------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x20 WARNING: CPU: 1 PID: 4341 at net/mac80211/rate.c:376 __rate_control_send_low+0x630/0x880 net/mac80211/rate.c:371 Modules linked in: CPU: 1 PID: 4341 Comm: udevd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__rate_control_send_low+0x630/0x880 net/mac80211/rate.c:371 Code: 0f b6 04 28 84 c0 0f 85 e9 01 00 00 48 8b 44 24 08 8b 08 48 c7 c7 80 0c 19 8b 4c 89 f6 44 8b 44 24 14 45 89 f9 e8 50 4a 68 00 <0f> 0b e9 72 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 08 fa ff RSP: 0018:ffffc90000dd0768 EFLAGS: 00010246 RAX: 5739958197739a00 RBX: 000000000000000c RCX: ffff88802962d940 RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000000084 R08: dffffc0000000000 R09: fffff520001ba051 R10: fffff520001ba051 R11: 1ffff920001ba050 R12: ffff888079ed9168 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000020 FS: 00007fd9b86c6880(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe7e3582198 CR3: 0000000074821000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x194/0x790 net/mac80211/rate.c:396 rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:908 __ieee80211_beacon_get+0x1512/0x1f80 net/mac80211/tx.c:5175 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202 ieee80211_beacon_get include/net/mac80211.h:4983 [inline] mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829 mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766 handle_softirqs+0x328/0x820 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] invoke_softirq kernel/softirq.c:450 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:find_stack lib/stackdepot.c:209 [inline] RIP: 0010:stack_depot_save+0x16a/0x440 lib/stackdepot.c:280 Code: 74 56 41 12 41 89 ee 41 81 e6 ff ff 0f 00 4f 8b 7c f5 00 4d 85 ff 74 58 89 d9 eb 08 4d 8b 3f 4d 85 ff 74 4c 41 39 6f 08 75 f2 <41> 39 5f 0c 75 ec 31 f6 4c 8b 04 f7 4d 3b 44 f7 18 75 df 48 ff c6 RSP: 0018:ffffc900012ef3e0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 000000000000000a RCX: 000000000000000a RDX: 0000000000000c40 RSI: 00000000cefe8508 RDI: ffffc900012ef440 RBP: 000000003a21c1e4 R08: 000000001d83ae43 R09: 0000000000000002 R10: 0000000088b4689d R11: 000000002af73310 R12: ffff88805c767000 R13: ffff88823b000000 R14: 000000000001c1e4 R15: ffff88807ea56560 kasan_save_stack mm/kasan/common.c:40 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] __kasan_kmalloc+0xcc/0xf0 mm/kasan/common.c:522 kmalloc include/linux/slab.h:612 [inline] tomoyo_realpath_from_path+0x118/0x610 security/tomoyo/realpath.c:254 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x1cd/0x510 security/tomoyo/file.c:822 security_path_truncate+0xcf/0x120 security/security.c:1214 handle_truncate fs/namei.c:3271 [inline] do_open fs/namei.c:3620 [inline] path_openat+0x282b/0x2f30 fs/namei.c:3750 do_filp_open+0x1b3/0x3e0 fs/namei.c:3777 do_sys_openat2+0x142/0x4a0 fs/open.c:1255 do_sys_open fs/open.c:1271 [inline] __do_sys_openat fs/open.c:1287 [inline] __se_sys_openat fs/open.c:1282 [inline] __x64_sys_openat+0x135/0x160 fs/open.c:1282 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd9b87b4407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffe24571960 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd9b86c6880 RCX: 00007fd9b87b4407 RDX: 00000000000a0241 RSI: 00007ffe24572620 RDI: ffffffffffffff9c RBP: 000055abc5da3ca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000124 R11: 0000000000000202 R12: 000055abc5cf4f10 R13: 00007ffe24572620 R14: 00007ffe24572220 R15: 00007ffe24571e20 ---------------- Code disassembly (best guess): 0: 74 56 je 0x58 2: 41 12 41 89 adc -0x77(%r9),%al 6: ee out %al,(%dx) 7: 41 81 e6 ff ff 0f 00 and $0xfffff,%r14d e: 4f 8b 7c f5 00 mov 0x0(%r13,%r14,8),%r15 13: 4d 85 ff test %r15,%r15 16: 74 58 je 0x70 18: 89 d9 mov %ebx,%ecx 1a: eb 08 jmp 0x24 1c: 4d 8b 3f mov (%r15),%r15 1f: 4d 85 ff test %r15,%r15 22: 74 4c je 0x70 24: 41 39 6f 08 cmp %ebp,0x8(%r15) 28: 75 f2 jne 0x1c * 2a: 41 39 5f 0c cmp %ebx,0xc(%r15) <-- trapping instruction 2e: 75 ec jne 0x1c 30: 31 f6 xor %esi,%esi 32: 4c 8b 04 f7 mov (%rdi,%rsi,8),%r8 36: 4d 3b 44 f7 18 cmp 0x18(%r15,%rsi,8),%r8 3b: 75 df jne 0x1c 3d: 48 ff c6 inc %rsi