Date
July 19, 2025, 11:11 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.574788] ================================================================== [ 18.574842] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 18.574895] Write of size 1 at addr fff00000c77d3578 by task kunit_try_catch/286 [ 18.574945] [ 18.574978] CPU: 1 UID: 0 PID: 286 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.575166] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.575205] Hardware name: linux,dummy-virt (DT) [ 18.575238] Call trace: [ 18.575264] show_stack+0x20/0x38 (C) [ 18.575316] dump_stack_lvl+0x8c/0xd0 [ 18.575363] print_report+0x118/0x5d0 [ 18.575433] kasan_report+0xdc/0x128 [ 18.575491] __asan_report_store1_noabort+0x20/0x30 [ 18.575563] strncpy_from_user+0x270/0x2a0 [ 18.575624] copy_user_test_oob+0x5c0/0xec8 [ 18.575675] kunit_try_run_case+0x170/0x3f0 [ 18.575725] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.575779] kthread+0x328/0x630 [ 18.575824] ret_from_fork+0x10/0x20 [ 18.575873] [ 18.575895] Allocated by task 286: [ 18.575924] kasan_save_stack+0x3c/0x68 [ 18.575967] kasan_save_track+0x20/0x40 [ 18.576015] kasan_save_alloc_info+0x40/0x58 [ 18.576061] __kasan_kmalloc+0xd4/0xd8 [ 18.576104] __kmalloc_noprof+0x198/0x4c8 [ 18.576145] kunit_kmalloc_array+0x34/0x88 [ 18.576192] copy_user_test_oob+0xac/0xec8 [ 18.576233] kunit_try_run_case+0x170/0x3f0 [ 18.576283] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.576335] kthread+0x328/0x630 [ 18.576379] ret_from_fork+0x10/0x20 [ 18.576416] [ 18.576442] The buggy address belongs to the object at fff00000c77d3500 [ 18.576442] which belongs to the cache kmalloc-128 of size 128 [ 18.576502] The buggy address is located 0 bytes to the right of [ 18.576502] allocated 120-byte region [fff00000c77d3500, fff00000c77d3578) [ 18.577744] [ 18.577801] The buggy address belongs to the physical page: [ 18.577992] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077d3 [ 18.578067] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.578290] page_type: f5(slab) [ 18.578343] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.578422] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.578871] page dumped because: kasan: bad access detected [ 18.579163] [ 18.579627] Memory state around the buggy address: [ 18.579713] fff00000c77d3400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.579770] fff00000c77d3480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.580105] >fff00000c77d3500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.580153] ^ [ 18.580630] fff00000c77d3580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.580685] fff00000c77d3600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.580865] ================================================================== [ 18.563544] ================================================================== [ 18.563596] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 18.563652] Write of size 121 at addr fff00000c77d3500 by task kunit_try_catch/286 [ 18.564205] [ 18.564253] CPU: 1 UID: 0 PID: 286 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.564696] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.564738] Hardware name: linux,dummy-virt (DT) [ 18.564771] Call trace: [ 18.565071] show_stack+0x20/0x38 (C) [ 18.565164] dump_stack_lvl+0x8c/0xd0 [ 18.565216] print_report+0x118/0x5d0 [ 18.565578] kasan_report+0xdc/0x128 [ 18.565947] kasan_check_range+0x100/0x1a8 [ 18.566177] __kasan_check_write+0x20/0x30 [ 18.566286] strncpy_from_user+0x3c/0x2a0 [ 18.566581] copy_user_test_oob+0x5c0/0xec8 [ 18.566642] kunit_try_run_case+0x170/0x3f0 [ 18.566873] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.567102] kthread+0x328/0x630 [ 18.567587] ret_from_fork+0x10/0x20 [ 18.567692] [ 18.567797] Allocated by task 286: [ 18.567833] kasan_save_stack+0x3c/0x68 [ 18.567928] kasan_save_track+0x20/0x40 [ 18.568158] kasan_save_alloc_info+0x40/0x58 [ 18.568337] __kasan_kmalloc+0xd4/0xd8 [ 18.568618] __kmalloc_noprof+0x198/0x4c8 [ 18.568839] kunit_kmalloc_array+0x34/0x88 [ 18.568952] copy_user_test_oob+0xac/0xec8 [ 18.569032] kunit_try_run_case+0x170/0x3f0 [ 18.569099] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.569241] kthread+0x328/0x630 [ 18.569439] ret_from_fork+0x10/0x20 [ 18.569839] [ 18.569994] The buggy address belongs to the object at fff00000c77d3500 [ 18.569994] which belongs to the cache kmalloc-128 of size 128 [ 18.570150] The buggy address is located 0 bytes inside of [ 18.570150] allocated 