Date
July 19, 2025, 11:11 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.446867] ================================================================== [ 17.446941] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 17.446994] Read of size 1 at addr ffff800080a77c2a by task kunit_try_catch/250 [ 17.447140] [ 17.447371] CPU: 1 UID: 0 PID: 250 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.447939] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.448086] Hardware name: linux,dummy-virt (DT) [ 17.448352] Call trace: [ 17.448376] show_stack+0x20/0x38 (C) [ 17.448429] dump_stack_lvl+0x8c/0xd0 [ 17.448477] print_report+0x310/0x5d0 [ 17.448525] kasan_report+0xdc/0x128 [ 17.448583] __asan_report_load1_noabort+0x20/0x30 [ 17.448635] kasan_stack_oob+0x238/0x270 [ 17.448690] kunit_try_run_case+0x170/0x3f0 [ 17.449076] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.449219] kthread+0x328/0x630 [ 17.449787] ret_from_fork+0x10/0x20 [ 17.449847] [ 17.450441] The buggy address belongs to stack of task kunit_try_catch/250 [ 17.450690] and is located at offset 138 in frame: [ 17.450731] kasan_stack_oob+0x0/0x270 [ 17.450859] [ 17.450891] This frame has 4 objects: [ 17.451504] [48, 49) '__assertion' [ 17.451716] [64, 72) 'array' [ 17.451794] [96, 112) '__assertion' [ 17.451937] [128, 138) 'stack_array' [ 17.451985] [ 17.452013] The buggy address ffff800080a77c2a belongs to a vmalloc virtual mapping [ 17.452060] The buggy address belongs to the physical page: [ 17.452094] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106e85 [ 17.452154] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.452219] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 17.452720] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 17.452771] page dumped because: kasan: bad access detected [ 17.453095] [ 17.453198] Memory state around the buggy address: [ 17.453309] ffff800080a77b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.453357] ffff800080a77b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 17.453472] >ffff800080a77c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 17.453664] ^ [ 17.454033] ffff800080a77c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 17.454298] ffff800080a77d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 17.454340] ==================================================================
[ 13.830279] ================================================================== [ 13.831412] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 13.831827] Read of size 1 at addr ffff8881039c7d02 by task kunit_try_catch/267 [ 13.832374] [ 13.832826] CPU: 1 UID: 0 PID: 267 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.832879] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.832891] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.832914] Call Trace: [ 13.832927] <TASK> [ 13.832943] dump_stack_lvl+0x73/0xb0 [ 13.832973] print_report+0xd1/0x610 [ 13.832996] ? __virt_addr_valid+0x1db/0x2d0 [ 13.833019] ? kasan_stack_oob+0x2b5/0x300 [ 13.833038] ? kasan_addr_to_slab+0x11/0xa0 [ 13.833059] ? kasan_stack_oob+0x2b5/0x300 [ 13.833078] kasan_report+0x141/0x180 [ 13.833099] ? kasan_stack_oob+0x2b5/0x300 [ 13.833123] __asan_report_load1_noabort+0x18/0x20 [ 13.833147] kasan_stack_oob+0x2b5/0x300 [ 13.833218] ? __pfx_kasan_stack_oob+0x10/0x10 [ 13.833239] ? finish_task_switch.isra.0+0x153/0x700 [ 13.833263] ? __switch_to+0x47/0xf50 [ 13.833290] ? __schedule+0x10cc/0x2b60 [ 13.833312] ? __pfx_read_tsc+0x10/0x10 [ 13.833333] ? ktime_get_ts64+0x86/0x230 [ 13.833356] kunit_try_run_case+0x1a5/0x480 [ 13.833383] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.833405] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.833429] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.833452] ? __kthread_parkme+0x82/0x180 [ 13.833473] ? preempt_count_sub+0x50/0x80 [ 13.833509] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.833533] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.833557] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.833582] kthread+0x337/0x6f0 [ 13.833600] ? trace_preempt_on+0x20/0xc0 [ 13.833623] ? __pfx_kthread+0x10/0x10 [ 13.833643] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.833664] ? calculate_sigpending+0x7b/0xa0 [ 13.833689] ? __pfx_kthread+0x10/0x10 [ 13.833710] ret_from_fork+0x116/0x1d0 [ 13.833727] ? __pfx_kthread+0x10/0x10 [ 13.833747] ret_from_fork_asm+0x1a/0x30 [ 13.833777] </TASK> [ 13.833788] [ 13.845082] The buggy address belongs to stack of task kunit_try_catch/267 [ 13.845817] and is located at offset 138 in frame: [ 13.846228] kasan_stack_oob+0x0/0x300 [ 13.846847] [ 13.846971] This frame has 4 objects: [ 13.847469] [48, 49) '__assertion' [ 13.847516] [64, 72) 'array' [ 13.847688] [96, 112) '__assertion' [ 13.847831] [128, 138) 'stack_array' [ 13.848303] [ 13.848601] The buggy address belongs to the physical page: [ 13.848833] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039c7 [ 13.849532] flags: 0x200000000000000(node=0|zone=2) [ 13.849885] raw: 0200000000000000 ffffea00040e71c8 ffffea00040e71c8 0000000000000000 [ 13.850266] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.850853] page dumped because: kasan: bad access detected [ 13.851349] [ 13.851453] Memory state around the buggy address: [ 13.851766] ffff8881039c7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.852238] ffff8881039c7c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 13.852565] >ffff8881039c7d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.852933] ^ [ 13.853167] ffff8881039c7d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 13.853733] ffff8881039c7e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.854129] ==================================================================