general protection fault, probably for non-canonical address 0xdffffc000000006a: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000350-0x0000000000000357]
CPU: 0 PID: 429 Comm: modprobe Not tainted 5.8.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rose_send_frame+0x1dd/0x2f0 net/rose/rose_link.c:101
Code: 48 c1 ea 03 80 3c 02 00 0f 85 06 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 20 48 8d bd 50 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ea 00 00 00 4c 8b bd 50 03 00 00 e9 77 fe ff ff
RSP: 0000:ffffc90000007b18 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888214dc8800 RCX: ffffffff870eb133
RDX: 000000000000006a RSI: ffffffff870eb2a2 RDI: 0000000000000350
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888090c3c8e3
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888214dc8800
R13: 0000000000000078 R14: ffff8880914f2a40 R15: 0000000000000010
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09b3c0d700 CR3: 000000005b2d0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rose_transmit_clear_request+0x1d5/0x290 net/rose/rose_link.c:255
 rose_rx_call_request+0x4bd/0x1978 net/rose/af_rose.c:998
 rose_loopback_timer+0x15d/0x470 net/rose/rose_loopback.c:100
 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers.part.0+0x54c/0xa20 kernel/time/timer.c:1773
 __run_timers kernel/time/timer.c:1745 [inline]
 run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1786
 __do_softirq+0x34c/0xa60 kernel/softirq.c:292
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
 </IRQ>
 __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+0x111/0x170 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+0x229/0x270 kernel/softirq.c:429
 sysvec_apic_timer_interrupt+0x54/0x120 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:587
RIP: 0010:clear_page_erms+0x7/0x10 arch/x86/lib/clear_page_64.S:49
Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 <f3> aa c3 cc cc cc cc cc cc 41 57 41 56 41 55 41 54 55 53 48 89 fb
RSP: 0000:ffffc9000911f9f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffea00020e9500 RCX: 0000000000000d40
RDX: 1ffff11009633e8f RSI: 0000000000000001 RDI: ffff888083a542c0
RBP: ffff88804b19e1c0 R08: 0000000000000001 R09: ffffed101074a800
R10: 0000000000000000 R11: 0000000000000000 R12: ffffed1009633ec1
R13: dffffc0000000000 R14: ffffea00020e9540 R15: ffff88804b19f608
 clear_page arch/x86/include/asm/page_64.h:49 [inline]
 clear_highpage include/linux/highmem.h:283 [inline]
 kernel_init_free_pages+0x92/0x120 mm/page_alloc.c:1168
 prep_new_page+0x12e/0x1f0 mm/page_alloc.c:2227
 get_page_from_freelist+0x2642/0x36b0 mm/page_alloc.c:3794
 __alloc_pages_nodemask+0x2cd/0x930 mm/page_alloc.c:4844
 alloc_pages_vma+0xdd/0x720 mm/mempolicy.c:2255
 do_cow_fault mm/memory.c:3876 [inline]
 do_fault mm/memory.c:3987 [inline]
 handle_pte_fault mm/memory.c:4225 [inline]
 __handle_mm_fault mm/memory.c:4357 [inline]
 handle_mm_fault+0x198b/0x43f0 mm/memory.c:4394
 do_user_addr_fault+0x5a2/0xd00 arch/x86/mm/fault.c:1295
 handle_page_fault arch/x86/mm/fault.c:1365 [inline]
 exc_page_fault+0xab/0x170 arch/x86/mm/fault.c:1418
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:544
RIP: 0033:0x7f09b3c2dc0f
Code: Bad RIP value.
RSP: 002b:00007fff3be36bd8 EFLAGS: 00010206
RAX: 00007f09b3c0d700 RBX: 00007f09b3e2f000 RCX: 00007f09b3c0d740
RDX: 0000000000000900 RSI: 0000000000000000 RDI: 00007f09b3c0d700
RBP: 00007fff3be36f10 R08: 00007f09b3c11960 R09: 0000000000195000
R10: 00007fff3be36be0 R11: 00007fff3be36c10 R12: 00007fff3be36ff8
R13: 0000000000000002 R14: 0000000000000801 R15: 00007fff3be36fb0
Modules linked in:
---[ end trace 1df778c8d2652549 ]---
RIP: 0010:rose_send_frame+0x1dd/0x2f0 net/rose/rose_link.c:101
Code: 48 c1 ea 03 80 3c 02 00 0f 85 06 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 20 48 8d bd 50 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ea 00 00 00 4c 8b bd 50 03 00 00 e9 77 fe ff ff
RSP: 0000:ffffc90000007b18 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888214dc8800 RCX: ffffffff870eb133
RDX: 000000000000006a RSI: ffffffff870eb2a2 RDI: 0000000000000350
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888090c3c8e3
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888214dc8800
R13: 0000000000000078 R14: ffff8880914f2a40 R15: 0000000000000010
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09b3c0d700 CR3: 000000005b2d0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400