Well, actually replying log for this crash and for
https://groups.google.com/forum/#!msg/syzkaller-bugs/zGz7AVtMBV0/X_-CPbjNAgAJ
with:
./syz-execprog -procs=10 -sandbox=namespace -repeat=0 raw.txt
(you can find exact instructions on how to do this here
https://github.com/google/syzkaller/blob/master/docs/executing_syzkaller_programs.md)
I've got:
[ 121.553588] binder: 3856:3857 ioctl 40046205 0 returned -22
[ 121.557656] binder: 3856:3857 ERROR: BC_REGISTER_LOOPER called
without request
[ 121.559744] binder: 3857 RLIMIT_NICE not set
[ 121.586339] binder: 3857 RLIMIT_NICE not set
[ 121.591764] binder: 3856:3857 unknown command 1400526783
[ 121.593226] binder: 3856:3857 ioctl c0306201 20002fd0 returned -22
[ 121.598292] binder: 3857 RLIMIT_NICE not set
[ 121.600827] binder: 3856:3857 ioctl c018620b 20000fe8 returned -14
[ 121.618284] binder: 3856:3857 BC_FREE_BUFFER uffffffffffffffff no match
[ 121.622181] binder: 3856:3857 got reply transaction with no transaction stack
[ 121.626345] binder: 3856:3857 transaction failed 29201/-71, size
72-56 line 2747
[ 121.628912] binder: 3856:3857 ioctl c0306201 20005fd0 returned -14
[ 121.635620] binder: unexpected work type, 4, not freed
[ 121.639753] binder: undelivered TRANSACTION_COMPLETE
[ 121.645213] binder: undelivered TRANSACTION_ERROR: 29201
[ 121.654860] binder: 3856:3857 BC_FREE_BUFFER u00000000ffffffff no match
[ 121.667216] *** Guest State ***
[ 121.667728] CR0: actual=0x0000000000000030,
shadow=0x0000000060000010, gh_mask=fffffffffffffff7
early console in extract_kernel
input_data: 0x0000000005f13276
input_len: 0x0000000001e7fa4c
output: 0x0000000001000000
output_len: 0x0000000005c85958
kernel_total_size: 0x0000000006db2000
Decompressing Linux... Parsing ELF... done.
Booting the kernel.
[ 0.000000] Linux version 4.15.0-rc1-next-20171129
(
dvy...@dvyukov-z840.muc.corp.google.com) (gcc version 7.1.1 20170620
(GCC)) #1 SMP Fri Dec 15 09:25:01 CET 2017
[ 0.000000] Command line: kvm-intel.nested=1
kvm-intel.unrestricted_guest=1 kvm-intel.ept=1
kvm-intel.flexpriority=1 kvm-intel.vpid=1
kvm-intel.emulate_invalid_guest_state=1 kvm-intel.eptad=1
kvm-intel.enable_shadow_vmcs=1 kvm-intel.pml=1
kvm-intel.enable_apicv=1 console=ttyS0 root=/dev/sda
earlyprintk=serial slub_debug=UZ vsyscall=native rodata=n oops=panic
panic_on_warn=1 panic=86400
[ 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:
...