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 CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.1.0-rc2+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events linkwatch_event RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:104 Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 50 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 50 03 00 00 e9 b8 fe ff ff e8 70 7b RSP: 0018:ffff8880ae907ae8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8882167725c0 RCX: ffffffff863ef48b RDX: 000000000000006a RSI: ffffffff863ef5bc RDI: 0000000000000350 RBP: ffff8880ae907b18 R08: ffff8880aa3ec5c0 R09: ffffed1012a1350d R10: ffffed1012a1350c R11: ffff88809509a863 R12: 0000000000000000 R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a95075c0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000002 CR3: 0000000086c14000 CR4: 00000000001406e0 Call Trace: rose_transmit_clear_request+0x1de/0x2a0 net/rose/rose_link.c:258 rose_rx_call_request+0x4ea/0x1990 net/rose/af_rose.c:1001 rose_loopback_timer+0x26a/0x3f0 net/rose/rose_loopback.c:100 call_timer_fn+0x190/0x720 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers kernel/time/timer.c:1681 [inline] __run_timers kernel/time/timer.c:1649 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1694 __do_softirq+0x266/0x95a kernel/softirq.c:293 invoke_softirq kernel/softirq.c:374 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:414 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline] RIP: 0010:console_unlock+0xb5c/0xeb0 kernel/printk/printk.c:2460 Code: 92 88 48 c1 e8 03 42 80 3c 30 00 0f 85 c9 02 00 00 48 83 3d 95 13 38 07 00 0f 84 98 01 00 00 e8 1a ee 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 6b ff ff ff e8 05 ee 15 00 48 8b 7d 08 c7 05 97 RSP: 0018:ffff8880a98077c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880aa3ec5c0 RBX: 0000000000000200 RCX: 1ffff1101547d9db RDX: 0000000000000000 RSI: ffffffff815a8366 RDI: 0000000000000293 RBP: ffff8880a9807848 R08: ffff8880aa3ec5c0 R09: ffff8880aa3eced8 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8420a6c0 R14: dffffc0000000000 R15: ffffffff88f905d0 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1975 vprintk_default+0x28/0x30 kernel/printk/printk.c:2002 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2035 addrconf_notify.cold+0x32/0x7c net/ipv6/addrconf.c:3570 notifier_call_chain+0xc7/0x240 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x3f/0x90 net/core/dev.c:1739 netdev_state_change net/core/dev.c:1342 [inline] netdev_state_change+0x10d/0x140 net/core/dev.c:1335 linkwatch_do_dev+0xf7/0x170 net/core/link_watch.c:164 __linkwatch_run_queue+0x2cd/0x570 net/core/link_watch.c:202 linkwatch_event+0x4e/0x70 net/core/link_watch.c:237 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace a3786ce35dff7d1e ]--- RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:104 Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 50 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 50 03 00 00 e9 b8 fe ff ff e8 70 7b RSP: 0018:ffff8880ae907ae8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8882167725c0 RCX: ffffffff863ef48b RDX: 000000000000006a RSI: ffffffff863ef5bc RDI: 0000000000000350 RBP: ffff8880ae907b18 R08: ffff8880aa3ec5c0 R09: ffffed1012a1350d R10: ffffed1012a1350c R11: ffff88809509a863 R12: 0000000000000000 R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a95075c0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000002 CR3: 0000000086c14000 CR4: 00000000001406e0