Re: BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x900/0xe50

From: James Bottomley
Date: Wed Dec 02 2015 - 17:58:33 EST

On Tue, 2015-12-01 at 21:20 +0100, Andrea Gelmini wrote:
> Hi everybody,
> and thanks a lot for your work.
>
> As soon as I plugged an external WD USB hard drive (details in the attached file)
> into USB3 port, I've got this (much more info in the attached files).
> Using commit 2255702db4014d1c69d6037ed7bdad2d2e271985
>
> Thanks again,
> Andrea
>
> [ 542.582204] ==================================================================
> [ 542.582220] BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x900/0xe50 [ses] at addr ffff88038c421c12
> [ 542.582223] Read of size 1 by task systemd-udevd/4017
> [ 542.582225] =============================================================================
> [ 542.582227] BUG kmalloc-8 (Not tainted): kasan: bad access detected
> [ 542.582228] -----------------------------------------------------------------------------
>
> [ 542.582229] Disabling lock debugging due to kernel taint
> [ 542.582236] INFO: Allocated in ses_enclosure_data_process+0x1e6/0xe50 [ses] age=1 cpu=2 pid=4017
> [ 542.582243] ___slab_alloc.constprop.27+0x379/0x3a0
> [ 542.582246] __slab_alloc.isra.24.constprop.26+0x26/0x40
> [ 542.582249] __kmalloc+0x19b/0x1e0
> [ 542.582253] ses_enclosure_data_process+0x1e6/0xe50 [ses]
> [ 542.582256] ses_intf_add+0x9d6/0xe00 [ses]
> [ 542.582261] class_interface_register+0x213/0x350
> [ 542.582264] scsi_register_interface+0x33/0x40
> [ 542.582268] ses_init+0x13/0x1000 [ses]
> [ 542.582272] do_one_initcall+0x13c/0x2f0
> [ 542.582277] do_init_module+0x1d9/0x5bc
> [ 542.582280] load_module+0x6029/0x9230
> [ 542.582283] SyS_finit_module+0x103/0x130
> [ 542.582288] entry_SYSCALL_64_fastpath+0x16/0x75
> [ 542.582293] INFO: Freed in sg_clean+0x12e/0x200 age=1 cpu=3 pid=4009
> [ 542.582296] __slab_free+0x292/0x3d0
> [ 542.582298] kfree+0x108/0x120
> [ 542.582300] sg_clean+0x12e/0x200
> [ 542.582302] usb_sg_wait+0x2ad/0x3d0
> [ 542.582307] usb_stor_bulk_transfer_sglist.part.3+0xc4/0x200 [usb_storage]
> [ 542.582311] usb_stor_bulk_srb+0x184/0x280 [usb_storage]
> [ 542.582315] usb_stor_Bulk_transport+0x53e/0xf80 [usb_storage]
> [ 542.582319] usb_stor_invoke_transport+0xf2/0x1430 [usb_storage]
> [ 542.582323] usb_stor_transparent_scsi_command+0x9/0x10 [usb_storage]
> [ 542.582327] usb_stor_control_thread+0x530/0xac0 [usb_storage]
> [ 542.582332] kthread+0x1c0/0x260
> [ 542.582335] ret_from_fork+0x3f/0x70
> [ 542.582339] INFO: Slab 0xffffea000e310800 objects=26 used=25 fp=0xffff88038c421e78 flags=0x8000000000004080
> [ 542.582341] INFO: Object 0xffff88038c421c08 @offset=7176 fp=0x0000000000000008
>
> [ 542.582345] Bytes b4 ffff88038c421bf8: 01 00 00 00 01 00 00 00 74 97 fd ff 00 00 00 00 ........t.......
> [ 542.582348] Object ffff88038c421c08: 08 00 00 00 00 00 00 00 ........
