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general protection fault in __ethtool_get_link_ksettings

Status: closed as invalid on 2021/10/06 01:39
Subsystems: net
[Documentation on labels]
First crash: 1323d, last: 1164d
Cause bisection: failed (error log, bisect log)
  
Fix bisection: fixed by (bisect log) [no-op commit]:
commit e90812c47b958407b54d05780dc483fdc1b57a93
Author: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Date: Fri Apr 23 15:19:11 2021 +0000

  staging: media: rkvdec: fix pm_runtime_get_sync() usage count

  
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 KASAN: use-after-free Read in __ethtool_get_link_ksettings 6 5d11h 129d 0/3 upstream: reported on 2024/05/14 07:21
upstream KASAN: use-after-free Read in __ethtool_get_link_ksettings net 2 896d 932d 0/28 auto-closed as invalid on 2022/07/07 00:01
upstream KASAN: use-after-free Read in __ethtool_get_link_ksettings (2) net 1 789d 785d 0/28 auto-obsoleted due to no activity on 2022/11/20 15:32
upstream KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings net 186 36m 181d 0/28 upstream: reported on 2024/03/22 20:10
▶ ▼ Cause bisection attempts (2)
Created Duration User Patch Repo Result
2021/02/21 22:58 8h11m bisect upstream error job log
2021/02/05 20:48 0m bisect linux-next error job log

