misc userio: Invalid payload size
misc userio: Invalid payload size
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
Modules linked in:
CPU: 0 PID: 23631 Comm: syz-executor.1 Not tainted 4.14.218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805f65a300 task.stack: ffff8882082c0000
RIP: 0010:__read_once_size syzkaller/managers/linux-4-14/kernel/./include/linux/compiler.h:183 [inline]
RIP: 0010:mm_update_next_owner+0x367/0x5b0 syzkaller/managers/linux-4-14/kernel/kernel/exit.c:451
RSP: 0018:ffff8882082c7d48 EFLAGS: 00010202
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: 0000000000001872
RDX: 0000000000000000 RSI: 0000000000000100 RDI: ffff888000158cc0
RBP: 0000000000000000 R08: ffff88809b7106b0 R09: 000000000006008a
R10: ffff88805f65ab88 R11: ffff88805f65a300 R12: ffff8880abcd46c0
R13: 0000000000000010 R14: ffff88805f65a300 R15: ffff888066206000
FS:  0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002ee1708 CR3: 0000000207c23000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exit_mm syzkaller/managers/linux-4-14/kernel/kernel/exit.c:547 [inline]
 do_exit+0x97c/0x2850 syzkaller/managers/linux-4-14/kernel/kernel/exit.c:855
 do_group_exit+0x100/0x2e0 syzkaller/managers/linux-4-14/kernel/kernel/exit.c:965
 SYSC_exit_group syzkaller/managers/linux-4-14/kernel/kernel/exit.c:976 [inline]
 SyS_exit_group+0x19/0x20 syzkaller/managers/linux-4-14/kernel/kernel/exit.c:974
 do_syscall_64+0x1d5/0x640 syzkaller/managers/linux-4-14/kernel/arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x465b09
RSP: 002b:00007ffc8234ad48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000465b09
RDX: 0000000000418e1b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc8234ae40
Code: 00 48 8d bd 20 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 fb 01 00 00 48 8b ad 20 03 00 00 4c 8d 6d 10 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 0f 85 d2 01 00 00 48 8b 45 10 48 8d a8 68 fa ff ff 
RIP: __read_once_size syzkaller/managers/linux-4-14/kernel/./include/linux/compiler.h:183 [inline] RSP: ffff8882082c7d48
RIP: mm_update_next_owner+0x367/0x5b0 syzkaller/managers/linux-4-14/kernel/kernel/exit.c:451 RSP: ffff8882082c7d48
---[ end trace 1d9d998239fdd05a ]---