vhci_hcd: default hub control req: 0000 v0000 i0000 l0
Not allocated shadow for addr ffff88010ed28418 (page ffffea000658ef00)
Attempted to access 8 bytes
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan.c:1091!
invalid opcode: 0000 [#1] SMP
CPU: 0 PID: 2878 Comm: ion_system_heap Not tainted 4.19.0-rc4+ #65
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_get_shadow_address+0x2d6/0x3d0 mm/kmsan/kmsan.c:1089
Code: e9 89 00 00 00 c7 04 25 20 73 28 8c 01 00 00 00 65 48 8b 04 25 00 fd 02 00 c6 80 7b 09 00 00 01 80 3c 25 38 73 28 8c 00 74 0c <0f> 0b 0f 1f 84 00 00 00 00 00 eb fe 48 c7 c7 1c bc 57 8b 31 c0 4c
RSP: 0018:ffff8801c30bfa48 EFLAGS: 00010046
RAX: 000000000000001b RBX: 0000000000000000 RCX: 0697e0489cdeb900
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff8801c30bfa78 R08: 0000000000000000 R09: ffff88021fc38f50
R10: 0000000000000000 R11: ffffffff862594e0 R12: 0000000000000001
R13: ffff88010ed28418 R14: 0000000000000001 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000007096b4 CR3: 0000000095dd2000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kmsan_internal_memset_shadow mm/kmsan/kmsan.c:163 [inline]
 kmsan_internal_unpoison_shadow+0x5c/0xe0 mm/kmsan/kmsan.c:200
 kmsan_unpoison_shadow+0x72/0xd0 mm/kmsan/kmsan.c:214
 native_ptep_get_and_clear arch/x86/include/asm/pgtable_64.h:87 [inline]
 ptep_get_and_clear arch/x86/include/asm/pgtable.h:1104 [inline]
 vunmap_pte_range mm/vmalloc.c:67 [inline]
 vunmap_pmd_range mm/vmalloc.c:84 [inline]
 vunmap_pud_range mm/vmalloc.c:100 [inline]
 vunmap_p4d_range mm/vmalloc.c:116 [inline]
 vunmap_page_range+0x828/0xc20 mm/vmalloc.c:131
 unmap_vmap_area mm/vmalloc.c:604 [inline]
 free_unmap_vmap_area mm/vmalloc.c:739 [inline]
 remove_vm_area+0x39b/0x450 mm/vmalloc.c:1491
 __vunmap+0x34c/0x5d0 mm/vmalloc.c:1519
 vunmap+0x69/0xb0 mm/vmalloc.c:1612
 ion_heap_unmap_kernel+0x51/0x70 drivers/staging/android/ion/ion_heap.c:60
 ion_buffer_destroy+0x116/0x2a0 drivers/staging/android/ion/ion.c:117
 ion_heap_deferred_free+0xc8/0x8b0 drivers/staging/android/ion/ion_heap.c:237
 kthread+0x59c/0x5d0 kernel/kthread.c:247
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:416
Modules linked in:
---[ end trace 6517b5e5c169dd85 ]---
RIP: 0010:kmsan_get_shadow_address+0x2d6/0x3d0 mm/kmsan/kmsan.c:1089
Code: e9 89 00 00 00 c7 04 25 20 73 28 8c 01 00 00 00 65 48 8b 04 25 00 fd 02 00 c6 80 7b 09 00 00 01 80 3c 25 38 73 28 8c 00 74 0c <0f> 0b 0f 1f 84 00 00 00 00 00 eb fe 48 c7 c7 1c bc 57 8b 31 c0 4c
RSP: 0018:ffff8801c30bfa48 EFLAGS: 00010046
RAX: 000000000000001b RBX: 0000000000000000 RCX: 0697e0489cdeb900
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff8801c30bfa78 R08: 0000000000000000 R09: ffff88021fc38f50
R10: 0000000000000000 R11: ffffffff862594e0 R12: 0000000000000001
R13: ffff88010ed28418 R14: 0000000000000001 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000007096b4 CR3: 0000000095dd2000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400