ceph: device name is missing path (no : separator in ./file0) ================================================================== BUG: KMSAN: uninit-value in slab_alloc_node mm/slub.c:2704 [inline] BUG: KMSAN: uninit-value in __kmalloc_node_track_caller+0x667/0x1160 mm/slub.c:4352 CPU: 1 PID: 24076 Comm: syz-executor5 Not tainted 4.19.0-rc1+ #38 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x14b/0x190 lib/dump_stack.c:113 kmsan_report+0x183/0x2b0 mm/kmsan/kmsan.c:956 __msan_warning+0x70/0xc0 mm/kmsan/kmsan_instr.c:645 slab_alloc_node mm/slub.c:2704 [inline] __kmalloc_node_track_caller+0x667/0x1160 mm/slub.c:4352 __kmalloc_reserve net/core/skbuff.c:138 [inline] __alloc_skb+0x2f5/0x9e0 net/core/skbuff.c:206 alloc_skb include/linux/skbuff.h:996 [inline] sctp_packet_transmit+0x458/0x4490 net/sctp/output.c:593 sctp_packet_singleton net/sctp/outqueue.c:791 [inline] sctp_outq_flush_ctrl net/sctp/outqueue.c:922 [inline] sctp_outq_flush+0x93a/0x5630 net/sctp/outqueue.c:1204 sctp_outq_uncork+0xd0/0xf0 net/sctp/outqueue.c:776 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1349 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline] sctp_do_sm+0x3dbc/0x8d80 net/sctp/sm_sideeffect.c:1191 sctp_endpoint_bh_rcv+0xd4f/0xff0 net/sctp/endpointola.c:456 sctp_inq_push+0x304/0x430 net/sctp/inqueue.c:95 sctp_rcv+0x435f/0x4cc0 net/sctp/input.c:268 sctp6_rcv+0x41/0x70 net/sctp/ipv6.c:1061 ip6_input_finish+0xa4f/0x2230 net/ipv6/ip6_input.c:383 NF_HOOK include/linux/netfilter.h:287 [inline] ip6_input+0x290/0x320 net/ipv6/ip6_input.c:426 dst_input include/net/dst.h:450 [inline] ip6_rcv_finish+0x4d2/0x710 net/ipv6/ip6_input.c:76 NF_HOOK include/linux/netfilter.h:287 [inline] ipv6_rcv+0x32c/0x3c0 net/ipv6/ip6_input.c:271 __netif_receive_skb_one_core net/core/dev.c:4892 [inline] __netif_receive_skb net/core/dev.c:5002 [inline] process_backlog+0x752/0x10b0 net/core/dev.c:5808 napi_poll net/core/dev.c:6228 [inline] net_rx_action+0x723/0x19d0 net/core/dev.c:6294 __do_softirq+0x562/0x948 kernel/softirq.c:292 do_softirq_own_stack+0x49/0x80 arch/x86/entry/entry_64.S:1055 do_softirq kernel/softirq.c:336 [inline] __local_bh_enable_ip+0x119/0x150 kernel/softirq.c:189 local_bh_enable+0x36/0x40 include/linux/bottom_half.h:32 rcu_read_unlock_bh include/linux/rcupdate.h:723 [inline] ip6_finish_output2+0x1f41/0x2130 net/ipv6/ip6_output.c:121 ip6_finish_output+0xaf3/0xbb0 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:276 [inline] ip6_output+0x572/0x6a0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] ip6_xmit+0x1e9a/0x2370 net/ipv6/ip6_output.c:277 sctp_v6_xmit+0x565/0x640 net/sctp/ipv6.c:230 sctp_packet_transmit+0x4007/0x4490 net/sctp/output.c:650 sctp_packet_singleton net/sctp/outqueue.c:791 [inline] sctp_outq_flush_ctrl net/sctp/outqueue.c:922 [inline] sctp_outq_flush+0x93a/0x5630 net/sctp/outqueue.c:1204 sctp_outq_uncork+0xd0/0xf0 net/sctp/outqueue.c:776 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1820 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline] sctp_do_sm+0x8738/0x8d80 net/sctp/sm_sideeffect.c:1191 sctp_primitive_ASSOCIATE+0x172/0x1a0 net/sctp/primitive.c:88 sctp_sendmsg_to_asoc+0x18d0/0x2720 net/sctp/socket.c:1942 sctp_sendmsg+0x3f08/0x6090 net/sctp/socket.c:2130 inet_sendmsg+0x49a/0x740 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg net/socket.c:631 [inline] __sys_sendto+0x868/0xa30 net/socket.c:1786 __do_sys_sendto net/socket.c:1798 [inline] __se_sys_sendto net/socket.c:1794 [inline] __x64_sys_sendto+0x1a1/0x210 net/socket.c:1794 do_syscall_64+0x15b/0x220 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x457089 Code: fd b4 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa5a575fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fa5a57606d4 RCX: 0000000000457089 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00000000009300a0 R08: 000000002005ffe4 R09: 000000000000001c R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d4678 R14: 00000000004c8ded R15: 0000000000000000 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:256 [inline] kmsan_internal_poison_shadow+0xb8/0x1b0 mm/kmsan/kmsan.c:181 kmsan_kmalloc+0x98/0x100 mm/kmsan/kmsan_hooks.c:91 kmsan_slab_alloc+0x10/0x20 mm/kmsan/kmsan_hooks.c:100 slab_post_alloc_hook mm/slab.h:446 [inline] slab_alloc_node mm/slub.c:2719 [inline] __kmalloc_node_track_caller+0x9e7/0x1160 mm/slub.c:4352 __kmalloc_reserve net/core/skbuff.c:138 [inline] __alloc_skb+0x2f5/0x9e0 net/core/skbuff.c:206 alloc_skb include/linux/skbuff.h:996 [inline] netlink_dump+0x21a/0x1500 net/netlink/af_netlink.c:2208 netlink_recvmsg+0xd9b/0x1860 net/netlink/af_netlink.c:1991 sock_recvmsg_nosec+0x10a/0x140 net/socket.c:794 ___sys_recvmsg+0x426/0xa60 net/socket.c:2276 __sys_recvmmsg+0x58e/0xe80 net/socket.c:2388 do_sys_recvmmsg+0x2a2/0x3e0 net/socket.c:2469 __do_sys_recvmmsg net/socket.c:2482 [inline] __se_sys_recvmmsg net/socket.c:2478 [inline] __x64_sys_recvmmsg+0x15d/0x1c0 net/socket.c:2478 do_syscall_64+0x15b/0x220 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 ==================================================================