Date
July 1, 2025, 11:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.942222] ================================================================== [ 20.942350] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 20.943551] Read of size 1 at addr ffff800080a97c2a by task kunit_try_catch/250 [ 20.943679] [ 20.943772] CPU: 0 UID: 0 PID: 250 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.943972] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.944061] Hardware name: linux,dummy-virt (DT) [ 20.944101] Call trace: [ 20.944140] show_stack+0x20/0x38 (C) [ 20.944205] dump_stack_lvl+0x8c/0xd0 [ 20.944260] print_report+0x310/0x608 [ 20.944311] kasan_report+0xdc/0x128 [ 20.944360] __asan_report_load1_noabort+0x20/0x30 [ 20.945092] kasan_stack_oob+0x238/0x270 [ 20.945281] kunit_try_run_case+0x170/0x3f0 [ 20.945833] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.945913] kthread+0x328/0x630 [ 20.946032] ret_from_fork+0x10/0x20 [ 20.946120] [ 20.946237] The buggy address belongs to stack of task kunit_try_catch/250 [ 20.946408] and is located at offset 138 in frame: [ 20.946456] kasan_stack_oob+0x0/0x270 [ 20.946664] [ 20.946713] This frame has 4 objects: [ 20.946871] [48, 49) '__assertion' [ 20.946913] [64, 72) 'array' [ 20.946950] [96, 112) '__assertion' [ 20.947005] [128, 138) 'stack_array' [ 20.947072] [ 20.947127] The buggy address belongs to the virtual mapping at [ 20.947127] [ffff800080a90000, ffff800080a99000) created by: [ 20.947127] kernel_clone+0x150/0x7a8 [ 20.947827] [ 20.948156] The buggy address belongs to the physical page: [ 20.948237] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076c6 [ 20.948333] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.948801] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.949757] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.949828] page dumped because: kasan: bad access detected [ 20.949916] [ 20.949972] Memory state around the buggy address: [ 20.950041] ffff800080a97b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.950517] ffff800080a97b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 20.950673] >ffff800080a97c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 20.951152] ^ [ 20.951324] ffff800080a97c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 20.951483] ffff800080a97d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.951710] ==================================================================
[ 13.331346] ================================================================== [ 13.332245] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 13.332550] Read of size 1 at addr ffff8881039e7d02 by task kunit_try_catch/266 [ 13.332989] [ 13.333101] CPU: 1 UID: 0 PID: 266 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.333151] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.333164] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.333186] Call Trace: [ 13.333201] <TASK> [ 13.333220] dump_stack_lvl+0x73/0xb0 [ 13.333252] print_report+0xd1/0x650 [ 13.333277] ? __virt_addr_valid+0x1db/0x2d0 [ 13.333302] ? kasan_stack_oob+0x2b5/0x300 [ 13.333320] ? kasan_addr_to_slab+0x11/0xa0 [ 13.333340] ? kasan_stack_oob+0x2b5/0x300 [ 13.333359] kasan_report+0x141/0x180 [ 13.333392] ? kasan_stack_oob+0x2b5/0x300 [ 13.333416] __asan_report_load1_noabort+0x18/0x20 [ 13.333440] kasan_stack_oob+0x2b5/0x300 [ 13.333458] ? __pfx_kasan_stack_oob+0x10/0x10 [ 13.333477] ? finish_task_switch.isra.0+0x153/0x700 [ 13.333501] ? __switch_to+0x47/0xf50 [ 13.333528] ? __schedule+0x10cc/0x2b60 [ 13.333550] ? __pfx_read_tsc+0x10/0x10 [ 13.333583] ? ktime_get_ts64+0x86/0x230 [ 13.333608] kunit_try_run_case+0x1a5/0x480 [ 13.333634] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.333655] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.333679] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.333700] ? __kthread_parkme+0x82/0x180 [ 13.333722] ? preempt_count_sub+0x50/0x80 [ 13.333744] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.333766] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.333789] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.333811] kthread+0x337/0x6f0 [ 13.333830] ? trace_preempt_on+0x20/0xc0 [ 13.333854] ? __pfx_kthread+0x10/0x10 [ 13.333873] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.333894] ? calculate_sigpending+0x7b/0xa0 [ 13.333918] ? __pfx_kthread+0x10/0x10 [ 13.333949] ret_from_fork+0x116/0x1d0 [ 13.333966] ? __pfx_kthread+0x10/0x10 [ 13.333985] ret_from_fork_asm+0x1a/0x30 [ 13.334018] </TASK> [ 13.334030] [ 13.341707] The buggy address belongs to stack of task kunit_try_catch/266 [ 13.342002] and is located at offset 138 in frame: [ 13.342274] kasan_stack_oob+0x0/0x300 [ 13.342609] [ 13.342737] This frame has 4 objects: [ 13.342987] [48, 49) '__assertion' [ 13.343010] [64, 72) 'array' [ 13.343181] [96, 112) '__assertion' [ 13.343303] [128, 138) 'stack_array' [ 13.343488] [ 13.343861] The buggy address belongs to the physical page: [ 13.344080] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039e7 [ 13.344412] flags: 0x200000000000000(node=0|zone=2) [ 13.344639] raw: 0200000000000000 ffffea00040e79c8 ffffea00040e79c8 0000000000000000 [ 13.344869] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.345093] page dumped because: kasan: bad access detected [ 13.345303] [ 13.345649] Memory state around the buggy address: [ 13.345884] ffff8881039e7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.346670] ffff8881039e7c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 13.346894] >ffff8881039e7d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.347249] ^ [ 13.347426] ffff8881039e7d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 13.347730] ffff8881039e7e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.348088] ==================================================================