Date
July 6, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 | |
| x86 |
[ 16.669330] ================================================================== [ 16.669394] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0 [ 16.669445] Write of size 1 at addr fff00000c6595f00 by task kunit_try_catch/145 [ 16.669493] [ 16.669524] CPU: 0 UID: 0 PID: 145 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.669603] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.669634] Hardware name: linux,dummy-virt (DT) [ 16.669663] Call trace: [ 16.669684] show_stack+0x20/0x38 (C) [ 16.669728] dump_stack_lvl+0x8c/0xd0 [ 16.669772] print_report+0x118/0x608 [ 16.669814] kasan_report+0xdc/0x128 [ 16.669856] __asan_report_store1_noabort+0x20/0x30 [ 16.669904] kmalloc_big_oob_right+0x2a4/0x2f0 [ 16.669947] kunit_try_run_case+0x170/0x3f0 [ 16.670218] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.670285] kthread+0x328/0x630 [ 16.670328] ret_from_fork+0x10/0x20 [ 16.670372] [ 16.670390] Allocated by task 145: [ 16.670416] kasan_save_stack+0x3c/0x68 [ 16.670455] kasan_save_track+0x20/0x40 [ 16.670491] kasan_save_alloc_info+0x40/0x58 [ 16.670528] __kasan_kmalloc+0xd4/0xd8 [ 16.670563] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.670680] kmalloc_big_oob_right+0xb8/0x2f0 [ 16.672834] kunit_try_run_case+0x170/0x3f0 [ 16.673997] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.674054] kthread+0x328/0x630 [ 16.674099] ret_from_fork+0x10/0x20 [ 16.674136] [ 16.674157] The buggy address belongs to the object at fff00000c6594000 [ 16.674157] which belongs to the cache kmalloc-8k of size 8192 [ 16.674213] The buggy address is located 0 bytes to the right of [ 16.674213] allocated 7936-byte region [fff00000c6594000, fff00000c6595f00) [ 16.674274] [ 16.674292] The buggy address belongs to the physical page: [ 16.674332] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106590 [ 16.674394] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.674501] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.674556] page_type: f5(slab) [ 16.674593] raw: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 16.674640] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 16.674687] head: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 16.674733] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 16.674780] head: 0bfffe0000000003 ffffc1ffc3196401 00000000ffffffff 00000000ffffffff [ 16.676536] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 16.676658] page dumped because: kasan: bad access detected [ 16.676693] [ 16.676711] Memory state around the buggy address: [ 16.676743] fff00000c6595e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.676785] fff00000c6595e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.677683] >fff00000c6595f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.678081] ^ [ 16.678124] fff00000c6595f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.678595] fff00000c6596000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.679057] ==================================================================
[ 16.605401] ================================================================== [ 16.605821] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0 [ 16.605890] Write of size 1 at addr fff00000c64c5f00 by task kunit_try_catch/145 [ 16.605950] [ 16.605983] CPU: 1 UID: 0 PID: 145 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.606436] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.606462] Hardware name: linux,dummy-virt (DT) [ 16.606512] Call trace: [ 16.606535] show_stack+0x20/0x38 (C) [ 16.606585] dump_stack_lvl+0x8c/0xd0 [ 16.606745] print_report+0x118/0x608 [ 16.606791] kasan_report+0xdc/0x128 [ 16.606835] __asan_report_store1_noabort+0x20/0x30 [ 16.606883] kmalloc_big_oob_right+0x2a4/0x2f0 [ 16.606940] kunit_try_run_case+0x170/0x3f0 [ 16.607004] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.607220] kthread+0x328/0x630 [ 16.607284] ret_from_fork+0x10/0x20 [ 16.607331] [ 16.607396] Allocated by task 145: [ 16.607493] kasan_save_stack+0x3c/0x68 [ 16.607534] kasan_save_track+0x20/0x40 [ 16.607570] kasan_save_alloc_info+0x40/0x58 [ 16.607610] __kasan_kmalloc+0xd4/0xd8 [ 16.607645] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.607683] kmalloc_big_oob_right+0xb8/0x2f0 [ 16.607719] kunit_try_run_case+0x170/0x3f0 [ 16.607756] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.607798] kthread+0x328/0x630 [ 16.607829] ret_from_fork+0x10/0x20 [ 16.607923] [ 16.607965] The buggy address belongs to the object at fff00000c64c4000 [ 16.607965] which belongs to the cache kmalloc-8k of size 8192 [ 16.608020] The buggy address is located 0 bytes