120-byte region [fff00000c77d3500, fff00000c77d3578) [ 18.570286] [ 18.570394] The buggy address belongs to the physical page: [ 18.570436] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077d3 [ 18.570489] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.570727] page_type: f5(slab) [ 18.571386] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.571501] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.571722] page dumped because: kasan: bad access detected [ 18.571951] [ 18.572272] Memory state around the buggy address: [ 18.572340] fff00000c77d3400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.572392] fff00000c77d3480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.572839] >fff00000c77d3500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.573074] ^ [ 18.573198] fff00000c77d3580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.573455] fff00000c77d3600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.573597] ==================================================================
[ 16.241197] ================================================================== [ 16.241628] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 16.241871] Write of size 121 at addr ffff888102f59b00 by task kunit_try_catch/303 [ 16.242253] [ 16.242367] CPU: 1 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.242412] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.242424] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.242446] Call Trace: [ 16.242465] <TASK> [ 16.242483] dump_stack_lvl+0x73/0xb0 [ 16.242521] print_report+0xd1/0x610 [ 16.242544] ? __virt_addr_valid+0x1db/0x2d0 [ 16.242567] ? strncpy_from_user+0x2e/0x1d0 [ 16.242591] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.242615] ? strncpy_from_user+0x2e/0x1d0 [ 16.242640] kasan_report+0x141/0x180 [ 16.242662] ? strncpy_from_user+0x2e/0x1d0 [ 16.242691] kasan_check_range+0x10c/0x1c0 [ 16.242714] __kasan_check_write+0x18/0x20 [ 16.242735] strncpy_from_user+0x2e/0x1d0 [ 16.242758] ? __kasan_check_read+0x15/0x20 [ 16.242779] copy_user_test_oob+0x760/0x10f0 [ 16.242807] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.242830] ? finish_task_switch.isra.0+0x153/0x700 [ 16.242854] ? __switch_to+0x47/0xf50 [ 16.242880] ? __schedule+0x10cc/0x2b60 [ 16.242903] ? __pfx_read_tsc+0x10/0x10 [ 16.242926] ? ktime_get_ts64+0x86/0x230 [ 16.242950] kunit_try_run_case+0x1a5/0x480 [ 16.242976] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.243000] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.243025] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.243050] ? __kthread_parkme+0x82/0x180 [ 16.243071] ? preempt_count_sub+0x50/0x80 [ 16.243094] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.243119] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.243143] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.243177] kthread+0x337/0x6f0 [ 16.243197] ? trace_preempt_on+0x20/0xc0 [ 16.243221] ? __pfx_kthread+0x10/0x10 [ 16.243242] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.243264] ? calculate_sigpending+0x7b/0xa0 [ 16.243289] ? __pfx_kthread+0x10/0x10 [ 16.243310] ret_from_fork+0x116/0x1d0 [ 16.243330] ? __pfx_kthread+0x10/0x10 [ 16.243351] ret_from_fork_asm+0x1a/0x30 [ 16.243384] </TASK> [ 16.243394] [ 16.251046] Allocated by task 303: [ 16.251251] kasan_save_stack+0x45/0x70 [ 16.251398] kasan_save_track+0x18/0x40 [ 16.251546] kasan_save_alloc_info+0x3b/0x50 [ 16.251698] __kasan_kmalloc+0xb7/0xc0 [ 16.251898] __kmalloc_noprof+0x1c9/0x500 [ 16.252106] kunit_kmalloc_array+0x25/0x60 [ 16.252508] copy_user_test_oob+0xab/0x10f0 [ 16.252665] kunit_try_run_case+0x1a5/0x480 [ 16.252813] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.252994] kthread+0x337/0x6f0 [ 16.253174] ret_from_fork+0x116/0x1d0 [ 16.253364] ret_from_fork_asm+0x1a/0x30 [ 16.253576] [ 16.253672] The buggy address belongs to the object at ffff888102f59b00 [ 16.253672] which belongs to the cache kmalloc-128 of size 128 [ 16.254258] The buggy address is located 0 bytes inside of [ 16.254258] allocated 120-byte region [ffff888102f59b00, ffff888102f59b78) [ 16.254747] [ 16.254847] The buggy address belongs to the physical page: [ 16.255074] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102f59 [ 16.255416] flags: 0x200000000000000(node=0|zone=2) [ 16.255641] page_type: f5(slab) [ 16.255809] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.256100] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.256549] page dumped because: kasan: bad