Hay
Date
Nov. 27, 2024, 3:37 a.m.

Environment
qemu-arm64
qemu-x86_64

[   50.046806] ==================================================================
[   50.048271] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0
[   50.049471] Read of size 1 at addr fff00000c6612001 by task kunit_try_catch/212
[   50.050724] 
[   50.051114] CPU: 1 UID: 0 PID: 212 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241127 #1
[   50.052181] Tainted: [B]=BAD_PAGE, [N]=TEST
[   50.052718] Hardware name: linux,dummy-virt (DT)
[   50.053412] Call trace:
[   50.053780]  show_stack+0x20/0x38 (C)
[   50.054340]  dump_stack_lvl+0x8c/0xd0
[   50.054913]  print_report+0x118/0x5e0
[   50.055483]  kasan_report+0xc8/0x118
[   50.056059]  __asan_report_load1_noabort+0x20/0x30
[   50.056916]  mempool_oob_right_helper+0x2ac/0x2f0
[   50.057951]  mempool_kmalloc_large_oob_right+0xbc/0x118
[   50.058825]  kunit_try_run_case+0x14c/0x3d0
[   50.059438]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   50.059805]  kthread+0x24c/0x2d0
[   50.060094]  ret_from_fork+0x10/0x20
[   50.060750] 
[   50.061687] The buggy address belongs to the physical page:
[   50.062493] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106610
[   50.063535] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   50.064419] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   50.065786] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   50.066718] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   50.067640] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   50.068543] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   50.069590] head: 0bfffe0000000002 ffffc1ffc3198401 ffffffffffffffff 0000000000000000
[   50.070903] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[   50.071792] page dumped because: kasan: bad access detected
[   50.072495] 
[   50.072797] Memory state around the buggy address:
[   50.073641]  fff00000c6611f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   50.074838]  fff00000c6611f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   50.075981] >fff00000c6612000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   50.076896]                    ^
[   50.077690]  fff00000c6612080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   50.078646]  fff00000c6612100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   50.079617] ==================================================================
[   50.091971] ==================================================================
[   50.093558] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0
[   50.094766] Read of size 1 at addr fff00000c61042bb by task kunit_try_catch/214
[   50.095565] 
[   50.096053] CPU: 1 UID: 0 PID: 214 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241127 #1
[   50.097499] Tainted: [B]=BAD_PAGE, [N]=TEST
[   50.098020] Hardware name: linux,dummy-virt (DT)
[   50.098659] Call trace:
[   50.099072]  show_stack+0x20/0x38 (C)
[   50.099637]  dump_stack_lvl+0x8c/0xd0
[   50.100354]  print_report+0x118/0x5e0
[   50.101001]  kasan_report+0xc8/0x118
[   50.101903]  __asan_report_load1_noabort+0x20/0x30
[   50.102539]  mempool_oob_right_helper+0x2ac/0x2f0
[   50.103422]  mempool_slab_oob_right+0xb8/0x110
[   50.104088]  kunit_try_run_case+0x14c/0x3d0
[   50.104705]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   50.105628]  kthread+0x24c/0x2d0
[   50.106341]  ret_from_fork+0x10/0x20
[   50.106865] 
[   50.107218] Allocated by task 214:
[   50.107717]  kasan_save_stack+0x3c/0x68
[   50.108232]  kasan_save_track+0x20/0x40
[   50.109008]  kasan_save_alloc_info+0x40/0x58
[   50.109558]  __kasan_mempool_unpoison_object+0xbc/0x180
[   50.110271]  remove_element+0x16c/0x1f8
[   50.111075]  mempool_alloc_preallocated+0x58/0xc0
[   50.111615]  mempool_oob_right_helper+0x98/0x2f0
[   50.112234]  mempool_slab_oob_right+0xb8/0x110
[   50.112765]  kunit_try_run_case+0x14c/0x3d0
[   50.113472]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   50.115972]  kthread+0x24c/0x2d0
[   50.116407]  ret_from_fork+0x10/0x20
[   50.116794] 
