Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.119487] ================================================================== [ 19.119586] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 19.120042] Read of size 1 at addr ffff800080907c2a by task kunit_try_catch/250 [ 19.120188] [ 19.120310] CPU: 0 UID: 0 PID: 250 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.120641] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.120713] Hardware name: linux,dummy-virt (DT) [ 19.120750] Call trace: [ 19.120808] show_stack+0x20/0x38 (C) [ 19.120919] dump_stack_lvl+0x8c/0xd0 [ 19.121002] print_report+0x310/0x608 [ 19.121069] kasan_report+0xdc/0x128 [ 19.121114] __asan_report_load1_noabort+0x20/0x30 [ 19.121468] kasan_stack_oob+0x238/0x270 [ 19.121640] kunit_try_run_case+0x170/0x3f0 [ 19.121963] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.122111] kthread+0x328/0x630 [ 19.122206] ret_from_fork+0x10/0x20 [ 19.122315] [ 19.122793] The buggy address belongs to stack of task kunit_try_catch/250 [ 19.123100] and is located at offset 138 in frame: [ 19.123166] kasan_stack_oob+0x0/0x270 [ 19.123794] [ 19.124171] This frame has 4 objects: [ 19.124471] [48, 49) '__assertion' [ 19.124880] [64, 72) 'array' [ 19.125034] [96, 112) '__assertion' [ 19.125088] [128, 138) 'stack_array' [ 19.125159] [ 19.125203] The buggy address belongs to the virtual mapping at [ 19.125203] [ffff800080900000, ffff800080909000) created by: [ 19.125203] kernel_clone+0x150/0x7a8 [ 19.125767] [ 19.125821] The buggy address belongs to the physical page: [ 19.125868] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10572f [ 19.125994] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.126153] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.126238] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.126281] page dumped because: kasan: bad access detected [ 19.126517] [ 19.126633] Memory state around the buggy address: [ 19.126773] ffff800080907b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.126919] ffff800080907b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 19.127013] >ffff800080907c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 19.127190] ^ [ 19.127532] ffff800080907c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 19.127624] ffff800080907d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.127721] ==================================================================
[ 13.443416] ================================================================== [ 13.444350] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 13.445100] Read of size 1 at addr ffff88810397fd02 by task kunit_try_catch/266 [ 13.445424] [ 13.445572] CPU: 1 UID: 0 PID: 266 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.445721] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.445738] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.445761] Call Trace: [ 13.445775] <TASK> [ 13.445804] dump_stack_lvl+0x73/0xb0 [ 13.445834] print_report+0xd1/0x650 [ 13.445858] ? __virt_addr_valid+0x1db/0x2d0 [ 13.445881] ? kasan_stack_oob+0x2b5/0x300 [ 13.445900] ? kasan_addr_to_slab+0x11/0xa0 [ 13.445921] ? kasan_stack_oob+0x2b5/0x300 [ 13.445941] kasan_report+0x141/0x180 [ 13.445962] ? kasan_stack_oob+0x2b5/0x300 [ 13.445986] __asan_report_load1_noabort+0x18/0x20 [ 13.446010] kasan_stack_oob+0x2b5/0x300 [ 13.446038] ? __pfx_kasan_stack_oob+0x10/0x10 [ 13.446058] ? finish_task_switch.isra.0+0x153/0x700 [ 13.446080] ? __switch_to+0x47/0xf50 [ 13.446106] ? __schedule+0x10cc/0x2b60 [ 13.446129] ? __pfx_read_tsc+0x10/0x10 [ 13.446149] ? ktime_get_ts64+0x86/0x230 [ 13.446173] kunit_try_run_case+0x1a5/0x480 [ 13.446196] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.446218] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.446241] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.446263] ? __kthread_parkme+0x82/0x180 [ 13.446282] ? preempt_count_sub+0x50/0x80 [ 13.446304] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.446327] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.446349] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.446371] kthread+0x337/0x6f0 [ 13.446390] ? trace_preempt_on+0x20/0xc0 [ 13.446414] ? __pfx_kthread+0x10/0x10 [ 13.446434] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.446456] ? calculate_sigpending+0x7b/0xa0 [ 13.446478] ? __pfx_kthread+0x10/0x10 [ 13.446499] ret_from_fork+0x116/0x1d0 [ 13.446517] ? __pfx_kthread+0x10/0x10 [ 13.446537] ret_from_fork_asm+0x1a/0x30 [ 13.446567] </TASK> [ 13.446578] [ 13.455473] The buggy address belongs to stack of task kunit_try_catch/266 [ 13.456075] and is located at offset 138 in frame: [ 13.456361] kasan_stack_oob+0x0/0x300 [ 13.456785] [ 13.456974] This frame has 4 objects: [ 13.457240] [48, 49) '__assertion' [ 13.457279] [64, 72) 'array' [ 13.457507] [96, 112) '__assertion' [ 13.458048] [128, 138) 'stack_array' [ 13.458259] [ 13.458555] The buggy address belongs to the physical page: [ 13.458910] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10397f [ 13.459401] flags: 0x200000000000000(node=0|zone=2) [ 13.459745] raw: 0200000000000000 ffffea00040e5fc8 ffffea00040e5fc8 0000000000000000 [ 13.460091] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.460428] page dumped because: kasan: bad access detected [ 13.460802] [ 13.460877] Memory state around the buggy address: [ 13.461149] ffff88810397fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.461496] ffff88810397fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 13.461908] >ffff88810397fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.462239] ^ [ 13.462434] ffff88810397fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 13.462903] ffff88810397fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.463221] ==================================================================