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: 7041 Comm: syz-fuzzer Not tainted 5.7.0-rc5-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:ffffc90000007b00 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8882153ce000 RCX: ffffffff86fac043
RDX: 000000000000006a RSI: ffffffff86fac1b2 RDI: 0000000000000350
RBP: 0000000000000000 R08: ffff88808bca6540 R09: ffffed100bb3ce1d
R10: ffff88805d9e70e3 R11: ffffed100bb3ce1c R12: ffff8882153ce000
R13: 0000000000000078 R14: ffff8880418dfa00 R15: 0000000000000010
FS:  000000c000042410(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000078c000 CR3: 000000009807e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rose_transmit_clear_request+0x1de/0x290 net/rose/rose_link.c:255
 rose_rx_call_request+0x488/0x1960 net/rose/af_rose.c:976
 rose_loopback_timer+0x15d/0x470 net/rose/rose_loopback.c:100
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1405
 expire_timers kernel/time/timer.c:1450 [inline]
 __run_timers kernel/time/timer.c:1774 [inline]
 __run_timers kernel/time/timer.c:1741 [inline]
 run_timer_softirq+0x623/0x1600 kernel/time/timer.c:1787
 __do_softirq+0x26c/0x9f7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x192/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:546 [inline]
 smp_apic_timer_interrupt+0x19e/0x600 arch/x86/kernel/apic/apic.c:1140
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0033:0x777a91
Code: e2 48 89 94 24 98 00 00 00 48 8d 05 89 41 16 00 48 89 04 24 e8 80 4e c9 ff 48 8b 44 24 08 48 8b 8c 24 98 00 00 00 0f b6 51 04 <8b> 19 48 8b 49 08 89 18 88 50 04 48 89 48 08 48 8d 0d 99 06 39 00
RSP: 002b:000000c00775c3a8 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff13
RAX: 000000c00ae49db0 RBX: 0000000000000000 RCX: 000000c00068fff0
RDX: 0000000000000000 RSI: 000000c0009b4600 RDI: 0000000000000010
RBP: 000000c00775c498 R08: 00000000008dbc00 R09: 000000c00ae5ad01
R10: 000000c00ae49db0 R11: 0000000000000001 R12: ffffffffffffffff
R13: 00000000000001dc R14: 00000000000001db R15: 0000000000000200
Modules linked in:
---[ end trace 5bff24180a931975 ]---
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:ffffc90000007b00 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8882153ce000 RCX: ffffffff86fac043
RDX: 000000000000006a RSI: ffffffff86fac1b2 RDI: 0000000000000350
RBP: 0000000000000000 R08: ffff88808bca6540 R09: ffffed100bb3ce1d
R10: ffff88805d9e70e3 R11: ffffed100bb3ce1c R12: ffff8882153ce000
R13: 0000000000000078 R14: ffff8880418dfa00 R15: 0000000000000010
FS:  000000c000042410(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000078c000 CR3: 000000009807e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400