------------[ cut here ]------------ !chanctx_conf WARNING: net/mac80211/rate.c:53 at rate_control_rate_init+0x5c5/0x730 net/mac80211/rate.c:53, CPU#0: syz.3.30137/6448 Modules linked in: CPU: 0 UID: 0 PID: 6448 Comm: syz.3.30137 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 99 b3 f6 f6 e8 14 2d 00 f7 e9 20 fe ff ff e8 7a 76 1a f7 90 0f 0b 90 e9 12 fe ff ff e8 6c 76 1a f7 90 <0f> 0b 90 eb b1 e8 61 76 1a f7 e8 dc 33 ff f6 31 ff 89 c3 89 c6 e8 RSP: 0018:ffffc900031d71f0 EFLAGS: 00010287 RAX: 000000000000070f RBX: ffff88807439c000 RCX: ffffc9002f900000 RDX: 0000000000080000 RSI: ffffffff8aebd7f4 RDI: ffff88802b198000 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88805c0ecb20 R13: ffff88805e130e80 R14: ffff88806e1f4000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880973e2000(0063) knlGS:00000000f54b6b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7435e94 CR3: 0000000066f76000 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:1952 sta_apply_parameters+0xcb3/0x1950 net/mac80211/cfg.c:2330 ieee80211_add_station+0x3fe/0x6d0 net/mac80211/cfg.c:2396 rdev_add_station net/wireless/rdev-ops.h:201 [inline] nl80211_new_station+0x1357/0x1c30 net/wireless/nl80211.c:8782 genl_family_rcv_msg_doit+0x214/0x300 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x560/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0xa54/0xc30 net/socket.c:2592 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2646 __sys_sendmsg+0x170/0x220 net/socket.c:2678 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xde/0x660 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: 0023:0xf7ff5579 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 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 RSP: 002b:00000000f54b650c EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000005 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), 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: 2e 8d b4 26 00 00 00 cs lea 0x0(%rsi,%riz,1),%esi 37: 00 38: 8d .byte 0x8d 39: b4 26 mov $0x26,%ah 3b: 00 00 add %al,(%rax)