Date
July 22, 2025, 5:13 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.084141] ================================================================== [ 30.084634] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 30.084695] Write of size 1 at addr fff00000c9ae600a by task kunit_try_catch/177 [ 30.084742] [ 30.084772] CPU: 1 UID: 0 PID: 177 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250722 #1 PREEMPT [ 30.084878] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 30.084906] Hardware name: linux,dummy-virt (DT) [ 30.084934] Call trace: [ 30.084956] show_stack+0x20/0x38 (C) [ 30.085002] dump_stack_lvl+0x8c/0xd0 [ 30.086897] print_report+0x118/0x5e8 [ 30.086941] kasan_report+0xdc/0x128 [ 30.086982] __asan_report_store1_noabort+0x20/0x30 [ 30.087029] kmalloc_large_oob_right+0x278/0x2b8 [ 30.087075] kunit_try_run_case+0x170/0x3f0 [ 30.087122] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.087171] kthread+0x328/0x630 [ 30.087212] ret_from_fork+0x10/0x20 [ 30.087257] [ 30.087292] The buggy address belongs to the physical page: [ 30.087328] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109ae4 [ 30.087380] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 30.087424] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 30.087480] page_type: f8(unknown) [ 30.087519] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.087567] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 30.087613] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.087659] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 30.087705] head: 0bfffe0000000002 ffffc1ffc326b901 00000000ffffffff 00000000ffffffff [ 30.087751] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 30.087790] page dumped because: kasan: bad access detected [ 30.087831] [ 30.087878] Memory state around the buggy address: [ 30.087910] fff00000c9ae5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.087973] fff00000c9ae5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.088020] >fff00000c9ae6000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 30.088195] ^ [ 30.088287] fff00000c9ae6080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 30.088338] fff00000c9ae6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 30.088426] ==================================================================
[ 24.631119] ================================================================== [ 24.631913] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 24.632403] Write of size 1 at addr ffff888104ab600a by task kunit_try_catch/194 [ 24.633052] [ 24.633152] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250722 #1 PREEMPT(voluntary) [ 24.633202] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.633215] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.633237] Call Trace: [ 24.633250] <TASK> [ 24.633264] dump_stack_lvl+0x73/0xb0 [ 24.633293] print_report+0xd1/0x640 [ 24.633316] ? __virt_addr_valid+0x1db/0x2d0 [ 24.633340] ? kmalloc_large_oob_right+0x2e9/0x330 [ 24.633362] ? kasan_addr_to_slab+0x11/0xa0 [ 24.633383] ? kmalloc_large_oob_right+0x2e9/0x330 [ 24.633404] kasan_report+0x141/0x180 [ 24.633426] ? kmalloc_large_oob_right+0x2e9/0x330 [ 24.633453] __asan_report_store1_noabort+0x1b/0x30 [ 24.633710] kmalloc_large_oob_right+0x2e9/0x330 [ 24.633736] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 24.633759] ? __schedule+0x10da/0x2b60 [ 24.633824] ? __pfx_read_tsc+0x10/0x10 [ 24.633857] ? ktime_get_ts64+0x86/0x230 [ 24.633882] kunit_try_run_case+0x1a5/0x480 [ 24.633909] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.633933] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.633959] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.633984] ? __kthread_parkme+0x82/0x180 [ 24.634004] ? preempt_count_sub+0x50/0x80 [ 24.634026] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.634050] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.634074] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.634097] kthread+0x337/0x6f0 [ 24.634117] ? trace_preempt_on+0x20/0xc0 [ 24.634141] ? __pfx_kthread+0x10/0x10 [ 24.634161] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.634199] ? calculate_sigpending+0x7b/0xa0 [ 24.634222] ? __pfx_kthread+0x10/0x10 [ 24.634243] ret_from_fork+0x116/0x1d0 [ 24.634263] ? __pfx_kthread+0x10/0x10 [ 24.634283] ret_from_fork_asm+0x1a/0x30 [ 24.634313] </TASK> [ 24.634325] [ 24.646444] The buggy address belongs to the physical page: [ 24.646819] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104ab4 [ 24.647153] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 24.647865] flags: 0x200000000000040(head|node=0|zone=2) [ 24.648415] page_type: f8(unknown) [ 24.648697] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.648991] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 24.649229] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.649464] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 24.649699] head: 0200000000000002 ffffea000412ad01 00000000ffffffff 00000000ffffffff [ 24.649944] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 24.650752] page dumped because: kasan: bad access detected [ 24.651185] [ 24.651266] Memory state around the buggy address: [ 24.651424] ffff888104ab5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.651643] ffff888104ab5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.651872] >ffff888104ab6000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 24.652085] ^ [ 24.652208] ffff888104ab6080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 24.652425] ffff888104ab6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 24.652638] ==================================================================