================================================================================ UBSAN: shift-out-of-bounds in net/nfc/nci/core.c:912:45 shift exponent 268435489 is too large for 32-bit type 'int' CPU: 1 PID: 5067 Comm: syz-executor243 Not tainted 6.6.0-rc4-next-20231003-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_shift_out_of_bounds+0x27a/0x600 lib/ubsan.c:387 nci_activate_target.cold+0x1a/0x1f net/nfc/nci/core.c:912 nfc_activate_target+0x1f5/0x4c0 net/nfc/core.c:420 nfc_genl_activate_target+0x1f1/0x280 net/nfc/netlink.c:900 genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:971 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xd5/0x180 net/socket.c:745 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2558 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2612 __sys_sendmsg+0x117/0x1e0 net/socket.c:2641 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb5ac8e7789 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 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:00007fb5ac8a7238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb5ac971368 RCX: 00007fb5ac8e7789 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000004 RBP: 00007fb5ac971360 R08: 00007fb5ac8a76c0 R09: 00007fb5ac8a76c0 R10: 00007fb5ac8a76c0 R11: 0000000000000246 R12: 00007fb5ac93e064 R13: 0000000000000000 R14: 00007fff7171ee50 R15: 00007fff7171ef38 ================================================================================