Date
July 23, 2025, 2:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.401610] ================================================================== [ 17.401904] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.402040] Read of size 1 at addr fff00000c3fae2bb by task kunit_try_catch/225 [ 17.402200] [ 17.402263] CPU: 1 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 17.402650] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.402679] Hardware name: linux,dummy-virt (DT) [ 17.402721] Call trace: [ 17.402785] show_stack+0x20/0x38 (C) [ 17.402879] dump_stack_lvl+0x8c/0xd0 [ 17.402929] print_report+0x118/0x5d0 [ 17.403000] kasan_report+0xdc/0x128 [ 17.403062] __asan_report_load1_noabort+0x20/0x30 [ 17.403445] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.403721] mempool_slab_oob_right+0xc0/0x118 [ 17.403773] kunit_try_run_case+0x170/0x3f0 [ 17.403822] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.403886] kthread+0x328/0x630 [ 17.403930] ret_from_fork+0x10/0x20 [ 17.404068] [ 17.404089] Allocated by task 225: [ 17.404293] kasan_save_stack+0x3c/0x68 [ 17.404341] kasan_save_track+0x20/0x40 [ 17.404419] kasan_save_alloc_info+0x40/0x58 [ 17.404602] __kasan_mempool_unpoison_object+0xbc/0x180 [ 17.404669] remove_element+0x16c/0x1f8 [ 17.404708] mempool_alloc_preallocated+0x58/0xc0 [ 17.404746] mempool_oob_right_helper+0x98/0x2f0 [ 17.404804] mempool_slab_oob_right+0xc0/0x118 [ 17.404978] kunit_try_run_case+0x170/0x3f0 [ 17.405062] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.405189] kthread+0x328/0x630 [ 17.405281] ret_from_fork+0x10/0x20 [ 17.405336] [ 17.405356] The buggy address belongs to the object at fff00000c3fae240 [ 17.405356] which belongs to the cache test_cache of size 123 [ 17.405416] The buggy address is located 0 bytes to the right of [ 17.405416] allocated 123-byte region [fff00000c3fae240, fff00000c3fae2bb) [ 17.405484] [ 17.405526] The buggy address belongs to the physical page: [ 17.405563] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103fae [ 17.405704] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.405809] page_type: f5(slab) [ 17.406224] raw: 0bfffe0000000000 fff00000c3f17a00 dead000000000122 0000000000000000 [ 17.406685] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 17.406892] page dumped because: kasan: bad access detected [ 17.406927] [ 17.406947] Memory state around the buggy address: [ 17.406981] fff00000c3fae180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.407258] fff00000c3fae200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 17.407308] >fff00000c3fae280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 17.407348] ^ [ 17.407384] fff00000c3fae300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.407455] fff00000c3fae380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.407540] ================================================================== [ 17.382520] ================================================================== [ 17.382598] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.382655] Read of size 1 at addr fff00000c784e001 by task kunit_try_catch/223 [ 17.382708] [ 17.382913] CPU: 1 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 17.383037] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.383075] Hardware name: linux,dummy-virt (DT) [ 17.383211] Call trace: [ 17.383237] show_stack+0x20/0x38 (C) [ 17.383289] dump_stack_lvl+0x8c/0xd0 [ 17.383336] print_report+0x118/0x5d0 [ 17.383381] kasan_report+0xdc/0x128 [ 17.383426] __asan_report_load1_noabort+0x20/0x30 [ 17.383475] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.383525] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 17.383577] kunit_try_run_case+0x170/0x3f0 [ 17.383636] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.383689] kthread+0x328/0x630 [ 17.384044] ret_from_fork+0x10/0x20 [ 17.384104] [ 17.384376] The buggy address belongs to the physical page: [ 17.384556] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10784c [ 17.384618] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.384665] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.384731] page_type: f8(unknown) [ 17.384772] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.385208] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.385649] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.385805] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.385964] head: 0bfffe0000000002 ffffc1ffc31e1301 00000000ffffffff 00000000ffffffff [ 17.386109] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.386279] page dumped because: kasan: bad access detected [ 17.386315] [ 17.386334] Memory state around the buggy address: [ 17.386369] fff00000c784df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.386759] fff00000c784df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.386827] >fff00000c784e000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.386876] ^ [ 