Date
July 18, 2025, 2:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.250962] ================================================================== [ 19.251276] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 19.251457] Read of size 1 at addr ffff800080b37b5f by task kunit_try_catch/251 [ 19.251639] [ 19.252125] CPU: 0 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 19.252277] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.252464] Hardware name: linux,dummy-virt (DT) [ 19.252584] Call trace: [ 19.252729] show_stack+0x20/0x38 (C) [ 19.252802] dump_stack_lvl+0x8c/0xd0 [ 19.253040] print_report+0x310/0x5d0 [ 19.253148] kasan_report+0xdc/0x128 [ 19.253343] __asan_report_load1_noabort+0x20/0x30 [ 19.253646] kasan_alloca_oob_left+0x2b8/0x310 [ 19.253810] kunit_try_run_case+0x170/0x3f0 [ 19.253984] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.254111] kthread+0x328/0x630 [ 19.254161] ret_from_fork+0x10/0x20 [ 19.254488] [ 19.254623] The buggy address belongs to stack of task kunit_try_catch/251 [ 19.254987] [ 19.255210] The buggy address ffff800080b37b5f belongs to a vmalloc virtual mapping [ 19.255262] The buggy address belongs to the physical page: [ 19.255457] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1079d9 [ 19.255530] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.255650] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.255913] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.256030] page dumped because: kasan: bad access detected [ 19.256161] [ 19.256241] Memory state around the buggy address: [ 19.256362] ffff800080b37a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.256476] ffff800080b37a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.256529] >ffff800080b37b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 19.256719] ^ [ 19.256921] ffff800080b37b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 19.257048] ffff800080b37c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.257156] ==================================================================
[ 18.859013] ================================================================== [ 18.859487] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 18.859600] Read of size 1 at addr ffff800080ac7b5f by task kunit_try_catch/251 [ 18.859682] [ 18.859718] CPU: 1 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.859827] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.859884] Hardware name: linux,dummy-virt (DT) [ 18.860133] Call trace: [ 18.860165] show_stack+0x20/0x38 (C) [ 18.860238] dump_stack_lvl+0x8c/0xd0 [ 18.860433] print_report+0x310/0x5d0 [ 18.860526] kasan_report+0xdc/0x128 [ 18.860594] __asan_report_load1_noabort+0x20/0x30 [ 18.860803] kasan_alloca_oob_left+0x2b8/0x310 [ 18.860919] kunit_try_run_case+0x170/0x3f0 [ 18.861029] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.861125] kthread+0x328/0x630 [ 18.861227] ret_from_fork+0x10/0x20 [ 18.861368] [ 18.861419] The buggy address belongs to stack of task kunit_try_catch/251 [ 18.861511] [ 18.861534] The buggy address ffff800080ac7b5f belongs to a vmalloc virtual mapping [ 18.861579] The buggy address belongs to the physical page: [ 18.861612] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10794b [ 18.861668] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.861733] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 18.861785] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.861828] page dumped because: kasan: bad access detected [ 18.861862] [ 18.861882] Memory state around the buggy address: [ 18.861914] ffff800080ac7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.861960] ffff800080ac7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.862006] >ffff800080ac7b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 18.862047] ^ [ 18.862087] ffff800080ac7b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 18.862133] ffff800080ac7c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 18.862175] ==================================================================
[ 18.745767] ================================================================== [ 18.746092] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 18.746211] Read of size 1 at addr ffff800080a87b5f by task kunit_try_catch/251 [ 18.746266] [ 18.746304] CPU: 1 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.746404] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.746434] Hardware name: linux,dummy-virt (DT) [ 18.747200] __asan_report_load1_noabort+0x20/0x30 [ 18.748096] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106402 [ 18.748678] ffff800080a87c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 18.757134] __asan_report_load1_noabort+0x20/0x30 [ 18.759093] ^ [ 18.769977] not ok 60 kasan_memchr [ 18.774807] dump_stack_lvl+0x8c/0xd0 [ 18.778810] ret_from_fork+0x10/0x20 [ 18.779478] [ 18.781255] page dumped because: kasan: bad access detected [ 18.781927] >fff00000c770ad00: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 18.795275] # kasan_strings: EXPECTATION FAILED at mm/kasan/kasan_test_c.c:1610 [ 18.795275] KASAN failure expected in \"kasan_ptr_result = strchr(ptr, '1')\", but none occurred [ 18.804787] kthread+0x328/0x630 [ 18.806462] kasan_save_alloc_info+0x40/0x58 [ 18.809434] kasan_save_track+0x20/0x40 [ 18.811054] kthread+0x328/0x630 [ 18.811822] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10770a [ 18.813761] page dumped because: kasan: bad access detected [ 18.817615] BUG: KASAN: slab-use-after-free in kasan_strings+0x95c/0xb00 [ 18.818579] kasan_strings+0x95c/0xb00 [ 18.818624] kunit_try_run_case+0x170/0x3f0 [ 18.818747] kthread+0x328/0x630 [ 18.820023] kasan_save_alloc_info+0x40/0x58 [ 18.820121] __kasan_kmalloc+0xd4/0xd8 [ 18.820164] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.821579] The buggy address belongs to the object at fff00000c770aec0 [ 18.821579] which belongs to the cache kmalloc-32 of size 32 [ 18.822154] page dumped because: kasan: bad access detected [ 18.826323] fff00000c770af80: 00 00 00 fc fc fc fc fc fa fb fb fb fc fc fc fc [ 18.829055] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.829408] Hardware name: linux,dummy-virt (DT) [ 18.831245] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.833441] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.835014] kunit_try_run_case+0x170/0x3f0 [ 18.836867] The buggy address is located 16 bytes inside of [ 18.836867] freed 32-byte region [fff00000c770aec0, fff00000c770aee0) [ 18.838375] fff00000c770ae00: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 18.840687] ==================================================================
[ 13.906775] ================================================================== [ 13.907271] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 13.907699] Read of size 1 at addr ffff888103b57c3f by task kunit_try_catch/269 [ 13.908244] [ 13.908379] CPU: 1 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.908444] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.908455] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.908479] Call Trace: [ 13.908493] <TASK> [ 13.908511] dump_stack_lvl+0x73/0xb0 [ 13.908542] print_report+0xd1/0x610 [ 13.908564] ? __virt_addr_valid+0x1db/0x2d0 [ 13.908587] ? kasan_alloca_oob_left+0x320/0x380 [ 13.908610] ? kasan_addr_to_slab+0x11/0xa0 [ 13.908631] ? kasan_alloca_oob_left+0x320/0x380 [ 13.908654] kasan_report+0x141/0x180 [ 13.908676] ? kasan_alloca_oob_left+0x320/0x380 [ 13.908704] __asan_report_load1_noabort+0x18/0x20 [ 13.908728] kasan_alloca_oob_left+0x320/0x380 [ 13.908752] ? irqentry_exit+0x2a/0x60 [ 13.908773] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 13.908798] ? trace_hardirqs_on+0x37/0xe0 [ 13.908825] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 13.908853] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 13.908881] kunit_try_run_case+0x1a5/0x480 [ 13.908906] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.908927] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.908952] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.908975] ? __kthread_parkme+0x82/0x180 [ 13.908996] ? preempt_count_sub+0x50/0x80 [ 13.909020] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.909044] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.909068] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.909092] kthread+0x337/0x6f0 [ 13.909111] ? trace_preempt_on+0x20/0xc0 [ 13.909138] ? __pfx_kthread+0x10/0x10 [ 13.909160] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.909181] ? calculate_sigpending+0x7b/0xa0 [ 13.909218] ? __pfx_kthread+0x10/0x10 [ 13.909239] ret_from_fork+0x116/0x1d0 [ 13.909258] ? __pfx_kthread+0x10/0x10 [ 13.909278] ret_from_fork_asm+0x1a/0x30 [ 13.909311] </TASK> [ 13.909321] [ 13.924178] The buggy address belongs to stack of task kunit_try_catch/269 [ 13.924708] [ 13.924784] The buggy address belongs to the physical page: [ 13.924960] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b57 [ 13.925208] flags: 0x200000000000000(node=0|zone=2) [ 13.925389] raw: 0200000000000000 ffffea00040ed5c8 ffffea00040ed5c8 0000000000000000 [ 13.925709] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.926017] page dumped because: kasan: bad access detected [ 13.926262] [ 13.926375] Memory state around the buggy address: [ 13.926789] ffff888103b57b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.927025] ffff888103b57b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.927374] >ffff888103b57c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 13.927754] ^ [ 13.927983] ffff888103b57c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 13.928467] ffff888103b57d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.928758] ==================================================================
[ 14.162819] ================================================================== [ 14.164414] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 14.164735] Read of size 1 at addr ffff888103a17c3f by task kunit_try_catch/268 [ 14.164968] [ 14.165093] CPU: 0 UID: 0 PID: 268 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.165147] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.165159] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.165184] Call Trace: [ 14.165203] <TASK> [ 14.165225] dump_stack_lvl+0x73/0xb0 [ 14.165256] print_report+0xd1/0x610 [ 14.165280] ? __virt_addr_valid+0x1db/0x2d0 [ 14.165303] ? kasan_alloca_oob_left+0x320/0x380 [ 14.165324] ? kasan_addr_to_slab+0x11/0xa0 [ 14.165344] ? kasan_alloca_oob_left+0x320/0x380 [ 14.165366] kasan_report+0x141/0x180 [ 14.165386] ? kasan_alloca_oob_left+0x320/0x380 [ 14.165412] __asan_report_load1_noabort+0x18/0x20 [ 14.165437] kasan_alloca_oob_left+0x320/0x380 [ 14.165460] ? finish_task_switch.isra.0+0x153/0x700 [ 14.165482] ? __schedule+0x100e/0x2b60 [ 14.165504] ? trace_hardirqs_on+0x37/0xe0 [ 14.165529] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 14.165553] ? __schedule+0x10cc/0x2b60 [ 14.165572] ? __pfx_read_tsc+0x10/0x10 [ 14.165593] ? ktime_get_ts64+0x86/0x230 [ 14.165616] kunit_try_run_case+0x1a5/0x480 [ 14.165640] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.165661] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.165684] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.165706] ? __kthread_parkme+0x82/0x180 [ 14.165726] ? preempt_count_sub+0x50/0x80 [ 14.165749] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.165771] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.165793] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.165815] kthread+0x337/0x6f0 [ 14.165833] ? trace_preempt_on+0x20/0xc0 [ 14.165853] ? __pfx_kthread+0x10/0x10 [ 14.165873] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.165893] ? calculate_sigpending+0x7b/0xa0 [ 14.165917] ? __pfx_kthread+0x10/0x10 [ 14.165938] ret_from_fork+0x116/0x1d0 [ 14.165955] ? __pfx_kthread+0x10/0x10 [ 14.165975] ret_from_fork_asm+0x1a/0x30 [ 14.166006] </TASK> [ 14.167067] [ 14.180431] The buggy address belongs to stack of task kunit_try_catch/268 [ 14.180798] [ 14.180903] The buggy address belongs to the physical page: [ 14.181176] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a17 [ 14.182137] flags: 0x200000000000000(node=0|zone=2) [ 14.182357] raw: 0200000000000000 ffffea00040e85c8 ffffea00040e85c8 0000000000000000 [ 14.183364] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.184230] page dumped because: kasan: bad access detected [ 14.184701] [ 14.184949] Memory state around the buggy address: [ 14.185452] ffff888103a17b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.185766] ffff888103a17b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.186063] >ffff888103a17c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.186354] ^ [ 14.186868] ffff888103a17c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.187143] ffff888103a17d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.187602] ==================================================================
[ 14.019993] ================================================================== [ 14.020486] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 14.020909] Read of size 1 at addr ffff888103b1fc3f by task kunit_try_catch/268 [ 14.021247] [ 14.021423] CPU: 0 UID: 0 PID: 268 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.021469] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.021480] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.021503] Call Trace: [ 14.021514] <TASK> [ 14.021529] dump_stack_lvl+0x73/0xb0 [ 14.021559] print_report+0xd1/0x610 [ 14.021594] ? __virt_addr_valid+0x1db/0x2d0 [ 14.021618] ? kasan_alloca_oob_left+0x320/0x380 [ 14.021640] ? kasan_addr_to_slab+0x11/0xa0 [ 14.021672] ? kasan_alloca_oob_left+0x320/0x380 [ 14.021704] kasan_report+0x141/0x180 [ 14.021726] ? kasan_alloca_oob_left+0x320/0x380 [ 14.021766] __asan_report_load1_noabort+0x18/0x20 [ 14.021791] kasan_alloca_oob_left+0x320/0x380 [ 14.021816] ? finish_task_switch.isra.0+0x153/0x700 [ 14.021841] ? __schedule+0x100e/0x2b60 [ 14.021863] ? trace_hardirqs_on+0x37/0xe0 [ 14.021889] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 14.021922] ? __kasan_check_write+0x18/0x20 [ 14.021950] ? queued_spin_lock_slowpath+0x116/0xb40 [ 14.021978] ? trace_hardirqs_on+0x37/0xe0 [ 14.021999] ? __pfx_read_tsc+0x10/0x10 [ 14.022032] ? ktime_get_ts64+0x86/0x230 [ 14.022065] kunit_try_run_case+0x1a5/0x480 [ 14.022091] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.022116] ? queued_spin_lock_slowpath+0x116/0xb40 [ 14.022139] ? __kthread_parkme+0x82/0x180 [ 14.022170] ? preempt_count_sub+0x50/0x80 [ 14.022194] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.022218] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.022253] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.022277] kthread+0x337/0x6f0 [ 14.022298] ? trace_preempt_on+0x20/0xc0 [ 14.022320] ? __pfx_kthread+0x10/0x10 [ 14.022340] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.022361] ? calculate_sigpending+0x7b/0xa0 [ 14.022387] ? __pfx_kthread+0x10/0x10 [ 14.022408] ret_from_fork+0x116/0x1d0 [ 14.022427] ? __pfx_kthread+0x10/0x10 [ 14.022449] ret_from_fork_asm+0x1a/0x30 [ 14.022482] </TASK> [ 14.022493] [ 14.030502] The buggy address belongs to stack of task kunit_try_catch/268 [ 14.030731] [ 14.030808] The buggy address belongs to the physical page: [ 14.030995] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b1f [ 14.031355] flags: 0x200000000000000(node=0|zone=2) [ 14.031625] raw: 0200000000000000 ffffea00040ec7c8 ffffea00040ec7c8 0000000000000000 [ 14.031925] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.032152] page dumped because: kasan: bad access detected [ 14.032474] [ 14.032638] Memory state around the buggy address: [ 14.032889] ffff888103b1fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.033214] ffff888103b1fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.033525] >ffff888103b1fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.033750] ^ [ 14.033920] ffff888103b1fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.034136] ffff888103b1fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.034603] ==================================================================