> [ 542.582354] CPU: 2 PID: 4017 Comm: systemd-udevd Tainted: G B 4.4.0-rc3KASan-00005-g2255702 #5
> [ 542.582356] Hardware name: LENOVO 2356LRG/2356LRG, BIOS G7ETA3WW (2.63 ) 04/16/2015
> [ 542.582361] ffff88038c420000 ffff8800ac3ff6c0 ffffffff819c3387 ffff88038e404240
> [ 542.582365] ffff8800ac3ff6f0 ffffffff813e22f4 ffff88038e404240 ffffea000e310800
> [ 542.582368] ffff88038c421c08 0000000000000000 ffff8800ac3ff718 ffffffff813e69bf
> [ 542.582369] Call Trace:
> [ 542.582375] [<ffffffff819c3387>] dump_stack+0x4b/0x74
> [ 542.582378] [<ffffffff813e22f4>] print_trailer+0xf4/0x150
> [ 542.582382] [<ffffffff813e69bf>] object_err+0x2f/0x40
> [ 542.582387] [<ffffffff813e85fc>] kasan_report_error+0x21c/0x540
> [ 542.582392] [<ffffffffc130842c>] ? ses_recv_diag+0xac/0xe0 [ses]
> [ 542.582397] [<ffffffff813e895e>] __asan_report_load1_noabort+0x3e/0x40
> [ 542.582401] [<ffffffffc1309490>] ? ses_enclosure_data_process+0x900/0xe50 [ses]
> [ 542.582406] [<ffffffffc1309490>] ses_enclosure_data_process+0x900/0xe50 [ses]
> [ 542.582412] [<ffffffff81d5d454>] ? pm_runtime_init+0x364/0x410
> [ 542.582417] [<ffffffffc130a806>] ses_intf_add+0x9d6/0xe00 [ses]
> [ 542.582421] [<ffffffff81d45183>] class_interface_register+0x213/0x350
> [ 542.582425] [<ffffffff81d44f70>] ? class_dev_iter_exit+0x10/0x10
> [ 542.582429] [<ffffffff819f44a0>] ? kvasprintf+0xf0/0xf0
> [ 542.582432] [<ffffffffc1130000>] ? 0xffffffffc1130000
> [ 542.582435] [<ffffffff81dff163>] scsi_register_interface+0x33/0x40
> [ 542.582439] [<ffffffffc1130013>] ses_init+0x13/0x1000 [ses]
> [ 542.582443] [<ffffffff810021ac>] do_one_initcall+0x13c/0x2f0
> [ 542.582446] [<ffffffff81002070>] ? try_to_run_init_process+0x40/0x40
> [ 542.582450] [<ffffffff813e7d06>] ? kasan_unpoison_shadow+0x36/0x50
> [ 542.582454] [<ffffffff813e7d06>] ? kasan_unpoison_shadow+0x36/0x50
> [ 542.582458] [<ffffffff813e7e17>] ? __asan_register_globals+0x87/0xa0
> [ 542.582463] [<ffffffff813199fd>] do_init_module+0x1d9/0x5bc
> [ 542.582466] [<ffffffff8124d669>] load_module+0x6029/0x9230
> [ 542.582469] [<ffffffff81245430>] ? symbol_put_addr+0x50/0x50
> [ 542.582475] [<ffffffff81247640>] ? module_frob_arch_sections+0x20/0x20
> [ 542.582479] [<ffffffff8142de90>] ? open_exec+0x50/0x50
> [ 542.582486] [<ffffffff8111b9ff>] ? ns_capable+0x4f/0xd0
> [ 542.582489] [<ffffffff81250b43>] SyS_finit_module+0x103/0x130
> [ 542.582492] [<ffffffff81250a40>] ? SyS_init_module+0x1d0/0x1d0
> [ 542.582497] [<ffffffff824c6df6>] entry_SYSCALL_64_fastpath+0x16/0x75
> [ 542.582498] Memory state around the buggy address:
> [ 542.582501] ffff88038c421b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.582503] ffff88038c421b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.582506] >ffff88038c421c00: fc 05 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.582507] ^
