Re: [PATCH] tty_io: fix race in master pty close/slave pty close path

From: Aristeu Sergio Rozanski Filho
Date: Thu Feb 22 2007 - 15:00:33 EST

> Would another possible trace look like this?
> idr_remove called for id=1 which is not allocated.
> [<c0403f10>] dump_trace+0x69/0x1af
> [<c040406e>] show_trace_log_lvl+0x18/0x2c
> [<c04045e9>] show_trace+0xf/0x11
> [<c0404673>] dump_stack+0x15/0x17
> [<c04d3fcb>] idr_remove+0xe2/0x143
> [<c051ee50>] release_dev+0x63b/0x652
> [<c051ee6e>] tty_release+0x7/0xa
> [<c0461b2e>] __fput+0xba/0x178
> [<c045f466>] filp_close+0x52/0x59

yeap, this patch may fix these too. Will build a test kernel with the
patch included and hand over to reporters to test.


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