------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x20 WARNING: CPU: 1 PID: 11521 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Modules linked in: CPU: 1 PID: 11521 Comm: syz.2.1013 Not tainted 6.6.97-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Code: 30 42 0f b6 04 28 84 c0 0f 85 e6 01 00 00 41 8b 0e 48 c7 c7 c0 87 be 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 db 6e 69 f7 <0f> 0b e9 78 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fa ff RSP: 0018:ffffc900001f0560 EFLAGS: 00010246 RAX: 3208fe3fc99cf300 RBX: 000000000000000c RCX: ffff88802fe13c00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: ffffc900001f0167 R09: 1ffff9200003e02c R10: dffffc0000000000 R11: fffff5200003e02d R12: 0000000000000020 R13: dffffc0000000000 R14: ffff88801e783358 R15: ffff888078ec1ca8 FS: 00007fa31ce3d6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000cf030 CR3: 000000005de9f000 CR4: 00000000003506e0 Call Trace: rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405 rate_control_get_rate+0x20b/0x5c0 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x38d/0x6b0 net/mac80211/tx.c:5218 ieee80211_beacon_get_ap+0x1429/0x1970 net/mac80211/tx.c:5321 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5417 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5559 ieee80211_beacon_get include/net/mac80211.h:5438 [inline] mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295 __run_hrtimer kernel/time/hrtimer.c:1755 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836 handle_softirqs+0x280/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:scm_destroy_cred include/net/scm.h:80 [inline] RIP: 0010:scm_destroy include/net/scm.h:85 [inline] RIP: 0010:__scm_recv_common include/net/scm.h:179 [inline] RIP: 0010:scm_recv_unix+0x5cb/0x810 include/net/scm.h:213 Code: c0 0f 85 73 01 00 00 41 80 0e 08 4d 89 e6 49 c1 ee 03 43 80 3c 2e 00 74 08 4c 89 e7 e8 9e 32 ba f8 49 8b 3c 24 e8 c5 03 34 f8 <43> 80 3c 2e 00 74 08 4c 89 e7 e8 26 33 ba f8 49 c7 04 24 00 00 00 RSP: 0018:ffffc90004da75e0 EFLAGS: 00000246 RAX: ffffffff81581747 RBX: 1ffff920009b4ec0 RCX: 0000000000080000 RDX: ffffc9000da6e000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc90004da76f0 R08: ffff88805d57f80f R09: 1ffff1100baaff01 R10: dffffc0000000000 R11: ffffed100baaff02 R12: ffffc90004da77a0 R13: dffffc0000000000 R14: 1ffff920009b4ef4 R15: ffff88805d57f808 __unix_dgram_recvmsg+0x9f7/0xd60 net/unix/af_unix.c:2487 sock_recvmsg_nosec+0x82/0xd0 net/socket.c:1046 ____sys_recvmsg+0x49b/0x5b0 net/socket.c:2812 ___sys_recvmsg+0x1b6/0x510 net/socket.c:2856 do_recvmmsg+0x360/0x7d0 net/socket.c:2950 __sys_recvmmsg net/socket.c:3029 [inline] __do_sys_recvmmsg net/socket.c:3052 [inline] __se_sys_recvmmsg net/socket.c:3045 [inline] __x64_sys_recvmmsg+0x191/0x240 net/socket.c:3045 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fa31bf8e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa31ce3d038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fa31c1b6080 RCX: 00007fa31bf8e929 RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007fa31c010b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa31c1b6080 R15: 00007ffecbfa4618 ---------------- Code disassembly (best guess): 0: c0 0f 85 rorb $0x85,(%rdi) 3: 73 01 jae 0x6 5: 00 00 add %al,(%rax) 7: 41 80 0e 08 orb $0x8,(%r14) b: 4d 89 e6 mov %r12,%r14 e: 49 c1 ee 03 shr $0x3,%r14 12: 43 80 3c 2e 00 cmpb $0x0,(%r14,%r13,1) 17: 74 08 je 0x21 19: 4c 89 e7 mov %r12,%rdi 1c: e8 9e 32 ba f8 call 0xf8ba32bf 21: 49 8b 3c 24 mov (%r12),%rdi 25: e8 c5 03 34 f8 call 0xf83403ef * 2a: 43 80 3c 2e 00 cmpb $0x0,(%r14,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 e7 mov %r12,%rdi 34: e8 26 33 ba f8 call 0xf8ba335f 39: 49 rex.WB 3a: c7 .byte 0xc7 3b: 04 24 add $0x24,%al 3d: 00 00 add %al,(%rax)