> [ 542.582509] ffff88038c421c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.582512] ffff88038c421d00: fc fc fc fc fc fc fc fc 00 fc fc fc fc fc fc fc
> [ 542.582513] ==================================================================
> [ 542.582514] ==================================================================
> [ 542.582519] BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0xe3b/0xe50 [ses] at addr ffff88038c421c13
> [ 542.582521] Read of size 1 by task systemd-udevd/4017
> [ 542.582521] Read of size 1 by task systemd-udevd/4017
> [ 542.582522] =============================================================================
> [ 542.582524] BUG kmalloc-8 (Tainted: G B ): kasan: bad access detected
> [ 542.582525] -----------------------------------------------------------------------------
>
> [ 542.582530] INFO: Allocated in ses_enclosure_data_process+0x1e6/0xe50 [ses] age=1 cpu=2 pid=4017
> [ 542.582533] ___slab_alloc.constprop.27+0x379/0x3a0
> [ 542.582536] __slab_alloc.isra.24.constprop.26+0x26/0x40
> [ 542.582539] __kmalloc+0x19b/0x1e0
> [ 542.582542] ses_enclosure_data_process+0x1e6/0xe50 [ses]
> [ 542.582546] ses_intf_add+0x9d6/0xe00 [ses]
> [ 542.582549] class_interface_register+0x213/0x350
> [ 542.582551] scsi_register_interface+0x33/0x40
> [ 542.582555] ses_init+0x13/0x1000 [ses]
> [ 542.582557] do_one_initcall+0x13c/0x2f0
> [ 542.582560] do_init_module+0x1d9/0x5bc
> [ 542.582562] load_module+0x6029/0x9230
> [ 542.582564] SyS_finit_module+0x103/0x130
> [ 542.582568] entry_SYSCALL_64_fastpath+0x16/0x75
> [ 542.582571] INFO: Freed in sg_clean+0x12e/0x200 age=1 cpu=3 pid=4009
> [ 542.582574] __slab_free+0x292/0x3d0
> [ 542.582577] kfree+0x108/0x120
> [ 542.582578] sg_clean+0x12e/0x200
> [ 542.582580] usb_sg_wait+0x2ad/0x3d0
> [ 542.582585] usb_stor_bulk_transfer_sglist.part.3+0xc4/0x200 [usb_storage]
> [ 542.582588] usb_stor_bulk_srb+0x184/0x280 [usb_storage]
> [ 542.582592] usb_stor_Bulk_transport+0x53e/0xf80 [usb_storage]
> [ 542.582596] usb_stor_invoke_transport+0xf2/0x1430 [usb_storage]
> [ 542.582599] usb_stor_transparent_scsi_command+0x9/0x10 [usb_storage]
> [ 542.582603] usb_stor_control_thread+0x530/0xac0 [usb_storage]
> [ 542.582606] kthread+0x1c0/0x260
> [ 542.582610] ret_from_fork+0x3f/0x70
> [ 542.582612] INFO: Slab 0xffffea000e310800 objects=26 used=25 fp=0xffff88038c421e78 flags=0x8000000000004080
> [ 542.582614] INFO: Object 0xffff88038c421c08 @offset=7176 fp=0x0000000000000008
>
> [ 542.582617] Bytes b4 ffff88038c421bf8: 01 00 00 00 01 00 00 00 74 97 fd ff 00 00 00 00 ........t.......
> [ 542.582620] Object ffff88038c421c08: 08 00 00 00 00 00 00 00 ........
