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Date: Mon, 08 Apr 2024 20:53:26 -0700
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Subject: [syzbot] [bpf?] BUG: unable to handle kernel paging request in
 bpf_prog_ADDR (2)
From: syzbot <syzbot+838346b979830606c854@syzkaller.appspotmail.com>
To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, 
	daniel@iogearbox.net, eddyz87@gmail.com, haoluo@google.com, 
	john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, 
	linux-kernel@vger.kernel.org, martin.lau@linux.dev, sdf@google.com, 
	song@kernel.org, syzkaller-bugs@googlegroups.com, yonghong.song@linux.dev
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Hello,

syzbot found the following issue on:

HEAD commit:    fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel..
git tree:       upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=12596223180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4d90a36f0cab495a
dashboard link: https://syzkaller.appspot.com/bug?extid=838346b979830606c854
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=134ecbb5180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=141a8b3d180000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f6c04726a2ae/disk-fe46a7dd.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/09c26ce901ea/vmlinux-fe46a7dd.xz
kernel image: https://storage.googleapis.com/syzbot-assets/134acf7f5322/bzImage-fe46a7dd.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+838346b979830606c854@syzkaller.appspotmail.com

BUG: unable to handle page fault for address: 0000001000000112
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 800000002e7b1067 P4D 800000002e7b1067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 5060 Comm: syz-executor351 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:bpf_prog_a8e24a805b35c61b+0x19/0x1e
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 31 c0 48 8b 7f 18 <8b> 7f 00 c9 c3 cc cc cc cc cc cc 40 03 00 00 cc cc cc cc cc cc cc
RSP: 0018:ffffc90003b07b30 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffc90000ace048 RCX: ffff88802aa89e00
RDX: 0000000000000000 RSI: ffffc90000ace048 RDI: 0000001000000112
RBP: ffffc90003b07b30 R08: ffffffff81bf633c R09: 1ffffffff2595ca0
R10: dffffc0000000000 R11: ffffffffa000095c R12: ffffc90000ace030
R13: ffff88802ac3ae28 R14: dffffc0000000000 R15: ffff88802ac3ae28
FS:  000055558f759380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001000000112 CR3: 0000000077cfa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:657 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 bpf_prog_run_array_cg kernel/bpf/cgroup.c:51 [inline]
 __cgroup_bpf_run_filter_setsockopt+0x6fa/0x1040 kernel/bpf/cgroup.c:1830
 do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293
 __sys_setsockopt+0x1ae/0x250 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fb234535cc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd33db0138 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb234535cc9
RDX: 0000000000000010 RSI: 0000000000000112 RDI: 0000000000000007
RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000055558f759338
R13: 0000000000000010 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
CR2: 0000001000000112
---[ end trace 0000000000000000 ]---
RIP: 0010:bpf_prog_a8e24a805b35c61b+0x19/0x1e
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 31 c0 48 8b 7f 18 <8b> 7f 00 c9 c3 cc cc cc cc cc cc 40 03 00 00 cc cc cc cc cc cc cc
RSP: 0018:ffffc90003b07b30 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffc90000ace048 RCX: ffff88802aa89e00
RDX: 0000000000000000 RSI: ffffc90000ace048 RDI: 0000001000000112
RBP: ffffc90003b07b30 R08: ffffffff81bf633c R09: 1ffffffff2595ca0
R10: dffffc0000000000 R11: ffffffffa000095c R12: ffffc90000ace030
R13: ffff88802ac3ae28 R14: dffffc0000000000 R15: ffff88802ac3ae28
FS:  000055558f759380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001000000112 CR3: 0000000077cfa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	cc                   	int3
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	cc                   	int3
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	cc                   	int3
   f:	cc                   	int3
  10:	cc                   	int3
  11:	f3 0f 1e fa          	endbr64
  15:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1a:	66 90                	xchg   %ax,%ax
  1c:	55                   	push   %rbp
  1d:	48 89 e5             	mov    %rsp,%rbp
  20:	f3 0f 1e fa          	endbr64
  24:	31 c0                	xor    %eax,%eax
  26:	48 8b 7f 18          	mov    0x18(%rdi),%rdi
* 2a:	8b 7f 00             	mov    0x0(%rdi),%edi <-- trapping instruction
  2d:	c9                   	leave
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	cc                   	int3
  34:	cc                   	int3
  35:	40 03 00             	rex add (%rax),%eax
  38:	00 cc                	add    %cl,%ah
  3a:	cc                   	int3
  3b:	cc                   	int3
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3


---
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