rdma_op 000000000a9e2030 conn xmit_rdma (null) rdma_op 00000000b19964fa conn xmit_rdma (null) ------------[ cut here ]------------ kernel BUG at net/ipv6/route.c:1260! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 15089 Comm: syz-executor0 Not tainted 4.20.0+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop2' (00000000585639f4): kobject_uevent_env RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1260 [inline] RIP: 0010:ip6_pol_route+0x82f/0x1490 net/ipv6/route.c:1893 Code: 48 03 1c c5 60 70 55 89 be 08 00 00 00 48 89 df e8 66 de f1 fa 31 c0 f0 4c 0f b1 3b 48 85 c0 0f 84 b3 fb ff ff e8 d1 c0 ae fa <0f> 0b e8 ca c0 ae fa e8 c5 8b 99 fa 31 ff 89 c6 88 85 c8 fe ff ff RSP: 0018:ffff88805cde6488 EFLAGS: 00010212 kobject: 'loop2' (00000000585639f4): fill_kobj_path: path = '/devices/virtual/block/loop2' RAX: 0000000000040000 RBX: ffffe8ffffd2e118 RCX: ffffc90005df9000 RDX: 000000000000ead4 RSI: ffffffff86d2e53f RDI: ffffe8ffffd2e118 RBP: ffff88805cde65d0 R08: 1ffffd1ffffa5c23 R09: fffff91ffffa5c24 R10: fffff91ffffa5c23 R11: ffffe8ffffd2e11f R12: ffff8880a779d500 kobject: 'loop5' (0000000037d41da6): kobject_uevent_env R13: 0000000000000001 R14: ffff88805cde65a8 R15: ffff8880824cddc0 kobject: 'loop5' (0000000037d41da6): fill_kobj_path: path = '/devices/virtual/block/loop5' FS: 00007fe6b59ae700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000940004 CR3: 0000000092854000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip6_pol_route_output+0x54/0x70 net/ipv6/route.c:2066 fib6_rule_lookup+0x12f/0x870 net/ipv6/fib6_rules.c:118 ip6_route_output_flags+0x2c4/0x350 net/ipv6/route.c:2095 ip6_route_output include/net/ip6_route.h:88 [inline] ip6_dst_lookup_tail+0xe18/0x1d50 net/ipv6/ip6_output.c:958 ip6_dst_lookup_flow+0xca/0x270 net/ipv6/ip6_output.c:1086 sctp_v6_get_dst+0x7d5/0x2240 net/sctp/ipv6.c:294 sctp_transport_route+0x132/0x370 net/sctp/transport.c:311 sctp_assoc_add_peer+0x5f7/0x10e0 net/sctp/associola.c:678 sctp_process_param net/sctp/sm_make_chunk.c:2543 [inline] sctp_process_init+0xe63/0x2910 net/sctp/sm_make_chunk.c:2356 kobject: 'loop3' (000000007a055df1): kobject_uevent_env kobject: 'loop3' (000000007a055df1): fill_kobj_path: path = '/devices/virtual/block/loop3' sctp_cmd_process_init net/sctp/sm_sideeffect.c:682 [inline] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1410 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline] sctp_do_sm+0x1a58/0x7020 net/sctp/sm_sideeffect.c:1191 kobject: 'loop4' (0000000004438d3b): kobject_uevent_env kobject: 'loop4' (0000000004438d3b): fill_kobj_path: path = '/devices/virtual/block/loop4' sctp_assoc_bh_rcv+0x343/0x660 net/sctp/associola.c:1074 sctp_inq_push+0x288/0x3a0 net/sctp/inqueue.c:95 sctp_backlog_rcv+0x196/0xd30 net/sctp/input.c:354 kobject: 'loop4' (0000000004438d3b): kobject_uevent_env sk_backlog_rcv include/net/sock.h:932 [inline] __release_sock+0x12e/0x3a0 net/core/sock.c:2284 release_sock+0xac/0x2b0 net/core/sock.c:2797 kobject: 'loop4' (0000000004438d3b): fill_kobj_path: path = '/devices/virtual/block/loop4' sctp_wait_for_connect+0x3ab/0x600 net/sctp/socket.c:8751 __sctp_connect+0xba2/0xd90 net/sctp/socket.c:1241 kobject: 'loop4' (0000000004438d3b): kobject_uevent_env kobject: 'loop4' (0000000004438d3b): fill_kobj_path: path = '/devices/virtual/block/loop4' __sctp_setsockopt_connectx+0x133/0x1a0 net/sctp/socket.c:1349 sctp_setsockopt_connectx_old net/sctp/socket.c:1365 [inline] sctp_setsockopt net/sctp/socket.c:4380 [inline] sctp_setsockopt+0x22c2/0x6f80 net/sctp/socket.c:4344 kobject: 'loop4' (0000000004438d3b): kobject_uevent_env kobject: 'loop4' (0000000004438d3b): fill_kobj_path: path = '/devices/virtual/block/loop4' Enabling of bearer rejected, illegal name kobject: 'loop2' (00000000585639f4): kobject_uevent_env kobject: 'loop2' (00000000585639f4): fill_kobj_path: path = '/devices/virtual/block/loop2' sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2986 __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1902 kobject: 'loop5' (0000000037d41da6): kobject_uevent_env kobject: 'loop5' (0000000037d41da6): fill_kobj_path: path = '/devices/virtual/block/loop5' __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe6b59adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457ec9 RDX: 000000000000006b RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 000000000000001c R09: 0000000000000000 R10: 000000002055bfe4 R11: 0000000000000246 R12: 00007fe6b59ae6d4 R13: 00000000004cc708 R14: 00000000004da180 R15: 00000000ffffffff Modules linked in: ---[ end trace 375961e2b9aa0ef9 ]--- RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1260 [inline] RIP: 0010:ip6_pol_route+0x82f/0x1490 net/ipv6/route.c:1893 Code: 48 03 1c c5 60 70 55 89 be 08 00 00 00 48 89 df e8 66 de f1 fa 31 c0 f0 4c 0f b1 3b 48 85 c0 0f 84 b3 fb ff ff e8 d1 c0 ae fa <0f> 0b e8 ca c0 ae fa e8 c5 8b 99 fa 31 ff 89 c6 88 85 c8 fe ff ff RSP: 0018:ffff88805cde6488 EFLAGS: 00010212 RAX: 0000000000040000 RBX: ffffe8ffffd2e118 RCX: ffffc90005df9000 RDX: 000000000000ead4 RSI: ffffffff86d2e53f RDI: ffffe8ffffd2e118 RBP: ffff88805cde65d0 R08: 1ffffd1ffffa5c23 R09: fffff91ffffa5c24 R10: fffff91ffffa5c23 R11: ffffe8ffffd2e11f R12: ffff8880a779d500 R13: 0000000000000001 R14: ffff88805cde65a8 R15: ffff8880824cddc0 FS: 00007fe6b59ae700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000940004 CR3: 0000000092854000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400