------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 0 PID: 15685 at net/mac80211/rate.c:403 __rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398 Modules linked in: CPU: 0 UID: 0 PID: 15685 Comm: syz.3.2683 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:__rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398 Code: 38 0f b6 04 28 84 c0 0f 85 d7 01 00 00 41 8b 0f 48 c7 c7 a0 91 b0 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 72 8a 92 f6 90 <0f> 0b 90 90 e9 73 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc90000007758 EFLAGS: 00010246 RAX: ebc2992a0bd00500 RBX: 000000000000000c RCX: ffff88801e321e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: ffff88807ebc5668 R13: 0000000000000000 R14: ffff8880573a8e40 R15: ffff8880573ab0d8 FS: 0000000000000000(0000) GS:ffff888125c13000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000332fa000 CR4: 00000000003526f0 Call Trace: rate_control_send_low+0x194/0x7a0 net/mac80211/rate.c:423 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:934 ieee80211_beacon_get_finish+0x39a/0x6c0 net/mac80211/tx.c:5263 __ieee80211_beacon_get+0xd3d/0x1880 net/mac80211/tx.c:-1 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5677 ieee80211_beacon_get include/net/mac80211.h:5663 [inline] mac80211_hwsim_beacon_tx+0x3ce/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2319 __iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xbb/0x1c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2353 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x529/0xc60 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842 handle_softirqs+0x283/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:mte_to_node lib/maple_tree.c:305 [inline] RIP: 0010:mte_set_node_dead lib/maple_tree.c:337 [inline] RIP: 0010:mte_destroy_descend+0x3fa/0x530 lib/maple_tree.c:5305 Code: ef e8 aa e1 ae f6 4c 8b 65 00 41 b5 01 48 8b 44 24 10 42 80 3c 30 00 48 8b 6c 24 40 74 08 48 89 ef e8 8a e1 ae f6 48 8b 6d 00 <48> c7 c0 00 ff ff ff 48 21 c5 48 89 e8 48 c1 e8 03 42 80 3c 30 00 RSP: 0018:ffffc900039876e0 EFLAGS: 00000246 RAX: 1ffff92000730ef1 RBX: ffff888052436600 RCX: ffff88801e321e00 RDX: 0000000000000000 RSI: ffff888052436600 RDI: ffff88807f745a00 RBP: ffff88805243661e R08: ffff88801e321e00 R09: 0000000000000004 R10: 0000000000000003 R11: 0000000000000000 R12: ffff88807f745a0c R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000003 mt_destroy_walk+0xcd/0x7f0 lib/maple_tree.c:5331 mte_destroy_walk lib/maple_tree.c:5389 [inline] __mt_destroy+0x1c2/0x280 lib/maple_tree.c:6882 exit_mmap+0x69e/0xb50 mm/mmap.c:1315 __mmput+0x118/0x430 kernel/fork.c:1129 exit_mm+0x1da/0x2c0 kernel/exit.c:582 do_exit+0x648/0x2300 kernel/exit.c:949 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102 get_signal+0x1286/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f811fb8ec29 Code: Unable to access opcode bytes at 0x7f811fb8ebff. RSP: 002b:00007f8120985038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: fffffffffffffe00 RBX: 00007f811fdd6090 RCX: 00007f811fb8ec29 RDX: 000000000000001c RSI: 0000200000000240 RDI: 0000000000000004 RBP: 00007f811fc11e41 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f811fdd6128 R14: 00007f811fdd6090 R15: 00007fff8a62da08 ---------------- Code disassembly (best guess): 0: ef out %eax,(%dx) 1: e8 aa e1 ae f6 call 0xf6aee1b0 6: 4c 8b 65 00 mov 0x0(%rbp),%r12 a: 41 b5 01 mov $0x1,%r13b d: 48 8b 44 24 10 mov 0x10(%rsp),%rax 12: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) 17: 48 8b 6c 24 40 mov 0x40(%rsp),%rbp 1c: 74 08 je 0x26 1e: 48 89 ef mov %rbp,%rdi 21: e8 8a e1 ae f6 call 0xf6aee1b0 26: 48 8b 6d 00 mov 0x0(%rbp),%rbp * 2a: 48 c7 c0 00 ff ff ff mov $0xffffffffffffff00,%rax <-- trapping instruction 31: 48 21 c5 and %rax,%rbp 34: 48 89 e8 mov %rbp,%rax 37: 48 c1 e8 03 shr $0x3,%rax 3b: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1)