Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.977257] ================================================================== [ 18.977796] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x528/0x5f0 [ 18.978361] Write of size 1 at addr fff00000c64acc78 by task kunit_try_catch/125 [ 18.978608] [ 18.978732] CPU: 1 UID: 0 PID: 125 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 18.978842] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.978874] Hardware name: linux,dummy-virt (DT) [ 18.978914] Call trace: [ 18.978942] dump_backtrace+0x9c/0x128 [ 18.978996] show_stack+0x20/0x38 [ 18.979036] dump_stack_lvl+0x8c/0xd0 [ 18.979118] print_report+0x118/0x5f0 [ 18.979200] kasan_report+0xdc/0x128 [ 18.979298] __asan_report_store1_noabort+0x20/0x30 [ 18.979390] kmalloc_oob_right+0x528/0x5f0 [ 18.979484] kunit_try_run_case+0x170/0x3f0 [ 18.979589] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.979696] kthread+0x24c/0x2d0 [ 18.979786] ret_from_fork+0x10/0x20 [ 18.979892] [ 18.985506] Allocated by task 125: [ 18.985973] kasan_save_stack+0x3c/0x68 [ 18.986386] kasan_save_track+0x20/0x40 [ 18.986872] kasan_save_alloc_info+0x40/0x58 [ 18.987284] __kasan_kmalloc+0xd4/0xd8 [ 18.987744] __kmalloc_cache_noprof+0x154/0x320 [ 18.988281] kmalloc_oob_right+0xb8/0x5f0 [ 18.988698] kunit_try_run_case+0x170/0x3f0 [ 18.989115] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.989625] kthread+0x24c/0x2d0 [ 18.990069] ret_from_fork+0x10/0x20 [ 18.990525] [ 18.990802] The buggy address belongs to the object at fff00000c64acc00 [ 18.990802] which belongs to the cache kmalloc-128 of size 128 [ 18.991662] The buggy address is located 5 bytes to the right of [ 18.991662] allocated 115-byte region [fff00000c64acc00, fff00000c64acc73) [ 18.992630] [ 18.992933] The buggy address belongs to the physical page: [ 18.993411] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064ac [ 18.994153] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.994771] page_type: f5(slab) [ 18.995168] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.995868] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 18.996464] page dumped because: kasan: bad access detected [ 18.996905] [ 18.997167] Memory state around the buggy address: [ 18.997555] fff00000c64acb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.998255] fff00000c64acb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.998750] >fff00000c64acc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 18.999362] ^ [ 18.999963] fff00000c64acc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.000616] fff00000c64acd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.001265] ================================================================== [ 19.003418] ================================================================== [ 19.004069] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x588/0x5f0 [ 19.004788] Read of size 1 at addr fff00000c64acc80 by task kunit_try_catch/125 [ 19.005427] [ 19.005712] CPU: 1 UID: 0 PID: 125 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 19.005932] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.005999] Hardware name: linux,dummy-virt (DT) [ 19.006087] Call trace: [ 19.006149] dump_backtrace+0x9c/0x128 [ 19.006274] show_stack+0x20/0x38 [ 19.006364] dump_stack_lvl+0x8c/0xd0 [ 19.006467] print_report+0x118/0x5f0 [ 19.006569] kasan_report+0xdc/0x128 [ 19.006652] __asan_report_load1_noabort+0x20/0x30 [ 19.006711] kmalloc_oob_right+0x588/0x5f0 [ 19.006756] kunit_try_run_case+0x170/0x3f0 [ 19.006803] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.006851] kthread+0x24c/0x2d0 [ 19.006892] ret_from_fork+0x10/0x20 [ 19.006939] [ 19.012068] Allocated by task 125: [ 19.012440] kasan_save_stack+0x3c/0x68 [ 19.012814] kasan_save_track+0x20/0x40 [ 19.013260] kasan_save_alloc_info+0x40/0x58 [ 19.013792] __kasan_kmalloc+0xd4/0xd8 [ 19.014210] __kmalloc_cache_noprof+0x154/0x320 [ 19.014704] kmalloc_oob_right+0xb8/0x5f0 [ 19.015151] kunit_try_run_case+0x170/0x3f0 [ 19.015649] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.016179] kthread+0x24c/0x2d0 [ 19.016510] ret_from_fork+0x10/0x20 [ 19.016945] [ 19.017226] The buggy address belongs to the object at fff00000c64acc00 [ 19.017226] which belongs to the cache kmalloc-128 of size 128 [ 19.017996] The buggy address is located 13 bytes to the right of [ 19.017996] allocated 115-byte region [fff00000c64acc00, fff00000c64acc73) [ 19.019020] [ 19.019331] The buggy address belongs to the physical page: [ 19.019725] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064ac [ 19.020447] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.020915] page_type: f5(slab) [ 