Date
July 16, 2025, 3:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.570297] ================================================================== [ 19.570364] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 19.570580] Write of size 121 at addr fff00000c7939000 by task kunit_try_catch/285 [ 19.570854] [ 19.570904] CPU: 1 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 19.571314] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.571429] Hardware name: linux,dummy-virt (DT) [ 19.571487] Call trace: [ 19.571511] show_stack+0x20/0x38 (C) [ 19.571583] dump_stack_lvl+0x8c/0xd0 [ 19.571635] print_report+0x118/0x5d0 [ 19.571695] kasan_report+0xdc/0x128 [ 19.571754] kasan_check_range+0x100/0x1a8 [ 19.571805] __kasan_check_write+0x20/0x30 [ 19.571852] strncpy_from_user+0x3c/0x2a0 [ 19.571903] copy_user_test_oob+0x5c0/0xec8 [ 19.571974] kunit_try_run_case+0x170/0x3f0 [ 19.572177] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.572903] kthread+0x328/0x630 [ 19.573322] ret_from_fork+0x10/0x20 [ 19.573557] [ 19.574075] Allocated by task 285: [ 19.574386] kasan_save_stack+0x3c/0x68 [ 19.574437] kasan_save_track+0x20/0x40 [ 19.575108] kasan_save_alloc_info+0x40/0x58 [ 19.575165] __kasan_kmalloc+0xd4/0xd8 [ 19.575205] __kmalloc_noprof+0x198/0x4c8 [ 19.576140] kunit_kmalloc_array+0x34/0x88 [ 19.576865] copy_user_test_oob+0xac/0xec8 [ 19.577325] kunit_try_run_case+0x170/0x3f0 [ 19.577432] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.578000] kthread+0x328/0x630 [ 19.578208] ret_from_fork+0x10/0x20 [ 19.578538] [ 19.578570] The buggy address belongs to the object at fff00000c7939000 [ 19.578570] which belongs to the cache kmalloc-128 of size 128 [ 19.578638] The buggy address is located 0 bytes inside of [ 19.578638] allocated 120-byte region [fff00000c7939000, fff00000c7939078) [ 19.579770] [ 19.579799] The buggy address belongs to the physical page: [ 19.579833] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107939 [ 19.580022] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.580880] page_type: f5(slab) [ 19.581356] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.581869] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.582492] page dumped because: kasan: bad access detected [ 19.582756] [ 19.582780] Memory state around the buggy address: [ 19.583288] fff00000c7938f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.583345] fff00000c7938f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.583392] >fff00000c7939000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.583854] ^ [ 19.584196] fff00000c7939080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.584286] fff00000c7939100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.585215] ================================================================== [ 19.588944] ================================================================== [ 19.589003] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 19.589059] Write of size 1 at addr fff00000c7939078 by task kunit_try_catch/285 [ 19.589113] [ 19.589146] CPU: 1 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 19.592115] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.592482] Hardware name: linux,dummy-virt (DT) [ 19.593211] Call trace: [ 19.593293] show_stack+0x20/0x38 (C) [ 19.594391] dump_stack_lvl+0x8c/0xd0 [ 19.594795] print_report+0x118/0x5d0 [ 19.594889] kasan_report+0xdc/0x128 [ 19.595814] __asan_report_store1_noabort+0x20/0x30 [ 19.596564] strncpy_from_user+0x270/0x2a0 [ 19.597118] copy_user_test_oob+0x5c0/0xec8 [ 19.597755] kunit_try_run_case+0x170/0x3f0 [ 19.597909] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.597965] kthread+0x328/0x630 [ 19.598010] ret_from_fork+0x10/0x20 [ 19.598060] [ 19.598083] Allocated by task 285: [ 19.598942] kasan_save_stack+0x3c/0x68 [ 19.599003] kasan_save_track+0x20/0x40 [ 19.599414] kasan_save_alloc_info+0x40/0x58 [ 19.600195] __kasan_kmalloc+0xd4/0xd8 [ 19.601125] __kmalloc_noprof+0x198/0x4c8 [ 19.601325] kunit_kmalloc_array+0x34/0x88 [ 19.601368] copy_user_test_oob+0xac/0xec8 [ 19.601411] kunit_try_run_case+0x170/0x3f0 [ 19.601452] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.601499] kthread+0x328/0x630 [ 19.602381] ret_from_fork+0x10/0x20 [ 19.602623] [ 19.602648] The buggy address belongs to the object at fff00000c7939000 [ 19.602648] which belongs to the cache kmalloc-128 of size 128 [ 19.602728] The buggy address is located 0 bytes to the right of [ 19.602728] allocated 120-byte region [fff00000c7939000, fff00000c7939078) [ 19.603615] [ 19.603991] The buggy address belongs to the physical page: [ 19.604028] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107939 [ 19.604645] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.604871] page_type: f5(slab) [ 19.605701] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.605916] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.606668] page dumped because: kasan: bad access detected [ 19.606836] [ 19.606858] Memory state around the buggy address: [ 19.607590] fff00000c7938f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.607831] fff00000c7938f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.608382] >fff00000c7939000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.608508] ^ [ 19.609175] fff00000c7939080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.609316] fff00000c7939100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.609652] ==================================================================
[ 16.828470] ================================================================== [ 16.828815] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 16.829130] Write of size 1 at addr ffff88810307db78 by task kunit_try_catch/302 [ 16.829358] [ 16.829441] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.829496] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.829509] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.829530] Call Trace: [ 16.829546] <TASK> [ 16.829561] dump_stack_lvl+0x73/0xb0 [ 16.829589] print_report+0xd1/0x610 [ 16.829615] ? __virt_addr_valid+0x1db/0x2d0 [ 16.829639] ? strncpy_from_user+0x1a5/0x1d0 [ 16.829663] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.829689] ? strncpy_from_user+0x1a5/0x1d0 [ 16.829715] kasan_report+0x141/0x180 [ 16.829738] ? strncpy_from_user+0x1a5/0x1d0 [ 16.829779] __asan_report_store1_noabort+0x1b/0x30 [ 16.829807] strncpy_from_user+0x1a5/0x1d0 [ 16.829835] copy_user_test_oob+0x760/0x10f0 [ 16.829863] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.829889] ? finish_task_switch.isra.0+0x153/0x700 [ 16.829913] ? __switch_to+0x47/0xf50 [ 16.829939] ? __schedule+0x10cc/0x2b60 [ 16.829963] ? __pfx_read_tsc+0x10/0x10 [ 16.829986] ? ktime_get_ts64+0x86/0x230 [ 16.830011] kunit_try_run_case+0x1a5/0x480 [ 16.830037] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.830062] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.830089] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.830114] ? __kthread_parkme+0x82/0x180 [ 16.830136] ? preempt_count_sub+0x50/0x80 [ 16.830161] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.830188] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.830214] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.830242] kthread+0x337/0x6f0 [ 16.830262] ? trace_preempt_on+0x20/0xc0 [ 16.830287] ? __pfx_kthread+0x10/0x10 [ 16.830309] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.830332] ? calculate_sigpending+0x7b/0xa0 [ 16.830357] ? __pfx_kthread+0x10/0x10 [ 16.830380] ret_from_fork+0x116/0x1d0 [ 16.830399] ? __pfx_kthread+0x10/0x10 [ 16.830420] ret_from_fork_asm+0x1a/0x30 [ 16.830453] </TASK> [ 16.830463] [ 16.837974] Allocated by task 302: [ 16.838154] kasan_save_stack+0x45/0x70 [ 16.838337] kasan_save_track+0x18/0x40 [ 16.838546] kasan_save_alloc_info+0x3b/0x50 [ 16.838710] __kasan_kmalloc+0xb7/0xc0 [ 16.838912] __kmalloc_noprof+0x1c9/0x500 [ 16.839089] kunit_kmalloc_array+0x25/0x60 [ 16.839293] copy_user_test_oob+0xab/0x10f0 [ 16.839459] kunit_try_run_case+0x1a5/0x480 [ 16.839607] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.839794] kthread+0x337/0x6f0 [ 16.839917] ret_from_fork+0x116/0x1d0 [ 16.840182] ret_from_fork_asm+0x1a/0x30 [ 16.840445] [ 16.840539] The buggy address belongs to the object at ffff88810307db00 [ 16.840539] which belongs to the cache kmalloc-128 of size 128 [ 16.841074] The buggy address is located 0 bytes to the right of [ 16.841074] allocated 120-byte region [ffff88810307db00, ffff88810307db78) [ 16.841562] [ 16.841634] The buggy address belongs to the physical page: [ 16.842621] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10307d [ 16.843008] flags: 0x200000000000000(node=0|zone=2) [ 16.843250] page_type: f5(slab) [ 16.843419] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.844097] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.844601] page dumped because: kasan: bad access detected [ 16.844905] [ 16.845137] Memory state around the buggy address: [ 