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: 3527 Comm: udevd Not tainted 4.14.134 #30 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888097e8c480 task.stack: ffff888097e90000 RIP: 0010:rose_send_frame+0x18d/0x270 net/rose/rose_link.c:104 RSP: 0018:ffff8880aee07b40 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888215d4e040 RCX: 0000000000000006 RDX: 000000000000006b RSI: ffffffff86fa1e60 RDI: 0000000000000358 RBP: ffff8880aee07b70 R08: 1ffff1101228aac8 R09: ffff888091455640 R10: ffffed101228aacc R11: ffff888091455663 R12: ffff88808837f480 R13: 0000000000000078 R14: 0000000000000005 R15: 0000000000000000 FS: 00007fcd12dac7a0(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffffe44e898 CR3: 0000000096f23000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:rol32 include/linux/bitops.h:82 [inline] RIP: 0010:jhash2 include/linux/jhash.h:128 [inline] RIP: 0010:hash_stack lib/stackdepot.c:161 [inline] RIP: 0010:depot_save_stack+0x9b/0x410 lib/stackdepot.c:217 RSP: 0018:ffff888097e976f0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 00000000fbadd3b8 RBX: 00000000139815fb RCX: ffff888097e97790 RDX: 00000000a88220b2 RSI: 0000000000000016 RDI: ffff888097e97748 RBP: ffff888097e97738 R08: 00000000f5496b15 R09: 0000000000000004 R10: 0000000000000000 R11: ffff888097e8c480 R12: ffff888097e97748 R13: ffff888097e97760 R14: 0000000000000011 R15: ffff8880aa800940 save_stack+0xa9/0xd0 mm/kasan/kasan.c:453 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 __do_kmalloc_node mm/slab.c:3682 [inline] __kmalloc_node_track_caller+0x51/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] kobject_uevent_env+0x781/0xc23 lib/kobject_uevent.c:479 kobject_synth_uevent.cold+0x7d/0xcd lib/kobject_uevent.c:205 uevent_store+0x26/0x70 drivers/base/core.c:996 dev_attr_store+0x59/0x80 drivers/base/core.c:714 sysfs_kf_write+0x10c/0x160 fs/sysfs/file.c:141 kernfs_fop_write+0x291/0x450 fs/kernfs/file.c:316 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7fcd124b4370 RSP: 002b:00007ffc050b2cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000001627ca0 RCX: 00007fcd124b4370 RDX: 0000000000000006 RSI: 000000000041f4f9 RDI: 000000000000000b RBP: 000000000165dd50 R08: 000000000041f4f1 R09: 00007fcd1250a7d0 R10: 7269762f73656369 R11: 0000000000000246 R12: 000000000000000b R13: 0000000000000000 R14: 0000000001627ca0 R15: 0000000001609030 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 db RIP: rose_send_frame+0x18d/0x270 net/rose/rose_link.c:104 RSP: ffff8880aee07b40 ---[ end trace d923d05ac8b28067 ]---