Date
July 18, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.529935] ================================================================== [ 18.529999] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 18.530062] Read of size 8 at addr fff00000c771e178 by task kunit_try_catch/281 [ 18.530116] [ 18.530289] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.530726] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.530781] Hardware name: linux,dummy-virt (DT) [ 18.530969] Call trace: [ 18.531016] show_stack+0x20/0x38 (C) [ 18.531180] dump_stack_lvl+0x8c/0xd0 [ 18.531263] print_report+0x118/0x5d0 [ 18.531369] kasan_report+0xdc/0x128 [ 18.531425] __asan_report_load8_noabort+0x20/0x30 [ 18.531478] copy_to_kernel_nofault+0x204/0x250 [ 18.531806] copy_to_kernel_nofault_oob+0x158/0x418 [ 18.531884] kunit_try_run_case+0x170/0x3f0 [ 18.532265] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.532359] kthread+0x328/0x630 [ 18.532451] ret_from_fork+0x10/0x20 [ 18.532506] [ 18.532554] Allocated by task 281: [ 18.532592] kasan_save_stack+0x3c/0x68 [ 18.532683] kasan_save_track+0x20/0x40 [ 18.532723] kasan_save_alloc_info+0x40/0x58 [ 18.533040] __kasan_kmalloc+0xd4/0xd8 [ 18.533113] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.533180] copy_to_kernel_nofault_oob+0xc8/0x418 [ 18.533226] kunit_try_run_case+0x170/0x3f0 [ 18.533431] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.533608] kthread+0x328/0x630 [ 18.533726] ret_from_fork+0x10/0x20 [ 18.533781] [ 18.533979] The buggy address belongs to the object at fff00000c771e100 [ 18.533979] which belongs to the cache kmalloc-128 of size 128 [ 18.534148] The buggy address is located 0 bytes to the right of [ 18.534148] allocated 120-byte region [fff00000c771e100, fff00000c771e178) [ 18.534526] [ 18.534566] The buggy address belongs to the physical page: [ 18.534619] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10771e [ 18.534746] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.534841] page_type: f5(slab) [ 18.534974] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.535080] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.535479] page dumped because: kasan: bad access detected [ 18.535614] [ 18.535693] Memory state around the buggy address: [ 18.535758] fff00000c771e000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.536156] fff00000c771e080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.536215] >fff00000c771e100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.536314] ^ [ 18.536495] fff00000c771e180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.536601] fff00000c771e200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.536813] ================================================================== [ 18.538532] ================================================================== [ 18.538586] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 18.538640] Write of size 8 at addr fff00000c771e178 by task kunit_try_catch/281 [ 18.538918] [ 18.539057] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.539147] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.539306] Hardware name: linux,dummy-virt (DT) [ 18.539382] Call trace: [ 18.539407] show_stack+0x20/0x38 (C) [ 18.539504] dump_stack_lvl+0x8c/0xd0 [ 18.539553] print_report+0x118/0x5d0 [ 18.539602] kasan_report+0xdc/0x128 [ 18.539650] kasan_check_range+0x100/0x1a8 [ 18.539701] __kasan_check_write+0x20/0x30 [ 18.539757] copy_to_kernel_nofault+0x8c/0x250 [ 18.539809] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 18.539859] kunit_try_run_case+0x170/0x3f0 [ 18.539908] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.539964] kthread+0x328/0x630 [ 18.540009] ret_from_fork+0x10/0x20 [ 18.540057] [ 18.540077] Allocated by task 281: [ 18.540119] kasan_save_stack+0x3c/0x68 [ 18.540167] kasan_save_track+0x20/0x40 [ 18.540217] kasan_save_alloc_info+0x40/0x58 [ 18.540261] __kasan_kmalloc+0xd4/0xd8 [ 18.540314] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.540537] copy_to_kernel_nofault_oob+0xc8/0x418 [ 18.540582] kunit_try_run_case+0x170/0x3f0 [ 18.540826] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.540894] kthread+0x328/0x630 [ 18.541353] ret_from_fork+0x10/0x20 [ 18.541442] [ 18.541719] The buggy address belongs to the object at fff00000c771e100 [ 18.541719] which belongs to the cache kmalloc-128 of size 128 [ 18.541889] The buggy address is located 0 bytes to the right of [ 18.541889] allocated 120-byte region [fff00000c771e100, fff00000c771e178) [ 