[Bug 44599] IDE crash on inserting PCMCIA IDE device

[Paul Sladen]

Public bug reported:

IDE crash upon inserting PCMCIA IDE reader, inside rescan_partitions():

EIP:    0060:[<c01a2b70>]    Not tainted VLI
EFLAGS: 00210282   (2.6.15-21-386)
EIP is at create_dir+0x10/0x1c0
eax: db2df448   ebx: c8856750   ecx: c8856750   edx: 00000000
esi: c8856750   edi: dad3ec10   ebp: db1239d8   esp: db1239b0
ds: 007b   es: 007b   ss: 0068
Process pccardd (pid: 3190, threadinfo=db122000 task=dacca550)
Stack: dad3eb80 c8856750 c8856750 dad3ec10 dad3eb80 c01a2d68 c8856750 db2df448
       c8856754 db1239d8 00000000 c8856750 c01d9972 c8856750 c8856750 c8856740
       c01d9bd1 c8856750 c8856750 c8856740 dad3ec18 c01d9c56 c8856750 c8856750
Call Trace:
 [<c01a2d68>] sysfs_create_dir+0x28/0x70
 [<c01d9972>] create_dir+0x12/0x50
 [<c01d9bd1>] kobject_add+0x71/0xe0
 [<c01d9c56>] kobject_register+0x16/0x60
 [<c019c04c>] add_partition+0xac/0xd0
 [<c019c248>] rescan_partitions+0xe8/0x140
 [<c0168679>] do_open+0x309/0x370
 [<c0168748>] blkdev_get+0x68/0x80
 [<c019c149>] register_disk+0x99/0xb0
 [<c01cf97e>] add_disk+0x2e/0x40
 [<c01cf920>] exact_match+0x0/0x10
 [<c01cf930>] exact_lock+0x0/0x20
 [<e045a1ca>] ide_disk_probe+0x10a/0x13f [ide_disk]
 [<c0243aeb>] driver_probe_device+0x3b/0xc0
 [<c0243b70>] __device_attach+0x0/0x10
 [<c02432e8>] bus_for_each_drv+0x48/0x80
 [<c0243bd4>] device_attach+0x54/0x60
 [<c0243b70>] __device_attach+0x0/0x10
 [<c0243421>] bus_add_device+0x21/0xa0
 [<c024241d>] device_add+0xdd/0x140
 [<c025543b>] probe_hwif_init_with_fixup+0x6b/0x90
 [<c024e759>] ide_register_hw_with_fixup+0x189/0x1a0
 [<c0254e70>] ide_undecoded_slave+0x0/0xa0
 [<e03fc1cf>] idecs_register+0x6f/0xb0 [ide_cs]
 [<c0254e70>] ide_undecoded_slave+0x0/0xa0
 [<e03fc707>] ide_config+0x4f7/0x620 [ide_cs]
 [<e03218ef>] pccard_read_tuple+0x4f/0xa0 [pcmcia_core]
 [<e03fc96a>] ide_event+0xda/0xe0 [ide_cs]
 [<e042560c>] pcmcia_register_client+0x1dc/0x2c0 [pcmcia]
 [<c01a2b00>] init_dir+0x0/0x20
 [<c017a221>] alloc_inode+0x181/0x1a0
 [<c017a186>] alloc_inode+0xe6/0x1a0
 [<c01a2b00>] init_dir+0x0/0x20
 [<c017ab86>] new_inode+0x16/0x90
 [<c01490e1>] kzalloc+0x11/0x40
 [<e03fc083>] ide_attach+0x83/0xc0 [ide_cs]
 [<c01d9dd2>] kobject_get+0x12/0x20
 [<e042446b>] pcmcia_device_probe+0x6b/0x120 [pcmcia]
 [<c0243aeb>] driver_probe_device+0x3b/0xc0
 [<c0243b70>] __device_attach+0x0/0x10
 [<c02432e8>] bus_for_each_drv+0x48/0x80
 [<c0243bd4>] device_attach+0x54/0x60
 [<c0243b70>] __device_attach+0x0/0x10
 [<c0243421>] bus_add_device+0x21/0xa0
 [<c024241d>] device_add+0xdd/0x140
 [<e04248e6>] pcmcia_device_add+0x136/0x1e0 [pcmcia]
 [<e0424a00>] pcmcia_card_add+0x70/0x90 [pcmcia]
 [<c011cba5>] release_console_sem+0xd5/0xf0
 [<c011c8d3>] vprintk+0x1d3/0x340
 [<c01d9dd2>] kobject_get+0x12/0x20
 [<c0244ff1>] class_device_get+0x11/0x20
 [<e042540d>] ds_event+0xad/0xd0 [pcmcia]
 [<e031e744>] send_event+0x74/0xd0 [pcmcia_core]
 [<e031eb12>] socket_insert+0xb2/0x180 [pcmcia_core]
 [<e031ee12>] socket_detect_change+0x32/0x90 [pcmcia_core]
 [<e031effc>] pccardd+0x18c/0x1e0 [pcmcia_core]
 [<c0118940>] default_wake_function+0x0/0x20
 [<e031ee70>] pccardd+0x0/0x1e0 [pcmcia_core]
 [<c0101385>] kernel_thread_helper+0x5/0x10
Code: 80 8c 00 00 00 e0 ac 33 c0 31 c0 c3 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 55 57 56 53 55 8b 6c 24 24 8b 44 24 1c 8b 50 08 <ff> 4a 70 0f 88 ae 0c 00 00 31 c0 b9 ff ff ff ff 8b 7c 24 20 f2

** Affects: linux-source-2.6.15 (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

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IDE crash on inserting PCMCIA IDE device
https://launchpad.net/bugs/44599