Date
June 2, 2025, 2:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.523123] ================================================================== [ 21.523771] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 21.524374] Write of size 8 at addr fff00000c65b6278 by task kunit_try_catch/271 [ 21.524858] [ 21.525035] CPU: 0 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 21.525140] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.525196] Hardware name: linux,dummy-virt (DT) [ 21.525241] Call trace: [ 21.525272] show_stack+0x20/0x38 (C) [ 21.525361] dump_stack_lvl+0x8c/0xd0 [ 21.525429] print_report+0x118/0x608 [ 21.525488] kasan_report+0xdc/0x128 [ 21.525575] kasan_check_range+0x100/0x1a8 [ 21.525638] __kasan_check_write+0x20/0x30 [ 21.525692] copy_to_kernel_nofault+0x8c/0x250 [ 21.525779] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 21.525837] kunit_try_run_case+0x170/0x3f0 [ 21.525896] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.525996] kthread+0x318/0x620 [ 21.526058] ret_from_fork+0x10/0x20 [ 21.526718] [ 21.530434] Allocated by task 271: [ 21.530701] kasan_save_stack+0x3c/0x68 [ 21.530884] kasan_save_track+0x20/0x40 [ 21.531046] kasan_save_alloc_info+0x40/0x58 [ 21.531444] __kasan_kmalloc+0xd4/0xd8 [ 21.531812] __kmalloc_cache_noprof+0x16c/0x3c0 [ 21.532246] copy_to_kernel_nofault_oob+0xc8/0x418 [ 21.532700] kunit_try_run_case+0x170/0x3f0 [ 21.533068] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.533371] kthread+0x318/0x620 [ 21.533682] ret_from_fork+0x10/0x20 [ 21.533950] [ 21.534303] The buggy address belongs to the object at fff00000c65b6200 [ 21.534303] which belongs to the cache kmalloc-128 of size 128 [ 21.535307] The buggy address is located 0 bytes to the right of [ 21.535307] allocated 120-byte region [fff00000c65b6200, fff00000c65b6278) [ 21.536104] [ 21.536310] The buggy address belongs to the physical page: [ 21.536794] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065b6 [ 21.537408] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.537907] page_type: f5(slab) [ 21.538493] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.538950] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.539411] page dumped because: kasan: bad access detected [ 21.539911] [ 21.540188] Memory state around the buggy address: [ 21.540588] fff00000c65b6100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.541162] fff00000c65b6180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.541568] >fff00000c65b6200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.542088] ^ [ 21.543533] fff00000c65b6280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.544042] fff00000c65b6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.544627] ================================================================== [ 21.501387] ================================================================== [ 21.501859] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 21.502957] Read of size 8 at addr fff00000c65b6278 by task kunit_try_catch/271 [ 21.503493] [ 21.503942] CPU: 0 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 21.504054] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.504089] Hardware name: linux,dummy-virt (DT) [ 21.504129] Call trace: [ 21.504169] show_stack+0x20/0x38 (C) [ 21.504237] dump_stack_lvl+0x8c/0xd0 [ 21.504291] print_report+0x118/0x608 [ 21.504343] kasan_report+0xdc/0x128 [ 21.504394] __asan_report_load8_noabort+0x20/0x30 [ 21.504446] copy_to_kernel_nofault+0x204/0x250 [ 21.504502] copy_to_kernel_nofault_oob+0x158/0x418 [ 21.504553] kunit_try_run_case+0x170/0x3f0 [ 21.504607] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.504666] kthread+0x318/0x620 [ 21.504720] ret_from_fork+0x10/0x20 [ 21.504774] [ 21.509827] Allocated by task 271: [ 21.510038] kasan_save_stack+0x3c/0x68 [ 21.510478] kasan_save_track+0x20/0x40 [ 21.510792] kasan_save_alloc_info+0x40/0x58 [ 21.511225] __kasan_kmalloc+0xd4/0xd8 [ 21.511401] __kmalloc_cache_noprof+0x16c/0x3c0 [ 21.511586] copy_to_kernel_nofault_oob+0xc8/0x418 [ 21.512003] kunit_try_run_case+0x170/0x3f0 [ 21.512493] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.512724] kthread+0x318/0x620 [ 21.512944] ret_from_fork+0x10/0x20 [ 21.513107] [ 21.513226] The buggy address belongs to the object at fff00000c65b6200 [ 21.513226] which belongs to the cache kmalloc-128 of size 128 [ 21.514952] The buggy address is located 0 bytes to the right of [ 21.514952] allocated 120-byte region [fff00000c65b6200, fff00000c65b6278) [ 