In-Reply-To: <[EMAIL PROTECTED]> On Fri, 02 Sep 2005 at 22:25:40 -0600, Christopher Friesen wrote:
> One thing I > don't understand--the function makes calls to other functions including > printk(), but I don't see those calls listed in the disassembly. Calls to external functions whose address is not known at compile time look like this (using 'objdump -d' on my 2.6.10 kernel:) 19fd: e8 fc ff ff ff call 19fe <filp_close+0x4e> e8 is call relative with 32-bit displacement from start of next instruction. The displacement points right back at itself (fffffffc == -4) > EIP is at filp_close+0x64/0xa0 Here: > 0x00001ac4 <filp_close+100>: mov 0x2c(%eax),%edx <============ > 0x00001ac7 <filp_close+103>: test %edx,%edx > 0x00001ac9 <filp_close+105>: je 0x1a93 <filp_close+51> eax is f88ad500 and your illegal access was at f88ad52c Looks like filp->fops points to unallocated memory and it dies while trying to access filp->fops->flush here: if (filp->f_op && filp->f_op->flush) { __ Chuck - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/