
120: e8 00 00 00 00 callq 125 <machine_kexec_prepare+0xe5>
125: 48 85 c0 test %rax,%rax
128: 0f 84 4e 05 00 00 je 67c <machine_kexec_prepare+0x63c>
12e: 49 bf 00 00 00 00 00 movabs $0x160000000000,%r15
135: 16 00 00
138: 48 ba 00 00 00 00 00 movabs $0xffff880000000000,%rdx
13f: 88 ff ff
142: 4e 8d 3c 38 lea (%rax,%r15,1),%r15
146: 4c 89 f3 mov %r14,%rbx
149: 49 c1 ff 06 sar $0x6,%r15
14d: 48 81 e3 00 f0 ff ff and $0xfffffffffffff000,%rbx
154: 49 c1 e7 0c shl $0xc,%r15
158: 4c 8d ab 00 00 00 40 lea 0x40000000(%rbx),%r13
15f: 49 01 d7 add %rdx,%r15
162: 4c 39 eb cmp %r13,%rbx
165: 73 6b jae 1d2 <machine_kexec_prepare+0x192>
167: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 16f <machine_kexec_prepare+0x12f>
16e: 00
16f: 0f 84 1b 05 00 00 je 690 <machine_kexec_prepare+0x650>
175: 48 89 df mov %rbx,%rdi
178: 4d 89 fc mov %r15,%r12
17b: 48 81 cf e3 01 00 00 or $0x1e3,%rdi
182: eb 20 jmp 1a4 <machine_kexec_prepare+0x164>
184: 0f 1f 40 00 nopl 0x0(%rax)
188: 49 83 c4 08 add $0x8,%r12
18c: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 194 <machine_kexec_prepare+0x154>
193: 00
194: 0f 84 f6 04 00 00 je 690 <machine_kexec_prepare+0x650>
19a: 48 89 df mov %rbx,%rdi
19d: 48 81 cf e3 01 00 00 or $0x1e3,%rdi
1a4: ff 14 25 00 00 00 00 callq *0x0
1ab: 48 89 c6 mov %rax,%rsi
1ae: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 1b6 <machine_kexec_prepare+0x176>
1b5: 00
1b6: 0f 84 d6 04 00 00 je 692 <machine_kexec_prepare+0x652>
1bc: 4c 89 e7 mov %r12,%rdi
1bf: ff 14 25 00 00 00 00 callq *0x0
1c6: 48 81 c3 00 00 20 00 add $0x200000,%rbx
1cd: 49 39 dd cmp %rbx,%r13
1d0: 77 b6 ja 188 <machine_kexec_prepare+0x148>
1d2: 4c 89 ff mov %r15,%rdi
1d5: e8 00 00 00 00 callq 1da <machine_kexec_prepare+0x19a>
1da: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 1e2 <machine_kexec_prepare+0x1a2>
1e1: 00
1e2: 0f 84 5e 06 00 00 je 846 <machine_kexec_prepare+0x806>
1e8: 48 89 c7 mov %rax,%rdi
1eb: 48 83 cf 63 or $0x63,%rdi
1ef: ff 14 25 00 00 00 00 callq *0x0
1f6: 48 89 c6 mov %rax,%rsi
1f9: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 201 <machine_kexec_prepare+0x1c1>
200: 00
201: 0f 84 28 06 00 00 je 82f <machine_kexec_prepare+0x7ef>
207: 48 83 45 c8 08 addq $0x8,-0x38(%rbp)
20c: 48 8b 7d c8 mov -0x38(%rbp),%rdi
210: 48 83 ef 08 sub $0x8,%rdi
214: ff 14 25 00 00 00 00 callq *0x0
21b: 49 81 c6 00 00 00 40 add $0x40000000,%r14
222: 4c 39 75 b0 cmp %r14,-0x50(%rbp)
226: 0f 87 e4 fe ff ff ja 110 <machine_kexec_prepare+0xd0>