18.542054] [ 18.542144] The buggy address belongs to the physical page: [ 18.542321] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10771e [ 18.542394] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.542444] page_type: f5(slab) [ 18.542526] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.542775] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.542854] page dumped because: kasan: bad access detected [ 18.543089] [ 18.543139] Memory state around the buggy address: [ 18.543308] fff00000c771e000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.543475] fff00000c771e080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.543557] >fff00000c771e100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.543681] ^ [ 18.543755] fff00000c771e180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.543803] fff00000c771e200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.543982] ==================================================================
[ 16.195412] ================================================================== [ 16.196670] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 16.197849] Read of size 8 at addr ffff8881039ee378 by task kunit_try_catch/300 [ 16.198621] [ 16.198837] CPU: 1 UID: 0 PID: 300 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.198892] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.198907] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.198930] Call Trace: [ 16.198944] <TASK> [ 16.198961] dump_stack_lvl+0x73/0xb0 [ 16.199153] print_report+0xd1/0x610 [ 16.199195] ? __virt_addr_valid+0x1db/0x2d0 [ 16.199236] ? copy_to_kernel_nofault+0x225/0x260 [ 16.199293] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.199319] ? copy_to_kernel_nofault+0x225/0x260 [ 16.199356] kasan_report+0x141/0x180 [ 16.199379] ? copy_to_kernel_nofault+0x225/0x260 [ 16.199409] __asan_report_load8_noabort+0x18/0x20 [ 16.199434] copy_to_kernel_nofault+0x225/0x260 [ 16.199462] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 16.199506] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.199531] ? finish_task_switch.isra.0+0x153/0x700 [ 16.199557] ? __schedule+0x10cc/0x2b60 [ 16.199580] ? trace_hardirqs_on+0x37/0xe0 [ 16.199611] ? __pfx_read_tsc+0x10/0x10 [ 16.199634] ? ktime_get_ts64+0x86/0x230 [ 16.199661] kunit_try_run_case+0x1a5/0x480 [ 16.199688] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.199711] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.199736] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.199760] ? __kthread_parkme+0x82/0x180 [ 16.199782] ? preempt_count_sub+0x50/0x80 [ 16.199806] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.199831] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.199855] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.199880] kthread+0x337/0x6f0 [ 16.199901] ? trace_preempt_on+0x20/0xc0 [ 16.199924] ? __pfx_kthread+0x10/0x10 [ 16.199944] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.199967] ? calculate_sigpending+0x7b/0xa0 [ 16.199992] ? __pfx_kthread+0x10/0x10 [ 16.200035] ret_from_fork+0x116/0x1d0 [ 16.200055] ? __pfx_kthread+0x10/0x10 [ 16.200076] ret_from_fork_asm+0x1a/0x30 [ 16.200108] </TASK> [ 16.200120] [ 16.216192] Allocated by task 300: [ 16.216467] kasan_save_stack+0x45/0x70 [ 16.216798] kasan_save_track+0x18/0x40 [ 16.216948] kasan_save_alloc_info+0x3b/0x50 [ 16.217114] __kasan_kmalloc+0xb7/0xc0 [ 16.217248] __kmalloc_cache_noprof+0x189/0x420 [ 16.217556] copy_to_kernel_nofault_oob+0x12f/0x560 [ 16.217799] kunit_try_run_case+0x1a5/0x480 [ 16.218111] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.218385] kthread+0x337/0x6f0 [ 16.218537] ret_from_fork+0x116/0x1d0 [ 16.218722] ret_from_fork_asm+0x1a/0x30 [ 16.218966] [ 16.219081] The buggy address belongs to the object at ffff8881039ee300 [ 16.219081] which belongs to the cache kmalloc-128 of size 128 [ 16.219648] The buggy address is located 0 bytes to the right of [ 16.219648] allocated 120-byte region [ffff8881039ee300, ffff8881039ee378) [ 16.220916] [ 16.221045] The buggy address belongs to the physical page: [ 16.221284] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039ee [ 16.221633] flags: 0x200000000000000(node=0|zone=2) [ 16.222058] page_type: f5(slab) [ 16.222230] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.222546] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.222855] page dumped because: kasan: bad access detected [ 16.223252] [ 16.223361] Memory state around the buggy address: [ 