KASAN: use-after-free Read in do_blk_trace_setup
14 views
Skip to first unread message
syzbot
Nov 20, 2017, 1:20:02 PM11/20/17
to syzkaller-upst...@googlegroups.com
Hello,
syzkaller hit the following crash on
5a3517e009e979f21977d362212b7729c5165d92
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
compiler: gcc (GCC) 7.1.1 20170620
.config is attached
Raw console output is attached.
C reproducer is attached
syzkaller reproducer is attached. See https://goo.gl/kgGztJ
for information about syzkaller reproducers
CC: [ax...@kernel.dk linux...@vger.kernel.org
linux-...@vger.kernel.org mi...@redhat.com ros...@goodmis.org]
BUG: KASAN: use-after-free in do_blk_trace_setup+0xab4/0xcf0
kernel/trace/blktrace.c:546
Read of size 8 at addr ffff88006ab62d00 by task syzkaller556741/3013
CPU: 3 PID: 3013 Comm: syzkaller556741 Not tainted
4.14.0-rc7-next-20171103+ #10
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
print_address_description+0x73/0x250 mm/kasan/report.c:252
kasan_report_error mm/kasan/report.c:351 [inline]
kasan_report+0x25b/0x340 mm/kasan/report.c:409
__asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:430
do_blk_trace_setup+0xab4/0xcf0 kernel/trace/blktrace.c:546
blk_trace_setup+0xbd/0x180 kernel/trace/blktrace.c:564
sg_ioctl+0xc77/0x2da0 drivers/scsi/sg.c:1089
vfs_ioctl fs/ioctl.c:46 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4396a9
RSP: 002b:00007ffccd250068 EFLAGS: 00000206 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000006ccac0 RCX: 00000000004396a9
RDX: 000000002084cf90 RSI: 00000000c0481273 RDI: 0000000000000004
RBP: 0000000000000086 R08: 00000000000000fe R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000038
R13: ffffffffffffffff R14: 0000000000401eb0 R15: 0000000000000000
Allocated by task 3013:
save_stack+0x43/0xd0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:551
kmem_cache_alloc_trace+0x136/0x750 mm/slab.c:3615
kmalloc include/linux/slab.h:500 [inline]
kzalloc include/linux/slab.h:689 [inline]
do_blk_trace_setup+0x182/0xcf0 kernel/trace/blktrace.c:479
blk_trace_setup+0xbd/0x180 kernel/trace/blktrace.c:564
sg_ioctl+0xc77/0x2da0 drivers/scsi/sg.c:1089
vfs_ioctl fs/ioctl.c:46 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
entry_SYSCALL_64_fastpath+0x1f/0xbe
Freed by task 3020:
save_stack+0x43/0xd0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_slab_free+0x71/0xc0 mm/kasan/kasan.c:524
__cache_free mm/slab.c:3493 [inline]
kfree+0xca/0x250 mm/slab.c:3808
blk_trace_free+0xf9/0x130 kernel/trace/blktrace.c:329
blk_trace_cleanup+0x15/0x30 kernel/trace/blktrace.c:334
blk_trace_remove+0x55/0x80 kernel/trace/blktrace.c:348
sg_ioctl+0x5f1/0x2da0 drivers/scsi/sg.c:1098
vfs_ioctl fs/ioctl.c:46 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
entry_SYSCALL_64_fastpath+0x1f/0xbe
The buggy address belongs to the object at ffff88006ab62cc0
which belongs to the cache kmalloc-128 of size 128
The buggy address is located 64 bytes inside of
128-byte region [ffff88006ab62cc0, ffff88006ab62d40)
The buggy address belongs to the page:
page:ffffea0001aad880 count:1 mapcount:0 mapping:ffff88006ab62000
index:0xffff88006ab62000
flags: 0x500000000000100(slab)
raw: 0500000000000100 ffff88006ab62000 ffff88006ab62000 0000000100000014
raw: ffffea0001ad3260 ffffea0001acbaa0 ffff88003e800640 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88006ab62c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88006ab62c80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
> ffff88006ab62d00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
^
ffff88006ab62d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88006ab62e00: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
==================================================================
---
This bug is generated by a dumb bot. It may contain errors.
