Date
July 6, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.088961] ================================================================== [ 20.089328] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 20.089414] Read of size 1 at addr fff00000c56ed373 by task kunit_try_catch/221 [ 20.089656] [ 20.089727] CPU: 1 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.089924] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.090059] Hardware name: linux,dummy-virt (DT) [ 20.090095] Call trace: [ 20.090161] show_stack+0x20/0x38 (C) [ 20.090314] dump_stack_lvl+0x8c/0xd0 [ 20.090365] print_report+0x118/0x608 [ 20.090418] kasan_report+0xdc/0x128 [ 20.090469] __asan_report_load1_noabort+0x20/0x30 [ 20.090768] mempool_oob_right_helper+0x2ac/0x2f0 [ 20.090846] mempool_kmalloc_oob_right+0xc4/0x120 [ 20.091135] kunit_try_run_case+0x170/0x3f0 [ 20.091261] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.091674] kthread+0x328/0x630 [ 20.091720] ret_from_fork+0x10/0x20 [ 20.091770] [ 20.091891] Allocated by task 221: [ 20.091923] kasan_save_stack+0x3c/0x68 [ 20.092243] kasan_save_track+0x20/0x40 [ 20.092281] kasan_save_alloc_info+0x40/0x58 [ 20.092960] __kasan_mempool_unpoison_object+0x11c/0x180 [ 20.093096] remove_element+0x130/0x1f8 [ 20.093572] mempool_alloc_preallocated+0x58/0xc0 [ 20.093628] mempool_oob_right_helper+0x98/0x2f0 [ 20.093670] mempool_kmalloc_oob_right+0xc4/0x120 [ 20.093748] kunit_try_run_case+0x170/0x3f0 [ 20.094208] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.094469] kthread+0x328/0x630 [ 20.094509] ret_from_fork+0x10/0x20 [ 20.094892] [ 20.094955] The buggy address belongs to the object at fff00000c56ed300 [ 20.094955] which belongs to the cache kmalloc-128 of size 128 [ 20.095290] The buggy address is located 0 bytes to the right of [ 20.095290] allocated 115-byte region [fff00000c56ed300, fff00000c56ed373) [ 20.095424] [ 20.095564] The buggy address belongs to the physical page: [ 20.095600] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1056ed [ 20.095657] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.096030] page_type: f5(slab) [ 20.096094] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 20.096151] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 20.096583] page dumped because: kasan: bad access detected [ 20.096618] [ 20.096644] Memory state around the buggy address: [ 20.097012] fff00000c56ed200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.097075] fff00000c56ed280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.097119] >fff00000c56ed300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 20.097158] ^ [ 20.097215] fff00000c56ed380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.097582] fff00000c56ed400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 20.097834] ================================================================== [ 20.126985] ================================================================== [ 20.127261] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 20.127482] Read of size 1 at addr fff00000c56e32bb by task kunit_try_catch/225 [ 20.127546] [ 20.127672] CPU: 1 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.127912] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.128045] Hardware name: linux,dummy-virt (DT) [ 20.128247] Call trace: [ 20.128271] show_stack+0x20/0x38 (C) [ 20.128319] dump_stack_lvl+0x8c/0xd0 [ 20.128365] print_report+0x118/0x608 [ 20.128411] kasan_report+0xdc/0x128 [ 20.128456] __asan_report_load1_noabort+0x20/0x30 [ 20.128507] mempool_oob_right_helper+0x2ac/0x2f0 [ 20.128554] mempool_slab_oob_right+0xc0/0x118 [ 20.128663] kunit_try_run_case+0x170/0x3f0 [ 20.128719] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.128874] kthread+0x328/0x630 [ 20.128949] ret_from_fork+0x10/0x20 [ 20.128997] [ 20.129015] Allocated by task 225: [ 20.129053] kasan_save_stack+0x3c/0x68 [ 20.129094] kasan_save_track+0x20/0x40 [ 20.129130] kasan_save_alloc_info+0x40/0x58 [ 20.129171] __kasan_mempool_unpoison_object+0xbc/0x180 [ 20.129226] remove_element+0x16c/0x1f8 [ 20.129268] mempool_alloc_preallocated+0x58/0xc0 [ 20.129305] mempool_oob_right_helper+0x98/0x2f0 [ 20.129450] mempool_slab_oob_right+0xc0/0x118 [ 20.129592] kunit_try_run_case+0x170/0x3f0 [ 20.129776] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.129821] kthread+0x328/0x630 [ 20.129853] ret_from_fork+0x10/0x20 [ 20.129889] [ 20.129909] The buggy address belongs to the object at fff00000c56e3240 [ 20.129909] which belongs to the cache test_cache of size 123 [ 20.129965] The buggy address is located 0 bytes to the right of [ 20.129965] allocated 123-byte region [fff00000c56e3240, fff00000c56e32bb) [ 20.130027] [ 20.130047] The buggy address belongs to the physical page: [ 20.130078] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1056e3 [ 20.130152] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.130221] page_type: f5(slab) [ 20.130265] raw: 0bfffe0000000000 fff00000c56e6000 dead000000000122 0000000000000000 [ 