Date
July 17, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.522496] ================================================================== [ 18.522547] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 18.522699] Write of size 8 at addr fff00000c65eeb78 by task kunit_try_catch/282 [ 18.522829] [ 18.522866] CPU: 0 UID: 0 PID: 282 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.523042] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.523072] Hardware name: linux,dummy-virt (DT) [ 18.523105] Call trace: [ 18.523129] show_stack+0x20/0x38 (C) [ 18.523177] dump_stack_lvl+0x8c/0xd0 [ 18.523226] print_report+0x118/0x5d0 [ 18.523293] kasan_report+0xdc/0x128 [ 18.523340] kasan_check_range+0x100/0x1a8 [ 18.523390] __kasan_check_write+0x20/0x30 [ 18.523443] copy_to_kernel_nofault+0x8c/0x250 [ 18.523494] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 18.523543] kunit_try_run_case+0x170/0x3f0 [ 18.523592] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.523645] kthread+0x328/0x630 [ 18.523688] ret_from_fork+0x10/0x20 [ 18.523748] [ 18.523770] Allocated by task 282: [ 18.523798] kasan_save_stack+0x3c/0x68 [ 18.523840] kasan_save_track+0x20/0x40 [ 18.523878] kasan_save_alloc_info+0x40/0x58 [ 18.523920] __kasan_kmalloc+0xd4/0xd8 [ 18.523957] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.524070] copy_to_kernel_nofault_oob+0xc8/0x418 [ 18.524394] kunit_try_run_case+0x170/0x3f0 [ 18.524478] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.524522] kthread+0x328/0x630 [ 18.524648] ret_from_fork+0x10/0x20 [ 18.524827] [ 18.524849] The buggy address belongs to the object at fff00000c65eeb00 [ 18.524849] which belongs to the cache kmalloc-128 of size 128 [ 18.524910] The buggy address is located 0 bytes to the right of [ 18.524910] allocated 120-byte region [fff00000c65eeb00, fff00000c65eeb78) [ 18.524988] [ 18.525008] The buggy address belongs to the physical page: [ 18.525041] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065ee [ 18.525096] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.525145] page_type: f5(slab) [ 18.525185] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.525279] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.525323] page dumped because: kasan: bad access detected [ 18.525356] [ 18.525375] Memory state around the buggy address: [ 18.525409] fff00000c65eea00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.525456] fff00000c65eea80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.525502] >fff00000c65eeb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.525557] ^ [ 18.525666] fff00000c65eeb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.525712] fff00000c65eec00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.525754] ================================================================== [ 18.518239] ================================================================== [ 18.518299] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 18.518360] Read of size 8 at addr fff00000c65eeb78 by task kunit_try_catch/282 [ 18.518412] [ 18.518446] CPU: 0 UID: 0 PID: 282 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.518535] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.518565] Hardware name: linux,dummy-virt (DT) [ 18.518598] Call trace: [ 18.518622] show_stack+0x20/0x38 (C) [ 18.518673] dump_stack_lvl+0x8c/0xd0 [ 18.518990] print_report+0x118/0x5d0 [ 18.519049] kasan_report+0xdc/0x128 [ 18.519212] __asan_report_load8_noabort+0x20/0x30 [ 18.519266] copy_to_kernel_nofault+0x204/0x250 [ 18.519322] copy_to_kernel_nofault_oob+0x158/0x418 [ 18.519501] kunit_try_run_case+0x170/0x3f0 [ 18.519560] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.519823] kthread+0x328/0x630 [ 18.519866] ret_from_fork+0x10/0x20 [ 18.519914] [ 18.519934] Allocated by task 282: [ 18.519966] kasan_save_stack+0x3c/0x68 [ 18.520019] kasan_save_track+0x20/0x40 [ 18.520066] kasan_save_alloc_info+0x40/0x58 [ 18.520141] __kasan_kmalloc+0xd4/0xd8 [ 18.520295] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.520509] copy_to_kernel_nofault_oob+0xc8/0x418 [ 18.520586] kunit_try_run_case+0x170/0x3f0 [ 18.520742] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.520860] kthread+0x328/0x630 [ 18.520893] ret_from_fork+0x10/0x20 [ 18.520932] [ 18.520953] The buggy address belongs to the object at fff00000c65eeb00 [ 18.520953] which belongs to the cache kmalloc-128 of size 128 [ 18.521025] The buggy address is located 0 bytes to the right of [ 18.521025] allocated 120-byte