RSP: 002b:00007f9858301c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f98583026d4 RCX: 000000000045c869
RDX: 0000000020000140 RSI: 00000000c058565d RDI: 0000000000000003
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007
R13: 000000000000062d R14: 00000000004c9018 R15: 0000000000000004
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan_shadow.c:456!
invalid opcode: 0000 [#1] SMP
CPU: 1 PID: 10595 Comm: syz-executor.0 Not tainted 5.6.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_vmap_page_range_noflush+0x2d0/0x2e0 mm/kmsan/kmsan_shadow.c:103
Code: e8 e5 d7 41 ff 4c 89 e7 e8 4d 58 fd ff 4c 89 ef e8 45 58 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
RSP: 0018:ffffb8ed8261b318 EFLAGS: 00010286
RAX: 00000000fffffff4 RBX: ffffc0ed91a20000 RCX: ffffb8ed80f71000
RDX: 0000000000040000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffb8ed8261b368 R08: ffffe2f34000000f R09: ffff93f46fffb000
R10: 0000000000000004 R11: ffffffff9ba506e0 R12: ffff93f352003800
R13: ffff93f352003780 R14: ffffc8ed91a10000 R15: ffffc0ed91a10000
FS:  00007f9858302700(0000) GS:ffff93f46fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 00000001077e0000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vmap_page_range_noflush mm/vmalloc.c:265 [inline]
 vmap_page_range mm/vmalloc.c:274 [inline]
 vm_map_ram+0x1210/0x4630 mm/vmalloc.c:1865
 vb2_vmalloc_get_userptr+0x549/0x940 drivers/media/common/videobuf2/videobuf2-vmalloc.c:110
 __prepare_userptr drivers/media/common/videobuf2/videobuf2-core.c:1062 [inline]
 __buf_prepare+0x16f1/0x4930 drivers/media/common/videobuf2/videobuf2-core.c:1302
 vb2_core_prepare_buf+0x173/0x560 drivers/media/common/videobuf2/videobuf2-core.c:1435
 vb2_prepare_buf drivers/media/common/videobuf2/videobuf2-v4l2.c:695 [inline]
 vb2_ioctl_prepare_buf+0x483/0x4b0 drivers/media/common/videobuf2/videobuf2-v4l2.c:969
 v4l_prepare_buf+0x175/0x1c0 drivers/media/v4l2-core/v4l2-ioctl.c:2037
 __video_do_ioctl+0x1409/0x1a70 drivers/media/v4l2-core/v4l2-ioctl.c:2925
 video_usercopy+0x100a/0x2b50 drivers/media/v4l2-core/v4l2-ioctl.c:3237
 video_ioctl2+0x9f/0xb0 drivers/media/v4l2-core/v4l2-ioctl.c:3274
 v4l2_ioctl+0x23f/0x270 drivers/media/v4l2-core/v4l2-dev.c:360
 vfs_ioctl fs/ioctl.c:47 [inline]
 ksys_ioctl fs/ioctl.c:763 [inline]
 __do_sys_ioctl fs/ioctl.c:772 [inline]
 __se_sys_ioctl+0x2e9/0x410 fs/ioctl.c:770
 __x64_sys_ioctl+0x4a/0x70 fs/ioctl.c:770
 do_syscall_64+0xb8/0x160 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c869
Code: 0d 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9858301c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f98583026d4 RCX: 000000000045c869
RDX: 0000000020000140 RSI: 00000000c058565d RDI: 0000000000000003
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007
R13: 000000000000062d R14: 00000000004c9018 R15: 0000000000000004
Modules linked in:
---[ end trace 62b97fcae88456d6 ]---
RIP: 0010:kmsan_vmap_page_range_noflush+0x2d0/0x2e0 mm/kmsan/kmsan_shadow.c:103
Code: e8 e5 d7 41 ff 4c 89 e7 e8 4d 58 fd ff 4c 89 ef e8 45 58 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
RSP: 0018:ffffb8ed8261b318 EFLAGS: 00010286
RAX: 00000000fffffff4 RBX: ffffc0ed91a20000 RCX: ffffb8ed80f71000
RDX: 0000000000040000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffb8ed8261b368 R08: ffffe2f34000000f R09: ffff93f46fffb000
R10: 0000000000000004 R11: ffffffff9ba506e0 R12: ffff93f352003800
R13: ffff93f352003780 R14: ffffc8ed91a10000 R15: ffffc0ed91a10000
FS:  00007f9858302700(0000) GS:ffff93f46fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 00000001077e0000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400