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: 7907 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rose_send_frame+0x161/0x290 net/rose/rose_link.c:101 Code: 41 5e 5d c3 80 3c 02 00 0f 85 24 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 4b 20 49 8d b9 48 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 08 01 00 00 49 8b 91 48 03 00 00 e9 e3 fe ff ff RSP: 0018:ffff8880aed09ad8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff888215d65c00 RCX: 0000000000000006 RDX: 0000000000000069 RSI: ffffffff87c9f520 RDI: 0000000000000348 RBP: ffff8880aed09b08 R08: ffffed101524ee9d R09: 0000000000000000 R10: ffffed101524ee9c R11: ffff8880a92774e3 R12: ffff888215d65c00 R13: 0000000000000078 R14: ffff88808ad268c0 R15: ffff88808ad268c0 FS: 0000000002946940(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000007111c8 CR3: 00000000a93c5000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rose_transmit_clear_request+0x1d0/0x290 net/rose/rose_link.c:255 rose_rx_call_request+0x39e/0x1fae net/rose/af_rose.c:976 rose_loopback_timer+0x11f/0x430 net/rose/rose_loopback.c:100 call_timer_fn+0x169/0x570 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] run_timer_softirq+0xd58/0x1330 kernel/time/timer.c:1786 __do_softirq+0x262/0x9a8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19a/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a6/0x5f0 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:mark_source_chains net/ipv6/netfilter/ip6_tables.c:464 [inline] RIP: 0010:translate_table+0xbf4/0x1ab0 net/ipv6/netfilter/ip6_tables.c:725 Code: 48 8b b5 50 ff ff ff b8 01 00 00 00 89 f1 d3 e0 85 85 20 ff ff ff 89 85 58 ff ff ff 0f 85 1d 02 00 00 48 83 85 50 ff ff ff 01 <48> 8b 85 50 ff ff ff 48 83 f8 05 75 c9 48 8b bd 30 ff ff ff 44 8b RSP: 0018:ffff888099a17658 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 1ffff1101344f669 RBX: ffff88809a27b2b0 RCX: ffff88809a27b358 RDX: 0000000000000002 RSI: ffffffff87c871a8 RDI: ffff88809a27b378 RBP: ffff888099a17780 R08: 00000000fffffffe R09: ffff88809a27b040 R10: 0000000000000000 R11: dffffc0000000000 R12: 0000000000000010 R13: ffff88809a27b340 R14: 0000000000000270 R15: 0000000000000270 ip6t_register_table+0x118/0x2d0 net/ipv6/netfilter/ip6_tables.c:1782 ip6table_nat_table_init.part.1+0x4d/0x150 net/ipv6/netfilter/ip6table_nat.c:101 ip6table_nat_table_init+0x3d/0x50 net/ipv6/netfilter/ip6table_nat.c:115 xt_find_table_lock+0x208/0x370 net/netfilter/x_tables.c:1223 xt_request_find_table_lock+0x1c/0xa0 net/netfilter/x_tables.c:1253 get_info+0x10b/0x470 net/ipv6/netfilter/ip6_tables.c:981 do_ip6t_get_ctl+0x136/0x750 net/ipv6/netfilter/ip6_tables.c:1705 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x5f/0xc0 net/netfilter/nf_sockopt.c:122 ipv6_getsockopt+0x132/0x1c0 net/ipv6/ipv6_sockglue.c:1400 tcp_getsockopt+0x6a/0xd0 net/ipv4/tcp.c:3690 sock_common_getsockopt+0x73/0xf0 net/core/sock.c:3108 __sys_getsockopt+0x13c/0x2e0 net/socket.c:2162 __do_sys_getsockopt net/socket.c:2177 [inline] __se_sys_getsockopt net/socket.c:2174 [inline] __x64_sys_getsockopt+0xb9/0x150 net/socket.c:2174 do_syscall_64+0xca/0x5f0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c33a Code: b8 34 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8c 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 ba 8c fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007ffe7e11ad08 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045c33a RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 0000000000000029 R08: 00007ffe7e11ad2c R09: 0000000000000000 R10: 00000000007111c8 R11: 0000000000000246 R12: 00000000004c5f93 R13: 0000000000712cc0 R14: 00000000007111c8 R15: 00000000007111c0 Modules linked in: ---[ end trace 8bd075680c6374d5 ]--- RIP: 0010:rose_send_frame+0x161/0x290 net/rose/rose_link.c:101 Code: 41 5e 5d c3 80 3c 02 00 0f 85 24 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 4b 20 49 8d b9 48 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 08 01 00 00 49 8b 91 48 03 00 00 e9 e3 fe ff ff RSP: 0018:ffff8880aed09ad8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff888215d65c00 RCX: 0000000000000006 RDX: 0000000000000069 RSI: ffffffff87c9f520 RDI: 0000000000000348 RBP: ffff8880aed09b08 R08: ffffed101524ee9d R09: 0000000000000000 R10: ffffed101524ee9c R11: ffff8880a92774e3 R12: ffff888215d65c00 R13: 0000000000000078 R14: ffff88808ad268c0 R15: ffff88808ad268c0 FS: 0000000002946940(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000007111c8 CR3: 00000000a93c5000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400