Title | Replies (including bot) | Last reply |
---|---|---|
KMSAN: uninit-value in iptable_mangle_hook (3) | 0 (1) | 2018/07/27 13:12 |
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Title | Replies (including bot) | Last reply |
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KMSAN: uninit-value in iptable_mangle_hook (3) | 0 (1) | 2018/07/27 13:12 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KMSAN: uninit-value in iptable_mangle_hook (5) netfilter | 51 | 1245d | 1366d | 0/28 | auto-closed as invalid on 2021/11/12 20:56 | |||
upstream | KMSAN: uninit-value in iptable_mangle_hook netfilter | C | 1134 | 2409d | 2440d | 5/28 | fixed on 2018/05/08 18:30 | ||
upstream | KMSAN: uninit-value in iptable_mangle_hook (4) netfilter | syz | 128 | 1376d | 1831d | 0/28 | closed as invalid on 2021/03/12 07:36 | ||
upstream | KMSAN: kernel-infoleak in _copy_to_iter (7) net | C | 138977 | 656d | 1009d | 22/28 | fixed on 2023/02/24 13:50 |
================================================================== BUG: KMSAN: uninit-value in ipt_mangle_out net/ipv4/netfilter/iptable_mangle.c:64 [inline] BUG: KMSAN: uninit-value in iptable_mangle_hook+0x581/0x730 net/ipv4/netfilter/iptable_mangle.c:84 CPU: 1 PID: 17202 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #92 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+0x32d/0x480 lib/dump_stack.c:113 kmsan_report+0x19f/0x300 mm/kmsan/kmsan.c:923 __msan_warning+0x76/0xc0 mm/kmsan/kmsan_instr.c:416 ipt_mangle_out net/ipv4/netfilter/iptable_mangle.c:64 [inline] iptable_mangle_hook+0x581/0x730 net/ipv4/netfilter/iptable_mangle.c:84 binder: send failed reply for transaction 47, target dead nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0x15c/0x3d0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] __ip_local_out+0x6dc/0x800 net/ipv4/ip_output.c:113 ip_local_out+0xa4/0x1d0 net/ipv4/ip_output.c:122 iptunnel_xmit+0x812/0xd30 net/ipv4/ip_tunnel_core.c:91 ip_tunnel_xmit+0x3943/0x3d90 net/ipv4/ip_tunnel.c:787 __gre_xmit net/ipv4/ip_gre.c:451 [inline] gre_tap_xmit+0x829/0x910 net/ipv4/ip_gre.c:774 __netdev_start_xmit include/linux/netdevice.h:4356 [inline] netdev_start_xmit include/linux/netdevice.h:4365 [inline] xmit_one net/core/dev.c:3252 [inline] dev_hard_start_xmit+0x6dc/0xde0 net/core/dev.c:3268 sch_direct_xmit+0x59b/0x890 net/sched/sch_generic.c:327 qdisc_restart net/sched/sch_generic.c:390 [inline] __qdisc_run+0x1bac/0x3600 net/sched/sch_generic.c:398 qdisc_run include/net/pkt_sched.h:121 [inline] __dev_xmit_skb net/core/dev.c:3447 [inline] __dev_queue_xmit+0x2131/0x3e00 net/core/dev.c:3806 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3871 neigh_resolve_output+0xab7/0xb50 net/core/neighbour.c:1382 neigh_output include/net/neighbour.h:484 [inline] ip_finish_output2+0x141a/0x1560 net/ipv4/ip_output.c:229 ip_finish_output+0xd93/0x10f0 net/ipv4/ip_output.c:317 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip_output+0x55c/0x630 net/ipv4/ip_output.c:405 dst_output include/net/dst.h:444 [inline] ip_local_out+0x164/0x1d0 net/ipv4/ip_output.c:124 iptunnel_xmit+0x812/0xd30 net/ipv4/ip_tunnel_core.c:91 ip_tunnel_xmit+0x3943/0x3d90 net/ipv4/ip_tunnel.c:787 __gre_xmit net/ipv4/ip_gre.c:451 [inline] ipgre_xmit+0xef7/0x1000 net/ipv4/ip_gre.c:705 __netdev_start_xmit include/linux/netdevice.h:4356 [inline] netdev_start_xmit include/linux/netdevice.h:4365 [inline] xmit_one net/core/dev.c:3252 [inline] dev_hard_start_xmit+0x6dc/0xde0 net/core/dev.c:3268 __dev_queue_xmit+0x2d9e/0x3e00 net/core/dev.c:3838 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3871 packet_snd net/packet/af_packet.c:2928 [inline] packet_sendmsg+0x797f/0x9180 net/packet/af_packet.c:2953 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg net/socket.c:631 [inline] ___sys_sendmsg+0xe3b/0x1240 net/socket.c:2116 __sys_sendmsg net/socket.c:2154 [inline] __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg+0x305/0x460 net/socket.c:2161 __x64_sys_sendmsg+0x4a/0x70 net/socket.c:2161 do_syscall_64+0xcf/0x110 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x457569 Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbfd83a5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbfd83a66d4 R13: 00000000004c3f7d R14: 00000000004d6778 R15: 00000000ffffffff Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:258 [inline] kmsan_save_stack mm/kmsan/kmsan.c:273 [inline] kmsan_internal_chain_origin+0x136/0x240 mm/kmsan/kmsan.c:581 __msan_chain_origin+0x6d/0xb0 mm/kmsan/kmsan_instr.c:292 ip_send_check net/ipv4/ip_output.c:93 [inline] __ip_local_out+0x469/0x800 net/ipv4/ip_output.c:102 ip_local_out+0xa4/0x1d0 net/ipv4/ip_output.c:122 iptunnel_xmit+0x812/0xd30 net/ipv4/ip_tunnel_core.c:91 ip_tunnel_xmit+0x3943/0x3d90 net/ipv4/ip_tunnel.c:787 __gre_xmit net/ipv4/ip_gre.c:451 [inline] gre_tap_xmit+0x829/0x910 net/ipv4/ip_gre.c:774 __netdev_start_xmit include/linux/netdevice.h:4356 [inline] netdev_start_xmit include/linux/netdevice.h:4365 [inline] xmit_one net/core/dev.c:3252 [inline] dev_hard_start_xmit+0x6dc/0xde0 net/core/dev.c:3268 sch_direct_xmit+0x59b/0x890 net/sched/sch_generic.c:327 qdisc_restart net/sched/sch_generic.c:390 [inline] __qdisc_run+0x1bac/0x3600 net/sched/sch_generic.c:398 qdisc_run include/net/pkt_sched.h:121 [inline] __dev_xmit_skb net/core/dev.c:3447 [inline] __dev_queue_xmit+0x2131/0x3e00 net/core/dev.c:3806 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3871 neigh_resolve_output+0xab7/0xb50 net/core/neighbour.c:1382 neigh_output include/net/neighbour.h:484 [inline] ip_finish_output2+0x141a/0x1560 net/ipv4/ip_output.c:229 ip_finish_output+0xd93/0x10f0 net/ipv4/ip_output.c:317 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip_output+0x55c/0x630 net/ipv4/ip_output.c:405 dst_output include/net/dst.h:444 [inline] ip_local_out+0x164/0x1d0 net/ipv4/ip_output.c:124 iptunnel_xmit+0x812/0xd30 net/ipv4/ip_tunnel_core.c:91 ip_tunnel_xmit+0x3943/0x3d90 net/ipv4/ip_tunnel.c:787 __gre_xmit net/ipv4/ip_gre.c:451 [inline] ipgre_xmit+0xef7/0x1000 net/ipv4/ip_gre.c:705 __netdev_start_xmit include/linux/netdevice.h:4356 [inline] netdev_start_xmit include/linux/netdevice.h:4365 [inline] xmit_one net/core/dev.c:3252 [inline] dev_hard_start_xmit+0x6dc/0xde0 net/core/dev.c:3268 __dev_queue_xmit+0x2d9e/0x3e00 net/core/dev.c:3838 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3871 packet_snd net/packet/af_packet.c:2928 [inline] packet_sendmsg+0x797f/0x9180 net/packet/af_packet.c:2953 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg net/socket.c:631 [inline] ___sys_sendmsg+0xe3b/0x1240 net/socket.c:2116 __sys_sendmsg net/socket.c:2154 [inline] __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg+0x305/0x460 