------------[ cut here ]------------ !chanctx_conf WARNING: net/mac80211/rate.c:53 at rate_control_rate_init+0x5c5/0x730 net/mac80211/rate.c:53, CPU#1: syz.4.2636/17035 Modules linked in: CPU: 1 UID: 0 PID: 17035 Comm: syz.4.2636 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:rate_control_rate_init+0x5c5/0x730 net/mac80211/rate.c:53 Code: 48 8d 35 00 00 00 00 e8 29 72 e5 f6 e8 b4 c9 ee f6 e9 20 fe ff ff e8 6a 69 09 f7 90 0f 0b 90 e9 12 fe ff ff e8 5c 69 09 f7 90 <0f> 0b 90 eb b1 e8 51 69 09 f7 e8 0c d2 ed f6 31 ff 89 c3 89 c6 e8 RSP: 0018:ffffc90006af71f0 EFLAGS: 00010287 RAX: 00000000000007ee RBX: ffff88804cd28000 RCX: ffffc90035611000 RDX: 0000000000080000 RSI: ffffffff8afe6e64 RDI: ffff888020c88000 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802abfde40 R13: ffff888065820f20 R14: ffff8880550ac000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88809727d000(0063) knlGS:00000000f548db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000080030000 CR3: 0000000053470000 CR4: 0000000000352ef0 Call Trace: rate_control_rate_init_all_links+0x76/0x1f0 net/mac80211/rate.c:86 sta_apply_auth_flags.isra.0+0x4aa/0x500 net/mac80211/cfg.c:1963 sta_apply_parameters+0x1234/0x2090 net/mac80211/cfg.c:2420 ieee80211_add_station+0x3ff/0x760 net/mac80211/cfg.c:2486 rdev_add_station net/wireless/rdev-ops.h:201 [inline] nl80211_new_station+0x14a9/0x20f0 net/wireless/nl80211.c:9205 genl_family_rcv_msg_doit+0x214/0x300 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x560/0x800 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x159/0x420 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+0x585/0x850 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] ____sys_sendmsg+0x9e1/0xb70 net/socket.c:2698 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2752 __sys_sendmsg+0x170/0x220 net/socket.c:2784 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x950 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf709efcc Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8 RSP: 002b:00000000f548d50c EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000080001080 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): 0: d2 74 05 c1 shlb %cl,-0x3f(%rbp,%rax,1) 4: e8 0c 89 02 8b call 0x8b028915 9: 5d pop %rbp a: fc cld b: 31 c0 xor %eax,%eax d: c9 leave e: c3 ret f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 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: 2e 8d b4 26 00 00 00 cs lea 0x0(%rsi,%riz,1),%esi 36: 00 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 3e: 58 pop %rax 3f: b8 .byte 0xb8