Date
May 26, 2025, 9:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.218012] ================================================================== [ 20.218198] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 20.218314] Read of size 1 at addr ffff800080a17b5f by task kunit_try_catch/251 [ 20.218707] [ 20.218854] CPU: 0 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT [ 20.219040] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.219099] Hardware name: linux,dummy-virt (DT) [ 20.219186] Call trace: [ 20.219254] show_stack+0x20/0x38 (C) [ 20.219428] dump_stack_lvl+0x8c/0xd0 [ 20.219514] print_report+0x310/0x608 [ 20.219595] kasan_report+0xdc/0x128 [ 20.219679] __asan_report_load1_noabort+0x20/0x30 [ 20.219793] kasan_alloca_oob_left+0x2b8/0x310 [ 20.219899] kunit_try_run_case+0x170/0x3f0 [ 20.220044] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.220157] kthread+0x328/0x630 [ 20.220461] ret_from_fork+0x10/0x20 [ 20.220583] [ 20.220672] The buggy address belongs to stack of task kunit_try_catch/251 [ 20.220810] [ 20.220874] The buggy address belongs to the virtual mapping at [ 20.220874] [ffff800080a10000, ffff800080a19000) created by: [ 20.220874] kernel_clone+0x150/0x7a8 [ 20.221050] [ 20.221098] The buggy address belongs to the physical page: [ 20.221171] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077f8 [ 20.221298] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.221713] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.221878] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.221998] page dumped because: kasan: bad access detected [ 20.222096] [ 20.222148] Memory state around the buggy address: [ 20.222223] ffff800080a17a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.222330] ffff800080a17a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.222420] >ffff800080a17b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 20.222508] ^ [ 20.222592] ffff800080a17b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 20.222696] ffff800080a17c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.222929] ==================================================================
KNOWN ISSUE - log-parser-boot/kasan-bug-kasan-alloca-out-of-bounds-in-kasan_alloca_oob_left: Failure
[ 12.842691] ================================================================== [ 12.843180] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 12.843522] Read of size 1 at addr ffff88810392fc3f by task kunit_try_catch/269 [ 12.843879] [ 12.843979] CPU: 1 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) [ 12.844024] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.844037] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.844059] Call Trace: [ 12.844070] <TASK> [ 12.844087] dump_stack_lvl+0x73/0xb0 [ 12.844114] print_report+0xd1/0x650 [ 12.844138] ? __virt_addr_valid+0x1db/0x2d0 [ 12.844161] ? kasan_alloca_oob_left+0x320/0x380 [ 12.844183] ? kasan_addr_to_slab+0x11/0xa0 [ 12.844205] ? kasan_alloca_oob_left+0x320/0x380 [ 12.844228] kasan_report+0x141/0x180 [ 12.844250] ? kasan_alloca_oob_left+0x320/0x380 [ 12.844278] __asan_report_load1_noabort+0x18/0x20 [ 12.844299] kasan_alloca_oob_left+0x320/0x380 [ 12.844322] ? irqentry_exit+0x2a/0x60 [ 12.844342] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 12.844369] ? trace_hardirqs_on+0x37/0xe0 [ 12.844407] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 12.844435] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 12.844464] kunit_try_run_case+0x1a5/0x480 [ 12.844488] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.844509] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.844536] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.844561] ? __kthread_parkme+0x82/0x180 [ 12.844582] ? preempt_count_sub+0x50/0x80 [ 12.844605] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.844626] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.844651] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.844675] kthread+0x337/0x6f0 [ 12.844695] ? trace_preempt_on+0x20/0xc0 [ 12.844716] ? __pfx_kthread+0x10/0x10 [ 12.844737] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.844760] ? calculate_sigpending+0x7b/0xa0 [ 12.844840] ? __pfx_kthread+0x10/0x10 [ 12.844865] ret_from_fork+0x116/0x1d0 [ 12.844885] ? __pfx_kthread+0x10/0x10 [ 12.844905] ret_from_fork_asm+0x1a/0x30 [ 12.844936] </TASK> [ 12.844947] [ 12.856493] The buggy address belongs to stack of task kunit_try_catch/269 [ 12.857102] [ 12.857308] The buggy address belongs to the physical page: [ 12.857611] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10392f [ 12.858276] flags: 0x200000000000000(node=0|zone=2) [ 12.858585] raw: 0200000000000000 ffffea00040e4bc8 ffffea00040e4bc8 0000000000000000 [ 12.859276] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 12.859607] page dumped because: kasan: bad access detected [ 12.860021] [ 12.860249] Memory state around the buggy address: [ 12.860692] ffff88810392fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.861231] ffff88810392fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.861647] >ffff88810392fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 12.862211] ^ [ 12.862459] ffff88810392fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 12.862931] ffff88810392fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 12.863436] ==================================================================
KNOWN ISSUE - log-parser-boot/kasan-bug-kasan-alloca-out-of-bounds-in-kasan_alloca_oob_left: Failure