Hello, syzbot found the following issue on: HEAD commit: 9d9a2f29aefd Merge tag 'mm-hotfixes-stable-2024-07-10-13-1.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11988fb9980000 kernel config: https://syzkaller.appspot.com/x/.config?x=b63b35269462a0e0 dashboard link: https://syzkaller.appspot.com/bug?extid=91af2efe46a484b223f0 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c1cad98f467f/disk-9d9a2f29.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e4f4b4b7a5f8/vmlinux-9d9a2f29.xz kernel image: https://storage.googleapis.com/syzbot-assets/ed300468d50d/bzImage-9d9a2f29.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+91af2efe46a484b223f0@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18830 at net/mac80211/driver-ops.c:465 drv_link_info_changed+0x153/0x8b0 net/mac80211/driver-ops.c:460 Modules linked in: CPU: 1 PID: 18830 Comm: syz.2.3286 Not tainted 6.10.0-rc7-syzkaller-00076-g9d9a2f29aefd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:drv_link_info_changed+0x153/0x8b0 net/mac80211/driver-ops.c:460 Code: 83 fd 01 75 1f e8 cd 3b a6 f6 eb 32 e8 c6 3b a6 f6 eb 2b 83 fd 03 74 21 83 fd 05 75 07 e8 b5 3b a6 f6 eb 1a e8 ae 3b a6 f6 90 <0f> 0b 90 e9 c3 01 00 00 e8 a0 3b a6 f6 eb 05 e8 99 3b a6 f6 4d 8d RSP: 0018:ffffc9000e11ece8 EFLAGS: 00010283 RAX: ffffffff8aefec72 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc9000a6de000 RSI: 0000000000000f5a RDI: 0000000000000f5b RBP: 0000000080000000 R08: 0000000000000005 R09: ffffffff8aefec40 R10: 0000000000000004 R11: ffff88801dc30000 R12: 0000000000000000 R13: 0000000000000200 R14: ffff88806d0c0ca0 R15: ffff88801f218e20 FS: 00007f81b55296c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e311ff8 CR3: 000000002d852000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ieee80211_offchannel_stop_vifs+0x25c/0x590 net/mac80211/offchannel.c:122 ieee80211_start_sw_scan net/mac80211/scan.c:559 [inline] __ieee80211_start_scan+0x1a7d/0x1e00 net/mac80211/scan.c:849 rdev_scan net/wireless/rdev-ops.h:466 [inline] cfg80211_conn_scan+0x9de/0xe80 net/wireless/sme.c:133 cfg80211_sme_connect net/wireless/sme.c:630 [inline] cfg80211_connect+0x14a4/0x1cf0 net/wireless/sme.c:1524 nl80211_connect+0x188f/0x1fe0 net/wireless/nl80211.c:12035 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2564 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2668 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f81b4775bd9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f81b5529048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f81b4904038 RCX: 00007f81b4775bd9 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 RBP: 00007f81b47e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f81b4904038 R15: 00007f81b4a2fa78 </TASK> --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