17.387034] fff00000c784e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.387087] fff00000c784e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.387288] ================================================================== [ 17.373030] ================================================================== [ 17.373118] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.373193] Read of size 1 at addr fff00000c3f39d73 by task kunit_try_catch/221 [ 17.373245] [ 17.373285] CPU: 1 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 17.373371] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.373400] Hardware name: linux,dummy-virt (DT) [ 17.373432] Call trace: [ 17.373458] show_stack+0x20/0x38 (C) [ 17.373510] dump_stack_lvl+0x8c/0xd0 [ 17.373562] print_report+0x118/0x5d0 [ 17.373609] kasan_report+0xdc/0x128 [ 17.373654] __asan_report_load1_noabort+0x20/0x30 [ 17.373705] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.373754] mempool_kmalloc_oob_right+0xc4/0x120 [ 17.373804] kunit_try_run_case+0x170/0x3f0 [ 17.373874] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.373927] kthread+0x328/0x630 [ 17.373973] ret_from_fork+0x10/0x20 [ 17.374022] [ 17.374040] Allocated by task 221: [ 17.374072] kasan_save_stack+0x3c/0x68 [ 17.374114] kasan_save_track+0x20/0x40 [ 17.374152] kasan_save_alloc_info+0x40/0x58 [ 17.374192] __kasan_mempool_unpoison_object+0x11c/0x180 [ 17.374237] remove_element+0x130/0x1f8 [ 17.374275] mempool_alloc_preallocated+0x58/0xc0 [ 17.374316] mempool_oob_right_helper+0x98/0x2f0 [ 17.374357] mempool_kmalloc_oob_right+0xc4/0x120 [ 17.374395] kunit_try_run_case+0x170/0x3f0 [ 17.374434] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.374483] kthread+0x328/0x630 [ 17.374515] ret_from_fork+0x10/0x20 [ 17.374552] [ 17.374617] The buggy address belongs to the object at fff00000c3f39d00 [ 17.374617] which belongs to the cache kmalloc-128 of size 128 [ 17.374692] The buggy address is located 0 bytes to the right of [ 17.374692] allocated 115-byte region [fff00000c3f39d00, fff00000c3f39d73) [ 17.374762] [ 17.374784] The buggy address belongs to the physical page: [ 17.374819] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f39 [ 17.374890] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.374945] page_type: f5(slab) [ 17.374989] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.375042] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.375085] page dumped because: kasan: bad access detected [ 17.375117] [ 17.375135] Memory state around the buggy address: [ 17.375171] fff00000c3f39c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.375217] fff00000c3f39c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.375262] >fff00000c3f39d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 17.375302] ^ [ 17.375343] fff00000c3f39d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.375388] fff00000c3f39e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 17.375427] ==================================================================
[ 14.077081] ================================================================== [ 14.077945] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.078306] Read of size 1 at addr ffff888102b132bb by task kunit_try_catch/242 [ 14.078701] [ 14.078825] CPU: 0 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 14.078869] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.078882] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.078903] Call Trace: [ 14.078916] <TASK> [ 14.078951] dump_stack_lvl+0x73/0xb0 [ 14.078996] print_report+0xd1/0x610 [ 14.079018] ? __virt_addr_valid+0x1db/0x2d0 [ 14.079042] ? mempool_oob_right_helper+0x318/0x380 [ 14.079064] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.079086] ? mempool_oob_right_helper+0x318/0x380 [ 14.079109] kasan_report+0x141/0x180 [ 14.079131] ? mempool_oob_right_helper+0x318/0x380 [ 14.079159] __asan_report_load1_noabort+0x18/0x20 [ 14.079185] mempool_oob_right_helper+0x318/0x380 [ 14.079224] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.079248] ? update_load_avg+0x1be/0x21b0 [ 14.079275] ? finish_task_switch.isra.0+0x153/0x700 [ 14.079301] mempool_slab_oob_right+0xed/0x140 [ 14.079383] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 14.079415] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 14.079441] ? __pfx_mempool_free_slab+0x10/0x10 [ 14.079469] ? __pfx_read_tsc+0x10/0x10 [ 14.079491] ? ktime_get_ts64+0x86/0x230 [ 14.079534] kunit_try_run_case+0x1a5/0x480 [ 14.079560] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.079583] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.079606] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.079629] ? __kthread_parkme+0x82/0x180 [ 14.079650] ? preempt_count_sub+0x50/0x80 [ 14.079674] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.079699] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.079722] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.079746] kthread+0x337/0x6f0 [ 14.079766] ? trace_preempt_on+0x20/0xc0 [ 14.079789] ? __pfx_kthread+0x10/0x10 [ 14.079810] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.079842] ? calculate_sigpending+0x7b/0xa0 [ 14.079866] ? __pfx_kthread+0x10/0x10 [ 14.079887] ret_from_fork+0x116/0x1d0 [ 14.079906] ? __pfx_kthread+0x10/0x10 [ 14.079927] ret_from_fork_asm+0x1a/0x30 [ 14.079957] </TASK> [ 14.079967] [ 14.088856] Allocated by task 242: [ 14.089046] kasan_save_stack+0x45/0x70 [ 14.089271] kasan_save_track+0x18/0x40 [ 14.089406] kasan_save_alloc_info+0x3b/0x50 [ 14.089807] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 14.090087] remove_element+0x11e/0x190 [ 14.090245] mempool_alloc_preallocated+0x4d/0x90 [ 14.090523] mempool_oob_right_helper+0x8a/0x380 [ 14.090780] mempool_slab_oob_right+0xed/0x140 [ 14.091164] kunit_try_run_case+0x1a5/0x480 [ 14.091581] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.091837] kthread+0x337/0x6f0 [ 14.091999] ret_from_fork+0x116/0x1d0 [ 14.092188] ret_from_fork_asm+0x1a/0x30 [ 14.092409] [ 14.092509] The buggy address belongs to the object at ffff888102b13240 [ 14.092509] which belongs to the cache test_cache of size 123 [ 14.093085] The buggy address is located 0 bytes to the right of [ 14.093085] allocated 123-byte region [ffff888102b13240, ffff888102b132bb) [ 14.093620] [ 14.093691] The buggy address belongs to the physical page: [ 14.093874] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b13 [ 14.094107] flags: 0x200000000000000(node=0|zone=2) [ 14.094625] page_type: f5(slab) [ 14.094844] raw: 0200000000000000 ffff888101a35dc0 dead000000000122 0000000000000000 [ 14.095210] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 14.095648] page dumped because: kasan: bad access detected [ 14.095963] [ 14.096038] Memory state around the buggy address: [ 14.096332] ffff888102b13180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.096658] ffff888102b13200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 14.096972] >ffff888102b13280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 14.097558] ^ [ 14.097766] ffff888102b13300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.098107] ffff888102b13380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.098500] ================================================================== [ 14.047397] ================================================================== [ 14.047928] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.048494] Read of size 1 at addr ffff888103a76001 by task kunit_try_catch/240 [ 14.048848] [ 14.049211] CPU: 1 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 14.049262] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.049275] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.049297] Call Trace: [ 14.049311] <TASK> [ 14.049326] dump_stack_lvl+0x73/0xb0 [ 14.049359] print_report+0xd1/0x610 [ 14.049381] ? __virt_addr_valid+0x1db/0x2d0 [ 14.049427] ? mempool_oob_right_helper+0x318/0x380 [ 14.049451] ? kasan_addr_to_slab+0x11/0xa0 [ 14.049470] ? mempool_oob_right_helper+0x318/0x380 [ 14.049494] kasan_report+0x141/0x180 [ 14.049516] ? mempool_oob_right_helper+0x318/0x380 [ 14.049543] __asan_report_load1_noabort+0x18/0x20 [ 14.049567] mempool_oob_right_helper+0x318/0x380 [ 14.049590] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.049616] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.049639] ? finish_task_switch.isra.0+0x153/0x700 [ 14.049664] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 14.049688] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 14.049716] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.049740] ? __pfx_mempool_kfree+0x10/0x10 [ 14.049765] ? __pfx_read_tsc+0x10/0x10 [ 14.049786] ? ktime_get_ts64+0x86/0x230 [ 14.049810] kunit_try_run_case+0x1a5/0x480 [ 14.049848] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.049870] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.049894] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.049917] ? __kthread_parkme+0x82/0x180 [ 14.049938] ? preempt_count_sub+0x50/0x80 [ 14.049960] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.049984] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.050008] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.050031] kthread+0x337/0x6f0 [ 14.050050] ? trace_preempt_on+0x20/0xc0 [ 14.050073] ? __pfx_kthread+0x10/0x10 [ 14.050108] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.050129] ? calculate_sigpending+0x7b/0xa0 [ 14.050153] ? __pfx_kthread+0x10/0x10 [ 14.050173] ret_from_fork+0x116/0x1d0 [ 14.050192] ? __pfx_kthread+0x10/0x10 [ 14.050212] ret_from_fork_asm+0x1a/0x30 [ 14.050242] </TASK> [ 14.050252] [ 14.062674] The buggy address belongs to the physical page: [ 14.063010] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a74 [ 14.063751] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.064100] flags: 0x200000000000040(head|node=0|zone=2) [ 14.064661] page_type: f8(unknown) [ 14.064931] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.065420] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.065871] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.066371] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.066722] head: 