access detected [ 16.256782] [ 16.256862] Memory state around the buggy address: [ 16.257087] ffff888102f59a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.257406] ffff888102f59a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.257708] >ffff888102f59b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.258001] ^ [ 16.258351] ffff888102f59b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.258651] ffff888102f59c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.258930] ================================================================== [ 16.259485] ================================================================== [ 16.259820] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 16.260176] Write of size 1 at addr ffff888102f59b78 by task kunit_try_catch/303 [ 16.260471] [ 16.260569] CPU: 1 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.260613] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.260625] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.260647] Call Trace: [ 16.260665] <TASK> [ 16.260681] dump_stack_lvl+0x73/0xb0 [ 16.260709] print_report+0xd1/0x610 [ 16.260732] ? __virt_addr_valid+0x1db/0x2d0 [ 16.260756] ? strncpy_from_user+0x1a5/0x1d0 [ 16.260778] ? kasan_complete_mode_report_info+0x2a/0x200 [ 16.260802] ? strncpy_from_user+0x1a5/0x1d0 [ 16.260826] kasan_report+0x141/0x180 [ 16.260848] ? strncpy_from_user+0x1a5/0x1d0 [ 16.260876] __asan_report_store1_noabort+0x1b/0x30 [ 16.260902] strncpy_from_user+0x1a5/0x1d0 [ 16.260929] copy_user_test_oob+0x760/0x10f0 [ 16.260956] ? __pfx_copy_user_test_oob+0x10/0x10 [ 16.260979] ? finish_task_switch.isra.0+0x153/0x700 [ 16.261004] ? __switch_to+0x47/0xf50 [ 16.261030] ? __schedule+0x10cc/0x2b60 [ 16.261052] ? __pfx_read_tsc+0x10/0x10 [ 16.261074] ? ktime_get_ts64+0x86/0x230 [ 16.261099] kunit_try_run_case+0x1a5/0x480 [ 16.261124] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.261147] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.261172] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.261197] ? __kthread_parkme+0x82/0x180 [ 16.261219] ? preempt_count_sub+0x50/0x80 [ 16.261243] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.261268] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.261293] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.261318] kthread+0x337/0x6f0 [ 16.261338] ? trace_preempt_on+0x20/0xc0 [ 16.261362] ? __pfx_kthread+0x10/0x10 [ 16.261383] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.261405] ? calculate_sigpending+0x7b/0xa0 [ 16.261431] ? __pfx_kthread+0x10/0x10 [ 16.261453] ret_from_fork+0x116/0x1d0 [ 16.261485] ? __pfx_kthread+0x10/0x10 [ 16.261517] ret_from_fork_asm+0x1a/0x30 [ 16.261549] </TASK> [ 16.261560] [ 16.268683] Allocated by task 303: [ 16.268843] kasan_save_stack+0x45/0x70 [ 16.269011] kasan_save_track+0x18/0x40 [ 16.269147] kasan_save_alloc_info+0x3b/0x50 [ 16.269365] __kasan_kmalloc+0xb7/0xc0 [ 16.269569] __kmalloc_noprof+0x1c9/0x500 [ 16.269735] kunit_kmalloc_array+0x25/0x60 [ 16.269926] copy_user_test_oob+0xab/0x10f0 [ 16.270133] kunit_try_run_case+0x1a5/0x480 [ 16.270327] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.270571] kthread+0x337/0x6f0 [ 16.270730] ret_from_fork+0x116/0x1d0 [ 16.270915] ret_from_fork_asm+0x1a/0x30 [ 16.271063] [ 16.271135] The buggy address belongs to the object at ffff888102f59b00 [ 16.271135] which belongs to the cache kmalloc-128 of size 128 [ 16.271656] The buggy address is located 0 bytes to the right of [ 16.271656] allocated 120-byte region [ffff888102f59b00, ffff888102f59b78) [ 16.272114] [ 16.272187] The buggy address belongs to the physical page: [ 16.272360] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102f59 [ 16.273273] flags: 0x200000000000000(node=0|zone=2) [ 16.273455] page_type: f5(slab) [ 16.273599] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 16.273864] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.274236] page dumped because: kasan: bad access detected [ 16.274487] [ 16.274591] Memory state around the buggy address: [ 16.274813] ffff888102f59a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.275075] ffff888102f59a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.275319] >ffff888102f59b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.275544] ^ [ 16.275759] ffff888102f59b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.276052] ffff888102f59c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.276394] ==================================================================