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kernel BUG at mm/kmsan/kmsan.c:729!
invalid opcode: 0000 [#1] SMP
CPU: 0 PID: 3763 Comm: udevd Not tainted 5.0.0+ #16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_internal_check_memory+0xb84/0xbb0 mm/kmsan/kmsan.c:727
Code: 65 8b 34 25 04 90 03 00 65 48 8b 14 25 90 0d 04 00 48 c7 c7 6c 6c 81 8b 31 c0 e8 b7 fd 79 ff 0f 0b 0f 0b e8 8e 22 56 ff 0f 0b <0f> 0b e8 75 d0 79 ff 85 c0 75 1f 65 8b 34 25 04 90 03 00 65 48 8b
RSP: 0018:ffff88810d4bfa60 EFLAGS: 00010046
RAX: 0000000000000002 RBX: 00000000916000b4 RCX: ffff888000000000
RDX: 000007ffffffffff RSI: 0000000000000004 RDI: ffff88810d4bfc08
RBP: ffff88810d4bfb10 R08: ffff88810d4bfc08 R09: ffff88818d4bfc08
R10: ffff88810dfefc08 R11: ffffffff885b9160 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000000000286 R15: 0000000000000000
FS:  00007f9db15eb7a0(0000) GS:ffff88812fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010d4c1000 CR4: 00000000001406f0
Call Trace:
 kmsan_check_memory+0xd/0x10 mm/kmsan/kmsan.c:737
 ep_send_events_proc+0xa8b/0x1640 fs/eventpoll.c:1675
 ep_scan_ready_list+0x366/0xe80 fs/eventpoll.c:708
 ep_send_events fs/eventpoll.c:1715 [inline]
 ep_poll fs/eventpoll.c:1852 [inline]
 do_epoll_wait+0xd00/0x1990 fs/eventpoll.c:2216
 __do_sys_epoll_wait fs/eventpoll.c:2226 [inline]
 __se_sys_epoll_wait+0xb3/0xe0 fs/eventpoll.c:2223
 __x64_sys_epoll_wait+0x56/0x70 fs/eventpoll.c:2223
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x7f9db0cff943
Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24
RSP: 002b:00007ffc48e98bf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f9db0cff943
RDX: 0000000000000008 RSI: 00007ffc48e98cf0 RDI: 000000000000000a
RBP: 000000000147a810 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000bb8 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 000000000147b3b0 R15: 0000000001469250
Modules linked in:
---[ end trace ee1177a6ca4b9f18 ]---
RIP: 0010:kmsan_internal_check_memory+0xb84/0xbb0 mm/kmsan/kmsan.c:727
Code: 65 8b 34 25 04 90 03 00 65 48 8b 14 25 90 0d 04 00 48 c7 c7 6c 6c 81 8b 31 c0 e8 b7 fd 79 ff 0f 0b 0f 0b e8 8e 22 56 ff 0f 0b <0f> 0b e8 75 d0 79 ff 85 c0 75 1f 65 8b 34 25 04 90 03 00 65 48 8b
RSP: 0018:ffff88810d4bfa60 EFLAGS: 00010046
RAX: 0000000000000002 RBX: 00000000916000b4 RCX: ffff888000000000
RDX: 000007ffffffffff RSI: 0000000000000004 RDI: ffff88810d4bfc08
RBP: ffff88810d4bfb10 R08: ffff88810d4bfc08 R09: ffff88818d4bfc08
R10: ffff88810dfefc08 R11: ffffffff885b9160 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000000000286 R15: 0000000000000000
FS:  00007f9db15eb7a0(0000) GS:ffff88812fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010d4c1000 CR4: 00000000001406f0