19.021377] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.022048] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 19.022693] page dumped because: kasan: bad access detected [ 19.023166] [ 19.023448] Memory state around the buggy address: [ 19.023862] fff00000c64acb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.024488] fff00000c64acc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 19.025185] >fff00000c64acc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.025616] ^ [ 19.026025] fff00000c64acd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.026665] fff00000c64acd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.027299] ================================================================== [ 18.940440] ================================================================== [ 18.941601] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x56c/0x5f0 [ 18.943446] Write of size 1 at addr fff00000c64acc73 by task kunit_try_catch/125 [ 18.945118] [ 18.946671] CPU: 1 UID: 0 PID: 125 Comm: kunit_try_catch Tainted: G N 6.12.32-rc1 #1 [ 18.947410] Tainted: [N]=TEST [ 18.947497] Hardware name: linux,dummy-virt (DT) [ 18.947953] Call trace: [ 18.948007] dump_backtrace+0x9c/0x128 [ 18.948113] show_stack+0x20/0x38 [ 18.948157] dump_stack_lvl+0x8c/0xd0 [ 18.948208] print_report+0x118/0x5f0 [ 18.948294] kasan_report+0xdc/0x128 [ 18.948346] __asan_report_store1_noabort+0x20/0x30 [ 18.948393] kmalloc_oob_right+0x56c/0x5f0 [ 18.948438] kunit_try_run_case+0x170/0x3f0 [ 18.948485] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.948533] kthread+0x24c/0x2d0 [ 18.948576] ret_from_fork+0x10/0x20 [ 18.948718] [ 18.954068] Allocated by task 125: [ 18.954690] kasan_save_stack+0x3c/0x68 [ 18.955212] kasan_save_track+0x20/0x40 [ 18.955648] kasan_save_alloc_info+0x40/0x58 [ 18.956057] __kasan_kmalloc+0xd4/0xd8 [ 18.956542] __kmalloc_cache_noprof+0x154/0x320 [ 18.957087] kmalloc_oob_right+0xb8/0x5f0 [ 18.957456] kunit_try_run_case+0x170/0x3f0 [ 18.957956] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.958526] kthread+0x24c/0x2d0 [ 18.958961] ret_from_fork+0x10/0x20 [ 18.959430] [ 18.959800] The buggy address belongs to the object at fff00000c64acc00 [ 18.959800] which belongs to the cache kmalloc-128 of size 128 [ 18.960768] The buggy address is located 0 bytes to the right of [ 18.960768] allocated 115-byte region [fff00000c64acc00, fff00000c64acc73) [ 18.961772] [ 18.962286] The buggy address belongs to the physical page: [ 18.963172] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064ac [ 18.964082] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.965088] page_type: f5(slab) [ 18.966051] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.966624] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 18.967412] page dumped because: kasan: bad access detected [ 18.967902] [ 18.968196] Memory state around the buggy address: [ 18.969060] fff00000c64acb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.969671] fff00000c64acb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.970330] >fff00000c64acc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 18.970905] ^ [ 18.971576] fff00000c64acc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.972181] fff00000c64acd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.972859] ==================================================================
[ 11.292542] ================================================================== [ 11.293368] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x6f2/0x7f0 [ 11.294413] Write of size 1 at addr ffff888102975073 by task kunit_try_catch/143 [ 11.294866] [ 11.296357] CPU: 1 UID: 0 PID: 143 Comm: kunit_try_catch Tainted: G N 6.12.32-rc1 #1 [ 11.296867] Tainted: [N]=TEST [ 11.296904] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.297174] Call Trace: [ 11.297252] <TASK> [ 11.297414] dump_stack_lvl+0x73/0xb0 [ 11.297513] print_report+0xd1/0x640 [ 11.297546] ? __virt_addr_valid+0x1db/0x2d0 [ 11.297571] ? kmalloc_oob_right+0x6f2/0x7f0 [ 11.297591] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.297613] ? kmalloc_oob_right+0x6f2/0x7f0 [ 11.297633] kasan_report+0x140/0x180 [ 11.297670] ? kmalloc_oob_right+0x6f2/0x7f0 [ 11.297700] __asan_report_store1_noabort+0x1b/0x30 [ 11.297720] kmalloc_oob_right+0x6f2/0x7f0 [ 11.297740] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 11.297762] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 11.297786] kunit_try_run_case+0x1a6/0x480 [ 11.297809] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.297827] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 11.297848] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.297870] ? __kthread_parkme+0x82/0x160 [ 11.297899] ? preempt_count_sub+0x50/0x80 [ 11.297928] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.297948] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.297974] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.298000] kthread+0x257/0x310 [ 11.298019] ? __pfx_kthread+0x10/0x10 [ 11.298039] ret_from_fork+0x41/0x80 [ 11.298085] ? __pfx_kthread+0x10/0x10 [ 11.298106] ret_from_fork_asm+0x1a/0x30 [ 11.298171] </TASK> [ 11.298259] [ 11.305715] Allocated by task 143: [ 11.306200] kasan_save_stack+0x45/0x70 [ 11.306895] kasan_save_track+0x18/0x40 [ 11.307083] kasan_save_alloc_info+0x3b/0x50 [ 11.307369] __kasan_kmalloc+0xb7/0xc0 [ 11.307630] __kmalloc_cache_noprof+0x168/0x350 [ 11.307944] kmalloc_oob_right+0xaa/0x7f0 [ 11.308255] kunit_try_run_case+0x1a6/0x480 [ 11.308728] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.308946] kthread+0x257/0x310 [ 11.309122] ret_from_fork+0x41/0x80 [ 11.309462] ret_from_fork_asm+0x1a/0x30 [ 11.309876] [ 11.310200] The buggy address belongs to the object at ffff888102975000 [ 11.310200] which belongs to the cache kmalloc-128 of size 128 [ 11.310981] The buggy address is located 0 bytes to the right of [ 11.310981] allocated 115-byte region [ffff888102975000, ffff888102975073) [ 11.311807] [ 11.312083] The buggy address belongs to the physical page: [ 11.312651] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102975 [ 11.313634] flags: 0x200000000000000(node=0|zone=2) [ 11.314453] page_type: f5(slab) [ 11.315284] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.315652] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 11.316275] page dumped because: kasan: bad access detected [ 11.316488] [ 11.316650] Memory state around the buggy address: [ 11.317578] ffff888102974f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.318048] ffff888102974f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.318686] >ffff888102975000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.319048] ^ [ 11.319507] ffff888102975080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.320127] ffff888102975100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.320567] ================================================================== [ 11.342521] ================================================================== [ 11.343088] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x68c/0x7f0 [ 11.343573] Read of size 1 at addr ffff888102975080 by task kunit_try_catch/143 [ 11.344040] [ 11.344347] CPU: 1 UID: 0 PID: 143 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 11.344432] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.344456] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.344494] Call Trace: [ 11.344521] <TASK> [ 11.344550] dump_stack_lvl+0x73/0xb0 [ 11.344605] print_report+0xd1/0x640 [ 11.344649] ? __virt_addr_valid+0x1db/0x2d0 [ 11.344704] ? kmalloc_oob_right+0x68c/0x7f0 [ 11.344741] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.344776] ? kmalloc_oob_right+0x68c/0x7f0 [ 11.344811] kasan_report+0x140/0x180 [ 11.344850] ? kmalloc_oob_right+0x68c/0x7f0 [ 11.344917] __asan_report_load1_noabort+0x18/0x20 [ 11.344958] kmalloc_oob_right+0x68c/0x7f0 [ 11.345012] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 11.345097] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 11.345149] kunit_try_run_case+0x1a6/0x480 [ 11.345189] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.345223] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 11.345262] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.345306] ? __kthread_parkme+0x82/0x160 [ 11.345345] ? preempt_count_sub+0x50/0x80 [ 11.345385] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.345422] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.345468] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.345516] kthread+0x257/0x310 [ 11.345553] ? __pfx_kthread+0x10/0x10 [ 11.345592] ret_from_fork+0x41/0x80 [ 11.345631] ? __pfx_kthread+0x10/0x10 [ 11.345674] ret_from_fork_asm+0x1a/0x30 [ 11.345747] </TASK> [ 11.345768] [ 11.353126] Allocated by task 143: [ 11.353388] kasan_save_stack+0x45/0x70 [ 11.353663] kasan_save_track+0x18/0x40 [ 11.353967] kasan_save_alloc_info+0x3b/0x50 [ 11.354212] __kasan_kmalloc+0xb7/0xc0 [ 11.354526] __kmalloc_cache_noprof+0x168/0x350 [ 11.354768] kmalloc_oob_right+0xaa/0x7f0 [ 11.354976] kunit_try_run_case+0x1a6/0x480 [ 11.355215] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.355454] kthread+0x257/0x310 [ 11.355627] ret_from_fork+0x41/0x80 [ 11.355908] ret_from_fork_asm+0x1a/0x30 [ 11.356237] [ 11.356394] The buggy address belongs to the object at ffff888102975000 [ 11.356394] which belongs to the cache kmalloc-128 of size 128 [ 