Date
Dec. 9, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.247313] ================================================================== [ 26.248393] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 26.249095] Read of size 1 at addr fff00000c6576001 by task kunit_try_catch/211 [ 26.250171] [ 26.250583] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.252180] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.253012] Hardware name: linux,dummy-virt (DT) [ 26.253581] Call trace: [ 26.253943] show_stack+0x20/0x38 (C) [ 26.254415] dump_stack_lvl+0x8c/0xd0 [ 26.255217] print_report+0x118/0x5e0 [ 26.255871] kasan_report+0xc8/0x118 [ 26.256626] __asan_report_load1_noabort+0x20/0x30 [ 26.257325] mempool_oob_right_helper+0x2ac/0x2f0 [ 26.258047] mempool_kmalloc_large_oob_right+0xbc/0x118 [ 26.258850] kunit_try_run_case+0x14c/0x3d0 [ 26.259638] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.260481] kthread+0x24c/0x2d0 [ 26.260964] ret_from_fork+0x10/0x20 [ 26.261447] [ 26.261800] The buggy address belongs to the physical page: [ 26.262403] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106574 [ 26.263880] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 26.264634] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 26.265633] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 26.266613] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 26.267569] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 26.268682] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 26.269604] head: 0bfffe0000000002 ffffc1ffc3195d01 ffffffffffffffff 0000000000000000 [ 26.270574] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 26.272079] page dumped because: kasan: bad access detected [ 26.272825] [ 26.273219] Memory state around the buggy address: [ 26.273943] fff00000c6575f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.274849] fff00000c6575f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.275658] >fff00000c6576000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.276376] ^ [ 26.276842] fff00000c6576080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.277585] fff00000c6576100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.278362] ================================================================== [ 26.199638] ================================================================== [ 26.200659] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 26.201484] Read of size 1 at addr fff00000c6514673 by task kunit_try_catch/209 [ 26.202181] [ 26.202520] CPU: 1 UID: 0 PID: 209 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.204041] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.204584] Hardware name: linux,dummy-virt (DT) [ 26.205135] Call trace: [ 26.205530] show_stack+0x20/0x38 (C) [ 26.206126] dump_stack_lvl+0x8c/0xd0 [ 26.206676] print_report+0x118/0x5e0 [ 26.207410] kasan_report+0xc8/0x118 [ 26.207978] __asan_report_load1_noabort+0x20/0x30 [ 26.208657] mempool_oob_right_helper+0x2ac/0x2f0 [ 26.209355] mempool_kmalloc_oob_right+0xbc/0x118 [ 26.209966] kunit_try_run_case+0x14c/0x3d0 [ 26.210596] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.211461] kthread+0x24c/0x2d0 [ 26.211990] ret_from_fork+0x10/0x20 [ 26.212541] [ 26.212937] Allocated by task 209: [ 26.213389] kasan_save_stack+0x3c/0x68 [ 26.213959] kasan_save_track+0x20/0x40 [ 26.214483] kasan_save_alloc_info+0x40/0x58 [ 26.215599] __kasan_mempool_unpoison_object+0x11c/0x180 [ 26.216201] remove_element+0x130/0x1f8 [ 26.216757] mempool_alloc_preallocated+0x58/0xc0 [ 26.217393] mempool_oob_right_helper+0x98/0x2f0 [ 26.218030] mempool_kmalloc_oob_right+0xbc/0x118 [ 26.218645] kunit_try_run_case+0x14c/0x3d0 [ 26.219508] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.220187] kthread+0x24c/0x2d0 [ 26.220721] ret_from_fork+0x10/0x20 [ 26.221226] [ 26.221528] The buggy address belongs to the object at fff00000c6514600 [ 26.221528] which belongs to the cache kmalloc-128 of size 128 [ 26.222772] The buggy address is located 0 bytes to the right of [ 26.222772] allocated 115-byte region [fff00000c6514600, fff00000c6514673) [ 26.224300] [ 26.224658] The buggy address belongs to the physical page: [ 26.225199] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106514 [ 26.226189] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.226889] page_type: f5(slab) [ 26.227725] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 26.228555] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.229397] page dumped because: kasan: bad access detected [ 26.230038] [ 26.230374] Memory state around the buggy address: [ 26.230980] fff00000c6514500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.231995] fff00000c6514580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.232642] >fff00000c6514600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 