Oops: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7]
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.15.0-syzkaller-g8630c59e9936 #0 PREEMPT(voluntary)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events request_firmware_work_func
RIP: 0010:__queue_work+0x9d/0x10f0 kernel/workqueue.c:2256
Code: 85 db 0f 84 ae 04 00 00 e8 f0 7f 34 00 49 8d 86 c0 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e e8 0c 00 00 41 8b 9e c0 01 00
RSP: 0000:ffffc90000007a48 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001031000
RDX: 0000000000000038 RSI: ffffffff81493d40 RDI: 0000000000000005
RBP: ffff888138eebbd0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008
R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000003
FS: 0000000000000000(0000) GS:ffff88826917d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9797fb3000 CR3: 000000012791a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
queue_work_on+0x15f/0x1f0 kernel/workqueue.c:2392
queue_work include/linux/workqueue.h:662 [inline]
ieee80211_queue_work net/mac80211/util.c:906 [inline]
ieee80211_queue_work+0x113/0x180 net/mac80211/util.c:899
carl9170_usb_rx_complete+0x275/0x2b0 drivers/net/wireless/ath/carl9170/usb.c:448
__usb_hcd_giveback_urb+0x38a/0x6e0 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1734
dummy_timer+0x180e/0x3a20 drivers/usb/gadget/udc/dummy_hcd.c:1994
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842
handle_softirqs+0x205/0x8d0 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xfa/0x160 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+0x90/0xb0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9a2/0xc60 kernel/printk/printk.c:3227
Code: 00 e8 42 42 28 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 e0 78 20 00 48 85 db 0f 85 55 01 00 00 e8 62 7d 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 47 74 7d
RSP: 0000:ffffc900000af5c8 EFLAGS: 00000293
RAX: ffffffff895c93b8 RBX: 0000000000000000 RCX: ffffffff815d3fc0
RDX: ffff8881016f1d00 RSI: ffffffff815d3fce RDI: 0000000000000007
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff895c93b8
R13: ffffffff895c9360 R14: ffffc900000af658 R15: dffffc0000000000
__console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
console_unlock+0xd8/0x210 kernel/printk/printk.c:3325
vprintk_emit+0x418/0x6d0 kernel/printk/printk.c:2450
dev_vprintk_emit drivers/base/core.c:4917 [inline]
dev_printk_emit+0xfa/0x140 drivers/base/core.c:4928
__dev_printk+0xf5/0x270 drivers/base/core.c:4940
_dev_err+0xe4/0x120 drivers/base/core.c:4983
carl9170_usb_load_firmware+0x415/0x4f0 drivers/net/wireless/ath/carl9170/usb.c:862
carl9170_usb_init_device.part.0+0x3a1/0x4c0 drivers/net/wireless/ath/carl9170/usb.c:952
carl9170_usb_init_device drivers/net/wireless/ath/carl9170/usb.c:940 [inline]
carl9170_usb_firmware_finish drivers/net/wireless/ath/carl9170/usb.c:999 [inline]
carl9170_usb_firmware_step2+0x195/0x330 drivers/net/wireless/ath/carl9170/usb.c:1028
request_firmware_work_func+0x139/0x250 drivers/base/firmware_loader/main.c:1170
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3321 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
kthread+0x3c5/0x780 kernel/kthread.c:464
ret_from_fork+0x5b6/0x6c0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x9d/0x10f0 kernel/workqueue.c:2256
Code: 85 db 0f 84 ae 04 00 00 e8 f0 7f 34 00 49 8d 86 c0 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e e8 0c 00 00 41 8b 9e c0 01 00
RSP: 0000:ffffc90000007a48 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001031000
RDX: 0000000000000038 RSI: ffffffff81493d40 RDI: 0000000000000005
RBP: ffff888138eebbd0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008
R13: 0000000000000000 R14: 0000000000000000 R15: 0100000000000003
FS: 0000000000000000(0000) GS:ffff88826917d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9797fb3000 CR3: 000000012791a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 85 db test %ebx,%ebx
2: 0f 84 ae 04 00 00 je 0x4b6
8: e8 f0 7f 34 00 call 0x347ffd
d: 49 8d 86 c0 01 00 00 lea 0x1c0(%r14),%rax
14: 48 89 c2 mov %rax,%rdx
17: 48 89 44 24 10 mov %rax,0x10(%rsp)
1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
23: fc ff df
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 74 08 je 0x3a
32: 3c 03 cmp $0x3,%al
34: 0f 8e e8 0c 00 00 jle 0xd22
3a: 41 rex.B
3b: 8b .byte 0x8b
3c: 9e sahf
3d: c0 01 00 rolb $0x0,(%rcx)