16.845480] ffff88810307da00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.845801] ffff88810307da80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.846093] >ffff88810307db00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.846384] ^ [ 16.847108] ffff88810307db80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.847588] ffff88810307dc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.848096] ================================================================== [ 16.810462] ================================================================== [ 16.810748] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 16.811119] Write of size 121 at addr ffff88810307db00 by task kunit_try_catch/302 [ 16.811455] [ 16.811540] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.811584] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.811596] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.811618] Call Trace: [ 16.811633] <TASK> [ 16.811649] dump_stack_lvl+0x73/0xb0 [ 16.811679] print_report+0xd1/0x610 [ 16.811703] ? __virt_addr_valid+0x1db/0x2d0 [ 16.811727] ? strncpy_from_user+0x2e/0x1d0 [ 16.811751] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.811789] ? strncpy_from_user+0x2e/0x1d0 [ 16.811814] kasan_report+0x141/0x180 [ 16.811838] ? strncpy_from_user+0x2e/0x1d0 [ 16.811867] kasan_check_range+0x10c/0x1c0 [ 16.811892] __kasan_check_write+0x18/0x20 [ 16.811913] strncpy_from_user+0x2e/0x1d0 [ 16.811949] ? __kasan_check_read+0x15/0x20 [ 16.811972] copy_user_test_oob+0x760/0x10f0 [ 16.812000] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.812025] ? finish_task_switch.isra.0+0x153/0x700 [ 16.812050] ? __switch_to+0x47/0xf50 [ 16.812076] ? __schedule+0x10cc/0x2b60 [ 16.812099] ? __pfx_read_tsc+0x10/0x10 [ 16.812122] ? ktime_get_ts64+0x86/0x230 [ 16.812146] kunit_try_run_case+0x1a5/0x480 [ 16.812173] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.812199] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.812225] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.812251] ? __kthread_parkme+0x82/0x180 [ 16.812272] ? preempt_count_sub+0x50/0x80 [ 16.812297] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.812323] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.812350] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.812377] kthread+0x337/0x6f0 [ 16.812398] ? trace_preempt_on+0x20/0xc0 [ 16.812423] ? __pfx_kthread+0x10/0x10 [ 16.812456] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.812478] ? calculate_sigpending+0x7b/0xa0 [ 16.812504] ? __pfx_kthread+0x10/0x10 [ 16.812527] ret_from_fork+0x116/0x1d0 [ 16.812546] ? __pfx_kthread+0x10/0x10 [ 16.812567] ret_from_fork_asm+0x1a/0x30 [ 16.812600] </TASK> [ 16.812611] [ 16.820329] Allocated by task 302: [ 16.820506] kasan_save_stack+0x45/0x70 [ 16.820736] kasan_save_track+0x18/0x40 [ 16.820941] kasan_save_alloc_info+0x3b/0x50 [ 16.821144] __kasan_kmalloc+0xb7/0xc0 [ 16.821289] __kmalloc_noprof+0x1c9/0x500 [ 16.821489] kunit_kmalloc_array+0x25/0x60 [ 16.821642] copy_user_test_oob+0xab/0x10f0 [ 16.821906] kunit_try_run_case+0x1a5/0x480 [ 16.822221] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.822435] kthread+0x337/0x6f0 [ 16.822567] ret_from_fork+0x116/0x1d0 [ 16.822704] ret_from_fork_asm+0x1a/0x30 [ 16.822858] [ 16.822932] The buggy address belongs to the object at ffff88810307db00 [ 16.822932] which belongs to the cache kmalloc-128 of size 128 [ 16.823507] The buggy address is located 0 bytes inside of [ 16.823507] allocated 120-byte region [ffff88810307db00, ffff88810307db78) [ 16.823959] [ 16.824037] The buggy address belongs to the physical page: [ 16.824210] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10307d [ 16.824485] flags: 0x200000000000000(node=0|zone=2) [ 16.824718] page_type: f5(slab) [ 16.824897] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.825245] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.825599] page dumped because: kasan: bad access detected [ 16.825868] [ 16.825970] Memory state around the buggy address: [ 16.826208] ffff88810307da00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.826540] ffff88810307da80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.826797] >ffff88810307db00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.827025] ^ [ 16.827341] ffff88810307db80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.827589] ffff88810307dc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.827847] ==================================================================