[   50.117038] The buggy address belongs to the object at fff00000c6104240
[   50.117038]  which belongs to the cache test_cache of size 123
[   50.118700] The buggy address is located 0 bytes to the right of
[   50.118700]  allocated 123-byte region [fff00000c6104240, fff00000c61042bb)
[   50.120181] 
[   50.120601] The buggy address belongs to the physical page:
[   50.121835] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106104
[   50.122926] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   50.123781] page_type: f5(slab)
[   50.124407] raw: 0bfffe0000000000 fff00000c61813c0 dead000000000122 0000000000000000
[   50.125849] raw: 0000000000000000 0000000080150015 00000001f5000000 0000000000000000
[   50.127063] page dumped because: kasan: bad access detected
[   50.127978] 
[   50.128540] Memory state around the buggy address:
[   50.129380]  fff00000c6104180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   50.130421]  fff00000c6104200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
[   50.131266] >fff00000c6104280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc
[   50.132233]                                         ^
[   50.132907]  fff00000c6104300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   50.134023]  fff00000c6104380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   50.134825] ==================================================================
[   49.990594] ==================================================================
[   49.991713] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0
[   49.992492] Read of size 1 at addr fff00000c610a573 by task kunit_try_catch/210
[   49.993813] 
[   49.994167] CPU: 0 UID: 0 PID: 210 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241127 #1
[   49.995261] Tainted: [B]=BAD_PAGE, [N]=TEST
[   49.996725] Hardware name: linux,dummy-virt (DT)
[   49.997483] Call trace:
[   49.998009]  show_stack+0x20/0x38 (C)
[   49.998567]  dump_stack_lvl+0x8c/0xd0
[   49.999276]  print_report+0x118/0x5e0
[   49.999813]  kasan_report+0xc8/0x118
[   50.000505]  __asan_report_load1_noabort+0x20/0x30
[   50.001264]  mempool_oob_right_helper+0x2ac/0x2f0
[   50.001856]  mempool_kmalloc_oob_right+0xbc/0x118
[   50.003340]  kunit_try_run_case+0x14c/0x3d0
[   50.004157]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   50.004949]  kthread+0x24c/0x2d0
[   50.005847]  ret_from_fork+0x10/0x20
[   50.006518] 
[   50.006974] Allocated by task 210:
[   50.007543]  kasan_save_stack+0x3c/0x68
[   50.008152]  kasan_save_track+0x20/0x40
[   50.008721]  kasan_save_alloc_info+0x40/0x58
[   50.009618]  __kasan_mempool_unpoison_object+0x11c/0x180
[   50.010466]  remove_element+0x130/0x1f8
[   50.011207]  mempool_alloc_preallocated+0x58/0xc0
[   50.012000]  mempool_oob_right_helper+0x98/0x2f0
[   50.012804]  mempool_kmalloc_oob_right+0xbc/0x118
[   50.013958]  kunit_try_run_case+0x14c/0x3d0
[   50.015272]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   50.015995]  kthread+0x24c/0x2d0
[   50.016540]  ret_from_fork+0x10/0x20
[   50.017343] 
[   50.017841] The buggy address belongs to the object at fff00000c610a500
[   50.017841]  which belongs to the cache kmalloc-128 of size 128
[   50.019366] The buggy address is located 0 bytes to the right of
[   50.019366]  allocated 115-byte region [fff00000c610a500, fff00000c610a573)
[   50.020931] 
[   50.021827] The buggy address belongs to the physical page:
[   50.022700] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10610a
[   50.024363] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   50.025430] page_type: f5(slab)
[   50.025977] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   50.026965] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   50.027913] page dumped because: kasan: bad access detected
[   50.028834] 
[   50.029232] Memory state around the buggy address:
[   50.029930]  fff00000c610a400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   50.030847]  fff00000c610a480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   50.031733] >fff00000c610a500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   50.033359]                                                              ^