> [ 542.582623] CPU: 2 PID: 4017 Comm: systemd-udevd Tainted: G B 4.4.0-rc3KASan-00005-g2255702 #5
> [ 542.582625] Hardware name: LENOVO 2356LRG/2356LRG, BIOS G7ETA3WW (2.63 ) 04/16/2015
> [ 542.582628] ffff88038c420000 ffff8800ac3ff6c0 ffffffff819c3387 ffff88038e404240
> [ 542.582632] ffff8800ac3ff6f0 ffffffff813e22f4 ffff88038e404240 ffffea000e310800
> [ 542.582635] ffff88038c421c08 0000000000000000 ffff8800ac3ff718 ffffffff813e69bf
> [ 542.582636] Call Trace:
> [ 542.582639] [<ffffffff819c3387>] dump_stack+0x4b/0x74
> [ 542.582642] [<ffffffff813e22f4>] print_trailer+0xf4/0x150
> [ 542.582645] [<ffffffff813e69bf>] object_err+0x2f/0x40
> [ 542.582649] [<ffffffff813e85fc>] kasan_report_error+0x21c/0x540
> [ 542.582654] [<ffffffff813e895e>] __asan_report_load1_noabort+0x3e/0x40
> [ 542.582659] [<ffffffffc13099cb>] ? ses_enclosure_data_process+0xe3b/0xe50 [ses]
> [ 542.582663] [<ffffffffc13099cb>] ses_enclosure_data_process+0xe3b/0xe50 [ses]
> [ 542.582667] [<ffffffff81d5d454>] ? pm_runtime_init+0x364/0x410
> [ 542.582672] [<ffffffffc130a806>] ses_intf_add+0x9d6/0xe00 [ses]
> [ 542.582676] [<ffffffff81d45183>] class_interface_register+0x213/0x350
> [ 542.582680] [<ffffffff81d44f70>] ? class_dev_iter_exit+0x10/0x10
> [ 542.582683] [<ffffffff819f44a0>] ? kvasprintf+0xf0/0xf0
> [ 542.582686] [<ffffffffc1130000>] ? 0xffffffffc1130000
> [ 542.582689] [<ffffffff81dff163>] scsi_register_interface+0x33/0x40
> [ 542.582693] [<ffffffffc1130013>] ses_init+0x13/0x1000 [ses]
> [ 542.582696] [<ffffffff810021ac>] do_one_initcall+0x13c/0x2f0
> [ 542.582699] [<ffffffff81002070>] ? try_to_run_init_process+0x40/0x40
> [ 542.582703] [<ffffffff813e7d06>] ? kasan_unpoison_shadow+0x36/0x50
> [ 542.582707] [<ffffffff813e7d06>] ? kasan_unpoison_shadow+0x36/0x50
> [ 542.582711] [<ffffffff813e7e17>] ? __asan_register_globals+0x87/0xa0
> [ 542.582715] [<ffffffff813199fd>] do_init_module+0x1d9/0x5bc
> [ 542.582718] [<ffffffff8124d669>] load_module+0x6029/0x9230
> [ 542.582721] [<ffffffff81245430>] ? symbol_put_addr+0x50/0x50
> [ 542.582727] [<ffffffff81247640>] ? module_frob_arch_sections+0x20/0x20
> [ 542.582730] [<ffffffff8142de90>] ? open_exec+0x50/0x50
> [ 542.582735] [<ffffffff8111b9ff>] ? ns_capable+0x4f/0xd0
> [ 542.582738] [<ffffffff81250b43>] SyS_finit_module+0x103/0x130
> [ 542.582741] [<ffffffff81250a40>] ? SyS_init_module+0x1d0/0x1d0
> [ 542.582746] [<ffffffff824c6df6>] entry_SYSCALL_64_fastpath+0x16/0x75
> [ 542.582747] Memory state around the buggy address:
> [ 542.582750] ffff88038c421b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.582752] ffff88038c421b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.582754] >ffff88038c421c00: fc 05 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.582755] ^
