syzbot

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memcpy: detected field-spanning write (size 28) of single field "dst" at include/linux/sockptr.h:49 (size 16)
WARNING: CPU: 0 PID: 5072 at include/linux/sockptr.h:49 copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
WARNING: CPU: 0 PID: 5072 at include/linux/sockptr.h:49 copy_from_sockptr include/linux/sockptr.h:55 [inline]
WARNING: CPU: 0 PID: 5072 at include/linux/sockptr.h:49 packet_setsockopt+0x1e33/0x23c0 net/packet/af_packet.c:3821
Modules linked in:
CPU: 0 PID: 5072 Comm: syz-executor406 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:copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
RIP: 0010:copy_from_sockptr include/linux/sockptr.h:55 [inline]
RIP: 0010:packet_setsockopt+0x1e33/0x23c0 net/packet/af_packet.c:3821
Code: 23 87 f0 f7 c6 05 38 a8 eb 05 01 90 b9 10 00 00 00 48 c7 c2 80 9f 3d 8c be 1c 00 00 00 48 c7 c7 e0 9c 3d 8c e8 9e 3c b3 f7 90 <0f> 0b 90 90 e9 a8 f9 ff ff e8 ef 86 f0 f7 4c 89 fe 4c 89 ef e8 e4
RSP: 0018:ffffc9000341fb70 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 1ffff92000683f74 RCX: ffffffff814fafe9
RDX: ffff888026285a00 RSI: ffffffff814faff6 RDI: 0000000000000001
RBP: ffffc9000341fd10 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 000000000000000d
R13: ffff888075dea000 R14: 0000000000000001 R15: 000000000000001c
FS:  000055558b4a4380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40aeec5d50 CR3: 000000007fdfe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_sock_setsockopt+0x222/0x480 net/socket.c:2311
 __sys_setsockopt+0x1a4/0x270 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0xbd/0x160 net/socket.c:2340
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f40aee9dd59
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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:00007fff69e6cd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f40aee9dd59
RDX: 000000000000000d RSI: 0000000000000107 RDI: 0000000000000006
RBP: 0000000000000000 R08: 000000000000001c R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>