Date
June 3, 2025, 7:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.623161] ================================================================== [ 21.623557] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 21.623721] Write of size 1 at addr fff00000c58a9678 by task kunit_try_catch/285 [ 21.623834] [ 21.623870] CPU: 1 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT [ 21.623960] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.624405] Hardware name: linux,dummy-virt (DT) [ 21.624477] Call trace: [ 21.624655] show_stack+0x20/0x38 (C) [ 21.624903] dump_stack_lvl+0x8c/0xd0 [ 21.625175] print_report+0x118/0x608 [ 21.625365] kasan_report+0xdc/0x128 [ 21.625589] __asan_report_store1_noabort+0x20/0x30 [ 21.625800] strncpy_from_user+0x270/0x2a0 [ 21.626018] copy_user_test_oob+0x5c0/0xec8 [ 21.626192] kunit_try_run_case+0x170/0x3f0 [ 21.626457] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.626888] kthread+0x328/0x630 [ 21.627093] ret_from_fork+0x10/0x20 [ 21.627151] [ 21.627172] Allocated by task 285: [ 21.627203] kasan_save_stack+0x3c/0x68 [ 21.627339] kasan_save_track+0x20/0x40 [ 21.627405] kasan_save_alloc_info+0x40/0x58 [ 21.627869] __kasan_kmalloc+0xd4/0xd8 [ 21.628024] __kmalloc_noprof+0x198/0x4c8 [ 21.628146] kunit_kmalloc_array+0x34/0x88 [ 21.628381] copy_user_test_oob+0xac/0xec8 [ 21.628444] kunit_try_run_case+0x170/0x3f0 [ 21.628487] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.628602] kthread+0x328/0x630 [ 21.628855] ret_from_fork+0x10/0x20 [ 21.629163] [ 21.629291] The buggy address belongs to the object at fff00000c58a9600 [ 21.629291] which belongs to the cache kmalloc-128 of size 128 [ 21.629763] The buggy address is located 0 bytes to the right of [ 21.629763] allocated 120-byte region [fff00000c58a9600, fff00000c58a9678) [ 21.629951] [ 21.630135] The buggy address belongs to the physical page: [ 21.630277] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058a9 [ 21.630539] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.630660] page_type: f5(slab) [ 21.630806] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.630885] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.631015] page dumped because: kasan: bad access detected [ 21.631063] [ 21.631116] Memory state around the buggy address: [ 21.631171] fff00000c58a9500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.631217] fff00000c58a9580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.631262] >fff00000c58a9600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.631304] ^ [ 21.631363] fff00000c58a9680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.632058] fff00000c58a9700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.632139] ================================================================== [ 21.612095] ================================================================== [ 21.612158] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 21.612646] Write of size 121 at addr fff00000c58a9600 by task kunit_try_catch/285 [ 21.612759] [ 21.613128] CPU: 1 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT [ 21.613529] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.613677] Hardware name: linux,dummy-virt (DT) [ 21.613720] Call trace: [ 21.613771] show_stack+0x20/0x38 (C) [ 21.614006] dump_stack_lvl+0x8c/0xd0 [ 21.614258] print_report+0x118/0x608 [ 21.614329] kasan_report+0xdc/0x128 [ 21.614541] kasan_check_range+0x100/0x1a8 [ 21.614661] __kasan_check_write+0x20/0x30 [ 21.614722] strncpy_from_user+0x3c/0x2a0 [ 21.615129] copy_user_test_oob+0x5c0/0xec8 [ 21.615244] kunit_try_run_case+0x170/0x3f0 [ 21.615438] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.615502] kthread+0x328/0x630 [ 21.615554] ret_from_fork+0x10/0x20 [ 21.615834] [ 21.615868] Allocated by task 285: [ 21.615903] kasan_save_stack+0x3c/0x68 [ 21.615949] kasan_save_track+0x20/0x40 [ 21.616004] kasan_save_alloc_info+0x40/0x58 [ 21.616044] __kasan_kmalloc+0xd4/0xd8 [ 21.616081] __kmalloc_noprof+0x198/0x4c8 [ 21.616130] kunit_kmalloc_array+0x34/0x88 [ 21.616167] copy_user_test_oob+0xac/0xec8 [ 21.616220] kunit_try_run_case+0x170/0x3f0 [ 21.616274] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.616321] kthread+0x328/0x630 [ 21.616364] ret_from_fork+0x10/0x20 [ 21.616416] [ 21.616567] The buggy address belongs to the object at fff00000c58a9600 [ 21.616567] which belongs to the cache kmalloc-128 of size 128 [ 21.617207] The buggy address is located 0 bytes inside of [ 21.617207] allocated 120-byte region [fff00000c58a9600, fff00000c58a9678) [ 21.617420] [ 21.617683] The buggy address belongs to the physical page: [ 21.618032] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058a9 [ 21.618221] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.618616] page_type: f5(slab) [ 21.618828] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.619081] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.619161] page dumped because: kasan: bad access detected [ 21.619498] [ 21.619688] Memory state around the buggy address: [ 21.619986] fff00000c58a9500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.620078] fff00000c58a9580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.620134] >fff00000c58a9600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.620374] ^ [ 21.620739] fff00000c58a9680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.620894] fff00000c58a9700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.621540] ==================================================================
[ 19.921394] ================================================================== [ 19.921718] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 19.921906] Write of size 121 at addr ffff888103341c00 by task kunit_try_catch/302 [ 19.922520] [ 19.922741] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT(voluntary) [ 19.923072] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.923109] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.923138] Call Trace: [ 19.923167] <TASK> [ 19.923218] dump_stack_lvl+0x73/0xb0 [ 19.923272] print_report+0xd1/0x650 [ 19.923302] ? __virt_addr_valid+0x1db/0x2d0 [ 19.923331] ? strncpy_from_user+0x2e/0x1d0 [ 19.923405] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.923439] ? strncpy_from_user+0x2e/0x1d0 [ 19.923478] kasan_report+0x141/0x180 [ 19.923555] ? strncpy_from_user+0x2e/0x1d0 [ 19.923624] kasan_check_range+0x10c/0x1c0 [ 19.923666] __kasan_check_write+0x18/0x20 [ 19.923710] strncpy_from_user+0x2e/0x1d0 [ 19.923738] ? __kasan_check_read+0x15/0x20 [ 19.923764] copy_user_test_oob+0x760/0x10f0 [ 19.923795] ? __pfx_copy_user_test_oob+0x10/0x10 [ 19.923823] ? finish_task_switch.isra.0+0x153/0x700 [ 19.923854] ? __switch_to+0x47/0xf50 [ 19.923886] ? __schedule+0x10cc/0x2b60 [ 19.923916] ? __pfx_read_tsc+0x10/0x10 [ 19.923944] ? ktime_get_ts64+0x86/0x230 [ 19.923973] kunit_try_run_case+0x1a5/0x480 [ 19.924001] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.924026] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.924055] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.924083] ? __kthread_parkme+0x82/0x180 [ 19.924108] ? preempt_count_sub+0x50/0x80 [ 19.924137] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.924165] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.924211] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.924247] kthread+0x337/0x6f0 [ 19.924275] ? trace_preempt_on+0x20/0xc0 [ 19.924304] ? __pfx_kthread+0x10/0x10 [ 19.924330] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.924359] ? calculate_sigpending+0x7b/0xa0 [ 19.924391] ? __pfx_kthread+0x10/0x10 [ 19.924525] ret_from_fork+0x116/0x1d0 [ 19.924554] ? __pfx_kthread+0x10/0x10 [ 19.924578] ret_from_fork_asm+0x1a/0x30 [ 19.924615] </TASK> [ 19.924630] [ 19.936363] Allocated by task 302: [ 19.936734] kasan_save_stack+0x45/0x70 [ 19.936878] kasan_save_track+0x18/0x40 [ 19.937158] kasan_save_alloc_info+0x3b/0x50 [ 19.937504] __kasan_kmalloc+0xb7/0xc0 [ 19.937604] __kmalloc_noprof+0x1c9/0x500 [ 19.937907] kunit_kmalloc_array+0x25/0x60 [ 19.938030] copy_user_test_oob+0xab/0x10f0 [ 19.938331] kunit_try_run_case+0x1a5/0x480 [ 19.938487] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.938708] kthread+0x337/0x6f0 [ 19.938921] ret_from_fork+0x116/0x1d0 [ 19.939032] ret_from_fork_asm+0x1a/0x30 [ 19.939179] [ 19.939504] The buggy address belongs to the object at ffff888103341c00 [ 19.939504] which belongs to the cache kmalloc-128 of size 128 [ 19.940039] The buggy address is located 0 bytes inside of [ 19.940039] allocated 120-byte region [ffff888103341c00, ffff888103341c78) [ 19.940265] [ 19.940400] The buggy address belongs to the physical page: [ 19.940770] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103341 [ 19.941352] flags: 0x200000000000000(node=0|zone=2) [ 19.941756] page_type: f5(slab) [ 19.941906] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 19.942745] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.942917] page dumped because: kasan: bad access detected [ 