Date
July 22, 2025, 2:40 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.389236] ================================================================== [ 19.389439] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 19.389767] Read of size 1 at addr ffff800080a17b5f by task kunit_try_catch/253 [ 19.389848] [ 19.390040] CPU: 1 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.15.8-rc1 #1 PREEMPT [ 19.390307] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.390345] Hardware name: linux,dummy-virt (DT) [ 19.390381] Call trace: [ 19.390419] show_stack+0x20/0x38 (C) [ 19.390528] dump_stack_lvl+0x8c/0xd0 [ 19.390593] print_report+0x310/0x5d0 [ 19.391069] kasan_report+0xdc/0x128 [ 19.391123] __asan_report_load1_noabort+0x20/0x30 [ 19.391205] kasan_alloca_oob_left+0x2b8/0x310 [ 19.391257] kunit_try_run_case+0x170/0x3f0 [ 19.391336] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.391396] kthread+0x328/0x630 [ 19.391448] ret_from_fork+0x10/0x20 [ 19.391501] [ 19.391525] The buggy address belongs to stack of task kunit_try_catch/253 [ 19.391595] [ 19.391617] The buggy address ffff800080a17b5f belongs to a vmalloc virtual mapping [ 19.391663] The buggy address belongs to the physical page: [ 19.391700] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078eb [ 19.391757] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.391826] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.391879] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.391922] page dumped because: kasan: bad access detected [ 19.391956] [ 19.391978] Memory state around the buggy address: [ 19.392013] ffff800080a17a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.392058] ffff800080a17a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.392103] >ffff800080a17b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 19.392144] ^ [ 19.392184] ffff800080a17b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 19.392229] ffff800080a17c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.392271] ==================================================================
[ 12.989049] ================================================================== [ 12.990355] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 12.990856] Read of size 1 at addr ffff888103db7c3f by task kunit_try_catch/271 [ 12.991835] [ 12.991932] CPU: 1 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G B N 6.15.8-rc1 #1 PREEMPT(voluntary) [ 12.991981] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.991993] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.992015] Call Trace: [ 12.992028] <TASK> [ 12.992044] dump_stack_lvl+0x73/0xb0 [ 12.992072] print_report+0xd1/0x610 [ 12.992095] ? __virt_addr_valid+0x1db/0x2d0 [ 12.992116] ? kasan_alloca_oob_left+0x320/0x380 [ 12.992138] ? kasan_addr_to_slab+0x11/0xa0 [ 12.992159] ? kasan_alloca_oob_left+0x320/0x380 [ 12.992181] kasan_report+0x141/0x180 [ 12.992203] ? kasan_alloca_oob_left+0x320/0x380 [ 12.992244] __asan_report_load1_noabort+0x18/0x20 [ 12.992264] kasan_alloca_oob_left+0x320/0x380 [ 12.992288] ? finish_task_switch.isra.0+0x153/0x700 [ 12.992313] ? out_of_line_wait_on_bit_timeout+0xde/0x190 [ 12.992336] ? trace_hardirqs_on+0x37/0xe0 [ 12.992373] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 12.992398] ? __schedule+0x10c6/0x2b60 [ 12.992422] ? __pfx_read_tsc+0x10/0x10 [ 12.992443] ? ktime_get_ts64+0x86/0x230 [ 12.992692] kunit_try_run_case+0x1a5/0x480 [ 12.992722] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.992742] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.992763] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.992787] ? __kthread_parkme+0x82/0x180 [ 12.992809] ? preempt_count_sub+0x50/0x80 [ 12.992833] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.992853] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.992877] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.992900] kthread+0x337/0x6f0 [ 12.992921] ? trace_preempt_on+0x20/0xc0 [ 12.992944] ? __pfx_kthread+0x10/0x10 [ 12.992962] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.992983] ? calculate_sigpending+0x7b/0xa0 [ 12.993005] ? __pfx_kthread+0x10/0x10 [ 12.993023] ret_from_fork+0x41/0x80 [ 12.993044] ? __pfx_kthread+0x10/0x10 [ 12.993062] ret_from_fork_asm+0x1a/0x30 [ 12.993093] </TASK> [ 12.993105] [ 13.008283] The buggy address belongs to stack of task kunit_try_catch/271 [ 13.008660] [ 13.008938] The buggy address belongs to the physical page: [ 13.009530] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103db7 [ 13.010265] flags: 0x200000000000000(node=0|zone=2) [ 13.010634] raw: 0200000000000000 ffffea00040f6dc8 ffffea00040f6dc8 0000000000000000 [ 13.011255] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.011519] page dumped because: kasan: bad access detected [ 13.011719] [ 13.011792] Memory state around the buggy address: [ 13.012244] ffff888103db7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.012586] ffff888103db7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.012868] >ffff888103db7c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 13.013353] ^ [ 13.013612] ffff888103db7c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 13.014037] ffff888103db7d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.014381] ==================================================================