------------[ cut here ]------------ !chanctx_conf WARNING: net/mac80211/rate.c:53 at rate_control_rate_init+0x64a/0x6e0 net/mac80211/rate.c:53, CPU#0: syz.3.3171/14328 Modules linked in: CPU: 0 UID: 0 PID: 14328 Comm: syz.3.3171 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:rate_control_rate_init+0x64a/0x6e0 net/mac80211/rate.c:53 Code: 82 01 00 00 20 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 82 f7 a6 f6 90 0f 0b 90 eb e1 e8 77 f7 a6 f6 90 <0f> 0b 90 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 90 00 00 00 RSP: 0018:ffffc9000dc8ef28 EFLAGS: 00010283 RAX: ffffffff8b1e9409 RBX: ffff888024d2c000 RCX: 0000000000080000 RDX: ffffc900104f2000 RSI: 0000000000000419 RDI: 000000000000041a RBP: 0000000000000000 R08: ffffffff8b1e8f23 R09: ffffffff8e7602e0 R10: dffffc0000000000 R11: ffffed10049a5831 R12: 1ffff110049a580a R13: ffff88804e7a8e80 R14: 0000000000000001 R15: ffffffff8b1e8f23 FS: 0000000000000000(0000) GS:ffff888125467000(0063) knlGS:00000000f5406b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7247110 CR3: 0000000066cc8000 CR4: 00000000003526f0 Call Trace: rate_control_rate_init_all_links+0x109/0x1a0 net/mac80211/rate.c:86 sta_apply_auth_flags+0x1c2/0x400 net/mac80211/cfg.c:1967 sta_apply_parameters+0xea9/0x1620 net/mac80211/cfg.c:2354 ieee80211_add_station+0x424/0x6a0 net/mac80211/cfg.c:2420 rdev_add_station+0xfc/0x2c0 net/wireless/rdev-ops.h:201 nl80211_new_station+0x1864/0x1d30 net/wireless/nl80211.c:8904 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0xa68/0xad0 net/socket.c:2592 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646 __sys_sendmsg+0x183/0x260 net/socket.c:2678 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0x20d/0x640 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f45f6c Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 58 b8 77 00 00 00 cd 80 0f 0b 90 90 90 90 90 90 b8 ad RSP: 002b:00000000f540650c EFLAGS: 00000206 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080001080 RDX: 0000000000004814 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): 0: 90 nop 1: 85 d2 test %edx,%edx 3: 74 0a je 0xf 5: 89 ce mov %ecx,%esi 7: 81 e6 ff 0f 00 00 and $0xfff,%esi d: 89 32 mov %esi,(%rdx) f: 85 c0 test %eax,%eax 11: 74 05 je 0x18 13: c1 e9 0c shr $0xc,%ecx 16: 89 08 mov %ecx,(%rax) 18: 31 c0 xor %eax,%eax 1a: 5e pop %rsi 1b: 5d pop %rbp 1c: c3 ret 1d: 90 nop 1e: 0f 1f 00 nopl (%rax) 21: 51 push %rcx 22: 52 push %rdx 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 58 pop %rax 2f: b8 77 00 00 00 mov $0x77,%eax 34: cd 80 int $0x80 36: 0f 0b ud2 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: b8 .byte 0xb8 3f: ad lods %ds:(%rsi),%eax