Date
July 22, 2025, 2:40 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.342157] ================================================================== [ 19.342236] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270 [ 19.342330] Read of size 1 at addr ffff9b0a4fc035ad by task kunit_try_catch/247 [ 19.342380] [ 19.342437] CPU: 1 UID: 0 PID: 247 Comm: kunit_try_catch Tainted: G B N 6.15.8-rc1 #1 PREEMPT [ 19.342518] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.342546] Hardware name: linux,dummy-virt (DT) [ 19.342594] Call trace: [ 19.342617] show_stack+0x20/0x38 (C) [ 19.342678] dump_stack_lvl+0x8c/0xd0 [ 19.343065] print_report+0x310/0x5d0 [ 19.343146] kasan_report+0xdc/0x128 [ 19.343589] __asan_report_load1_noabort+0x20/0x30 [ 19.343761] kasan_global_oob_right+0x230/0x270 [ 19.343825] kunit_try_run_case+0x170/0x3f0 [ 19.343914] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.343967] kthread+0x328/0x630 [ 19.344020] ret_from_fork+0x10/0x20 [ 19.344202] [ 19.344263] The buggy address belongs to the variable: [ 19.344309] global_array+0xd/0x40 [ 19.344391] [ 19.344455] The buggy address ffff9b0a4fc035ad belongs to a vmalloc virtual mapping [ 19.344678] The buggy address belongs to the physical page: [ 19.344735] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47c03 [ 19.344801] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff) [ 19.344903] raw: 03fffe0000002000 ffffc1ffc01f00c8 ffffc1ffc01f00c8 0000000000000000 [ 19.344954] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.344993] page dumped because: kasan: bad access detected [ 19.345025] [ 19.345044] Memory state around the buggy address: [ 19.345083] ffff9b0a4fc03480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.345134] ffff9b0a4fc03500: 00 00 00 00 00 00 00 00 00 00 00 00 02 f9 f9 f9 [ 19.345186] >ffff9b0a4fc03580: f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 [ 19.345233] ^ [ 19.345264] ffff9b0a4fc03600: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 [ 19.345823] ffff9b0a4fc03680: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.345928] ==================================================================
[ 12.931787] ================================================================== [ 12.933400] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0 [ 12.934559] Read of size 1 at addr ffffffffb264532d by task kunit_try_catch/265 [ 12.935124] [ 12.935270] CPU: 0 UID: 0 PID: 265 Comm: kunit_try_catch Tainted: G B N 6.15.8-rc1 #1 PREEMPT(voluntary) [ 12.935320] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.935334] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.935383] Call Trace: [ 12.935396] <TASK> [ 12.935413] dump_stack_lvl+0x73/0xb0 [ 12.935441] print_report+0xd1/0x610 [ 12.935665] ? __virt_addr_valid+0x1db/0x2d0 [ 12.935717] ? kasan_global_oob_right+0x286/0x2d0 [ 12.935737] ? kasan_addr_to_slab+0x11/0xa0 [ 12.935758] ? kasan_global_oob_right+0x286/0x2d0 [ 12.935780] kasan_report+0x141/0x180 [ 12.935803] ? kasan_global_oob_right+0x286/0x2d0 [ 12.935830] __asan_report_load1_noabort+0x18/0x20 [ 12.935850] kasan_global_oob_right+0x286/0x2d0 [ 12.935872] ? __pfx_kasan_global_oob_right+0x10/0x10 [ 12.935897] ? __schedule+0x10c6/0x2b60 [ 12.935921] ? __pfx_read_tsc+0x10/0x10 [ 12.935940] ? ktime_get_ts64+0x86/0x230 [ 12.935965] kunit_try_run_case+0x1a5/0x480 [ 12.935987] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.936005] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.936025] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.936048] ? __kthread_parkme+0x82/0x180 [ 12.936069] ? preempt_count_sub+0x50/0x80 [ 12.936094] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.936114] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.936136] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.936159] kthread+0x337/0x6f0 [ 12.936175] ? trace_preempt_on+0x20/0xc0 [ 12.936198] ? __pfx_kthread+0x10/0x10 [ 12.936215] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.936247] ? calculate_sigpending+0x7b/0xa0 [ 12.936268] ? __pfx_kthread+0x10/0x10 [ 12.936286] ret_from_fork+0x41/0x80 [ 12.936306] ? __pfx_kthread+0x10/0x10 [ 12.936323] ret_from_fork_asm+0x1a/0x30 [ 12.936370] </TASK> [ 12.936381] [ 12.951170] The buggy address belongs to the variable: [ 12.951804] global_array+0xd/0x40 [ 12.952112] [ 12.952208] The buggy address belongs to the physical page: [ 12.952512] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ba45 [ 12.953320] flags: 0x100000000002000(reserved|node=0|zone=1) [ 12.953941] raw: 0100000000002000 ffffea0000ae9148 ffffea0000ae9148 0000000000000000 [ 12.954609] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 12.954848] page dumped because: kasan: bad access detected [ 12.955021] [ 12.955089] Memory state around the buggy address: [ 12.955261] ffffffffb2645200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.955920] ffffffffb2645280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.956461] >ffffffffb2645300: 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 [ 12.957111] ^ [ 12.957279] ffffffffb2645380: f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9 [ 12.957972] ffffffffb2645400: f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 [ 12.958615] ==================================================================