Not allocated shadow for addr ffff880118ad0828 (page ffffea0006940e00)
Attempted to access 8 bytes
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan.c:1091!
invalid opcode: 0000 [#1] SMP
CPU: 1 PID: 1244 Comm: kworker/1:2 Not tainted 4.19.0-rc4+ #65
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events __blk_release_queue
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:ffff88012a9df700 EFLAGS: 00010046
RAX: 000000000000001b RBX: 0000000000000000 RCX: 9e651028c4cff500
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff88012a9df730 R08: 0000000000000000 R09: ffff88021fd38f50
R10: 0000000000000000 R11: ffffffff862594e0 R12: 0000000000000001
R13: ffff880118ad0828 R14: 0000000000000001 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff2143ebec CR3: 0000000117229000 CR4: 00000000001406e0
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
 relay_destroy_buf+0xac/0x430 kernel/relay.c:213
 relay_remove_buf kernel/relay.c:235 [inline]
 kref_put include/linux/kref.h:70 [inline]
 relay_close_buf kernel/relay.c:496 [inline]
 relay_close+0x470/0xa20 kernel/relay.c:846
 blk_trace_free kernel/trace/blktrace.c:314 [inline]
 blk_trace_cleanup kernel/trace/blktrace.c:339 [inline]
 __blk_trace_remove+0x256/0x320 kernel/trace/blktrace.c:352
 blk_trace_shutdown+0x2d6/0x420 kernel/trace/blktrace.c:752
 __blk_release_queue+0x550/0x700 block/blk-sysfs.c:852
 process_one_work+0x19c4/0x24f0 kernel/workqueue.c:2153
 worker_thread+0x206d/0x2b30 kernel/workqueue.c:2296
 kthread+0x59c/0x5d0 kernel/kthread.c:247
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:416
Modules linked in:
---[ end trace 75a1c3525f422a1a ]---
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:ffff88012a9df700 EFLAGS: 00010046
RAX: 000000000000001b RBX: 0000000000000000 RCX: 9e651028c4cff500
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff88012a9df730 R08: 0000000000000000 R09: ffff88021fd38f50
R10: 0000000000000000 R11: ffffffff862594e0 R12: 0000000000000001
R13: ffff880118ad0828 R14: 0000000000000001 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff2143ebec CR3: 0000000117229000 CR4: 00000000001406e0