Date
July 15, 2025, 11:35 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 53.277156] ================================================================== [ 53.287105] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 53.294653] Read of size 1 at addr ffff0008086382bb by task kunit_try_catch/306 [ 53.301941] [ 53.303428] CPU: 5 UID: 0 PID: 306 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 53.303489] Tainted: [B]=BAD_PAGE, [N]=TEST [ 53.303507] Hardware name: WinLink E850-96 board (DT) [ 53.303531] Call trace: [ 53.303545] show_stack+0x20/0x38 (C) [ 53.303581] dump_stack_lvl+0x8c/0xd0 [ 53.303616] print_report+0x118/0x5d0 [ 53.303646] kasan_report+0xdc/0x128 [ 53.303673] __asan_report_load1_noabort+0x20/0x30 [ 53.303707] mempool_oob_right_helper+0x2ac/0x2f0 [ 53.303742] mempool_slab_oob_right+0xc0/0x118 [ 53.303775] kunit_try_run_case+0x170/0x3f0 [ 53.303807] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 53.303842] kthread+0x328/0x630 [ 53.303870] ret_from_fork+0x10/0x20 [ 53.303904] [ 53.372428] Allocated by task 306: [ 53.375815] kasan_save_stack+0x3c/0x68 [ 53.379631] kasan_save_track+0x20/0x40 [ 53.383450] kasan_save_alloc_info+0x40/0x58 [ 53.387704] __kasan_mempool_unpoison_object+0xbc/0x180 [ 53.392912] remove_element+0x16c/0x1f8 [ 53.396731] mempool_alloc_preallocated+0x58/0xc0 [ 53.401419] mempool_oob_right_helper+0x98/0x2f0 [ 53.406019] mempool_slab_oob_right+0xc0/0x118 [ 53.410446] kunit_try_run_case+0x170/0x3f0 [ 53.414613] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 53.420082] kthread+0x328/0x630 [ 53.423293] ret_from_fork+0x10/0x20 [ 53.426852] [ 53.428330] The buggy address belongs to the object at ffff000808638240 [ 53.428330] which belongs to the cache test_cache of size 123 [ 53.440744] The buggy address is located 0 bytes to the right of [ 53.440744] allocated 123-byte region [ffff000808638240, ffff0008086382bb) [ 53.453675] [ 53.455154] The buggy address belongs to the physical page: [ 53.460710] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x888638 [ 53.468693] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 53.475204] page_type: f5(slab) [ 53.478341] raw: 0bfffe0000000000 ffff000801e0a640 dead000000000122 0000000000000000 [ 53.486060] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 53.493780] page dumped because: kasan: bad access detected [ 53.499334] [ 53.500810] Memory state around the buggy address: [ 53.505593] ffff000808638180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 53.512792] ffff000808638200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 53.519997] >ffff000808638280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 53.527198] ^ [ 53.532237] ffff000808638300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 53.539441] ffff000808638380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 53.546642] ================================================================== [ 52.740078] ================================================================== [ 52.740248] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 52.740386] Read of size 1 at addr ffff000801b9e273 by task kunit_try_catch/302 [ 52.746828] [ 52.748315] CPU: 7 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 52.748374] Tainted: [B]=BAD_PAGE, [N]=TEST [ 52.748389] Hardware name: WinLink E850-96 board (DT) [ 52.748413] Call trace: [ 52.748428] show_stack+0x20/0x38 (C) [ 52.748465] dump_stack_lvl+0x8c/0xd0 [ 52.748502] print_report+0x118/0x5d0 [ 52.748531] kasan_report+0xdc/0x128 [ 52.748560] __asan_report_load1_noabort+0x20/0x30 [ 52.748595] mempool_oob_right_helper+0x2ac/0x2f0 [ 52.748627] mempool_kmalloc_oob_right+0xc4/0x120 [ 52.748659] kunit_try_run_case+0x170/0x3f0 [ 52.748689] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 52.748724] kthread+0x328/0x630 [ 52.748752] ret_from_fork+0x10/0x20 [ 52.748786] [ 52.817575] Allocated by task 302: [ 52.820962] kasan_save_stack+0x3c/0x68 [ 52.824778] kasan_save_track+0x20/0x40 [ 52.828598] kasan_save_alloc_info+0x40/0x58 [ 52.832851] __kasan_mempool_unpoison_object+0x11c/0x180 [ 52.838146] remove_element+0x130/0x1f8 [ 52.841965] mempool_alloc_preallocated+0x58/0xc0 [ 52.846653] mempool_oob_right_helper+0x98/0x2f0 [ 52.851253] mempool_kmalloc_oob_right+0xc4/0x120 [ 52.855941] kunit_try_run_case+0x170/0x3f0 [ 52.860108] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 52.865576] kthread+0x328/0x630 [ 52.868788] ret_from_fork+0x10/0x20 [ 52.872347] [ 52.873825] The buggy address belongs to the object at ffff000801b9e200 [ 52.873825] which belongs to the cache kmalloc-128 of size 128 [ 52.886326] The buggy address is located 0 bytes to the right of [ 52.886326] allocated 115-byte region [ffff000801b9e200, ffff000801b9e273) [ 52.899256] [ 