------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40
WARNING: CPU: 1 PID: 2311 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Modules linked in:
CPU: 1 PID: 2311 Comm: pvrusb2-context Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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 a0 f3 a6 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 4b 74 a3 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:ffffc900001e0580 EFLAGS: 00010246
RAX: ed60bb552b7f1c00 RBX: 000000000000000c RCX: ffff888029873c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000084 R08: ffff8880b8f279db R09: 1ffff110171e4f3b
R10: dffffc0000000000 R11: ffffed10171e4f3c R12: 0000000000000040
R13: dffffc0000000000 R14: ffff88807dedb358 R15: ffff88802e9987a8
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3b1853 CR3: 0000000024027000 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:405
rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:921
ieee80211_beacon_get_finish+0x391/0x6d0 net/mac80211/tx.c:5133
ieee80211_beacon_get_ap+0xff9/0x1700 net/mac80211/tx.c:5236
__ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5332
ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5474
ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
__run_hrtimer kernel/time/hrtimer.c:1751 [inline]
__hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1815
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1832
handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:console_emit_next_record+0x970/0xba0 kernel/printk/printk.c:2786
Code: 0f 85 a7 00 00 00 e8 cf ae 1a 00 0f b6 5c 24 0f 4d 85 e4 75 07 e8 c0 ae 1a 00 eb 06 e8 b9 ae 1a 00 fb 66 43 c7 44 3d 24 f8 f8 <43> c6 44 3d 26 f8 49 81 c6 00 06 06 06 4f 89 74 3d 14 66 43 c7 44
RSP: 0018:ffffc90006167320 EFLAGS: 00000293
RAX: ffffffff8167cce7 RBX: 0000000000000001 RCX: ffff888029873c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90006167540 R08: ffffffff90aff247 R09: 1ffffffff215fe48
R10: dffffc0000000000 R11: fffffbfff215fe49 R12: 0000000000000200
R13: 1ffff92000c2ce70 R14: f8f8f8f8f2f2f2f8 R15: dffffc0000000000
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x4b3/0x6a0 kernel/printk/printk.c:2303
_printk+0xda/0x130 kernel/printk/printk.c:2328
pvr2_send_request_ex+0x1461/0x21b0 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:-1
pvr2_send_request drivers/media/usb/pvrusb2/pvrusb2-hdw.c:3822 [inline]
pvr2_issue_simple_cmd+0x626/0x870 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:3882
pvr2_hdw_cmd_powerup drivers/media/usb/pvrusb2/pvrusb2-hdw.c:4011 [inline]
pvr2_hdw_setup_low drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2121 [inline]
pvr2_hdw_setup drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2261 [inline]
pvr2_hdw_initialize+0x580/0x3c10 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338
pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline]
pvr2_context_thread_func+0x487/0xb00 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
kthread+0x29d/0x330 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 0f 85 a7 00 00 00 jne 0xad
6: e8 cf ae 1a 00 call 0x1aaeda
b: 0f b6 5c 24 0f movzbl 0xf(%rsp),%ebx
10: 4d 85 e4 test %r12,%r12
13: 75 07 jne 0x1c
15: e8 c0 ae 1a 00 call 0x1aaeda
1a: eb 06 jmp 0x22
1c: e8 b9 ae 1a 00 call 0x1aaeda
21: fb sti
22: 66 43 c7 44 3d 24 f8 movw $0xf8f8,0x24(%r13,%r15,1)
29: f8
* 2a: 43 c6 44 3d 26 f8 movb $0xf8,0x26(%r13,%r15,1) <-- trapping instruction
30: 49 81 c6 00 06 06 06 add $0x6060600,%r14
37: 4f 89 74 3d 14 mov %r14,0x14(%r13,%r15,1)
3c: 66 data16
3d: 43 rex.XB
3e: c7 .byte 0xc7
3f: 44 rex.R