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bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid

Status: auto-obsoleted due to no activity on 2023/09/13 21:28
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+b4667b39c6f42e957680@syzkaller.appspotmail.com
First crash: 579d, last: 573d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [kernel?] bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid 0 (1) 2023/07/03 09:03

Sample crash report:
================================================================================
UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15
index 1 is out of range for type 'upid [1]'
CPU: 1 PID: 5006 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04326-gcc7eab25b1cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_out_of_bounds+0xd5/0x140 lib/ubsan.c:348
 alloc_pid+0xbe5/0xdd0 kernel/pid.c:244
 copy_process+0x4589/0x7620 kernel/fork.c:2519
 kernel_clone+0xeb/0x890 kernel/fork.c:2911
 __do_sys_clone+0xba/0x100 kernel/fork.c:3054
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb8a9c89fab
Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00
RSP: 002b:00007ffc05d82350 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffc05d829a8 RCX: 00007fb8a9c89fab
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555707400
R10: 00005555557076d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc05d82440 R14: 00007fb8a9dac9d8 R15: 000000000000000c
 </TASK>
================================================================================

Crashes (42):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/05 21:26 bpf cc7eab25b1cf ba5dba36 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/05 21:25 bpf cc7eab25b1cf ba5dba36 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/05 17:46 bpf f7306acec9aa ba5dba36 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/05 17:46 bpf f7306acec9aa ba5dba36 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/05 17:46 bpf f7306acec9aa ba5dba36 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/05 04:21 bpf f7306acec9aa 80298b6f .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/05 04:21 bpf f7306acec9aa 80298b6f .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/05 04:21 bpf f7306acec9aa 80298b6f .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/04 15:53 bpf f7306acec9aa 17a98177 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/04 15:52 bpf f7306acec9aa 17a98177 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/04 15:52 bpf f7306acec9aa 17a98177 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/04 08:59 bpf f7306acec9aa 6e553898 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/04 08:59 bpf f7306acec9aa 6e553898 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/04 08:59 bpf f7306acec9aa 6e553898 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/03 18:38 bpf 3de4d22cc9ac 6e553898 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/03 18:37 bpf 3de4d22cc9ac 6e553898 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/03 18:37 bpf 3de4d22cc9ac 6e553898 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/03 15:34 bpf 08fc75735fda 6e553898 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/03 15:34 bpf 08fc75735fda 6e553898 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/03 15:34 bpf 08fc75735fda 6e553898 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/01 19:52 bpf 08fc75735fda bfc47836 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/01 19:52 bpf 08fc75735fda bfc47836 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/01 19:52 bpf 08fc75735fda bfc47836 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/01 04:27 bpf 08fc75735fda af3053d2 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/01 04:27 bpf 08fc75735fda af3053d2 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/07/01 04:27 bpf 08fc75735fda af3053d2 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/30 17:23 bpf 08fc75735fda 01298212 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/30 17:23 bpf 08fc75735fda 01298212 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/30 17:23 bpf 08fc75735fda 01298212 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/30 14:44 bpf 3a8a670eeeaa 01298212 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/30 14:44 bpf 3a8a670eeeaa 01298212 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/30 14:43 bpf 3a8a670eeeaa 01298212 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/30 11:32 bpf 3a8a670eeeaa 01298212 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/30 11:32 bpf 3a8a670eeeaa 01298212 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/30 11:31 bpf 3a8a670eeeaa 01298212 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/29 21:16 bpf 3a8a670eeeaa 7b33cf8f .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/29 21:16 bpf 3a8a670eeeaa 7b33cf8f .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/29 21:16 bpf 3a8a670eeeaa 7b33cf8f .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/29 08:59 bpf 3a8a670eeeaa ca69c785 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/29 08:59 bpf 3a8a670eeeaa ca69c785 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
2023/06/29 08:59 bpf 3a8a670eeeaa ca69c785 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce bpf test error: UBSAN: array-index-out-of-bounds in alloc_pid
* Struck through repros no longer work on HEAD.