general protection fault in futex

Kernel	Title	Count	Last	Reported	Patched	Status
upstream	general protection fault in futex_wake kernel	1	1336d	1332d	0/26	auto-closed as invalid on 2020/10/20 15:46
upstream	general protection fault in futex_wake (2) kernel	2	1000d	1004d	0/26	auto-closed as invalid on 2021/10/21 19:26
linux-4.14	general protection fault in futex_wake	1	1587d	1587d	0/1	auto-closed as invalid on 2020/04/13 04:56
linux-4.19	general protection fault in futex_wake (2)	1	1119d	1119d	0/1	auto-closed as invalid on 2021/07/25 11:26

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: 0 PID: 6848 Comm: syz-executor.0 Not tainted 4.19.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:futex_wake+0x22f/0x480 kernel/futex.c:1618 Code: 4c 39 24 24 48 8d 58 e8 0f 84 b7 01 00 00 49 bc 00 00 00 00 00 fc ff df eb 33 e8 4c a4 0a 00 4c 8d 6b 18 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 c5 01 00 00 48 8b 43 18 48 89 dd 48 83 e8 18 RSP: 0018:ffff88821372f7b0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffffffffffe8 RCX: ffffffff815f0c2f RDX: 0000000000000000 RSI: ffffffff815f0bc4 RDI: 0000000000000006 RBP: ffff88800013fb40 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000006 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 00007f4dd7b9f000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000007454d8 CR3: 000000004f1f3000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: do_futex+0x351/0x1c40 kernel/futex.c:3714 mm_release+0x322/0x470 kernel/fork.c:1256 exit_mm kernel/exit.c:501 [inline] do_exit+0x6c8/0x2b70 kernel/exit.c:874 do_group_exit+0x125/0x310 kernel/exit.c:990 get_signal+0x3f2/0x1f70 kernel/signal.c:2588 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45d4d9 Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4dd7b9ecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000118cf48 RCX: 000000000045d4d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cf48 RBP: 000000000118cf40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007fff259a55ef R14: 00007f4dd7b9f9c0 R15: 000000000118cf4c Modules linked in: ---[ end trace 240b1da468d0d85e ]--- RIP: 0010:futex_wake+0x22f/0x480 kernel/futex.c:1618 Code: 4c 39 24 24 48 8d 58 e8 0f 84 b7 01 00 00 49 bc 00 00 00 00 00 fc ff df eb 33 e8 4c a4 0a 00 4c 8d 6b 18 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 c5 01 00 00 48 8b 43 18 48 89 dd 48 83 e8 18 RSP: 0018:ffff88821372f7b0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffffffffffe8 RCX: ffffffff815f0c2f RDX: 0000000000000000 RSI: ffffffff815f0bc4 RDI: 0000000000000006 RBP: ffff88800013fb40 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000006 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 00007f4dd7b9f000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000007454d8 CR3: 000000004f1f3000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600