------------[ cut here ]------------ WARNING: CPU: 0 PID: 5711 at net/mac80211/driver-ops.c:460 drv_link_info_changed+0x117/0x870 net/mac80211/driver-ops.c:460 Modules linked in: CPU: 0 UID: 0 PID: 5711 Comm: syz.3.90 Not tainted 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:drv_link_info_changed+0x117/0x870 net/mac80211/driver-ops.c:460 Code: 9f 51 10 f7 44 89 ff 48 c7 c6 60 37 9d 8c e8 30 54 10 f7 41 83 ff 0b 77 0b b8 82 08 00 00 4c 0f a3 f8 72 0e e8 7a 51 10 f7 90 <0f> 0b 90 e9 61 03 00 00 e8 6c 51 10 f7 41 8d 47 f6 31 ff 83 e0 fd RSP: 0018:ffffc90022caeec8 EFLAGS: 00010283 RAX: 0000000000001001 RBX: ffff888060f40cc0 RCX: ffffc9000ceb1000 RDX: 0000000000040000 RSI: ffffffff8a7c6796 RDI: 0000000000000005 RBP: ffff888060910e40 R08: 0000000000000005 R09: 000000000000000b R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000200 R13: 0000000000000200 R14: ffff888060f42958 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff88802b400000(0063) knlGS:00000000f56d4b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f73f0070 CR3: 0000000063bc8000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_link_info_change_notify+0x2c1/0x350 net/mac80211/main.c:414 ieee80211_offchannel_stop_vifs+0x328/0x5b0 net/mac80211/offchannel.c:122 ieee80211_start_sw_scan net/mac80211/scan.c:559 [inline] __ieee80211_start_scan+0x1089/0x1ce0 net/mac80211/scan.c:851 ieee80211_scan+0x1d2/0x330 net/mac80211/cfg.c:2889 rdev_scan net/wireless/rdev-ops.h:466 [inline] cfg80211_scan+0x4be/0x730 net/wireless/scan.c:1062 cfg80211_conn_scan+0x5cc/0xd00 net/wireless/sme.c:134 cfg80211_sme_connect net/wireless/sme.c:631 [inline] cfg80211_connect+0x17f4/0x1f60 net/wireless/sme.c:1526 nl80211_connect+0x1661/0x21f0 net/wireless/nl80211.c:12221 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2551 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg net/socket.c:744 [inline] ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2607 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2661 __sys_sendmsg+0x117/0x1f0 net/socket.c:2690 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f90579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f56d456c EFLAGS: 00000296 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00000000200001c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi