Date
May 13, 2025, 12:07 p.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 21.342434] ================================================================== [ 21.343564] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 21.343810] Read of size 1 at addr ffff8000809d7c2a by task kunit_try_catch/249 [ 21.343880] [ 21.346494] CPU: 1 UID: 0 PID: 249 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT [ 21.346614] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.346677] Hardware name: linux,dummy-virt (DT) [ 21.346721] Call trace: [ 21.346756] show_stack+0x20/0x38 (C) [ 21.346907] dump_stack_lvl+0x8c/0xd0 [ 21.347013] print_report+0x310/0x608 [ 21.347138] kasan_report+0xdc/0x128 [ 21.347201] __asan_report_load1_noabort+0x20/0x30 [ 21.347264] kasan_stack_oob+0x238/0x270 [ 21.347338] kunit_try_run_case+0x170/0x3f0 [ 21.347396] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.347458] kthread+0x328/0x630 [ 21.347514] ret_from_fork+0x10/0x20 [ 21.347575] [ 21.347647] The buggy address belongs to stack of task kunit_try_catch/249 [ 21.347780] and is located at offset 138 in frame: [ 21.347851] kasan_stack_oob+0x0/0x270 [ 21.348150] [ 21.348218] This frame has 4 objects: [ 21.348427] [48, 49) '__assertion' [ 21.348482] [64, 72) 'array' [ 21.348522] [96, 112) '__assertion' [ 21.348574] [128, 138) 'stack_array' [ 21.348627] [ 21.348673] The buggy address belongs to the virtual mapping at [ 21.348673] [ffff8000809d0000, ffff8000809d9000) created by: [ 21.348673] kernel_clone+0x150/0x7a8 [ 21.348765] [ 21.348802] The buggy address belongs to the physical page: [ 21.348892] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107791 [ 21.348961] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.349055] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 21.349116] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 21.349183] page dumped because: kasan: bad access detected [ 21.349273] [ 21.349302] Memory state around the buggy address: [ 21.349343] ffff8000809d7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.349397] ffff8000809d7b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 21.349449] >ffff8000809d7c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 21.349519] ^ [ 21.349575] ffff8000809d7c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 21.349647] ffff8000809d7d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 21.349701] ==================================================================
[ 12.925831] ================================================================== [ 12.926502] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 12.926877] Read of size 1 at addr ffff888102b7fd02 by task kunit_try_catch/266 [ 12.927177] [ 12.927311] CPU: 1 UID: 0 PID: 266 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) [ 12.927358] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.927371] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.927391] Call Trace: [ 12.927405] <TASK> [ 12.927420] dump_stack_lvl+0x73/0xb0 [ 12.927450] print_report+0xd1/0x650 [ 12.927473] ? __virt_addr_valid+0x1db/0x2d0 [ 12.927499] ? kasan_stack_oob+0x2b5/0x300 [ 12.927520] ? kasan_addr_to_slab+0x11/0xa0 [ 12.927593] ? kasan_stack_oob+0x2b5/0x300 [ 12.927626] kasan_report+0x141/0x180 [ 12.927650] ? kasan_stack_oob+0x2b5/0x300 [ 12.927676] __asan_report_load1_noabort+0x18/0x20 [ 12.927697] kasan_stack_oob+0x2b5/0x300 [ 12.927719] ? __pfx_kasan_stack_oob+0x10/0x10 [ 12.927739] ? finish_task_switch.isra.0+0x153/0x700 [ 12.927763] ? __switch_to+0x47/0xf50 [ 12.927791] ? __schedule+0x10cc/0x2b60 [ 12.927815] ? __pfx_read_tsc+0x10/0x10 [ 12.927837] ? ktime_get_ts64+0x86/0x230 [ 12.927863] kunit_try_run_case+0x1a5/0x480 [ 12.927889] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.927911] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.927935] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.927958] ? __kthread_parkme+0x82/0x180 [ 12.927980] ? preempt_count_sub+0x50/0x80 [ 12.928004] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.928029] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.928053] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.928076] kthread+0x337/0x6f0 [ 12.928097] ? trace_preempt_on+0x20/0xc0 [ 12.928122] ? __pfx_kthread+0x10/0x10 [ 12.928144] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.928165] ? calculate_sigpending+0x7b/0xa0 [ 12.928200] ? __pfx_kthread+0x10/0x10 [ 12.928224] ret_from_fork+0x116/0x1d0 [ 12.928242] ? __pfx_kthread+0x10/0x10 [ 12.928264] ret_from_fork_asm+0x1a/0x30 [ 12.928298] </TASK> [ 12.928309] [ 12.935823] The buggy address belongs to stack of task kunit_try_catch/266 [ 12.936213] and is located at offset 138 in frame: [ 12.936455] kasan_stack_oob+0x0/0x300 [ 12.936870] [ 12.936986] This frame has 4 objects: [ 12.937208] [48, 49) '__assertion' [ 12.937233] [64, 72) 'array' [ 12.937417] [96, 112) '__assertion' [ 12.937691] [128, 138) 'stack_array' [ 12.937843] [ 12.938034] The buggy address belongs to the physical page: [ 12.938283] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b7f [ 12.938808] flags: 0x200000000000000(node=0|zone=2) [ 12.939167] raw: 0200000000000000 0000000000000000 ffffea00040adfc8 0000000000000000 [ 12.939476] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 12.939832] page dumped because: kasan: bad access detected [ 12.940025] [ 12.940122] Memory state around the buggy address: [ 12.940476] ffff888102b7fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 12.940702] ffff888102b7fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 12.941042] >ffff888102b7fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 12.941633] ^ [ 12.941806] ffff888102b7fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 12.942072] ffff888102b7fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.942509] ==================================================================