22c: 4c 39 75 b0 cmp %r14,-0x50(%rbp)
230: 76 65 jbe 297 <machine_kexec_prepare+0x257>
232: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 23a <machine_kexec_prepare+0x1fa>
239: 00
23a: 0f 84 06 06 00 00 je 846 <machine_kexec_prepare+0x806>
240: 48 8b 5d c8 mov -0x38(%rbp),%rbx
244: 48 8b 55 c8 mov -0x38(%rbp),%rdx
248: 48 83 c3 08 add $0x8,%rbx
24c: 4c 8b 65 b0 mov -0x50(%rbp),%r12
250: eb 15 jmp 267 <machine_kexec_prepare+0x227>
252: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 25a <machine_kexec_prepare+0x21a>
259: 00
25a: 0f 84 e6 05 00 00 je 846 <machine_kexec_prepare+0x806>
260: 48 89 da mov %rbx,%rdx
263: 48 83 c3 08 add $0x8,%rbx
267: 31 ff xor %edi,%edi
269: ff 14 25 00 00 00 00 callq *0x0
270: 48 89 c6 mov %rax,%rsi
273: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 27b <machine_kexec_prepare+0x23b>
27a: 00
27b: 0f 84 ae 05 00 00 je 82f <machine_kexec_prepare+0x7ef>
281: 48 89 d7 mov %rdx,%rdi
284: ff 14 25 00 00 00 00 callq *0x0
28b: 49 81 c6 00 00 00 40 add $0x40000000,%r14
292: 4d 39 f4 cmp %r14,%r12
295: 77 bb ja 252 <machine_kexec_prepare+0x212>
297: 48 8b 7d 90 mov -0x70(%rbp),%rdi
29b: e8 00 00 00 00 callq 2a0 <machine_kexec_prepare+0x260>
2a0: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 2a8 <machine_kexec_prepare+0x268>
2a7: 00
2a8: 0f 84 96 05 00 00 je 844 <machine_kexec_prepare+0x804>
2ae: 48 89 c6 mov %rax,%rsi
2b1: 48 83 ce 63 or $0x63,%rsi
2b5: 48 89 f7 mov %rsi,%rdi
2b8: ff 14 25 00 00 00 00 callq *0x0
2bf: 48 89 c6 mov %rax,%rsi
2c2: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 2ca <machine_kexec_prepare+0x28a>
2c9: 00
2ca: 0f 84 8d 05 00 00 je 85d <machine_kexec_prepare+0x81d>
2d0: 48 83 45 a0 08 addq $0x8,-0x60(%rbp)
2d5: 48 8b 7d a0 mov -0x60(%rbp),%rdi
2d9: 48 83 ef 08 sub $0x8,%rdi
2dd: ff 14 25 00 00 00 00 callq *0x0
2e4: 48 b8 00 00 00 00 80 movabs $0x8000000000,%rax
2eb: 00 00 00
2ee: 48 ba ff ff ff ff ff movabs $0xffffffffffff,%rdx
2f5: ff 00 00
2f8: 48 01 45 a8 add %rax,-0x58(%rbp)
2fc: 48 39 55 a8 cmp %rdx,-0x58(%rbp)
300: 77 0e ja 310 <machine_kexec_prepare+0x2d0>
302: 48 8b 7d a8 mov -0x58(%rbp),%rdi
306: 48 39 7d b8 cmp %rdi,-0x48(%rbp)
30a: 0f 87 97 fd ff ff ja a7 <machine_kexec_prepare+0x67>
310: 48 8b 5d a0 mov -0x60(%rbp),%rbx
314: 49 bd ff ff ff ff ff movabs $0xffffffffffff,%r13
31b: ff 00 00
31e: 45 31 e4 xor %r12d,%r12d
321: 49 be 00 00 00 00 80 movabs $0x8000000000,%r14
328: 00 00 00
32b: 4c 8b 7d a8 mov -0x58(%rbp),%r15