19.943037] [ 19.943182] Memory state around the buggy address: [ 19.943782] ffff888103341b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.944228] ffff888103341b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.944634] >ffff888103341c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.945115] ^ [ 19.945466] ffff888103341c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.945918] ffff888103341d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.946407] ================================================================== [ 19.947518] ================================================================== [ 19.948309] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 19.948544] Write of size 1 at addr ffff888103341c78 by task kunit_try_catch/302 [ 19.948712] [ 19.948885] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT(voluntary) [ 19.948947] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.948963] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.948990] Call Trace: [ 19.949016] <TASK> [ 19.949043] dump_stack_lvl+0x73/0xb0 [ 19.949075] print_report+0xd1/0x650 [ 19.949105] ? __virt_addr_valid+0x1db/0x2d0 [ 19.949132] ? strncpy_from_user+0x1a5/0x1d0 [ 19.949156] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.949182] ? strncpy_from_user+0x1a5/0x1d0 [ 19.949207] kasan_report+0x141/0x180 [ 19.949233] ? strncpy_from_user+0x1a5/0x1d0 [ 19.949261] __asan_report_store1_noabort+0x1b/0x30 [ 19.949322] strncpy_from_user+0x1a5/0x1d0 [ 19.949364] copy_user_test_oob+0x760/0x10f0 [ 19.949399] ? __pfx_copy_user_test_oob+0x10/0x10 [ 19.949424] ? finish_task_switch.isra.0+0x153/0x700 [ 19.949451] ? __switch_to+0x47/0xf50 [ 19.949495] ? __schedule+0x10cc/0x2b60 [ 19.949524] ? __pfx_read_tsc+0x10/0x10 [ 19.949550] ? ktime_get_ts64+0x86/0x230 [ 19.949579] kunit_try_run_case+0x1a5/0x480 [ 19.949607] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.949630] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.949659] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.949687] ? __kthread_parkme+0x82/0x180 [ 19.949712] ? preempt_count_sub+0x50/0x80 [ 19.949739] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.949764] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.949794] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.949821] kthread+0x337/0x6f0 [ 19.949846] ? trace_preempt_on+0x20/0xc0 [ 19.949873] ? __pfx_kthread+0x10/0x10 [ 19.949897] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.949925] ? calculate_sigpending+0x7b/0xa0 [ 19.949953] ? __pfx_kthread+0x10/0x10 [ 19.949979] ret_from_fork+0x116/0x1d0 [ 19.950001] ? __pfx_kthread+0x10/0x10 [ 19.950028] ret_from_fork_asm+0x1a/0x30 [ 19.950065] </TASK> [ 19.950080] [ 19.957166] Allocated by task 302: [ 19.957508] kasan_save_stack+0x45/0x70 [ 19.957796] kasan_save_track+0x18/0x40 [ 19.958032] kasan_save_alloc_info+0x3b/0x50 [ 19.958172] __kasan_kmalloc+0xb7/0xc0 [ 19.958439] __kmalloc_noprof+0x1c9/0x500 [ 19.958590] kunit_kmalloc_array+0x25/0x60 [ 19.958796] copy_user_test_oob+0xab/0x10f0 [ 19.959022] kunit_try_run_case+0x1a5/0x480 [ 19.959293] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.959539] kthread+0x337/0x6f0 [ 19.959734] ret_from_fork+0x116/0x1d0 [ 19.959849] ret_from_fork_asm+0x1a/0x30 [ 19.959963] [ 19.960111] The buggy address belongs to the object at ffff888103341c00 [ 19.960111] which belongs to the cache kmalloc-128 of size 128 [ 19.960524] The buggy address is located 0 bytes to the right of [ 19.960524] allocated 120-byte region [ffff888103341c00, ffff888103341c78) [ 19.961193] [ 19.961328] The buggy address belongs to the physical page: [ 19.961554] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103341 [ 19.961739] flags: 0x200000000000000(node=0|zone=2) [ 19.961874] page_type: f5(slab) [ 19.961980] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 19.962151] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.962314] page dumped because: kasan: bad access detected [ 19.962700] [ 19.962845] Memory state around the buggy address: [ 19.963359] ffff888103341b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.963875] ffff888103341b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.964061] >ffff888103341c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.964263] ^ [ 19.964782] ffff888103341c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.964993] ffff888103341d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.965418] ==================================================================