Access of size 8192 at ffff8882079b0000.
Addresses belonging to different ranges are: ffff8882079b0000 and ffff8882079b1000
page[0].shadow: ffff8881cd526000, page[1].shadow: ffff8881d03f4000
Origin: 0000000000000000
Origin not found, presumably a false report.
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan.c:106!
invalid opcode: 0000 [#1] SMP
CPU: 0 PID: 31070 Comm: syz-executor.0 Not tainted 5.3.0-rc7+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_internal_memset_shadow+0xc0/0xd0 mm/kmsan/kmsan.c:116
Code: 00 00 01 e8 d2 8f 73 ff 85 c0 75 14 48 c7 c7 bb 42 26 8f 48 89 de 4c 89 fa 31 c0 e8 77 be 73 ff 41 c6 86 9b 09 00 00 00 0f 0b <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57
RSP: 0018:ffff8881cdbee480 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8882079b0000 RCX: 712f02f623ea7400
RDX: 0000000000000000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8881cdbee4a8 R08: 0000000000000000 R09: ffff88812fc41410
R10: 0000000000000000 R11: ffffffff8667f050 R12: 0000000000000000
R13: 0000000000002000 R14: 0000000000000000 R15: ffff8882079b0000
FS:  00007ff193782700(0000) GS:ffff88812fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa0e31ff349 CR3: 00000001cd8af000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kmsan_internal_unpoison_shadow+0x1f/0x40 mm/kmsan/kmsan.c:140
 kmsan_unpoison_shadow+0x71/0xe0 mm/kmsan/kmsan_hooks.c:297
 virtqueue_add_split drivers/virtio/virtio_ring.c:517 [inline]
 virtqueue_add+0x4a0c/0x6be0 drivers/virtio/virtio_ring.c:1718
 virtqueue_add_sgs+0x319/0x330 drivers/virtio/virtio_ring.c:1752
 virtscsi_add_cmd drivers/scsi/virtio_scsi.c:421 [inline]
 virtscsi_kick_cmd+0x859/0xac0 drivers/scsi/virtio_scsi.c:433
 virtscsi_queuecommand+0xe3b/0x1010 drivers/scsi/virtio_scsi.c:528
 scsi_dispatch_cmd drivers/scsi/scsi_lib.c:1547 [inline]
 scsi_queue_rq+0x4000/0x4b40 drivers/scsi/scsi_lib.c:1681
 blk_mq_dispatch_rq_list+0xec5/0x2880 block/blk-mq.c:1257
 blk_mq_do_dispatch_sched block/blk-mq-sched.c:115 [inline]
 blk_mq_sched_dispatch_requests+0xc00/0x1850 block/blk-mq-sched.c:216
 __blk_mq_run_hw_queue+0x170/0x3a0 block/blk-mq.c:1387
 __blk_mq_delay_run_hw_queue+0x14c/0x6b0 block/blk-mq.c:1455
 blk_mq_run_hw_queue+0x4ac/0x690 block/blk-mq.c:1492
 blk_mq_sched_insert_requests+0x4a5/0x650 block/blk-mq-sched.c:444
 blk_mq_flush_plug_list+0x1142/0x1170 block/blk-mq.c:1756
 blk_flush_plug_list+0x708/0x790 block/blk-core.c:1728
 blk_mq_make_request+0x1c2d/0x3020 block/blk-mq.c:1994
 generic_make_request+0x41d/0x1280 block/blk-core.c:1052
 submit_bio+0x388/0x810 block/blk-core.c:1163
 dio_bio_submit fs/direct-io.c:482 [inline]
 do_blockdev_direct_IO fs/direct-io.c:1354 [inline]
 __blockdev_direct_IO+0x5675/0x6be0 fs/direct-io.c:1413
 ext4_direct_IO_read fs/ext4/inode.c:3881 [inline]
 ext4_direct_IO+0xab1/0x2580 fs/ext4/inode.c:3913
 generic_file_read_iter+0x314b/0x3e70 mm/filemap.c:2324
 ext4_file_read_iter+0x30a/0x520 include/linux/fs.h:793
 call_read_iter include/linux/fs.h:1864 [inline]
 new_sync_read fs/read_write.c:414 [inline]
 __vfs_read+0xa67/0xc90 fs/read_write.c:427
 vfs_read+0x359/0x6f0 fs/read_write.c:461
 ksys_read+0x265/0x430 fs/read_write.c:587
 __do_sys_read fs/read_write.c:597 [inline]
 __se_sys_read+0x92/0xb0 fs/read_write.c:595
 __x64_sys_read+0x4a/0x70 fs/read_write.c:595
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x459a09
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff193781c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a09
RDX: 00000000fffffcd6 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff1937826d4
R13: 00000000004c5cc7 R14: 00000000004dc2d8 R15: 00000000ffffffff
Modules linked in:
---[ end trace 1641be8e4dd78dbc ]---
RIP: 0010:kmsan_internal_memset_shadow+0xc0/0xd0 mm/kmsan/kmsan.c:116
Code: 00 00 01 e8 d2 8f 73 ff 85 c0 75 14 48 c7 c7 bb 42 26 8f 48 89 de 4c 89 fa 31 c0 e8 77 be 73 ff 41 c6 86 9b 09 00 00 00 0f 0b <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57
RSP: 0018:ffff8881cdbee480 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8882079b0000 RCX: 712f02f623ea7400
RDX: 0000000000000000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8881cdbee4a8 R08: 0000000000000000 R09: ffff88812fc41410
R10: 0000000000000000 R11: ffffffff8667f050 R12: 0000000000000000
R13: 0000000000002000 R14: 0000000000000000 R15: ffff8882079b0000
FS:  00007ff193782700(0000) GS:ffff88812fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa0e31ff349 CR3: 00000001cd8af000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400