region [fff00000c65eeb00, fff00000c65eeb78) [ 18.521092] [ 18.521116] The buggy address belongs to the physical page: [ 18.521150] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065ee [ 18.521207] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.521258] page_type: f5(slab) [ 18.521298] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.521351] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.521393] page dumped because: kasan: bad access detected [ 18.521427] [ 18.521462] Memory state around the buggy address: [ 18.521607] fff00000c65eea00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.521730] fff00000c65eea80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.521776] >fff00000c65eeb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.521818] ^ [ 18.521944] fff00000c65eeb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.522002] fff00000c65eec00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.522045] ==================================================================
[ 17.118835] ================================================================== [ 17.119188] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 17.119706] Write of size 8 at addr ffff8881039b9578 by task kunit_try_catch/298 [ 17.119942] [ 17.120052] CPU: 0 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.120129] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.120142] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.120162] Call Trace: [ 17.120176] <TASK> [ 17.120192] dump_stack_lvl+0x73/0xb0 [ 17.120221] print_report+0xd1/0x610 [ 17.120299] ? __virt_addr_valid+0x1db/0x2d0 [ 17.120324] ? copy_to_kernel_nofault+0x99/0x260 [ 17.120350] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.120376] ? copy_to_kernel_nofault+0x99/0x260 [ 17.120402] kasan_report+0x141/0x180 [ 17.120425] ? copy_to_kernel_nofault+0x99/0x260 [ 17.120455] kasan_check_range+0x10c/0x1c0 [ 17.120480] __kasan_check_write+0x18/0x20 [ 17.120501] copy_to_kernel_nofault+0x99/0x260 [ 17.120600] copy_to_kernel_nofault_oob+0x288/0x560 [ 17.120627] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 17.120653] ? finish_task_switch.isra.0+0x153/0x700 [ 17.120679] ? __schedule+0x10cc/0x2b60 [ 17.120702] ? trace_hardirqs_on+0x37/0xe0 [ 17.120734] ? __pfx_read_tsc+0x10/0x10 [ 17.120756] ? ktime_get_ts64+0x86/0x230 [ 17.120781] kunit_try_run_case+0x1a5/0x480 [ 17.120807] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.120831] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 17.120855] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.120882] ? __kthread_parkme+0x82/0x180 [ 17.120904] ? preempt_count_sub+0x50/0x80 [ 17.120928] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.120977] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.121004] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.121031] kthread+0x337/0x6f0 [ 17.121051] ? trace_preempt_on+0x20/0xc0 [ 17.121075] ? __pfx_kthread+0x10/0x10 [ 17.121096] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.121119] ? calculate_sigpending+0x7b/0xa0 [ 17.121144] ? __pfx_kthread+0x10/0x10 [ 17.121186] ret_from_fork+0x116/0x1d0 [ 17.121206] ? __pfx_kthread+0x10/0x10 [ 17.121228] ret_from_fork_asm+0x1a/0x30 [ 17.121259] </TASK> [ 17.121314] [ 17.131912] Allocated by task 298: [ 17.132127] kasan_save_stack+0x45/0x70 [ 17.132387] kasan_save_track+0x18/0x40 [ 17.132533] kasan_save_alloc_info+0x3b/0x50 [ 17.132701] __kasan_kmalloc+0xb7/0xc0 [ 17.132890] __kmalloc_cache_noprof+0x189/0x420 [ 17.133153] copy_to_kernel_nofault_oob+0x12f/0x560 [ 17.133578] kunit_try_run_case+0x1a5/0x480 [ 17.133754] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.133933] kthread+0x337/0x6f0 [ 17.134105] ret_from_fork+0x116/0x1d0 [ 17.134567] ret_from_fork_asm+0x1a/0x30 [ 17.134780] [ 17.134860] The buggy address belongs to the object at ffff8881039b9500 [ 17.134860] which belongs to the cache kmalloc-128 of size 128 [ 17.135476] The buggy address is located 0 bytes to the right of [ 17.135476] allocated 120-byte region [ffff8881039b9500, ffff8881039b9578) [ 17.136309] [ 17.136404] The buggy address belongs to the physical page: [ 17.136655] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039b9 [ 17.136900] flags: 0x200000000000000(node=0|zone=2) [ 17.137159] page_type: f5(slab) [ 17.137461] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 17.137841] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.138145] page dumped because: kasan: bad access detected [ 17.138329] [ 17.138423] Memory