------------[ cut here ]------------ WARNING: CPU: 0 PID: 12927 at net/mac80211/driver-ops.c:467 drv_link_info_changed+0x153/0x8b0 net/mac80211/driver-ops.c:462 Modules linked in: CPU: 0 UID: 0 PID: 12927 Comm: syz.1.1420 Not tainted 6.14.0-rc4-syzkaller-00282-g1973160c90d7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:drv_link_info_changed+0x153/0x8b0 net/mac80211/driver-ops.c:462 Code: 83 fd 01 75 1f e8 4d 28 52 f6 eb 32 e8 46 28 52 f6 eb 2b 83 fd 03 74 21 83 fd 05 75 07 e8 35 28 52 f6 eb 1a e8 2e 28 52 f6 90 <0f> 0b 90 e9 c3 01 00 00 e8 20 28 52 f6 eb 05 e8 19 28 52 f6 4d 8d RSP: 0018:ffffc9000403f028 EFLAGS: 00010287 RAX: ffffffff8b6f96f2 RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc9000db2d000 RSI: 00000000000006ff RDI: 0000000000000700 RBP: 0000000080000000 R08: 0000000000000005 R09: ffffffff8b6f96c0 R10: 0000000000000004 R11: ffff88807b143c00 R12: 0000000000000000 R13: 0000000000000200 R14: ffff888056284d80 R15: ffff888066df8e40 FS: 0000000000000000(0000) GS:ffff8880b8600000(0063) knlGS:00000000f5056b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000c30898a CR3: 000000007a1ec000 CR4: 00000000003526f0 Call Trace: ieee80211_offchannel_stop_vifs+0x25c/0x590 net/mac80211/offchannel.c:122 ieee80211_start_sw_scan net/mac80211/scan.c:559 [inline] __ieee80211_start_scan+0x1ac7/0x1e80 net/mac80211/scan.c:851 rdev_scan+0x155/0x300 net/wireless/rdev-ops.h:467 nl80211_trigger_scan+0x1d27/0x21f0 net/wireless/nl80211.c:9547 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb1f/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x206/0x480 net/netlink/af_netlink.c:2533 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x8de/0xcb0 net/netlink/af_netlink.c:1882 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:733 ____sys_sendmsg+0x53a/0x860 net/socket.c:2573 ___sys_sendmsg net/socket.c:2627 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2659 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/common.c:387 do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:412 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f34579 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 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f505655c EFLAGS: 00000206 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000340 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 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: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop