------------[ cut here ]------------ WARNING: CPU: 0 PID: 5956 at lib/nlattr.c:123 nla_get_range_unsigned+0xc8/0x4b0 lib/nlattr.c:122 Modules linked in: CPU: 0 UID: 0 PID: 5956 Comm: syz.2.3 Not tainted 6.15.0-rc5-syzkaller-01021-g0b28182c73a3 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:nla_get_range_unsigned+0xc8/0x4b0 lib/nlattr.c:122 Code: 0f 85 71 03 00 00 41 0f b7 2c 24 31 ff 89 ee e8 8e 8a d3 fc 66 85 ed 0f 88 df 02 00 00 e8 e0 86 d3 fc eb 09 e8 d9 86 d3 fc 90 <0f> 0b 90 4c 89 ed 48 c1 ed 03 42 80 7c 35 00 00 74 08 4c 89 ef e8 RSP: 0018:ffffc900044ff3d0 EFLAGS: 00010283 RAX: ffffffff84ec4c4f RBX: ffffffff8c80a430 RCX: 0000000000080000 RDX: ffffc9000c8c6000 RSI: 0000000000006f67 RDI: 0000000000006f68 RBP: 0000000000008a3e R08: ffff88802c2dda00 R09: 0000000000000004 R10: 0000000000000004 R11: 0000000000000002 R12: ffffffff8c80a43a R13: ffffc900044ff5b0 R14: dffffc0000000000 R15: 1ffffffff1901486 FS: 00007efd156a56c0(0000) GS:ffff8881260c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7400e41f98 CR3: 000000002e4a2000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __netlink_policy_dump_write_attr+0x565/0xdc0 net/netlink/policy.c:316 netlink_policy_dump_write+0x1e1/0x6e0 net/netlink/policy.c:447 ctrl_dumppolicy+0x6f4/0xb90 net/netlink/genetlink.c:1743 genl_dumpit+0x108/0x1b0 net/netlink/genetlink.c:1027 netlink_dump+0x64e/0xe70 net/netlink/af_netlink.c:2309 netlink_recvmsg+0x67b/0xe00 net/netlink/af_netlink.c:1965 sock_recvmsg_nosec net/socket.c:1017 [inline] sock_recvmsg+0x229/0x270 net/socket.c:1039 __sys_recvfrom+0x1f6/0x340 net/socket.c:2230 __do_sys_recvfrom net/socket.c:2245 [inline] __se_sys_recvfrom net/socket.c:2241 [inline] __x64_sys_recvfrom+0xde/0x100 net/socket.c:2241 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efd14790734 Code: 89 4c 24 1c e8 ed 5f 02 00 44 8b 54 24 1c 8b 3c 24 45 31 c9 89 c5 48 8b 54 24 10 48 8b 74 24 08 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 04 24 e8 39 60 02 00 48 8b 04 RSP: 002b:00007efd156a3f30 EFLAGS: 00000246 ORIG_RAX: 000000000000002d RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007efd14790734 RDX: 0000000000001000 RSI: 00007efd156a4010 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000440 R13: 00007efd156a3fc0 R14: 000000000000000c R15: 0000000000000000