Date
June 19, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.222513] ================================================================== [ 33.222711] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 33.222867] Read of size 1 at addr ffff800080a17c2a by task kunit_try_catch/260 [ 33.223023] [ 33.223116] CPU: 0 UID: 0 PID: 260 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT [ 33.223343] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.223418] Hardware name: linux,dummy-virt (DT) [ 33.223520] Call trace: [ 33.223576] show_stack+0x20/0x38 (C) [ 33.223728] dump_stack_lvl+0x8c/0xd0 [ 33.223859] print_report+0x310/0x608 [ 33.223987] kasan_report+0xdc/0x128 [ 33.224113] __asan_report_load1_noabort+0x20/0x30 [ 33.224315] kasan_stack_oob+0x238/0x270 [ 33.224446] kunit_try_run_case+0x170/0x3f0 [ 33.224568] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.224697] kthread+0x328/0x630 [ 33.224814] ret_from_fork+0x10/0x20 [ 33.224961] [ 33.225120] The buggy address belongs to stack of task kunit_try_catch/260 [ 33.225358] and is located at offset 138 in frame: [ 33.225454] kasan_stack_oob+0x0/0x270 [ 33.225758] [ 33.225842] This frame has 4 objects: [ 33.226049] [48, 49) '__assertion' [ 33.226149] [64, 72) 'array' [ 33.226243] [96, 112) '__assertion' [ 33.226346] [128, 138) 'stack_array' [ 33.226443] [ 33.226517] The buggy address belongs to the virtual mapping at [ 33.226517] [ffff800080a10000, ffff800080a19000) created by: [ 33.226517] kernel_clone+0x150/0x7a8 [ 33.226699] [ 33.226758] The buggy address belongs to the physical page: [ 33.226939] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107679 [ 33.227133] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.227298] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 33.227433] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.227543] page dumped because: kasan: bad access detected [ 33.227629] [ 33.227678] Memory state around the buggy address: [ 33.227764] ffff800080a17b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.227888] ffff800080a17b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 33.228005] >ffff800080a17c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 33.228115] ^ [ 33.228196] ffff800080a17c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 33.228338] ffff800080a17d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 33.228444] ==================================================================
[ 29.191342] ================================================================== [ 29.192487] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 29.192978] Read of size 1 at addr ffff888103aa7d02 by task kunit_try_catch/278 [ 29.193239] [ 29.193386] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) [ 29.193489] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.193514] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.193769] Call Trace: [ 29.193819] <TASK> [ 29.193873] dump_stack_lvl+0x73/0xb0 [ 29.193944] print_report+0xd1/0x650 [ 29.194096] ? __virt_addr_valid+0x1db/0x2d0 [ 29.194197] ? kasan_stack_oob+0x2b5/0x300 [ 29.194240] ? kasan_addr_to_slab+0x11/0xa0 [ 29.194279] ? kasan_stack_oob+0x2b5/0x300 [ 29.194316] kasan_report+0x141/0x180 [ 29.194362] ? kasan_stack_oob+0x2b5/0x300 [ 29.194409] __asan_report_load1_noabort+0x18/0x20 [ 29.194502] kasan_stack_oob+0x2b5/0x300 [ 29.194566] ? __pfx_kasan_stack_oob+0x10/0x10 [ 29.194607] ? finish_task_switch.isra.0+0x153/0x700 [ 29.194656] ? __switch_to+0x47/0xf50 [ 29.194748] ? __schedule+0x10cc/0x2b60 [ 29.194817] ? __pfx_read_tsc+0x10/0x10 [ 29.194859] ? ktime_get_ts64+0x86/0x230 [ 29.194910] kunit_try_run_case+0x1a5/0x480 [ 29.194967] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.195097] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 29.195147] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.195174] ? __kthread_parkme+0x82/0x180 [ 29.195198] ? preempt_count_sub+0x50/0x80 [ 29.195224] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.195250] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.195277] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.195303] kthread+0x337/0x6f0 [ 29.195325] ? trace_preempt_on+0x20/0xc0 [ 29.195351] ? __pfx_kthread+0x10/0x10 [ 29.195375] ? _raw_spin_unlock_irq+0x47/0x80 [ 29.195399] ? calculate_sigpending+0x7b/0xa0 [ 29.195426] ? __pfx_kthread+0x10/0x10 [ 29.195451] ret_from_fork+0x116/0x1d0 [ 29.195473] ? __pfx_kthread+0x10/0x10 [ 29.195496] ret_from_fork_asm+0x1a/0x30 [ 29.195530] </TASK> [ 29.195545] [ 29.206506] The buggy address belongs to stack of task kunit_try_catch/278 [ 29.207621] and is located at offset 138 in frame: [ 29.208340] kasan_stack_oob+0x0/0x300 [ 29.208844] [ 29.209334] This frame has 4 objects: [ 29.209854] [48, 49) '__assertion' [ 29.209913] [64, 72) 'array' [ 29.210085] [96, 112) '__assertion' [ 29.210267] [128, 138) 'stack_array' [ 29.210506] [ 29.211182] The buggy address belongs to the physical page: [ 29.211683] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103aa7 [ 29.212645] flags: 0x200000000000000(node=0|zone=2) [ 29.212917] raw: 0200000000000000 ffffea00040ea9c8 ffffea00040ea9c8 0000000000000000 [ 29.213758] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 29.214686] page dumped because: kasan: bad access detected [ 29.215287] [ 29.215542] Memory state around the buggy address: [ 29.215878] ffff888103aa7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 29.216579] ffff888103aa7c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 29.216845] >ffff888103aa7d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 29.217364] ^ [ 29.217820] ffff888103aa7d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 29.218690] ffff888103aa7e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.219457] ==================================================================