------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan_shadow.c:341!
invalid opcode: 0000 [#1] SMP
CPU: 1 PID: 17299 Comm: syz-executor.0 Not tainted 5.7.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_vmap_page_range_noflush+0x2d2/0x2e0 mm/kmsan/kmsan_shadow.c:337
Code: 25 42 ff 4c 89 e7 e8 8d 57 fd ff 4c 89 ef e8 85 57 fd ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 0f 0b 0f 0b 0f 0b <0f> 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 b9 08 00 00 00
RSP: 0000:ffffa79640f5f810 EFLAGS: 00010282
RAX: 00000000fffffff4 RBX: ffffb79696b04000 RCX: ffffa796412f2000
RDX: 0000000000040000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffa79640f5f860 R08: fffffbe9c000000f R09: ffff896befffb000
R10: 0000000000000000 R11: ffffffffafd8c120 R12: ffff896c31a00000
R13: ffff896c31b00000 R14: ffffb79676b04000 R15: ffffaf9676b04000
FS:  00007fdc7b448700(0000) GS:ffff896befd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045ca3f CR3: 0000000123f90000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vmap_page_range_noflush mm/vmalloc.c:266 [inline]
 vmap_page_range mm/vmalloc.c:275 [inline]
 map_vm_area mm/vmalloc.c:2079 [inline]
 vmap+0x2b2/0x450 mm/vmalloc.c:2464
 relay_alloc_buf kernel/relay.c:141 [inline]
 relay_create_buf kernel/relay.c:177 [inline]
 relay_open_buf+0x7c7/0x1ae0 kernel/relay.c:452
 relay_open+0x986/0x1240 kernel/relay.c:599
 do_blk_trace_setup+0x8d8/0x1330 kernel/trace/blktrace.c:526
 __blk_trace_setup kernel/trace/blktrace.c:571 [inline]
 blk_trace_ioctl+0x82c/0xab0 kernel/trace/blktrace.c:712
 blkdev_ioctl+0x866/0xd90 block/ioctl.c:711
 block_ioctl+0x16e/0x1c0 fs/block_dev.c:2005
 vfs_ioctl fs/ioctl.c:47 [inline]
 ksys_ioctl fs/ioctl.c:771 [inline]
 __do_sys_ioctl fs/ioctl.c:780 [inline]
 __se_sys_ioctl+0x2e9/0x410 fs/ioctl.c:778
 __x64_sys_ioctl+0x4a/0x70 fs/ioctl.c:778
 do_syscall_64+0xb8/0x160 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45ca69
Code: Bad RIP value.
RSP: 002b:00007fdc7b447c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e1c40 RCX: 000000000045ca69
RDX: 0000000020000500 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000022e R14: 00000000004c4792 R15: 00007fdc7b4486d4
Modules linked in:
---[ end trace df7e72392475f99d ]---
RIP: 0010:kmsan_vmap_page_range_noflush+0x2d2/0x2e0 mm/kmsan/kmsan_shadow.c:337
Code: 25 42 ff 4c 89 e7 e8 8d 57 fd ff 4c 89 ef e8 85 57 fd ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 0f 0b 0f 0b 0f 0b <0f> 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 b9 08 00 00 00
RSP: 0000:ffffa79640f5f810 EFLAGS: 00010282
RAX: 00000000fffffff4 RBX: ffffb79696b04000 RCX: ffffa796412f2000
RDX: 0000000000040000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffa79640f5f860 R08: fffffbe9c000000f R09: ffff896befffb000
R10: 0000000000000000 R11: ffffffffafd8c120 R12: ffff896c31a00000
R13: ffff896c31b00000 R14: ffffb79676b04000 R15: ffffaf9676b04000
FS:  00007fdc7b448700(0000) GS:ffff896befd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045ca3f CR3: 0000000123f90000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400