> [ 542.582757] ffff88038c421c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.582759] ffff88038c421d00: fc fc fc fc fc fc fc fc 00 fc fc fc fc fc fc fc
> [ 542.582760] ==================================================================
> [ 542.584193] ==================================================================
> [ 542.584206] BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x900/0xe50 [ses] at addr ffff88038c421c12
> [ 542.584209] Read of size 1 by task systemd-udevd/4017
> [ 542.584210] =============================================================================
> [ 542.584212] BUG kmalloc-8 (Tainted: G B ): kasan: bad access detected
> [ 542.584213] -----------------------------------------------------------------------------
>
> [ 542.584219] INFO: Allocated in ses_enclosure_data_process+0x1e6/0xe50 [ses] age=1 cpu=2 pid=4017
> [ 542.584223] ___slab_alloc.constprop.27+0x379/0x3a0
> [ 542.584226] __slab_alloc.isra.24.constprop.26+0x26/0x40
> [ 542.584229] __kmalloc+0x19b/0x1e0
> [ 542.584232] ses_enclosure_data_process+0x1e6/0xe50 [ses]
> [ 542.584236] ses_match_to_enclosure+0xb5/0x450 [ses]
> [ 542.584239] ses_intf_add+0xaa0/0xe00 [ses]
> [ 542.584243] class_interface_register+0x213/0x350
> [ 542.584245] scsi_register_interface+0x33/0x40
> [ 542.584249] ses_init+0x13/0x1000 [ses]
> [ 542.584252] do_one_initcall+0x13c/0x2f0
> [ 542.584255] do_init_module+0x1d9/0x5bc
> [ 542.584258] load_module+0x6029/0x9230
> [ 542.584260] SyS_finit_module+0x103/0x130
> [ 542.584264] entry_SYSCALL_64_fastpath+0x16/0x75
> [ 542.584267] INFO: Freed in sg_clean+0x12e/0x200 age=1 cpu=3 pid=4009
> [ 542.584270] __slab_free+0x292/0x3d0
> [ 542.584273] kfree+0x108/0x120
> [ 542.584275] sg_clean+0x12e/0x200
> [ 542.584277] usb_sg_wait+0x2ad/0x3d0
> [ 542.584281] usb_stor_bulk_transfer_sglist.part.3+0xc4/0x200 [usb_storage]
> [ 542.584285] usb_stor_bulk_srb+0x184/0x280 [usb_storage]
> [ 542.584288] usb_stor_Bulk_transport+0x53e/0xf80 [usb_storage]
> [ 542.584292] usb_stor_invoke_transport+0xf2/0x1430 [usb_storage]
> [ 542.584296] usb_stor_transparent_scsi_command+0x9/0x10 [usb_storage]
> [ 542.584300] usb_stor_control_thread+0x530/0xac0 [usb_storage]
> [ 542.584303] kthread+0x1c0/0x260
> [ 542.584307] ret_from_fork+0x3f/0x70
> [ 542.584310] INFO: Slab 0xffffea000e310800 objects=26 used=25 fp=0xffff88038c421e78 flags=0x8000000000004080
> [ 542.584311] INFO: Object 0xffff88038c421c08 @offset=7176 fp=0x0000000000000008
>
> [ 542.584315] Bytes b4 ffff88038c421bf8: 01 00 00 00 01 00 00 00 74 97 fd ff 00 00 00 00 ........t.......
> [ 542.584317] Object ffff88038c421c08: 08 00 00 00 00 00 00 00 ........
> [ 542.584321] CPU: 2 PID: 4017 Comm: systemd-udevd Tainted: G B 4.4.0-rc3KASan-00005-g2255702 #5
> [ 542.584323] Hardware name: LENOVO 2356LRG/2356LRG, BIOS G7ETA3WW (2.63 ) 04/16/2015