21.515515] [ 21.515658] The buggy address belongs to the physical page: [ 21.515854] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065b6 [ 21.516161] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.516400] page_type: f5(slab) [ 21.516567] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.517050] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.518114] page dumped because: kasan: bad access detected [ 21.518506] [ 21.518644] Memory state around the buggy address: [ 21.519006] fff00000c65b6100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.519306] fff00000c65b6180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.519738] >fff00000c65b6200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.520098] ^ [ 21.520445] fff00000c65b6280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.520832] fff00000c65b6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.521313] ==================================================================
[ 16.693003] ================================================================== [ 16.693353] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 16.693903] Write of size 8 at addr ffff888101bf6278 by task kunit_try_catch/289 [ 16.694610] [ 16.694850] CPU: 1 UID: 0 PID: 289 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 16.695026] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.695045] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.695068] Call Trace: [ 16.695092] <TASK> [ 16.695108] dump_stack_lvl+0x73/0xb0 [ 16.695135] print_report+0xd1/0x650 [ 16.695172] ? __virt_addr_valid+0x1db/0x2d0 [ 16.695195] ? copy_to_kernel_nofault+0x99/0x260 [ 16.695219] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.695256] ? copy_to_kernel_nofault+0x99/0x260 [ 16.695281] kasan_report+0x140/0x180 [ 16.695304] ? copy_to_kernel_nofault+0x99/0x260 [ 16.695332] kasan_check_range+0x10c/0x1c0 [ 16.695356] __kasan_check_write+0x18/0x20 [ 16.695380] copy_to_kernel_nofault+0x99/0x260 [ 16.695405] copy_to_kernel_nofault_oob+0x289/0x560 [ 16.695429] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.695452] ? finish_task_switch.isra.0+0x153/0x700 [ 16.695477] ? __schedule+0xce8/0x2840 [ 16.695499] ? trace_hardirqs_on+0x37/0xe0 [ 16.695530] ? __pfx_read_tsc+0x10/0x10 [ 16.695553] ? ktime_get_ts64+0x86/0x230 [ 16.695579] kunit_try_run_case+0x1a6/0x480 [ 16.695602] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.695625] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 16.695650] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.695675] ? __kthread_parkme+0x82/0x160 [ 16.695698] ? preempt_count_sub+0x50/0x80 [ 16.695723] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.695747] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.695774] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.695802] kthread+0x324/0x6e0 [ 16.695823] ? trace_preempt_on+0x20/0xc0 [ 16.695847] ? __pfx_kthread+0x10/0x10 [ 16.695870] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.695893] ? calculate_sigpending+0x7b/0xa0 [ 16.695916] ? __pfx_kthread+0x10/0x10 [ 16.695940] ret_from_fork+0x41/0x80 [ 16.695959] ? __pfx_kthread+0x10/0x10 [ 16.695983] ret_from_fork_asm+0x1a/0x30 [ 16.696023] </TASK> [ 16.696035] [ 16.704732] Allocated by task 289: [ 16.704934] kasan_save_stack+0x45/0x70 [ 16.705150] kasan_save_track+0x18/0x40 [ 16.705397] kasan_save_alloc_info+0x3b/0x50 [ 16.705682] __kasan_kmalloc+0xb7/0xc0 [ 16.705917] __kmalloc_cache_noprof+0x18a/0x420 [ 16.706167] copy_to_kernel_nofault_oob+0x130/0x560 [ 16.706385] kunit_try_run_case+0x1a6/0x480 [ 16.706725] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.707115] kthread+0x324/0x6e0 [ 16.707288] ret_from_fork+0x41/0x80 [ 16.707468] ret_from_fork_asm+0x1a/0x30 [ 16.707781] [ 16.707878] The buggy address belongs to the object at ffff888101bf6200 [ 16.707878] which belongs to the cache kmalloc-128 of size 128 [ 16.708322] The buggy address is located 0 bytes to the right of [ 16.708322] allocated 120-byte region [ffff888101bf6200, ffff888101bf6278) [ 16.708781] [ 16.708889] The buggy address belongs to the physical page: [ 16.709163] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bf6 [ 16.709617] flags: 0x200000000000000(node=0|zone=2) [ 16.709789] page_type: f5(slab) [ 16.709914] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.710269] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.710683] page dumped because: kasan: bad access detected [ 16.710858] [ 16.711101] Memory state