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general protection fault in bpf_skb_ancestor_cgroup_id

Status: upstream: reported C repro on 2020/01/11 04:44
Reported-by: syzbot+e48aa434db5743393fef@syzkaller.appspotmail.com
First crash: 1971d, last: 9d04h
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream general protection fault in bpf_skb_ancestor_cgroup_id bpf net C unreliable 232 1339d 1355d 20/28 fixed on 2022/03/08 16:11
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/01/19 22:15 2m retest repro android12-5.4 error
2025/01/19 22:15 2m retest repro android12-5.4 error
2025/01/19 12:36 1m retest repro android12-5.4 error
2025/01/19 12:36 1m retest repro android12-5.4 error
2025/01/19 12:36 2m retest repro android12-5.4 error
2025/01/05 03:35 15m retest repro android12-5.4 error
2025/01/05 03:35 9m retest repro android12-5.4 error
2025/01/05 03:35 4m retest repro android12-5.4 error
2025/01/05 03:35 2m retest repro android12-5.4 error
2024/12/22 14:55 2m retest repro android12-5.4 error

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: 341 Comm: syz-executor575 Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:cgroup_ancestor include/linux/cgroup.h:591 [inline]
RIP: 0010:____bpf_skb_ancestor_cgroup_id net/core/filter.c:4171 [inline]
RIP: 0010:bpf_skb_ancestor_cgroup_id+0x11d/0x280 net/core/filter.c:4160
Code: 02 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 94 42 26 fe 4d 8b 36 49 8d be 1c 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 3b 01 00 00 45 8b be 1c 01 00 00 44 89
RSP: 0018:ffff8881ee5cf978 EFLAGS: 00010203
RAX: 0000000000000023 RBX: fffffffffffffe00 RCX: 0000000000000000
RDX: ffff8881f5e1cec0 RSI: 0000000000000080 RDI: 000000000000011c
RBP: ffff8881ee5cf998 R08: 0000000000000040 R09: ffffed103dd93199
R10: ffffed103dd93199 R11: 1ffff1103dd93196 R12: dffffc0000000000
R13: ffffc9000002e020 R14: 0000000000000000 R15: 0000000000000080
FS:  000055557e6f3380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005583ce8a10c8 CR3: 00000001de669000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace aeb4002d6d289177 ]---
RIP: 0010:cgroup_ancestor include/linux/cgroup.h:591 [inline]
RIP: 0010:____bpf_skb_ancestor_cgroup_id net/core/filter.c:4171 [inline]
RIP: 0010:bpf_skb_ancestor_cgroup_id+0x11d/0x280 net/core/filter.c:4160
Code: 02 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 94 42 26 fe 4d 8b 36 49 8d be 1c 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 3b 01 00 00 45 8b be 1c 01 00 00 44 89
RSP: 0018:ffff8881ee5cf978 EFLAGS: 00010203
RAX: 0000000000000023 RBX: fffffffffffffe00 RCX: 0000000000000000
RDX: ffff8881f5e1cec0 RSI: 0000000000000080 RDI: 000000000000011c
RBP: ffff8881ee5cf998 R08: 0000000000000040 R09: ffffed103dd93199
R10: ffffed103dd93199 R11: 1ffff1103dd93196 R12: dffffc0000000000
R13: ffffc9000002e020 R14: 0000000000000000 R15: 0000000000000080
FS:  000055557e6f3380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005583ce8a10c8 CR3: 00000001de669000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	02 00                	add    (%rax),%al
   2:	00 4c 89 f0          	add    %cl,-0x10(%rcx,%rcx,4)
   6:	48 c1 e8 03          	shr    $0x3,%rax
   a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
   f:	74 08                	je     0x19
  11:	4c 89 f7             	mov    %r14,%rdi
  14:	e8 94 42 26 fe       	call   0xfe2642ad
  19:	4d 8b 36             	mov    (%r14),%r14
  1c:	49 8d be 1c 01 00 00 	lea    0x11c(%r14),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 3b 01 00 00    	jne    0x172
  37:	45 8b be 1c 01 00 00 	mov    0x11c(%r14),%r15d
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Crashes (14526):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/07 03:26 android12-5.4 cd8e74fa0fa3 350f4ffc .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/05 22:49 android12-5.4 cd8e74fa0fa3 6ca47dd8 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/01/25 22:13 android12-5.4 49530c73f82d 9fbd772e .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2024/04/20 00:17 android12-5.4 2d5d8240a7cb af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2024/04/19 23:48 android12-5.4 2d5d8240a7cb af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2024/01/10 23:00 android12-5.4 57a39998c138 04815ef1 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2024/01/10 16:57 android12-5.4 57a39998c138 04815ef1 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2023/09/28 23:01 android12-5.4 a1b9dbe5628a d265efd8 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2023/09/27 11:27 android12-5.4 a1b9dbe5628a 0b6a67ac .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2023/06/19 02:06 android12-5.4 39a9b92e9828 f3921d4d .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2023/06/19 00:53 android12-5.4 39a9b92e9828 f3921d4d .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2023/03/09 01:22 android12-5.4 250ac66f1853 4fc6d98d .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2023/03/09 01:07 android12-5.4 250ac66f1853 4fc6d98d .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2023/03/09 00:54 android12-5.4 250ac66f1853 4fc6d98d .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2023/03/09 00:44 android12-5.4 250ac66f1853 4fc6d98d .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/11/28 09:01 android12-5.4 c80a5b2e7f63 f4470a7b .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/11/28 08:54 android12-5.4 c80a5b2e7f63 f4470a7b .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/11/28 08:34 android12-5.4 c80a5b2e7f63 f4470a7b .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/11/28 08:27 android12-5.4 c80a5b2e7f63 f4470a7b .