audit: type=1400 audit(1515052736.088:51): avc:  denied  { fsetid } for  pid=7763 comm="syz-executor1" capability=4  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
WARNING: CPU: 0 PID: 7778 at mm/page_alloc.c:3926 __alloc_pages_slowpath+0x1ffc/0x2d00 mm/page_alloc.c:3936
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7778 Comm: syz-executor3 Not tainted 4.15.0-rc6+ #156
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079
RIP: 0010:__alloc_pages_slowpath+0x1ffc/0x2d00 mm/page_alloc.c:3936
RSP: 0018:ffff8801d45473e0 EFLAGS: 00010246
RAX: ffffed003a8a8e9d RBX: 1ffff1003a8a8e9d RCX: 0000000000000000
RDX: ffff8801d4547a38 RSI: 0000000000000034 RDI: 0000000000000000
RBP: ffff8801d45478d0 R08: 0000000000000000 R09: fffffffffff00f8a
R10: 0000000000000033 R11: 0000000000000034 R12: 0000000000000000
R13: ffff8801d4547a98 R14: 00000000014280c2 R15: ffff8801d4547a38
 __alloc_pages_nodemask+0x9fb/0xd80 mm/page_alloc.c:4252
 alloc_pages_current+0xb6/0x1e0 mm/mempolicy.c:2036
 alloc_pages include/linux/gfp.h:492 [inline]
 ion_system_contig_heap_allocate+0x40/0x2c0 drivers/staging/android/ion/ion_system_heap.c:374
 ion_buffer_create drivers/staging/android/ion/ion.c:93 [inline]
 ion_alloc+0x2c1/0x9e0 drivers/staging/android/ion/ion.c:420
 ion_ioctl+0x26d/0x380 drivers/staging/android/ion/ion-ioctl.c:84
 C_SYSC_ioctl fs/compat_ioctl.c:1473 [inline]
 compat_SyS_ioctl+0x151/0x2a30 fs/compat_ioctl.c:1419
 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
 do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
 entry_SYSENTER_compat+0x54/0x63 arch/x86/entry/entry_64_compat.S:129
RIP: 0023:0xf7f9cc79
RSP: 002b:00000000f779808c EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00000000c0184900
RDX: 0000000020002000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..