Date
June 23, 2025, 1:39 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 27.861659] ================================================================== [ 27.862203] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270 [ 27.862410] Read of size 1 at addr ffffa42c39e035ad by task kunit_try_catch/247 [ 27.862553] [ 27.862965] CPU: 0 UID: 0 PID: 247 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT [ 27.863379] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.863486] Hardware name: linux,dummy-virt (DT) [ 27.863718] Call trace: [ 27.863781] show_stack+0x20/0x38 (C) [ 27.864156] dump_stack_lvl+0x8c/0xd0 [ 27.864411] print_report+0x310/0x608 [ 27.864693] kasan_report+0xdc/0x128 [ 27.864945] __asan_report_load1_noabort+0x20/0x30 [ 27.865091] kasan_global_oob_right+0x230/0x270 [ 27.866007] kunit_try_run_case+0x170/0x3f0 [ 27.866741] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.867094] kthread+0x328/0x630 [ 27.867213] ret_from_fork+0x10/0x20 [ 27.868743] [ 27.869211] The buggy address belongs to the variable: [ 27.869904] global_array+0xd/0x40 [ 27.870159] [ 27.870816] The buggy address belongs to the virtual mapping at [ 27.870816] [ffffa42c38020000, ffffa42c39ec1000) created by: [ 27.870816] paging_init+0x66c/0x7d0 [ 27.871053] [ 27.871369] The buggy address belongs to the physical page: [ 27.871727] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47c03 [ 27.871863] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff) [ 27.872033] raw: 03fffe0000002000 ffffc1ffc01f00c8 ffffc1ffc01f00c8 0000000000000000 [ 27.872411] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 27.873051] page dumped because: kasan: bad access detected [ 27.873335] [ 27.873453] Memory state around the buggy address: [ 27.873626] ffffa42c39e03480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.873804] ffffa42c39e03500: 00 00 00 00 00 00 00 00 00 00 00 00 02 f9 f9 f9 [ 27.874123] >ffffa42c39e03580: f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 [ 27.874272] ^ [ 27.874350] ffffa42c39e03600: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 [ 27.875036] ffffa42c39e03680: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.875150] ==================================================================
[ 19.876301] ================================================================== [ 19.877388] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0 [ 19.878324] Read of size 1 at addr ffffffffa8c4232d by task kunit_try_catch/266 [ 19.879228] [ 19.879858] CPU: 0 UID: 0 PID: 266 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT(voluntary) [ 19.879986] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.880022] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.880080] Call Trace: [ 19.880121] <TASK> [ 19.880162] dump_stack_lvl+0x73/0xb0 [ 19.880237] print_report+0xd1/0x650 [ 19.880308] ? __virt_addr_valid+0x1db/0x2d0 [ 19.880344] ? kasan_global_oob_right+0x286/0x2d0 [ 19.880379] ? kasan_addr_to_slab+0x11/0xa0 [ 19.880410] ? kasan_global_oob_right+0x286/0x2d0 [ 19.880442] kasan_report+0x141/0x180 [ 19.880476] ? kasan_global_oob_right+0x286/0x2d0 [ 19.880515] __asan_report_load1_noabort+0x18/0x20 [ 19.880545] kasan_global_oob_right+0x286/0x2d0 [ 19.880577] ? __pfx_kasan_global_oob_right+0x10/0x10 [ 19.880682] ? __schedule+0x10cc/0x2b60 [ 19.880748] ? __pfx_read_tsc+0x10/0x10 [ 19.880780] ? ktime_get_ts64+0x86/0x230 [ 19.880819] kunit_try_run_case+0x1a5/0x480 [ 19.880858] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.880893] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.880928] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.880965] ? __kthread_parkme+0x82/0x180 [ 19.880998] ? preempt_count_sub+0x50/0x80 [ 19.881034] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.881071] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.881105] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.881140] kthread+0x337/0x6f0 [ 19.881164] ? trace_preempt_on+0x20/0xc0 [ 19.881199] ? __pfx_kthread+0x10/0x10 [ 19.881257] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.881300] ? calculate_sigpending+0x7b/0xa0 [ 19.881334] ? __pfx_kthread+0x10/0x10 [ 19.881360] ret_from_fork+0x41/0x80 [ 19.881393] ? __pfx_kthread+0x10/0x10 [ 19.881419] ret_from_fork_asm+0x1a/0x30 [ 19.881463] </TASK> [ 19.881477] [ 19.901081] The buggy address belongs to the variable: [ 19.901536] global_array+0xd/0x40 [ 19.902271] [ 19.902573] The buggy address belongs to the physical page: [ 19.903460] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a42 [ 19.904345] flags: 0x200000000002000(reserved|node=0|zone=2) [ 19.904993] raw: 0200000000002000 ffffea0004269088 ffffea0004269088 0000000000000000 [ 19.905926] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.906786] page dumped because: kasan: bad access detected [ 19.907305] [ 19.908000] Memory state around the buggy address: [ 19.908410] ffffffffa8c42200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.909053] ffffffffa8c42280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.909655] >ffffffffa8c42300: 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 [ 19.910308] ^ [ 19.911186] ffffffffa8c42380: f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9 [ 19.911732] ffffffffa8c42400: f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 [ 19.912514] ==================================================================