Date
July 18, 2025, 1:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.768356] ================================================================== [ 33.768492] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 33.768550] Read of size 1 at addr ffff800080a97c2a by task kunit_try_catch/280 [ 33.768611] [ 33.768647] CPU: 0 UID: 0 PID: 280 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250718 #1 PREEMPT [ 33.769024] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.769138] Hardware name: linux,dummy-virt (DT) [ 33.769416] Call trace: [ 33.769464] show_stack+0x20/0x38 (C) [ 33.769537] dump_stack_lvl+0x8c/0xd0 [ 33.769598] print_report+0x310/0x5e8 [ 33.769998] kasan_report+0xdc/0x128 [ 33.770097] __asan_report_load1_noabort+0x20/0x30 [ 33.770152] kasan_stack_oob+0x238/0x270 [ 33.770200] kunit_try_run_case+0x170/0x3f0 [ 33.770359] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.770425] kthread+0x328/0x630 [ 33.770529] ret_from_fork+0x10/0x20 [ 33.770836] [ 33.771008] The buggy address belongs to stack of task kunit_try_catch/280 [ 33.771192] and is located at offset 138 in frame: [ 33.771238] kasan_stack_oob+0x0/0x270 [ 33.771379] [ 33.771413] This frame has 4 objects: [ 33.771511] [48, 49) '__assertion' [ 33.771547] [64, 72) 'array' [ 33.771729] [96, 112) '__assertion' [ 33.772026] [128, 138) 'stack_array' [ 33.772100] [ 33.772128] The buggy address belongs to a 8-page vmalloc region starting at 0xffff800080a90000 allocated at kernel_clone+0x150/0x7b0 [ 33.772815] The buggy address belongs to the physical page: [ 33.772927] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a9a [ 33.773024] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.773478] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 33.773575] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.773655] page dumped because: kasan: bad access detected [ 33.773773] [ 33.773831] Memory state around the buggy address: [ 33.773892] ffff800080a97b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.773988] ffff800080a97b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 33.774061] >ffff800080a97c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 33.774112] ^ [ 33.774158] ffff800080a97c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 33.774204] ffff800080a97d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 33.774253] ==================================================================
[ 26.672095] ================================================================== [ 26.672600] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 26.672849] Read of size 1 at addr ffff88810635fd02 by task kunit_try_catch/297 [ 26.673068] [ 26.673154] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250718 #1 PREEMPT(voluntary) [ 26.673206] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.673219] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.673242] Call Trace: [ 26.673255] <TASK> [ 26.673312] dump_stack_lvl+0x73/0xb0 [ 26.673348] print_report+0xd1/0x640 [ 26.673371] ? __virt_addr_valid+0x1db/0x2d0 [ 26.673398] ? kasan_stack_oob+0x2b5/0x300 [ 26.673417] ? kasan_addr_to_slab+0x11/0xa0 [ 26.673466] ? kasan_stack_oob+0x2b5/0x300 [ 26.673486] kasan_report+0x141/0x180 [ 26.673507] ? kasan_stack_oob+0x2b5/0x300 [ 26.673531] __asan_report_load1_noabort+0x18/0x20 [ 26.673555] kasan_stack_oob+0x2b5/0x300 [ 26.673574] ? __pfx_kasan_stack_oob+0x10/0x10 [ 26.673593] ? finish_task_switch.isra.0+0x153/0x700 [ 26.673615] ? __switch_to+0x47/0xf80 [ 26.673643] ? __schedule+0x10da/0x2b60 [ 26.673726] ? __pfx_read_tsc+0x10/0x10 [ 26.673749] ? ktime_get_ts64+0x86/0x230 [ 26.673776] kunit_try_run_case+0x1a5/0x480 [ 26.673815] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.673837] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 26.673872] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.673905] ? __kthread_parkme+0x82/0x180 [ 26.673926] ? preempt_count_sub+0x50/0x80 [ 26.673948] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.673971] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.673994] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.674016] kthread+0x337/0x6f0 [ 26.674036] ? trace_preempt_on+0x20/0xc0 [ 26.674059] ? __pfx_kthread+0x10/0x10 [ 26.674079] ? _raw_spin_unlock_irq+0x47/0x80 [ 26.674109] ? calculate_sigpending+0x7b/0xa0 [ 26.674171] ? __pfx_kthread+0x10/0x10 [ 26.674192] ret_from_fork+0x116/0x1d0 [ 26.674211] ? __pfx_kthread+0x10/0x10 [ 26.674243] ret_from_fork_asm+0x1a/0x30 [ 26.674303] </TASK> [ 26.674316] [ 26.687118] The buggy address belongs to stack of task kunit_try_catch/297 [ 26.687786] and is located at offset 138 in frame: [ 26.688102] kasan_stack_oob+0x0/0x300 [ 26.688442] [ 26.688538] This frame has 4 objects: [ 26.688738] [48, 49) '__assertion' [ 26.688764] [64, 72) 'array' [ 26.688959] [96, 112) '__assertion' [ 26.689128] [128, 138) 'stack_array' [ 26.689332] [ 26.689556] The buggy address belongs to the physical page: [ 26.689800] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10635f [ 26.690091] flags: 0x200000000000000(node=0|zone=2) [ 26.690287] raw: 0200000000000000 ffffea000418d7c8 ffffea000418d7c8 0000000000000000 [ 26.690618] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 26.690908] page dumped because: kasan: bad access detected [ 26.691076] [ 26.691162] Memory state around the buggy address: [ 26.691466] ffff88810635fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 26.691786] ffff88810635fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 26.692096] >ffff88810635fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 26.692367] ^ [ 26.692528] ffff88810635fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 26.692879] ffff88810635fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.693162] ==================================================================