On Mon, 2017-01-30 at 20:36 +0900, Tetsuo Handa wrote: > Hello. > > I'm hitting this with linux-next-20170125. Is this known? > ---------------------------------------- > [ OK ] Started Show Plymouth Reboot Screen. > > [ OK ] Stopped PostgreSQL database server. > > [ OK ] Stopped Dynamic System Tuning Daemon. > > [ OK ] Stopped target Network. > > Stopping LSB: Bring up/down networking... > > [ 828.169782] BUG: unable to handle kernel NULL pointer dereference at > 00000000000002a4 > [ 828.172557] IP: rt6_fill_node.isra.60+0x181/0x5c0 > [ 828.174211] PGD 0 > [ 828.174212] > [ 828.175467] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC > [ 828.177068] Modules linked in: nf_conntrack_netbios_ns > nf_conntrack_broadcast ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT > nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute > bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 > ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 > nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter > ebtables ip6table_filter ip6_tables iptable_filter coretemp vmw_balloon > pcspkr vmw_vmci i2c_piix4 shpchp ip_tables xfs libcrc32c sr_mod cdrom > ata_generic sd_mod pata_acpi serio_raw vmwgfx drm_kms_helper syscopyarea > sysfillrect sysimgblt mptspi fb_sys_fops scsi_transport_spi ttm ata_piix > mptscsih drm i2c_core e1000 mptbase libata > [ 828.200197] CPU: 3 PID: 539 Comm: NetworkManager Not tainted > 4.10.0-rc5-next-20170125+ #45 > [ 828.203094] Hardware name: VMware, Inc. VMware Virtual Platform/440BX > Desktop Reference Platform, BIOS 6.00 07/31/2013 > [ 828.206835] task: ffff88006f984100 task.stack: ffffc90005afc000 > [ 828.208934] RIP: 0010:rt6_fill_node.isra.60+0x181/0x5c0 > [ 828.210701] RSP: 0018:ffffc90005aff938 EFLAGS: 00010246 > [ 828.212485] RAX: 0000000000000000 RBX: ffff88006c71ae00 RCX: > 0000000000000000 > [ 828.214933] RDX: 0000000000000000 RSI: ffffc90005aff95c RDI: > ffff880071773ee0 > [ 828.217394] RBP: ffffc90005aff9e0 R08: 0000000000000000 R09: > 0000000000000004 > [ 828.219945] R10: ffff880071773ee4 R11: 0000000000000000 R12: > ffff880071983f00 > [ 828.222381] R13: 0000000000000000 R14: 0000000000000000 R15: > ffff880071773ec0 > [ 828.224920] FS: 00007ffaa9733940(0000) GS:ffff880075800000(0000) > knlGS:0000000000000000 > [ 828.227664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 828.229670] CR2: 00000000000002a4 CR3: 0000000071269000 CR4: > 00000000001406e0 > [ 828.232149] Call Trace: > [ 828.232998] ? slab_kernel_map+0xa0/0x130 > [ 828.234468] rt6_dump_route+0x60/0x70 > [ 828.235717] fib6_dump_node+0x2e/0x60 > [ 828.237005] fib6_walk_continue+0x124/0x140 > [ 828.238425] fib6_walk+0x64/0x90 > [ 828.239567] ? _raw_read_lock_bh+0x6e/0x80 > [ 828.240962] inet6_dump_fib+0x237/0x370 > [ 828.242309] ? inet6_dump_fib+0x4b/0x370 > [ 828.243646] netlink_dump+0x126/0x280 > [ 828.244963] __netlink_dump_start+0x16f/0x210 > [ 828.246464] ? fib6_flush_trees+0x40/0x40 > [ 828.247848] rtnetlink_rcv_msg+0x13b/0x230 > [ 828.249275] ? fib6_flush_trees+0x40/0x40 > [ 828.250641] ? rtnl_newlink+0x880/0x880 > [ 828.252021] netlink_rcv_skb+0x99/0xb0 > [ 828.253399] rtnetlink_rcv+0x25/0x30 > [ 828.254646] netlink_unicast+0x16d/0x200 > [ 828.255982] netlink_sendmsg+0x36b/0x390 > [ 828.257348] ___sys_sendmsg+0x1c9/0x2c0 > [ 828.259271] ? ___cache_free+0x14a/0x5b0 > [ 828.261112] ? __fget+0x117/0x210 > [ 828.262777] ? expand_files+0x2e0/0x2e0 > [ 828.264657] __sys_sendmsg+0x4f/0x90 > [ 828.266399] SyS_sendmsg+0xd/0x20 > [ 828.268042] do_syscall_64+0x67/0x1f0 > [ 828.269810] entry_SYSCALL64_slow_path+0x25/0x25 > [ 828.271885] RIP: 0033:0x7ffaa7f639fd > [ 828.273594] RSP: 002b:00007ffc0e0c13b0 EFLAGS: 00000293 ORIG_RAX: > 000000000000002e > [ 828.276704] RAX: ffffffffffffffda RBX: 000055f219737bd0 RCX: > 00007ffaa7f639fd > [ 828.279712] RDX: 0000000000000000 RSI: 00007ffc0e0c1460 RDI: > 000000000000000c > [ 828.282623] RBP: 000055f219737ae0 R08: 0000000000000001 R09: > 0000000000001000 > [ 828.286019] R10: 0000000000000063 R11: 0000000000000293 R12: > 000055f21977e4f0 > [ 828.288921] R13: 00007ffc0e0c1460 R14: 0000000000000000 R15: > 000055f21977e4f0 > [ 828.291766] Code: c7 47 18 00 00 00 00 48 8b 43 18 48 8b 50 48 83 e2 01 74 > 08 48 8b 40 48 a8 04 74 21 41 c7 47 18 10 00 00 00 48 8b 83 58 01 00 00 <8b> > 88 a4 02 00 00 85 c9 74 08 41 c7 47 18 11 00 00 00 41 c6 47 > [ 828.299024] RIP: rt6_fill_node.isra.60+0x181/0x5c0 RSP: ffffc90005aff938 > [ 828.301732] CR2: 00000000000002a4
Hi Tetsuo, thanks for the report. Fix was sent few days back : https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=1f17e2f2c8a8be3430813119fa7b633398f6185b
