Date
July 5, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.159812] ================================================================== [ 23.159937] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 23.160062] Write of size 121 at addr fff00000c56e5100 by task kunit_try_catch/286 [ 23.160181] [ 23.160252] CPU: 1 UID: 0 PID: 286 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 23.161151] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.161255] Hardware name: linux,dummy-virt (DT) [ 23.161335] Call trace: [ 23.161408] show_stack+0x20/0x38 (C) [ 23.161529] dump_stack_lvl+0x8c/0xd0 [ 23.161645] print_report+0x118/0x608 [ 23.161752] kasan_report+0xdc/0x128 [ 23.161860] kasan_check_range+0x100/0x1a8 [ 23.161974] __kasan_check_write+0x20/0x30 [ 23.162539] strncpy_from_user+0x3c/0x2a0 [ 23.162766] copy_user_test_oob+0x5c0/0xec8 [ 23.162906] kunit_try_run_case+0x170/0x3f0 [ 23.163016] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.163224] kthread+0x328/0x630 [ 23.163794] ret_from_fork+0x10/0x20 [ 23.164076] [ 23.164132] Allocated by task 286: [ 23.164196] kasan_save_stack+0x3c/0x68 [ 23.164292] kasan_save_track+0x20/0x40 [ 23.164401] kasan_save_alloc_info+0x40/0x58 [ 23.164501] __kasan_kmalloc+0xd4/0xd8 [ 23.164587] __kmalloc_noprof+0x198/0x4c8 [ 23.164678] kunit_kmalloc_array+0x34/0x88 [ 23.165583] copy_user_test_oob+0xac/0xec8 [ 23.166137] kunit_try_run_case+0x170/0x3f0 [ 23.166286] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.166460] kthread+0x328/0x630 [ 23.166560] ret_from_fork+0x10/0x20 [ 23.166684] [ 23.166761] The buggy address belongs to the object at fff00000c56e5100 [ 23.166761] which belongs to the cache kmalloc-128 of size 128 [ 23.166952] The buggy address is located 0 bytes inside of [ 23.166952] allocated 120-byte region [fff00000c56e5100, fff00000c56e5178) [ 23.167103] [ 23.167154] The buggy address belongs to the physical page: [ 23.167224] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1056e5 [ 23.167334] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.167440] page_type: f5(slab) [ 23.167522] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 23.167664] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.167753] page dumped because: kasan: bad access detected [ 23.167828] [ 23.167870] Memory state around the buggy address: [ 23.167951] fff00000c56e5000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.168408] fff00000c56e5080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.168802] >fff00000c56e5100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.169170] ^ [ 23.169289] fff00000c56e5180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.169771] fff00000c56e5200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.169951] ================================================================== [ 23.171784] ================================================================== [ 23.171916] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 23.172474] Write of size 1 at addr fff00000c56e5178 by task kunit_try_catch/286 [ 23.172759] [ 23.172915] CPU: 1 UID: 0 PID: 286 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 23.173455] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.173678] Hardware name: linux,dummy-virt (DT) [ 23.173798] Call trace: [ 23.173882] show_stack+0x20/0x38 (C) [ 23.174386] dump_stack_lvl+0x8c/0xd0 [ 23.174742] print_report+0x118/0x608 [ 23.175213] kasan_report+0xdc/0x128 [ 23.175528] __asan_report_store1_noabort+0x20/0x30 [ 23.175659] strncpy_from_user+0x270/0x2a0 [ 23.175785] copy_user_test_oob+0x5c0/0xec8 [ 23.175899] kunit_try_run_case+0x170/0x3f0 [ 23.176008] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.176134] kthread+0x328/0x630 [ 23.176238] ret_from_fork+0x10/0x20 [ 23.176631] [ 23.176987] Allocated by task 286: [ 23.177486] kasan_save_stack+0x3c/0x68 [ 23.177721] kasan_save_track+0x20/0x40 [ 23.177990] kasan_save_alloc_info+0x40/0x58 [ 23.178148] __kasan_kmalloc+0xd4/0xd8 [ 23.178259] __kmalloc_noprof+0x198/0x4c8 [ 23.178562] kunit_kmalloc_array+0x34/0x88 [ 23.178648] copy_user_test_oob+0xac/0xec8 [ 23.178726] kunit_try_run_case+0x170/0x3f0 [ 23.179108] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.179621] kthread+0x328/0x630 [ 23.179996] ret_from_fork+0x10/0x20 [ 23.180329] [ 23.180428] The buggy address belongs to the object at fff00000c56e5100 [ 23.180428] which belongs to the cache kmalloc-128 of size 128 [ 23.180571] The buggy address is located 0 bytes to the right of [ 23.180571] allocated 