32f: eb 3a jmp 36b <machine_kexec_prepare+0x32b>
331: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 339 <machine_kexec_prepare+0x2f9>
338: 00
339: 0f 84 05 05 00 00 je 844 <machine_kexec_prepare+0x804>
33f: 4c 89 e7 mov %r12,%rdi
342: ff 14 25 00 00 00 00 callq *0x0
349: 48 89 c6 mov %rax,%rsi
34c: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 354 <machine_kexec_prepare+0x314>
353: 00
354: 0f 84 03 05 00 00 je 85d <machine_kexec_prepare+0x81d>
35a: 48 89 df mov %rbx,%rdi
35d: ff 14 25 00 00 00 00 callq *0x0
364: 4d 01 f7 add %r14,%r15
367: 48 83 c3 08 add $0x8,%rbx
36b: 4d 39 ef cmp %r13,%r15
36e: 76 c1 jbe 331 <machine_kexec_prepare+0x2f1>
370: 48 8b 45 c0 mov -0x40(%rbp),%rax
374: 48 8b 58 20 mov 0x20(%rax),%rbx
378: 48 81 e3 00 00 e0 ff and $0xffffffffffe00000,%rbx
37f: 49 89 dc mov %rbx,%r12
382: 49 c1 ec 24 shr $0x24,%r12
386: 41 81 e4 f8 0f 00 00 and $0xff8,%r12d
38d: 4c 03 65 98 add -0x68(%rbp),%r12
391: 41 f6 04 24 01 testb $0x1,(%r12)
396: 0f 84 16 04 00 00 je 7b2 <machine_kexec_prepare+0x772>
39c: 49 8b 04 24 mov (%r12),%rax
3a0: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 3a8 <machine_kexec_prepare+0x368>
3a7: 00
3a8: 0f 84 02 04 00 00 je 7b0 <machine_kexec_prepare+0x770>
3ae: 48 89 c7 mov %rax,%rdi
3b1: ff 14 25 00 00 00 00 callq *0x0
3b8: 49 bd 00 00 00 00 00 movabs $0xffff880000000000,%r13
3bf: 88 ff ff
3c2: 48 89 da mov %rbx,%rdx
3c5: 48 b9 00 f0 ff ff ff movabs $0x3ffffffff000,%rcx
3cc: 3f 00 00
3cf: 48 c1 ea 1b shr $0x1b,%rdx
3d3: 48 21 c8 and %rcx,%rax
3d6: 81 e2 f8 0f 00 00 and $0xff8,%edx
3dc: 4c 01 ea add %r13,%rdx
3df: 4c 8d 24 02 lea (%rdx,%rax,1),%r12
3e3: 41 f6 04 24 01 testb $0x1,(%r12)
3e8: 0f 84 46 03 00 00 je 734 <machine_kexec_prepare+0x6f4>
3ee: 49 8b 04 24 mov (%r12),%rax
3f2: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 3fa <machine_kexec_prepare+0x3ba>
3f9: 00
3fa: 0f 84 32 03 00 00 je 732 <machine_kexec_prepare+0x6f2>
400: 48 89 c7 mov %rax,%rdi
403: ff 14 25 00 00 00 00 callq *0x0
40a: 48 b9 00 00 00 00 00 movabs $0xffff880000000000,%rcx
411: 88 ff ff
414: 48 89 da mov %rbx,%rdx
417: 48 c1 ea 12 shr $0x12,%rdx
41b: 81 e2 f8 0f 00 00 and $0xff8,%edx
421: 48 01 ca add %rcx,%rdx
424: 48 b9 00 f0 ff ff ff movabs $0x3ffffffff000,%rcx
42b: 3f 00 00
42e: 48 21 c8 and %rcx,%rax
431: 48 01 c2 add %rax,%rdx
434: f6 02 01 testb $0x1,(%rdx)
437: 0f 84 57 02 00 00 je 694 <machine_kexec_prepare+0x654>
43d: 48 8b 55 c0 mov -0x40(%rbp),%rdx