See https://goo.gl/tpsmEJ for details.
Direct all questions to syzk...@googlegroups.com.
Please credit me with: Reported-by: syzbot <syzk...@googlegroups.com>
syzbot will keep track of this bug report.
Once a fix for this bug is committed, please reply to this email with:
#syz fix: exact-commit-title
If you want to test a patch for this bug, please reply with:
#syz test: git://repo/address.git branch
and provide the patch inline or as an attachment.
To mark this as a duplicate of another syzbot report, please reply with:
#syz dup: exact-subject-of-another-report
If it's a one-off invalid bug report, please reply with:
#syz invalid
Note: if the crash happens again, it will cause creation of a new bug
report.
Note: all commands must start from beginning of the line in the email body.
To upstream this report, please reply with:
#syz upstream
syzkaller hit the following crash on
5a3517e009e979f21977d362212b7729c5165d92
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
compiler: gcc (GCC) 7.1.1 20170620
.config is attached
Raw console output is attached.
C reproducer is attached
syzkaller reproducer is attached. See https://goo.gl/kgGztJ
for information about syzkaller reproducers
CC: [ax...@kernel.dk linux...@vger.kernel.org
linux-...@vger.kernel.org mi...@redhat.com ros...@goodmis.org]
BUG: KASAN: use-after-free in do_blk_trace_setup+0xab4/0xcf0
kernel/trace/blktrace.c:546
Read of size 8 at addr ffff88006ab62d00 by task syzkaller556741/3013
CPU: 3 PID: 3013 Comm: syzkaller556741 Not tainted
4.14.0-rc7-next-20171103+ #10
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
print_address_description+0x73/0x250 mm/kasan/report.c:252
kasan_report_error mm/kasan/report.c:351 [inline]
kasan_report+0x25b/0x340 mm/kasan/report.c:409
__asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:430
do_blk_trace_setup+0xab4/0xcf0 kernel/trace/blktrace.c:546
blk_trace_setup+0xbd/0x180 kernel/trace/blktrace.c:564
sg_ioctl+0xc77/0x2da0 drivers/scsi/sg.c:1089
vfs_ioctl fs/ioctl.c:46 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4396a9
RSP: 002b:00007ffccd250068 EFLAGS: 00000206 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000006ccac0 RCX: 00000000004396a9
RDX: 000000002084cf90 RSI: 00000000c0481273 RDI: 0000000000000004
RBP: 0000000000000086 R08: 00000000000000fe R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000038
R13: ffffffffffffffff R14: 0000000000401eb0 R15: 0000000000000000
Allocated by task 3013:
save_stack+0x43/0xd0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:551
kmem_cache_alloc_trace+0x136/0x750 mm/slab.c:3615
kmalloc include/linux/slab.h:500 [inline]
kzalloc include/linux/slab.h:689 [inline]
do_blk_trace_setup+0x182/0xcf0 kernel/trace/blktrace.c:479
blk_trace_setup+0xbd/0x180 kernel/trace/blktrace.c:564
sg_ioctl+0xc77/0x2da0 drivers/scsi/sg.c:1089
vfs_ioctl fs/ioctl.c:46 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
entry_SYSCALL_64_fastpath+0x1f/0xbe
Freed by task 3020:
save_stack+0x43/0xd0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_slab_free+0x71/0xc0 mm/kasan/kasan.c:524
__cache_free mm/slab.c:3493 [inline]
kfree+0xca/0x250 mm/slab.c:3808
blk_trace_free+0xf9/0x130 kernel/trace/blktrace.c:329
blk_trace_cleanup+0x15/0x30 kernel/trace/blktrace.c:334
blk_trace_remove+0x55/0x80 kernel/trace/blktrace.c:348
sg_ioctl+0x5f1/0x2da0 drivers/scsi/sg.c:1098
vfs_ioctl fs/ioctl.c:46 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
entry_SYSCALL_64_fastpath+0x1f/0xbe
The buggy address belongs to the object at ffff88006ab62cc0
which belongs to the cache kmalloc-128 of size 128
The buggy address is located 64 bytes inside of
128-byte region [ffff88006ab62cc0, ffff88006ab62d40)
The buggy address belongs to the page:
page:ffffea0001aad880 count:1 mapcount:0 mapping:ffff88006ab62000
index:0xffff88006ab62000
flags: 0x500000000000100(slab)
raw: 0500000000000100 ffff88006ab62000 ffff88006ab62000 0000000100000014
raw: ffffea0001ad3260 ffffea0001acbaa0 ffff88003e800640 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88006ab62c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88006ab62c80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
> ffff88006ab62d00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
^
ffff88006ab62d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88006ab62e00: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
==================================================================
---
This bug is generated by a dumb bot. It may contain errors.