[   50.034585]  fff00000c610a580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   50.035733]  fff00000c610a600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   50.036636] ==================================================================

[   27.240591] ==================================================================
[   27.241853] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x31a/0x380
[   27.242593] Read of size 1 at addr ffff888101ab62bb by task kunit_try_catch/233
[   27.243348] 
[   27.243665] CPU: 1 UID: 0 PID: 233 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241127 #1
[   27.245508] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.246019] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.247246] Call Trace:
[   27.247601]  <TASK>
[   27.248041]  dump_stack_lvl+0x73/0xb0
[   27.248464]  print_report+0xd1/0x640
[   27.248849]  ? __virt_addr_valid+0x1db/0x2d0
[   27.249324]  ? kasan_complete_mode_report_info+0x2a/0x200
[   27.249835]  kasan_report+0x102/0x140
[   27.250702]  ? mempool_oob_right_helper+0x31a/0x380
[   27.251628]  ? mempool_oob_right_helper+0x31a/0x380
[   27.252668]  __asan_report_load1_noabort+0x18/0x20
[   27.253454]  mempool_oob_right_helper+0x31a/0x380
[   27.254426]  ? __pfx_mempool_oob_right_helper+0x10/0x10
[   27.254964]  ? finish_task_switch.isra.0+0x153/0x700
[   27.255826]  mempool_slab_oob_right+0xb1/0x100
[   27.256623]  ? __pfx_mempool_slab_oob_right+0x10/0x10
[   27.257526]  ? __switch_to+0x5d9/0xf60
[   27.257904]  ? __pfx_mempool_alloc_slab+0x10/0x10
[   27.258616]  ? __pfx_mempool_free_slab+0x10/0x10
[   27.259118]  ? __pfx_read_tsc+0x10/0x10
[   27.259497]  ? ktime_get_ts64+0x84/0x230
[   27.259897]  kunit_try_run_case+0x1b3/0x490
[   27.260353]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.260792]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   27.261265]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.261827]  ? __kthread_parkme+0x82/0x160
[   27.263336]  ? preempt_count_sub+0x50/0x80
[   27.264043]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.264807]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.265829]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.266786]  kthread+0x257/0x310
[   27.267646]  ? __pfx_kthread+0x10/0x10
[   27.268392]  ret_from_fork+0x41/0x80
[   27.268771]  ? __pfx_kthread+0x10/0x10
[   27.269502]  ret_from_fork_asm+0x1a/0x30
[   27.269949]  </TASK>
[   27.270152] 
[   27.270307] Allocated by task 233:
[   27.271916]  kasan_save_stack+0x3d/0x60
[   27.272859]  kasan_save_track+0x18/0x40
[   27.273416]  kasan_save_alloc_info+0x3b/0x50
[   27.273876]  __kasan_mempool_unpoison_object+0x1bb/0x200
[   27.274759]  remove_element+0x11e/0x190
[   27.275579]  mempool_alloc_preallocated+0x4d/0x90
[   27.276544]  mempool_oob_right_helper+0x8b/0x380
[   27.277007]  mempool_slab_oob_right+0xb1/0x100
[   27.277668]  kunit_try_run_case+0x1b3/0x490
[   27.278566]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.279455]  kthread+0x257/0x310
[   27.279851]  ret_from_fork+0x41/0x80
[   27.281319]  ret_from_fork_asm+0x1a/0x30
[   27.282659] 
[   27.283034] The buggy address belongs to the object at ffff888101ab6240
[   27.283034]  which belongs to the cache test_cache of size 123
[   27.283945] The buggy address is located 0 bytes to the right of
[   27.283945]  allocated 123-byte region [ffff888101ab6240, ffff888101ab62bb)
[   27.287277] 
[   27.287853] The buggy address belongs to the physical page:
[   27.289840] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101ab6
[   27.291745] flags: 0x200000000000000(node=0|zone=2)
[   27.292910] page_type: f5(slab)
[   27.295095] raw: 0200000000000000 ffff888101ab4000 dead000000000122 0000000000000000
[   27.296687] raw: 0000000000000000 0000000080150015 00000001f5000000 0000000000000000
[   27.299396] page dumped because: kasan: bad access detected
[   27.300353] 
[   27.301431] Memory state around the buggy address:
[   27.302224]  ffff888101ab6180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   27.303920]  ffff888101ab6200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
