------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x20 WARNING: CPU: 0 PID: 3507 at net/mac80211/rate.c:376 __rate_control_send_low+0x653/0x890 net/mac80211/rate.c:371 Modules linked in: CPU: 0 PID: 3507 Comm: syz-executor Not tainted 5.15.163-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__rate_control_send_low+0x653/0x890 net/mac80211/rate.c:371 Code: 84 c0 48 8b 14 24 0f 85 d9 01 00 00 8b 0a 48 c7 c7 00 22 94 8b 4c 89 f6 44 89 fa 44 8b 44 24 0c 44 8b 4c 24 08 e8 cd 79 9d f7 <0f> 0b e9 75 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e3 f9 ff RSP: 0018:ffffc900000076e8 EFLAGS: 00010246 RAX: 58fb588afb495a00 RBX: 000000000000000c RCX: ffff88801dcf9dc0 RDX: 0000000000000103 RSI: 0000000000000103 RDI: 0000000000000000 RBP: ffff888060e52668 R08: ffffffff8166868c R09: fffff52000000e1d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 000000000000000c R14: 0000000000000000 R15: 00000000ffffffff FS: 0000555555c62500(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc634edd28 CR3: 0000000065921000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x1a8/0x770 net/mac80211/rate.c:396 rate_control_get_rate+0x20a/0x5d0 net/mac80211/rate.c:908 __ieee80211_beacon_get+0x162b/0x2080 net/mac80211/tx.c:5167 ieee80211_beacon_get_tim+0xb7/0x950 net/mac80211/tx.c:5194 ieee80211_beacon_get include/net/mac80211.h:4981 [inline] mac80211_hwsim_beacon_tx+0xe2/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1812 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1686 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1750 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627 Code: 2b 00 74 08 4c 89 f7 e8 5c 82 67 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc90002e07960 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff920005c0f38 RCX: ffffffff913f1f03 RDX: dffffc0000000000 RSI: ffffffff8a8b3ca0 RDI: ffffffff8ad8f700 RBP: ffffc90002e07ac0 R08: dffffc0000000000 R09: fffffbfff1f7f423 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005c0f34 R13: dffffc0000000000 R14: ffffc90002e079c0 R15: 0000000000000246 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] list_lru_del+0xa2/0x440 mm/list_lru.c:145 d_lru_del fs/dcache.c:420 [inline] select_collect+0x152/0x440 fs/dcache.c:1545 d_walk+0x1f9/0x6c0 fs/dcache.c:1366 shrink_dcache_parent+0x142/0x480 fs/dcache.c:1605 do_one_tree+0x23/0xe0 fs/dcache.c:1662 shrink_dcache_for_umount+0x79/0x120 fs/dcache.c:1679 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 kill_block_super+0x7a/0xe0 fs/super.c:1414 deactivate_locked_super+0xa0/0x110 fs/super.c:335 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143 task_work_run+0x129/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7ff9645fee87 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc634ee4d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007ff96466b44c RCX: 00007ff9645fee87 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc634ee590 RBP: 00007ffc634ee590 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc634ef650 R13: 00007ff96466b44c R14: 000000000001107d R15: 0000000000010ff6 ---------------- Code disassembly (best guess): 0: 2b 00 sub (%rax),%eax 2: 74 08 je 0xc 4: 4c 89 f7 mov %r14,%rdi 7: e8 5c 82 67 00 call 0x678268 c: f6 44 24 61 02 testb $0x2,0x61(%rsp) 11: 0f 85 84 01 00 00 jne 0x19b 17: 41 f7 c7 00 02 00 00 test $0x200,%r15d 1e: 74 01 je 0x21 20: fb sti 21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp) 28: e0 45 * 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction 31: 00 00 33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1) 3a: 00 00 3c: 43 rex.XB 3d: c7 .byte 0xc7 3e: 44 rex.R 3f: 25 .byte 0x25