Repository files (latest commit first)

Filename	Latest commit message	Latest commit date
Eric Dumazet 16dcfde98a ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path ... [ Upstream commit 5611a00697c8ecc5aad04392bea629e9d6a20463 ] ip[6]mr_free_table() can only be called under RTNL lock. RTNL: assertion failed at net/core/dev.c (10367) WARNING: CPU: 1 PID: 5890 at net/core/dev.c:10367 unregister_netdevice_many+0x1246/0x1850 net/core/dev.c:10367 Modules linked in: CPU: 1 PID: 5890 Comm: syz-executor.2 Not tainted 5.16.0-syzkaller-11627-g422ee58dc0ef #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unregister_netdevice_many+0x1246/0x1850 net/core/dev.c:10367 Code: 0f 85 9b ee ff ff e8 69 07 4b fa ba 7f 28 00 00 48 c7 c6 00 90 ae 8a 48 c7 c7 40 90 ae 8a c6 05 6d b1 51 06 01 e8 8c 90 d8 01 <0f> 0b e9 70 ee ff ff e8 3e 07 4b fa 4c 89 e7 e8 86 2a 59 fa e9 ee RSP: 0018:ffffc900046ff6e0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888050f51d00 RSI: ffffffff815fa008 RDI: fffff520008dfece RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815f3d6e R11: 0000000000000000 R12: 00000000fffffff4 R13: dffffc0000000000 R14: ffffc900046ff750 R15: ffff88807b7dc000 FS: 00007f4ab736e700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fee0b4f8990 CR3: 000000001e7d2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> mroute_clean_tables+0x244/0xb40 net/ipv6/ip6mr.c:1509 ip6mr_free_table net/ipv6/ip6mr.c:389 [inline] ip6mr_rules_init net/ipv6/ip6mr.c:246 [inline] ip6mr_net_init net/ipv6/ip6mr.c:1306 [inline] ip6mr_net_init+0x3f0/0x4e0 net/ipv6/ip6mr.c:1298 ops_init+0xaf/0x470 net/core/net_namespace.c:140 setup_net+0x54f/0xbb0 net/core/net_namespace.c:331 copy_net_ns+0x318/0x760 net/core/net_namespace.c:475 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 copy_namespaces+0x391/0x450 kernel/nsproxy.c:178 copy_process+0x2e0c/0x7300 kernel/fork.c:2167 kernel_clone+0xe7/0xab0 kernel/fork.c:2555 __do_sys_clone+0xc8/0x110 kernel/fork.c:2672 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f4ab89f9059 Code: Unable to access opcode bytes at RIP 0x7f4ab89f902f. RSP: 002b:00007f4ab736e118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f4ab8b0bf60 RCX: 00007f4ab89f9059 RDX: 0000000020000280 RSI: 0000000020000270 RDI: 0000000040200000 RBP: 00007f4ab8a5308d R08: 0000000020000300 R09: 0000000020000300 R10: 00000000200002c0 R11: 0000000000000206 R12: 0000000000000000 R13: 00007ffc3977cc1f R14: 00007f4ab736e300 R15: 0000000000022000 </TASK> Fixes: f243e5a785 ("ipmr,ip6mr: call ip6mr_free_table() on failure path") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Cong Wang <cong.wang@bytedance.com> Reported-by: syzbot <syzkaller@googlegroups.com> Link: https://lore.kernel.org/r/20220208053451.2885398-1-eric.dumazet@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-02-16 12:52:51 +01:00
..
ila
netfilter	netfilter: ip6_tables: zero-initialize fragment offset	2021-10-17 10:42:33 +02:00
addrconf.c	gre/sit: Don't generate link-local addr if addr_gen_mode is IN6_ADDR_GEN_MODE_NONE	2021-11-17 09:48:32 +01:00
addrconf_core.c
addrlabel.c
af_inet6.c	net: ipv6: add fib6_nh_release_dsts stub	2021-12-01 09:23:33 +01:00
ah6.c
anycast.c
calipso.c
datagram.c
esp6.c	xfrm: xfrm_state_mtu should return at least 1280 for ipv6	2021-07-14 16:53:26 +02:00
esp6_offload.c
exthdrs.c	ipv6: fix out-of-bound access in ip6_parse_tlv()	2021-07-14 16:53:33 +02:00
exthdrs_core.c
exthdrs_offload.c
fib6_notifier.c
fib6_rules.c	ipv6: fix memory leak in fib6_rule_suppress	2021-12-08 09:01:13 +01:00
fou6.c
icmp.c
inet6_connection_sock.c
inet6_hashtables.c	net: prefer socket bound to interface when not in VRF	2021-10-13 10:08:20 +02:00
ip6_checksum.c
ip6_fib.c	ipv6: annotate accesses to fn->fn_sernum	2022-02-01 17:24:38 +01:00
ip6_flowlabel.c
ip6_gre.c	xfrm: fix policy lookup for ipv6 gre packets	2022-01-27 09:19:50 +01:00
ip6_icmp.c
ip6_input.c
ip6_offload.c
ip6_offload.h
ip6_output.c	ipv6: fix typos in __ip6_finish_output()	2021-12-01 09:23:32 +01:00
ip6_tunnel.c	ipv6_tunnel: Rate limit warning messages	2022-02-01 17:24:36 +01:00
ip6_udp_tunnel.c
ip6_vti.c	ip6_vti: initialize __ip6_tnl_parm struct in vti6_siocdevprivate	2022-01-11 15:23:33 +01:00
ip6mr.c	ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path	2022-02-16 12:52:51 +01:00
ipcomp6.c
ipv6_sockglue.c
Kconfig
Makefile
mcast.c
mcast_snoop.c
mip6.c
ndisc.c
netfilter.c
output_core.c	ipv6: use prandom_u32() for ID generation	2021-07-19 08:53:09 +02:00
ping.c
proc.c
protocol.c
raw.c
reassembly.c
route.c	ipv6: annotate accesses to fn->fn_sernum	2022-02-01 17:24:38 +01:00
seg6.c
seg6_hmac.c
seg6_iptunnel.c	seg6: fix the iif in the IPv6 socket control block	2021-12-14 14:49:00 +01:00
seg6_local.c
sit.c	sit: do not call ipip6_dev_free() from sit_init_net()	2021-12-22 09:29:38 +01:00
syncookies.c
sysctl_net_ipv6.c
tcp_ipv6.c	ipv6: tcp: drop silly ICMPv6 packet too big messages	2021-07-25 14:35:15 +02:00
tcpv6_offload.c
tunnel6.c
udp.c	udp: using datalen to cap ipv6 udp max gso segments	2022-01-05 12:37:44 +01:00
udp_impl.h
udp_offload.c
udplite.c
xfrm6_input.c
xfrm6_output.c	net: ipv6: fix return value of ip6_skb_dst_mtu	2021-07-25 14:35:14 +02:00
xfrm6_policy.c
xfrm6_protocol.c
xfrm6_state.c
xfrm6_tunnel.c