================================================================================ UBSAN: Undefined behaviour in net/ethtool/strset.c:164:28 shift exponent 3476603555 is too large for 32-bit type 'unsigned int' CPU: 0 PID: 11016 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x96/0xe0 lib/dump_stack.c:118 ubsan_epilogue+0x5/0x21 lib/ubsan.c:154 __ubsan_handle_shift_out_of_bounds.cold.13+0x14/0x98 lib/ubsan.c:390 strset_parse_request.cold.7+0x2c/0x35 net/ethtool/strset.c:164 ethnl_default_parse+0x1c4/0x2b0 net/ethtool/netlink.c:242 ethnl_default_start+0x203/0x520 net/ethtool/netlink.c:463 __netlink_dump_start+0x4d0/0x8e0 net/netlink/af_netlink.c:2342 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:629 [inline] genl_family_rcv_msg net/netlink/genetlink.c:714 [inline] genl_rcv_msg+0x90e/0xf10 net/netlink/genetlink.c:734 netlink_rcv_skb+0x119/0x340 net/netlink/af_netlink.c:2477 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:745 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x421/0x610 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x761/0xc80 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:643 [inline] sock_sendmsg+0xac/0xf0 net/socket.c:663 ____sys_sendmsg+0x54e/0x760 net/socket.c:2342 ___sys_sendmsg+0xe4/0x160 net/socket.c:2396 __sys_sendmsg+0xce/0x170 net/socket.c:2429 do_syscall_64+0x8e/0x4f0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e0f9 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:00007fd212a10c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e0f9 RDX: 0000000000000000 RSI: 0000000020000fc0 RDI: 0000000000000003 RBP: 000000000119c068 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034 R13: 00007ffc6924ea7f R14: 00007fd212a119c0 R15: 000000000119c034 ================================================================================