8021q: adding VLAN 0 to HW filter on device batadv0 device rose0 entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): rose0: link becomes ready 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: 7801 Comm: udevd Not tainted 5.0.0-rc4+ #44 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 60 cd RSP: 0000:ffff8880ae907ae8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88809a954500 RCX: ffffffff86360ccb RDX: 000000000000006b RSI: ffffffff86360dfc RDI: 0000000000000358 RBP: ffff8880ae907b18 R08: ffff888094b50080 R09: ffffed10146ad41d R10: ffffed10146ad41c R11: ffff8880a356a0e3 R12: 0000000000000000 R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a886acc0 FS: 00007f75710e57a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7570790590 CR3: 000000009fb95000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:999 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:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 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:__sanitizer_cov_trace_const_cmp1+0x1/0x20 kernel/kcov.c:174 Code: c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 06 00 00 00 48 89 e5 48 8b 4d 08 e8 18 ff ff ff 5d c3 66 0f 1f 44 00 00 55 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 48 89 e5 48 8b 4d 08 e8 f6 RSP: 0000:ffff8880a806fb90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff888094b50080 RBX: ffff8880a806fca8 RCX: ffffffff818a7cde RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880a806fcd0 R08: ffff888094b50080 R09: 0000000000000004 R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: ffffea000025f980 R13: ffff88809b8a87b8 R14: 0000000000000001 R15: 0000000000000084 do_fault_around mm/memory.c:3391 [inline] do_read_fault mm/memory.c:3425 [inline] do_fault mm/memory.c:3556 [inline] handle_pte_fault mm/memory.c:3787 [inline] __handle_mm_fault+0x3226/0x3f20 mm/memory.c:3911 handle_mm_fault+0x43f/0xb30 mm/memory.c:3948 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0x71/0x581 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 RIP: 0033:0x7f7570790590 Code: 00 74 0f f0 ff 0d ac 41 31 00 0f 85 d3 6b 00 00 eb 0c ff 0d 9e 41 31 00 0f 85 c5 6b 00 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 <8b> 0d 4e 1b 31 00 85 c9 7e 6c 48 8b 15 97 41 31 00 48 8b 05 78 17 RSP: 002b:00007ffec2e21978 EFLAGS: 00010206 RAX: 00007f7570aa4740 RBX: 00007ffec2e219a0 RCX: 00007f75705162a0 RDX: 00007f7570790590 RSI: 00007f7570512240 RDI: 00007f7570aa26c0 RBP: 00007ffec2e219e0 R08: 0000000000001ce4 R09: 0000000000001ce4 R10: 00007f7570512240 R11: 00007f75710e57a0 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f75710f0040 R15: 0000000000000005 Modules linked in: ---[ end trace 19f243a97b44aa5b ]--- 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 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 60 cd RSP: 0000:ffff8880ae907ae8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88809a954500 RCX: ffffffff86360ccb RDX: 000000000000006b RSI: ffffffff86360dfc RDI: 0000000000000358 RBP: ffff8880ae907b18 R08: ffff888094b50080 R09: ffffed10146ad41d R10: ffffed10146ad41c R11: ffff8880a356a0e3 R12: 0000000000000000 R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a886acc0 FS: 00007f75710e57a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7570790590 CR3: 000000009fb95000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400