> [ 542.584327] ffff88038c420000 ffff8800ac3ff5f8 ffffffff819c3387 ffff88038e404240
> [ 542.584331] ffff8800ac3ff628 ffffffff813e22f4 ffff88038e404240 ffffea000e310800
> [ 542.584334] ffff88038c421c08 0000000000000000 ffff8800ac3ff650 ffffffff813e69bf
> [ 542.584335] Call Trace:
> [ 542.584338] [<ffffffff819c3387>] dump_stack+0x4b/0x74
> [ 542.584342] [<ffffffff813e22f4>] print_trailer+0xf4/0x150
> [ 542.584345] [<ffffffff813e69bf>] object_err+0x2f/0x40
> [ 542.584349] [<ffffffff813e85fc>] kasan_report_error+0x21c/0x540
> [ 542.584354] [<ffffffffc130842c>] ? ses_recv_diag+0xac/0xe0 [ses]
> [ 542.584358] [<ffffffff813e895e>] __asan_report_load1_noabort+0x3e/0x40
> [ 542.584363] [<ffffffffc1309490>] ? ses_enclosure_data_process+0x900/0xe50 [ses]
> [ 542.584367] [<ffffffffc1309490>] ses_enclosure_data_process+0x900/0xe50 [ses]
> [ 542.584371] [<ffffffff813e884a>] ? kasan_report_error+0x46a/0x540
> [ 542.584376] [<ffffffffc1309a95>] ses_match_to_enclosure+0xb5/0x450 [ses]
> [ 542.584380] [<ffffffffc13093b0>] ? ses_enclosure_data_process+0x820/0xe50 [ses]
> [ 542.584385] [<ffffffffc13099e0>] ? ses_enclosure_data_process+0xe50/0xe50 [ses]
> [ 542.584389] [<ffffffff81dd1a13>] ? __scsi_iterate_devices+0xf3/0x240
> [ 542.584394] [<ffffffffc130a8d0>] ses_intf_add+0xaa0/0xe00 [ses]
> [ 542.584398] [<ffffffff81d45183>] class_interface_register+0x213/0x350
> [ 542.584402] [<ffffffff81d44f70>] ? class_dev_iter_exit+0x10/0x10
> [ 542.584405] [<ffffffff819f44a0>] ? kvasprintf+0xf0/0xf0
> [ 542.584408] [<ffffffffc1130000>] ? 0xffffffffc1130000
> [ 542.584411] [<ffffffff81dff163>] scsi_register_interface+0x33/0x40
> [ 542.584415] [<ffffffffc1130013>] ses_init+0x13/0x1000 [ses]
> [ 542.584418] [<ffffffff810021ac>] do_one_initcall+0x13c/0x2f0
> [ 542.584421] [<ffffffff81002070>] ? try_to_run_init_process+0x40/0x40
> [ 542.584425] [<ffffffff813e7d06>] ? kasan_unpoison_shadow+0x36/0x50
> [ 542.584429] [<ffffffff813e7d06>] ? kasan_unpoison_shadow+0x36/0x50
> [ 542.584433] [<ffffffff813e7e17>] ? __asan_register_globals+0x87/0xa0
> [ 542.584438] [<ffffffff813199fd>] do_init_module+0x1d9/0x5bc
> [ 542.584441] [<ffffffff8124d669>] load_module+0x6029/0x9230
> [ 542.584444] [<ffffffff81245430>] ? symbol_put_addr+0x50/0x50
> [ 542.584450] [<ffffffff81247640>] ? module_frob_arch_sections+0x20/0x20
> [ 542.584453] [<ffffffff8142de90>] ? open_exec+0x50/0x50
> [ 542.584458] [<ffffffff8111b9ff>] ? ns_capable+0x4f/0xd0
> [ 542.584461] [<ffffffff81250b43>] SyS_finit_module+0x103/0x130
> [ 542.584464] [<ffffffff81250a40>] ? SyS_init_module+0x1d0/0x1d0
> [ 542.584469] [<ffffffff824c6df6>] entry_SYSCALL_64_fastpath+0x16/0x75
> [ 542.584470] Memory state around the buggy address:
