Date
July 8, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.440315] ================================================================== [ 33.440411] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 33.440476] Read of size 1 at addr ffff800080b27c2a by task kunit_try_catch/280 [ 33.440885] [ 33.440977] CPU: 0 UID: 0 PID: 280 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250708 #1 PREEMPT [ 33.441192] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.441243] Hardware name: linux,dummy-virt (DT) [ 33.441280] Call trace: [ 33.441309] show_stack+0x20/0x38 (C) [ 33.441527] dump_stack_lvl+0x8c/0xd0 [ 33.441648] print_report+0x310/0x5d0 [ 33.441794] kasan_report+0xdc/0x128 [ 33.441871] __asan_report_load1_noabort+0x20/0x30 [ 33.441930] kasan_stack_oob+0x238/0x270 [ 33.442095] kunit_try_run_case+0x170/0x3f0 [ 33.442276] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.442429] kthread+0x328/0x630 [ 33.442507] ret_from_fork+0x10/0x20 [ 33.442583] [ 33.442859] The buggy address belongs to stack of task kunit_try_catch/280 [ 33.443134] and is located at offset 138 in frame: [ 33.443250] kasan_stack_oob+0x0/0x270 [ 33.443755] [ 33.443812] This frame has 4 objects: [ 33.443985] [48, 49) '__assertion' [ 33.444040] [64, 72) 'array' [ 33.444087] [96, 112) '__assertion' [ 33.444132] [128, 138) 'stack_array' [ 33.444190] [ 33.444231] The buggy address ffff800080b27c2a belongs to a vmalloc virtual mapping [ 33.444275] The buggy address belongs to the physical page: [ 33.444309] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109ad2 [ 33.444401] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.444469] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 33.444520] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.444912] page dumped because: kasan: bad access detected [ 33.445162] [ 33.445229] Memory state around the buggy address: [ 33.445266] ffff800080b27b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.445599] ffff800080b27b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 33.445664] >ffff800080b27c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 33.445795] ^ [ 33.445859] ffff800080b27c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 33.446076] ffff800080b27d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 33.446163] ==================================================================
[ 25.209331] ================================================================== [ 25.209815] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 25.210061] Read of size 1 at addr ffff8881026a7d02 by task kunit_try_catch/297 [ 25.210290] [ 25.210381] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250708 #1 PREEMPT(voluntary) [ 25.210435] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.210447] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.210471] Call Trace: [ 25.210485] <TASK> [ 25.210506] dump_stack_lvl+0x73/0xb0 [ 25.210537] print_report+0xd1/0x610 [ 25.210559] ? __virt_addr_valid+0x1db/0x2d0 [ 25.210584] ? kasan_stack_oob+0x2b5/0x300 [ 25.210611] ? kasan_addr_to_slab+0x11/0xa0 [ 25.210631] ? kasan_stack_oob+0x2b5/0x300 [ 25.210658] kasan_report+0x141/0x180 [ 25.210682] ? kasan_stack_oob+0x2b5/0x300 [ 25.210714] __asan_report_load1_noabort+0x18/0x20 [ 25.210741] kasan_stack_oob+0x2b5/0x300 [ 25.210767] ? __pfx_kasan_stack_oob+0x10/0x10 [ 25.210794] ? finish_task_switch.isra.0+0x153/0x700 [ 25.210817] ? __switch_to+0x47/0xf50 [ 25.210847] ? __schedule+0x10cc/0x2b60 [ 25.210877] ? __pfx_read_tsc+0x10/0x10 [ 25.210901] ? ktime_get_ts64+0x86/0x230 [ 25.210927] kunit_try_run_case+0x1a5/0x480 [ 25.210950] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.210970] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.210991] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.211020] ? __kthread_parkme+0x82/0x180 [ 25.211040] ? preempt_count_sub+0x50/0x80 [ 25.211063] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.211087] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.211114] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.211142] kthread+0x337/0x6f0 [ 25.211163] ? trace_preempt_on+0x20/0xc0 [ 25.211189] ? __pfx_kthread+0x10/0x10 [ 25.211210] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.211604] ? calculate_sigpending+0x7b/0xa0 [ 25.211650] ? __pfx_kthread+0x10/0x10 [ 25.211675] ret_from_fork+0x116/0x1d0 [ 25.211697] ? __pfx_kthread+0x10/0x10 [ 25.211720] ret_from_fork_asm+0x1a/0x30 [ 25.211989] </TASK> [ 25.212007] [ 25.226451] The buggy address belongs to stack of task kunit_try_catch/297 [ 25.226770] and is located at offset 138 in frame: [ 25.227398] kasan_stack_oob+0x0/0x300 [ 25.227724] [ 25.227839] This frame has 4 objects: [ 25.228258] [48, 49) '__assertion' [ 25.228287] [64, 72) 'array' [ 25.228558] [96, 112) '__assertion' [ 25.228736] [128, 138) 'stack_array' [ 25.228979] [ 25.229297] The buggy address belongs to the physical page: [ 25.229570] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a7 [ 25.229983] flags: 0x200000000000000(node=0|zone=2) [ 25.230307] raw: 0200000000000000 dead000000000100 dead000000000122 0000000000000000 [ 25.230624] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 25.231149] page dumped because: kasan: bad access detected [ 25.231383] [ 25.231455] Memory state around the buggy address: [ 25.231649] ffff8881026a7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 25.232362] ffff8881026a7c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 25.232632] >ffff8881026a7d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 25.233200] ^ [ 25.233400] ffff8881026a7d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 25.233664] ffff8881026a7e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.234395] ==================================================================