Date
July 10, 2025, 6:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.916668] ================================================================== [ 19.916775] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 19.916949] Read of size 8 at addr fff00000c5a57b78 by task kunit_try_catch/281 [ 19.917011] [ 19.917090] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.917178] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.917209] Hardware name: linux,dummy-virt (DT) [ 19.917508] Call trace: [ 19.917555] show_stack+0x20/0x38 (C) [ 19.917615] dump_stack_lvl+0x8c/0xd0 [ 19.917668] print_report+0x118/0x608 [ 19.917720] kasan_report+0xdc/0x128 [ 19.917797] __asan_report_load8_noabort+0x20/0x30 [ 19.917852] copy_to_kernel_nofault+0x204/0x250 [ 19.918165] copy_to_kernel_nofault_oob+0x158/0x418 [ 19.918305] kunit_try_run_case+0x170/0x3f0 [ 19.918531] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.918606] kthread+0x328/0x630 [ 19.918697] ret_from_fork+0x10/0x20 [ 19.918747] [ 19.918768] Allocated by task 281: [ 19.918800] kasan_save_stack+0x3c/0x68 [ 19.918843] kasan_save_track+0x20/0x40 [ 19.918892] kasan_save_alloc_info+0x40/0x58 [ 19.919098] __kasan_kmalloc+0xd4/0xd8 [ 19.919223] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.919300] copy_to_kernel_nofault_oob+0xc8/0x418 [ 19.919378] kunit_try_run_case+0x170/0x3f0 [ 19.919470] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.919529] kthread+0x328/0x630 [ 19.919573] ret_from_fork+0x10/0x20 [ 19.919629] [ 19.919651] The buggy address belongs to the object at fff00000c5a57b00 [ 19.919651] which belongs to the cache kmalloc-128 of size 128 [ 19.919850] The buggy address is located 0 bytes to the right of [ 19.919850] allocated 120-byte region [fff00000c5a57b00, fff00000c5a57b78) [ 19.919982] [ 19.920032] The buggy address belongs to the physical page: [ 19.920077] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a57 [ 19.920164] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.920217] page_type: f5(slab) [ 19.920290] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.920616] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.920691] page dumped because: kasan: bad access detected [ 19.920775] [ 19.920835] Memory state around the buggy address: [ 19.920915] fff00000c5a57a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.920962] fff00000c5a57a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.921014] >fff00000c5a57b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.921310] ^ [ 19.921388] fff00000c5a57b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.921443] fff00000c5a57c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.921541] ================================================================== [ 19.922994] ================================================================== [ 19.923045] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 19.923278] Write of size 8 at addr fff00000c5a57b78 by task kunit_try_catch/281 [ 19.923354] [ 19.923388] CPU: 0 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.923476] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.923524] Hardware name: linux,dummy-virt (DT) [ 19.923558] Call trace: [ 19.923588] show_stack+0x20/0x38 (C) [ 19.923650] dump_stack_lvl+0x8c/0xd0 [ 19.923702] print_report+0x118/0x608 [ 19.923770] kasan_report+0xdc/0x128 [ 19.923818] kasan_check_range+0x100/0x1a8 [ 19.923913] __kasan_check_write+0x20/0x30 [ 19.924056] copy_to_kernel_nofault+0x8c/0x250 [ 19.924117] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 19.924211] kunit_try_run_case+0x170/0x3f0 [ 19.924265] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.924321] kthread+0x328/0x630 [ 19.924376] ret_from_fork+0x10/0x20 [ 19.924555] [ 19.924614] Allocated by task 281: [ 19.924652] kasan_save_stack+0x3c/0x68 [ 19.924707] kasan_save_track+0x20/0x40 [ 19.924749] kasan_save_alloc_info+0x40/0x58 [ 19.924809] __kasan_kmalloc+0xd4/0xd8 [ 19.924852] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.924919] copy_to_kernel_nofault_oob+0xc8/0x418 [ 19.925033] kunit_try_run_case+0x170/0x3f0 [ 19.925080] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.925126] kthread+0x328/0x630 [ 19.925160] ret_from_fork+0x10/0x20 [ 19.925198] [ 19.925298] The buggy address belongs to the object at fff00000c5a57b00 [ 19.925298] which belongs to the cache kmalloc-128 of size 128 [ 19.925396] The buggy address is located 0 bytes to the right of [ 