20.130505] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 20.130574] page dumped because: kasan: bad access detected [ 20.130605] [ 20.130624] Memory state around the buggy address: [ 20.130704] fff00000c56e3180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.130808] fff00000c56e3200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 20.130902] >fff00000c56e3280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 20.131013] ^ [ 20.131097] fff00000c56e3300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.131163] fff00000c56e3380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.131221] ================================================================== [ 20.119301] ================================================================== [ 20.119378] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 20.119437] Read of size 1 at addr fff00000c78da001 by task kunit_try_catch/223 [ 20.119488] [ 20.119521] CPU: 1 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.119602] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.119630] Hardware name: linux,dummy-virt (DT) [ 20.119662] Call trace: [ 20.119685] show_stack+0x20/0x38 (C) [ 20.119732] dump_stack_lvl+0x8c/0xd0 [ 20.119778] print_report+0x118/0x608 [ 20.119825] kasan_report+0xdc/0x128 [ 20.119870] __asan_report_load1_noabort+0x20/0x30 [ 20.119919] mempool_oob_right_helper+0x2ac/0x2f0 [ 20.119968] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 20.120018] kunit_try_run_case+0x170/0x3f0 [ 20.120068] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.120120] kthread+0x328/0x630 [ 20.120160] ret_from_fork+0x10/0x20 [ 20.120217] [ 20.120239] The buggy address belongs to the physical page: [ 20.120273] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078d8 [ 20.120326] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 20.120371] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 20.120424] page_type: f8(unknown) [ 20.120463] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.120514] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 20.120563] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.120610] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 20.120659] head: 0bfffe0000000002 ffffc1ffc31e3601 00000000ffffffff 00000000ffffffff [ 20.120707] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 20.120747] page dumped because: kasan: bad access detected [ 20.120779] [ 20.120797] Memory state around the buggy address: [ 20.120829] fff00000c78d9f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.120871] fff00000c78d9f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.120913] >fff00000c78da000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 20.120951] ^ [ 20.120980] fff00000c78da080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 20.121021] fff00000c78da100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 20.121058] ==================================================================
[ 13.066564] ================================================================== [ 13.067281] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.067641] Read of size 1 at addr ffff888103aee001 by task kunit_try_catch/240 [ 13.068111] [ 13.068239] CPU: 1 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.068287] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.068299] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.068323] Call Trace: [ 13.068337] <TASK> [ 13.068355] dump_stack_lvl+0x73/0xb0 [ 13.068388] print_report+0xd1/0x650 [ 13.068412] ? __virt_addr_valid+0x1db/0x2d0 [ 13.068437] ? mempool_oob_right_helper+0x318/0x380 [ 13.068460] ? kasan_addr_to_slab+0x11/0xa0 [ 13.068548] ? mempool_oob_right_helper+0x318/0x380 [ 13.068578] kasan_report+0x141/0x180 [ 13.068621] ? mempool_oob_right_helper+0x318/0x380 [ 13.068650] __asan_report_load1_noabort+0x18/0x20 [ 13.068674] mempool_oob_right_helper+0x318/0x380 [ 13.068697] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.068722] ? __kasan_check_write+0x18/0x20 [ 13.068741] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.068764] ? finish_task_switch.isra.0+0x153/0x700 [ 13.068790] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 13.068814] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 13.068842] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.068865] ? __pfx_mempool_kfree+0x10/0x10 [ 13.068890] ? __pfx_read_tsc+0x10/0x10 [ 13.068913] ? ktime_get_ts64+0x86/0x230 [ 13.068954] kunit_try_run_case+0x1a5/0x480 [ 13.069000] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.069022] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.069048] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.069072] ? __kthread_parkme+0x82/0x180 [ 13.069093] ? preempt_count_sub+0x50/0x80 [ 13.069116] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.069139] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.069162] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.069186] kthread+0x337/0x6f0 [ 13.069206] ? trace_preempt_on+0x20/0xc0 [ 13.069230] ? __pfx_kthread+0x10/0x10 [ 