Date
July 8, 2025, 7:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.585931] ================================================================== [ 22.585992] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 22.586138] Write of size 1 at addr fff00000c5713f78 by task kunit_try_catch/285 [ 22.586199] [ 22.586280] CPU: 0 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 22.586744] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.586809] Hardware name: linux,dummy-virt (DT) [ 22.586976] Call trace: [ 22.587201] show_stack+0x20/0x38 (C) [ 22.587416] dump_stack_lvl+0x8c/0xd0 [ 22.587486] print_report+0x118/0x608 [ 22.587854] kasan_report+0xdc/0x128 [ 22.588024] __asan_report_store1_noabort+0x20/0x30 [ 22.588141] strncpy_from_user+0x270/0x2a0 [ 22.588602] copy_user_test_oob+0x5c0/0xec8 [ 22.588681] kunit_try_run_case+0x170/0x3f0 [ 22.588918] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.589052] kthread+0x328/0x630 [ 22.589280] ret_from_fork+0x10/0x20 [ 22.589347] [ 22.589369] Allocated by task 285: [ 22.589398] kasan_save_stack+0x3c/0x68 [ 22.589792] kasan_save_track+0x20/0x40 [ 22.589861] kasan_save_alloc_info+0x40/0x58 [ 22.589905] __kasan_kmalloc+0xd4/0xd8 [ 22.589942] __kmalloc_noprof+0x198/0x4c8 [ 22.589989] kunit_kmalloc_array+0x34/0x88 [ 22.590037] copy_user_test_oob+0xac/0xec8 [ 22.590078] kunit_try_run_case+0x170/0x3f0 [ 22.590120] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.590168] kthread+0x328/0x630 [ 22.590212] ret_from_fork+0x10/0x20 [ 22.590249] [ 22.590278] The buggy address belongs to the object at fff00000c5713f00 [ 22.590278] which belongs to the cache kmalloc-128 of size 128 [ 22.590348] The buggy address is located 0 bytes to the right of [ 22.590348] allocated 120-byte region [fff00000c5713f00, fff00000c5713f78) [ 22.590423] [ 22.590450] The buggy address belongs to the physical page: [ 22.590492] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105713 [ 22.590547] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.590596] page_type: f5(slab) [ 22.590655] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.590728] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.590771] page dumped because: kasan: bad access detected [ 22.590806] [ 22.590825] Memory state around the buggy address: [ 22.590859] fff00000c5713e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.590904] fff00000c5713e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.590948] >fff00000c5713f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.590990] ^ [ 22.591032] fff00000c5713f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.591076] fff00000c5714000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.591133] ================================================================== [ 22.575008] ================================================================== [ 22.575061] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 22.575117] Write of size 121 at addr fff00000c5713f00 by task kunit_try_catch/285 [ 22.575170] [ 22.575200] CPU: 0 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 22.575685] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.576082] Hardware name: linux,dummy-virt (DT) [ 22.576210] Call trace: [ 22.576278] show_stack+0x20/0x38 (C) [ 22.576504] dump_stack_lvl+0x8c/0xd0 [ 22.576739] print_report+0x118/0x608 [ 22.576881] kasan_report+0xdc/0x128 [ 22.576998] kasan_check_range+0x100/0x1a8 [ 22.577111] __kasan_check_write+0x20/0x30 [ 22.577160] strncpy_from_user+0x3c/0x2a0 [ 22.577215] copy_user_test_oob+0x5c0/0xec8 [ 22.577264] kunit_try_run_case+0x170/0x3f0 [ 22.577312] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.577668] kthread+0x328/0x630 [ 22.577969] ret_from_fork+0x10/0x20 [ 22.578229] [ 22.578274] Allocated by task 285: [ 22.578479] kasan_save_stack+0x3c/0x68 [ 22.578810] kasan_save_track+0x20/0x40 [ 22.578889] kasan_save_alloc_info+0x40/0x58 [ 22.579023] __kasan_kmalloc+0xd4/0xd8 [ 22.579143] __kmalloc_noprof+0x198/0x4c8 [ 22.579214] kunit_kmalloc_array+0x34/0x88 [ 22.579253] copy_user_test_oob+0xac/0xec8 [ 22.579576] kunit_try_run_case+0x170/0x3f0 [ 22.579814] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.579890] kthread+0x328/0x630 [ 22.580024] ret_from_fork+0x10/0x20 [ 22.580295] [ 22.580394] The buggy address belongs to the object at fff00000c5713f00 [ 22.580394] which belongs to the cache kmalloc-128 of size 128 [ 22.580496] The buggy address is located 0 bytes inside of [ 22.580496] allocated 120-byte region [fff00000c5713f00, fff00000c5713f78) [ 22.580851] [ 22.580951] The buggy address belongs to the physical page: [ 22.581015] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105713 [ 22.581234] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.581504] page_type: f5(slab) [ 22.581731] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.581933] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.582304] page dumped because: kasan: bad access detected [ 22.582453] [ 22.582478] Memory state around the buggy address: [ 22.582517] fff00000c5713e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.582733] fff00000c5713e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.582958] >fff00000c5713f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.583129] ^ [ 22.583275] fff00000c5713f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.583392] fff00000c5714000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.583838] ==================================================================
[ 17.427442] ================================================================== [ 17.427684] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 17.427912] Write of size 121 at addr ffff888102629100 by task kunit_try_catch/302 [ 17.428372] [ 17.428542] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 17.428584] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.428596] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.428618] Call Trace: [ 17.428634] <TASK> [ 17.428650] dump_stack_lvl+0x73/0xb0 [ 17.428676] print_report+0xd1/0x650 [ 17.428699] ? __virt_addr_valid+0x1db/0x2d0 [ 17.428722] ? strncpy_from_user+0x2e/0x1d0 [ 17.428745] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.428772] ? strncpy_from_user+0x2e/0x1d0 [ 17.428795] kasan_report+0x141/0x180 [ 17.428817] ? strncpy_from_user+0x2e/0x1d0 [ 17.428845] kasan_check_range+0x10c/0x1c0 [ 17.428869] __kasan_check_write+0x18/0x20 [ 17.428890] strncpy_from_user+0x2e/0x1d0 [ 17.428913] ? __kasan_check_read+0x15/0x20 [ 17.428934] copy_user_test_oob+0x760/0x10f0 [ 17.428961] ? __pfx_copy_user_test_oob+0x10/0x10 [ 17.428983] ? finish_task_switch.isra.0+0x153/0x700 [ 17.429006] ? __switch_to+0x47/0xf50 [ 17.429032] ? __schedule+0x10cc/0x2b60 [ 17.429066] ? __pfx_read_tsc+0x10/0x10 [ 17.429103] ? ktime_get_ts64+0x86/0x230 [ 17.429139] kunit_try_run_case+0x1a5/0x480 [ 17.429167] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.429203] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 17.429227] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.429251] ? __kthread_parkme+0x82/0x180 [ 17.429272] ? preempt_count_sub+0x50/0x80 [ 17.429296] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.429320] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.429344] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.429368] kthread+0x337/0x6f0 [ 17.429389] ? trace_preempt_on+0x20/0xc0 [ 17.429412] ? __pfx_kthread+0x10/0x10 [ 17.429434] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.429457] ? calculate_sigpending+0x7b/0xa0 [ 17.429480] ? __pfx_kthread+0x10/0x10 [ 17.429502] ret_from_fork+0x116/0x1d0 [ 17.429522] ? __pfx_kthread+0x10/0x10 [ 17.429544] ret_from_fork_asm+0x1a/0x30 [ 17.429584] </TASK> [ 17.429597] [ 17.444259] Allocated by task 302: [ 17.444465] kasan_save_stack+0x45/0x70 [ 17.444675] kasan_save_track+0x18/0x40 [ 17.444882] kasan_save_alloc_info+0x3b/0x50 [ 17.445119] __kasan_kmalloc+0xb7/0xc0 [ 17.445286] __kmalloc_noprof+0x1c9/0x500 [ 17.445429] kunit_kmalloc_array+0x25/0x60 [ 17.445576] copy_user_test_oob+0xab/0x10f0 [ 17.445787] kunit_try_run_case+0x1a5/0x480 [ 17.446014] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.446309] kthread+0x337/0x6f0 [ 17.446485] ret_from_fork+0x116/0x1d0 [ 17.446665] ret_from_fork_asm+0x1a/0x30 [ 17.446833] [ 17.446932] The buggy address belongs to the object at ffff888102629100 [ 17.446932] which belongs to the cache kmalloc-128 of size 128 [ 17.447438] The buggy address is located 0 bytes inside of [ 17.447438] allocated 120-byte region [ffff888102629100, ffff888102629178) [ 17.447987] [ 17.448099] The buggy address belongs to the physical page: [ 17.448339] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102629 [ 17.448710] flags: 0x200000000000000(node=0|zone=2) [ 17.448947] page_type: f5(slab) [ 17.449135] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 17.449465] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.449814] page dumped because: kasan: bad access detected [ 17.450062] [ 