441: 49 c7 c4 00 00 00 00 mov $0x0,%r12
448: 48 b8 00 00 00 00 00 movabs $0x160000000000,%rax
44f: 16 00 00
452: 4c 89 e3 mov %r12,%rbx
455: 48 03 42 28 add 0x28(%rdx),%rax
459: 48 c1 eb 24 shr $0x24,%rbx
45d: 48 c1 f8 06 sar $0x6,%rax
461: 48 ba 00 00 00 00 00 movabs $0xffff880000000000,%rdx
468: 88 ff ff
46b: 48 c1 e0 0c shl $0xc,%rax
46f: 81 e3 f8 0f 00 00 and $0xff8,%ebx
475: 48 8d bc 10 00 10 00 lea 0x1000(%rax,%rdx,1),%rdi
47c: 00
47d: e8 00 00 00 00 callq 482 <machine_kexec_prepare+0x442>
482: 48 03 5d 98 add -0x68(%rbp),%rbx
486: 49 89 c5 mov %rax,%r13
489: f6 03 01 testb $0x1,(%rbx)
48c: 75 60 jne 4ee <machine_kexec_prepare+0x4ae>
48e: bf d0 00 00 00 mov $0xd0,%edi
493: e8 00 00 00 00 callq 498 <machine_kexec_prepare+0x458>
498: 48 85 c0 test %rax,%rax
49b: 0f 84 90 03 00 00 je 831 <machine_kexec_prepare+0x7f1>
4a1: 48 8b 55 c0 mov -0x40(%rbp),%rdx
4a5: 48 89 c7 mov %rax,%rdi
4a8: 48 89 82 80 02 00 00 mov %rax,0x280(%rdx)
4af: e8 00 00 00 00 callq 4b4 <machine_kexec_prepare+0x474>
4b4: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 4bc <machine_kexec_prepare+0x47c>
4bb: 00
4bc: 0f 84 82 03 00 00 je 844 <machine_kexec_prepare+0x804>
4c2: 48 89 c6 mov %rax,%rsi
4c5: 48 83 ce 63 or $0x63,%rsi
4c9: 48 89 f7 mov %rsi,%rdi
4cc: ff 14 25 00 00 00 00 callq *0x0
4d3: 48 89 c6 mov %rax,%rsi
4d6: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 4de <machine_kexec_prepare+0x49e>
4dd: 00
4de: 0f 84 79 03 00 00 je 85d <machine_kexec_prepare+0x81d>
4e4: 48 89 df mov %rbx,%rdi
4e7: ff 14 25 00 00 00 00 callq *0x0
4ee: 48 8b 03 mov (%rbx),%rax
4f1: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 4f9 <machine_kexec_prepare+0x4b9>
4f8: 00
4f9: 0f 84 b1 02 00 00 je 7b0 <machine_kexec_prepare+0x770>
4ff: 48 89 c7 mov %rax,%rdi
502: ff 14 25 00 00 00 00 callq *0x0
509: 48 b9 00 00 00 00 00 movabs $0xffff880000000000,%rcx
510: 88 ff ff
513: 4c 89 e2 mov %r12,%rdx
516: 48 c1 ea 1b shr $0x1b,%rdx
51a: 81 e2 f8 0f 00 00 and $0xff8,%edx
520: 48 01 ca add %rcx,%rdx
523: 48 b9 00 f0 ff ff ff movabs $0x3ffffffff000,%rcx
52a: 3f 00 00
52d: 48 21 c8 and %rcx,%rax
530: 48 8d 1c 02 lea (%rdx,%rax,1),%rbx
534: f6 03 01 testb $0x1,(%rbx)
537: 75 60 jne 599 <machine_kexec_prepare+0x559>
539: bf d0 00 00 00 mov $0xd0,%edi
53e: e8 00 00 00 00 callq 543 <machine_kexec_prepare+0x503>
543: 48 85 c0 test %rax,%rax
546: 0f 84 e5 02 00 00 je 831 <machine_kexec_prepare+0x7f1>
54c: 48 8b 55 c0 mov -0x40(%rbp),%rdx
550: 48 89 c7 mov %rax,%rdi