13.069251] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.069272] ? calculate_sigpending+0x7b/0xa0 [ 13.069297] ? __pfx_kthread+0x10/0x10 [ 13.069318] ret_from_fork+0x116/0x1d0 [ 13.069337] ? __pfx_kthread+0x10/0x10 [ 13.069359] ret_from_fork_asm+0x1a/0x30 [ 13.069389] </TASK> [ 13.069402] [ 13.080558] The buggy address belongs to the physical page: [ 13.081230] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103aec [ 13.081565] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.082039] flags: 0x200000000000040(head|node=0|zone=2) [ 13.082301] page_type: f8(unknown) [ 13.082540] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.082988] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.083438] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.083809] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.084213] head: 0200000000000002 ffffea00040ebb01 00000000ffffffff 00000000ffffffff [ 13.085000] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.085829] page dumped because: kasan: bad access detected [ 13.086214] [ 13.086290] Memory state around the buggy address: [ 13.086453] ffff888103aedf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.087329] ffff888103aedf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.088103] >ffff888103aee000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 13.088448] ^ [ 13.088810] ffff888103aee080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 13.089409] ffff888103aee100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 13.089923] ================================================================== [ 13.094924] ================================================================== [ 13.096056] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.096633] Read of size 1 at addr ffff888103a142bb by task kunit_try_catch/242 [ 13.096862] [ 13.096987] CPU: 0 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.097037] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.097060] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.097083] Call Trace: [ 13.097098] <TASK> [ 13.097118] dump_stack_lvl+0x73/0xb0 [ 13.097151] print_report+0xd1/0x650 [ 13.097173] ? __virt_addr_valid+0x1db/0x2d0 [ 13.097199] ? mempool_oob_right_helper+0x318/0x380 [ 13.097222] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.097244] ? mempool_oob_right_helper+0x318/0x380 [ 13.097268] kasan_report+0x141/0x180 [ 13.097290] ? mempool_oob_right_helper+0x318/0x380 [ 13.097318] __asan_report_load1_noabort+0x18/0x20 [ 13.097342] mempool_oob_right_helper+0x318/0x380 [ 13.097366] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.097392] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.097415] ? finish_task_switch.isra.0+0x153/0x700 [ 13.097441] mempool_slab_oob_right+0xed/0x140 [ 13.097464] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 13.097490] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 13.097511] ? __pfx_mempool_free_slab+0x10/0x10 [ 13.097544] ? __pfx_read_tsc+0x10/0x10 [ 13.097565] ? ktime_get_ts64+0x86/0x230 [ 13.097591] kunit_try_run_case+0x1a5/0x480 [ 13.097627] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.097650] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.097674] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.097697] ? __kthread_parkme+0x82/0x180 [ 13.097719] ? preempt_count_sub+0x50/0x80 [ 13.097741] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.097764] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.097787] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.097810] kthread+0x337/0x6f0 [ 13.097830] ? trace_preempt_on+0x20/0xc0 [ 13.097854] ? __pfx_kthread+0x10/0x10 [ 13.097875] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.097895] ? calculate_sigpending+0x7b/0xa0 [ 13.097921] ? __pfx_kthread+0x10/0x10 [ 13.097952] ret_from_fork+0x116/0x1d0 [ 13.097969] ? __pfx_kthread+0x10/0x10 [ 13.097990] ret_from_fork_asm+0x1a/0x30 [ 13.098022] </TASK> [ 13.098034] [ 13.107927] Allocated by task 242: [ 13.108185] kasan_save_stack+0x45/0x70 [ 13.108395] kasan_save_track+0x18/0x40 [ 13.108776] kasan_save_alloc_info+0x3b/0x50 [ 13.108986] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 13.109282] remove_element+0x11e/0x190 [ 13.109421] mempool_alloc_preallocated+0x4d/0x90 [ 13.109576] mempool_oob_right_helper+0x8a/0x380 [ 13.109778] mempool_slab_oob_right+0xed/0x140 [ 13.110033] kunit_try_run_case+0x1a5/0x480 [ 13.110332] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.110841] kthread+0x337/0x6f0 [ 13.111049] ret_from_fork+0x116/0x1d0 [ 13.111254] ret_from_fork_asm+0x1a/0x30 [ 13.111411] [ 13.111485] The buggy address belongs to the object at ffff888103a14240 [ 13.111485] which belongs to the cache test_cache of size 123 [ 13.111919] The buggy address is located 0 bytes to the right of [ 13.111919] allocated 123-byte region [ffff888103a14240, ffff888103a142bb) [ 13.112566] [ 13.112655] The buggy address belongs to the physical page: [ 13.112834] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a14 [ 13.113086] flags: 