Re: [patch 2.6.12-rc3] dell_rbu: Resubmitting patch for new Dell BIOS update driver

Andrew Morton
2005-06-20T00:37:05Z

This patch causes my x86_64 box to oops during udev startup:

Starting udev: Unable to handle kernel NULL pointer dereference at 0000000000000040 RIP:
<ffffffff801a807c>{sysfs_readdir+350}
PGD 17be07067 PUD 17add5067 PMD 0
Oops: 0000 [1] PREEMPT SMP
CPU 2
Modules linked in:
Pid: 27686, comm: udevstart Not tainted 2.6.12-mm1
RIP: 0010:[<ffffffff801a807c>] <ffffffff801a807c>{sysfs_readdir+350}
RSP: 0018:ffff81017adc5ea8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff81017ceb18d0 RCX: 0000000000000007
RDX: ffffffff80184516 RSI: ffff81017adc5f38 RDI: ffff81017b45d41c
RBP: ffff81017aa5cd50 R08: 0000000000015bc0 R09: 000000302062d6b8
R10: 000000302062d6b8 R11: 0000000000000246 R12: ffff81017ceb18c8
R13: ffff81017fc663a0 R14: ffff81017edfaa70 R15: ffff81017b45d414
FS: 00002aaaaaadcde0(0000) GS:ffffffff805a0780(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000040 CR3: 000000017f2d5000 CR4: 00000000000006e0
Process udevstart (pid: 27686, threadinfo ffff81017adc4000, task ffff81017cb77030)
Stack: 0000000700000246 ffffffff80184516 ffff81017adc5f38 ffff81017edfaa70
ffff81017fc67860 00000000fffffffe ffff81017fc67928 ffffffff80184516
ffff81017adc5f38 ffffffff8018427a
Call Trace:<ffffffff80184516>{filldir64+0} <ffffffff80184516>{filldir64+0}
<ffffffff8018427a>{vfs_readdir+126} <ffffffff80184643>{sys_getdents64+116}
<ffffffff80171969>{sys_close+132} <ffffffff8010d9e2>{system_call+126}

Code: 48 8b 40 40 eb 11 48 8b 3d 4f eb 3d 00 be 02 00 00 00 e8 86