Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338351 pages reserved general protection fault, probably for non-canonical address 0xdffffc00000001f2: 0000 [#1] SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000f90-0x0000000000000f97] CPU: 0 PID: 13663 Comm: kworker/0:1 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:627 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x843/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671 Code: 00 00 00 49 8d 7f 08 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 51 05 00 00 4d 8b 7f 08 49 8d bf 90 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 08 3c 03 0f 8e 25 05 00 00 48 8b 44 24 30 0f RSP: 0018:ffff8881db209920 EFLAGS: 00010002 RAX: 00000000000001f2 RBX: 0000000000000c05 RCX: ffffc900004a7000 RDX: 0000000000040000 RSI: ffffffff82e1f88b RDI: 0000000000000f90 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881d4b56ce3 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000c05 R14: ffff8881c7ab6640 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 00000001ac2e8000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __usb_hcd_giveback_urb+0x32d/0x560 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1716 dummy_timer+0x11f2/0x3240 drivers/usb/gadget/udc/dummy_hcd.c:1967 call_timer_fn+0x1ac/0x6e0 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers.part.0+0x54c/0x9e0 kernel/time/timer.c:1773 __run_timers kernel/time/timer.c:1745 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1786 __do_softirq+0x222/0x95b kernel/softirq.c:292 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0xed/0x140 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:387 [inline] __irq_exit_rcu kernel/softirq.c:417 [inline] irq_exit_rcu+0x150/0x1f0 kernel/softirq.c:429 sysvec_apic_timer_interrupt+0x49/0xc0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:rol32 include/linux/bitops.h:105 [inline] RIP: 0010:jhash2 include/linux/jhash.h:128 [inline] RIP: 0010:hash_stack lib/stackdepot.c:157 [inline] RIP: 0010:stack_depot_save+0x96/0x3f0 lib/stackdepot.c:249 Code: 01 f8 89 df 01 c3 c1 c7 04 44 31 c7 29 f8 41 89 c0 89 f8 01 df c1 c0 06 44 31 c0 29 c3 41 89 d8 89 c3 01 f8 c1 c3 08 44 31 c3 <41> 89 d8 29 df 01 c3 41 c1 c0 10 44 31 c7 41 89 f8 29 f8 01 df 41 RSP: 0018:ffff8881aa5276c8 EFLAGS: 00000282 RAX: 00000000b685db33 RBX: 00000000cb42461c RCX: 0000000000000cc0 RDX: ffff8881aa52776c RSI: 0000000000000003 RDI: 00000000a508ca2c RBP: 0000000000000cc0 R08: 00000000b653410d R09: ffffffff884f8220 R10: 000000000000015b R11: 000000000004e017 R12: ffff8881aa527718 R13: 000000000000000c R14: 000000000000000c R15: 0000000000000068 save_stack+0x32/0x40 mm/kasan/common.c:50 set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:494 kmalloc include/linux/slab.h:555 [inline] dummy_urb_enqueue+0x7a/0x880 drivers/usb/gadget/udc/dummy_hcd.c:1251 usb_hcd_submit_urb+0x2b2/0x22d0 drivers/usb/core/hcd.c:1547 usb_submit_urb+0xb4e/0x13e0 drivers/usb/core/urb.c:570 ath9k_hif_usb_alloc_reg_in_urbs drivers/net/wireless/ath/ath9k/hif_usb.c:955 [inline] ath9k_hif_usb_alloc_urbs+0xace/0x1010 drivers/net/wireless/ath/ath9k/hif_usb.c:995 ath9k_hif_usb_dev_init drivers/net/wireless/ath/ath9k/hif_usb.c:1081 [inline] ath9k_hif_usb_firmware_cb+0x148/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1214 request_firmware_work_func+0x126/0x250 drivers/base/firmware_loader/main.c:1001 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x392/0x470 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Modules linked in: ---[ end trace 5b203ae4fafc5eff ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:627 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x843/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671 Code: 00 00 00 49 8d 7f 08 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 51 05 00 00 4d 8b 7f 08 49 8d bf 90 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 08 3c 03 0f 8e 25 05 00 00 48 8b 44 24 30 0f RSP: 0018:ffff8881db209920 EFLAGS: 00010002 RAX: 00000000000001f2 RBX: 0000000000000c05 RCX: ffffc900004a7000 RDX: 0000000000040000 RSI: ffffffff82e1f88b RDI: 0000000000000f90 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881d4b56ce3 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000c05 R14: ffff8881c7ab6640 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 00000001ac2e8000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400