Date
June 25, 2025, 8:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 28.830155] ================================================================== [ 28.830259] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 28.830364] Read of size 1 at addr ffff800080a07c2a by task kunit_try_catch/261 [ 28.830466] [ 28.830508] CPU: 0 UID: 0 PID: 261 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT [ 28.830625] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.830662] Hardware name: linux,dummy-virt (DT) [ 28.830720] Call trace: [ 28.830747] show_stack+0x20/0x38 (C) [ 28.830799] dump_stack_lvl+0x8c/0xd0 [ 28.830881] print_report+0x310/0x608 [ 28.830943] kasan_report+0xdc/0x128 [ 28.831016] __asan_report_load1_noabort+0x20/0x30 [ 28.831067] kasan_stack_oob+0x238/0x270 [ 28.831274] kunit_try_run_case+0x170/0x3f0 [ 28.831499] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.831573] kthread+0x328/0x630 [ 28.831620] ret_from_fork+0x10/0x20 [ 28.831672] [ 28.831741] The buggy address belongs to stack of task kunit_try_catch/261 [ 28.831929] and is located at offset 138 in frame: [ 28.832089] kasan_stack_oob+0x0/0x270 [ 28.832358] [ 28.832426] This frame has 4 objects: [ 28.832772] [48, 49) '__assertion' [ 28.832819] [64, 72) 'array' [ 28.832851] [96, 112) '__assertion' [ 28.832894] [128, 138) 'stack_array' [ 28.832940] [ 28.833279] The buggy address belongs to the virtual mapping at [ 28.833279] [ffff800080a00000, ffff800080a09000) created by: [ 28.833279] kernel_clone+0x150/0x7a8 [ 28.833450] [ 28.833476] The buggy address belongs to the physical page: [ 28.833510] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078e7 [ 28.833573] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 28.833807] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 28.834083] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 28.834236] page dumped because: kasan: bad access detected [ 28.834304] [ 28.834326] Memory state around the buggy address: [ 28.834427] ffff800080a07b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 28.834491] ffff800080a07b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 28.834630] >ffff800080a07c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 28.834672] ^ [ 28.834707] ffff800080a07c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 28.834918] ffff800080a07d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 28.834960] ==================================================================
[ 23.641369] ================================================================== [ 23.641983] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 23.642624] Read of size 1 at addr ffff888102c3fd02 by task kunit_try_catch/278 [ 23.643004] [ 23.643111] CPU: 1 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT(voluntary) [ 23.643159] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.643173] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.643192] Call Trace: [ 23.643205] <TASK> [ 23.643220] dump_stack_lvl+0x73/0xb0 [ 23.643248] print_report+0xd1/0x650 [ 23.643268] ? __virt_addr_valid+0x1db/0x2d0 [ 23.643291] ? kasan_stack_oob+0x2b5/0x300 [ 23.643309] ? kasan_addr_to_slab+0x11/0xa0 [ 23.643328] ? kasan_stack_oob+0x2b5/0x300 [ 23.643346] kasan_report+0x141/0x180 [ 23.643366] ? kasan_stack_oob+0x2b5/0x300 [ 23.643388] __asan_report_load1_noabort+0x18/0x20 [ 23.643410] kasan_stack_oob+0x2b5/0x300 [ 23.643429] ? __pfx_kasan_stack_oob+0x10/0x10 [ 23.643446] ? finish_task_switch.isra.0+0x153/0x700 [ 23.643468] ? __switch_to+0x47/0xf50 [ 23.643494] ? __schedule+0x10cc/0x2b60 [ 23.643519] ? __pfx_read_tsc+0x10/0x10 [ 23.643540] ? ktime_get_ts64+0x86/0x230 [ 23.643564] kunit_try_run_case+0x1a5/0x480 [ 23.643590] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.643611] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 23.643631] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.643655] ? __kthread_parkme+0x82/0x180 [ 23.643674] ? preempt_count_sub+0x50/0x80 [ 23.643695] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.643718] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.643739] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.643763] kthread+0x337/0x6f0 [ 23.643782] ? trace_preempt_on+0x20/0xc0 [ 23.643804] ? __pfx_kthread+0x10/0x10 [ 23.643871] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.643893] ? calculate_sigpending+0x7b/0xa0 [ 23.643916] ? __pfx_kthread+0x10/0x10 [ 23.643948] ret_from_fork+0x116/0x1d0 [ 23.643966] ? __pfx_kthread+0x10/0x10 [ 23.643985] ret_from_fork_asm+0x1a/0x30 [ 23.644016] </TASK> [ 23.644027] [ 23.651042] The buggy address belongs to stack of task kunit_try_catch/278 [ 23.651529] and is located at offset 138 in frame: [ 23.651754] kasan_stack_oob+0x0/0x300 [ 23.652149] [ 23.652267] This frame has 4 objects: [ 23.652540] [48, 49) '__assertion' [ 23.652561] [64, 72) 'array' [ 23.652680] [96, 112) '__assertion' [ 23.652830] [128, 138) 'stack_array' [ 23.653017] [ 23.653190] The buggy address belongs to the physical page: [ 23.653541] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c3f [ 23.654032] flags: 0x200000000000000(node=0|zone=2) [ 23.654197] raw: 0200000000000000 dead000000000100 dead000000000122 0000000000000000 [ 23.654416] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 23.654628] page dumped because: kasan: bad access detected [ 23.655024] [ 23.655129] Memory state around the buggy address: [ 23.655349] ffff888102c3fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 23.655657] ffff888102c3fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 23.655983] >ffff888102c3fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 23.656287] ^ [ 23.656421] ffff888102c3fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 23.656627] ffff888102c3fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.657130] ==================================================================