Date
July 9, 2025, 11:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.417850] ================================================================== [ 16.417919] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 16.417974] Write of size 1 at addr fff00000c76e600a by task kunit_try_catch/146 [ 16.418023] [ 16.418058] CPU: 1 UID: 0 PID: 146 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.418155] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.418200] Hardware name: linux,dummy-virt (DT) [ 16.418240] Call trace: [ 16.418270] show_stack+0x20/0x38 (C) [ 16.418331] dump_stack_lvl+0x8c/0xd0 [ 16.418395] print_report+0x118/0x608 [ 16.418441] kasan_report+0xdc/0x128 [ 16.418485] __asan_report_store1_noabort+0x20/0x30 [ 16.418534] kmalloc_large_oob_right+0x278/0x2b8 [ 16.418579] kunit_try_run_case+0x170/0x3f0 [ 16.418636] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.418687] kthread+0x328/0x630 [ 16.418739] ret_from_fork+0x10/0x20 [ 16.418799] [ 16.418833] The buggy address belongs to the physical page: [ 16.418865] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076e4 [ 16.418925] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.418970] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.419033] page_type: f8(unknown) [ 16.419072] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.419953] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.420045] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.420174] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.420390] head: 0bfffe0000000002 ffffc1ffc31db901 00000000ffffffff 00000000ffffffff [ 16.420450] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 16.420490] page dumped because: kasan: bad access detected [ 16.420520] [ 16.420538] Memory state around the buggy address: [ 16.420570] fff00000c76e5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.420613] fff00000c76e5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.420653] >fff00000c76e6000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.420826] ^ [ 16.420998] fff00000c76e6080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.421221] fff00000c76e6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.421348] ==================================================================
[ 12.069475] ================================================================== [ 12.070122] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 12.070947] Write of size 1 at addr ffff888102a3200a by task kunit_try_catch/163 [ 12.071552] [ 12.071741] CPU: 1 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.071783] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.071795] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.071815] Call Trace: [ 12.071827] <TASK> [ 12.071843] dump_stack_lvl+0x73/0xb0 [ 12.071873] print_report+0xd1/0x650 [ 12.071895] ? __virt_addr_valid+0x1db/0x2d0 [ 12.071917] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.071977] ? kasan_addr_to_slab+0x11/0xa0 [ 12.071998] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.072021] kasan_report+0x141/0x180 [ 12.072055] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.072082] __asan_report_store1_noabort+0x1b/0x30 [ 12.072107] kmalloc_large_oob_right+0x2e9/0x330 [ 12.072130] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.072154] ? __schedule+0x10cc/0x2b60 [ 12.072176] ? __pfx_read_tsc+0x10/0x10 [ 12.072198] ? ktime_get_ts64+0x86/0x230 [ 12.072223] kunit_try_run_case+0x1a5/0x480 [ 12.072324] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.072347] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.072420] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.072444] ? __kthread_parkme+0x82/0x180 [ 12.072464] ? preempt_count_sub+0x50/0x80 [ 12.072488] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.072513] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.072537] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.072562] kthread+0x337/0x6f0 [ 12.072580] ? trace_preempt_on+0x20/0xc0 [ 12.072604] ? __pfx_kthread+0x10/0x10 [ 12.072624] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.072645] ? calculate_sigpending+0x7b/0xa0 [ 12.072669] ? __pfx_kthread+0x10/0x10 [ 12.072691] ret_from_fork+0x116/0x1d0 [ 12.072720] ? __pfx_kthread+0x10/0x10 [ 12.072741] ret_from_fork_asm+0x1a/0x30 [ 12.072772] </TASK> [ 12.072782] [ 12.085281] The buggy address belongs to the physical page: [ 12.085534] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a30 [ 12.085794] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.086020] flags: 0x200000000000040(head|node=0|zone=2) [ 12.086646] page_type: f8(unknown) [ 12.087009] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.087739] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.088508] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.089402] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.090070] head: 0200000000000002 ffffea00040a8c01 00000000ffffffff 00000000ffffffff [ 12.090348] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.091259] page dumped because: kasan: bad access detected [ 12.091657] [ 12.091856] Memory state around the buggy address: [ 12.092312] ffff888102a31f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.092644] ffff888102a31f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.092867] >ffff888102a32000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.093308] ^ [ 12.093659] ffff888102a32080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.094361] ffff888102a32100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.094986] ==================================================================