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Fri, 13 Oct 2023 18:46:25 -0700 (PDT) Date: Fri, 13 Oct 2023 18:46:25 -0700 In-Reply-To: <20231014013037.1498-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004c29680607a357c0@google.com> Subject: Re: [syzbot] [net?] [wireless?] WARNING in ieee80211_bss_info_change_notify (2) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in ieee80211_ibss_disconnect ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 0 PID: 5474 at net/mac80211/driver-ops.h:1139 drv_leave_ibss net/mac80211/driver-ops.h:1139 [inline] WARNING: CPU: 0 PID: 5474 at net/mac80211/driver-ops.h:1139 ieee80211_ibss_disconnect+0x5d1/0x9d0 net/mac80211/ibss.c:728 Modules linked in: CPU: 0 PID: 5474 Comm: syz-executor.0 Not tainted 6.6.0-rc5-syzkaller-00234-g8cb1f10d8c4b-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:drv_leave_ibss net/mac80211/driver-ops.h:1139 [inline] RIP: 0010:ieee80211_ibss_disconnect+0x5d1/0x9d0 net/mac80211/ibss.c:728 Code: a5 10 09 00 00 4d 85 e4 0f 84 79 02 00 00 e8 a6 b6 d0 f7 e8 a1 b6 d0 f7 44 89 f2 4c 89 e6 48 c7 c7 20 c1 c4 8b e8 cf df 96 f7 <0f> 0b e9 c0 fe ff ff e8 83 b6 d0 f7 48 8b 3c 24 48 89 ee e8 07 f6 RSP: 0018:ffffc90003517348 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8880176a95a0 RCX: 0000000000000000 RDX: ffff888076e92100 RSI: ffffffff814cf016 RDI: 0000000000000001 RBP: ffff8880176a8c80 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880176a8000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f2ce0e6d6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556133612680 CR3: 000000006528e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_ibss_leave+0x16/0x160 net/mac80211/ibss.c:1872 rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline] __cfg80211_leave_ibss+0x1a2/0x410 net/wireless/ibss.c:210 cfg80211_leave_ibss+0x59/0x80 net/wireless/ibss.c:228 cfg80211_change_iface+0x457/0xdf0 net/wireless/util.c:1137 nl80211_set_interface+0x708/0x9b0 net/wireless/nl80211.c:4222 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:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2ce007cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f2ce0e6d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2ce019c050 RCX: 00007f2ce007cae9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005 RBP: 00007f2ce00c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f2ce019c050 R15: 00007ffdee155718 Tested on: commit: 8cb1f10d Merge tag 'scsi-fixes' of git://git.kernel.or.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master console output: https://syzkaller.appspot.com/x/log.txt?x=156a5875680000 kernel config: https://syzkaller.appspot.com/x/.config?x=5d83dadac33c08b7 dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=10c2aec9680000