17.450164] Memory state around the buggy address: [ 17.450358] ffff888102629000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.450596] ffff888102629080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.450858] >ffff888102629100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.451204] ^ [ 17.451545] ffff888102629180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.451855] ffff888102629200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.452077] ================================================================== [ 17.452720] ================================================================== [ 17.453108] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 17.453450] Write of size 1 at addr ffff888102629178 by task kunit_try_catch/302 [ 17.453792] [ 17.453880] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 17.453923] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.453937] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.453960] Call Trace: [ 17.453977] <TASK> [ 17.453994] dump_stack_lvl+0x73/0xb0 [ 17.454021] print_report+0xd1/0x650 [ 17.454062] ? __virt_addr_valid+0x1db/0x2d0 [ 17.454084] ? strncpy_from_user+0x1a5/0x1d0 [ 17.454119] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.454146] ? strncpy_from_user+0x1a5/0x1d0 [ 17.454170] kasan_report+0x141/0x180 [ 17.454192] ? strncpy_from_user+0x1a5/0x1d0 [ 17.454220] __asan_report_store1_noabort+0x1b/0x30 [ 17.454245] strncpy_from_user+0x1a5/0x1d0 [ 17.454271] copy_user_test_oob+0x760/0x10f0 [ 17.454297] ? __pfx_copy_user_test_oob+0x10/0x10 [ 17.454320] ? finish_task_switch.isra.0+0x153/0x700 [ 17.454343] ? __switch_to+0x47/0xf50 [ 17.454368] ? __schedule+0x10cc/0x2b60 [ 17.454391] ? __pfx_read_tsc+0x10/0x10 [ 17.454412] ? ktime_get_ts64+0x86/0x230 [ 17.454436] kunit_try_run_case+0x1a5/0x480 [ 17.454462] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.454505] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 17.454528] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.454553] ? __kthread_parkme+0x82/0x180 [ 17.454573] ? preempt_count_sub+0x50/0x80 [ 17.454596] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.454621] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.454644] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.454668] kthread+0x337/0x6f0 [ 17.454688] ? trace_preempt_on+0x20/0xc0 [ 17.454711] ? __pfx_kthread+0x10/0x10 [ 17.454735] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.454757] ? calculate_sigpending+0x7b/0xa0 [ 17.454782] ? __pfx_kthread+0x10/0x10 [ 17.454805] ret_from_fork+0x116/0x1d0 [ 17.454845] ? __pfx_kthread+0x10/0x10 [ 17.454866] ret_from_fork_asm+0x1a/0x30 [ 17.454909] </TASK> [ 17.454922] [ 17.462362] Allocated by task 302: [ 17.462580] kasan_save_stack+0x45/0x70 [ 17.462778] kasan_save_track+0x18/0x40 [ 17.462968] kasan_save_alloc_info+0x3b/0x50 [ 17.463192] __kasan_kmalloc+0xb7/0xc0 [ 17.463357] __kmalloc_noprof+0x1c9/0x500 [ 17.463514] kunit_kmalloc_array+0x25/0x60 [ 17.463663] copy_user_test_oob+0xab/0x10f0 [ 17.463871] kunit_try_run_case+0x1a5/0x480 [ 17.464109] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.464373] kthread+0x337/0x6f0 [ 17.464567] ret_from_fork+0x116/0x1d0 [ 17.464784] ret_from_fork_asm+0x1a/0x30 [ 17.464973] [ 17.465084] The buggy address belongs to the object at ffff888102629100 [ 17.465084] which belongs to the cache kmalloc-128 of size 128 [ 17.465622] The buggy address is located 0 bytes to the right of [ 17.465622] allocated 120-byte region [ffff888102629100, ffff888102629178) [ 17.466148] [ 17.466248] The buggy address belongs to the physical page: [ 17.466523] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102629 [ 17.466851] flags: 0x200000000000000(node=0|zone=2) [ 17.467015] page_type: f5(slab) [ 17.467146] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 17.467379] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.467736] page dumped because: kasan: bad access detected [ 17.467994] [ 17.468098] Memory state around the buggy address: [ 17.468325] ffff888102629000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.468656] ffff888102629080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.468986] >ffff888102629100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.469325] ^ [ 17.469572] ffff888102629180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.469793] ffff888102629200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.470086] ==================================================================