0x200000000000000(node=0|zone=2) [ 13.113355] page_type: f5(slab) [ 13.113682] raw: 0200000000000000 ffff888101dc28c0 dead000000000122 0000000000000000 [ 13.114086] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 13.114515] page dumped because: kasan: bad access detected [ 13.114791] [ 13.114895] Memory state around the buggy address: [ 13.115167] ffff888103a14180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.115393] ffff888103a14200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 13.115800] >ffff888103a14280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 13.116225] ^ [ 13.116465] ffff888103a14300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.116776] ffff888103a14380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.117105] ================================================================== [ 13.031913] ================================================================== [ 13.032811] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.033202] Read of size 1 at addr ffff888102794773 by task kunit_try_catch/238 [ 13.036209] [ 13.036355] CPU: 1 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.036409] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.036680] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.036706] Call Trace: [ 13.036722] <TASK> [ 13.036744] dump_stack_lvl+0x73/0xb0 [ 13.036784] print_report+0xd1/0x650 [ 13.036809] ? __virt_addr_valid+0x1db/0x2d0 [ 13.036835] ? mempool_oob_right_helper+0x318/0x380 [ 13.036860] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.036883] ? mempool_oob_right_helper+0x318/0x380 [ 13.036909] kasan_report+0x141/0x180 [ 13.036931] ? mempool_oob_right_helper+0x318/0x380 [ 13.036970] __asan_report_load1_noabort+0x18/0x20 [ 13.036994] mempool_oob_right_helper+0x318/0x380 [ 13.037018] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.037045] ? finish_task_switch.isra.0+0x153/0x700 [ 13.037095] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.037132] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 13.037159] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.037184] ? __pfx_mempool_kfree+0x10/0x10 [ 13.037209] ? __pfx_read_tsc+0x10/0x10 [ 13.037231] ? ktime_get_ts64+0x86/0x230 [ 13.037256] kunit_try_run_case+0x1a5/0x480 [ 13.037283] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.037305] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.037330] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.037353] ? __kthread_parkme+0x82/0x180 [ 13.037375] ? preempt_count_sub+0x50/0x80 [ 13.037398] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.037421] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.037443] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.037485] kthread+0x337/0x6f0 [ 13.037504] ? trace_preempt_on+0x20/0xc0 [ 13.037528] ? __pfx_kthread+0x10/0x10 [ 13.037549] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.037570] ? calculate_sigpending+0x7b/0xa0 [ 13.037595] ? __pfx_kthread+0x10/0x10 [ 13.037616] ret_from_fork+0x116/0x1d0 [ 13.037635] ? __pfx_kthread+0x10/0x10 [ 13.037655] ret_from_fork_asm+0x1a/0x30 [ 13.037686] </TASK> [ 13.037699] [ 13.049374] Allocated by task 238: [ 13.049648] kasan_save_stack+0x45/0x70 [ 13.049900] kasan_save_track+0x18/0x40 [ 13.050289] kasan_save_alloc_info+0x3b/0x50 [ 13.050703] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.050958] remove_element+0x11e/0x190 [ 13.051355] mempool_alloc_preallocated+0x4d/0x90 [ 13.051873] mempool_oob_right_helper+0x8a/0x380 [ 13.052244] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.052463] kunit_try_run_case+0x1a5/0x480 [ 13.052911] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.053359] kthread+0x337/0x6f0 [ 13.053744] ret_from_fork+0x116/0x1d0 [ 13.053943] ret_from_fork_asm+0x1a/0x30 [ 13.054275] [ 13.054410] The buggy address belongs to the object at ffff888102794700 [ 13.054410] which belongs to the cache kmalloc-128 of size 128 [ 13.055276] The buggy address is located 0 bytes to the right of [ 13.055276] allocated 115-byte region [ffff888102794700, ffff888102794773) [ 13.056192] [ 13.056293] The buggy address belongs to the physical page: [ 13.056845] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102794 [ 13.057246] flags: 0x200000000000000(node=0|zone=2) [ 13.057649] page_type: f5(slab) [ 13.057796] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.058521] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.058859] page dumped because: kasan: bad access detected [ 13.059227] [ 13.059354] Memory state around the buggy address: [ 13.060009] ffff888102794600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.060492] ffff888102794680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.060819] >ffff888102794700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 13.061417] ^ [ 13.061754] ffff888102794780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.062222] ffff888102794800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 13.062713] ==================================================================