52.900736] The buggy address belongs to the physical page: [ 52.906294] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881b9e [ 52.914275] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 52.921916] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 52.928858] page_type: f5(slab) [ 52.931995] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 52.939714] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 52.947442] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 52.955252] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 52.963064] head: 0bfffe0000000001 fffffdffe006e781 00000000ffffffff 00000000ffffffff [ 52.970876] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 52.978683] page dumped because: kasan: bad access detected [ 52.984237] [ 52.985713] Memory state around the buggy address: [ 52.990496] ffff000801b9e100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.997698] ffff000801b9e180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 53.004902] >ffff000801b9e200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 53.012102] ^ [ 53.018963] ffff000801b9e280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 53.026167] ffff000801b9e300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 53.033368] ================================================================== [ 53.042274] ================================================================== [ 53.052296] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 53.059845] Read of size 1 at addr ffff00080506e001 by task kunit_try_catch/304 [ 53.067136] [ 53.068624] CPU: 3 UID: 0 PID: 304 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 53.068675] Tainted: [B]=BAD_PAGE, [N]=TEST [ 53.068692] Hardware name: WinLink E850-96 board (DT) [ 53.068714] Call trace: [ 53.068727] show_stack+0x20/0x38 (C) [ 53.068764] dump_stack_lvl+0x8c/0xd0 [ 53.068800] print_report+0x118/0x5d0 [ 53.068829] kasan_report+0xdc/0x128 [ 53.068854] __asan_report_load1_noabort+0x20/0x30 [ 53.068887] mempool_oob_right_helper+0x2ac/0x2f0 [ 53.068923] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 53.068960] kunit_try_run_case+0x170/0x3f0 [ 53.068990] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 53.069027] kthread+0x328/0x630 [ 53.069059] ret_from_fork+0x10/0x20 [ 53.069097] [ 53.138404] The buggy address belongs to the physical page: [ 53.143962] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x88506c [ 53.151948] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 53.159585] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 53.166527] page_type: f8(unknown) [ 53.169926] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 53.177644] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 53.185372] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 53.193181] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 53.200995] head: 0bfffe0000000002 fffffdffe0141b01 00000000ffffffff 00000000ffffffff [ 53.208807] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 53.216614] page dumped because: kasan: bad access detected [ 53.222168] [ 53.223643] Memory state around the buggy address: [ 53.228425] ffff00080506df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 53.235626] ffff00080506df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 53.242833] >ffff00080506e000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 53.250032] ^ [ 53.253248] ffff00080506e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 53.260452] ffff00080506e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 53.267655] ==================================================================
[ 32.559482] ================================================================== [ 32.559558] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 32.559636] Read of size 1 at addr fff00000c9147673 by task kunit_try_catch/253 [ 32.559685] [ 32.559730] CPU: 1 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 32.559819] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.559847] Hardware name: linux,dummy-virt (DT) [ 32.559883] Call trace: [ 32.559909] show_stack+0x20/0x38 (C) [ 32.559962] dump_stack_lvl+0x8c/0xd0 [ 32.560014] print_report+0x118/0x5d0 [ 32.560058] kasan_report+0xdc/0x128 [ 32.560101] __asan_report_load1_noabort+0x20/0x30 [ 32.560150] mempool_oob_right_helper+0x2ac/0x2f0 [ 32.560201] mempool_kmalloc_oob_right+0xc4/0x120 [ 32.560250] kunit_try_run_case+0x170/0x3f0 [ 32.560300] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.560359] kthread+0x328/0x630 [ 32.560402] ret_from_fork+0x10/0x20 [ 32.560465] [ 32.560483] Allocated by task 253: [ 32.560512] kasan_save_stack+0x3c/0x68 [ 32.560557] kasan_save_track+0x20/0x40 [ 32.560597] kasan_save_alloc_info+0x40/0x58 [ 