CVE-2021-47029

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> mt76: connac: fix kernel warning adding monitor interface<br /> <br /> Fix the following kernel warning adding a monitor interface in<br /> mt76_connac_mcu_uni_add_dev routine.<br /> <br /> [ 507.984882] ------------[ cut here ]------------<br /> [ 507.989515] WARNING: CPU: 1 PID: 3017 at mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib]<br /> [ 508.059379] CPU: 1 PID: 3017 Comm: ifconfig Not tainted 5.4.98 #0<br /> [ 508.065461] Hardware name: MT7622_MT7531 RFB (DT)<br /> [ 508.070156] pstate: 80000005 (Nzcv daif -PAN -UAO)<br /> [ 508.074939] pc : mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib]<br /> [ 508.081806] lr : mt7921_eeprom_init+0x1288/0x1cb8 [mt7921e]<br /> [ 508.087367] sp : ffffffc013a33930<br /> [ 508.090671] x29: ffffffc013a33930 x28: ffffff801e628ac0<br /> [ 508.095973] x27: ffffff801c7f1200 x26: ffffff801c7eb008<br /> [ 508.101275] x25: ffffff801c7eaef0 x24: ffffff801d025610<br /> [ 508.106577] x23: ffffff801d022990 x22: ffffff801d024de8<br /> [ 508.111879] x21: ffffff801d0226a0 x20: ffffff801c7eaee8<br /> [ 508.117181] x19: ffffff801d0226a0 x18: 000000005d00b000<br /> [ 508.122482] x17: 00000000ffffffff x16: 0000000000000000<br /> [ 508.127785] x15: 0000000000000080 x14: ffffff801d704000<br /> [ 508.133087] x13: 0000000000000040 x12: 0000000000000002<br /> [ 508.138389] x11: 000000000000000c x10: 0000000000000000<br /> [ 508.143691] x9 : 0000000000000020 x8 : 0000000000000001<br /> [ 508.148992] x7 : 0000000000000000 x6 : 0000000000000000<br /> [ 508.154294] x5 : ffffff801c7eaee8 x4 : 0000000000000006<br /> [ 508.159596] x3 : 0000000000000001 x2 : 0000000000000000<br /> [ 508.164898] x1 : ffffff801c7eac08 x0 : ffffff801d0226a0<br /> [ 508.170200] Call trace:<br /> [ 508.172640] mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib]<br /> [ 508.179159] mt7921_eeprom_init+0x1288/0x1cb8 [mt7921e]<br /> [ 508.184394] drv_add_interface+0x34/0x88 [mac80211]<br /> [ 508.189271] ieee80211_add_virtual_monitor+0xe0/0xb48 [mac80211]<br /> [ 508.195277] ieee80211_do_open+0x86c/0x918 [mac80211]<br /> [ 508.200328] ieee80211_do_open+0x900/0x918 [mac80211]<br /> [ 508.205372] __dev_open+0xcc/0x150<br /> [ 508.208763] __dev_change_flags+0x134/0x198<br /> [ 508.212937] dev_change_flags+0x20/0x60<br /> [ 508.216764] devinet_ioctl+0x3e8/0x748<br /> [ 508.220503] inet_ioctl+0x1e4/0x350<br /> [ 508.223983] sock_do_ioctl+0x48/0x2a0<br /> [ 508.227635] sock_ioctl+0x310/0x4f8<br /> [ 508.231116] do_vfs_ioctl+0xa4/0xac0<br /> [ 508.234681] ksys_ioctl+0x44/0x90<br /> [ 508.237985] __arm64_sys_ioctl+0x1c/0x48<br /> [ 508.241901] el0_svc_common.constprop.1+0x7c/0x100<br /> [ 508.246681] el0_svc_handler+0x18/0x20<br /> [ 508.250421] el0_svc+0x8/0x1c8<br /> [ 508.253465] ---[ end trace c7b90fee13d72c39 ]---<br /> [ 508.261278] ------------[ cut here ]------------