See https://goo.gl/tpsmEJ for details.
Direct all questions to syzk...@googlegroups.com.
Please credit me with: Reported-by: syzbot <syzk...@googlegroups.com>
syzbot will keep track of this bug report.
Once a fix for this bug is committed, please reply to this email with:
#syz fix: exact-commit-title
If you want to test a patch for this bug, please reply with:
#syz test: git://repo/address.git branch
and provide the patch inline or as an attachment.
To mark this as a duplicate of another syzbot report, please reply with:
#syz dup: exact-subject-of-another-report
If it's a one-off invalid bug report, please reply with:
#syz invalid
Note: if the crash happens again, it will cause creation of a new bug
report.
Note: all commands must start from beginning of the line in the email body.
To upstream this report, please reply with:
#syz upstream
Dmitry Vyukov
Nov 21, 2017, 4:58:27 AM11/21/17
to syzbot, 'Dmitry Vyukov' via syzkaller-upstream-moderation
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
On Mon, Nov 20, 2017 at 7:20 PM, syzbot
<bot+6b16d04d6bfec0ca40...@syzkaller.appspotmail.com>
wrote:
> --
> You received this message because you are subscribed to the Google Groups
> "syzkaller-upstream-moderation" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to syzkaller-upstream-m...@googlegroups.com.
> To post to this group, send email to
> syzkaller-upst...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/syzkaller-upstream-moderation/089e0826f8bc76cff5055e6e228a%40google.com.
> For more options, visit https://groups.google.com/d/optout.
master
On Mon, Nov 20, 2017 at 7:20 PM, syzbot
<bot+6b16d04d6bfec0ca40...@syzkaller.appspotmail.com>
wrote:
> You received this message because you are subscribed to the Google Groups
> "syzkaller-upstream-moderation" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to syzkaller-upstream-m...@googlegroups.com.
> To post to this group, send email to
> syzkaller-upst...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/syzkaller-upstream-moderation/089e0826f8bc76cff5055e6e228a%40google.com.
> For more options, visit https://groups.google.com/d/optout.
syzbot
Nov 21, 2017, 5:16:02 AM11/21/17
to dvy...@google.com, syzkaller-upst...@googlegroups.com
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger
crash:
Tested-by: syzbot <syzk...@googlegroups.com>
Once the fix is committed, please reply to this email with:
#syz fix: exact-commit-title
Tested on commit aa1fbe633d3034f9f838ff13387af04771e68e31
Kernel config is attached.
---
There is no WARRANTY for the result, to the extent permitted by applicable
law.
Except when otherwise stated in writing syzbot provides the result "AS IS"
without warranty of any kind, either expressed or implied, but not limited
to,
the implied warranties of merchantability and fittness for a particular
purpose.
The entire risk as to the quality of the result is with you. Should the
result
prove defective, you assume the cost of all necessary servicing, repair or
correction.
syzbot has tested the proposed patch and the reproducer did not trigger
crash:
Tested-by: syzbot <syzk...@googlegroups.com>
Once the fix is committed, please reply to this email with:
#syz fix: exact-commit-title
Tested on commit aa1fbe633d3034f9f838ff13387af04771e68e31
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
compiler: gcc (GCC) 7.1.1 20170620
Patch is attached.
compiler: gcc (GCC) 7.1.1 20170620
Kernel config is attached.
---
There is no WARRANTY for the result, to the extent permitted by applicable
law.
Except when otherwise stated in writing syzbot provides the result "AS IS"
without warranty of any kind, either expressed or implied, but not limited
to,
the implied warranties of merchantability and fittness for a particular
purpose.