16.223566] ffff8881039ee200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.223932] ffff8881039ee280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.224350] >ffff8881039ee300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.224749] ^ [ 16.225117] ffff8881039ee380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.225451] ffff8881039ee400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.225801] ================================================================== [ 16.226484] ================================================================== [ 16.226823] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 16.227233] Write of size 8 at addr ffff8881039ee378 by task kunit_try_catch/300 [ 16.227729] [ 16.227843] CPU: 1 UID: 0 PID: 300 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.227887] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.227900] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.227922] Call Trace: [ 16.227934] <TASK> [ 16.227950] dump_stack_lvl+0x73/0xb0 [ 16.227979] print_report+0xd1/0x610 [ 16.228000] ? __virt_addr_valid+0x1db/0x2d0 [ 16.228023] ? copy_to_kernel_nofault+0x99/0x260 [ 16.228047] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.228071] ? copy_to_kernel_nofault+0x99/0x260 [ 16.228096] kasan_report+0x141/0x180 [ 16.228119] ? copy_to_kernel_nofault+0x99/0x260 [ 16.228148] kasan_check_range+0x10c/0x1c0 [ 16.228172] __kasan_check_write+0x18/0x20 [ 16.228193] copy_to_kernel_nofault+0x99/0x260 [ 16.228218] copy_to_kernel_nofault_oob+0x288/0x560 [ 16.228243] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.228289] ? finish_task_switch.isra.0+0x153/0x700 [ 16.228330] ? __schedule+0x10cc/0x2b60 [ 16.228353] ? trace_hardirqs_on+0x37/0xe0 [ 16.228395] ? __pfx_read_tsc+0x10/0x10 [ 16.228417] ? ktime_get_ts64+0x86/0x230 [ 16.228442] kunit_try_run_case+0x1a5/0x480 [ 16.228466] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.228506] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.228531] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.228555] ? __kthread_parkme+0x82/0x180 [ 16.228575] ? preempt_count_sub+0x50/0x80 [ 16.228599] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.228623] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.228648] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.228673] kthread+0x337/0x6f0 [ 16.228693] ? trace_preempt_on+0x20/0xc0 [ 16.228714] ? __pfx_kthread+0x10/0x10 [ 16.228735] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.228757] ? calculate_sigpending+0x7b/0xa0 [ 16.228783] ? __pfx_kthread+0x10/0x10 [ 16.228805] ret_from_fork+0x116/0x1d0 [ 16.228838] ? __pfx_kthread+0x10/0x10 [ 16.228859] ret_from_fork_asm+0x1a/0x30 [ 16.228890] </TASK> [ 16.228900] [ 16.237187] Allocated by task 300: [ 16.237460] kasan_save_stack+0x45/0x70 [ 16.237627] kasan_save_track+0x18/0x40 [ 16.237765] kasan_save_alloc_info+0x3b/0x50 [ 16.237916] __kasan_kmalloc+0xb7/0xc0 [ 16.238145] __kmalloc_cache_noprof+0x189/0x420 [ 16.238378] copy_to_kernel_nofault_oob+0x12f/0x560 [ 16.238666] kunit_try_run_case+0x1a5/0x480 [ 16.239075] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.239284] kthread+0x337/0x6f0 [ 16.239542] ret_from_fork+0x116/0x1d0 [ 16.239709] ret_from_fork_asm+0x1a/0x30 [ 16.239851] [ 16.239948] The buggy address belongs to the object at ffff8881039ee300 [ 16.239948] which belongs to the cache kmalloc-128 of size 128 [ 16.240714] The buggy address is located 0 bytes to the right of [ 16.240714] allocated 120-byte region [ffff8881039ee300, ffff8881039ee378) [ 16.241278] [ 16.241425] The buggy address belongs to the physical page: [ 16.241688] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039ee [ 16.242083] flags: 0x200000000000000(node=0|zone=2) [ 16.242269] page_type: f5(slab) [ 16.242408] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.242650] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.242881] page dumped because: kasan: bad access detected [ 16.243053] [ 16.243241] Memory state around the buggy address: [ 16.243499] ffff8881039ee200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.243817] ffff8881039ee280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.244337] >ffff8881039ee300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.244668] ^ [ 16.244925] ffff8881039ee380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.245329] ffff8881039ee400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.245760] ==================================================================