around the buggy address: [ 16.711350] ffff888101bf6100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.711927] ffff888101bf6180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.712256] >ffff888101bf6200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.712490] ^ [ 16.712913] ffff888101bf6280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.713336] ffff888101bf6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.713555] ================================================================== [ 16.668136] ================================================================== [ 16.668874] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 16.669843] Read of size 8 at addr ffff888101bf6278 by task kunit_try_catch/289 [ 16.670472] [ 16.670595] CPU: 1 UID: 0 PID: 289 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 16.670662] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.670676] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.670698] Call Trace: [ 16.670712] <TASK> [ 16.670730] dump_stack_lvl+0x73/0xb0 [ 16.670760] print_report+0xd1/0x650 [ 16.670784] ? __virt_addr_valid+0x1db/0x2d0 [ 16.670809] ? copy_to_kernel_nofault+0x225/0x260 [ 16.670834] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.670860] ? copy_to_kernel_nofault+0x225/0x260 [ 16.670885] kasan_report+0x140/0x180 [ 16.670909] ? copy_to_kernel_nofault+0x225/0x260 [ 16.670938] __asan_report_load8_noabort+0x18/0x20 [ 16.670962] copy_to_kernel_nofault+0x225/0x260 [ 16.670988] copy_to_kernel_nofault_oob+0x1ee/0x560 [ 16.671023] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.671047] ? finish_task_switch.isra.0+0x153/0x700 [ 16.671073] ? __schedule+0xce8/0x2840 [ 16.671097] ? trace_hardirqs_on+0x37/0xe0 [ 16.671129] ? __pfx_read_tsc+0x10/0x10 [ 16.671152] ? ktime_get_ts64+0x86/0x230 [ 16.671179] kunit_try_run_case+0x1a6/0x480 [ 16.671203] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.671226] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 16.671251] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.671275] ? __kthread_parkme+0x82/0x160 [ 16.671299] ? preempt_count_sub+0x50/0x80 [ 16.671324] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.671349] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.671377] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.671405] kthread+0x324/0x6e0 [ 16.671427] ? trace_preempt_on+0x20/0xc0 [ 16.671451] ? __pfx_kthread+0x10/0x10 [ 16.671474] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.671497] ? calculate_sigpending+0x7b/0xa0 [ 16.671520] ? __pfx_kthread+0x10/0x10 [ 16.671551] ret_from_fork+0x41/0x80 [ 16.671571] ? __pfx_kthread+0x10/0x10 [ 16.671595] ret_from_fork_asm+0x1a/0x30 [ 16.671628] </TASK> [ 16.671641] [ 16.682317] Allocated by task 289: [ 16.682648] kasan_save_stack+0x45/0x70 [ 16.682847] kasan_save_track+0x18/0x40 [ 16.683103] kasan_save_alloc_info+0x3b/0x50 [ 16.683372] __kasan_kmalloc+0xb7/0xc0 [ 16.683573] __kmalloc_cache_noprof+0x18a/0x420 [ 16.683976] copy_to_kernel_nofault_oob+0x130/0x560 [ 16.684222] kunit_try_run_case+0x1a6/0x480 [ 16.684455] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.684754] kthread+0x324/0x6e0 [ 16.684986] ret_from_fork+0x41/0x80 [ 16.685162] ret_from_fork_asm+0x1a/0x30 [ 16.685305] [ 16.685432] The buggy address belongs to the object at ffff888101bf6200 [ 16.685432] which belongs to the cache kmalloc-128 of size 128 [ 16.686149] The buggy address is located 0 bytes to the right of [ 16.686149] allocated 120-byte region [ffff888101bf6200, ffff888101bf6278) [ 16.686604] [ 16.686707] The buggy address belongs to the physical page: [ 16.687053] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bf6 [ 16.687450] flags: 0x200000000000000(node=0|zone=2) [ 16.687926] page_type: f5(slab) [ 16.688083] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.688317] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.688726] page dumped because: kasan: bad access detected [ 16.688961] [ 16.689047] Memory state around the buggy address: [ 16.689267] ffff888101bf6100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.689582] ffff888101bf6180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.689805] >ffff888101bf6200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.690028] ^ [ 16.690362] ffff888101bf6280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.690959] ffff888101bf6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.691311] ==================================================================