[   27.307123] >ffff888101ab6280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc
[   27.308722]                                         ^
[   27.310709]  ffff888101ab6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.312804]  ffff888101ab6380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.315486] ==================================================================
[   27.187683] ==================================================================
[   27.189012] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x31a/0x380
[   27.189592] Read of size 1 at addr ffff888102cde001 by task kunit_try_catch/231
[   27.190184] 
[   27.190397] CPU: 0 UID: 0 PID: 231 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241127 #1
[   27.191706] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.192911] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.194705] Call Trace:
[   27.194959]  <TASK>
[   27.195620]  dump_stack_lvl+0x73/0xb0
[   27.196272]  print_report+0xd1/0x640
[   27.197011]  ? __virt_addr_valid+0x1db/0x2d0
[   27.197944]  ? kasan_addr_to_slab+0x11/0xa0
[   27.198570]  kasan_report+0x102/0x140
[   27.199138]  ? mempool_oob_right_helper+0x31a/0x380
[   27.199819]  ? mempool_oob_right_helper+0x31a/0x380
[   27.200717]  __asan_report_load1_noabort+0x18/0x20
[   27.201684]  mempool_oob_right_helper+0x31a/0x380
[   27.202434]  ? __pfx_mempool_oob_right_helper+0x10/0x10
[   27.202685]  ? finish_task_switch.isra.0+0x153/0x700
[   27.202912]  mempool_kmalloc_large_oob_right+0xb6/0x100
[   27.204229]  ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10
[   27.204766]  ? __switch_to+0x5d9/0xf60
[   27.205637]  ? __pfx_mempool_kmalloc+0x10/0x10
[   27.206579]  ? __pfx_mempool_kfree+0x10/0x10
[   27.206977]  ? __pfx_read_tsc+0x10/0x10
[   27.207711]  ? ktime_get_ts64+0x84/0x230
[   27.208393]  kunit_try_run_case+0x1b3/0x490
[   27.208739]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.209789]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   27.210404]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.211414]  ? __kthread_parkme+0x82/0x160
[   27.211852]  ? preempt_count_sub+0x50/0x80
[   27.212284]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.212773]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.213222]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.214253]  kthread+0x257/0x310
[   27.214785]  ? __pfx_kthread+0x10/0x10
[   27.215172]  ret_from_fork+0x41/0x80
[   27.215774]  ? __pfx_kthread+0x10/0x10
[   27.216363]  ret_from_fork_asm+0x1a/0x30
[   27.216853]  </TASK>
[   27.217313] 
[   27.217505] The buggy address belongs to the physical page:
[   27.218442] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102cdc
[   27.219717] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   27.220516] flags: 0x200000000000040(head|node=0|zone=2)
[   27.221059] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   27.222051] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   27.222360] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   27.222650] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   27.222938] head: 0200000000000002 ffffea00040b3701 ffffffffffffffff 0000000000000000
[   27.224792] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[   27.225787] page dumped because: kasan: bad access detected
[   27.226453] 
[   27.226651] Memory state around the buggy address:
[   27.227633]  ffff888102cddf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   27.229004]  ffff888102cddf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   27.230287] >ffff888102cde000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   27.230914]                    ^
[   27.231539]  ffff888102cde080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   27.232433]  ffff888102cde100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   27.233117] ==================================================================
[   27.130315] ==================================================================