The entire risk as to the quality of the result is with you. Should the
result
prove defective, you assume the cost of all necessary servicing, repair or
correction.
Dmitry Vyukov
Nov 21, 2017, 5:18:02 AM11/21/17
to syzbot, 'Dmitry Vyukov' via syzkaller-upstream-moderation
On Tue, Nov 21, 2017 at 11:16 AM, syzbot
<bot+6b16d04d6bfec0ca40...@syzkaller.appspotmail.com>
wrote:
#syz invalid
<bot+6b16d04d6bfec0ca40...@syzkaller.appspotmail.com>
wrote:
> Hello,
>
> syzbot has tested the proposed patch and the reproducer did not trigger
> crash:
okay
>
> syzbot has tested the proposed patch and the reproducer did not trigger
> crash:
#syz invalid
Dmitry Vyukov
Nov 22, 2017, 12:11:09 PM11/22/17
to syzbot, 'Dmitry Vyukov' via syzkaller-upstream-moderation
syzbot
Nov 22, 2017, 12:11:10 PM11/22/17
to Dmitry Vyukov, dvy...@google.com, syzkaller-upst...@googlegroups.com
> #syz test:
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
This bug is already upstreamed. Please test upstream.
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
This bug is already upstreamed. Please test upstream.
Dmitry Vyukov
Nov 22, 2017, 12:13:40 PM11/22/17
to syzbot, 'Dmitry Vyukov' via syzkaller-upstream-moderation
On Wed, Nov 22, 2017 at 6:11 PM, syzbot
<bot+6b16d04d6bfec0ca40...@syzkaller.appspotmail.com>
wrote:
<bot+6b16d04d6bfec0ca40...@syzkaller.appspotmail.com>
wrote:
syzbot
Nov 22, 2017, 12:29:02 PM11/22/17
to dvy...@google.com, syzkaller-upst...@googlegroups.com
Hello,
syzbot tried to test the proposed patch but build failed:
failed to create VM: can't ssh into the instance
Pseudo-terminal will not be allocated because stdin is not a terminal.
Warning: Permanently
added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to
the list of known hosts.
serialport: Connected to
syzkaller.us-central1-c.ci-upstream-next-kasan-gce-job-0 port 1 (session
ID: 8d2605f9e70847528bf9424e70c90a422ce57c0a5bbb0b7cc03b210830e27cfb,
active connections: 1).
SeaBIOS (version 1.8.2-20171012_061934-google)
Total RAM Size = 0x00000001e0000000 = 7680 MiB
Failed to get pci whitelist data
CPUs found: 2 Max CPUs supported: 2
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0
removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f3030: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Booting from Hard Disk 0...
early console in extract_kernel
input_data: 0x0000000005f46276
input_len: 0x0000000001e0998d
output: 0x0000000001000000
output_len: 0x0000000005c46958
kernel_total_size: 0x0000000006d6f000
Decompressing Linux... Parsing ELF... done.
Booting the kernel.
[ 0.000000] Linux version 4.14.0-next-20171122+ (syzkaller@ci) (gcc
version 7.1.1 20170620 (GCC)) #18 SMP Wed Nov 22 17:18:20 UTC 2017
[ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1
console=ttyS0 earlyprintk=serial vsyscall=native rodata=n
ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic
panic=86400 kvm-intel.nested=1
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point
registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832
bytes, using 'standard' format.
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable
[ 0.000000] bootconsole [earlyser0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] random: fast init done
[ 0.000000] SMBIOS 2.4 present.