26.233291] ^ [ 26.234563] fff00000c6514680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.235518] fff00000c6514700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 26.236395] ================================================================== [ 26.288955] ================================================================== [ 26.290269] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 26.291238] Read of size 1 at addr fff00000c12042bb by task kunit_try_catch/213 [ 26.292213] [ 26.292687] CPU: 1 UID: 0 PID: 213 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.293855] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.294510] Hardware name: linux,dummy-virt (DT) [ 26.295112] Call trace: [ 26.295463] show_stack+0x20/0x38 (C) [ 26.296193] dump_stack_lvl+0x8c/0xd0 [ 26.296762] print_report+0x118/0x5e0 [ 26.297411] kasan_report+0xc8/0x118 [ 26.298078] __asan_report_load1_noabort+0x20/0x30 [ 26.298722] mempool_oob_right_helper+0x2ac/0x2f0 [ 26.299341] mempool_slab_oob_right+0xb8/0x110 [ 26.299981] kunit_try_run_case+0x14c/0x3d0 [ 26.300571] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.301348] kthread+0x24c/0x2d0 [ 26.301884] ret_from_fork+0x10/0x20 [ 26.302409] [ 26.302743] Allocated by task 213: [ 26.303190] kasan_save_stack+0x3c/0x68 [ 26.303856] kasan_save_track+0x20/0x40 [ 26.304393] kasan_save_alloc_info+0x40/0x58 [ 26.305046] __kasan_mempool_unpoison_object+0xbc/0x180 [ 26.305648] remove_element+0x16c/0x1f8 [ 26.306281] mempool_alloc_preallocated+0x58/0xc0 [ 26.306901] mempool_oob_right_helper+0x98/0x2f0 [ 26.307486] mempool_slab_oob_right+0xb8/0x110 [ 26.308052] kunit_try_run_case+0x14c/0x3d0 [ 26.308630] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.309306] kthread+0x24c/0x2d0 [ 26.309790] ret_from_fork+0x10/0x20 [ 26.310342] [ 26.310625] The buggy address belongs to the object at fff00000c1204240 [ 26.310625] which belongs to the cache test_cache of size 123 [ 26.311793] The buggy address is located 0 bytes to the right of [ 26.311793] allocated 123-byte region [fff00000c1204240, fff00000c12042bb) [ 26.313077] [ 26.313422] The buggy address belongs to the physical page: [ 26.314050] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101204 [ 26.314979] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.315732] page_type: f5(slab) [ 26.316191] raw: 0bfffe0000000000 fff00000c5798640 dead000000000122 0000000000000000 [ 26.316995] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 26.317874] page dumped because: kasan: bad access detected [ 26.318527] [ 26.318885] Memory state around the buggy address: [ 26.319436] fff00000c1204180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.320210] fff00000c1204200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 26.321004] >fff00000c1204280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 26.321773] ^ [ 26.322357] fff00000c1204300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.323184] fff00000c1204380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.323959] ==================================================================
[ 26.446628] ================================================================== [ 26.447970] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x31a/0x380 [ 26.449820] Read of size 1 at addr ffff8881029672bb by task kunit_try_catch/232 [ 26.450860] [ 26.451426] CPU: 0 UID: 0 PID: 232 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.452497] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.452876] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.453632] Call Trace: [ 26.453932] <TASK> [ 26.454197] dump_stack_lvl+0x73/0xb0 [ 26.455504] print_report+0xd1/0x640 [ 26.455923] ? __virt_addr_valid+0x1db/0x2d0 [ 26.456357] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.456929] kasan_report+0x102/0x140 [ 26.457480] ? mempool_oob_right_helper+0x31a/0x380 [ 26.457990] ? mempool_oob_right_helper+0x31a/0x380 [ 26.458610] __asan_report_load1_noabort+0x18/0x20 [ 26.459382] mempool_oob_right_helper+0x31a/0x380 [ 26.460333] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 26.461286] ? finish_task_switch.isra.0+0x153/0x700 [ 26.462585] mempool_slab_oob_right+0xb1/0x100 [ 26.463482] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 26.464332] ? __switch_to+0x5d9/0xf60 [ 26.464733] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 26.465207] ? __pfx_mempool_free_slab+0x10/0x10 [ 26.465677] ? __pfx_read_tsc+0x10/0x10 [ 26.466060] ? ktime_get_ts64+0x86/0x230 [ 26.466669] kunit_try_run_case+0x1b3/0x490 [ 26.467041] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.468261] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.469161] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.469824] ? __kthread_parkme+0x82/0x160 [ 26.470167] ? preempt_count_sub+0x50/0x80 [ 