audit: type=1400 audit(1569522987.908:36): avc:  denied  { map } for  pid=7664 comm="syz-executor946" path="/root/syz-executor946996289" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7662 Comm: sshd Not tainted 4.19.75 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:wait_task_zombie kernel/exit.c:1058 [inline]
RIP: 0010:wait_consider_task+0x140b/0x3910 kernel/exit.c:1391
Code: e0 74 49 87 c6 05 0a fc f7 07 01 e8 d6 f5 12 00 e8 fa 8d 2b 00 48 8d 7b 14 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8
RSP: 0018:ffff8880a5327aa0 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff813fd453
RDX: 0000000000000002 RSI: ffffffff813fd486 RDI: 0000000000000014
RBP: ffff8880a5327bc8 R08: ffff88808e886640 R09: ffffed1015d24733
R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000001df0
R13: ffff8880a5327cbc R14: ffff8880900ec6c0 R15: ffff8880a5327cb8
FS:  00007f6f820717c0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd483a0ec0 CR3: 000000009c237000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_wait_thread kernel/exit.c:1454 [inline]
 do_wait+0x439/0x9d0 kernel/exit.c:1525
 kernel_wait4+0x171/0x290 kernel/exit.c:1668
 __do_sys_wait4+0x147/0x160 kernel/exit.c:1680
 __se_sys_wait4 kernel/exit.c:1676 [inline]
 __x64_sys_wait4+0x97/0xf0 kernel/exit.c:1676
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f6f803e7a3e
Code: 90 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 c2 eb 2d 00 85 c0 75 1d 45 31 d2 48 63 d2 48 63 ff b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10
RSP: 002b:00007ffd483a5800 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f803e7a3e
RDX: 0000000000000001 RSI: 00007ffd483a583c RDI: ffffffffffffffff
RBP: 000055ad8f628c88 R08: 00007ffd483a5900 R09: 0101010101010101
R10: 0000000000000000 R11: 0000000000000246 R12: 000055ad91005c00
R13: 000055ad8f626fb4 R14: 0000000000000028 R15: 000055ad8f628ca0
Modules linked in:
---[ end trace fc2ff60289c9710c ]---
RIP: 0010:wait_task_zombie kernel/exit.c:1058 [inline]
RIP: 0010:wait_consider_task+0x140b/0x3910 kernel/exit.c:1391
Code: e0 74 49 87 c6 05 0a fc f7 07 01 e8 d6 f5 12 00 e8 fa 8d 2b 00 48 8d 7b 14 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8
RSP: 0018:ffff8880a5327aa0 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff813fd453
RDX: 0000000000000002 RSI: ffffffff813fd486 RDI: 0000000000000014
RBP: ffff8880a5327bc8 R08: ffff88808e886640 R09: ffffed1015d24733
R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000001df0
R13: ffff8880a5327cbc R14: ffff8880900ec6c0 R15: ffff8880a5327cb8
FS:  00007f6f820717c0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd483a0ec0 CR3: 000000009c237000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400