[ 0.000000] DMI: Google Google Compute Engine/Google Compute Engine,
BIOS Google 01/01/2011
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000
[ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.000000] e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.000000] found SMP MP-table at [mem 0x000f32a0-0x000f32af] mapped at
[ffffffffff2002a0]
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] Using GB pages for direct mapping
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000F3070 000014 (v00 Google)
[ 0.000000] ACPI: RSDT 0x00000000BFFFDC70 000034 (v01 Google GOOGRSDT
00000001 GOOG 00000001)
[ 0.000000] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP
00000001 GOOG 00000001)
[ 0.000000] ACPI: DSDT 0x00000000BFFFDCB0 0017B2 (v01 Google GOOGDSDT
00000001 GOOG 00000001)
[ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040
[ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040
[ 0.000000] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT
00000001 GOOG 00000001)
[ 0.000000] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC
00000001 GOOG 00000001)
[ 0.000000] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET
00000001 GOOG 00000001)
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000021fffffff]
[ 0.000000] NODE_DATA(0) allocated [mem 0x21fffa000-0x21fffdfff]
[ 0.000000] kvm-clock: cpu 0, msr 2:1fff8001, primary cpu clock
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000000] kvm-clock: using sched offset of 2196521286 cycles
[ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles:
0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.000000] Normal [mem 0x0000000100000000-0x000000021fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.000000] node 0: [mem 0x0000000100000000-0x000000021fffffff]
[ 0.000000] Initmem setup node 0 [mem
0x0000000000001000-0x000000021fffffff]
[ 0.000000] Reserved but unavailable: 98 pages
[ 0.000000] kasan: KernelAddressSanitizer initialized
[ 0.000000] ACPI: PM-Timer IO Port: 0xb008
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI
0-23
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
[ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
[ 0.000000] e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on KVM
[ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 1910969940391419 ns
[ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2
nr_node_ids:1
[ 0.000000] percpu: Embedded 49 pages/cpu @ffff8801db400000 s159760
r8192 d32752 u1048576
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages:
1935238
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1
console=ttyS0 earlyprintk=serial vsyscall=native rodata=n
ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic
panic=86400 kvm-intel.nested=1
[ 0.000000] Memory: 6565408K/7863916K available (66217K kernel code,
7950K rwdata, 10424K rodata, 2316K init, 21516K bss, 1298508K reserved, 0K
cma-reserved)
[ 0.001000] Running RCU self tests
[ 0.001000] Hierarchical RCU implementation.
[ 0.001000] RCU lockdep checking is enabled.
[ 0.001000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.
[ 0.001000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 0.001000] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 0.001000] Console: colour VGA+ 80x25
[ 0.001000] console [ttyS0] enabled
[ 0.001000] console [ttyS0] enabled
[ 0.001000] bootconsole [earlyser0] disabled
[ 0.001000] bootconsole [earlyser0] disabled
[ 0.001000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc.,
Ingo Molnar
[ 0.001000] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 0.001000] ... MAX_LOCK_DEPTH: 48
[ 0.001000] ... MAX_LOCKDEP_KEYS: 8191
[ 0.001000] ... CLASSHASH_SIZE: 4096
[ 0.001000] ... MAX_LOCKDEP_ENTRIES: 32768
[ 0.001000] ... MAX_LOCKDEP_CHAINS: 65536
[ 0.001000] ... CHAINHASH_SIZE: 32768
[ 0.001000] memory used by lock dependency info: 7391 kB
[ 0.001000] per task-struct memory footprint: 2304 bytes
[ 0.001000] ACPI: Core revision 20170831
[ 0.001000] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 0.001000] APIC: Switch to symmetric I/O mode setup
[ 0.001194] x2apic enabled
[ 0.002010] Switched APIC routing to physical x2apic.
[ 0.006000] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 0.006000] tsc: Detected 2300.000 MHz processor
[ 0.006000] Calibrating delay loop (skipped) preset value.. 4600.00
BogoMIPS (lpj=2300000)
[ 0.006008] pid_max: default: 32768 minimum: 301
[ 0.008229] Security Framework initialized
[ 0.008904] SELinux: Initializing.
[ 0.017116] Dentry cache hash table entries: 1048576 (order: 11, 8388608
bytes)
[ 0.020229] Inode-cache hash table entries: 524288 (order: 10, 4194304
bytes)
[ 0.021230] Mount-cache hash table entries: 16384 (order: 5, 131072
bytes)
[ 0.022117] Mountpoint-cache hash table entries: 16384 (order: 5, 131072
bytes)
[ 0.025351] CPU: Physical Processor ID: 0
[ 0.025934] CPU: Processor Core ID: 0
[ 0.026059] mce: CPU supports 32 MCE banks
[ 0.027147] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
[ 0.028007] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
[ 0.029470] Freeing SMP alternatives memory: 40K
[ 0.031204] ------------[ cut here ]------------
[ 0.031840] kernel BUG at init/main.c:709!