32.560635] __kasan_mempool_unpoison_object+0x11c/0x180 [ 32.560679] remove_element+0x130/0x1f8 [ 32.560719] mempool_alloc_preallocated+0x58/0xc0 [ 32.560760] mempool_oob_right_helper+0x98/0x2f0 [ 32.560802] mempool_kmalloc_oob_right+0xc4/0x120 [ 32.560845] kunit_try_run_case+0x170/0x3f0 [ 32.560881] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.560924] kthread+0x328/0x630 [ 32.560958] ret_from_fork+0x10/0x20 [ 32.560994] [ 32.561015] The buggy address belongs to the object at fff00000c9147600 [ 32.561015] which belongs to the cache kmalloc-128 of size 128 [ 32.561076] The buggy address is located 0 bytes to the right of [ 32.561076] allocated 115-byte region [fff00000c9147600, fff00000c9147673) [ 32.561139] [ 32.561161] The buggy address belongs to the physical page: [ 32.561195] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109147 [ 32.561252] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.561305] page_type: f5(slab) [ 32.561350] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000100 dead000000000122 [ 32.561400] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.561450] page dumped because: kasan: bad access detected [ 32.561482] [ 32.561501] Memory state around the buggy address: [ 32.561535] fff00000c9147500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.561579] fff00000c9147580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.561623] >fff00000c9147600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 32.561682] ^ [ 32.561744] fff00000c9147680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.561787] fff00000c9147700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 32.561825] ================================================================== [ 32.596888] ================================================================== [ 32.596976] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 32.597046] Read of size 1 at addr fff00000c650a1fb by task kunit_try_catch/257 [ 32.597096] [ 32.597135] CPU: 1 UID: 0 PID: 257 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 32.597224] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.597258] Hardware name: linux,dummy-virt (DT) [ 32.597404] Call trace: [ 32.597452] show_stack+0x20/0x38 (C) [ 32.597614] dump_stack_lvl+0x8c/0xd0 [ 32.597678] print_report+0x118/0x5d0 [ 32.598018] kasan_report+0xdc/0x128 [ 32.598244] __asan_report_load1_noabort+0x20/0x30 [ 32.598300] mempool_oob_right_helper+0x2ac/0x2f0 [ 32.598352] mempool_slab_oob_right+0xc0/0x118 [ 32.598452] kunit_try_run_case+0x170/0x3f0 [ 32.598507] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.598563] kthread+0x328/0x630 [ 32.598806] ret_from_fork+0x10/0x20 [ 32.598914] [ 32.598962] Allocated by task 257: [ 32.598991] kasan_save_stack+0x3c/0x68 [ 32.599038] kasan_save_track+0x20/0x40 [ 32.599428] kasan_save_alloc_info+0x40/0x58 [ 32.599481] __kasan_mempool_unpoison_object+0xbc/0x180 [ 32.599621] remove_element+0x16c/0x1f8 [ 32.599768] mempool_alloc_preallocated+0x58/0xc0 [ 32.599848] mempool_oob_right_helper+0x98/0x2f0 [ 32.599948] mempool_slab_oob_right+0xc0/0x118 [ 32.600004] kunit_try_run_case+0x170/0x3f0 [ 32.600042] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.600087] kthread+0x328/0x630 [ 32.600119] ret_from_fork+0x10/0x20 [ 32.600157] [ 32.600190] The buggy address belongs to the object at fff00000c650a180 [ 32.600190] which belongs to the cache test_cache of size 123 [ 32.600421] The buggy address is located 0 bytes to the right of [ 32.600421] allocated 123-byte region [fff00000c650a180, fff00000c650a1fb) [ 32.600563] [ 32.600587] The buggy address belongs to the physical page: [ 32.600666] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10650a [ 32.601036] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.601111] page_type: f5(slab) [ 32.601154] raw: 0bfffe0000000000 fff00000c650c000 dead000000000122 0000000000000000 [ 32.601203] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 32.601244] page dumped because: kasan: bad access detected [ 32.601275] [ 32.601293] Memory state around the buggy address: [ 32.601585] fff00000c650a080: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 32.601730] fff00000c650a100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 32.601971] >fff00000c650a180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 [ 32.602170] ^ [ 32.602249] fff00000c650a200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.602368] fff00000c650a280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.602408] ================================================================== [ 32.567455] ================================================================== [ 32.567512] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 32.567567] Read of size 1 at addr fff00000c639a001 