netlink: 98842 bytes leftover after parsing attributes in process `syz-executor.4'. ------------[ cut here ]------------ precision 33020 too large WARNING: CPU: 0 PID: 20082 at lib/vsprintf.c:2471 set_precision+0x13a/0x170 lib/vsprintf.c:2471 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 20082 Comm: syz-executor.4 Not tainted 5.6.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] fixup_bug arch/x86/kernel/traps.c:170 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:set_precision+0x13a/0x170 lib/vsprintf.c:2471 Code: b6 df 88 5d 07 5b 5d 41 5c 41 5d e9 80 9e a8 f9 e8 7b 9e a8 f9 89 de 48 c7 c7 a0 29 fc 88 c6 05 d6 d0 b9 02 01 e8 8e d2 79 f9 <0f> 0b e9 67 ff ff ff be 08 00 00 00 48 89 ef e8 32 4a e6 f9 e9 14 RSP: 0018:ffffc900174872d8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 00000000000080fc RCX: 0000000000000000 RDX: 0000000000014de2 RSI: ffffffff815cd551 RDI: fffff52002e90e4d RBP: ffffc90017487368 R08: ffff888090e86500 R09: fffffbfff185c13b R10: ffffffff8c2e09d7 R11: fffffbfff185c13a R12: 0000000000000000 R13: ffffc9001748736f R14: 0000000000000018 R15: ffffc90017487400 vsnprintf+0x894/0x14f0 lib/vsprintf.c:2547 kvasprintf+0x9c/0x150 lib/kasprintf.c:22 kasprintf+0xbb/0xf0 lib/kasprintf.c:59 hwsim_new_radio_nl+0x8db/0xf60 drivers/net/wireless/mac80211_hwsim.c:3672 genl_family_rcv_msg_doit net/netlink/genetlink.c:673 [inline] genl_family_rcv_msg net/netlink/genetlink.c:718 [inline] genl_rcv_msg+0x627/0xdf0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2469 genl_rcv+0x24/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6bf/0x7e0 net/socket.c:2362 ___sys_sendmsg+0x100/0x170 net/socket.c:2416 __sys_sendmsg+0xec/0x1b0 net/socket.c:2449 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45c889 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc0ea8e5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc0ea8e66d4 RCX: 000000000045c889 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009f5 R14: 00000000004ccb09 R15: 000000000076bf0c Kernel Offset: disabled Rebooting in 86400 seconds..