Messages in this thread | | | Date | Sun, 19 Aug 2018 21:14:03 -0700 | Subject | WARNING in xfrm_policy_fini | From | syzbot <> |
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Hello,
syzbot found the following crash on:
HEAD commit: 3eb2ce825ea1 Linux 4.16-rc7 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1132989b800000 kernel config: https://syzkaller.appspot.com/x/.config?x=8addcf4530d93e53 dashboard link: https://syzkaller.appspot.com/bug?extid=9bce6db6c82f06b85d8b compiler: gcc (GCC) 7.1.1 20170620
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+9bce6db6c82f06b85d8b@syzkaller.appspotmail.com
bond0 (unregistering): Released all slaves WARNING: CPU: 1 PID: 7312 at net/xfrm/xfrm_policy.c:2925 xfrm_policy_fini+0x414/0x560 net/xfrm/xfrm_policy.c:2925 Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7312 Comm: kworker/u4:7 Not tainted 4.16.0-rc7+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x1f4/0x2b0 lib/bug.c:186 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986 RIP: 0010:xfrm_policy_fini+0x414/0x560 net/xfrm/xfrm_policy.c:2925 RSP: 0018:ffff8801b25d70d8 EFLAGS: 00010293 RAX: ffff8801b129c540 RBX: ffff8801b5608200 RCX: ffffffff8587ff74 RDX: 0000000000000000 RSI: 1ffff100362539c5 RDI: ffffffff87acabf8 RBP: ffff8801b25d7260 R08: 1ffff100364badd1 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff100364bae27 R13: ffff8801b25d7238 R14: ffff8801b56096f0 R15: ffff8801d71c5820 xfrm_net_exit+0x1d/0x70 net/xfrm/xfrm_policy.c:2980 ops_exit_list.isra.6+0xae/0x150 net/core/net_namespace.c:142 cleanup_net+0x6a1/0xcb0 net/core/net_namespace.c:517 process_one_work+0xc47/0x1bb0 kernel/workqueue.c:2113 worker_thread+0x223/0x1990 kernel/workqueue.c:2247 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..
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