> [ 542.584473] ffff88038c421b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.584475] ffff88038c421b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.584478] >ffff88038c421c00: fc 05 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.584479] ^
> [ 542.584481] ffff88038c421c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.584483] ffff88038c421d00: fc fc fc fc fc fc fc fc 00 fc fc fc fc fc fc fc
> [ 542.584484] ==================================================================
> [ 542.584485] ==================================================================
> [ 542.584490] BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0xe3b/0xe50 [ses] at addr ffff88038c421c13
> [ 542.584492] Read of size 1 by task systemd-udevd/4017
> [ 542.584493] =============================================================================
> [ 542.584495] BUG kmalloc-8 (Tainted: G B ): kasan: bad access detected
> [ 542.584496] -----------------------------------------------------------------------------
>
> [ 542.584501] INFO: Allocated in ses_enclosure_data_process+0x1e6/0xe50 [ses] age=1 cpu=2 pid=4017
> [ 542.584504] ___slab_alloc.constprop.27+0x379/0x3a0
> [ 542.584507] __slab_alloc.isra.24.constprop.26+0x26/0x40
> [ 542.584510] __kmalloc+0x19b/0x1e0
> [ 542.584513] ses_enclosure_data_process+0x1e6/0xe50 [ses]
> [ 542.584517] ses_match_to_enclosure+0xb5/0x450 [ses]
> [ 542.584520] ses_intf_add+0xaa0/0xe00 [ses]
> [ 542.584523] class_interface_register+0x213/0x350
> [ 542.584525] scsi_register_interface+0x33/0x40
> [ 542.584529] ses_init+0x13/0x1000 [ses]
> [ 542.584531] do_one_initcall+0x13c/0x2f0
> [ 542.584534] do_init_module+0x1d9/0x5bc
> [ 542.584536] load_module+0x6029/0x9230
> [ 542.584538] SyS_finit_module+0x103/0x130
> [ 542.584542] entry_SYSCALL_64_fastpath+0x16/0x75
> [ 542.584545] INFO: Freed in sg_clean+0x12e/0x200 age=1 cpu=3 pid=4009
> [ 542.584548] __slab_free+0x292/0x3d0
> [ 542.584550] kfree+0x108/0x120
> [ 542.584552] sg_clean+0x12e/0x200
> [ 542.584554] usb_sg_wait+0x2ad/0x3d0
> [ 542.584558] usb_stor_bulk_transfer_sglist.part.3+0xc4/0x200 [usb_storage]
> [ 542.584562] usb_stor_bulk_srb+0x184/0x280 [usb_storage]
> [ 542.584565] usb_stor_Bulk_transport+0x53e/0xf80 [usb_storage]
> [ 542.584569] usb_stor_invoke_transport+0xf2/0x1430 [usb_storage]
> [ 542.584573] usb_stor_transparent_scsi_command+0x9/0x10 [usb_storage]
> [ 542.584577] usb_stor_control_thread+0x530/0xac0 [usb_storage]
> [ 542.584580] kthread+0x1c0/0x260
> [ 542.584583] ret_from_fork+0x3f/0x70
> [ 542.584585] INFO: Slab 0xffffea000e310800 objects=26 used=25 fp=0xffff88038c421e78 flags=0x8000000000004080
> [ 542.584587] INFO: Object 0xffff88038c421c08 @offset=7176 fp=0x0000000000000008
>
> [ 542.584590] Bytes b4 ffff88038c421bf8: 01 00 00 00 01 00 00 00 74 97 fd ff 00 00 00 00 ........t.......
> [ 542.584592] Object ffff88038c421c08: 08 00 00 00 00 00 00 00 ........
