IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
netlink: 'syz-executor0': attribute type 28 has an invalid length.
netlink: 'syz-executor0': attribute type 28 has an invalid length.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor2:6823]
Modules linked in:
CPU: 0 PID: 6823 Comm: syz-executor2 Not tainted 4.18.0-rc8+ #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:msan_get_shadow_origin_ptr+0xfa/0x2e0 include/linux/mmzone.h:1205
Code: 1a 8a 48 85 c9 74 29 48 89 d6 48 c1 ee 22 48 8b 0c f1 48 85 c9 74 19 48 c1 ea 1b 83 e2 7f 48 c1 e2 05 48 01 d1 74 09 f6 01 02 <0f> 85 68 01 00 00 48 c7 45 c0 00 00 00 00 9c 8f 45 c0 48 8b 45 c0 
RSP: 0018:ffff88012b9ff8b0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: ffff8801ab9ff998 RBX: ffffffff8a1af000 RCX: ffff88021fff14a0
RDX: 00000000000004a0 RSI: 0000000000000000 RDI: ffff88012b9ff998
RBP: ffff88012b9ff900 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff81174df0 R12: 0000000000000004
R13: ffff88012e1a3b00 R14: ffffffff8a1ae000 R15: ffff88012b9ff998
FS:  00000000028b3940(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020013000 CR3: 000000012e01c000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __msan_metadata_ptr_for_load_4+0x10/0x20 mm/kmsan/kmsan_instr.c:349
 csd_lock_wait kernel/smp.c:108 [inline]
 smp_call_function_single+0x373/0x4e0 kernel/smp.c:302
 task_function_call kernel/events/core.c:115 [inline]
 event_function_call+0x2cb/0x6f0 kernel/events/core.c:277
 perf_remove_from_context kernel/events/core.c:2105 [inline]
 perf_event_release_kernel+0x7d6/0x19e0 kernel/events/core.c:4560
 perf_release+0x5d/0x90 kernel/events/core.c:4647
 __fput+0x458/0xa30 fs/file_table.c:209
 ____fput+0x37/0x40 fs/file_table.c:243
 task_work_run+0x22e/0x2b0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:192 [inline]
 exit_to_usermode_loop arch/x86/entry/common.c:166 [inline]
 prepare_exit_to_usermode+0x339/0x410 arch/x86/entry/common.c:197
 syscall_return_slowpath+0xdb/0x700 arch/x86/entry/common.c:268
 do_syscall_64+0x1ab/0x220 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x410c41
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 
RSP: 002b:0000000000a3fdc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000410c41
RDX: 0000000000000000 RSI: 0000000000737318 RDI: 0000000000000005
RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff
R10: 0000000000a3fcf0 R11: 0000000000000293 R12: 0000000000000005
R13: 0000000000030b16 R14: 0000000000000008 R15: badc0ffeebadface
Sending NMI from CPU 0 to CPUs 1:
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan_entry.c:81!
invalid opcode: 0000 [#1] SMP PTI
CPU: 1 PID: 6879 Comm: syz-executor3 Not tainted 4.18.0-rc8+ #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_nmi_enter+0x42/0x70 mm/kmsan/kmsan_entry.c:80
Code: 00 74 27 65 8b 04 25 80 90 03 00 83 c0 01 83 f8 08 7d 27 65 89 04 25 80 90 03 00 65 c6 04 25 15 6e 0b 00 ff c3 0f 0b 90 eb fe <0f> 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 eb fe 0f 0b 66 90 66 2e 
RSP: 0018:fffffe0000049ea8 EFLAGS: 00010046
RAX: 0000000000000200 RBX: 0000000000000001 RCX: 00000000c0000101
RDX: 00000000ffff8802 RSI: ffffffff88c0136c RDI: 00000000000004a0
RBP: fffffe0000049ef9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 000000012c756000 R15: 0000000000000000
FS:  00007f7ed68d3700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdfb0710c0 CR3: 000000012c756000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 53eea8509be4b1e0 ]---
RIP: 0010:kmsan_nmi_enter+0x42/0x70 mm/kmsan/kmsan_entry.c:80
Code: 00 74 27 65 8b 04 25 80 90 03 00 83 c0 01 83 f8 08 7d 27 65 89 04 25 80 90 03 00 65 c6 04 25 15 6e 0b 00 ff c3 0f 0b 90 eb fe <0f> 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 eb fe 0f 0b 66 90 66 2e 
RSP: 0018:fffffe0000049ea8 EFLAGS: 00010046
RAX: 0000000000000200 RBX: 0000000000000001 RCX: 00000000c0000101
RDX: 00000000ffff8802 RSI: ffffffff88c0136c RDI: 00000000000004a0
RBP: fffffe0000049ef9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 000000012c756000 R15: 0000000000000000
FS:  00007f7ed68d3700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdfb0710c0 CR3: 000000012c756000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400