================================================================================ UBSAN: shift-out-of-bounds in net/ethtool/strset.c:191:28 shift exponent 4194305 is too large for 32-bit type 'unsigned int' CPU: 0 PID: 19743 Comm: syz-executor.0 Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:120 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:395 strset_parse_request.cold+0x3b/0x40 net/ethtool/strset.c:191 ethnl_default_parse+0xda/0x130 net/ethtool/netlink.c:282 ethnl_default_start+0x243/0x5b0 net/ethtool/netlink.c:501 genl_start+0x3cc/0x670 net/netlink/genetlink.c:604 __netlink_dump_start+0x5a7/0x920 net/netlink/af_netlink.c:2363 genl_family_rcv_msg_dumpit+0x1c9/0x310 net/netlink/genetlink.c:697 genl_family_rcv_msg net/netlink/genetlink.c:780 [inline] genl_rcv_msg+0x43c/0x590 net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x907/0xe10 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xd3/0x130 net/socket.c:672 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2336 ___sys_sendmsg+0xf3/0x170 net/socket.c:2390 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2423 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e299 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f322cc96c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e299 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffcdea46e9f R14: 00007f322cc979c0 R15: 000000000119bf8c ================================================================================