Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.364523] ================================================================== [ 19.364940] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 19.365171] Write of size 128 at addr fff00000c6343900 by task kunit_try_catch/170 [ 19.365243] [ 19.365277] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.365358] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.365383] Hardware name: linux,dummy-virt (DT) [ 19.365576] Call trace: [ 19.365610] show_stack+0x20/0x38 (C) [ 19.365696] dump_stack_lvl+0x8c/0xd0 [ 19.366124] print_report+0x118/0x608 [ 19.366193] kasan_report+0xdc/0x128 [ 19.366276] kasan_check_range+0x100/0x1a8 [ 19.366352] __asan_memset+0x34/0x78 [ 19.366399] kmalloc_oob_in_memset+0x144/0x2d0 [ 19.366451] kunit_try_run_case+0x170/0x3f0 [ 19.366705] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.367032] kthread+0x328/0x630 [ 19.367109] ret_from_fork+0x10/0x20 [ 19.367468] [ 19.367514] Allocated by task 170: [ 19.367585] kasan_save_stack+0x3c/0x68 [ 19.367915] kasan_save_track+0x20/0x40 [ 19.368119] kasan_save_alloc_info+0x40/0x58 [ 19.368229] __kasan_kmalloc+0xd4/0xd8 [ 19.368270] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.368333] kmalloc_oob_in_memset+0xb0/0x2d0 [ 19.368377] kunit_try_run_case+0x170/0x3f0 [ 19.368670] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.368886] kthread+0x328/0x630 [ 19.368971] ret_from_fork+0x10/0x20 [ 19.369128] [ 19.369265] The buggy address belongs to the object at fff00000c6343900 [ 19.369265] which belongs to the cache kmalloc-128 of size 128 [ 19.369476] The buggy address is located 0 bytes inside of [ 19.369476] allocated 120-byte region [fff00000c6343900, fff00000c6343978) [ 19.369685] [ 19.369859] The buggy address belongs to the physical page: [ 19.369999] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106343 [ 19.370149] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.370378] page_type: f5(slab) [ 19.370565] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.370625] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.370667] page dumped because: kasan: bad access detected [ 19.370698] [ 19.370716] Memory state around the buggy address: [ 19.370780] fff00000c6343800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.370844] fff00000c6343880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.370885] >fff00000c6343900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.370925] ^ [ 19.370974] fff00000c6343980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.371020] fff00000c6343a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.371073] ==================================================================
[ 12.538225] ================================================================== [ 12.538742] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 12.539310] Write of size 128 at addr ffff888102b79c00 by task kunit_try_catch/188 [ 12.539764] [ 12.539858] CPU: 0 UID: 0 PID: 188 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.539902] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.539913] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.539933] Call Trace: [ 12.539946] <TASK> [ 12.539972] dump_stack_lvl+0x73/0xb0 [ 12.540003] print_report+0xd1/0x650 [ 12.540025] ? __virt_addr_valid+0x1db/0x2d0 [ 12.540059] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.540119] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.540143] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.540166] kasan_report+0x141/0x180 [ 12.540273] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.540301] kasan_check_range+0x10c/0x1c0 [ 12.540325] __asan_memset+0x27/0x50 [ 12.540344] kmalloc_oob_in_memset+0x15f/0x320 [ 12.540367] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 12.540392] ? __schedule+0x10cc/0x2b60 [ 12.540414] ? __pfx_read_tsc+0x10/0x10 [ 12.540436] ? ktime_get_ts64+0x86/0x230 [ 12.540461] kunit_try_run_case+0x1a5/0x480 [ 12.540486] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.540508] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.540532] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.540556] ? __kthread_parkme+0x82/0x180 [ 12.540576] ? preempt_count_sub+0x50/0x80 [ 12.540611] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.540635] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.540660] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.540685] kthread+0x337/0x6f0 [ 12.540703] ? trace_preempt_on+0x20/0xc0 [ 12.540727] ? __pfx_kthread+0x10/0x10 [ 12.540747] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.540768] ? calculate_sigpending+0x7b/0xa0 [ 12.540792] ? __pfx_kthread+0x10/0x10 [ 12.540813] ret_from_fork+0x116/0x1d0 [ 12.540831] ? __pfx_kthread+0x10/0x10 [ 12.540851] ret_from_fork_asm+0x1a/0x30 [ 12.540882] </TASK> [ 12.540892] [ 12.550884] Allocated by task 188: [ 12.551285] kasan_save_stack+0x45/0x70 [ 12.551733] kasan_save_track+0x18/0x40 [ 12.552164] kasan_save_alloc_info+0x3b/0x50 [ 12.552451] __kasan_kmalloc+0xb7/0xc0 [ 12.552824] __kmalloc_cache_noprof+0x189/0x420 [ 12.553312] kmalloc_oob_in_memset+0xac/0x320 [ 12.553683] kunit_try_run_case+0x1a5/0x480 [ 12.554116] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.554366] kthread+0x337/0x6f0 [ 12.554785] ret_from_fork+0x116/0x1d0 [ 12.555262] ret_from_fork_asm+0x1a/0x30 [ 12.555463] [ 12.555627] The buggy address belongs to the object at ffff888102b79c00 [ 12.555627] which belongs to the cache kmalloc-128 of size 128 [ 12.556648] The buggy address is located 0 bytes inside of [ 12.556648] allocated 120-byte region [ffff888102b79c00, ffff888102b79c78) [ 12.557742] [ 12.557898] The buggy address belongs to the physical page: [ 12.558388] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b79 [ 12.558904] flags: 0x200000000000000(node=0|zone=2) [ 12.559362] page_type: f5(slab) [ 12.559907] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.560377] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.560890] page dumped because: kasan: bad access detected [ 12.561416] [ 12.561706] Memory state around the buggy address: [ 12.561929] ffff888102b79b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.562212] ffff888102b79b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.562490] >ffff888102b79c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.562779] ^ [ 12.563057] ffff888102b79c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.563341] ffff888102b79d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.564245] ==================================================================