to the right of [ 16.608020] allocated 7936-byte region [fff00000c64c4000, fff00000c64c5f00) [ 16.608102] [ 16.608163] The buggy address belongs to the physical page: [ 16.608247] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064c0 [ 16.608348] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.608438] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.608558] page_type: f5(slab) [ 16.608702] raw: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 16.608750] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 16.608798] head: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 16.608844] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 16.608891] head: 0bfffe0000000003 ffffc1ffc3193001 00000000ffffffff 00000000ffffffff [ 16.609341] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 16.609779] page dumped because: kasan: bad access detected [ 16.609868] [ 16.609981] Memory state around the buggy address: [ 16.610140] fff00000c64c5e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.610273] fff00000c64c5e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.610353] >fff00000c64c5f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.610389] ^ [ 16.610415] fff00000c64c5f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.610478] fff00000c64c6000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.610514] ==================================================================
[ 12.660399] ================================================================== [ 12.660862] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x316/0x370 [ 12.661122] Write of size 1 at addr ffff888103999f00 by task kunit_try_catch/162 [ 12.662125] [ 12.662315] CPU: 1 UID: 0 PID: 162 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.662391] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.662412] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.662442] Call Trace: [ 12.662463] <TASK> [ 12.662489] dump_stack_lvl+0x73/0xb0 [ 12.662543] print_report+0xd1/0x650 [ 12.662580] ? __virt_addr_valid+0x1db/0x2d0 [ 12.662637] ? kmalloc_big_oob_right+0x316/0x370 [ 12.662678] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.662724] ? kmalloc_big_oob_right+0x316/0x370 [ 12.662764] kasan_report+0x141/0x180 [ 12.662807] ? kmalloc_big_oob_right+0x316/0x370 [ 12.662859] __asan_report_store1_noabort+0x1b/0x30 [ 12.662891] kmalloc_big_oob_right+0x316/0x370 [ 12.662912] ? __pfx_kmalloc_big_oob_right+0x10/0x10 [ 12.662933] ? __schedule+0x10cc/0x2b60 [ 12.662953] ? __pfx_read_tsc+0x10/0x10 [ 12.662971] ? ktime_get_ts64+0x86/0x230 [ 12.662994] kunit_try_run_case+0x1a5/0x480 [ 12.663015] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.663033] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.663054] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.663073] ? __kthread_parkme+0x82/0x180 [ 12.663091] ? preempt_count_sub+0x50/0x80 [ 12.663129] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.663149] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.663168] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.663188] kthread+0x337/0x6f0 [ 12.663205] ? trace_preempt_on+0x20/0xc0 [ 12.663227] ? __pfx_kthread+0x10/0x10 [ 12.663247] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.663276] ? calculate_sigpending+0x7b/0xa0 [ 12.663306] ? __pfx_kthread+0x10/0x10 [ 12.663334] ret_from_fork+0x116/0x1d0 [ 12.663359] ? __pfx_kthread+0x10/0x10 [ 12.663384] ret_from_fork_asm+0x1a/0x30 [ 12.663412] </TASK> [ 12.663424] [ 12.675945] Allocated by task 162: [ 12.676549] kasan_save_stack+0x45/0x70 [ 12.676738] kasan_save_track+0x18/0x40 [ 12.676875] kasan_save_alloc_info+0x3b/0x50 [ 12.677103] __kasan_kmalloc+0xb7/0xc0 [ 12.677462] __kmalloc_cache_noprof+0x189/0x420 [ 12.678220] kmalloc_big_oob_right+0xa9/0x370 [ 12.678837] kunit_try_run_case+0x1a5/0x480 [ 12.679099] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.679450] kthread+0x337/0x6f0 [ 12.679628] ret_from_fork+0x116/0x1d0 [ 12.679866] ret_from_fork_asm+0x1a/0x30 [ 12.680309] [ 12.680477] The buggy address belongs to the object at ffff888103998000 [ 12.680477] which belongs to the cache kmalloc-8k of size 8192 [ 12.681354] The buggy address is located 0 bytes to the right of [ 12.681354] allocated 7936-byte region [ffff888103998000, ffff888103999f00) [ 12.682116] [ 12.682217] The buggy address belongs to the physical page: [ 12.682352] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103998 [ 12.682492] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.682685] flags: 0x200000000000040(head|node=0|zone=2) [ 12.683852] page_type: f5(slab) [ 12.684215] raw: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 