Date
July 1, 2025, 12:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.389877] ================================================================== [ 17.389949] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 17.390003] Write of size 16 at addr fff00000c4551820 by task kunit_try_catch/166 [ 17.390737] [ 17.390820] CPU: 1 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.391193] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.391306] Hardware name: linux,dummy-virt (DT) [ 17.391339] Call trace: [ 17.391929] show_stack+0x20/0x38 (C) [ 17.392214] dump_stack_lvl+0x8c/0xd0 [ 17.392285] print_report+0x118/0x608 [ 17.392724] kasan_report+0xdc/0x128 [ 17.393144] __asan_report_store16_noabort+0x20/0x30 [ 17.393485] kmalloc_oob_16+0x3a0/0x3f8 [ 17.394054] kunit_try_run_case+0x170/0x3f0 [ 17.394114] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.394166] kthread+0x328/0x630 [ 17.394219] ret_from_fork+0x10/0x20 [ 17.394300] [ 17.394319] Allocated by task 166: [ 17.394348] kasan_save_stack+0x3c/0x68 [ 17.394387] kasan_save_track+0x20/0x40 [ 17.394429] kasan_save_alloc_info+0x40/0x58 [ 17.394478] __kasan_kmalloc+0xd4/0xd8 [ 17.394512] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.394561] kmalloc_oob_16+0xb4/0x3f8 [ 17.394604] kunit_try_run_case+0x170/0x3f0 [ 17.394640] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.394682] kthread+0x328/0x630 [ 17.394713] ret_from_fork+0x10/0x20 [ 17.394765] [ 17.394785] The buggy address belongs to the object at fff00000c4551820 [ 17.394785] which belongs to the cache kmalloc-16 of size 16 [ 17.394852] The buggy address is located 0 bytes inside of [ 17.394852] allocated 13-byte region [fff00000c4551820, fff00000c455182d) [ 17.394915] [ 17.394934] The buggy address belongs to the physical page: [ 17.395468] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104551 [ 17.395920] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.396201] page_type: f5(slab) [ 17.396525] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 17.396881] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 17.396983] page dumped because: kasan: bad access detected [ 17.397108] [ 17.397469] Memory state around the buggy address: [ 17.397526] fff00000c4551700: 00 07 fc fc fa fb fc fc fa fb fc fc 00 04 fc fc [ 17.397691] fff00000c4551780: fa fb fc fc fa fb fc fc 00 05 fc fc fa fb fc fc [ 17.397743] >fff00000c4551800: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 17.397942] ^ [ 17.398269] fff00000c4551880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.398625] fff00000c4551900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.398678] ==================================================================
[ 11.465156] ================================================================== [ 11.465852] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 11.466371] Write of size 16 at addr ffff888101638ee0 by task kunit_try_catch/183 [ 11.466700] [ 11.466834] CPU: 1 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.466878] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.466890] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.466921] Call Trace: [ 11.466934] <TASK> [ 11.466949] dump_stack_lvl+0x73/0xb0 [ 11.466984] print_report+0xd1/0x650 [ 11.467005] ? __virt_addr_valid+0x1db/0x2d0 [ 11.467045] ? kmalloc_oob_16+0x452/0x4a0 [ 11.467065] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.467085] ? kmalloc_oob_16+0x452/0x4a0 [ 11.467105] kasan_report+0x141/0x180 [ 11.467126] ? kmalloc_oob_16+0x452/0x4a0 [ 11.467150] __asan_report_store16_noabort+0x1b/0x30 [ 11.467169] kmalloc_oob_16+0x452/0x4a0 [ 11.467189] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 11.467210] ? __schedule+0x10cc/0x2b60 [ 11.467230] ? __pfx_read_tsc+0x10/0x10 [ 11.467250] ? ktime_get_ts64+0x86/0x230 [ 11.467272] kunit_try_run_case+0x1a5/0x480 [ 11.467390] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.467414] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.467437] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.467458] ? __kthread_parkme+0x82/0x180 [ 11.467492] ? preempt_count_sub+0x50/0x80 [ 11.467514] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.467536] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.467568] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.467590] kthread+0x337/0x6f0 [ 11.467608] ? trace_preempt_on+0x20/0xc0 [ 11.467629] ? __pfx_kthread+0x10/0x10 [ 11.467649] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.467669] ? calculate_sigpending+0x7b/0xa0 [ 11.467691] ? __pfx_kthread+0x10/0x10 [ 11.467711] ret_from_fork+0x116/0x1d0 [ 11.467728] ? __pfx_kthread+0x10/0x10 [ 11.467747] ret_from_fork_asm+0x1a/0x30 [ 11.467777] </TASK> [ 11.467788] [ 11.475692] Allocated by task 183: [ 11.475893] kasan_save_stack+0x45/0x70 [ 11.476227] kasan_save_track+0x18/0x40 [ 11.476415] kasan_save_alloc_info+0x3b/0x50 [ 11.476653] __kasan_kmalloc+0xb7/0xc0 [ 11.476826] __kmalloc_cache_noprof+0x189/0x420 [ 11.477222] kmalloc_oob_16+0xa8/0x4a0 [ 11.477426] kunit_try_run_case+0x1a5/0x480 [ 11.477668] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.477886] kthread+0x337/0x6f0 [ 11.478160] ret_from_fork+0x116/0x1d0 [ 11.478349] ret_from_fork_asm+0x1a/0x30 [ 11.478532] [ 11.478605] The buggy address belongs to the object at ffff888101638ee0 [ 11.478605] which belongs to the cache kmalloc-16 of size 16 [ 11.479248] The buggy address is located 0 bytes inside of [ 11.479248] allocated 13-byte region [ffff888101638ee0, ffff888101638eed) [ 11.479757] [ 11.479830] The buggy address belongs to the physical page: [ 11.480001] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101638 [ 11.480361] flags: 0x200000000000000(node=0|zone=2) [ 11.480595] page_type: f5(slab) [ 11.480762] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 11.481005] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 11.481307] page dumped because: kasan: bad access detected [ 11.481562] [ 11.481657] Memory state around the buggy address: [ 11.481882] ffff888101638d80: fa fb fc fc 00 05 fc fc 00 05 fc fc 00 00 fc fc [ 11.482399] ffff888101638e00: 00 06 fc fc 00 06 fc fc 00 00 fc fc fa fb fc fc [ 11.482715] >ffff888101638e80: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 11.483121] ^ [ 11.483434] ffff888101638f00: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.483652] ffff888101638f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.483978] ==================================================================