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/08/20 06:10 android12-5.4 f3c75e616e3f 26a13b38 .config strace log report syz C ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/08/20 06:10 android12-5.4 f3c75e616e3f 26a13b38 .config strace log report syz C ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/08/20 05:41 android12-5.4 f3c75e616e3f 26a13b38 .config strace log report syz C ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/08/20 05:39 android12-5.4 f3c75e616e3f 26a13b38 .config strace log report syz C ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/05/11 21:49 android12-5.4 b2ca0128d238 beb0b407 .config strace log report syz C ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2022/05/11 21:20 android12-5.4 b2ca0128d238 beb0b407 .config strace log report syz C ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2021/04/20 17:15 android12-5.4 d719af31dff4 c0ced557 .config console log report syz C ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2021/04/20 16:41 android12-5.4 d719af31dff4 c0ced557 .config console log report syz C ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2020/12/06 09:33 android12-5.4 616dba5e94cf f12ba0c5 .config console log report syz C ci2-android-5-4-kasan
2020/08/14 22:29 https://android.googlesource.com/kernel/common android-5.4 c3221b7ac740 5ce13532 .config console log report syz C ci2-android-5-4-kasan
2020/03/05 22:06 https://android.googlesource.com/kernel/common android-5.4 d0dbb0adbf9a b655d91b .config console log report syz C ci2-android-5-4-kasan
2020/01/11 05:03 https://android.googlesource.com/kernel/common android-5.4 f5f770e495ba 4c04afaa .config console log report syz C ci2-android-5-4-kasan
2025/05/26 14:19 android12-5.4 cd8e74fa0fa3 2d4582d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/26 11:35 android12-5.4 cd8e74fa0fa3 2d4582d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/25 21:42 android12-5.4 cd8e74fa0fa3 2d4582d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/25 21:09 android12-5.4 cd8e74fa0fa3 2d4582d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/25 09:26 android12-5.4 cd8e74fa0fa3 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/25 06:54 android12-5.4 cd8e74fa0fa3 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/25 05:25 android12-5.4 cd8e74fa0fa3 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/24 23:25 android12-5.4 cd8e74fa0fa3 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/24 13:45 android12-5.4 cd8e74fa0fa3 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/24 09:30 android12-5.4 cd8e74fa0fa3 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/24 03:17 android12-5.4 cd8e74fa0fa3 f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/24 01:33 android12-5.4 cd8e74fa0fa3 f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/23 18:53 android12-5.4 cd8e74fa0fa3 f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/23 17:22 android12-5.4 cd8e74fa0fa3 f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/23 12:18 android12-5.4 cd8e74fa0fa3 fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/23 11:18 android12-5.4 cd8e74fa0fa3 fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/23 06:25 android12-5.4 cd8e74fa0fa3 fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/22 23:08 android12-5.4 cd8e74fa0fa3 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/22 03:47 android12-5.4 cd8e74fa0fa3 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/21 23:39 android12-5.4 cd8e74fa0fa3 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/21 18:54 android12-5.4 cd8e74fa0fa3 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/21 15:51 android12-5.4 cd8e74fa0fa3 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/21 15:51 android12-5.4 cd8e74fa0fa3 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/21 12:29 android12-5.4 cd8e74fa0fa3 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/21 02:11 android12-5.4 cd8e74fa0fa3 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/21 00:56 android12-5.4 cd8e74fa0fa3 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/20 23:55 android12-5.4 cd8e74fa0fa3 b47f9e02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/20 02:48 android12-5.4 cd8e74fa0fa3 b84f0537 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/20 01:43 android12-5.4 cd8e74fa0fa3 b84f0537 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/19 18:10 android12-5.4 cd8e74fa0fa3 b84f0537 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/19 10:38 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/19 05:20 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/19 04:50 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/19 03:36 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/19 01:18 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/18 11:36 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/18 09:25 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/18 05:55 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/18 02:51 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/17 00:21 android12-5.4 cd8e74fa0fa3 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/16 19:25 android12-5.4 cd8e74fa0fa3 cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/16 18:42 android12-5.4 cd8e74fa0fa3 cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/16 07:28 android12-5.4 cd8e74fa0fa3 cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/15 18:07 android12-5.4 cd8e74fa0fa3 cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2025/05/15 16:27 android12-5.4 cd8e74fa0fa3 cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-4-perf-kasan general protection fault in bpf_skb_ancestor_cgroup_id
2021/01/16 06:04 android12-5.4 dc04463953b2 65a7a854 .config console log report info ci2-android-5-4-kasan
2020/01/11 04:43 https://android.googlesource.com/kernel/common android-5.4 f5f770e495ba 4c04afaa .config console log report ci2-android-5-4-kasan
* Struck through repros no longer work on HEAD.