120-byte region [fff00000c56e5100, fff00000c56e5178) [ 23.180721] [ 23.181339] The buggy address belongs to the physical page: [ 23.181457] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1056e5 [ 23.181599] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.181901] page_type: f5(slab) [ 23.182252] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 23.183031] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.183227] page dumped because: kasan: bad access detected [ 23.183312] [ 23.183383] Memory state around the buggy address: [ 23.183469] fff00000c56e5000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.183582] fff00000c56e5080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.183816] >fff00000c56e5100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.183950] ^ [ 23.184457] fff00000c56e5180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.184571] fff00000c56e5200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.184672] ==================================================================
[ 18.537483] ================================================================== [ 18.537830] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 18.538249] Write of size 121 at addr ffff888103332c00 by task kunit_try_catch/303 [ 18.538642] [ 18.538807] CPU: 1 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 18.538865] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.538904] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.538933] Call Trace: [ 18.538974] <TASK> [ 18.539001] dump_stack_lvl+0x73/0xb0 [ 18.539055] print_report+0xd1/0x650 [ 18.539102] ? __virt_addr_valid+0x1db/0x2d0 [ 18.539147] ? strncpy_from_user+0x2e/0x1d0 [ 18.539176] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.539205] ? strncpy_from_user+0x2e/0x1d0 [ 18.539233] kasan_report+0x141/0x180 [ 18.539262] ? strncpy_from_user+0x2e/0x1d0 [ 18.539297] kasan_check_range+0x10c/0x1c0 [ 18.539327] __kasan_check_write+0x18/0x20 [ 18.539352] strncpy_from_user+0x2e/0x1d0 [ 18.539380] ? __kasan_check_read+0x15/0x20 [ 18.539408] copy_user_test_oob+0x760/0x10f0 [ 18.539441] ? __pfx_copy_user_test_oob+0x10/0x10 [ 18.539469] ? finish_task_switch.isra.0+0x153/0x700 [ 18.539498] ? __switch_to+0x47/0xf50 [ 18.539530] ? __schedule+0x10cc/0x2b60 [ 18.539559] ? __pfx_read_tsc+0x10/0x10 [ 18.539585] ? ktime_get_ts64+0x86/0x230 [ 18.539615] kunit_try_run_case+0x1a5/0x480 [ 18.539662] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.539691] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.539720] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.539750] ? __kthread_parkme+0x82/0x180 [ 18.539792] ? preempt_count_sub+0x50/0x80 [ 18.539822] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.539851] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.539880] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.539909] kthread+0x337/0x6f0 [ 18.539934] ? trace_preempt_on+0x20/0xc0 [ 18.539965] ? __pfx_kthread+0x10/0x10 [ 18.539991] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.540017] ? calculate_sigpending+0x7b/0xa0 [ 18.540047] ? __pfx_kthread+0x10/0x10 [ 18.540075] ret_from_fork+0x116/0x1d0 [ 18.540098] ? __pfx_kthread+0x10/0x10 [ 18.540123] ret_from_fork_asm+0x1a/0x30 [ 18.540161] </TASK> [ 18.540176] [ 18.549742] Allocated by task 303: [ 18.549994] kasan_save_stack+0x45/0x70 [ 18.550299] kasan_save_track+0x18/0x40 [ 18.550573] kasan_save_alloc_info+0x3b/0x50 [ 18.551172] __kasan_kmalloc+0xb7/0xc0 [ 18.551813] __kmalloc_noprof+0x1c9/0x500 [ 18.552701] kunit_kmalloc_array+0x25/0x60 [ 18.553016] copy_user_test_oob+0xab/0x10f0 [ 18.553264] kunit_try_run_case+0x1a5/0x480 [ 18.553493] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.553795] kthread+0x337/0x6f0 [ 18.554447] ret_from_fork+0x116/0x1d0 [ 18.554635] ret_from_fork_asm+0x1a/0x30 [ 18.555163] [ 18.555283] The buggy address belongs to the object at ffff888103332c00 [ 18.555283] which belongs to the cache kmalloc-128 of size 128 [ 18.556221] The buggy address is located 0 bytes inside of [ 18.556221] allocated 120-byte region [ffff888103332c00, ffff888103332c78) [ 18.556997] [ 18.557145] The buggy address belongs to the physical page: [ 18.557570] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103332 [ 18.558067] flags: 0x200000000000000(node=0|zone=2) [ 18.558344] page_type: f5(slab) [ 18.558580] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 18.558963] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.559364] page dumped because: kasan: bad access