26.470885] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.471953] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.473183] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.474033] kthread+0x257/0x310 [ 26.474454] ? __pfx_kthread+0x10/0x10 [ 26.475334] ret_from_fork+0x41/0x80 [ 26.476561] ? __pfx_kthread+0x10/0x10 [ 26.477112] ret_from_fork_asm+0x1a/0x30 [ 26.478181] </TASK> [ 26.478677] [ 26.479651] Allocated by task 232: [ 26.480837] kasan_save_stack+0x3d/0x60 [ 26.481402] kasan_save_track+0x18/0x40 [ 26.481988] kasan_save_alloc_info+0x3b/0x50 [ 26.482773] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 26.484108] remove_element+0x11e/0x190 [ 26.485375] mempool_alloc_preallocated+0x4d/0x90 [ 26.485852] mempool_oob_right_helper+0x8b/0x380 [ 26.486728] mempool_slab_oob_right+0xb1/0x100 [ 26.487354] kunit_try_run_case+0x1b3/0x490 [ 26.487956] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.488442] kthread+0x257/0x310 [ 26.488906] ret_from_fork+0x41/0x80 [ 26.489976] ret_from_fork_asm+0x1a/0x30 [ 26.490414] [ 26.490586] The buggy address belongs to the object at ffff888102967240 [ 26.490586] which belongs to the cache test_cache of size 123 [ 26.491839] The buggy address is located 0 bytes to the right of [ 26.491839] allocated 123-byte region [ffff888102967240, ffff8881029672bb) [ 26.493524] [ 26.493870] The buggy address belongs to the physical page: [ 26.494514] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102967 [ 26.495342] flags: 0x200000000000000(node=0|zone=2) [ 26.496380] page_type: f5(slab) [ 26.496761] raw: 0200000000000000 ffff888101a8e8c0 dead000000000122 0000000000000000 [ 26.497750] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 26.498791] page dumped because: kasan: bad access detected [ 26.499158] [ 26.499518] Memory state around the buggy address: [ 26.500873] ffff888102967180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.501546] ffff888102967200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 26.502603] >ffff888102967280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 26.503505] ^ [ 26.504057] ffff888102967300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.505223] ffff888102967380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.505978] ================================================================== [ 26.317124] ================================================================== [ 26.318014] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x31a/0x380 [ 26.318662] Read of size 1 at addr ffff888102960373 by task kunit_try_catch/228 [ 26.320015] [ 26.320565] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.321593] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.322061] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.323117] Call Trace: [ 26.323831] <TASK> [ 26.324469] dump_stack_lvl+0x73/0xb0 [ 26.325239] print_report+0xd1/0x640 [ 26.326119] ? __virt_addr_valid+0x1db/0x2d0 [ 26.326786] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.327532] kasan_report+0x102/0x140 [ 26.327730] ? mempool_oob_right_helper+0x31a/0x380 [ 26.328593] ? mempool_oob_right_helper+0x31a/0x380 [ 26.329929] __asan_report_load1_noabort+0x18/0x20 [ 26.330851] mempool_oob_right_helper+0x31a/0x380 [ 26.331110] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 26.331505] ? finish_task_switch.isra.0+0x153/0x700 [ 26.331769] mempool_kmalloc_oob_right+0xb6/0x100 [ 26.332902] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 26.333962] ? __switch_to+0x5d9/0xf60 [ 26.334927] ? __pfx_mempool_kmalloc+0x10/0x10 [ 26.335744] ? __pfx_mempool_kfree+0x10/0x10 [ 26.336251] ? __pfx_read_tsc+0x10/0x10 [ 26.336661] ? ktime_get_ts64+0x86/0x230 [ 26.337068] kunit_try_run_case+0x1b3/0x490 [ 26.338044] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.338938] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.339847] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.340730] ? __kthread_parkme+0x82/0x160 [ 26.341620] ? preempt_count_sub+0x50/0x80 [ 26.342069] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.343131] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.343844] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.344786] kthread+0x257/0x310 [ 26.345703] ? __pfx_kthread+0x10/0x10 [ 26.346254] ret_from_fork+0x41/0x80 [ 26.347490] ? __pfx_kthread+0x10/0x10 [ 26.347861] ret_from_fork_asm+0x1a/0x30 [ 26.349036] </TASK> [ 26.349268] [ 26.349432] Allocated by task 228: [ 26.349851] kasan_save_stack+0x3d/0x60 [ 26.350824] kasan_save_track+0x18/0x40 [ 26.351472] kasan_save_alloc_info+0x3b/0x50 [ 26.352379] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 26.352809] remove_element+0x11e/0x190 [ 26.353385] mempool_alloc_preallocated+0x4d/0x90 [ 26.353798] mempool_oob_right_helper+0x8b/0x380 [ 26.354791] mempool_kmalloc_oob_right+0xb6/0x100 [ 