* idr_remove called for id=4096 which is not allocated
@ 2013-02-19 17:40 Tommi Rantala
0 siblings, 0 replies; only message in thread
From: Tommi Rantala @ 2013-02-19 17:40 UTC (permalink / raw)
To: David Airlie, dri-devel; +Cc: Dave Jones, Sasha Levin, LKML
Hello,
Saw this WARNING a few times while fuzzing the kernel with Trinity in
a qemu virtual machine:
[ 22.883257] idr_remove called for id=4096 which is not allocated.
[ 22.884487] Pid: 2303, comm: trinity-child1 Not tainted 3.8.0+ #87
[ 22.885601] Call Trace:
[ 22.886080] [<ffffffff8134b111>] idr_remove+0x131/0x1f0
[ 22.887107] [<ffffffff8143c678>] drm_ctxbitmap_free+0x38/0x50
[ 22.888158] [<ffffffff8143cbd3>] drm_rmctx+0x63/0x100
[ 22.889091] [<ffffffff8143d710>] drm_ioctl+0x3d0/0x4d0
[ 22.890034] [<ffffffff8143cb70>] ? drm_newctx+0xb0/0xb0
[ 22.890970] [<ffffffff812fb640>] ? avc_has_perm_flags+0x1d0/0x2a0
[ 22.892127] [<ffffffff812fb498>] ? avc_has_perm_flags+0x28/0x2a0
[ 22.893218] [<ffffffff810f5b18>] ? trace_hardirqs_off_caller+0x28/0xd0
[ 22.894401] [<ffffffff810f5bcd>] ? trace_hardirqs_off+0xd/0x10
[ 22.895461] [<ffffffff811b5ff2>] do_vfs_ioctl+0x532/0x580
[ 22.896447] [<ffffffff812fc7d3>] ? file_has_perm+0x83/0xa0
[ 22.897453] [<ffffffff811b609d>] sys_ioctl+0x5d/0xa0
[ 22.898429] [<ffffffff813571de>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 22.899629] [<ffffffff81ca07e9>] system_call_fastpath+0x16/0x1b
Tommi
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2013-02-19 17:40 idr_remove called for id=4096 which is not allocated Tommi Rantala
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