audit: type=1400 audit(1569703936.883:36): avc: denied { map } for pid=7508 comm="syz-executor572" path="/root/syz-executor572341624" 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 IPVS: ftp: loaded support on port[0] = 21 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: 7508 Comm: syz-executor572 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:ffff88809458faa0 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff813fd453 RDX: 0000000000000002 RSI: ffffffff813fd486 RDI: 0000000000000014 RBP: ffff88809458fbc8 R08: ffff88808f95a680 R09: ffffed1015d24733 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000001d55 R13: ffff88809458fcbc R14: ffff88809ad3e300 R15: ffff88809458fcb8 FS: 0000555556602880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006cc0a0 CR3: 000000008a655000 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: 0033:0x40142a Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 8b 05 ce 22 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:00007ffd2646eb38 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000001d55 RCX: 000000000040142a RDX: 0000000040000000 RSI: 00007ffd2646eb44 RDI: ffffffffffffffff RBP: 00000000006cc018 R08: 0000000000000000 R09: 0000555556602880 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004023e0 R13: 0000000000402470 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 7739787472c20157 ]--- 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:ffff88809458faa0 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff813fd453 RDX: 0000000000000002 RSI: ffffffff813fd486 RDI: 0000000000000014 RBP: ffff88809458fbc8 R08: ffff88808f95a680 R09: ffffed1015d24733 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000001d55 R13: ffff88809458fcbc R14: ffff88809ad3e300 R15: ffff88809458fcb8 FS: 0000555556602880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006cc0a0 CR3: 000000008a655000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400