Sample crash report:
general protection fault, probably for non-canonical address 0xdffffc00d14d2bac: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x000000068a695d60-0x000000068a695d67]
CPU: 0 PID: 11463 Comm: syz-executor750 Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__ethtool_get_link_ksettings+0x1a3/0x3a0 net/ethtool/ioctl.c:446
Code: dc 3d fa 83 fd ff 0f 84 30 01 00 00 e8 96 d6 3d fa 48 8d 3c ed 60 7d 69 8a 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 08 84 d2 0f 85 b9
RSP: 0018:ffffc900099777a0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88801b11af08 RCX: 0000000000000000
RDX: 00000000d14d2bac RSI: ffffffff8735158a RDI: 000000068a695d60
RBP: 00000000dffffc00 R08: 00000000ffffffff R09: ffff88801b11af6f
R10: ffffffff8735157c R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801b11af6c R14: ffff888027158210 R15: ffff888027158210
FS:  00007f1524362700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000380 CR3: 0000000012b6e000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 linkinfo_prepare_data+0xfd/0x280 net/ethtool/linkinfo.c:37
 ethnl_default_notify+0x1dc/0x630 net/ethtool/netlink.c:586
 ethtool_notify+0xbd/0x1f0 net/ethtool/netlink.c:656
 ethtool_set_link_ksettings+0x277/0x330 net/ethtool/ioctl.c:620
 dev_ethtool+0x2b36/0x45d0 net/ethtool/ioctl.c:2842
 dev_ioctl+0x463/0xb70 net/core/dev_ioctl.c:440
 sock_do_ioctl+0x148/0x2d0 net/socket.c:1060
 sock_ioctl+0x477/0x6a0 net/socket.c:1177
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:739
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x451e79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 18 00 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1524362208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004d6268 RCX: 0000000000451e79
RDX: 0000000020000380 RSI: 0000000000008946 RDI: 0000000000000003
RBP: 00000000004d6260 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004d626c
R13: 00007fff3395887f R14: 00007f1524362300 R15: 0000000000022000
Modules linked in:
---[ end trace 8a2ac0d9cfec76f1 ]---
RIP: 0010:__ethtool_get_link_ksettings+0x1a3/0x3a0 net/ethtool/ioctl.c:446
Code: dc 3d fa 83 fd ff 0f 84 30 01 00 00 e8 96 d6 3d fa 48 8d 3c ed 60 7d 69 8a 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 08 84 d2 0f 85 b9
RSP: 0018:ffffc900099777a0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88801b11af08 RCX: 0000000000000000
RDX: 00000000d14d2bac RSI: ffffffff8735158a RDI: 000000068a695d60
RBP: 00000000dffffc00 R08: 00000000ffffffff R09: ffff88801b11af6f
R10: ffffffff8735157c R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801b11af6c R14: ffff888027158210 R15: ffff888027158210
FS:  00007f1524362700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000380 CR3: 0000000012b6e000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (298):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/02/21 11:05 upstream e767b3530acb 3e5ed8b4 .config console log report syz C ci-upstream-kasan-gce-selinux-root general protection fault in __ethtool_get_link_ksettings
2021/02/21 06:34 upstream e767b3530acb 3e5ed8b4 .config console log report syz C ci-upstream-kasan-gce general protection fault in __ethtool_get_link_ksettings
2021/04/02 18:24 net-old 9256ce331101 6a81331a .config console log report syz C ci-upstream-net-this-kasan-gce general protection fault in __ethtool_get_link_ksettings
2021/02/21 12:04 net-next-old 38b5133ad607 3e5ed8b4 .config console log report syz C ci-upstream-net-kasan-gce general protection fault in __ethtool_get_link_ksettings
2021/06/24 16:40 https://github.com/google/kmsan.git master 6734053bbeca ec865f6a .config console log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/05/11 00:57 https://github.com/google/kmsan.git master 4ebaab5fb428 ca873091 .config console log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/05/11 00:18 https://github.com/google/kmsan.git master 4ebaab5fb428 ca873091 .config console log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/05/10 21:20 https://github.com/google/kmsan.git master 4ebaab5fb428 ca873091 .config console log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/04/29 15:34 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/02/21 09:36 upstream e767b3530acb 3e5ed8b4 .config console log report syz ci-upstream-kasan-gce-root general protection fault in __ethtool_get_link_ksettings
2021/02/05 20:48 linux-next aa2b88209686 23a562df .config console log report syz ci-upstream-linux-next-kasan-gce-root general protection fault in __ethtool_get_link_ksettings
2021/04/09 16:32 upstream 4fa56ad0d12e 6a81331a .config console log report info ci-upstream-kasan-gce-smack-root general protection fault in __ethtool_get_link_ksettings
2021/04/08 05:46 upstream 3a22981230f9 6a81331a .config console log report info ci-upstream-kasan-gce-smack-root general protection fault in __ethtool_get_link_ksettings
2021/03/12 02:04 upstream 28806e4d9b97 429d8a6b .config console log report info ci-upstream-kasan-gce-selinux-root general protection fault in __ethtool_get_link_ksettings
2021/03/10 01:18 upstream 144c79ef3353 26967e35 .config console log report info ci-upstream-kasan-gce-root general protection fault in __ethtool_get_link_ksettings
2021/02/23 04:52 upstream a99163e9e708 c26fb06b .config console log report info ci-upstream-kasan-gce general protection fault in __ethtool_get_link_ksettings
2021/04/03 02:08 net-next-old f3f409a9b7f5 6a81331a .config console log report info ci-upstream-net-kasan-gce general protection fault in __ethtool_get_link_ksettings
2021/03/09 06:38 linux-next 3aa6f5082286 09fbf400 .config console log report info ci-upstream-linux-next-kasan-gce-root general protection fault in __ethtool_get_link_ksettings
2021/02/05 13:45 linux-next aa2b88209686 23a562df .config console log report info ci-upstream-linux-next-kasan-gce-root general protection fault in __ethtool_get_link_ksettings
2021/07/13 19:44 https://github.com/google/kmsan.git master 57b5797c8013 fa0594c3 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/11 22:05 https://github.com/google/kmsan.git master 57b5797c8013 8f5a7b8c .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/11 20:19 https://github.com/google/kmsan.git master 57b5797c8013 8f5a7b8c .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/09 16:24 https://github.com/google/kmsan.git master 57b5797c8013 281e815f .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/09 12:23 https://github.com/google/kmsan.git master 57b5797c8013 281e815f .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/07 10:25 https://github.com/google/kmsan.git master 57b5797c8013 4846d5c1 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/05 13:14 https://github.com/google/kmsan.git master 57b5797c8013 55aa55c2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/04 00:46 https://github.com/google/kmsan.git master 57b5797c8013 55aa55c2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/03 05:28 https://github.com/google/kmsan.git master 57b5797c8013 55aa55c2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/03 02:51 https://github.com/google/kmsan.git master 57b5797c8013 55aa55c2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/02 06:50 https://github.com/google/kmsan.git master 57b5797c8013 658ebc66 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/02 01:13 https://github.com/google/kmsan.git master 57b5797c8013 658ebc66 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/30 01:21 https://github.com/google/kmsan.git master 57b5797c8013 a4fccb01 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/29 01:04 https://github.com/google/kmsan.git master 57b5797c8013 9d2ab5df .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/25 00:16 https://github.com/google/kmsan.git master a520ce29b172 0edbbe31 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/23 14:01 https://github.com/google/kmsan.git master 6a6a67f21dec aba2b2fb .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/23 06:03 https://github.com/google/kmsan.git master 6a6a67f21dec aba2b2fb .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/22 12:40 https://github.com/google/kmsan.git master 6a6a67f21dec aba2b2fb .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/21 09:11 https://github.com/google/kmsan.git master 6a6a67f21dec aba2b2fb .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/18 16:10 https://github.com/google/kmsan.git master bfeba8b4c158 aba2b2fb .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/17 23:37 https://github.com/google/kmsan.git master bfeba8b4c158 aba2b2fb .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/16 23:13 https://github.com/google/kmsan.git master 89a0faf20faa aba2b2fb .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/15 03:44 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/14 06:26 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/14 04:15 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/13 16:32 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/13 16:29 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/12 08:34 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/09 08:53 https://github.com/google/kmsan.git master 6099c9da2f7d 5c2fe346 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/14 12:05 https://github.com/google/kmsan.git master 57b5797c8013 484502bd .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/11 23:46 https://github.com/google/kmsan.git master 57b5797c8013 8f5a7b8c .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/09 15:12 https://github.com/google/kmsan.git master 57b5797c8013 281e815f .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/07 15:56 https://github.com/google/kmsan.git master 57b5797c8013 4846d5c1 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/04 08:29 https://github.com/google/kmsan.git master 57b5797c8013 55aa55c2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/03 00:00 https://github.com/google/kmsan.git master 57b5797c8013 55aa55c2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/07/02 01:13 https://github.com/google/kmsan.git master 57b5797c8013 658ebc66 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/29 15:10 https://github.com/google/kmsan.git master 57b5797c8013 9d2ab5df .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/28 08:58 https://github.com/google/kmsan.git master 57b5797c8013 9d2ab5df .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/27 09:25 https://github.com/google/kmsan.git master 57b5797c8013 9d2ab5df .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/21 04:48 https://github.com/google/kmsan.git master 6a6a67f21dec aba2b2fb .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/20 11:19 https://github.com/google/kmsan.git master 6a6a67f21dec aba2b2fb .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/14 19:16 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/14 14:10 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/14 08:48 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/13 22:53 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/10 22:43 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/10 16:55 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/10 12:14 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/06 01:36 https://github.com/google/kmsan.git master 6099c9da2f7d 500c2339 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
2021/06/05 02:16 https://github.com/google/kmsan.git master 6099c9da2f7d 966a236b .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __ethtool_get_link_ksettings
* Struck through repros no longer work on HEAD.