detected [ 18.559697] [ 18.559813] Memory state around the buggy address: [ 18.560029] ffff888103332b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.560387] ffff888103332b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.560756] >ffff888103332c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.561177] ^ [ 18.561624] ffff888103332c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.562129] ffff888103332d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.562507] ================================================================== [ 18.563814] ================================================================== [ 18.564230] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 18.564599] Write of size 1 at addr ffff888103332c78 by task kunit_try_catch/303 [ 18.565487] [ 18.565668] CPU: 1 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 18.565730] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.565747] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.565776] Call Trace: [ 18.565817] <TASK> [ 18.565868] dump_stack_lvl+0x73/0xb0 [ 18.565907] print_report+0xd1/0x650 [ 18.565936] ? __virt_addr_valid+0x1db/0x2d0 [ 18.565965] ? strncpy_from_user+0x1a5/0x1d0 [ 18.565994] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.566023] ? strncpy_from_user+0x1a5/0x1d0 [ 18.566051] kasan_report+0x141/0x180 [ 18.566100] ? strncpy_from_user+0x1a5/0x1d0 [ 18.566135] __asan_report_store1_noabort+0x1b/0x30 [ 18.566162] strncpy_from_user+0x1a5/0x1d0 [ 18.566194] copy_user_test_oob+0x760/0x10f0 [ 18.566226] ? __pfx_copy_user_test_oob+0x10/0x10 [ 18.566255] ? finish_task_switch.isra.0+0x153/0x700 [ 18.566303] ? __switch_to+0x47/0xf50 [ 18.566336] ? __schedule+0x10cc/0x2b60 [ 18.566365] ? __pfx_read_tsc+0x10/0x10 [ 18.566392] ? ktime_get_ts64+0x86/0x230 [ 18.566426] kunit_try_run_case+0x1a5/0x480 [ 18.566456] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.566484] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.566514] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.566544] ? __kthread_parkme+0x82/0x180 [ 18.566569] ? preempt_count_sub+0x50/0x80 [ 18.566598] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.566628] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.566669] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.566698] kthread+0x337/0x6f0 [ 18.566722] ? trace_preempt_on+0x20/0xc0 [ 18.566751] ? __pfx_kthread+0x10/0x10 [ 18.566788] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.566815] ? calculate_sigpending+0x7b/0xa0 [ 18.566846] ? __pfx_kthread+0x10/0x10 [ 18.566874] ret_from_fork+0x116/0x1d0 [ 18.566898] ? __pfx_kthread+0x10/0x10 [ 18.566923] ret_from_fork_asm+0x1a/0x30 [ 18.566962] </TASK> [ 18.566976] [ 18.576242] Allocated by task 303: [ 18.576513] kasan_save_stack+0x45/0x70 [ 18.576813] kasan_save_track+0x18/0x40 [ 18.577036] kasan_save_alloc_info+0x3b/0x50 [ 18.577290] __kasan_kmalloc+0xb7/0xc0 [ 18.577500] __kmalloc_noprof+0x1c9/0x500 [ 18.577809] kunit_kmalloc_array+0x25/0x60 [ 18.578109] copy_user_test_oob+0xab/0x10f0 [ 18.578349] kunit_try_run_case+0x1a5/0x480 [ 18.578846] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.579064] kthread+0x337/0x6f0 [ 18.579206] ret_from_fork+0x116/0x1d0 [ 18.579361] ret_from_fork_asm+0x1a/0x30 [ 18.579522] [ 18.579607] The buggy address belongs to the object at ffff888103332c00 [ 18.579607] which belongs to the cache kmalloc-128 of size 128 [ 18.580278] The buggy address is located 0 bytes to the right of [ 18.580278] allocated 120-byte region [ffff888103332c00, ffff888103332c78) [ 18.581114] [ 18.581208] The buggy address belongs to the physical page: [ 18.581410] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103332 [ 18.581972] flags: 0x200000000000000(node=0|zone=2) [ 18.582256] page_type: f5(slab) [ 18.582439] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 18.582759] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.583208] page dumped because: kasan: bad access detected [ 18.583518] [ 18.583631] Memory state around the buggy address: [ 18.583990] ffff888103332b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.584241] ffff888103332b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.584488] >ffff888103332c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.584745] ^ [ 18.585127] ffff888103332c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.585533] ffff888103332d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.586076] ==================================================================