[ 0.032009] invalid opcode: 0000 [#1] SMP KASAN
[ 0.032640] Dumping ftrace buffer:
[ 0.033000] (ftrace buffer empty)
[ 0.033000] Modules linked in:
[ 0.033000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
4.14.0-next-20171122+ #18
[ 0.033000] Hardware name: Google Google Compute Engine/Google Compute
Engine, BIOS Google 01/01/2011
[ 0.033000] task: ffffffff85e2ec40 task.stack: ffffffff85e00000
[ 0.033000] RIP: 0010:start_kernel+0x71d/0x71f
[ 0.033000] RSP: 0000:ffffffff85e07ea8 EFLAGS: 00010293
[ 0.033000] RAX: ffffffff85e2ec40 RBX: 1ffffffff0cb76aa RCX:
ffffffff86621ae9
[ 0.033000] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
1ffffffff0cb6b01
[ 0.033000] RBP: ffffffff85e07f20 R08: fffffbfff0a0ebcf R09:
0000000000000000
[ 0.033000] R10: 0000000000000000 R11: 0000000000000000 R12:
ffffffff86851340
[ 0.033000] R13: ffff88021fe20840 R14: 0000000000000000 R15:
0000000000000000
[ 0.033000] FS: 0000000000000000(0000) GS:ffff8801db400000(0000)
knlGS:0000000000000000
[ 0.033000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.033000] CR2: ffff88021ffff000 CR3: 0000000005e25000 CR4:
00000000001406f0
[ 0.033000] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 0.033000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 0.033000] Call Trace:
[ 0.033000] ? mem_encrypt_init+0xb/0xb
[ 0.033000] ? x86_family+0x32/0x40
[ 0.033000] ? load_ucode_bsp+0x1ea/0x1f6
[ 0.033000] x86_64_start_reservations+0x2a/0x2c
[ 0.033000] x86_64_start_kernel+0x77/0x7a
[ 0.033000] secondary_startup_64+0xa5/0xb0
[ 0.033000] Code: 3c 03 00 74 0c 48 c7 c7 50 b5 5b 86 e8 81 18 44 fb 48
8b 05 7a 9a f9 ff a8 08 74 0a e8 81 b7 0d fb e8 86 77 05 00 e8 77 b7 0d fb
<0f> 0b 55 48 89 e5 41 54 53 48 89 fb e8 66 b7 0d fb 48 89 da 48
[ 0.033000] RIP: start_kernel+0x71d/0x71f RSP: ffffffff85e07ea8
[ 0.033007] ---[ end trace d8d215579c2f0a00 ]---
[ 0.033660] Kernel panic - not syncing: Fatal exception
[ 0.034000] Dumping ftrace buffer:
[ 0.034000] (ftrace buffer empty)
[ 0.034000] Rebooting in 86400 seconds..
Tested on commit 1efc584c7106993783e846bbcd4c43a87e5be9fa
syzbot tried to test the proposed patch but build failed:
failed to create VM: can't ssh into the instance
Pseudo-terminal will not be allocated because stdin is not a terminal.
Warning: Permanently
added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to
the list of known hosts.
serialport: Connected to
syzkaller.us-central1-c.ci-upstream-next-kasan-gce-job-0 port 1 (session
ID: 8d2605f9e70847528bf9424e70c90a422ce57c0a5bbb0b7cc03b210830e27cfb,
active connections: 1).
SeaBIOS (version 1.8.2-20171012_061934-google)
Total RAM Size = 0x00000001e0000000 = 7680 MiB
Failed to get pci whitelist data
CPUs found: 2 Max CPUs supported: 2
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0
removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f3030: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Booting from Hard Disk 0...
early console in extract_kernel
input_data: 0x0000000005f46276
input_len: 0x0000000001e0998d
output: 0x0000000001000000
output_len: 0x0000000005c46958
kernel_total_size: 0x0000000006d6f000
Decompressing Linux... Parsing ELF... done.
Booting the kernel.
