Date
June 17, 2025, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.171591] ================================================================== [ 19.171692] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 19.171762] Read of size 1 at addr ffff800080a57c2a by task kunit_try_catch/258 [ 19.171818] [ 19.171856] CPU: 1 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT [ 19.171978] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.172009] Hardware name: linux,dummy-virt (DT) [ 19.172045] Call trace: [ 19.172074] show_stack+0x20/0x38 (C) [ 19.172128] dump_stack_lvl+0x8c/0xd0 [ 19.172192] print_report+0x310/0x608 [ 19.172245] kasan_report+0xdc/0x128 [ 19.172294] __asan_report_load1_noabort+0x20/0x30 [ 19.172353] kasan_stack_oob+0x238/0x270 [ 19.172402] kunit_try_run_case+0x170/0x3f0 [ 19.172454] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.172512] kthread+0x328/0x630 [ 19.172568] ret_from_fork+0x10/0x20 [ 19.172621] [ 19.172681] The buggy address belongs to stack of task kunit_try_catch/258 [ 19.172811] and is located at offset 138 in frame: [ 19.172851] kasan_stack_oob+0x0/0x270 [ 19.172991] [ 19.173025] This frame has 4 objects: [ 19.173117] [48, 49) '__assertion' [ 19.173154] [64, 72) 'array' [ 19.173188] [96, 112) '__assertion' [ 19.173234] [128, 138) 'stack_array' [ 19.173633] [ 19.173688] The buggy address belongs to the virtual mapping at [ 19.173688] [ffff800080a50000, ffff800080a59000) created by: [ 19.173688] kernel_clone+0x150/0x7a8 [ 19.173778] [ 19.173821] The buggy address belongs to the physical page: [ 19.173859] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1050af [ 19.173937] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.174006] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.174104] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.174308] page dumped because: kasan: bad access detected [ 19.174375] [ 19.174415] Memory state around the buggy address: [ 19.174453] ffff800080a57b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.174522] ffff800080a57b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 19.174588] >ffff800080a57c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 19.174692] ^ [ 19.174763] ffff800080a57c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 19.174883] ffff800080a57d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.174961] ==================================================================
[ 20.614649] ================================================================== [ 20.615760] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 20.616350] Read of size 1 at addr ffff888103ad7d02 by task kunit_try_catch/276 [ 20.617156] [ 20.617638] CPU: 0 UID: 0 PID: 276 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT(voluntary) [ 20.617864] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.617907] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 20.617969] Call Trace: [ 20.618055] <TASK> [ 20.618114] dump_stack_lvl+0x73/0xb0 [ 20.618316] print_report+0xd1/0x650 [ 20.618402] ? __virt_addr_valid+0x1db/0x2d0 [ 20.618789] ? kasan_stack_oob+0x2b5/0x300 [ 20.619015] ? kasan_addr_to_slab+0x11/0xa0 [ 20.619053] ? kasan_stack_oob+0x2b5/0x300 [ 20.619084] kasan_report+0x141/0x180 [ 20.619117] ? kasan_stack_oob+0x2b5/0x300 [ 20.619152] __asan_report_load1_noabort+0x18/0x20 [ 20.619189] kasan_stack_oob+0x2b5/0x300 [ 20.619224] ? __pfx_kasan_stack_oob+0x10/0x10 [ 20.619290] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 20.619374] ? __pfx_kasan_stack_oob+0x10/0x10 [ 20.619412] kunit_try_run_case+0x1a5/0x480 [ 20.619450] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.619482] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 20.619511] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 20.619557] ? __kthread_parkme+0x82/0x180 [ 20.619588] ? preempt_count_sub+0x50/0x80 [ 20.619620] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.619652] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.619686] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 20.619720] kthread+0x337/0x6f0 [ 20.619748] ? trace_preempt_on+0x20/0xc0 [ 20.619783] ? __pfx_kthread+0x10/0x10 [ 20.619813] ? _raw_spin_unlock_irq+0x47/0x80 [ 20.619873] ? calculate_sigpending+0x7b/0xa0 [ 20.619912] ? __pfx_kthread+0x10/0x10 [ 20.619942] ret_from_fork+0x116/0x1d0 [ 20.619969] ? __pfx_kthread+0x10/0x10 [ 20.619997] ret_from_fork_asm+0x1a/0x30 [ 20.620038] </TASK> [ 20.620053] [ 20.638809] The buggy address belongs to stack of task kunit_try_catch/276 [ 20.639713] and is located at offset 138 in frame: [ 20.640090] kasan_stack_oob+0x0/0x300 [ 20.640846] [ 20.641089] This frame has 4 objects: [ 20.641714] [48, 49) '__assertion' [ 20.641781] [64, 72) 'array' [ 20.642040] [96, 112) '__assertion' [ 20.642374] [128, 138) 'stack_array' [ 20.642692] [ 20.643639] The buggy address belongs to the physical page: [ 20.644167] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103ad7 [ 20.644963] flags: 0x200000000000000(node=0|zone=2) [ 20.645564] raw: 0200000000000000 ffffea00040eb5c8 ffffea00040eb5c8 0000000000000000 [ 20.646577] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 20.647131] page dumped because: kasan: bad access detected [ 20.647734] [ 20.647909] Memory state around the buggy address: [ 20.648498] ffff888103ad7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 20.649078] ffff888103ad7c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 20.649769] >ffff888103ad7d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 20.650605] ^ [ 20.650931] ffff888103ad7d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 20.651642] ffff888103ad7e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.652376] ==================================================================