> [ 542.584596] CPU: 2 PID: 4017 Comm: systemd-udevd Tainted: G B 4.4.0-rc3KASan-00005-g2255702 #5
> [ 542.584597] Hardware name: LENOVO 2356LRG/2356LRG, BIOS G7ETA3WW (2.63 ) 04/16/2015
> [ 542.584601] ffff88038c420000 ffff8800ac3ff5f8 ffffffff819c3387 ffff88038e404240
> [ 542.584604] ffff8800ac3ff628 ffffffff813e22f4 ffff88038e404240 ffffea000e310800
> [ 542.584607] ffff88038c421c08 0000000000000000 ffff8800ac3ff650 ffffffff813e69bf
> [ 542.584608] Call Trace:
> [ 542.584611] [<ffffffff819c3387>] dump_stack+0x4b/0x74
> [ 542.584614] [<ffffffff813e22f4>] print_trailer+0xf4/0x150
> [ 542.584617] [<ffffffff813e69bf>] object_err+0x2f/0x40
> [ 542.584621] [<ffffffff813e85fc>] kasan_report_error+0x21c/0x540
> [ 542.584626] [<ffffffff813e895e>] __asan_report_load1_noabort+0x3e/0x40
> [ 542.584630] [<ffffffffc13099cb>] ? ses_enclosure_data_process+0xe3b/0xe50 [ses]
> [ 542.584635] [<ffffffffc13099cb>] ses_enclosure_data_process+0xe3b/0xe50 [ses]
> [ 542.584638] [<ffffffff813e884a>] ? kasan_report_error+0x46a/0x540
> [ 542.584643] [<ffffffffc1309a95>] ses_match_to_enclosure+0xb5/0x450 [ses]
> [ 542.584647] [<ffffffffc13093b0>] ? ses_enclosure_data_process+0x820/0xe50 [ses]
> [ 542.584652] [<ffffffffc13099e0>] ? ses_enclosure_data_process+0xe50/0xe50 [ses]
> [ 542.584655] [<ffffffff81dd1a13>] ? __scsi_iterate_devices+0xf3/0x240
> [ 542.584660] [<ffffffffc130a8d0>] ses_intf_add+0xaa0/0xe00 [ses]
> [ 542.584664] [<ffffffff81d45183>] class_interface_register+0x213/0x350
> [ 542.584668] [<ffffffff81d44f70>] ? class_dev_iter_exit+0x10/0x10
> [ 542.584671] [<ffffffff819f44a0>] ? kvasprintf+0xf0/0xf0
> [ 542.584674] [<ffffffffc1130000>] ? 0xffffffffc1130000
> [ 542.584677] [<ffffffff81dff163>] scsi_register_interface+0x33/0x40
> [ 542.584681] [<ffffffffc1130013>] ses_init+0x13/0x1000 [ses]
> [ 542.584684] [<ffffffff810021ac>] do_one_initcall+0x13c/0x2f0
> [ 542.584687] [<ffffffff81002070>] ? try_to_run_init_process+0x40/0x40
> [ 542.584691] [<ffffffff813e7d06>] ? kasan_unpoison_shadow+0x36/0x50
> [ 542.584694] [<ffffffff813e7d06>] ? kasan_unpoison_shadow+0x36/0x50
> [ 542.584698] [<ffffffff813e7e17>] ? __asan_register_globals+0x87/0xa0
> [ 542.584703] [<ffffffff813199fd>] do_init_module+0x1d9/0x5bc
> [ 542.584706] [<ffffffff8124d669>] load_module+0x6029/0x9230
> [ 542.584709] [<ffffffff81245430>] ? symbol_put_addr+0x50/0x50
> [ 542.584715] [<ffffffff81247640>] ? module_frob_arch_sections+0x20/0x20
> [ 542.584718] [<ffffffff8142de90>] ? open_exec+0x50/0x50
> [ 542.584723] [<ffffffff8111b9ff>] ? ns_capable+0x4f/0xd0
> [ 542.584726] [<ffffffff81250b43>] SyS_finit_module+0x103/0x130
> [ 542.584728] [<ffffffff81250a40>] ? SyS_init_module+0x1d0/0x1d0
> [ 542.584733] [<ffffffff824c6df6>] entry_SYSCALL_64_fastpath+0x16/0x75
> [ 542.584735] Memory state around the buggy address:
> [ 542.584737] ffff88038c421b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.584739] ffff88038c421b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.584741] >ffff88038c421c00: fc 05 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.584742] ^
> [ 542.584744] ffff88038c421c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> [ 542.584747] ffff88038c421d00: fc fc fc fc fc fc fc fc 00 fc fc fc fc fc fc fc
> [ 542.584748] ==================================================================
> [ 542.585112] ses 6:0:0:1: Attached Enclosure device
> [ 542.897281] sd 6:0:0:0: [sdb] Assuming drive cache: write through
> [ 542.975864] sd 6:0:0:0: [sdb] Attached SCSI disk


OK, this looks like some type of problem with a USB enclosure. It's
probably misreporting something in the mode pages. can you run sg_ses
on whatever /dev/sg<n> the enclosure turns up as?

Thanks,

James

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