Date
May 15, 2025, 10:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.065811] ================================================================== [ 20.065906] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 20.066015] Read of size 1 at addr ffff800080a37b5f by task kunit_try_catch/251 [ 20.066191] [ 20.066230] CPU: 0 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT [ 20.066323] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.066352] Hardware name: linux,dummy-virt (DT) [ 20.066384] Call trace: [ 20.066409] show_stack+0x20/0x38 (C) [ 20.066462] dump_stack_lvl+0x8c/0xd0 [ 20.066630] print_report+0x310/0x608 [ 20.066712] kasan_report+0xdc/0x128 [ 20.066797] __asan_report_load1_noabort+0x20/0x30 [ 20.066893] kasan_alloca_oob_left+0x2b8/0x310 [ 20.066972] kunit_try_run_case+0x170/0x3f0 [ 20.067064] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.067129] kthread+0x328/0x630 [ 20.067189] ret_from_fork+0x10/0x20 [ 20.067241] [ 20.067264] The buggy address belongs to stack of task kunit_try_catch/251 [ 20.067427] [ 20.067523] The buggy address belongs to the virtual mapping at [ 20.067523] [ffff800080a30000, ffff800080a39000) created by: [ 20.067523] kernel_clone+0x150/0x7a8 [ 20.067637] [ 20.067694] The buggy address belongs to the physical page: [ 20.067735] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1068f7 [ 20.067789] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.067944] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.068051] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.068119] page dumped because: kasan: bad access detected [ 20.068179] [ 20.068231] Memory state around the buggy address: [ 20.068309] ffff800080a37a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.068396] ffff800080a37a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.068459] >ffff800080a37b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 20.068498] ^ [ 20.068725] ffff800080a37b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 20.068803] ffff800080a37c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.068885] ==================================================================
KNOWN ISSUE - log-parser-boot/kasan-bug-kasan-alloca-out-of-bounds-in-kasan_alloca_oob_left: Failure
[ 16.112393] ================================================================== [ 16.113251] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 16.113856] Read of size 1 at addr ffff888103bc7c3f by task kunit_try_catch/269 [ 16.114448] [ 16.114652] CPU: 1 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) [ 16.114796] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.114824] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.114861] Call Trace: [ 16.114887] <TASK> [ 16.114923] dump_stack_lvl+0x73/0xb0 [ 16.114983] print_report+0xd1/0x650 [ 16.115029] ? __virt_addr_valid+0x1db/0x2d0 [ 16.115075] ? kasan_alloca_oob_left+0x320/0x380 [ 16.115116] ? kasan_addr_to_slab+0x11/0xa0 [ 16.115150] ? kasan_alloca_oob_left+0x320/0x380 [ 16.115190] kasan_report+0x141/0x180 [ 16.115240] ? kasan_alloca_oob_left+0x320/0x380 [ 16.115334] __asan_report_load1_noabort+0x18/0x20 [ 16.115400] kasan_alloca_oob_left+0x320/0x380 [ 16.115443] ? __pfx_sched_clock_cpu+0x10/0x10 [ 16.115484] ? finish_task_switch.isra.0+0x153/0x700 [ 16.115519] ? rt_mutex_adjust_prio_chain+0x68e/0x20e0 [ 16.115556] ? trace_hardirqs_on+0x37/0xe0 [ 16.115760] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 16.115804] ? __schedule+0x10cc/0x2b60 [ 16.115858] ? __pfx_read_tsc+0x10/0x10 [ 16.115882] ? ktime_get_ts64+0x86/0x230 [ 16.115906] kunit_try_run_case+0x1a5/0x480 [ 16.115933] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.115954] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.115976] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.115997] ? __kthread_parkme+0x82/0x180 [ 16.116018] ? preempt_count_sub+0x50/0x80 [ 16.116041] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.116062] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.116083] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.116104] kthread+0x337/0x6f0 [ 16.116123] ? trace_preempt_on+0x20/0xc0 [ 16.116144] ? __pfx_kthread+0x10/0x10 [ 16.116163] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.116183] ? calculate_sigpending+0x7b/0xa0 [ 16.116206] ? __pfx_kthread+0x10/0x10 [ 16.116248] ret_from_fork+0x116/0x1d0 [ 16.116269] ? __pfx_kthread+0x10/0x10 [ 16.116288] ret_from_fork_asm+0x1a/0x30 [ 16.116318] </TASK> [ 16.116332] [ 16.127218] The buggy address belongs to stack of task kunit_try_catch/269 [ 16.128313] [ 16.128683] The buggy address belongs to the physical page: [ 16.129255] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103bc7 [ 16.129858] flags: 0x200000000000000(node=0|zone=2) [ 16.130198] raw: 0200000000000000 ffffea00040ef1c8 ffffea00040ef1c8 0000000000000000 [ 16.130836] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 16.131234] page dumped because: kasan: bad access detected [ 16.131448] [ 16.131601] Memory state around the buggy address: [ 16.131903] ffff888103bc7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.132329] ffff888103bc7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.132700] >ffff888103bc7c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 16.132928] ^ [ 16.133642] ffff888103bc7c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 16.134098] ffff888103bc7d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 16.134515] ==================================================================
KNOWN ISSUE - log-parser-boot/kasan-bug-kasan-alloca-out-of-bounds-in-kasan_alloca_oob_left: Failure