Date
July 17, 2025, 10:12 a.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 31.814917] ================================================================== [ 31.814994] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 31.815091] Read of size 1 at addr ffff800080bf7c2a by task kunit_try_catch/280 [ 31.815172] [ 31.815205] CPU: 0 UID: 0 PID: 280 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250717 #1 PREEMPT [ 31.815303] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.815360] Hardware name: linux,dummy-virt (DT) [ 31.815394] Call trace: [ 31.815420] show_stack+0x20/0x38 (C) [ 31.815473] dump_stack_lvl+0x8c/0xd0 [ 31.815615] print_report+0x310/0x5d0 [ 31.815666] kasan_report+0xdc/0x128 [ 31.815712] __asan_report_load1_noabort+0x20/0x30 [ 31.815790] kasan_stack_oob+0x238/0x270 [ 31.815865] kunit_try_run_case+0x170/0x3f0 [ 31.815930] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.816002] kthread+0x328/0x630 [ 31.816045] ret_from_fork+0x10/0x20 [ 31.816153] [ 31.816244] The buggy address belongs to stack of task kunit_try_catch/280 [ 31.816401] and is located at offset 138 in frame: [ 31.816450] kasan_stack_oob+0x0/0x270 [ 31.816733] [ 31.816766] This frame has 4 objects: [ 31.816853] [48, 49) '__assertion' [ 31.817181] [64, 72) 'array' [ 31.817223] [96, 112) '__assertion' [ 31.817375] [128, 138) 'stack_array' [ 31.817527] [ 31.817579] The buggy address ffff800080bf7c2a belongs to a vmalloc virtual mapping [ 31.817627] The buggy address belongs to the physical page: [ 31.817684] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109b35 [ 31.817856] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.817920] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 31.818038] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 31.818189] page dumped because: kasan: bad access detected [ 31.818671] ^ [ 31.823526] [ 31.823701] Call trace: [ 31.825223] The buggy address belongs to the physical page: [ 31.826131] ^ [ 31.832461] Read of size 1 at addr ffff800080c17b4a by task kunit_try_catch/284 [ 31.833812] kthread+0x328/0x630 [ 31.835301] [ 31.835559] ^ [ 31.851660] ==================================================================
[ 27.445413] ================================================================== [ 27.446009] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 27.446257] Read of size 1 at addr ffff8881061e7d02 by task kunit_try_catch/298 [ 27.447518] [ 27.447929] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250717 #1 PREEMPT(voluntary) [ 27.447990] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.448138] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.448165] Call Trace: [ 27.448178] <TASK> [ 27.448195] dump_stack_lvl+0x73/0xb0 [ 27.448228] print_report+0xd1/0x610 [ 27.448402] ? __virt_addr_valid+0x1db/0x2d0 [ 27.448427] ? kasan_stack_oob+0x2b5/0x300 [ 27.448448] ? kasan_addr_to_slab+0x11/0xa0 [ 27.448467] ? kasan_stack_oob+0x2b5/0x300 [ 27.448487] kasan_report+0x141/0x180 [ 27.448509] ? kasan_stack_oob+0x2b5/0x300 [ 27.448534] __asan_report_load1_noabort+0x18/0x20 [ 27.448557] kasan_stack_oob+0x2b5/0x300 [ 27.448577] ? __pfx_kasan_stack_oob+0x10/0x10 [ 27.448595] ? finish_task_switch.isra.0+0x153/0x700 [ 27.448616] ? __switch_to+0x47/0xf80 [ 27.448643] ? __schedule+0x10c6/0x2b60 [ 27.448666] ? __pfx_read_tsc+0x10/0x10 [ 27.448686] ? ktime_get_ts64+0x86/0x230 [ 27.448710] kunit_try_run_case+0x1a5/0x480 [ 27.448732] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.448754] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.448775] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.448798] ? __kthread_parkme+0x82/0x180 [ 27.448822] ? preempt_count_sub+0x50/0x80 [ 27.448844] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.448867] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.448889] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.448912] kthread+0x337/0x6f0 [ 27.448931] ? trace_preempt_on+0x20/0xc0 [ 27.448953] ? __pfx_kthread+0x10/0x10 [ 27.448973] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.448994] ? calculate_sigpending+0x7b/0xa0 [ 27.449016] ? __pfx_kthread+0x10/0x10 [ 27.449037] ret_from_fork+0x116/0x1d0 [ 27.449055] ? __pfx_kthread+0x10/0x10 [ 27.449091] ret_from_fork_asm+0x1a/0x30 [ 27.449123] </TASK> [ 27.449133] [ 27.461636] The buggy address belongs to stack of task kunit_try_catch/298 [ 27.462016] and is located at offset 138 in frame: [ 27.462500] kasan_stack_oob+0x0/0x300 [ 27.463028] [ 27.463314] This frame has 4 objects: [ 27.463891] [48, 49) '__assertion' [ 27.463924] [64, 72) 'array' [ 27.464111] [96, 112) '__assertion' [ 27.464395] [128, 138) 'stack_array' [ 27.464754] [ 27.465178] The buggy address belongs to the physical page: [ 27.465563] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1061e7 [ 27.465864] flags: 0x200000000000000(node=0|zone=2) [ 27.466255] raw: 0200000000000000 ffffea00041879c8 ffffea00041879c8 0000000000000000 [ 27.466752] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 27.467145] page dumped because: kasan: bad access detected [ 27.467513] [ 27.467600] Memory state around the buggy address: [ 27.467776] ffff8881061e7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 27.468092] ffff8881061e7c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 27.468813] >ffff8881061e7d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 27.469194] ^ [ 27.469318] ffff8881061e7d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 27.469918] ffff8881061e7e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.470515] ==================================================================