BUG: unable to handle kernel NULL pointer dereference in bpf_test

Date	Name	Commit	Repro	Result
2023/10/13	linux-6.1.y (ToT)	082280fe94a0	C	[report] BUG: unable to handle kernel paging request in bpf_dispatcher_xdp
2023/10/13	upstream (ToT)	ce583d5fb9d3	C	Didn't crash

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-6-1	BUG: unable to handle kernel paging request in bpf_test_run				1	498d	498d	0/2	auto-obsoleted due to no activity on 2023/10/23 16:24

android-6-1

BUG: unable to handle kernel paging request in bpf_test_run

498d

0/2

auto-obsoleted due to no activity on 2023/10/23 16:24

Created	Duration	User	Patch	Repo	Result
2023/10/17 09:16	5h22m	fix candidate		upstream	OK (1) job log

Created

Duration

User

Patch

Repo

Result

2023/10/17 09:16

5h22m

fix candidate

upstream

OK (1) job log

BUG: kernel NULL pointer dereference, address: 0000000000000018 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 1f8ef067 P4D 1f8ef067 PUD 1fdf8067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3561 Comm: syz-executor357 Not tainted 6.1.57-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:0x18 Code: Unable to access opcode bytes at 0xffffffffffffffee. RSP: 0018:ffffc90003adf970 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc90003adfa60 RCX: ffff888022849dc0 RDX: ffffffffa00008c8 RSI: ffffc90000bbe048 RDI: ffffc90003adfc80 RBP: ffffc90003adf970 R08: ffffffff88bd5577 R09: ffffed10045093b9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90000bbe030 R14: 0000000000000000 R15: ffffc90003adfc60 FS: 00007f2584e556c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffee CR3: 000000001f74a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run_xdp include/linux/filter.h:775 [inline] bpf_test_run+0x3d4/0x8b0 net/bpf/test_run.c:400 bpf_prog_test_run_xdp+0x7a7/0x1130 net/bpf/test_run.c:1389 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3633 __sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:4986 __do_sys_bpf kernel/bpf/syscall.c:5072 [inline] __se_sys_bpf kernel/bpf/syscall.c:5070 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5070 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2584e94959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2584e55238 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f2584f1e328 RCX: 00007f2584e94959 RDX: 0000000000000048 RSI: 0000000020001480 RDI: 000000000000000a RBP: 00007f2584f1e320 R08: 00007f2584e556c0 R09: 00007f2584e556c0 R10: 00007f2584e556c0 R11: 0000000000000246 R12: 00007f2584eeb074 R13: 0000000000000000 R14: 00007ffe6567eed0 R15: 00007ffe6567efb8 </TASK> Modules linked in: CR2: 0000000000000018 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x18 Code: Unable to access opcode bytes at 0xffffffffffffffee. RSP: 0018:ffffc90003adf970 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc90003adfa60 RCX: ffff888022849dc0 RDX: ffffffffa00008c8 RSI: ffffc90000bbe048 RDI: ffffc90003adfc80 RBP: ffffc90003adf970 R08: ffffffff88bd5577 R09: ffffed10045093b9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90000bbe030 R14: 0000000000000000 R15: ffffc90003adfc60 FS: 00007f2584e556c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffee CR3: 000000001f74a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/10/13 04:35	linux-6.1.y	082280fe94a0	6388bc36	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	BUG: unable to handle kernel NULL pointer dereference in bpf_test_run

Crashes (1):

Assets (help?)