Date
July 15, 2025, 2:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.028930] ================================================================== [ 20.028999] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270 [ 20.029059] Read of size 1 at addr ffff977f49c035ad by task kunit_try_catch/247 [ 20.029112] [ 20.029169] CPU: 0 UID: 0 PID: 247 Comm: kunit_try_catch Tainted: G B N 6.15.7-rc1 #1 PREEMPT [ 20.029273] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.029302] Hardware name: linux,dummy-virt (DT) [ 20.029333] Call trace: [ 20.029353] show_stack+0x20/0x38 (C) [ 20.029403] dump_stack_lvl+0x8c/0xd0 [ 20.029451] print_report+0x310/0x5d0 [ 20.029496] kasan_report+0xdc/0x128 [ 20.029541] __asan_report_load1_noabort+0x20/0x30 [ 20.029624] kasan_global_oob_right+0x230/0x270 [ 20.030185] kunit_try_run_case+0x170/0x3f0 [ 20.030396] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.030453] kthread+0x328/0x630 [ 20.030821] ret_from_fork+0x10/0x20 [ 20.030977] [ 20.031116] The buggy address belongs to the variable: [ 20.031293] global_array+0xd/0x40 [ 20.031362] [ 20.031468] The buggy address ffff977f49c035ad belongs to a vmalloc virtual mapping [ 20.031667] The buggy address belongs to the physical page: [ 20.031723] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47c03 [ 20.031789] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff) [ 20.031857] raw: 03fffe0000002000 ffffc1ffc01f00c8 ffffc1ffc01f00c8 0000000000000000 [ 20.031908] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.031949] page dumped because: kasan: bad access detected [ 20.031982] [ 20.032000] Memory state around the buggy address: [ 20.032040] ffff977f49c03480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.032085] ffff977f49c03500: 00 00 00 00 00 00 00 00 00 00 00 00 02 f9 f9 f9 [ 20.032134] >ffff977f49c03580: f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 [ 20.032174] ^ [ 20.032224] ffff977f49c03600: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 [ 20.032268] ffff977f49c03680: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.032307] ==================================================================
[ 12.762246] ================================================================== [ 12.762806] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0 [ 12.763405] Read of size 1 at addr ffffffff9ba4532d by task kunit_try_catch/264 [ 12.763633] [ 12.763842] CPU: 0 UID: 0 PID: 264 Comm: kunit_try_catch Tainted: G B N 6.15.7-rc1 #1 PREEMPT(voluntary) [ 12.763900] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.763911] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.763930] Call Trace: [ 12.763941] <TASK> [ 12.763993] dump_stack_lvl+0x73/0xb0 [ 12.764019] print_report+0xd1/0x610 [ 12.764041] ? __virt_addr_valid+0x1db/0x2d0 [ 12.764073] ? kasan_global_oob_right+0x286/0x2d0 [ 12.764122] ? kasan_addr_to_slab+0x11/0xa0 [ 12.764143] ? kasan_global_oob_right+0x286/0x2d0 [ 12.764164] kasan_report+0x141/0x180 [ 12.764196] ? kasan_global_oob_right+0x286/0x2d0 [ 12.764223] __asan_report_load1_noabort+0x18/0x20 [ 12.764243] kasan_global_oob_right+0x286/0x2d0 [ 12.764264] ? __pfx_kasan_global_oob_right+0x10/0x10 [ 12.764288] ? __schedule+0x10cc/0x2b60 [ 12.764311] ? __pfx_read_tsc+0x10/0x10 [ 12.764330] ? ktime_get_ts64+0x86/0x230 [ 12.764354] kunit_try_run_case+0x1a5/0x480 [ 12.764375] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.764392] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.764415] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.764438] ? __kthread_parkme+0x82/0x180 [ 12.764459] ? preempt_count_sub+0x50/0x80 [ 12.764483] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.764502] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.764525] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.764547] kthread+0x337/0x6f0 [ 12.764563] ? trace_preempt_on+0x20/0xc0 [ 12.764585] ? __pfx_kthread+0x10/0x10 [ 12.764602] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.764623] ? calculate_sigpending+0x7b/0xa0 [ 12.764643] ? __pfx_kthread+0x10/0x10 [ 12.764661] ret_from_fork+0x41/0x80 [ 12.764680] ? __pfx_kthread+0x10/0x10 [ 12.764744] ret_from_fork_asm+0x1a/0x30 [ 12.764777] </TASK> [ 12.764787] [ 12.776556] The buggy address belongs to the variable: [ 12.776790] global_array+0xd/0x40 [ 12.777244] [ 12.777423] The buggy address belongs to the physical page: [ 12.778077] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x135c45 [ 12.778892] flags: 0x200000000002000(reserved|node=0|zone=2) [ 12.779217] raw: 0200000000002000 ffffea0004d71148 ffffea0004d71148 0000000000000000 [ 12.779448] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 12.779673] page dumped because: kasan: bad access detected [ 12.779998] [ 12.780436] Memory state around the buggy address: [ 12.780684] ffffffff9ba45200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.781147] ffffffff9ba45280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.781580] >ffffffff9ba45300: 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 [ 12.781853] ^ [ 12.782214] ffffffff9ba45380: f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9 [ 12.782460] ffffffff9ba45400: f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 [ 12.782859] ==================================================================