11.357167] The buggy address is located 13 bytes to the right of [ 11.357167] allocated 115-byte region [ffff888102975000, ffff888102975073) [ 11.357977] [ 11.358139] The buggy address belongs to the physical page: [ 11.358541] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102975 [ 11.358834] flags: 0x200000000000000(node=0|zone=2) [ 11.359219] page_type: f5(slab) [ 11.359467] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.359870] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 11.360277] page dumped because: kasan: bad access detected [ 11.360544] [ 11.360663] Memory state around the buggy address: [ 11.360991] ffff888102974f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.361304] ffff888102975000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.361786] >ffff888102975080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.362166] ^ [ 11.362414] ffff888102975100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.362861] ffff888102975180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.363229] ================================================================== [ 11.323358] ================================================================== [ 11.323675] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x6bf/0x7f0 [ 11.324033] Write of size 1 at addr ffff888102975078 by task kunit_try_catch/143 [ 11.324551] [ 11.324724] CPU: 1 UID: 0 PID: 143 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 11.324800] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.324821] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.324857] Call Trace: [ 11.324903] <TASK> [ 11.324935] dump_stack_lvl+0x73/0xb0 [ 11.324998] print_report+0xd1/0x640 [ 11.325038] ? __virt_addr_valid+0x1db/0x2d0 [ 11.325109] ? kmalloc_oob_right+0x6bf/0x7f0 [ 11.325149] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.325190] ? kmalloc_oob_right+0x6bf/0x7f0 [ 11.325233] kasan_report+0x140/0x180 [ 11.325273] ? kmalloc_oob_right+0x6bf/0x7f0 [ 11.325317] __asan_report_store1_noabort+0x1b/0x30 [ 11.325355] kmalloc_oob_right+0x6bf/0x7f0 [ 11.325417] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 11.325462] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 11.325508] kunit_try_run_case+0x1a6/0x480 [ 11.325546] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.325577] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 11.325616] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.325671] ? __kthread_parkme+0x82/0x160 [ 11.325704] ? preempt_count_sub+0x50/0x80 [ 11.325727] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.325746] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.325769] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.325792] kthread+0x257/0x310 [ 11.325809] ? __pfx_kthread+0x10/0x10 [ 11.325826] ret_from_fork+0x41/0x80 [ 11.325845] ? __pfx_kthread+0x10/0x10 [ 11.325863] ret_from_fork_asm+0x1a/0x30 [ 11.325905] </TASK> [ 11.325922] [ 11.332503] Allocated by task 143: [ 11.332712] kasan_save_stack+0x45/0x70 [ 11.332993] kasan_save_track+0x18/0x40 [ 11.333310] kasan_save_alloc_info+0x3b/0x50 [ 11.333564] __kasan_kmalloc+0xb7/0xc0 [ 11.333861] __kmalloc_cache_noprof+0x168/0x350 [ 11.334179] kmalloc_oob_right+0xaa/0x7f0 [ 11.334398] kunit_try_run_case+0x1a6/0x480 [ 11.334712] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.334944] kthread+0x257/0x310 [ 11.335230] ret_from_fork+0x41/0x80 [ 11.335462] ret_from_fork_asm+0x1a/0x30 [ 11.335628] [ 11.335782] The buggy address belongs to the object at ffff888102975000 [ 11.335782] which belongs to the cache kmalloc-128 of size 128 [ 11.336431] The buggy address is located 5 bytes to the right of [ 11.336431] allocated 115-byte region [ffff888102975000, ffff888102975073) [ 11.336941] [ 11.337078] The buggy address belongs to the physical page: [ 11.337273] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102975 [ 11.337740] flags: 0x200000000000000(node=0|zone=2) [ 11.338129] page_type: f5(slab) [ 11.338400] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.338890] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 11.339362] page dumped because: kasan: bad access detected [ 11.339575] [ 11.339724] Memory state around the buggy address: [ 11.339972] ffff888102974f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.340297] ffff888102974f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.340532] >ffff888102975000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.340760] ^ [ 11.340988] ffff888102975080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.341241] ffff888102975100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.341585] ==================================================================