kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 3524 Comm: udevd Not tainted 4.14.134 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888097b1a3c0 task.stack: ffff888097b20000 RIP: 0010:rose_send_frame+0x18d/0x270 net/rose/rose_link.c:104 RSP: 0018:ffff8880aee07b40 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888215c6c080 RCX: 0000000000000006 RDX: 000000000000006b RSI: ffffffff86fa0660 RDI: 0000000000000358 RBP: ffff8880aee07b70 R08: 1ffff11013d8a170 R09: ffff88809ec50b80 R10: ffffed1013d8a174 R11: ffff88809ec50ba3 R12: ffff8880a0a3ce40 R13: 0000000000000078 R14: 0000000000000005 R15: 0000000000000000 FS: 00007fb1770f67a0(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200bd1ff CR3: 0000000097a07000 CR4: 00000000001426f0 Call Trace: rose_transmit_clear_request+0x1da/0x290 net/rose/rose_link.c:258 rose_rx_call_request+0x443/0x1a40 net/rose/af_rose.c:1000 rose_loopback_timer+0x147/0x430 net/rose/rose_loopback.c:103 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1634 [inline] __run_timers kernel/time/timer.c:1602 [inline] run_timer_softirq+0x5b4/0x1570 kernel/time/timer.c:1647 __do_softirq+0x244/0x9a0 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1064 apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:789 RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:unwind_next_frame.part.0+0x567/0x8b0 arch/x86/kernel/unwind_frame.c:329 RSP: 0018:ffff888097b27960 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: ffff888097b27a18 RCX: ffff888097b279c8 RDX: 1ffff11012f64f9b RSI: 1ffff11012f64f4d RDI: ffff888097b27a68 RBP: ffff888097b279f0 R08: 0000000000000001 R09: ffff888097b27a70 R10: ffff888097b27a40 R11: ffff888097b27a50 R12: 1ffff11012f64f31 R13: 0000000000000000 R14: ffff888097b27cd8 R15: 0000000000000000 unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:287 __save_stack_trace+0x6b/0xd0 arch/x86/kernel/stacktrace.c:44 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:529 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:489 slab_post_alloc_hook mm/slab.h:442 [inline] slab_alloc mm/slab.c:3390 [inline] kmem_cache_alloc+0x11b/0x780 mm/slab.c:3550 getname_flags fs/namei.c:138 [inline] getname_flags+0xcb/0x580 fs/namei.c:128 getname+0x1a/0x20 fs/namei.c:209 do_sys_open+0x1e7/0x430 fs/open.c:1059 SYSC_open fs/open.c:1083 [inline] SyS_open+0x2d/0x40 fs/open.c:1078 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7fb1767fe120 RSP: 002b:00007ffddaf99bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000ec4020 RCX: 00007fb1767fe120 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007ffddaf9a830 RBP: 0000000000eef3a0 R08: 000000000041f4f1 R09: 00007fb1768547d0 R10: 7269762f73656369 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000ec4020 R15: 0000000000eb7030 Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 8b 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 7b 20 49 8d bf 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7d 49 8b 97 58 03 00 00 e9 c7 fe ff ff e8 8c 8b RIP: rose_send_frame+0x18d/0x270 net/rose/rose_link.c:104 RSP: ffff8880aee07b40 ---[ end trace dec1678b5bd9d167 ]---