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: 17141 Comm: syz-executor.4 Not tainted 5.7.0-rc2-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: 0018:ffffc90000007b00 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8880a68c6000 RCX: ffffffff86faa513
RDX: 000000000000006a RSI: ffffffff86faa682 RDI: 0000000000000350
RBP: 0000000000000000 R08: ffff888049b14240 R09: ffffed1011eb531d
R10: ffff88808f5a98e3 R11: ffffed1011eb531c R12: ffff8880a68c6000
R13: 0000000000000078 R14: ffff888090454500 R15: 0000000000000010
FS: 00007ff6fc7ba700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff6fc7b9db8 CR3: 00000000a5ce4000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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
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 30 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 ce 51 c4 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 bb 95 7e f9 65 8b 05 4c b0 31 78 85 c0 74 02 5d
RSP: 0018:ffffc90001027ed8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1329806 RBX: ffff888049b14240 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff888049b14b04
RBP: ffff8880ae637980 R08: ffff888049b14240 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae637980
R13: ffff88805a4da400 R14: 0000000000000000 R15: 0000000000000001
finish_lock_switch kernel/sched/core.c:3106 [inline]
finish_task_switch+0x147/0x750 kernel/sched/core.c:3206
schedule_tail+0xa/0x120 kernel/sched/core.c:3302
ret_from_fork+0x8/0x30 arch/x86/entry/entry_64.S:336
Modules linked in:
---[ end trace 05e39ca35befaaa5 ]---
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: 0018:ffffc90000007b00 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8880a68c6000 RCX: ffffffff86faa513
RDX: 000000000000006a RSI: ffffffff86faa682 RDI: 0000000000000350
RBP: 0000000000000000 R08: ffff888049b14240 R09: ffffed1011eb531d
R10: ffff88808f5a98e3 R11: ffffed1011eb531c R12: ffff8880a68c6000
R13: 0000000000000078 R14: ffff888090454500 R15: 0000000000000010
FS: 00007ff6fc7ba700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff6fc7b9db8 CR3: 00000000a5ce4000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400