state around the buggy address: [ 17.138843] ffff8881039b9400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.139167] ffff8881039b9480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.139428] >ffff8881039b9500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.139857] ^ [ 17.140135] ffff8881039b9580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.140591] ffff8881039b9600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.140869] ================================================================== [ 17.098036] ================================================================== [ 17.098769] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 17.099077] Read of size 8 at addr ffff8881039b9578 by task kunit_try_catch/298 [ 17.099560] [ 17.099744] CPU: 0 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.099797] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.099810] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.099834] Call Trace: [ 17.099849] <TASK> [ 17.099867] dump_stack_lvl+0x73/0xb0 [ 17.099902] print_report+0xd1/0x610 [ 17.099928] ? __virt_addr_valid+0x1db/0x2d0 [ 17.099953] ? copy_to_kernel_nofault+0x225/0x260 [ 17.099979] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.100004] ? copy_to_kernel_nofault+0x225/0x260 [ 17.100030] kasan_report+0x141/0x180 [ 17.100053] ? copy_to_kernel_nofault+0x225/0x260 [ 17.100089] __asan_report_load8_noabort+0x18/0x20 [ 17.100117] copy_to_kernel_nofault+0x225/0x260 [ 17.100144] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 17.100170] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 17.100196] ? finish_task_switch.isra.0+0x153/0x700 [ 17.100222] ? __schedule+0x10cc/0x2b60 [ 17.100319] ? trace_hardirqs_on+0x37/0xe0 [ 17.100376] ? __pfx_read_tsc+0x10/0x10 [ 17.100401] ? ktime_get_ts64+0x86/0x230 [ 17.100429] kunit_try_run_case+0x1a5/0x480 [ 17.100456] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.100497] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 17.100524] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.100570] ? __kthread_parkme+0x82/0x180 [ 17.100595] ? preempt_count_sub+0x50/0x80 [ 17.100619] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.100644] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.100671] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.100698] kthread+0x337/0x6f0 [ 17.100719] ? trace_preempt_on+0x20/0xc0 [ 17.100742] ? __pfx_kthread+0x10/0x10 [ 17.100764] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.100788] ? calculate_sigpending+0x7b/0xa0 [ 17.100813] ? __pfx_kthread+0x10/0x10 [ 17.100836] ret_from_fork+0x116/0x1d0 [ 17.100856] ? __pfx_kthread+0x10/0x10 [ 17.100878] ret_from_fork_asm+0x1a/0x30 [ 17.100911] </TASK> [ 17.100925] [ 17.109193] Allocated by task 298: [ 17.109411] kasan_save_stack+0x45/0x70 [ 17.109707] kasan_save_track+0x18/0x40 [ 17.110000] kasan_save_alloc_info+0x3b/0x50 [ 17.110201] __kasan_kmalloc+0xb7/0xc0 [ 17.110404] __kmalloc_cache_noprof+0x189/0x420 [ 17.110725] copy_to_kernel_nofault_oob+0x12f/0x560 [ 17.110963] kunit_try_run_case+0x1a5/0x480 [ 17.111165] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.111447] kthread+0x337/0x6f0 [ 17.111768] ret_from_fork+0x116/0x1d0 [ 17.111963] ret_from_fork_asm+0x1a/0x30 [ 17.112165] [ 17.112279] The buggy address belongs to the object at ffff8881039b9500 [ 17.112279] which belongs to the cache kmalloc-128 of size 128 [ 17.112734] The buggy address is located 0 bytes to the right of [ 17.112734] allocated 120-byte region [ffff8881039b9500, ffff8881039b9578) [ 17.113395] [ 17.113517] The buggy address belongs to the physical page: [ 17.113785] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039b9 [ 17.114163] flags: 0x200000000000000(node=0|zone=2) [ 17.114501] page_type: f5(slab) [ 17.114796] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 17.115042] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.115378] page dumped because: kasan: bad access detected [ 17.115716] [ 17.115812] Memory state around the buggy address: [ 17.115972] ffff8881039b9400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.116200] ffff8881039b9480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.116421] >ffff8881039b9500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.116739] ^ [ 17.117088] ffff8881039b9580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.117412] ffff8881039b9600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.117909] ==================================================================