Date
July 5, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.840638] ================================================================== [ 21.840795] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 21.840905] Read of size 1 at addr ffff800080aa7c2a by task kunit_try_catch/250 [ 21.841008] [ 21.841263] CPU: 0 UID: 0 PID: 250 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 21.841481] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.841545] Hardware name: linux,dummy-virt (DT) [ 21.841611] Call trace: [ 21.841660] show_stack+0x20/0x38 (C) [ 21.841771] dump_stack_lvl+0x8c/0xd0 [ 21.841959] print_report+0x310/0x608 [ 21.842341] kasan_report+0xdc/0x128 [ 21.842488] __asan_report_load1_noabort+0x20/0x30 [ 21.842595] kasan_stack_oob+0x238/0x270 [ 21.842702] kunit_try_run_case+0x170/0x3f0 [ 21.842802] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.842911] kthread+0x328/0x630 [ 21.843002] ret_from_fork+0x10/0x20 [ 21.843370] [ 21.843506] The buggy address belongs to stack of task kunit_try_catch/250 [ 21.844085] and is located at offset 138 in frame: [ 21.844208] kasan_stack_oob+0x0/0x270 [ 21.844542] [ 21.844609] This frame has 4 objects: [ 21.844819] [48, 49) '__assertion' [ 21.844923] [64, 72) 'array' [ 21.845028] [96, 112) '__assertion' [ 21.845169] [128, 138) 'stack_array' [ 21.845286] [ 21.845366] The buggy address belongs to the virtual mapping at [ 21.845366] [ffff800080aa0000, ffff800080aa9000) created by: [ 21.845366] kernel_clone+0x150/0x7a8 [ 21.845538] [ 21.845585] The buggy address belongs to the physical page: [ 21.845656] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1079e0 [ 21.845775] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.845957] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 21.846108] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 21.846198] page dumped because: kasan: bad access detected [ 21.846276] [ 21.846386] Memory state around the buggy address: [ 21.846720] ffff800080aa7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.846815] ffff800080aa7b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 21.846901] >ffff800080aa7c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 21.846986] ^ [ 21.847050] ffff800080aa7c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 21.847513] ffff800080aa7d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 21.847730] ==================================================================
[ 15.639600] ================================================================== [ 15.640901] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 15.641268] Read of size 1 at addr ffff888103a47d02 by task kunit_try_catch/267 [ 15.642075] [ 15.642216] CPU: 1 UID: 0 PID: 267 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 15.642408] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.642434] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.642462] Call Trace: [ 15.642481] <TASK> [ 15.642504] dump_stack_lvl+0x73/0xb0 [ 15.642543] print_report+0xd1/0x650 [ 15.642571] ? __virt_addr_valid+0x1db/0x2d0 [ 15.642598] ? kasan_stack_oob+0x2b5/0x300 [ 15.642622] ? kasan_addr_to_slab+0x11/0xa0 [ 15.642660] ? kasan_stack_oob+0x2b5/0x300 [ 15.642684] kasan_report+0x141/0x180 [ 15.642709] ? kasan_stack_oob+0x2b5/0x300 [ 15.642738] __asan_report_load1_noabort+0x18/0x20 [ 15.642766] kasan_stack_oob+0x2b5/0x300 [ 15.642790] ? __pfx_kasan_stack_oob+0x10/0x10 [ 15.642812] ? finish_task_switch.isra.0+0x153/0x700 [ 15.642839] ? __switch_to+0x47/0xf50 [ 15.642870] ? __schedule+0x10cc/0x2b60 [ 15.642896] ? __pfx_read_tsc+0x10/0x10 [ 15.642921] ? ktime_get_ts64+0x86/0x230 [ 15.642951] kunit_try_run_case+0x1a5/0x480 [ 15.642980] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.643006] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.643034] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.643061] ? __kthread_parkme+0x82/0x180 [ 15.643085] ? preempt_count_sub+0x50/0x80 [ 15.643111] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.643141] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.643168] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.643194] kthread+0x337/0x6f0 [ 15.643218] ? trace_preempt_on+0x20/0xc0 [ 15.643246] ? __pfx_kthread+0x10/0x10 [ 15.643271] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.643294] ? calculate_sigpending+0x7b/0xa0 [ 15.643324] ? __pfx_kthread+0x10/0x10 [ 15.643349] ret_from_fork+0x116/0x1d0 [ 15.643370] ? __pfx_kthread+0x10/0x10 [ 15.643393] ret_from_fork_asm+0x1a/0x30 [ 15.643432] </TASK> [ 15.643446] [ 15.657559] The buggy address belongs to stack of task kunit_try_catch/267 [ 15.658282] and is located at offset 138 in frame: [ 15.658604] kasan_stack_oob+0x0/0x300 [ 15.659247] [ 15.659377] This frame has 4 objects: [ 15.659705] [48, 49) '__assertion' [ 15.659739] [64, 72) 'array' [ 15.660013] [96, 112) '__assertion' [ 15.660293] [128, 138) 'stack_array' [ 15.660602] [ 15.661038] The buggy address belongs to the physical page: [ 15.661340] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a47 [ 15.661824] flags: 0x200000000000000(node=0|zone=2) [ 15.662236] raw: 0200000000000000 ffffea00040e91c8 ffffea00040e91c8 0000000000000000 [ 15.662727] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 15.663089] page dumped because: kasan: bad access detected [ 15.663482] [ 15.663600] Memory state around the buggy address: [ 15.663954] ffff888103a47c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 15.664465] ffff888103a47c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 15.664879] >ffff888103a47d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 15.665166] ^ [ 15.665444] ffff888103a47d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 15.666008] ffff888103a47e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.666676] ==================================================================