[ 0.000000] Linux version 4.14.0-next-20171122+ (syzkaller@ci) (gcc
version 7.1.1 20170620 (GCC)) #18 SMP Wed Nov 22 17:18:20 UTC 2017
[ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1
console=ttyS0 earlyprintk=serial vsyscall=native rodata=n
ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic
panic=86400 kvm-intel.nested=1
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point
registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832
bytes, using 'standard' format.
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable
[ 0.000000] bootconsole [earlyser0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] random: fast init done
[ 0.000000] SMBIOS 2.4 present.
[ 0.000000] DMI: Google Google Compute Engine/Google Compute Engine,
BIOS Google 01/01/2011
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000
[ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.000000] e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.000000] found SMP MP-table at [mem 0x000f32a0-0x000f32af] mapped at
[ffffffffff2002a0]
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] Using GB pages for direct mapping
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000F3070 000014 (v00 Google)
[ 0.000000] ACPI: RSDT 0x00000000BFFFDC70 000034 (v01 Google GOOGRSDT
00000001 GOOG 00000001)
[ 0.000000] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP
00000001 GOOG 00000001)
[ 0.000000] ACPI: DSDT 0x00000000BFFFDCB0 0017B2 (v01 Google GOOGDSDT
00000001 GOOG 00000001)
[ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040
[ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040
[ 0.000000] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT
00000001 GOOG 00000001)
[ 0.000000] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC
00000001 GOOG 00000001)
[ 0.000000] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET
00000001 GOOG 00000001)
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000021fffffff]
[ 0.000000] NODE_DATA(0) allocated [mem 0x21fffa000-0x21fffdfff]
[ 0.000000] kvm-clock: cpu 0, msr 2:1fff8001, primary cpu clock
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000000] kvm-clock: using sched offset of 2196521286 cycles
[ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles:
0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.000000] Normal [mem 0x0000000100000000-0x000000021fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.000000] node 0: [mem 0x0000000100000000-0x000000021fffffff]
[ 0.000000] Initmem setup node 0 [mem
0x0000000000001000-0x000000021fffffff]
[ 0.000000] Reserved but unavailable: 98 pages
[ 0.000000] kasan: KernelAddressSanitizer initialized
[ 0.000000] ACPI: PM-Timer IO Port: 0xb008
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI
0-23
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
[ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
[ 0.000000] e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on KVM
[ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 1910969940391419 ns
[ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2
nr_node_ids:1
[ 0.000000] percpu: Embedded 49 pages/cpu @ffff8801db400000 s159760
r8192 d32752 u1048576
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages:
1935238
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1
console=ttyS0 earlyprintk=serial vsyscall=native rodata=n
ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic
panic=86400 kvm-intel.nested=1
[ 0.000000] Memory: 6565408K/7863916K available (66217K kernel code,
7950K rwdata, 10424K rodata, 2316K init, 21516K bss, 1298508K reserved, 0K
cma-reserved)
[ 0.001000] Running RCU self tests
[ 0.001000] Hierarchical RCU implementation.
[ 0.001000] RCU lockdep checking is enabled.
[ 0.001000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.
[ 0.001000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 0.001000] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 0.001000] Console: colour VGA+ 80x25
[ 0.001000] console [ttyS0] enabled
[ 0.001000] console [ttyS0] enabled
[ 0.001000] bootconsole [earlyser0] disabled
[ 0.001000] bootconsole [earlyser0] disabled
[ 0.001000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc.,
Ingo Molnar
[ 0.001000] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 0.001000] ... MAX_LOCK_DEPTH: 48
[ 0.001000] ... MAX_LOCKDEP_KEYS: 8191
[ 0.001000] ... CLASSHASH_SIZE: 4096
[ 0.001000] ... MAX_LOCKDEP_ENTRIES: 32768
[ 0.001000] ... MAX_LOCKDEP_CHAINS: 65536
[ 0.001000] ... CHAINHASH_SIZE: 32768
[ 0.001000] memory used by lock dependency info: 7391 kB
[ 0.001000] per task-struct memory footprint: 2304 bytes
[ 0.001000] ACPI: Core revision 20170831
[ 0.001000] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 0.001000] APIC: Switch to symmetric I/O mode setup
[ 0.001194] x2apic enabled
[ 0.002010] Switched APIC routing to physical x2apic.
