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kernel BUG at mm/kmsan/kmsan.c:693!
invalid opcode: 0000 [#1] SMP
CPU: 1 PID: 10290 Comm: syz-executor176 Not tainted 5.0.0+ #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_internal_check_memory+0xb45/0xb80 mm/kmsan/kmsan.c:691
Code: 65 8b 34 25 04 90 03 00 65 48 8b 14 25 90 0d 04 00 48 c7 c7 4c 6c 81 8b 31 c0 e8 f6 fe 79 ff 0f 0b 0f 0b e8 cd 23 56 ff 0f 0b <0f> 0b e8 b4 d1 79 ff 85 c0 75 1f 65 8b 34 25 04 90 03 00 65 48 8b
RSP: 0018:ffff8881030efc50 EFLAGS: 00010046
RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 000007ffffffffff RDI: ffff8881030ffd6c
RBP: ffff8881030efd00 R08: 00000000073d3900 R09: ffff88812fd39010
R10: 00000000000f000f R11: 0000000000000000 R12: 00000000a94000ac
R13: 0000000000000000 R14: 0000000000000206 R15: 0000000000000004
FS:  0000000000d2b880(0000) GS:ffff88812fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004bf788 CR3: 0000000109b9e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kmsan_check_memory+0xd/0x10 mm/kmsan/kmsan.c:701
 kernel_wait4+0x4ba/0x5e0 kernel/exit.c:1671
 __do_sys_wait4 kernel/exit.c:1681 [inline]
 __se_sys_wait4+0x15f/0x2b0 kernel/exit.c:1677
 __x64_sys_wait4+0x56/0x70 kernel/exit.c:1677
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x40106a
Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 8b 05 6e 16 2d 00 85 c0 75 36 45 31 d2 48 63 d2 48 63 ff b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 d0 ff ff ff f7
RSP: 002b:00007ffde2a48b98 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 000000000000283f RCX: 000000000040106a
RDX: 0000000040000001 RSI: 00007ffde2a48ba4 RDI: ffffffffffffffff
RBP: 000000000001b908 R08: 0000000000002832 R09: 0000000000d2b880
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402020
R13: 00000000004020b0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 733d319bdb1da008 ]---
RIP: 0010:kmsan_internal_check_memory+0xb45/0xb80 mm/kmsan/kmsan.c:691
Code: 65 8b 34 25 04 90 03 00 65 48 8b 14 25 90 0d 04 00 48 c7 c7 4c 6c 81 8b 31 c0 e8 f6 fe 79 ff 0f 0b 0f 0b e8 cd 23 56 ff 0f 0b <0f> 0b e8 b4 d1 79 ff 85 c0 75 1f 65 8b 34 25 04 90 03 00 65 48 8b
RSP: 0018:ffff8881030efc50 EFLAGS: 00010046
RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 000007ffffffffff RDI: ffff8881030ffd6c
RBP: ffff8881030efd00 R08: 00000000073d3900 R09: ffff88812fd39010
R10: 00000000000f000f R11: 0000000000000000 R12: 00000000a94000ac
R13: 0000000000000000 R14: 0000000000000206 R15: 0000000000000004
FS:  0000000000d2b880(0000) GS:ffff88812fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004bf788 CR3: 0000000109b9e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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