12.684781] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 12.685112] head: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 12.685416] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 12.686374] head: 0200000000000003 ffffea00040e6601 00000000ffffffff 00000000ffffffff [ 12.686877] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 12.687516] page dumped because: kasan: bad access detected [ 12.687721] [ 12.688149] Memory state around the buggy address: [ 12.688544] ffff888103999e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.688910] ffff888103999e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.689472] >ffff888103999f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.689901] ^ [ 12.690297] ffff888103999f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.690708] ffff88810399a000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.691156] ==================================================================
[ 12.922327] ================================================================== [ 12.922810] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x316/0x370 [ 12.923084] Write of size 1 at addr ffff8881027edf00 by task kunit_try_catch/161 [ 12.923652] [ 12.923881] CPU: 0 UID: 0 PID: 161 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.923930] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.923942] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.923992] Call Trace: [ 12.924006] <TASK> [ 12.924026] dump_stack_lvl+0x73/0xb0 [ 12.924072] print_report+0xd1/0x650 [ 12.924095] ? __virt_addr_valid+0x1db/0x2d0 [ 12.924119] ? kmalloc_big_oob_right+0x316/0x370 [ 12.924179] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.924206] ? kmalloc_big_oob_right+0x316/0x370 [ 12.924241] kasan_report+0x141/0x180 [ 12.924294] ? kmalloc_big_oob_right+0x316/0x370 [ 12.924345] __asan_report_store1_noabort+0x1b/0x30 [ 12.924369] kmalloc_big_oob_right+0x316/0x370 [ 12.924392] ? __pfx_kmalloc_big_oob_right+0x10/0x10 [ 12.924415] ? __schedule+0x10cc/0x2b60 [ 12.924438] ? __pfx_read_tsc+0x10/0x10 [ 12.924459] ? ktime_get_ts64+0x86/0x230 [ 12.924485] kunit_try_run_case+0x1a5/0x480 [ 12.924510] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.924532] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.924556] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.924578] ? __kthread_parkme+0x82/0x180 [ 12.924599] ? preempt_count_sub+0x50/0x80 [ 12.924623] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.924647] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.924669] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.924691] kthread+0x337/0x6f0 [ 12.924717] ? trace_preempt_on+0x20/0xc0 [ 12.924740] ? __pfx_kthread+0x10/0x10 [ 12.924761] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.924782] ? calculate_sigpending+0x7b/0xa0 [ 12.924806] ? __pfx_kthread+0x10/0x10 [ 12.924828] ret_from_fork+0x116/0x1d0 [ 12.924846] ? __pfx_kthread+0x10/0x10 [ 12.924867] ret_from_fork_asm+0x1a/0x30 [ 12.924899] </TASK> [ 12.924911] [ 12.937430] Allocated by task 161: [ 12.937636] kasan_save_stack+0x45/0x70 [ 12.937881] kasan_save_track+0x18/0x40 [ 12.938033] kasan_save_alloc_info+0x3b/0x50 [ 12.938203] __kasan_kmalloc+0xb7/0xc0 [ 12.938391] __kmalloc_cache_noprof+0x189/0x420 [ 12.938683] kmalloc_big_oob_right+0xa9/0x370 [ 12.939197] kunit_try_run_case+0x1a5/0x480 [ 12.939415] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.939666] kthread+0x337/0x6f0 [ 12.939819] ret_from_fork+0x116/0x1d0 [ 12.940104] ret_from_fork_asm+0x1a/0x30 [ 12.940377] [ 12.940550] The buggy address belongs to the object at ffff8881027ec000 [ 12.940550] which belongs to the cache kmalloc-8k of size 8192 [ 12.941141] The buggy address is located 0 bytes to the right of [ 12.941141] allocated 7936-byte region [ffff8881027ec000, ffff8881027edf00) [ 12.941610] [ 12.941689] The buggy address belongs to the physical page: [ 12.941993] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027e8 [ 12.942375] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.942740] flags: 0x200000000000040(head|node=0|zone=2) [ 12.943084] page_type: f5(slab) [ 12.943213] raw: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 12.943733] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 12.944317] head: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 12.944621] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 12.945116] head: 0200000000000003 ffffea000409fa01 00000000ffffffff 00000000ffffffff [ 12.945544] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 12.945985] page dumped because: kasan: bad access detected [ 12.946181] [ 12.946255] Memory state around the buggy address: [ 12.946576] ffff8881027ede00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.947129] ffff8881027ede80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.947386] >ffff8881027edf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.947684] ^ [ 12.947834] ffff8881027edf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.948402] ffff8881027ee000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.948755] ==================================================================
