------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 1 PID: 12655 at net/mac80211/rate.c:376 __rate_control_send_low+0x653/0x890 net/mac80211/rate.c:371 Modules linked in: CPU: 1 PID: 12655 Comm: syz.0.2237 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:ffffc90000dd06e8 EFLAGS: 00010246 RAX: a8a5e609c3955900 RBX: 000000000000000c RCX: ffff88801c71d940 RDX: 0000000080000100 RSI: 0000000080000100 RDI: 0000000000000000 RBP: ffff88807d0e9a28 R08: ffffffff8166868c R09: fffff520001ba01d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 000000000000000c R14: 0000000000000000 R15: 00000000ffffffff FS: 00007f97eb8696c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f97ed5750a0 CR3: 000000007b806000 CR4: 00000000003506e0 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:rcu_read_lock include/linux/rcupdate.h:740 [inline] RIP: 0010:blk_cgroup_congested include/linux/blk-cgroup.h:279 [inline] RIP: 0010:__cgroup_throttle_swaprate+0x76/0x540 mm/swapfile.c:3809 Code: 84 cd 04 00 00 89 de 83 e6 40 31 ff e8 33 be bc ff 83 e3 40 75 0a e8 c9 ba bc ff e9 34 03 00 00 e8 0f 24 a8 ff e8 0a 14 00 00 b5 0f 5b 08 89 c3 31 ff 89 c6 e8 0a be bc ff 85 db 74 10 e8 21 RSP: 0018:ffffc90002f672c8 EFLAGS: 00000296 RAX: a8a5e609c3955900 RBX: 0000000000000040 RCX: 1ffff920005ecdd8 RDX: dffffc0000000000 RSI: ffffffff8a8b3ca0 RDI: ffffffff8ad8f700 RBP: ffffea0001714b80 R08: dffffc0000000000 R09: fffffbfff1f7f419 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffea0001714b80 R14: dffffc0000000000 R15: 00fff00000080001 cgroup_throttle_swaprate include/linux/swap.h:728 [inline] shmem_add_to_page_cache+0xd2f/0x17c0 mm/shmem.c:727 shmem_getpage_gfp+0x1aa1/0x3190 mm/shmem.c:1940 shmem_fault+0x1d7/0x700 mm/shmem.c:2118 __do_fault+0x139/0x340 mm/memory.c:3898 do_read_fault mm/memory.c:4234 [inline] do_fault mm/memory.c:4362 [inline] handle_pte_fault mm/memory.c:4621 [inline] __handle_mm_fault mm/memory.c:4756 [inline] handle_mm_fault+0x376f/0x5950 mm/memory.c:4854 faultin_page mm/gup.c:976 [inline] __get_user_pages+0x4ed/0x11d0 mm/gup.c:1197 populate_vma_page_range+0x215/0x2a0 mm/gup.c:1529 __mm_populate+0x2a5/0x4a0 mm/gup.c:1638 mm_populate include/linux/mm.h:2632 [inline] vm_mmap_pgoff+0x22b/0x2d0 mm/util.c:556 ksys_mmap_pgoff+0x13e/0x780 mm/mmap.c:1624 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f97ed3e8f19 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:00007f97eb869048 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f97ed578f60 RCX: 00007f97ed3e8f19 RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f97ed457e68 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f97ed578f60 R15: 00007ffd661e2468 ---------------- Code disassembly (best guess): 0: 84 cd test %cl,%ch 2: 04 00 add $0x0,%al 4: 00 89 de 83 e6 40 add %cl,0x40e683de(%rcx) a: 31 ff xor %edi,%edi c: e8 33 be bc ff call 0xffbcbe44 11: 83 e3 40 and $0x40,%ebx 14: 75 0a jne 0x20 16: e8 c9 ba bc ff call 0xffbcbae4 1b: e9 34 03 00 00 jmp 0x354 20: e8 0f 24 a8 ff call 0xffa82434 25: e8 0a 14 00 00 call 0x1434 * 2a: e8 b5 0f 5b 08 call 0x85b0fe4 <-- trapping instruction 2f: 89 c3 mov %eax,%ebx 31: 31 ff xor %edi,%edi 33: 89 c6 mov %eax,%esi 35: e8 0a be bc ff call 0xffbcbe44 3a: 85 db test %ebx,%ebx 3c: 74 10 je 0x4e 3e: e8 .byte 0xe8 3f: 21 .byte 0x21