by task kunit_try_catch/255 [ 32.567617] [ 32.567648] CPU: 1 UID: 0 PID: 255 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 32.567729] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.567756] Hardware name: linux,dummy-virt (DT) [ 32.567785] Call trace: [ 32.567809] show_stack+0x20/0x38 (C) [ 32.567856] dump_stack_lvl+0x8c/0xd0 [ 32.567902] print_report+0x118/0x5d0 [ 32.567946] kasan_report+0xdc/0x128 [ 32.567988] __asan_report_load1_noabort+0x20/0x30 [ 32.568037] mempool_oob_right_helper+0x2ac/0x2f0 [ 32.568087] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 32.568138] kunit_try_run_case+0x170/0x3f0 [ 32.568184] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.568236] kthread+0x328/0x630 [ 32.568278] ret_from_fork+0x10/0x20 [ 32.568326] [ 32.568345] The buggy address belongs to the physical page: [ 32.568377] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106398 [ 32.568431] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 32.568491] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 32.568543] page_type: f8(unknown) [ 32.568582] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.568687] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 32.568737] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.568784] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 32.568834] head: 0bfffe0000000002 ffffc1ffc318e601 00000000ffffffff 00000000ffffffff [ 32.568879] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 32.568919] page dumped because: kasan: bad access detected [ 32.568951] [ 32.568970] Memory state around the buggy address: [ 32.569001] fff00000c6399f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.569042] fff00000c6399f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.569084] >fff00000c639a000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.569122] ^ [ 32.569149] fff00000c639a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.569190] fff00000c639a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.569229] ==================================================================
[ 25.534495] ================================================================== [ 25.535076] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 25.535402] Read of size 1 at addr ffff8881059222bb by task kunit_try_catch/273 [ 25.535703] [ 25.535812] CPU: 0 UID: 0 PID: 273 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 25.536087] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.536102] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.536124] Call Trace: [ 25.536138] <TASK> [ 25.536155] dump_stack_lvl+0x73/0xb0 [ 25.536188] print_report+0xd1/0x610 [ 25.536217] ? __virt_addr_valid+0x1db/0x2d0 [ 25.536247] ? mempool_oob_right_helper+0x318/0x380 [ 25.536275] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.536306] ? mempool_oob_right_helper+0x318/0x380 [ 25.536336] kasan_report+0x141/0x180 [ 25.536364] ? mempool_oob_right_helper+0x318/0x380 [ 25.536399] __asan_report_load1_noabort+0x18/0x20 [ 25.536427] mempool_oob_right_helper+0x318/0x380 [ 25.536458] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 25.536491] ? __pfx_sched_clock_cpu+0x10/0x10 [ 25.536518] ? finish_task_switch.isra.0+0x153/0x700 [ 25.536561] mempool_slab_oob_right+0xed/0x140 [ 25.536600] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 25.536633] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 25.536662] ? __pfx_mempool_free_slab+0x10/0x10 [ 25.536693] ? __pfx_read_tsc+0x10/0x10 [ 25.536720] ? ktime_get_ts64+0x86/0x230 [ 25.536751] kunit_try_run_case+0x1a5/0x480 [ 25.536781] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.536815] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.536844] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.536872] ? __kthread_parkme+0x82/0x180 [ 25.536897] ? preempt_count_sub+0x50/0x80 [ 25.536927] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.536956] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.536989] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.537023] kthread+0x337/0x6f0 [ 25.537049] ? trace_preempt_on+0x20/0xc0 [ 25.537077] ? __pfx_kthread+0x10/0x10 [ 25.537102] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.537132] ? calculate_sigpending+0x7b/0xa0 [ 25.537161] ? __pfx_kthread+0x10/0x10 [ 25.537188] ret_from_fork+0x116/0x1d0 [ 25.537211] ? __pfx_kthread+0x10/0x10 [ 25.537237] ret_from_fork_asm+0x1a/0x30 [ 25.537277] </TASK> [ 25.537289] [ 25.545133] Allocated by task 273: [ 25.545292] kasan_save_stack+0x45/0x70 [ 25.545441] kasan_save_track+0x18/0x40 [ 25.545612] kasan_save_alloc_info+0x3b/0x50 [ 25.545884] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 25.546142] remove_element+0x11e/0x190 [ 25.546348] mempool_alloc_preallocated+0x4d/0x90 [ 25.546605] mempool_oob_right_helper+0x8a/0x380 [ 25.546851] mempool_slab_oob_right+0xed/0x140 [ 25.547042] kunit_try_run_case+0x1a5/0x480 [ 25.547254] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.547532] kthread+0x337/0x6f0 [ 25.547657] ret_from_fork+0x116/0x1d0 [ 25.547929] ret_from_fork_asm+0x1a/0x30 [ 25.548118] [ 25.548212] The buggy address belongs to the object at ffff888105922240 [ 25.548212] which belongs to the cache test_cache of size 123 [ 25.548724] The buggy address is located 0 bytes to the right of [ 25.548724] allocated 123-byte region [ffff888105922240, ffff8881059222bb) [ 25.549232] [ 25.549311] The buggy address belongs to the physical page: [ 25.549531] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105922 [ 25.549992] flags: 0x200000000000000(node=0|zone=2) [ 25.550206] page_type: f5(slab) [ 25.550349] raw: 0200000000000000 ffff888105920000 dead000000000122 0000000000000000 [ 25.550663] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 25.550893] page dumped because: kasan: bad access detected [ 25.551064] [ 25.551131] Memory state around the buggy address: [ 25.551286] ffff888105922180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.551662] ffff888105922200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 25.552003] >ffff888105922280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 25.552316] ^ [ 25.552538] ffff888105922300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.552949] ffff888105922380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.553166] ================================================================== [ 25.512881] ================================================================== [ 25.513689] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 25.514098] Read of size 1 at addr ffff888106126001 by task kunit_try_catch/271 [ 25.514329] [ 25.514416] CPU: 1 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 25.514475] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.514488] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.514511] Call Trace: [ 25.514536] <TASK> [ 25.514552] dump_stack_lvl+0x73/0xb0 [ 25.514585] print_report+0xd1/0x610 [ 25.514607] ? __virt_addr_valid+0x1db/0x2d0 [ 25.514633] ? mempool_oob_right_helper+0x318/0x380 [ 25.514656] ? kasan_addr_to_slab+0x11/0xa0 [ 25.514676] ? mempool_oob_right_helper+0x318/0x380 [ 25.514700] kasan_report+0x141/0x180 [ 25.514808] ? mempool_oob_right_helper+0x318/0x380 [ 25.514839] __asan_report_load1_noabort+0x18/0x20 [ 25.514864] mempool_oob_right_helper+0x318/0x380 [ 25.514889] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 25.514913] ? dequeue_entities+0x23f/0x1630 [ 25.514939] ? __kasan_check_write+0x18/0x20 [ 25.514963] ? __pfx_sched_clock_cpu+0x10/0x10 [ 25.514985] ? finish_task_switch.isra.0+0x153/0x700 [ 25.515010] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 25.515035] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 25.515062] ? __pfx_mempool_kmalloc+0x10/0x10 [ 25.515086] ? __pfx_mempool_kfree+0x10/0x10 [ 25.515110] ? __pfx_read_tsc+0x10/0x10 [ 25.515132] ? ktime_get_ts64+0x86/0x230 [ 25.515158] kunit_try_run_case+0x1a5/0x480 [ 25.515182] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.515204] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.515227] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.515248] ? __kthread_parkme+0x82/0x180 [ 25.515270] ? preempt_count_sub+0x50/0x80 [ 25.515292] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.515315] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.515342] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.515368] kthread+0x337/0x6f0 [ 25.515387] ? trace_preempt_on+0x20/0xc0 [ 25.515411] ? __pfx_kthread+0x10/0x10 [ 25.515432] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.515457] ? calculate_sigpending+0x7b/0xa0 [ 25.515480] ? __pfx_kthread+0x10/0x10 [ 25.515502] ret_from_fork+0x116/0x1d0 [ 25.515534] ? __pfx_kthread+0x10/0x10 [ 25.515555] ret_from_fork_asm+0x1a/0x30 [ 25.515718] </TASK> [ 25.515733] [ 25.523669] The buggy address belongs to the physical page: [ 25.523936] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106124 [ 25.524299] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 25.524783] flags: 0x200000000000040(head|node=0|zone=2) [ 25.525040] page_type: f8(unknown) [ 25.525163] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.525385] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.525695] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.526032] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.526726] head: 0200000000000002 ffffea0004184901 00000000ffffffff 00000000ffffffff [ 25.526965] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 25.527187] page dumped because: kasan: bad access detected [ 25.527413] [ 25.527502] Memory state around the buggy address: [ 25.527842] ffff888106125f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.528155] ffff888106125f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.528441] >ffff888106126000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.528878] ^ [ 25.529010] ffff888106126080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.529317] ffff888106126100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.529605] ================================================================== [ 25.486225] ================================================================== [ 25.486793] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 25.487131] Read of size 1 at addr ffff8881041b9d73 by task kunit_try_catch/269 [ 25.487465] [ 25.487587] CPU: 0 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 25.487746] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.487762] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.487788] Call Trace: [ 25.487810] <TASK> [ 25.487832] dump_stack_lvl+0x73/0xb0 [ 25.487871] print_report+0xd1/0x610 [ 25.487901] ? __virt_addr_valid+0x1db/0x2d0 [ 25.487934] ? mempool_oob_right_helper+0x318/0x380 [ 25.487962] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.487993] ? mempool_oob_right_helper+0x318/0x380 [ 25.488023] kasan_report+0x141/0x180 [ 25.488051] ? mempool_oob_right_helper+0x318/0x380 [ 25.488086] __asan_report_load1_noabort+0x18/0x20 [ 25.488116] mempool_oob_right_helper+0x318/0x380 [ 25.488146] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 25.488180] ? finish_task_switch.isra.0+0x153/0x700 [ 25.488214] mempool_kmalloc_oob_right+0xf2/0x150 [ 25.488243] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 25.488276] ? __pfx_mempool_kmalloc+0x10/0x10 [ 25.488308] ? __pfx_mempool_kfree+0x10/0x10 [ 25.488340] ? __pfx_read_tsc+0x10/0x10 [ 25.488368] ? ktime_get_ts64+0x86/0x230 [ 25.488400] kunit_try_run_case+0x1a5/0x480 [ 25.488431] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.488458] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.488486] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.488515] ? __kthread_parkme+0x82/0x180 [ 25.488553] ? preempt_count_sub+0x50/0x80 [ 25.488583] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.488612] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.488644] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.488677] kthread+0x337/0x6f0 [ 25.488702] ? trace_preempt_on+0x20/0xc0 [ 25.488732] ? __pfx_kthread+0x10/0x10 [ 25.488759] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.488789] ? calculate_sigpending+0x7b/0xa0 [ 25.488820] ? __pfx_kthread+0x10/0x10 [ 25.488847] ret_from_fork+0x116/0x1d0 [ 25.488871] ? __pfx_kthread+0x10/0x10 [ 25.488897] ret_from_fork_asm+0x1a/0x30 [ 25.488939] </TASK> [ 25.488952] [ 25.498719] Allocated by task 269: [ 25.498892] kasan_save_stack+0x45/0x70 [ 25.499081] kasan_save_track+0x18/0x40 [ 25.499257] kasan_save_alloc_info+0x3b/0x50 [ 25.499460] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 25.500104] remove_element+0x11e/0x190 [ 25.500306] mempool_alloc_preallocated+0x4d/0x90 [ 25.500673] mempool_oob_right_helper+0x8a/0x380 [ 25.500979] mempool_kmalloc_oob_right+0xf2/0x150 [ 25.501173] kunit_try_run_case+0x1a5/0x480 [ 25.501473] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.501780] kthread+0x337/0x6f0 [ 25.502068] ret_from_fork+0x116/0x1d0 [ 25.502266] ret_from_fork_asm+0x1a/0x30 [ 25.502611] [ 25.502761] The buggy address belongs to the object at ffff8881041b9d00 [ 25.502761] which belongs to the cache kmalloc-128 of size 128 [ 25.503351] The buggy address is located 0 bytes to the right of [ 25.503351] allocated 115-byte region [ffff8881041b9d00, ffff8881041b9d73) [ 25.504099] [ 25.504183] The buggy address belongs to the physical page: [ 25.504559] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1041b9 [ 25.504960] flags: 0x200000000000000(node=0|zone=2) [ 25.505148] page_type: f5(slab) [ 25.505395] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 25.505692] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.506175] page dumped because: kasan: bad access detected [ 25.506487] [ 25.506577] Memory state around the buggy address: [ 25.506846] ffff8881041b9c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.507299] ffff8881041b9c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.507702] >ffff8881041b9d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 25.507987] ^ [ 25.508355] ffff8881041b9d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.508693] ffff8881041b9e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 25.509104] ==================================================================