[   27.131352] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x31a/0x380
[   27.132842] Read of size 1 at addr ffff888102a4ef73 by task kunit_try_catch/229
[   27.133332] 
[   27.133519] CPU: 0 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241127 #1
[   27.134495] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.134853] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.135677] Call Trace:
[   27.136022]  <TASK>
[   27.136369]  dump_stack_lvl+0x73/0xb0
[   27.136859]  print_report+0xd1/0x640
[   27.137529]  ? __virt_addr_valid+0x1db/0x2d0
[   27.138249]  ? kasan_complete_mode_report_info+0x2a/0x200
[   27.138763]  kasan_report+0x102/0x140
[   27.139340]  ? mempool_oob_right_helper+0x31a/0x380
[   27.140257]  ? mempool_oob_right_helper+0x31a/0x380
[   27.140779]  __asan_report_load1_noabort+0x18/0x20
[   27.141537]  mempool_oob_right_helper+0x31a/0x380
[   27.142050]  ? __pfx_mempool_oob_right_helper+0x10/0x10
[   27.142975]  ? finish_task_switch.isra.0+0x153/0x700
[   27.143831]  mempool_kmalloc_oob_right+0xb6/0x100
[   27.144496]  ? __pfx_mempool_kmalloc_oob_right+0x10/0x10
[   27.145207]  ? __switch_to+0x5d9/0xf60
[   27.145764]  ? __pfx_mempool_kmalloc+0x10/0x10
[   27.146899]  ? __pfx_mempool_kfree+0x10/0x10
[   27.147311]  ? __pfx_read_tsc+0x10/0x10
[   27.147753]  ? ktime_get_ts64+0x84/0x230
[   27.148647]  kunit_try_run_case+0x1b3/0x490
[   27.149072]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.149816]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   27.150624]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.151074]  ? __kthread_parkme+0x82/0x160
[   27.151713]  ? preempt_count_sub+0x50/0x80
[   27.152186]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.152633]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.153625]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.154471]  kthread+0x257/0x310
[   27.154852]  ? __pfx_kthread+0x10/0x10
[   27.155685]  ret_from_fork+0x41/0x80
[   27.156050]  ? __pfx_kthread+0x10/0x10
[   27.156886]  ret_from_fork_asm+0x1a/0x30
[   27.157374]  </TASK>
[   27.157854] 
[   27.158093] Allocated by task 229:
[   27.159203]  kasan_save_stack+0x3d/0x60
[   27.159566]  kasan_save_track+0x18/0x40
[   27.160278]  kasan_save_alloc_info+0x3b/0x50
[   27.160742]  __kasan_mempool_unpoison_object+0x1a9/0x200
[   27.161799]  remove_element+0x11e/0x190
[   27.162164]  mempool_alloc_preallocated+0x4d/0x90
[   27.162607]  mempool_oob_right_helper+0x8b/0x380
[   27.163313]  mempool_kmalloc_oob_right+0xb6/0x100
[   27.163961]  kunit_try_run_case+0x1b3/0x490
[   27.164499]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.164752]  kthread+0x257/0x310
[   27.164912]  ret_from_fork+0x41/0x80
[   27.165166]  ret_from_fork_asm+0x1a/0x30
[   27.166291] 
[   27.166560] The buggy address belongs to the object at ffff888102a4ef00
[   27.166560]  which belongs to the cache kmalloc-128 of size 128
[   27.168609] The buggy address is located 0 bytes to the right of
[   27.168609]  allocated 115-byte region [ffff888102a4ef00, ffff888102a4ef73)
[   27.169851] 
[   27.170340] The buggy address belongs to the physical page:
[   27.170771] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a4e
[   27.171800] flags: 0x200000000000000(node=0|zone=2)
[   27.172308] page_type: f5(slab)
[   27.172552] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   27.173886] raw: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000
[   27.174677] page dumped because: kasan: bad access detected
[   27.175020] 
[   27.175497] Memory state around the buggy address:
[   27.175973]  ffff888102a4ee00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   27.176971]  ffff888102a4ee80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.177568] >ffff888102a4ef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   27.178788]                                                              ^
[   27.179971]  ffff888102a4ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.180701]  ffff888102a4f000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   27.181344] ==================================================================