general protection fault, probably for non-canonical address 0xdffffc0000000069: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000348-0x000000000000034f]
CPU: 0 PID: 20546 Comm: syz-executor.3 Not tainted 5.6.0-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 48 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ea 00 00 00 4c 8b bd 48 03 00 00 e9 77 fe ff ff
RSP: 0018:ffffc90000007b20 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888099421000 RCX: ffffffff86e5f473
RDX: 0000000000000069 RSI: ffffffff86e5f5e2 RDI: 0000000000000348
RBP: 0000000000000000 R08: ffff8880a6b04140 R09: ffffed1013ea321d
R10: ffffed1013ea321c R11: ffff88809f5190e3 R12: ffff888099421000
R13: 0000000000000078 R14: ffff888093bb1e40 R15: 0000000000000010
FS:  00000000011aa940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000011ab938 CR3: 00000000914b8000 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+0x195/0x760 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x623/0x1600 kernel/time/timer.c:1786
 __do_softirq+0x26c/0x99d 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:1146
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:do_syscall_64+0xe6/0x7d0 arch/x86/entry/common.c:294
Code: 48 81 fb b7 01 00 00 48 19 ff 48 b8 00 00 00 00 00 fc ff df 48 21 fb 48 8d 3c dd 00 5c 00 88 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 67 06 00 00 48 89 ef ff 14 dd 00 5c 00 88 48 8d 7d 50 48 ba
RSP: 0018:ffffc9000d4a7f28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 000000000000000a RCX: ffffffff8100a15a
RDX: 1ffffffff1000b8a RSI: ffffffff8100a16c RDI: ffffffff88005c50
RBP: ffffc9000d4a7f58 R08: ffff8880a6b04140 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8973b4d0 R14: 0000000000000000 R15: 0000000000000000
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c947
Code: 00 00 00 b8 0b 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc2da1b518 EFLAGS: 00000246 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 000000000045c947
RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00007f32db197000
RBP: 00007ffc2da1b600 R08: 00000000007217e0 R09: 00000000007217e0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2da1b6f0
R13: 00007f32db1b7700 R14: 00007f32db1b79c0 R15: 000000000076bf0c
Modules linked in:
---[ end trace 8cef31248bc198bc ]---
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 48 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ea 00 00 00 4c 8b bd 48 03 00 00 e9 77 fe ff ff
RSP: 0018:ffffc90000007b20 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888099421000 RCX: ffffffff86e5f473
RDX: 0000000000000069 RSI: ffffffff86e5f5e2 RDI: 0000000000000348
RBP: 0000000000000000 R08: ffff8880a6b04140 R09: ffffed1013ea321d
R10: ffffed1013ea321c R11: ffff88809f5190e3 R12: ffff888099421000
R13: 0000000000000078 R14: ffff888093bb1e40 R15: 0000000000000010
FS:  00000000011aa940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000011ab938 CR3: 00000000914b8000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400