general protection fault, probably for non-canonical address 0xdffffc0000000066: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000330-0x0000000000000337]
CPU: 0 PID: 17511 Comm: syz-executor.2 Not tainted 5.7.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ax25_send_frame+0xe1/0x660 net/ax25/ax25_out.c:56
Code: c6 00 00 48 85 c0 0f 85 0c 04 00 00 e8 98 40 74 fa 49 8d bc 24 30 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d2 04 00 00 49 8b 84 24 30 03 00 00 48 85 c0 48
RSP: 0018:ffffc90000007ab8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88821536a408 RCX: 1ffffffff1872acf
RDX: 0000000000000066 RSI: ffffffff86fefc48 RDI: 0000000000000330
RBP: ffffffff8d244380 R08: 0000000000000001 R09: fffffbfff1860b66
R10: ffffffff8c305b2f R11: fffffbfff1860b65 R12: 0000000000000000
R13: 0000000000000104 R14: 0000000000000000 R15: ffff8880576a5b80
FS:  0000000002aea940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc9e2d3fe0 CR3: 00000000941e7000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rose_send_frame+0xcc/0x2f0 net/rose/rose_link.c:106
 rose_transmit_clear_request+0x1de/0x290 net/rose/rose_link.c:255
 rose_rx_call_request+0x488/0x1960 net/rose/af_rose.c:996
 rose_loopback_timer+0x15d/0x470 net/rose/rose_loopback.c:100
 call_timer_fn+0x1ac/0x780 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/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: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x4b/0x80 kernel/locking/spinlock.c:199
Code: c0 70 c0 94 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d ae d1 be 01 00 74 25 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 9b 1b 79 f9 65 8b 05 ec 2f 2c 78 85 c0 74 02 5d
RSP: 0018:ffffc90004a27b38 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff132980e RBX: ffff8880a48245c0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a4824e84
RBP: ffff8880ae637c80 R08: ffff8880a48245c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae637c80
R13: ffff88809fbb4100 R14: 0000000000000000 R15: 0000000000000000
 finish_lock_switch kernel/sched/core.c:3105 [inline]
 finish_task_switch+0x147/0x750 kernel/sched/core.c:3205
 context_switch kernel/sched/core.c:3369 [inline]
 __schedule+0x93f/0x1ff0 kernel/sched/core.c:4082
 schedule+0xd0/0x2a0 kernel/sched/core.c:4157
 freezable_schedule include/linux/freezer.h:172 [inline]
 do_nanosleep+0x21f/0x640 kernel/time/hrtimer.c:1879
 hrtimer_nanosleep+0x1df/0x3a0 kernel/time/hrtimer.c:1932
 __do_sys_nanosleep kernel/time/hrtimer.c:1966 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1953 [inline]
 __x64_sys_nanosleep+0x1dc/0x260 kernel/time/hrtimer.c:1953
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45af51
Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 8a 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 d3 46 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffc326b2800 EFLAGS: 00000293 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 000000000010045b RCX: 000000000045af51
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc326b2810
RBP: 0000000000000001 R08: ffffffff81339b44 R09: 00000000a2f62ad4
R10: 00007ffc326b2910 R11: 0000000000000293 R12: 000000000078bf00
R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078bfac
Modules linked in:
---[ end trace 42b1161e60164c0e ]---
RIP: 0010:ax25_send_frame+0xe1/0x660 net/ax25/ax25_out.c:56
Code: c6 00 00 48 85 c0 0f 85 0c 04 00 00 e8 98 40 74 fa 49 8d bc 24 30 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d2 04 00 00 49 8b 84 24 30 03 00 00 48 85 c0 48
RSP: 0018:ffffc90000007ab8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88821536a408 RCX: 1ffffffff1872acf
RDX: 0000000000000066 RSI: ffffffff86fefc48 RDI: 0000000000000330
RBP: ffffffff8d244380 R08: 0000000000000001 R09: fffffbfff1860b66
R10: ffffffff8c305b2f R11: fffffbfff1860b65 R12: 0000000000000000
R13: 0000000000000104 R14: 0000000000000000 R15: ffff8880576a5b80
FS:  0000000002aea940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc9e2d3fe0 CR3: 00000000941e7000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400