Date
June 3, 2025, 7:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.477865] ================================================================== [ 21.477943] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 21.478015] Read of size 8 at addr fff00000c58a9578 by task kunit_try_catch/281 [ 21.478070] [ 21.478111] CPU: 1 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT [ 21.478199] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.478229] Hardware name: linux,dummy-virt (DT) [ 21.478262] Call trace: [ 21.478288] show_stack+0x20/0x38 (C) [ 21.478342] dump_stack_lvl+0x8c/0xd0 [ 21.478651] print_report+0x118/0x608 [ 21.478704] kasan_report+0xdc/0x128 [ 21.478751] __asan_report_load8_noabort+0x20/0x30 [ 21.479359] copy_to_kernel_nofault+0x204/0x250 [ 21.479469] copy_to_kernel_nofault_oob+0x158/0x418 [ 21.479638] kunit_try_run_case+0x170/0x3f0 [ 21.479714] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.479770] kthread+0x328/0x630 [ 21.480118] ret_from_fork+0x10/0x20 [ 21.480309] [ 21.480360] Allocated by task 281: [ 21.480423] kasan_save_stack+0x3c/0x68 [ 21.480653] kasan_save_track+0x20/0x40 [ 21.480824] kasan_save_alloc_info+0x40/0x58 [ 21.481020] __kasan_kmalloc+0xd4/0xd8 [ 21.481193] __kmalloc_cache_noprof+0x16c/0x3c0 [ 21.481279] copy_to_kernel_nofault_oob+0xc8/0x418 [ 21.481320] kunit_try_run_case+0x170/0x3f0 [ 21.481518] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.481749] kthread+0x328/0x630 [ 21.481811] ret_from_fork+0x10/0x20 [ 21.481947] [ 21.482028] The buggy address belongs to the object at fff00000c58a9500 [ 21.482028] which belongs to the cache kmalloc-128 of size 128 [ 21.482182] The buggy address is located 0 bytes to the right of [ 21.482182] allocated 120-byte region [fff00000c58a9500, fff00000c58a9578) [ 21.482598] [ 21.482781] The buggy address belongs to the physical page: [ 21.482936] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058a9 [ 21.483044] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.483130] page_type: f5(slab) [ 21.483173] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.483369] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.484014] page dumped because: kasan: bad access detected [ 21.484075] [ 21.484107] Memory state around the buggy address: [ 21.484146] fff00000c58a9400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.484192] fff00000c58a9480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.484481] >fff00000c58a9500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.484810] ^ [ 21.485305] fff00000c58a9580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.485388] fff00000c58a9600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.485616] ================================================================== [ 21.487116] ================================================================== [ 21.487174] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 21.487228] Write of size 8 at addr fff00000c58a9578 by task kunit_try_catch/281 [ 21.487329] [ 21.487377] CPU: 1 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT [ 21.487831] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.487940] Hardware name: linux,dummy-virt (DT) [ 21.488042] Call trace: [ 21.488167] show_stack+0x20/0x38 (C) [ 21.488226] dump_stack_lvl+0x8c/0xd0 [ 21.488448] print_report+0x118/0x608 [ 21.488640] kasan_report+0xdc/0x128 [ 21.488774] kasan_check_range+0x100/0x1a8 [ 21.489161] __kasan_check_write+0x20/0x30 [ 21.489377] copy_to_kernel_nofault+0x8c/0x250 [ 21.489657] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 21.489921] kunit_try_run_case+0x170/0x3f0 [ 21.490139] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.490209] kthread+0x328/0x630 [ 21.490415] ret_from_fork+0x10/0x20 [ 21.490621] [ 21.490646] Allocated by task 281: [ 21.490679] kasan_save_stack+0x3c/0x68 [ 21.490722] kasan_save_track+0x20/0x40 [ 21.490763] kasan_save_alloc_info+0x40/0x58 [ 21.490801] __kasan_kmalloc+0xd4/0xd8 [ 21.490840] __kmalloc_cache_noprof+0x16c/0x3c0 [ 21.490889] copy_to_kernel_nofault_oob+0xc8/0x418 [ 21.490930] kunit_try_run_case+0x170/0x3f0 [ 21.490979] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.491025] kthread+0x328/0x630 [ 21.491058] ret_from_fork+0x10/0x20 [ 21.491104] [ 21.491135] The buggy address belongs to the object at fff00000c58a9500 [ 21.491135] which belongs to the cache kmalloc-128 of size 128 [ 21.491202] The buggy address is located 0 bytes to the right of [ 21.491202] allocated 120-byte region [fff00000c58a9500, fff00000c58a9578) [ 21.491270] [ 21.491290] The buggy address belongs to the physical page: [ 21.491347] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058a9 [ 21.491436] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.491867] page_type: f5(slab) [ 21.491916] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.491971] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.492484] page dumped because: kasan: bad access detected [ 21.492814] [ 21.492958] Memory state around the buggy address: [ 21.493039] fff00000c58a9400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.493213] fff00000c58a9480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.493408] >fff00000c58a9500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.493492] ^ [ 21.493680] fff00000c58a9580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.493923] fff00000c58a9600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.494026] ==================================================================
[ 19.735912] ================================================================== [ 19.736550] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 19.736778] Write of size 8 at addr ffff888103341b78 by task kunit_try_catch/298 [ 19.737438] [ 19.737628] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT(voluntary) [ 19.737714] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.737732] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.737761] Call Trace: [ 19.737780] <TASK> [ 19.737805] dump_stack_lvl+0x73/0xb0 [ 19.737840] print_report+0xd1/0x650 [ 19.737867] ? __virt_addr_valid+0x1db/0x2d0 [ 19.737895] ? copy_to_kernel_nofault+0x99/0x260 [ 19.737921] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.737949] ? copy_to_kernel_nofault+0x99/0x260 [ 19.737976] kasan_report+0x141/0x180 [ 19.738002] ? copy_to_kernel_nofault+0x99/0x260 [ 19.738033] kasan_check_range+0x10c/0x1c0 [ 19.738060] __kasan_check_write+0x18/0x20 [ 19.738082] copy_to_kernel_nofault+0x99/0x260 [ 19.738110] copy_to_kernel_nofault_oob+0x288/0x560 [ 19.738136] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 19.738162] ? finish_task_switch.isra.0+0x153/0x700 [ 19.738189] ? __schedule+0x10cc/0x2b60 [ 19.738244] ? trace_hardirqs_on+0x37/0xe0 [ 19.738280] ? __pfx_read_tsc+0x10/0x10 [ 19.738307] ? ktime_get_ts64+0x86/0x230 [ 19.738336] kunit_try_run_case+0x1a5/0x480 [ 19.738362] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.738415] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.738444] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.738484] ? __kthread_parkme+0x82/0x180 [ 19.738508] ? preempt_count_sub+0x50/0x80 [ 19.738535] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.738559] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.738586] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.738613] kthread+0x337/0x6f0 [ 19.738636] ? trace_preempt_on+0x20/0xc0 [ 19.738661] ? __pfx_kthread+0x10/0x10 [ 19.738706] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.738735] ? calculate_sigpending+0x7b/0xa0 [ 19.738764] ? __pfx_kthread+0x10/0x10 [ 19.738790] ret_from_fork+0x116/0x1d0 [ 19.738814] ? __pfx_kthread+0x10/0x10 [ 19.738838] ret_from_fork_asm+0x1a/0x30 [ 19.738873] </TASK> [ 19.738888] [ 19.750637] Allocated by task 298: [ 19.751079] kasan_save_stack+0x45/0x70 [ 19.751482] kasan_save_track+0x18/0x40 [ 19.751978] kasan_save_alloc_info+0x3b/0x50 [ 19.752361] __kasan_kmalloc+0xb7/0xc0 [ 19.752675] __kmalloc_cache_noprof+0x189/0x420 [ 19.753438] copy_to_kernel_nofault_oob+0x12f/0x560 [ 19.753634] kunit_try_run_case+0x1a5/0x480 [ 19.754000] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.754549] kthread+0x337/0x6f0 [ 19.754800] ret_from_fork+0x116/0x1d0 [ 19.754934] ret_from_fork_asm+0x1a/0x30 [ 19.755231] [ 19.755369] The buggy address belongs to the object at ffff888103341b00 [ 19.755369] which belongs to the cache kmalloc-128 of size 128 [ 19.755821] The buggy address is located 0 bytes to the right of [ 19.755821] allocated 120-byte region [ffff888103341b00, ffff888103341b78) [ 19.756271] [ 19.756342] The buggy address belongs to the physical page: [ 19.756594] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103341 [ 19.757248] flags: 0x200000000000000(node=0|zone=2) [ 19.757601] page_type: f5(slab) [ 19.758512] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 19.758709] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.759240] page dumped because: kasan: bad access detected [ 19.759611] [ 19.760044] Memory