0200000000000002 ffffea00040e9d01 00000000ffffffff 00000000ffffffff [ 14.067067] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 14.067742] page dumped because: kasan: bad access detected [ 14.068172] [ 14.068365] Memory state around the buggy address: [ 14.068694] ffff888103a75f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.069156] ffff888103a75f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.069707] >ffff888103a76000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.070014] ^ [ 14.070474] ffff888103a76080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.070773] ffff888103a76100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.071123] ================================================================== [ 14.018518] ================================================================== [ 14.018980] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.019604] Read of size 1 at addr ffff888102af7d73 by task kunit_try_catch/238 [ 14.020002] [ 14.020249] CPU: 0 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 14.020305] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.020317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.020342] Call Trace: [ 14.020355] <TASK> [ 14.020374] dump_stack_lvl+0x73/0xb0 [ 14.020407] print_report+0xd1/0x610 [ 14.020430] ? __virt_addr_valid+0x1db/0x2d0 [ 14.020455] ? mempool_oob_right_helper+0x318/0x380 [ 14.020478] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.020501] ? mempool_oob_right_helper+0x318/0x380 [ 14.020525] kasan_report+0x141/0x180 [ 14.020547] ? mempool_oob_right_helper+0x318/0x380 [ 14.020574] __asan_report_load1_noabort+0x18/0x20 [ 14.020598] mempool_oob_right_helper+0x318/0x380 [ 14.020623] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.020645] ? update_load_avg+0x1be/0x21b0 [ 14.020670] ? dequeue_entities+0x27e/0x1740 [ 14.020696] ? finish_task_switch.isra.0+0x153/0x700 [ 14.020722] mempool_kmalloc_oob_right+0xf2/0x150 [ 14.020745] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 14.020770] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.020796] ? __pfx_mempool_kfree+0x10/0x10 [ 14.020832] ? __pfx_read_tsc+0x10/0x10 [ 14.020861] ? ktime_get_ts64+0x86/0x230 [ 14.020886] kunit_try_run_case+0x1a5/0x480 [ 14.020913] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.020934] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.020959] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.020982] ? __kthread_parkme+0x82/0x180 [ 14.021004] ? preempt_count_sub+0x50/0x80 [ 14.021026] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.021049] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.021073] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.021108] kthread+0x337/0x6f0 [ 14.021128] ? trace_preempt_on+0x20/0xc0 [ 14.021151] ? __pfx_kthread+0x10/0x10 [ 14.021172] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.021193] ? calculate_sigpending+0x7b/0xa0 [ 14.021240] ? __pfx_kthread+0x10/0x10 [ 14.021261] ret_from_fork+0x116/0x1d0 [ 14.021281] ? __pfx_kthread+0x10/0x10 [ 14.021301] ret_from_fork_asm+0x1a/0x30 [ 14.021332] </TASK> [ 14.021343] [ 14.031861] Allocated by task 238: [ 14.032077] kasan_save_stack+0x45/0x70 [ 14.032283] kasan_save_track+0x18/0x40 [ 14.032451] kasan_save_alloc_info+0x3b/0x50 [ 14.032750] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 14.033008] remove_element+0x11e/0x190 [ 14.033153] mempool_alloc_preallocated+0x4d/0x90 [ 14.033317] mempool_oob_right_helper+0x8a/0x380 [ 14.033540] mempool_kmalloc_oob_right+0xf2/0x150 [ 14.034056] kunit_try_run_case+0x1a5/0x480 [ 14.034875] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.035431] kthread+0x337/0x6f0 [ 14.035617] ret_from_fork+0x116/0x1d0 [ 14.035796] ret_from_fork_asm+0x1a/0x30 [ 14.035992] [ 14.036086] The buggy address belongs to the object at ffff888102af7d00 [ 14.036086] which belongs to the cache kmalloc-128 of size 128 [ 14.036913] The buggy address is located 0 bytes to the right of [ 14.036913] allocated 115-byte region [ffff888102af7d00, ffff888102af7d73) [ 14.038507] [ 14.038646] The buggy address belongs to the physical page: [ 14.038861] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102af7 [ 14.039292] flags: 0x200000000000000(node=0|zone=2) [ 14.039651] page_type: f5(slab) [ 14.039825] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.040154] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.040571] page dumped because: kasan: bad access detected [ 14.040759] [ 14.040871] Memory state around the buggy address: [ 14.041122] ffff888102af7c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.041522] ffff888102af7c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.041779] >ffff888102af7d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.042109] ^ [ 14.042472] ffff888102af7d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.042976] ffff888102af7e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.043353] ==================================================================