553: 48 89 82 88 02 00 00 mov %rax,0x288(%rdx)
55a: e8 00 00 00 00 callq 55f <machine_kexec_prepare+0x51f>
55f: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 567 <machine_kexec_prepare+0x527>
566: 00
567: 0f 84 d9 02 00 00 je 846 <machine_kexec_prepare+0x806>
56d: 48 89 c6 mov %rax,%rsi
570: 48 83 ce 63 or $0x63,%rsi
574: 48 89 f7 mov %rsi,%rdi
577: ff 14 25 00 00 00 00 callq *0x0
57e: 48 89 c6 mov %rax,%rsi
581: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 589 <machine_kexec_prepare+0x549>
588: 00
589: 0f 84 a0 02 00 00 je 82f <machine_kexec_prepare+0x7ef>
58f: 48 89 df mov %rbx,%rdi
592: ff 14 25 00 00 00 00 callq *0x0
599: 48 8b 03 mov (%rbx),%rax
59c: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 5a4 <machine_kexec_prepare+0x564>
5a3: 00
5a4: 0f 84 88 01 00 00 je 732 <machine_kexec_prepare+0x6f2>
5aa: 48 89 c7 mov %rax,%rdi
5ad: ff 14 25 00 00 00 00 callq *0x0
5b4: 48 b9 00 00 00 00 00 movabs $0xffff880000000000,%rcx
5bb: 88 ff ff
5be: 4c 89 e2 mov %r12,%rdx
5c1: 48 c1 ea 12 shr $0x12,%rdx
5c5: 81 e2 f8 0f 00 00 and $0xff8,%edx
5cb: 48 01 ca add %rcx,%rdx
5ce: 48 b9 00 f0 ff ff ff movabs $0x3ffffffff000,%rcx
5d5: 3f 00 00
5d8: 48 21 c8 and %rcx,%rax
5db: 48 8d 1c 02 lea (%rdx,%rax,1),%rbx
5df: f6 03 01 testb $0x1,(%rbx)
5e2: 0f 84 e9 00 00 00 je 6d1 <machine_kexec_prepare+0x691>
5e8: 48 8b 13 mov (%rbx),%rdx
5eb: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 5f3 <machine_kexec_prepare+0x5b3>
5f2: 00
5f3: 0f 84 d6 00 00 00 je 6cf <machine_kexec_prepare+0x68f>
5f9: 48 89 d7 mov %rdx,%rdi
5fc: ff 14 25 00 00 00 00 callq *0x0
603: 48 89 c2 mov %rax,%rdx
606: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 60e <machine_kexec_prepare+0x5ce>
60d: 00
60e: 48 8b 05 00 00 00 00 mov 0x0(%rip),%rax # 615 <machine_kexec_prepare+0x5d5>
615: 0f 84 b2 00 00 00 je 6cd <machine_kexec_prepare+0x68d>
61b: 4c 89 ee mov %r13,%rsi
61e: 25 63 01 00 00 and $0x163,%eax
623: 48 81 e6 00 f0 ff ff and $0xfffffffffffff000,%rsi
62a: 48 09 c6 or %rax,%rsi
62d: 48 89 f7 mov %rsi,%rdi
630: ff 14 25 00 00 00 00 callq *0x0
637: 48 89 c6 mov %rax,%rsi
63a: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 642 <machine_kexec_prepare+0x602>
641: 00
642: 0f 84 83 00 00 00 je 6cb <machine_kexec_prepare+0x68b>
648: 49 c1 ec 09 shr $0x9,%r12
64c: 48 b8 00 f0 ff ff ff movabs $0x3ffffffff000,%rax
653: 3f 00 00
656: 41 81 e4 f8 0f 00 00 and $0xff8,%r12d
65d: 48 21 c2 and %rax,%rdx
660: 48 bf 00 00 00 00 00 movabs $0xffff880000000000,%rdi