[ 15.986019] ================================================================== [ 15.998477] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x316/0x370 [ 16.005790] Write of size 1 at addr ffff888106f25f00 by task kunit_try_catch/185 [ 16.013192] [ 16.014693] CPU: 3 UID: 0 PID: 185 Comm: kunit_try_catch Tainted: G S B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 16.014702] Tainted: [S]=CPU_OUT_OF_SPEC, [B]=BAD_PAGE, [N]=TEST [ 16.014705] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021 [ 16.014708] Call Trace: [ 16.014710] <TASK> [ 16.014712] dump_stack_lvl+0x73/0xb0 [ 16.014717] print_report+0xd1/0x650 [ 16.014721] ? __virt_addr_valid+0x1db/0x2d0 [ 16.014725] ? kmalloc_big_oob_right+0x316/0x370 [ 16.014729] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.014734] ? kmalloc_big_oob_right+0x316/0x370 [ 16.014738] kasan_report+0x141/0x180 [ 16.014742] ? kmalloc_big_oob_right+0x316/0x370 [ 16.014747] __asan_report_store1_noabort+0x1b/0x30 [ 16.014751] kmalloc_big_oob_right+0x316/0x370 [ 16.014755] ? __pfx_kmalloc_big_oob_right+0x10/0x10 [ 16.014760] ? __schedule+0x10cc/0x2b60 [ 16.014764] ? ktime_get_ts64+0x83/0x230 [ 16.014768] kunit_try_run_case+0x1a2/0x480 [ 16.014772] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.014776] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.014781] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.014785] ? __kthread_parkme+0x82/0x180 [ 16.014788] ? preempt_count_sub+0x50/0x80 [ 16.014792] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.014797] kunit_generic_run_threadfn_adapter+0x82/0xf0 [ 16.014801] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.014805] kthread+0x334/0x6f0 [ 16.014808] ? trace_preempt_on+0x20/0xc0 [ 16.014812] ? __pfx_kthread+0x10/0x10 [ 16.014816] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.014820] ? calculate_sigpending+0x7b/0xa0 [ 16.014824] ? __pfx_kthread+0x10/0x10 [ 16.014828] ret_from_fork+0x113/0x1d0 [ 16.014831] ? __pfx_kthread+0x10/0x10 [ 16.014835] ret_from_fork_asm+0x1a/0x30 [ 16.014841] </TASK> [ 16.014842] [ 16.181487] Allocated by task 185: [ 16.184894] kasan_save_stack+0x45/0x70 [ 16.188735] kasan_save_track+0x18/0x40 [ 16.192573] kasan_save_alloc_info+0x3b/0x50 [ 16.196846] __kasan_kmalloc+0xb7/0xc0 [ 16.200597] __kmalloc_cache_noprof+0x189/0x420 [ 16.205132] kmalloc_big_oob_right+0xa9/0x370 [ 16.209490] kunit_try_run_case+0x1a2/0x480 [ 16.213677] kunit_generic_run_threadfn_adapter+0x82/0xf0 [ 16.219083] kthread+0x334/0x6f0 [ 16.222318] ret_from_fork+0x113/0x1d0 [ 16.226104] ret_from_fork_asm+0x1a/0x30 [ 16.230032] [ 16.231531] The buggy address belongs to the object at ffff888106f24000 [ 16.231531] which belongs to the cache kmalloc-8k of size 8192 [ 16.244045] The buggy address is located 0 bytes to the right of [ 16.244045] allocated 7936-byte region [ffff888106f24000, ffff888106f25f00) [ 16.257087] [ 16.258588] The buggy address belongs to the physical page: [ 16.264158] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106f20 [ 16.272159] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.279819] flags: 0x200000000000040(head|node=0|zone=2) [ 16.285132] page_type: f5(slab) [ 16.288280] raw: 0200000000000040 ffff888100043180 dead000000000122 0000000000000000 [ 16.296029] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 16.303775] head: 0200000000000040 ffff888100043180 dead000000000122 0000000000000000 [ 16.311602] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 16.319427] head: 0200000000000003 ffffea00041bc801 00000000ffffffff 00000000ffffffff [ 16.327253] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 16.335080] page dumped because: kasan: bad access detected [ 16.340651] [ 16.342151] Memory state around the buggy address: [ 16.346944] ffff888106f25e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.354163] ffff888106f25e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.361391] >ffff888106f25f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.368609] ^ [ 16.371843] ffff888106f25f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.379061] ffff888106f26000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.386282] ==================================================================