Date
July 22, 2025, 5:13 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.542329] ================================================================== [ 32.542478] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 32.543009] Read of size 1 at addr ffff800080b37c2a by task kunit_try_catch/280 [ 32.543354] [ 32.543426] CPU: 1 UID: 0 PID: 280 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250722 #1 PREEMPT [ 32.543524] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 32.543564] Hardware name: linux,dummy-virt (DT) [ 32.543598] Call trace: [ 32.543623] show_stack+0x20/0x38 (C) [ 32.543676] dump_stack_lvl+0x8c/0xd0 [ 32.543863] print_report+0x310/0x5e8 [ 32.543953] kasan_report+0xdc/0x128 [ 32.544117] __asan_report_load1_noabort+0x20/0x30 [ 32.544181] kasan_stack_oob+0x238/0x270 [ 32.544358] kunit_try_run_case+0x170/0x3f0 [ 32.544615] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.544901] kthread+0x328/0x630 [ 32.545185] ret_from_fork+0x10/0x20 [ 32.545479] [ 32.546330] The buggy address belongs to stack of task kunit_try_catch/280 [ 32.546623] and is located at offset 138 in frame: [ 32.546799] kasan_stack_oob+0x0/0x270 [ 32.547206] [ 32.547416] This frame has 4 objects: [ 32.547896] [48, 49) '__assertion' [ 32.548284] [64, 72) 'array' [ 32.548337] [96, 112) '__assertion' [ 32.548538] [128, 138) 'stack_array' [ 32.548596] [ 32.548900] The buggy address belongs to a 8-page vmalloc region starting at 0xffff800080b30000 allocated at kernel_clone+0x150/0x7b0 [ 32.549081] The buggy address belongs to the physical page: [ 32.549257] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109253 [ 32.549542] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.549659] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 32.549736] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 32.550145] page dumped because: kasan: bad access detected [ 32.550204] [ 32.550356] Memory state around the buggy address: [ 32.550440] ffff800080b37b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.550708] ffff800080b37b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 32.550760] >ffff800080b37c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 32.551148] ^ [ 32.551206] ffff800080b37c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 32.551378] ffff800080b37d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 32.551424] ==================================================================
[ 26.896660] ================================================================== [ 26.897296] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 26.897564] Read of size 1 at addr ffff8881062d7d02 by task kunit_try_catch/297 [ 26.898051] [ 26.898159] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250722 #1 PREEMPT(voluntary) [ 26.898208] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.898223] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.898243] Call Trace: [ 26.898257] <TASK> [ 26.898270] dump_stack_lvl+0x73/0xb0 [ 26.898300] print_report+0xd1/0x640 [ 26.898322] ? __virt_addr_valid+0x1db/0x2d0 [ 26.898346] ? kasan_stack_oob+0x2b5/0x300 [ 26.898367] ? kasan_addr_to_slab+0x11/0xa0 [ 26.898388] ? kasan_stack_oob+0x2b5/0x300 [ 26.898409] kasan_report+0x141/0x180 [ 26.898432] ? kasan_stack_oob+0x2b5/0x300 [ 26.898635] __asan_report_load1_noabort+0x18/0x20 [ 26.898671] kasan_stack_oob+0x2b5/0x300 [ 26.898693] ? __pfx_kasan_stack_oob+0x10/0x10 [ 26.898715] ? __kasan_check_write+0x18/0x20 [ 26.898739] ? queued_spin_lock_slowpath+0x116/0xb40 [ 26.898766] ? irqentry_exit+0x2a/0x60 [ 26.898787] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 26.898816] ? __pfx_read_tsc+0x10/0x10 [ 26.898854] ? ktime_get_ts64+0x86/0x230 [ 26.898879] kunit_try_run_case+0x1a5/0x480 [ 26.898905] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.898930] ? queued_spin_lock_slowpath+0x116/0xb40 [ 26.898956] ? __kthread_parkme+0x82/0x180 [ 26.898977] ? preempt_count_sub+0x50/0x80 [ 26.899001] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.899025] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.899050] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.899074] kthread+0x337/0x6f0 [ 26.899094] ? trace_preempt_on+0x20/0xc0 [ 26.899117] ? __pfx_kthread+0x10/0x10 [ 26.899139] ? _raw_spin_unlock_irq+0x47/0x80 [ 26.899174] ? calculate_sigpending+0x7b/0xa0 [ 26.899198] ? __pfx_kthread+0x10/0x10 [ 26.899221] ret_from_fork+0x116/0x1d0 [ 26.899240] ? __pfx_kthread+0x10/0x10 [ 26.899261] ret_from_fork_asm+0x1a/0x30 [ 26.899292] </TASK> [ 26.899303] [ 26.911069] The buggy address belongs to stack of task kunit_try_catch/297 [ 26.911381] and is located at offset 138 in frame: [ 26.911746] kasan_stack_oob+0x0/0x300 [ 26.912080] [ 26.912200] This frame has 4 objects: [ 26.912449] [48, 49) '__assertion' [ 26.912665] [64, 72) 'array' [ 26.912818] [96, 112) '__assertion' [ 26.913013] [128, 138) 'stack_array' [ 26.913179] [ 26.913428] The buggy address belongs to the physical page: [ 26.913753] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1062d7 [ 26.914115] flags: 0x200000000000000(node=0|zone=2) [ 26.914382] raw: 0200000000000000 ffffea000418b5c8 ffffea000418b5c8 0000000000000000 [ 26.914693] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 26.915051] page dumped because: kasan: bad access detected [ 26.915265] [ 26.915332] Memory state around the buggy address: [ 26.915536] ffff8881062d7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 26.915881] ffff8881062d7c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 26.916122] >ffff8881062d7d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 26.916616] ^ [ 26.916758] ffff8881062d7d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 26.917091] ffff8881062d7e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.917412] ==================================================================