state around the buggy address: [ 19.760186] ffff888103341a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.760584] ffff888103341a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.760946] >ffff888103341b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.761315] ^ [ 19.761610] ffff888103341b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.762122] ffff888103341c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.762541] ================================================================== [ 19.710632] ================================================================== [ 19.711742] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 19.712563] Read of size 8 at addr ffff888103341b78 by task kunit_try_catch/298 [ 19.713096] [ 19.713522] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT(voluntary) [ 19.713600] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.713618] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.713646] Call Trace: [ 19.713666] <TASK> [ 19.713703] dump_stack_lvl+0x73/0xb0 [ 19.713754] print_report+0xd1/0x650 [ 19.713785] ? __virt_addr_valid+0x1db/0x2d0 [ 19.713816] ? copy_to_kernel_nofault+0x225/0x260 [ 19.713844] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.713872] ? copy_to_kernel_nofault+0x225/0x260 [ 19.713955] kasan_report+0x141/0x180 [ 19.714026] ? copy_to_kernel_nofault+0x225/0x260 [ 19.714065] __asan_report_load8_noabort+0x18/0x20 [ 19.714093] copy_to_kernel_nofault+0x225/0x260 [ 19.714123] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 19.714151] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 19.714178] ? finish_task_switch.isra.0+0x153/0x700 [ 19.714232] ? __schedule+0x10cc/0x2b60 [ 19.714308] ? trace_hardirqs_on+0x37/0xe0 [ 19.714347] ? __pfx_read_tsc+0x10/0x10 [ 19.714375] ? ktime_get_ts64+0x86/0x230 [ 19.714406] kunit_try_run_case+0x1a5/0x480 [ 19.714436] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.714479] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.714511] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.714539] ? __kthread_parkme+0x82/0x180 [ 19.714565] ? preempt_count_sub+0x50/0x80 [ 19.714591] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.714617] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.714646] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.714673] kthread+0x337/0x6f0 [ 19.714696] ? trace_preempt_on+0x20/0xc0 [ 19.714809] ? __pfx_kthread+0x10/0x10 [ 19.714851] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.714881] ? calculate_sigpending+0x7b/0xa0 [ 19.714911] ? __pfx_kthread+0x10/0x10 [ 19.714935] ret_from_fork+0x116/0x1d0 [ 19.714962] ? __pfx_kthread+0x10/0x10 [ 19.714985] ret_from_fork_asm+0x1a/0x30 [ 19.715022] </TASK> [ 19.715037] [ 19.726029] Allocated by task 298: [ 19.726311] kasan_save_stack+0x45/0x70 [ 19.726606] kasan_save_track+0x18/0x40 [ 19.726739] kasan_save_alloc_info+0x3b/0x50 [ 19.726943] __kasan_kmalloc+0xb7/0xc0 [ 19.727126] __kmalloc_cache_noprof+0x189/0x420 [ 19.727395] copy_to_kernel_nofault_oob+0x12f/0x560 [ 19.727545] kunit_try_run_case+0x1a5/0x480 [ 19.727667] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.728083] kthread+0x337/0x6f0 [ 19.728358] ret_from_fork+0x116/0x1d0 [ 19.728486] ret_from_fork_asm+0x1a/0x30 [ 19.728607] [ 19.728829] The buggy address belongs to the object at ffff888103341b00 [ 19.728829] which belongs to the cache kmalloc-128 of size 128 [ 19.729489] The buggy address is located 0 bytes to the right of [ 19.729489] allocated 120-byte region [ffff888103341b00, ffff888103341b78) [ 19.730020] [ 19.730237] The buggy address belongs to the physical page: [ 19.730615] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103341 [ 19.730848] flags: 0x200000000000000(node=0|zone=2) [ 19.730998] page_type: f5(slab) [ 19.731336] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 19.731858] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.732038] page dumped because: kasan: bad access detected [ 19.732175] [ 19.732351] Memory state around the buggy address: [ 19.732775] ffff888103341a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.733235] ffff888103341a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.733504] >ffff888103341b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.733672] ^ [ 19.734129] ffff888103341b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.734511] ffff888103341c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.734826] ==================================================================