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    SubjectRe: 2.6.19-rc2-mm1 // errors in verify_redzone_free()
    Date
    Hello,

    > > The wireless ioctls are still blowing up? I thought we'd fixed that,
    > > or is this something new?
    >
    > Do you know which driver the user is using ? Is it an
    > in-kernel driver, or an out-of-kernel driver ?
    > Thanks !

    The wifi card is Cabletron Entersys Roamabout and the driver is an orinoco
    driver that comes with vanilla kernel. Here is what lsmod says:

    orinoco_cs 14340 1
    orinoco 38932 1 orinoco_cs
    hermes 6784 2 orinoco_cs,orinoco
    pcmcia 32176 5 orinoco_cs
    firmware_class 8448 1 pcmcia
    yenta_socket 24204 6
    rsrc_nonstatic 11776 1 yenta_socket
    pcmcia_core 35616 4 orinoco_cs,pcmcia,yenta_socket,rsrc_nonstatic

    And these are the relevant syslog lines:

    orinoco 0.15 (David Gibson <hermes@gibson.dropbear.id.au>, Pavel Roskin
    <proski@gnu.org>, et al)
    orinoco_cs 0.15 (David Gibson <hermes@gibson.dropbear.id.au>, Pavel Roskin
    <proski@gnu.org>, et al)
    pcmcia: registering new device pcmcia1.0
    eth0: Hardware identity 0001:0001:0004:0000
    eth0: Station identity 001f:0001:0008:0048
    eth0: Firmware determined as Lucent/Agere 8.72
    eth0: Ad-hoc demo mode supported
    eth0: IEEE standard IBSS ad-hoc mode supported
    eth0: WEP supported, 104-bit key
    eth0: MAC address 00:E0:63:82:2D:3F
    eth0: Station name "HERMES I"
    eth0: ready
    eth0: orinoco_cs at 1.0, irq 3, io 0x0100-0x013f
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7f4e410>] 0xb7f4e410
    =======================
    dd20cb64: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7f4e410>] 0xb7f4e410
    =======================
    dd20cb64: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7f96410>] 0xb7f96410
    =======================
    dd20cab4: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7f96410>] 0xb7f96410
    =======================
    dd20cab4: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7f8a410>] 0xb7f8a410
    =======================
    dd20cab4: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7f8a410>] 0xb7f8a410
    =======================
    dd20cab4: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    eth0: New link status: Connected (0001)
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7fa2410>] 0xb7fa2410
    =======================
    dde2ac98: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7f2c410>] 0xb7f2c410
    =======================
    dde2ac98: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7f2c410>] 0xb7f2c410
    =======================
    dde2ac98: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7eef410>] 0xb7eef410
    =======================
    dde2ac98: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7eef410>] 0xb7eef410
    =======================
    dde2ac98: redzone 1:0x170fc2a5, redzone 2:0x170fc200.
    slab error in verify_redzone_free(): cache `size-32': memory outside object
    was overwritten
    [<c0103765>] dump_trace+0x1c1/0x1f1
    [<c01037af>] show_trace_log_lvl+0x1a/0x30
    [<c0103ed8>] show_trace+0x12/0x14
    [<c0103f7b>] dump_stack+0x19/0x1b
    [<c0158357>] __slab_error+0x26/0x28
    [<c0158496>] cache_free_debugcheck+0x13d/0x1d8
    [<c0158bb0>] kfree+0x54/0xa5
    [<c037fba4>] ioctl_standard_call+0x187/0x2a1
    [<c037ffe6>] wireless_process_ioctl+0x328/0x3c7
    [<c03763d4>] dev_ioctl+0x1fd/0x372
    [<c036b080>] sock_ioctl+0x34/0x1e8
    [<c0167a92>] do_ioctl+0x22/0x71
    [<c0167b36>] vfs_ioctl+0x55/0x29b
    [<c0167daf>] sys_ioctl+0x33/0x50
    [<c0102ff5>] sysenter_past_esp+0x56/0x79
    [<b7f59410>] 0xb7f59410
    =======================
    dde2ac98: redzone 1:0x170fc2a5, redzone 2:0x170fc200.


    Mariusz Kozlowski
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