Date
July 6, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.052748] ================================================================== [ 18.052841] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 18.052890] Write of size 128 at addr fff00000c1cf4a00 by task kunit_try_catch/170 [ 18.052943] [ 18.052985] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.053064] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.053089] Hardware name: linux,dummy-virt (DT) [ 18.053127] Call trace: [ 18.053150] show_stack+0x20/0x38 (C) [ 18.053224] dump_stack_lvl+0x8c/0xd0 [ 18.053270] print_report+0x118/0x608 [ 18.053314] kasan_report+0xdc/0x128 [ 18.053359] kasan_check_range+0x100/0x1a8 [ 18.053404] __asan_memset+0x34/0x78 [ 18.053445] kmalloc_oob_in_memset+0x144/0x2d0 [ 18.053735] kunit_try_run_case+0x170/0x3f0 [ 18.053948] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.054258] kthread+0x328/0x630 [ 18.054366] ret_from_fork+0x10/0x20 [ 18.055067] [ 18.055139] Allocated by task 170: [ 18.055213] kasan_save_stack+0x3c/0x68 [ 18.055347] kasan_save_track+0x20/0x40 [ 18.055530] kasan_save_alloc_info+0x40/0x58 [ 18.055572] __kasan_kmalloc+0xd4/0xd8 [ 18.055651] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.055841] kmalloc_oob_in_memset+0xb0/0x2d0 [ 18.056080] kunit_try_run_case+0x170/0x3f0 [ 18.056357] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.056519] kthread+0x328/0x630 [ 18.056695] ret_from_fork+0x10/0x20 [ 18.056761] [ 18.056922] The buggy address belongs to the object at fff00000c1cf4a00 [ 18.056922] which belongs to the cache kmalloc-128 of size 128 [ 18.057015] The buggy address is located 0 bytes inside of [ 18.057015] allocated 120-byte region [fff00000c1cf4a00, fff00000c1cf4a78) [ 18.057502] [ 18.057653] The buggy address belongs to the physical page: [ 18.057688] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101cf4 [ 18.057740] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.058248] page_type: f5(slab) [ 18.058305] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.058567] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.058811] page dumped because: kasan: bad access detected [ 18.058848] [ 18.058877] Memory state around the buggy address: [ 18.059221] fff00000c1cf4900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.059309] fff00000c1cf4980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.059492] >fff00000c1cf4a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.059623] ^ [ 18.059869] fff00000c1cf4a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.060106] fff00000c1cf4b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.060183] ==================================================================
[ 11.657412] ================================================================== [ 11.658192] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.658556] Write of size 128 at addr ffff888102b0e800 by task kunit_try_catch/187 [ 11.658908] [ 11.659236] CPU: 0 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.659287] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.659299] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.659320] Call Trace: [ 11.659334] <TASK> [ 11.659352] dump_stack_lvl+0x73/0xb0 [ 11.659382] print_report+0xd1/0x650 [ 11.659405] ? __virt_addr_valid+0x1db/0x2d0 [ 11.659429] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.659451] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.659473] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.659495] kasan_report+0x141/0x180 [ 11.659517] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.659543] kasan_check_range+0x10c/0x1c0 [ 11.659567] __asan_memset+0x27/0x50 [ 11.659586] kmalloc_oob_in_memset+0x15f/0x320 [ 11.659609] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.659631] ? __schedule+0x10cc/0x2b60 [ 11.659653] ? __pfx_read_tsc+0x10/0x10 [ 11.659674] ? ktime_get_ts64+0x86/0x230 [ 11.659699] kunit_try_run_case+0x1a5/0x480 [ 11.659723] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.659745] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.659768] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.659791] ? __kthread_parkme+0x82/0x180 [ 11.659810] ? preempt_count_sub+0x50/0x80 [ 11.659834] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.659857] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.659879] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.659901] kthread+0x337/0x6f0 [ 11.659920] ? trace_preempt_on+0x20/0xc0 [ 11.659959] ? __pfx_kthread+0x10/0x10 [ 11.659979] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.660000] ? calculate_sigpending+0x7b/0xa0 [ 11.660023] ? __pfx_kthread+0x10/0x10 [ 11.660044] ret_from_fork+0x116/0x1d0 [ 11.660062] ? __pfx_kthread+0x10/0x10 [ 11.660082] ret_from_fork_asm+0x1a/0x30 [ 11.660113] </TASK> [ 11.660124] [ 11.667771] Allocated by task 187: [ 11.667906] kasan_save_stack+0x45/0x70 [ 11.668212] kasan_save_track+0x18/0x40 [ 11.668407] kasan_save_alloc_info+0x3b/0x50 [ 11.668919] __kasan_kmalloc+0xb7/0xc0 [ 11.669078] __kmalloc_cache_noprof+0x189/0x420 [ 11.669236] kmalloc_oob_in_memset+0xac/0x320 [ 11.669448] kunit_try_run_case+0x1a5/0x480 [ 11.669766] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.670029] kthread+0x337/0x6f0 [ 11.670189] ret_from_fork+0x116/0x1d0 [ 11.670496] ret_from_fork_asm+0x1a/0x30 [ 11.670676] [ 11.670751] The buggy address belongs to the object at ffff888102b0e800 [ 11.670751] which belongs to the cache kmalloc-128 of size 128 [ 11.671425] The buggy address is located 0 bytes inside of [ 11.671425] allocated 120-byte region [ffff888102b0e800, ffff888102b0e878) [ 11.671946] [ 11.672029] The buggy address belongs to the physical page: [ 11.672281] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0e [ 11.672695] flags: 0x200000000000000(node=0|zone=2) [ 11.672925] page_type: f5(slab) [ 11.673060] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.673289] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.673579] page dumped because: kasan: bad access detected [ 11.674254] [ 11.674363] Memory state around the buggy address: [ 11.674521] ffff888102b0e700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.674738] ffff888102b0e780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.675129] >ffff888102b0e800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.675451] ^ [ 11.675807] ffff888102b0e880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.676163] ffff888102b0e900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.676453] ==================================================================