Date
July 8, 2025, 7:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.499468] ================================================================== [ 21.499531] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270 [ 21.499932] Read of size 1 at addr ffff9d16efb4f58d by task kunit_try_catch/245 [ 21.500186] [ 21.500295] CPU: 0 UID: 0 PID: 245 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.500477] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.500506] Hardware name: linux,dummy-virt (DT) [ 21.500567] Call trace: [ 21.500590] show_stack+0x20/0x38 (C) [ 21.500780] dump_stack_lvl+0x8c/0xd0 [ 21.500969] print_report+0x310/0x608 [ 21.501021] kasan_report+0xdc/0x128 [ 21.501504] __asan_report_load1_noabort+0x20/0x30 [ 21.501631] kasan_global_oob_right+0x230/0x270 [ 21.501855] kunit_try_run_case+0x170/0x3f0 [ 21.501932] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.502160] kthread+0x328/0x630 [ 21.502349] ret_from_fork+0x10/0x20 [ 21.502461] [ 21.502720] The buggy address belongs to the variable: [ 21.502963] global_array+0xd/0x40 [ 21.503206] [ 21.503986] The buggy address belongs to the virtual mapping at [ 21.503986] [ffff9d16edd00000, ffff9d16efc01000) created by: [ 21.503986] paging_init+0x66c/0x7d0 [ 21.504208] [ 21.505144] The buggy address belongs to the physical page: [ 21.505229] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47d4f [ 21.505304] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff) [ 21.505380] raw: 03fffe0000002000 ffffc1ffc01f53c8 ffffc1ffc01f53c8 0000000000000000 [ 21.505573] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 21.505660] page dumped because: kasan: bad access detected [ 21.506216] [ 21.506241] Memory state around the buggy address: [ 21.506425] ffff9d16efb4f480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.506687] ffff9d16efb4f500: 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 f9 [ 21.507040] >ffff9d16efb4f580: 00 02 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 [ 21.507100] ^ [ 21.507379] ffff9d16efb4f600: 00 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 [ 21.507483] ffff9d16efb4f680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.507533] ==================================================================
[ 14.780435] ================================================================== [ 14.781848] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0 [ 14.782416] Read of size 1 at addr ffffffff93063e8d by task kunit_try_catch/262 [ 14.782950] [ 14.783232] CPU: 1 UID: 0 PID: 262 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.783283] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.783296] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.783318] Call Trace: [ 14.783330] <TASK> [ 14.783347] dump_stack_lvl+0x73/0xb0 [ 14.783406] print_report+0xd1/0x650 [ 14.783440] ? __virt_addr_valid+0x1db/0x2d0 [ 14.783465] ? kasan_global_oob_right+0x286/0x2d0 [ 14.783485] ? kasan_addr_to_slab+0x11/0xa0 [ 14.783504] ? kasan_global_oob_right+0x286/0x2d0 [ 14.783525] kasan_report+0x141/0x180 [ 14.783547] ? kasan_global_oob_right+0x286/0x2d0 [ 14.783573] __asan_report_load1_noabort+0x18/0x20 [ 14.783597] kasan_global_oob_right+0x286/0x2d0 [ 14.783618] ? __pfx_kasan_global_oob_right+0x10/0x10 [ 14.783639] ? __kasan_check_write+0x18/0x20 [ 14.783657] ? queued_spin_lock_slowpath+0x116/0xb40 [ 14.783680] ? irqentry_exit+0x2a/0x60 [ 14.783704] ? trace_hardirqs_on+0x37/0xe0 [ 14.783727] ? __pfx_read_tsc+0x10/0x10 [ 14.783748] ? ktime_get_ts64+0x86/0x230 [ 14.783771] kunit_try_run_case+0x1a5/0x480 [ 14.783796] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.783819] ? queued_spin_lock_slowpath+0x116/0xb40 [ 14.783841] ? __kthread_parkme+0x82/0x180 [ 14.783861] ? preempt_count_sub+0x50/0x80 [ 14.783885] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.783908] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.783930] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.783953] kthread+0x337/0x6f0 [ 14.783972] ? trace_preempt_on+0x20/0xc0 [ 14.783993] ? __pfx_kthread+0x10/0x10 [ 14.784013] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.784034] ? calculate_sigpending+0x7b/0xa0 [ 14.784068] ? __pfx_kthread+0x10/0x10 [ 14.784089] ret_from_fork+0x116/0x1d0 [ 14.784106] ? __pfx_kthread+0x10/0x10 [ 14.784126] ret_from_fork_asm+0x1a/0x30 [ 14.784158] </TASK> [ 14.784170] [ 14.796720] The buggy address belongs to the variable: [ 14.797022] global_array+0xd/0x40 [ 14.797421] [ 14.797579] The buggy address belongs to the physical page: [ 14.797845] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x122463 [ 14.798309] flags: 0x200000000002000(reserved|node=0|zone=2) [ 14.798613] raw: 0200000000002000 ffffea00048918c8 ffffea00048918c8 0000000000000000 [ 14.798954] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 14.799437] page dumped because: kasan: bad access detected [ 14.799753] [ 14.799824] Memory state around the buggy address: [ 14.800013] ffffffff93063d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.800405] ffffffff93063e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.800743] >ffffffff93063e80: 00 02 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 [ 14.801260] ^ [ 14.801442] ffffffff93063f00: 04 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9 f9 f9 f9 f9 [ 14.801777] ffffffff93063f80: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00 [ 14.802275] ==================================================================