syzbot

BUG: unable to handle page fault for address: ffffffff240fe3a9
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 6c12067 P4D 6c12067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4179 Comm: syz-executor351 Not tainted 6.1.43-syzkaller-00262-g7bec8a818066 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:bpf_dispatcher_xdp+0x863/0x1000
Code: eb d7 ff ff ff e2 90 48 81 fa 8c 1c 00 a0 7f 17 48 81 fa 8c 1c 00 a0 0f 84 f6 d8 ff ff ff e2 0f 1f 84 00 00 00 00 00 48 81 fa <20> 1d 00 a0 0f 84 73 d9 ff ff ff e2 ff e2 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc90000d078b0 EFLAGS: 00010046
RAX: ffffffff84117f17 RBX: ffffc90000d07c00 RCX: ffff888120220000
RDX: ffffffffa0001c8c RSI: ffffc900007e1050 RDI: ffffc90000d07c00
RBP: ffffc90000d078d0 R08: ffffffff842f95ed R09: ffffed1024044001
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc900007e1030 R14: ffffffffa0001c8c R15: ffffc900007e1050
FS:  00007f7e956616c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff240fe3a9 CR3: 0000000128ebc000 CR4: 00000000003506a0
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+0x470/0xa40 net/bpf/test_run.c:400
 bpf_prog_test_run_xdp+0x7a7/0x1130 net/bpf/test_run.c:1389
 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3635
 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:4990
 __do_sys_bpf kernel/bpf/syscall.c:5076 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5074 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5074
 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: 0033:0x7f7e956a5869
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1c 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:00007f7e95661238 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7e95730408 RCX: 00007f7e956a5869
RDX: 0000000000000048 RSI: 0000000020001480 RDI: 000000000000000a
RBP: 00007f7e95730400 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffb0
R13: 000000000000000b R14: 00007ffc02016ad0 R15: 00007ffc02016bb8
 </TASK>
Modules linked in:
CR2: ffffffff240fe3a9
---[ end trace 0000000000000000 ]---
RIP: 0010:bpf_dispatcher_xdp+0x863/0x1000
Code: eb d7 ff ff ff e2 90 48 81 fa 8c 1c 00 a0 7f 17 48 81 fa 8c 1c 00 a0 0f 84 f6 d8 ff ff ff e2 0f 1f 84 00 00 00 00 00 48 81 fa <20> 1d 00 a0 0f 84 73 d9 ff ff ff e2 ff e2 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc90000d078b0 EFLAGS: 00010046
RAX: ffffffff84117f17 RBX: ffffc90000d07c00 RCX: ffff888120220000
RDX: ffffffffa0001c8c RSI: ffffc900007e1050 RDI: ffffc90000d07c00
RBP: ffffc90000d078d0 R08: ffffffff842f95ed R09: ffffed1024044001
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc900007e1030 R14: ffffffffa0001c8c R15: ffffc900007e1050
FS:  00007f7e956616c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff240fe3a9 CR3: 0000000128ebc000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400