[ 0.006000] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 0.006000] tsc: Detected 2300.000 MHz processor
[ 0.006000] Calibrating delay loop (skipped) preset value.. 4600.00
BogoMIPS (lpj=2300000)
[ 0.006008] pid_max: default: 32768 minimum: 301
[ 0.008229] Security Framework initialized
[ 0.008904] SELinux: Initializing.
[ 0.017116] Dentry cache hash table entries: 1048576 (order: 11, 8388608
bytes)
[ 0.020229] Inode-cache hash table entries: 524288 (order: 10, 4194304
bytes)
[ 0.021230] Mount-cache hash table entries: 16384 (order: 5, 131072
bytes)
[ 0.022117] Mountpoint-cache hash table entries: 16384 (order: 5, 131072
bytes)
[ 0.025351] CPU: Physical Processor ID: 0
[ 0.025934] CPU: Processor Core ID: 0
[ 0.026059] mce: CPU supports 32 MCE banks
[ 0.027147] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
[ 0.028007] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
[ 0.029470] Freeing SMP alternatives memory: 40K
[ 0.031204] ------------[ cut here ]------------
[ 0.031840] kernel BUG at init/main.c:709!
[ 0.032009] invalid opcode: 0000 [#1] SMP KASAN
[ 0.032640] Dumping ftrace buffer:
[ 0.033000] (ftrace buffer empty)
[ 0.033000] Modules linked in:
[ 0.033000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
4.14.0-next-20171122+ #18
[ 0.033000] Hardware name: Google Google Compute Engine/Google Compute
Engine, BIOS Google 01/01/2011
[ 0.033000] task: ffffffff85e2ec40 task.stack: ffffffff85e00000
[ 0.033000] RIP: 0010:start_kernel+0x71d/0x71f
[ 0.033000] RSP: 0000:ffffffff85e07ea8 EFLAGS: 00010293
[ 0.033000] RAX: ffffffff85e2ec40 RBX: 1ffffffff0cb76aa RCX:
ffffffff86621ae9
[ 0.033000] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
1ffffffff0cb6b01
[ 0.033000] RBP: ffffffff85e07f20 R08: fffffbfff0a0ebcf R09:
0000000000000000
[ 0.033000] R10: 0000000000000000 R11: 0000000000000000 R12:
ffffffff86851340
[ 0.033000] R13: ffff88021fe20840 R14: 0000000000000000 R15:
0000000000000000
[ 0.033000] FS: 0000000000000000(0000) GS:ffff8801db400000(0000)
knlGS:0000000000000000
[ 0.033000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.033000] CR2: ffff88021ffff000 CR3: 0000000005e25000 CR4:
00000000001406f0
[ 0.033000] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 0.033000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 0.033000] Call Trace:
[ 0.033000] ? mem_encrypt_init+0xb/0xb
[ 0.033000] ? x86_family+0x32/0x40
[ 0.033000] ? load_ucode_bsp+0x1ea/0x1f6
[ 0.033000] x86_64_start_reservations+0x2a/0x2c
[ 0.033000] x86_64_start_kernel+0x77/0x7a
[ 0.033000] secondary_startup_64+0xa5/0xb0
[ 0.033000] Code: 3c 03 00 74 0c 48 c7 c7 50 b5 5b 86 e8 81 18 44 fb 48
8b 05 7a 9a f9 ff a8 08 74 0a e8 81 b7 0d fb e8 86 77 05 00 e8 77 b7 0d fb
<0f> 0b 55 48 89 e5 41 54 53 48 89 fb e8 66 b7 0d fb 48 89 da 48
[ 0.033000] RIP: start_kernel+0x71d/0x71f RSP: ffffffff85e07ea8
[ 0.033007] ---[ end trace d8d215579c2f0a00 ]---
[ 0.033660] Kernel panic - not syncing: Fatal exception
[ 0.034000] Dumping ftrace buffer:
[ 0.034000] (ftrace buffer empty)
[ 0.034000] Rebooting in 86400 seconds..
Tested on commit 1efc584c7106993783e846bbcd4c43a87e5be9fa
Reply all
Reply to author
Forward
0 new messages