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general protection fault in fire_user_return_notifiers

Status: auto-closed as invalid on 2020/05/17 10:13
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+529818c5c7cdf607bf0e@syzkaller.appspotmail.com
First crash: 1933d, last: 1558d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
general protection fault in fire_user_return_notifiers 0 (1) 2019/10/21 05:25
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 general protection fault in fire_user_return_notifiers 1 834d 834d 0/2 auto-closed as invalid on 2022/05/11 12:43

Sample crash report:
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: 8694 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:fire_user_return_notifiers+0x90/0x110 kernel/user-return-notifier.c:42
Code: 00 48 8b 1b 48 85 db 74 06 48 83 c3 f8 75 10 e8 66 06 e2 ff eb 54 0f 1f 40 00 e8 5b 06 e2 ff 48 8d 7b 08 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 54 49 1e 00 4c 8b 73 08 48 89 d8 48 c1 e8
RSP: 0018:ffffc90002147e38 EFLAGS: 00010a02
RAX: 1bd5a00000000020 RBX: dead0000000000f8 RCX: ffff8880a2e682c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: dead000000000100
RBP: ffffc90002147e50 R08: ffffffff8109cfbd R09: ffffed10145cd059
R10: ffffed10145cd059 R11: 0000000000000000 R12: 0000000000000800
R13: dffffc0000000000 R14: dead000000000100 R15: dffffc0000000000
FS:  0000000002987940(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000997eb000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exit_to_usermode_loop arch/x86/entry/common.c:169 [inline]
 prepare_exit_to_usermode+0x420/0x5b0 arch/x86/entry/common.c:195
 syscall_return_slowpath+0x113/0x4a0 arch/x86/entry/common.c:278
 do_syscall_64+0x11f/0x1c0 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4594a0
Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 91 f4 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00
RSP: 002b:00007ffd76452f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
RAX: 0000000000000000 RBX: 000000000009ebb4 RCX: 00000000004594a0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd76452f20
RBP: 0000000000000a12 R08: 0000000000000001 R09: 0000000002987940
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
R13: 00007ffd76452f70 R14: 000000000009e844 R15: 00007ffd76452f80
Modules linked in:
---[ end trace 11b3d2388594441d ]---
RIP: 0010:fire_user_return_notifiers+0x90/0x110 kernel/user-return-notifier.c:42
Code: 00 48 8b 1b 48 85 db 74 06 48 83 c3 f8 75 10 e8 66 06 e2 ff eb 54 0f 1f 40 00 e8 5b 06 e2 ff 48 8d 7b 08 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 54 49 1e 00 4c 8b 73 08 48 89 d8 48 c1 e8
RSP: 0018:ffffc90002147e38 EFLAGS: 00010a02
RAX: 1bd5a00000000020 RBX: dead0000000000f8 RCX: ffff8880a2e682c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: dead000000000100
RBP: ffffc90002147e50 R08: ffffffff8109cfbd R09: ffffed10145cd059
R10: ffffed10145cd059 R11: 0000000000000000 R12: 0000000000000800
R13: dffffc0000000000 R14: dead000000000100 R15: dffffc0000000000
FS:  0000000002987940(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000997eb000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (13):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/01/18 10:12 upstream 25e73aadf297 3de7aabb .config console log report ci-upstream-kasan-gce-smack-root
2020/01/15 21:53 upstream 51d69817519f f9b69507 .config console log report ci-upstream-kasan-gce-smack-root
2019/10/09 04:12 upstream eda57a0e4299 b1ebbfef .config console log report ci-upstream-kasan-gce-smack-root
2019/09/03 11:22 upstream 089cf7f6ecb2 14544a56 .config console log report ci-upstream-kasan-gce-selinux-root
2019/08/25 10:20 upstream 361469211f87 d21c5d9d .config console log report ci-upstream-kasan-gce
2019/07/01 04:57 upstream 6fbc7275c7a9 699d6448 .config console log report ci-upstream-kasan-gce
2019/04/14 14:45 upstream 4443f8e6ac77 505ab413 .config console log report ci-upstream-kasan-gce-root
2019/04/10 12:47 upstream 0ee7fb36f988 65b612b7 .config console log report ci-upstream-kasan-gce-smack-root
2019/01/20 05:38 upstream b0efca46b570 353f32ea .config console log report ci-upstream-kasan-gce-smack-root
2019/06/08 19:06 linux-next 3f310e51ceb1 0159583c .config console log report ci-upstream-linux-next-kasan-gce-root
2019/05/01 22:59 linux-next bf2c8035bd8b 7516d9fa .config console log report ci-upstream-linux-next-kasan-gce-root
2019/04/13 05:54 linux-next bcb67f0fbce9 c402d8f1 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/01/08 14:44 linux-next 139287cc2cc0 37dd2683 .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.