net/socket.c:2161 __x64_sys_sendmsg+0x4a/0x70 net/socket.c:2161 do_syscall_64+0xcf/0x110 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:258 [inline] kmsan_save_stack mm/kmsan/kmsan.c:273 [inline] kmsan_internal_chain_origin+0x136/0x240 mm/kmsan/kmsan.c:581 kmsan_memcpy_origins+0x13d/0x190 mm/kmsan/kmsan.c:405 __msan_memcpy+0x6f/0x80 mm/kmsan/kmsan_instr.c:242 pskb_expand_head+0x436/0x1d20 net/core/skbuff.c:1470 __skb_cow include/linux/skbuff.h:2948 [inline] skb_cow_head include/linux/skbuff.h:2982 [inline] ip_tunnel_xmit+0x35a3/0x3d90 net/ipv4/ip_tunnel.c:780 __gre_xmit net/ipv4/ip_gre.c:451 [inline] ipgre_xmit+0xef7/0x1000 net/ipv4/ip_gre.c:705 __netdev_start_xmit include/linux/netdevice.h:4356 [inline] netdev_start_xmit include/linux/netdevice.h:4365 [inline] xmit_one net/core/dev.c:3252 [inline] dev_hard_start_xmit+0x6dc/0xde0 net/core/dev.c:3268 __dev_queue_xmit+0x2d9e/0x3e00 net/core/dev.c:3838 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3871 packet_snd net/packet/af_packet.c:2928 [inline] packet_sendmsg+0x797f/0x9180 net/packet/af_packet.c:2953 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg net/socket.c:631 [inline] ___sys_sendmsg+0xe3b/0x1240 net/socket.c:2116 __sys_sendmsg net/socket.c:2154 [inline] __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg+0x305/0x460 net/socket.c:2161 __x64_sys_sendmsg+0x4a/0x70 net/socket.c:2161 do_syscall_64+0xcf/0x110 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:258 [inline] kmsan_internal_poison_shadow+0x68/0x130 mm/kmsan/kmsan.c:181 kmsan_kmalloc+0xa1/0x100 mm/kmsan/kmsan_hooks.c:104 kmsan_slab_alloc+0xe/0x10 mm/kmsan/kmsan_hooks.c:113 slab_post_alloc_hook mm/slab.h:446 [inline] slab_alloc_node mm/slub.c:2765 [inline] __kmalloc_node_track_caller+0xf62/0x14e0 mm/slub.c:4396 __kmalloc_reserve net/core/skbuff.c:138 [inline] __alloc_skb+0x42b/0xeb0 net/core/skbuff.c:206 alloc_skb include/linux/skbuff.h:998 [inline] alloc_skb_with_frags+0x1c9/0xa80 net/core/skbuff.c:5220 sock_alloc_send_pskb+0xeb3/0x14c0 net/core/sock.c:2083 packet_alloc_skb net/packet/af_packet.c:2781 [inline] packet_snd net/packet/af_packet.c:2872 [inline] packet_sendmsg+0x6719/0x9180 net/packet/af_packet.c:2953 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg net/socket.c:631 [inline] ___sys_sendmsg+0xe3b/0x1240 net/socket.c:2116 __sys_sendmsg net/socket.c:2154 [inline] __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg+0x305/0x460 net/socket.c:2161 __x64_sys_sendmsg+0x4a/0x70 net/socket.c:2161 do_syscall_64+0xcf/0x110 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/11/21 19:00 | https://github.com/google/kmsan.git master | 3ededcaa1606 | 9db828b5 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2018/10/05 21:31 | https://github.com/google/kmsan.git master | b2efdb2ef006 | 8b311eaf | .config | console log | report | ci-upstream-kmsan-gce | |||||
2018/10/01 15:10 | https://github.com/google/kmsan.git master | 2b752aff835d | 48a50c6b | .config | console log | report | ci-upstream-kmsan-gce | |||||
2018/09/29 08:09 | https://github.com/google/kmsan.git master | 2b752aff835d | 41e4b329 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2018/07/22 16:31 | https://github.com/google/kmsan.git master | d1c2a46a46f6 | 8cc079c3 | .config | console log | report | ci-upstream-kmsan-gce |