19.925396] allocated 120-byte region [fff00000c5a57b00, fff00000c5a57b78) [ 19.925480] [ 19.925505] The buggy address belongs to the physical page: [ 19.925537] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a57 [ 19.925599] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.925664] page_type: f5(slab) [ 19.925705] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.925765] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.925809] page dumped because: kasan: bad access detected [ 19.925840] [ 19.925859] Memory state around the buggy address: [ 19.925892] fff00000c5a57a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.926117] fff00000c5a57a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.926180] >fff00000c5a57b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.926239] ^ [ 19.926379] fff00000c5a57b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.926448] fff00000c5a57c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.926661] ==================================================================
[ 16.449514] ================================================================== [ 16.450189] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 16.450512] Write of size 8 at addr ffff888102791e78 by task kunit_try_catch/298 [ 16.451005] [ 16.451115] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 16.451160] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.451173] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.451403] Call Trace: [ 16.451420] <TASK> [ 16.451435] dump_stack_lvl+0x73/0xb0 [ 16.451466] print_report+0xd1/0x650 [ 16.451491] ? __virt_addr_valid+0x1db/0x2d0 [ 16.451516] ? copy_to_kernel_nofault+0x99/0x260 [ 16.451541] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.451565] ? copy_to_kernel_nofault+0x99/0x260 [ 16.451590] kasan_report+0x141/0x180 [ 16.451613] ? copy_to_kernel_nofault+0x99/0x260 [ 16.451643] kasan_check_range+0x10c/0x1c0 [ 16.451669] __kasan_check_write+0x18/0x20 [ 16.451690] copy_to_kernel_nofault+0x99/0x260 [ 16.451716] copy_to_kernel_nofault_oob+0x288/0x560 [ 16.451743] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.451768] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 16.451796] ? trace_hardirqs_on+0x37/0xe0 [ 16.451890] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.451920] kunit_try_run_case+0x1a5/0x480 [ 16.451962] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.451987] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.452012] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.452049] ? __kthread_parkme+0x82/0x180 [ 16.452071] ? preempt_count_sub+0x50/0x80 [ 16.452096] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.452121] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.452147] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.452174] kthread+0x337/0x6f0 [ 16.452194] ? trace_preempt_on+0x20/0xc0 [ 16.452217] ? __pfx_kthread+0x10/0x10 [ 16.452239] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.452262] ? calculate_sigpending+0x7b/0xa0 [ 16.452287] ? __pfx_kthread+0x10/0x10 [ 16.452309] ret_from_fork+0x116/0x1d0 [ 16.452329] ? __pfx_kthread+0x10/0x10 [ 16.452350] ret_from_fork_asm+0x1a/0x30 [ 16.452381] </TASK> [ 16.452393] [ 16.463121] Allocated by task 298: [ 16.463283] kasan_save_stack+0x45/0x70 [ 16.463478] kasan_save_track+0x18/0x40 [ 16.463666] kasan_save_alloc_info+0x3b/0x50 [ 16.463870] __kasan_kmalloc+0xb7/0xc0 [ 16.464451] __kmalloc_cache_noprof+0x189/0x420 [ 16.464659] copy_to_kernel_nofault_oob+0x12f/0x560 [ 16.465235] kunit_try_run_case+0x1a5/0x480 [ 16.465452] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.465676] kthread+0x337/0x6f0 [ 16.466043] ret_from_fork+0x116/0x1d0 [ 16.466218] ret_from_fork_asm+0x1a/0x30 [ 16.466543] [ 16.466624] The buggy address belongs to the object at ffff888102791e00 [ 16.466624] which belongs to the cache kmalloc-128 of size 128 [ 16.467419] The buggy address is located 0 bytes to the right of [ 16.467419] allocated 120-byte region [ffff888102791e00, ffff888102791e78) [ 16.468152] [ 16.468398] The buggy address belongs to the physical page: [ 16.468599] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102791 [ 16.469162] flags: 0x200000000000000(node=0|zone=2) [ 16.469400] page_type: f5(slab) [ 16.469555] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.470262] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.470571] page dumped because: kasan: bad access detected [ 16.471009] [ 