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Message-ID: <CA+ydwtoDwQVg_BWrxxdpUyJ7Up60GtxTCLYe_5vFdV2td_kGhQ@mail.gmail.com> Date: Fri, 29 Aug 2014 18:26:51 +0300 From: Tommi Rantala <tt.rantala@...il.com> To: "David S. Miller" <davem@...emloft.net>, Alexey Kuznetsov <kuznet@....inr.ac.ru>, James Morris <jmorris@...ei.org>, Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>, Patrick McHardy <kaber@...sh.net>, Hannes Frederic Sowa <hannes@...essinduktion.org> Cc: netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, trinity@...r.kernel.org, Dave Jones <davej@...hat.com> Subject: RTNL: assertion failed at net/ipv6/addrconf.c (1699) Hi, Was fuzzing Linus v3.17-rc2-89-g59753a8 with Trinity as the root user in qemu, when I hit the following assertion failures. Tommi [init] Started watchdog process, PID is 4841 [main] Main thread is alive. [ 77.229699] sctp: [Deprecated]: trinity-main (pid 4842) Use of int in max_burst socket option deprecated. [ 77.229699] Use struct sctp_assoc_value instead [ 77.297196] RTNL: assertion failed at net/ipv6/addrconf.c (1699) [ 77.298080] CPU: 0 PID: 4842 Comm: trinity-main Not tainted 3.17.0-rc2+ #30 [ 77.299039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.299789] ffff88003d76a618 ffff880026133c50 ffffffff8238ba79 ffff880037c84520 [ 77.300829] ffff880026133c90 ffffffff820bd52b 0000000000000000 ffffffff82d86c40 [ 77.301869] 0000000000000000 00000000f76fd1e1 ffff8800382d8000 ffff8800382d8220 [ 77.302906] Call Trace: [ 77.303246] [<ffffffff8238ba79>] dump_stack+0x4d/0x66 [ 77.303928] [<ffffffff820bd52b>] addrconf_join_solict+0x4b/0xb0 [ 77.304731] [<ffffffff820b031b>] ipv6_dev_ac_inc+0x2bb/0x330 [ 77.305498] [<ffffffff820b0060>] ? ac6_seq_start+0x260/0x260 [ 77.306257] [<ffffffff820b05fe>] ipv6_sock_ac_join+0x26e/0x360 [ 77.307046] [<ffffffff820b0429>] ? ipv6_sock_ac_join+0x99/0x360 [ 77.307798] [<ffffffff820cdd60>] do_ipv6_setsockopt.isra.5+0xa70/0xf20 [ 77.308570] [<ffffffff8117097d>] ? sched_clock_local+0x1d/0x80 [ 77.309260] [<ffffffff810a8a27>] ? kvm_clock_read+0x27/0x40 [ 77.309915] [<ffffffff810736d9>] ? sched_clock+0x9/0x10 [ 77.310537] [<ffffffff815afff8>] ? sock_has_perm+0x168/0x1e0 [ 77.311204] [<ffffffff81170bb8>] ? sched_clock_cpu+0xa8/0xf0 [ 77.311866] [<ffffffff81170d1b>] ? local_clock+0x1b/0x30 [ 77.312501] [<ffffffff811872cd>] ? lock_release_holdtime+0x1d/0x170 [ 77.313241] [<ffffffff815b0010>] ? sock_has_perm+0x180/0x1e0 [ 77.313905] [<ffffffff815afe90>] ? selinux_msg_queue_alloc_security+0xa0/0xa0 [ 77.314746] [<ffffffff820ce263>] ipv6_setsockopt+0x53/0xb0 [ 77.315397] [<ffffffff820d3135>] udpv6_setsockopt+0x25/0x30 [ 77.316058] [<ffffffff81f9930f>] sock_common_setsockopt+0xf/0x20 [ 77.316764] [<ffffffff81f9305e>] SyS_setsockopt+0x8e/0xd0 [ 77.317406] [<ffffffff823a47e9>] system_call_fastpath+0x16/0x1b [main] 375 sockets created based on info from socket cachefile. [main] Generating file descriptors [main] Added 129 filenames from /dev [main] Added 44048 filenames from /proc [main] Added 18192 filenames from /sys [main] Enabled 9 fd providers. [watchdog] Watchdog is alive. (pid:4841) [child3:4846] finit_module (313) returned ENOSYS, marking as inactive. [child1:4844] kcmp (312) returned ENOSYS, marking as inactive. [child2:4845] uselib (134) returned ENOSYS, marking as inactive. [child1:4844] nfsservctl (180) returned ENOSYS, marking as inactive. [child2:4845] delete_module (129:[32BIT]) returned ENOSYS, marking as inactive. [child2:4845] init_module (175) returned ENOSYS, marking as inactive. [ 84.126609] trinity-c7: vm86 mode not supported on 64 bit kernel [child7:4850] vm86 (166:[32BIT]) returned ENOSYS, marking as inactive. [main] Bailing main loop because ctrl-c. [ 84.345840] RTNL: assertion failed at net/ipv6/addrconf.c (1712) [ 84.346615] CPU: 0 PID: 4842 Comm: trinity-main Not tainted 3.17.0-rc2+ #30 [ 84.347426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 84.348102] ffff88003d76a618 ffff880026133d10 ffffffff8238ba79 ffff8800382d8000 [ 84.349018] ffff880026133d50 ffffffff820bd5db ffffffff81141555 ffff8800382d8220 [ 84.349935] ffff8800382d8000 00000000f76fd1e1 ffff88003d76a618 ffff8800382d8000 [ 84.350848] Call Trace: [ 84.351149] [<ffffffff8238ba79>] dump_stack+0x4d/0x66 [ 84.351751] [<ffffffff820bd5db>] addrconf_leave_solict+0x4b/0xb0 [ 84.352574] [<ffffffff81141555>] ? __local_bh_enable_ip+0xa5/0xf0 [ 84.353315] [<ffffffff820b07b3>] __ipv6_dev_ac_dec+0xc3/0x140 [ 84.354019] [<ffffffff820b08c8>] ipv6_dev_ac_dec+0x98/0xb0 [ 84.354687] [<ffffffff820b0bcd>] ipv6_sock_ac_close+0x10d/0x1a0 [ 84.355410] [<ffffffff820b0aee>] ? ipv6_sock_ac_close+0x2e/0x1a0 [ 84.356147] [<ffffffff820ae9d3>] inet6_release+0x23/0x40 [ 84.356789] [<ffffffff81f91834>] sock_release+0x14/0x80 [ 84.357410] [<ffffffff81f918ad>] sock_close+0xd/0x20 [ 84.358042] [<ffffffff8127fa91>] __fput+0x111/0x1e0 [ 84.358622] [<ffffffff8127fba9>] ____fput+0x9/0x10 [ 84.359196] [<ffffffff8115e3ee>] task_work_run+0x9e/0xd0 [ 84.359825] [<ffffffff8113f4b6>] do_exit+0x456/0xb30 [ 84.360419] [<ffffffff823a541c>] ? retint_swapgs+0x13/0x1b [ 84.361075] [<ffffffff8113fc54>] do_group_exit+0x84/0xd0 [ 84.361705] [<ffffffff8113fcaf>] SyS_exit_group+0xf/0x10 [ 84.362338] [<ffffffff823a47e9>] system_call_fastpath+0x16/0x1b [watchdog] [4841] Watchdog exiting because ctrl-c. [init] Ran 775 syscalls. Successes: 179 Failures: 596 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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