Hello, syzbot found the following issue on: HEAD commit: fcadab74 Merge tag 'drm-fixes-2020-10-01-1' of git://anong.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16217b5b900000 kernel config: https://syzkaller.appspot.com/x/.config?x=4e672827d2ffab1f dashboard link: https://syzkaller.appspot.com/bug?extid=09d1cd2f71e6dd3bfd2c compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=161112eb900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=124fc533900000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+09d1cd2f71e6dd3bfd2c@xxxxxxxxxxxxxxxxxxxxxxxxx syz-executor423 uses obsolete (PF_INET,SOCK_PACKET) ------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 1 PID: 6893 at net/mac80211/driver-ops.h:172 drv_bss_info_changed net/mac80211/driver-ops.h:172 [inline] WARNING: CPU: 1 PID: 6893 at net/mac80211/driver-ops.h:172 ieee80211_bss_info_change_notify+0x2f4/0x3a0 net/mac80211/main.c:210 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6893 Comm: syz-executor423 Not tainted 5.9.0-rc7-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+0x1d6/0x29e lib/dump_stack.c:118 panic+0x2c0/0x800 kernel/panic.c:231 __warn+0x227/0x250 kernel/panic.c:600 report_bug+0x1b1/0x2e0 lib/bug.c:198 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:234 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:drv_bss_info_changed net/mac80211/driver-ops.h:172 [inline] RIP: 0010:ieee80211_bss_info_change_notify+0x2f4/0x3a0 net/mac80211/main.c:210 Code: d1 f9 49 8b 87 40 06 00 00 49 81 c7 60 06 00 00 48 85 c0 4c 0f 45 f8 48 c7 c7 14 2b 4f 89 4c 89 fe 89 ea 31 c0 e8 3c eb 62 f9 <0f> 0b e9 f3 fe ff ff e8 00 4c 91 f9 0f 0b e9 e7 fe ff ff 44 89 e1 RSP: 0018:ffffc900055e78d0 EFLAGS: 00010246 RAX: 195afe4c76626a00 RBX: 1ffff11012590bc1 RCX: ffff88809195a180 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000004 R08: ffffffff815e2810 R09: ffffed1015d262c0 R10: ffffed1015d262c0 R11: 0000000000000000 R12: ffff888092c85e08 R13: 0000000002000000 R14: dffffc0000000000 R15: ffff888092c84000 ieee80211_set_mcast_rate+0x38/0x40 net/mac80211/cfg.c:2453 rdev_set_mcast_rate net/wireless/rdev-ops.h:1212 [inline] nl80211_set_mcast_rate+0x215/0x2c0 net/wireless/nl80211.c:9911 genl_family_rcv_msg_doit net/netlink/genetlink.c:669 [inline] genl_family_rcv_msg net/netlink/genetlink.c:714 [inline] genl_rcv_msg+0xaf5/0xd70 net/netlink/genetlink.c:731 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2470 genl_rcv+0x24/0x40 net/netlink/genetlink.c:742 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1330 netlink_sendmsg+0xa57/0xd70 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg net/socket.c:671 [inline] ____sys_sendmsg+0x519/0x800 net/socket.c:2353 ___sys_sendmsg net/socket.c:2407 [inline] __sys_sendmsg+0x2b1/0x360 net/socket.c:2440 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x442039 Code: e8 ac 00 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffcd5724568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442039 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000002000000000 R09: 0000002000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