16.471120] Memory state around the buggy address: [ 16.471340] ffff888102791d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.471748] ffff888102791d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.472145] >ffff888102791e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.472448] ^ [ 16.472746] ffff888102791e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.473344] ffff888102791f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.473607] ================================================================== [ 16.424123] ================================================================== [ 16.424753] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 16.425268] Read of size 8 at addr ffff888102791e78 by task kunit_try_catch/298 [ 16.425557] [ 16.425670] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 16.425718] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.425731] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.425753] Call Trace: [ 16.425767] <TASK> [ 16.425784] dump_stack_lvl+0x73/0xb0 [ 16.425818] print_report+0xd1/0x650 [ 16.425843] ? __virt_addr_valid+0x1db/0x2d0 [ 16.425868] ? copy_to_kernel_nofault+0x225/0x260 [ 16.425893] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.425918] ? copy_to_kernel_nofault+0x225/0x260 [ 16.426196] kasan_report+0x141/0x180 [ 16.426225] ? copy_to_kernel_nofault+0x225/0x260 [ 16.426255] __asan_report_load8_noabort+0x18/0x20 [ 16.426282] copy_to_kernel_nofault+0x225/0x260 [ 16.426309] copy_to_kernel_nofault_oob+0x1ed/0x560 [ 16.426335] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.426360] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 16.426481] ? trace_hardirqs_on+0x37/0xe0 [ 16.426517] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 16.426549] kunit_try_run_case+0x1a5/0x480 [ 16.426576] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.426600] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.426626] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.426652] ? __kthread_parkme+0x82/0x180 [ 16.426675] ? preempt_count_sub+0x50/0x80 [ 16.426702] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.426728] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.426753] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.426780] kthread+0x337/0x6f0 [ 16.426800] ? trace_preempt_on+0x20/0xc0 [ 16.426847] ? __pfx_kthread+0x10/0x10 [ 16.426870] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.426893] ? calculate_sigpending+0x7b/0xa0 [ 16.426919] ? __pfx_kthread+0x10/0x10 [ 16.426961] ret_from_fork+0x116/0x1d0 [ 16.426982] ? __pfx_kthread+0x10/0x10 [ 16.427004] ret_from_fork_asm+0x1a/0x30 [ 16.427046] </TASK> [ 16.427057] [ 16.436910] Allocated by task 298: [ 16.437106] kasan_save_stack+0x45/0x70 [ 16.437731] kasan_save_track+0x18/0x40 [ 16.438000] kasan_save_alloc_info+0x3b/0x50 [ 16.438251] __kasan_kmalloc+0xb7/0xc0 [ 16.438552] __kmalloc_cache_noprof+0x189/0x420 [ 16.438771] copy_to_kernel_nofault_oob+0x12f/0x560 [ 16.439130] kunit_try_run_case+0x1a5/0x480 [ 16.439488] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.439794] kthread+0x337/0x6f0 [ 16.440118] ret_from_fork+0x116/0x1d0 [ 16.440296] ret_from_fork_asm+0x1a/0x30 [ 16.440497] [ 16.440587] The buggy address belongs to the object at ffff888102791e00 [ 16.440587] which belongs to the cache kmalloc-128 of size 128 [ 16.441568] The buggy address is located 0 bytes to the right of [ 16.441568] allocated 120-byte region [ffff888102791e00, ffff888102791e78) [ 16.442240] [ 16.442348] The buggy address belongs to the physical page: [ 16.442805] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102791 [ 16.443377] flags: 0x200000000000000(node=0|zone=2) [ 16.443609] page_type: f5(slab) [ 16.443906] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.444275] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.444837] page dumped because: kasan: bad access detected [ 16.445197] [ 16.445293] Memory state around the buggy address: [ 16.445510] ffff888102791d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.446246] ffff888102791d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.446546] >ffff888102791e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.446987] ^ [ 16.447300] ffff888102791e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.447603] ffff888102791f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.447897] ==================================================================