general protection fault, probably for non-canonical address 0xdffffc000000006a: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000350-0x0000000000000357] CPU: 1 PID: 7514 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:ffffc90000da8b00 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8880a3779000 RCX: ffffffff86faf4c3 RDX: 000000000000006a RSI: ffffffff86faf632 RDI: 0000000000000350 RBP: 0000000000000000 R08: ffff888062f6e240 R09: ffffed101512569d R10: ffff8880a892b4e3 R11: ffffed101512569c R12: ffff8880a3779000 R13: 0000000000000078 R14: ffff88808ef91580 R15: 0000000000000010 FS: 00000000025e5940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073b138 CR3: 0000000062f67000 CR4: 00000000001406e0 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:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x623/0x1600 kernel/time/timer.c:1786 __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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline] RIP: 0010:lock_acquire+0x267/0x8f0 kernel/locking/lockdep.c:4937 Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 c6 05 00 00 48 83 3d a5 3d 3b 08 00 0f 84 65 04 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 03 44 24 08 48 c7 RSP: 0018:ffffc900074bf888 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1329804 RBX: ffff888062f6e240 RCX: 1ea8bd581a730ad2 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000286 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff185d547 R10: ffffffff8c2eaa37 R11: fffffbfff185d546 R12: 0000000000000000 R13: ffffffff89a662a0 R14: 0000000000000000 R15: 0000000000000000 __fs_reclaim_acquire mm/page_alloc.c:4142 [inline] fs_reclaim_acquire.part.0+0x20/0x30 mm/page_alloc.c:4153 slab_pre_alloc_hook mm/slab.h:564 [inline] slab_alloc_node mm/slab.c:3227 [inline] kmem_cache_alloc_node_trace+0x37/0x790 mm/slab.c:3593 kmalloc_node include/linux/slab.h:573 [inline] kzalloc_node include/linux/slab.h:680 [inline] __get_vm_area_node+0x126/0x3b0 mm/vmalloc.c:2111 __vmalloc_node_range+0xdc/0x7a0 mm/vmalloc.c:2550 __vmalloc_node mm/vmalloc.c:2610 [inline] __vmalloc_node_flags mm/vmalloc.c:2624 [inline] vzalloc+0x67/0x80 mm/vmalloc.c:2669 alloc_counters.isra.0+0x50/0x690 net/ipv6/netfilter/ip6_tables.c:816 copy_entries_to_user net/ipv6/netfilter/ip6_tables.c:838 [inline] get_entries net/ipv6/netfilter/ip6_tables.c:1041 [inline] do_ip6t_get_ctl+0x4be/0x8c0 net/ipv6/netfilter/ip6_tables.c:1709 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x72/0xd0 net/netfilter/nf_sockopt.c:122 ipv6_getsockopt net/ipv6/ipv6_sockglue.c:1405 [inline] ipv6_getsockopt+0x1f5/0x270 net/ipv6/ipv6_sockglue.c:1385 tcp_getsockopt net/ipv4/tcp.c:3726 [inline] tcp_getsockopt+0x86/0xd0 net/ipv4/tcp.c:3720 __sys_getsockopt+0x14b/0x2e0 net/socket.c:2177 __do_sys_getsockopt net/socket.c:2192 [inline] __se_sys_getsockopt net/socket.c:2189 [inline] __x64_sys_getsockopt+0xba/0x150 net/socket.c:2189 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45f33a Code: b8 34 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ed 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ca 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007ffc1bc1d738 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007ffc1bc1d760 RCX: 000000000045f33a RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 000000000073eca0 R08: 00007ffc1bc1d75c R09: 0000000000004000 R10: 00007ffc1bc1d860 R11: 0000000000000212 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000029 R15: 000000000073cae0 Modules linked in: ---[ end trace 1e1250359cab7f3b ]--- 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:ffffc90000da8b00 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8880a3779000 RCX: ffffffff86faf4c3 RDX: 000000000000006a RSI: ffffffff86faf632 RDI: 0000000000000350 RBP: 0000000000000000 R08: ffff888062f6e240 R09: ffffed101512569d R10: ffff8880a892b4e3 R11: ffffed101512569c R12: ffff8880a3779000 R13: 0000000000000078 R14: ffff88808ef91580 R15: 0000000000000010 FS: 00000000025e5940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073b138 CR3: 0000000062f67000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400