Date
June 23, 2025, 1:39 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 27.459032] ================================================================== [ 27.459253] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 27.459427] Read of size 1 at addr fff00000c706c2bb by task kunit_try_catch/227 [ 27.459700] [ 27.459936] CPU: 0 UID: 0 PID: 227 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT [ 27.460487] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.460670] Hardware name: linux,dummy-virt (DT) [ 27.460832] Call trace: [ 27.460888] show_stack+0x20/0x38 (C) [ 27.461106] dump_stack_lvl+0x8c/0xd0 [ 27.461236] print_report+0x118/0x608 [ 27.461351] kasan_report+0xdc/0x128 [ 27.461481] __asan_report_load1_noabort+0x20/0x30 [ 27.461819] mempool_oob_right_helper+0x2ac/0x2f0 [ 27.462103] mempool_slab_oob_right+0xc0/0x118 [ 27.462372] kunit_try_run_case+0x170/0x3f0 [ 27.462638] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.462875] kthread+0x328/0x630 [ 27.463095] ret_from_fork+0x10/0x20 [ 27.463321] [ 27.463375] Allocated by task 227: [ 27.463465] kasan_save_stack+0x3c/0x68 [ 27.463555] kasan_save_track+0x20/0x40 [ 27.463648] kasan_save_alloc_info+0x40/0x58 [ 27.463802] __kasan_mempool_unpoison_object+0xbc/0x180 [ 27.463912] remove_element+0x16c/0x1f8 [ 27.464000] mempool_alloc_preallocated+0x58/0xc0 [ 27.464130] mempool_oob_right_helper+0x98/0x2f0 [ 27.464239] mempool_slab_oob_right+0xc0/0x118 [ 27.464330] kunit_try_run_case+0x170/0x3f0 [ 27.464446] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.464567] kthread+0x328/0x630 [ 27.464662] ret_from_fork+0x10/0x20 [ 27.464917] [ 27.464977] The buggy address belongs to the object at fff00000c706c240 [ 27.464977] which belongs to the cache test_cache of size 123 [ 27.465115] The buggy address is located 0 bytes to the right of [ 27.465115] allocated 123-byte region [fff00000c706c240, fff00000c706c2bb) [ 27.465320] [ 27.465508] The buggy address belongs to the physical page: [ 27.465618] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10706c [ 27.465769] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 27.466074] page_type: f5(slab) [ 27.466277] raw: 0bfffe0000000000 fff00000c64b8280 dead000000000122 0000000000000000 [ 27.466416] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 27.466582] page dumped because: kasan: bad access detected [ 27.466668] [ 27.466719] Memory state around the buggy address: [ 27.466987] fff00000c706c180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.467100] fff00000c706c200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 27.467217] >fff00000c706c280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 27.467313] ^ [ 27.467551] fff00000c706c300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.467678] fff00000c706c380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.467773] ================================================================== [ 27.407248] ================================================================== [ 27.407343] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 27.407460] Read of size 1 at addr fff00000c76cf773 by task kunit_try_catch/223 [ 27.407524] [ 27.407571] CPU: 0 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT [ 27.407671] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.407704] Hardware name: linux,dummy-virt (DT) [ 27.407744] Call trace: [ 27.407773] show_stack+0x20/0x38 (C) [ 27.407835] dump_stack_lvl+0x8c/0xd0 [ 27.407893] print_report+0x118/0x608 [ 27.407949] kasan_report+0xdc/0x128 [ 27.408003] __asan_report_load1_noabort+0x20/0x30 [ 27.408064] mempool_oob_right_helper+0x2ac/0x2f0 [ 27.408124] mempool_kmalloc_oob_right+0xc4/0x120 [ 27.408187] kunit_try_run_case+0x170/0x3f0 [ 27.408251] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.408317] kthread+0x328/0x630 [ 27.408372] ret_from_fork+0x10/0x20 [ 27.408452] [ 27.408476] Allocated by task 223: [ 27.408509] kasan_save_stack+0x3c/0x68 [ 27.408559] kasan_save_track+0x20/0x40 [ 27.408602] kasan_save_alloc_info+0x40/0x58 [ 27.408651] __kasan_mempool_unpoison_object+0x11c/0x180 [ 27.408699] remove_element+0x130/0x1f8 [ 27.408750] mempool_alloc_preallocated+0x58/0xc0 [ 27.408800] mempool_oob_right_helper+0x98/0x2f0 [ 27.408851] mempool_kmalloc_oob_right+0xc4/0x120 [ 27.408902] kunit_try_run_case+0x170/0x3f0 [ 27.408950] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.409002] kthread+0x328/0x630 [ 27.409047] ret_from_fork+0x10/0x20 [ 27.409089] [ 27.409112] The buggy address belongs to the object at fff00000c76cf700 [ 27.409112] which belongs to the cache kmalloc-128 of size 128 [ 27.409203] The buggy address is located 0 bytes to the right of [ 27.409203] allocated 115-byte region [fff00000c76cf700, fff00000c76cf773) [ 27.409280] [ 27.409304] The buggy address belongs to the physical page: [ 27.409343] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076cf [ 27.409422] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 27.409489] page_type: f5(slab) [ 27.409539] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 