26.355725] kunit_try_run_case+0x1b3/0x490 [ 26.356321] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.357232] kthread+0x257/0x310 [ 26.357740] ret_from_fork+0x41/0x80 [ 26.358411] ret_from_fork_asm+0x1a/0x30 [ 26.358795] [ 26.359040] The buggy address belongs to the object at ffff888102960300 [ 26.359040] which belongs to the cache kmalloc-128 of size 128 [ 26.360464] The buggy address is located 0 bytes to the right of [ 26.360464] allocated 115-byte region [ffff888102960300, ffff888102960373) [ 26.362491] [ 26.362679] The buggy address belongs to the physical page: [ 26.363516] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102960 [ 26.364502] flags: 0x200000000000000(node=0|zone=2) [ 26.365190] page_type: f5(slab) [ 26.365542] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 26.366964] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.367500] page dumped because: kasan: bad access detected [ 26.368600] [ 26.368790] Memory state around the buggy address: [ 26.369207] ffff888102960200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.370399] ffff888102960280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.371625] >ffff888102960300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 26.372612] ^ [ 26.373470] ffff888102960380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.374409] ffff888102960400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 26.374968] ================================================================== [ 26.381826] ================================================================== [ 26.383629] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x31a/0x380 [ 26.384631] Read of size 1 at addr ffff8881023ae001 by task kunit_try_catch/230 [ 26.385515] [ 26.385724] CPU: 1 UID: 0 PID: 230 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.386653] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.387064] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.389644] Call Trace: [ 26.390223] <TASK> [ 26.391085] dump_stack_lvl+0x73/0xb0 [ 26.392112] print_report+0xd1/0x640 [ 26.392818] ? __virt_addr_valid+0x1db/0x2d0 [ 26.393749] ? kasan_addr_to_slab+0x11/0xa0 [ 26.394189] kasan_report+0x102/0x140 [ 26.395155] ? mempool_oob_right_helper+0x31a/0x380 [ 26.396150] ? mempool_oob_right_helper+0x31a/0x380 [ 26.397159] __asan_report_load1_noabort+0x18/0x20 [ 26.398055] mempool_oob_right_helper+0x31a/0x380 [ 26.398434] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 26.398705] ? finish_task_switch.isra.0+0x153/0x700 [ 26.399867] mempool_kmalloc_large_oob_right+0xb6/0x100 [ 26.401178] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 26.401736] ? __switch_to+0x5d9/0xf60 [ 26.403233] ? __pfx_mempool_kmalloc+0x10/0x10 [ 26.404024] ? __pfx_mempool_kfree+0x10/0x10 [ 26.404714] ? __pfx_read_tsc+0x10/0x10 [ 26.405648] ? ktime_get_ts64+0x86/0x230 [ 26.406705] kunit_try_run_case+0x1b3/0x490 [ 26.407172] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.408244] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.409030] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.409476] ? __kthread_parkme+0x82/0x160 [ 26.410524] ? preempt_count_sub+0x50/0x80 [ 26.411629] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.412447] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.413641] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.414163] kthread+0x257/0x310 [ 26.414715] ? __pfx_kthread+0x10/0x10 [ 26.415601] ret_from_fork+0x41/0x80 [ 26.415961] ? __pfx_kthread+0x10/0x10 [ 26.416784] ret_from_fork_asm+0x1a/0x30 [ 26.418224] </TASK> [ 26.418598] [ 26.418836] The buggy address belongs to the physical page: [ 26.420366] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1023ac [ 26.421750] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 26.422848] flags: 0x200000000000040(head|node=0|zone=2) [ 26.424379] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 26.425991] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 26.426770] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 26.428005] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 26.430260] head: 0200000000000002 ffffea000408eb01 ffffffffffffffff 0000000000000000 [ 26.430690] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 26.431999] page dumped because: kasan: bad access detected [ 26.432834] [ 26.433036] Memory state around the buggy address: [ 26.434054] ffff8881023adf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.435152] ffff8881023adf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.435763] >ffff8881023ae000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.436518] ^ [ 26.436877] ffff8881023ae080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.437918] ffff8881023ae100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.438614] ==================================================================