667: 88 ff ff
66a: 49 8d 3c 3c lea (%r12,%rdi,1),%rdi
66e: 48 01 d7 add %rdx,%rdi
671: ff 14 25 00 00 00 00 callq *0x0
678: 31 c0 xor %eax,%eax
67a: eb 05 jmp 681 <machine_kexec_prepare+0x641>
67c: b8 f4 ff ff ff mov $0xfffffff4,%eax
681: 48 83 c4 58 add $0x58,%rsp
685: 5b pop %rbx
686: 41 5c pop %r12
688: 41 5d pop %r13
68a: 41 5e pop %r14
68c: 41 5f pop %r15
68e: c9 leaveq
68f: c3 retq
690: 0f 0b ud2
692: 0f 0b ud2
694: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 69c <machine_kexec_prepare+0x65c>
69b: 00
69c: 74 f2 je 690 <machine_kexec_prepare+0x650>
69e: 48 81 cb e3 01 00 00 or $0x1e3,%rbx
6a5: 48 89 df mov %rbx,%rdi
6a8: ff 14 25 00 00 00 00 callq *0x0
6af: 48 89 c6 mov %rax,%rsi
6b2: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 6ba <machine_kexec_prepare+0x67a>
6b9: 00
6ba: 74 d6 je 692 <machine_kexec_prepare+0x652>
6bc: 48 89 d7 mov %rdx,%rdi
6bf: ff 14 25 00 00 00 00 callq *0x0
6c6: e9 72 fd ff ff jmpq 43d <machine_kexec_prepare+0x3fd>
6cb: 0f 0b ud2
6cd: 0f 0b ud2
6cf: 0f 0b ud2
6d1: bf d0 00 00 00 mov $0xd0,%edi
6d6: e8 00 00 00 00 callq 6db <machine_kexec_prepare+0x69b>
6db: 48 85 c0 test %rax,%rax
6de: 0f 84 4d 01 00 00 je 831 <machine_kexec_prepare+0x7f1>
6e4: 48 8b 55 c0 mov -0x40(%rbp),%rdx
6e8: 48 89 c7 mov %rax,%rdi
6eb: 48 89 82 90 02 00 00 mov %rax,0x290(%rdx)
6f2: e8 00 00 00 00 callq 6f7 <machine_kexec_prepare+0x6b7>
6f7: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 6ff <machine_kexec_prepare+0x6bf>
6fe: 00
6ff: 74 8f je 690 <machine_kexec_prepare+0x650>
701: 48 89 c6 mov %rax,%rsi
704: 48 83 ce 63 or $0x63,%rsi
708: 48 89 f7 mov %rsi,%rdi
70b: ff 14 25 00 00 00 00 callq *0x0
712: 48 89 c6 mov %rax,%rsi
715: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 71d <machine_kexec_prepare+0x6dd>
71c: 00
71d: 0f 84 6f ff ff ff je 692 <machine_kexec_prepare+0x652>
723: 48 89 df mov %rbx,%rdi
726: ff 14 25 00 00 00 00 callq *0x0
72d: e9 b6 fe ff ff jmpq 5e8 <machine_kexec_prepare+0x5a8>
732: 0f 0b ud2
734: 31 f6 xor %esi,%esi
736: 48 8b 7d c0 mov -0x40(%rbp),%rdi
73a: e8 00 00 00 00 callq 73f <machine_kexec_prepare+0x6ff>
73f: 48 85 c0 test %rax,%rax
742: 0f 84 34 ff ff ff je 67c <machine_kexec_prepare+0x63c>
748: 48 ba 00 00 00 00 00 movabs $0x160000000000,%rdx
74f: 16 00 00
752: 48 01 d0 add %rdx,%rax
755: 48 c1 f8 06 sar $0x6,%rax
759: 48 c1 e0 0c shl $0xc,%rax
75d: 4e 8d 2c 28 lea (%rax,%r13,1),%r13
761: 4c 89 ef mov %r13,%rdi