27.409601] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 27.409650] page dumped because: kasan: bad access detected [ 27.409689] [ 27.409710] Memory state around the buggy address: [ 27.409750] fff00000c76cf600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.409801] fff00000c76cf680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.409853] >fff00000c76cf700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 27.409898] ^ [ 27.409946] fff00000c76cf780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.409996] fff00000c76cf800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 27.410043] ================================================================== [ 27.424158] ================================================================== [ 27.424288] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 27.424447] Read of size 1 at addr fff00000c77e6001 by task kunit_try_catch/225 [ 27.424559] [ 27.424645] CPU: 0 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT [ 27.424838] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.424905] Hardware name: linux,dummy-virt (DT) [ 27.424984] Call trace: [ 27.425035] show_stack+0x20/0x38 (C) [ 27.425168] dump_stack_lvl+0x8c/0xd0 [ 27.425320] print_report+0x118/0x608 [ 27.426485] kasan_report+0xdc/0x128 [ 27.426631] __asan_report_load1_noabort+0x20/0x30 [ 27.427382] mempool_oob_right_helper+0x2ac/0x2f0 [ 27.427541] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 27.427865] kunit_try_run_case+0x170/0x3f0 [ 27.428030] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.428193] kthread+0x328/0x630 [ 27.428501] ret_from_fork+0x10/0x20 [ 27.428660] [ 27.428710] The buggy address belongs to the physical page: [ 27.428794] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077e4 [ 27.429132] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 27.429261] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 27.429410] page_type: f8(unknown) [ 27.429527] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 27.429663] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 27.429817] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 27.429952] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 27.430678] head: 0bfffe0000000002 ffffc1ffc31df901 00000000ffffffff 00000000ffffffff [ 27.430831] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 27.431192] page dumped because: kasan: bad access detected [ 27.431800] [ 27.431856] Memory state around the buggy address: [ 27.432024] fff00000c77e5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.432134] fff00000c77e5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.432236] >fff00000c77e6000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 27.432409] ^ [ 27.432497] fff00000c77e6080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 27.432753] fff00000c77e6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 27.432876] ==================================================================
[ 19.218421] ================================================================== [ 19.219669] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 19.220478] Read of size 1 at addr ffff88810a06fa73 by task kunit_try_catch/242 [ 19.221201] [ 19.221787] CPU: 1 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT(voluntary) [ 19.221919] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.221957] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.222013] Call Trace: [ 19.222050] <TASK> [ 19.222098] dump_stack_lvl+0x73/0xb0 [ 19.222182] print_report+0xd1/0x650 [ 19.222368] ? __virt_addr_valid+0x1db/0x2d0 [ 19.222452] ? mempool_oob_right_helper+0x318/0x380 [ 19.222521] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.222559] ? mempool_oob_right_helper+0x318/0x380 [ 19.222619] kasan_report+0x141/0x180 [ 19.222700] ? mempool_oob_right_helper+0x318/0x380 [ 19.222793] __asan_report_load1_noabort+0x18/0x20 [ 19.222869] mempool_oob_right_helper+0x318/0x380 [ 19.222939] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 19.222978] ? dequeue_entities+0x852/0x1740 [ 19.223016] ? finish_task_switch.isra.0+0x153/0x700 [ 19.223057] mempool_kmalloc_oob_right+0xf2/0x150 [ 19.223094] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 19.223129] ? dequeue_task_fair+0x166/0x4e0 [ 19.223162] ? __pfx_mempool_kmalloc+0x10/0x10 [ 19.223194] ? __pfx_mempool_kfree+0x10/0x10 [ 19.223271] ? __pfx_read_tsc+0x10/0x10 [ 19.223313] ? ktime_get_ts64+0x86/0x230 [ 19.223352] kunit_try_run_case+0x1a5/0x480 [ 19.223392] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.223428] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.223466] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.223502] ? __kthread_parkme+0x82/0x180 [ 19.223536] ? preempt_count_sub+0x50/0x80 [ 19.223573] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.223716] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.223763] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.223798] kthread+0x337/0x6f0 [ 19.223823] ? trace_preempt_on+0x20/0xc0 [ 19.223861] ? __pfx_kthread+0x10/0x10 [ 19.223887] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.223920] ? calculate_sigpending+0x7b/0xa0 [ 19.223952] ? __pfx_kthread+0x10/0x10 [ 19.223978] ret_from_fork+0x41/0x80 [ 19.224008] ? __pfx_kthread+0x10/0x10 [ 19.224034] ret_from_fork_asm+0x1a/0x30 [ 19.224078] </TASK> [ 19.224094] [ 19.244795] Allocated by task 242: [ 19.245208] kasan_save_stack+0x45/0x70 [ 19.246130] kasan_save_track+0x18/0x40 [ 19.246759] kasan_save_alloc_info+0x3b/0x50 [ 19.247280] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 19.248034] remove_element+0x11e/0x190 [ 19.248562] mempool_alloc_preallocated+0x4d/0x90 [ 19.249347] mempool_oob_right_helper+0x8a/0x380 [ 19.250095] mempool_kmalloc_oob_right+0xf2/0x150 [ 19.250789] kunit_try_run_case+0x1a5/0x480 [ 19.251207] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.252061] kthread+0x337/0x6f0 [ 19.252546] ret_from_fork+0x41/0x80 [ 19.253187] ret_from_fork_asm+0x1a/0x30 [ 19.253966] [ 19.254125] The buggy address belongs to the object at ffff88810a06fa00 [ 19.254125] which belongs to the cache kmalloc-128 of size 128 [ 19.255496] The buggy address is located 0 bytes to the right of [ 19.255496] allocated 115-byte region [ffff88810a06fa00, ffff88810a06fa73) [ 19.256696] [ 19.256918] The buggy address belongs to the physical page: [ 19.257659] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a06f [ 19.258807] flags: 0x200000000000000(node=0|zone=2) [ 19.259313] page_type: f5(slab) [ 19.259874] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 19.260520] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.261386] page dumped because: kasan: bad access detected [ 19.262167] [ 19.262509] Memory state around the buggy address: [ 19.263153] ffff88810a06f900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.263916] ffff88810a06f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.264558] >ffff88810a06fa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 19.265375] ^ [ 19.266207] ffff88810a06fa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.267075] ffff88810a06fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 19.267835] ================================================================== [ 19.326019] ================================================================== [ 19.327090] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 19.328056] Read of size 1 at addr ffff88810a08a2bb by task kunit_try_catch/246 [ 19.329112] [ 19.329424] CPU: 1 UID: 0 PID: 246 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT(voluntary) [ 19.329554] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.329593] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.329676] Call Trace: [ 19.329719] <TASK> [ 19.329781] dump_stack_lvl+0x73/0xb0 [ 19.329907] print_report+0xd1/0x650 [ 19.330010] ? __virt_addr_valid+0x1db/0x2d0 [ 19.330081] ? mempool_oob_right_helper+0x318/0x380 [ 19.330159] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.330198] ? mempool_oob_right_helper+0x318/0x380 [ 19.330274] kasan_report+0x141/0x180 [ 19.330311] ? mempool_oob_right_helper+0x318/0x380 [ 19.330354] __asan_report_load1_noabort+0x18/0x20 [ 19.330384] mempool_oob_right_helper+0x318/0x380 [ 19.330421] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 19.330461] ? finish_task_switch.isra.0+0x153/0x700 [ 19.330500] mempool_slab_oob_right+0xed/0x140 [ 19.330530] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 19.330558] ? dequeue_task_fair+0x166/0x4e0 [ 19.330589] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 19.330669] ? __pfx_mempool_free_slab+0x10/0x10 [ 19.330745] ? __pfx_read_tsc+0x10/0x10 [ 19.330779] ? ktime_get_ts64+0x86/0x230 [ 19.330811] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 19.330850] kunit_try_run_case+0x1a5/0x480 [ 19.330888] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.330920] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.330955] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.330987] ? __kthread_parkme+0x82/0x180 [ 19.331019] ? preempt_count_sub+0x50/0x80 [ 19.331053] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.331087] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.331122] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.331156] kthread+0x337/0x6f0 [ 19.331179] ? trace_preempt_on+0x20/0xc0 [ 19.331216] ? __pfx_kthread+0x10/0x10 [ 19.331269] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.331302] ? calculate_sigpending+0x7b/0xa0 [ 19.331333] ? __pfx_kthread+0x10/0x10 [ 19.331358] ret_from_fork+0x41/0x80 [ 19.331389] ? __pfx_kthread+0x10/0x10 [ 19.331413] ret_from_fork_asm+0x1a/0x30 [ 19.331456] </TASK> [ 19.331470] [ 19.351352] Allocated by task 246: [ 19.351958] kasan_save_stack+0x45/0x70 [ 19.352454] kasan_save_track+0x18/0x40 [ 19.353083] kasan_save_alloc_info+0x3b/0x50 [ 19.353788] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 19.354400] remove_element+0x11e/0x190 [ 19.355055] mempool_alloc_preallocated+0x4d/0x90 [ 19.355853] mempool_oob_right_helper+0x8a/0x380 [ 19.356405] mempool_slab_oob_right+0xed/0x140 [ 19.357074] kunit_try_run_case+0x1a5/0x480 [ 19.357737] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.358368] kthread+0x337/0x6f0 [ 19.358875] ret_from_fork+0x41/0x80 [ 19.359278] ret_from_fork_asm+0x1a/0x30 [ 19.359756] [ 19.359943] The buggy address belongs to the object at ffff88810a08a240 [ 19.359943] which belongs to the cache test_cache of size 123 [ 19.360904] The buggy address is located 0 bytes to the right of [ 19.360904] allocated 123-byte region [ffff88810a08a240, ffff88810a08a2bb) [ 19.362138] [ 19.362368] The buggy address belongs to the physical page: [ 19.362989] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a08a [ 19.363950] flags: 0x200000000000000(node=0|zone=2) [ 19.364519] page_type: f5(slab) [ 19.365103] raw: 0200000000000000 ffff888101611c80 dead000000000122 0000000000000000 [ 19.365996] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 19.366503] page dumped because: kasan: bad access detected [ 19.367157] [ 19.367736] Memory state around the buggy address: [ 19.368179] ffff88810a08a180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.368734] ffff88810a08a200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 19.369523] >ffff88810a08a280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 19.370391] ^ [ 19.370857] ffff88810a08a300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.371944] ffff88810a08a380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.372664] ================================================================== [ 19.275099] ================================================================== [ 19.276477] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 19.277549] Read of size 1 at addr ffff888102c06001 by task kunit_try_catch/244 [ 19.278599] [ 19.278898] CPU: 0 UID: 0 PID: 244 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT(voluntary) [ 19.279053] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.279093] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.279152] Call Trace: [ 19.279190] <TASK> [ 19.279282] dump_stack_lvl+0x73/0xb0 [ 19.279399] print_report+0xd1/0x650 [ 19.279468] ? __virt_addr_valid+0x1db/0x2d0 [ 19.279506] ? mempool_oob_right_helper+0x318/0x380 [ 19.279545] ? kasan_addr_to_slab+0x11/0xa0 [ 19.279578] ? mempool_oob_right_helper+0x318/0x380 [ 19.279671] kasan_report+0x141/0x180 [ 19.279752] ? mempool_oob_right_helper+0x318/0x380 [ 19.279820] __asan_report_load1_noabort+0x18/0x20 [ 19.279855] mempool_oob_right_helper+0x318/0x380 [ 19.279895] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 19.279931] ? dequeue_entities+0x852/0x1740 [ 19.279970] ? finish_task_switch.isra.0+0x153/0x700 [ 19.280009] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 19.280047] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 19.280085] ? dequeue_task_fair+0x166/0x4e0 [ 19.280118] ? __pfx_mempool_kmalloc+0x10/0x10 [ 19.280151] ? __pfx_mempool_kfree+0x10/0x10 [ 19.280183] ? __pfx_read_tsc+0x10/0x10 [ 19.280212] ? ktime_get_ts64+0x86/0x230 [ 19.280251] kunit_try_run_case+0x1a5/0x480 [ 19.280296] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.280354] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.280394] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.280430] ? __kthread_parkme+0x82/0x180 [ 19.280463] ? preempt_count_sub+0x50/0x80 [ 19.280498] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.280534] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.280568] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.280842] kthread+0x337/0x6f0 [ 19.280884] ? trace_preempt_on+0x20/0xc0 [ 19.280925] ? __pfx_kthread+0x10/0x10 [ 19.280952] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.280985] ? calculate_sigpending+0x7b/0xa0 [ 19.281017] ? __pfx_kthread+0x10/0x10 [ 19.281044] ret_from_fork+0x41/0x80 [ 19.281076] ? __pfx_kthread+0x10/0x10 [ 19.281101] ret_from_fork_asm+0x1a/0x30 [ 19.281146] </TASK> [ 19.281160] [ 19.302849] The buggy address belongs to the physical page: [ 19.303411] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c04 [ 19.304399] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.305343] flags: 0x200000000000040(head|node=0|zone=2) [ 19.305923] page_type: f8(unknown) [ 19.306319] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.307298] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.308068] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.308892] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.309505] head: 0200000000000002 ffffea00040b0101 00000000ffffffff 00000000ffffffff [ 19.310405] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 19.311075] page dumped because: kasan: bad access detected [ 19.311526] [ 19.312015] Memory state around the buggy address: [ 19.312745] ffff888102c05f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.313995] ffff888102c05f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.314913] >ffff888102c06000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.315458] ^ [ 19.315941] ffff888102c06080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.317092] ffff888102c06100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.317742] ==================================================================