------------[ cut here ]------------ !chanctx_conf WARNING: net/mac80211/rate.c:51 at rate_control_rate_init+0x5a6/0x630 net/mac80211/rate.c:51, CPU#1: syz.4.2574/11856 Modules linked in: CPU: 1 UID: 0 PID: 11856 Comm: syz.4.2574 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:rate_control_rate_init+0x5a6/0x630 net/mac80211/rate.c:51 Code: 82 01 00 00 20 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4c 4b 91 00 cc e8 66 c7 85 f6 90 0f 0b 90 eb e1 e8 5b c7 85 f6 90 <0f> 0b 90 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 84 00 00 00 RSP: 0018:ffffc90003416fc0 EFLAGS: 00010283 RAX: ffffffff8b40aae5 RBX: ffff888054044050 RCX: 0000000000080000 RDX: ffffc9000d7d2000 RSI: 0000000000000436 RDI: 0000000000000437 RBP: dffffc0000000000 R08: ffffffff8b40a657 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8eb59c60 R12: ffffffff8b40a657 R13: ffff888069930f40 R14: 0000000000000001 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125058000(0063) knlGS:00000000f53e6b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000080001080 CR3: 000000007eae0000 CR4: 00000000003526f0 Call Trace: rate_control_rate_init_all_links+0xf4/0x190 net/mac80211/rate.c:84 sta_apply_auth_flags+0x1bc/0x430 net/mac80211/cfg.c:2152 sta_apply_parameters+0x126d/0x1b10 net/mac80211/cfg.c:2618 ieee80211_add_station+0x3de/0x700 net/mac80211/cfg.c:2684 rdev_add_station+0xfc/0x290 net/wireless/rdev-ops.h:201 nl80211_new_station+0x1b4e/0x1fd0 net/wireless/nl80211.c:9505 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775 __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2684 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738 __sys_sendmsg+0x177/0x240 net/socket.c:2770 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0x23e/0x6f0 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: 0023:0xf7f240ec 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 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8 RSP: 002b:00000000f53e650c EFLAGS: 00000206 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000080001080 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): 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: 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 3e: 58 pop %rax 3f: b8 .byte 0xb8