764: e8 00 00 00 00 callq 769 <machine_kexec_prepare+0x729>
769: 4c 89 ef mov %r13,%rdi
76c: e8 00 00 00 00 callq 771 <machine_kexec_prepare+0x731>
771: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 779 <machine_kexec_prepare+0x739>
778: 00
779: 0f 84 c7 00 00 00 je 846 <machine_kexec_prepare+0x806>
77f: 48 89 c6 mov %rax,%rsi
782: 48 83 ce 63 or $0x63,%rsi
786: 48 89 f7 mov %rsi,%rdi
789: ff 14 25 00 00 00 00 callq *0x0
790: 48 89 c6 mov %rax,%rsi
793: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 79b <machine_kexec_prepare+0x75b>
79a: 00
79b: 0f 84 8e 00 00 00 je 82f <machine_kexec_prepare+0x7ef>
7a1: 4c 89 e7 mov %r12,%rdi
7a4: ff 14 25 00 00 00 00 callq *0x0
7ab: e9 3e fc ff ff jmpq 3ee <machine_kexec_prepare+0x3ae>
7b0: 0f 0b ud2
7b2: 31 f6 xor %esi,%esi
7b4: 48 89 c7 mov %rax,%rdi
7b7: e8 00 00 00 00 callq 7bc <machine_kexec_prepare+0x77c>
7bc: 48 85 c0 test %rax,%rax
7bf: 0f 84 b7 fe ff ff je 67c <machine_kexec_prepare+0x63c>
7c5: 48 ba 00 00 00 00 00 movabs $0x160000000000,%rdx
7cc: 16 00 00
7cf: 49 bd 00 00 00 00 00 movabs $0xffff880000000000,%r13
7d6: 88 ff ff
7d9: 48 01 d0 add %rdx,%rax
7dc: 48 c1 f8 06 sar $0x6,%rax
7e0: 48 c1 e0 0c shl $0xc,%rax
7e4: 4e 8d 2c 28 lea (%rax,%r13,1),%r13
7e8: 4c 89 ef mov %r13,%rdi
7eb: e8 00 00 00 00 callq 7f0 <machine_kexec_prepare+0x7b0>
7f0: 4c 89 ef mov %r13,%rdi
7f3: e8 00 00 00 00 callq 7f8 <machine_kexec_prepare+0x7b8>
7f8: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 800 <machine_kexec_prepare+0x7c0>
7ff: 00
800: 74 42 je 844 <machine_kexec_prepare+0x804>
802: 48 89 c6 mov %rax,%rsi
805: 48 83 ce 63 or $0x63,%rsi
809: 48 89 f7 mov %rsi,%rdi
80c: ff 14 25 00 00 00 00 callq *0x0
813: 48 89 c6 mov %rax,%rsi
816: 48 83 3d 00 00 00 00 cmpq $0x0,0x0(%rip) # 81e <machine_kexec_prepare+0x7de>
81d: 00
81e: 74 3d je 85d <machine_kexec_prepare+0x81d>
820: 4c 89 e7 mov %r12,%rdi
823: ff 14 25 00 00 00 00 callq *0x0
82a: e9 6d fb ff ff jmpq 39c <machine_kexec_prepare+0x35c>
82f: 0f 0b ud2
831: 48 8b 7d c0 mov -0x40(%rbp),%rdi
835: e8 c6 f7 ff ff callq 0 <free_transition_pgtable>
83a: b8 f4 ff ff ff mov $0xfffffff4,%eax
83f: e9 3d fe ff ff jmpq 681 <machine_kexec_prepare+0x641>
844: 0f 0b ud2
846: 0f 0b ud2
848: 48 8b 45 98 mov -0x68(%rbp),%rax
84c: 48 c7 45 a8 00 00 00 movq $0x0,-0x58(%rbp)
853: 00
854: 48 89 45 a0 mov %rax,-0x60(%rbp)
858: e9 b3 fa ff ff jmpq 310 <machine_kexec_prepare+0x2d0>
85d: 0f 0b ud2
85f: 90 nop
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