Date
July 9, 2025, 11:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.773561] ================================================================== [ 16.773781] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 16.773858] Write of size 4 at addr fff00000c638ba75 by task kunit_try_catch/174 [ 16.773930] [ 16.773972] CPU: 1 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.774065] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.774091] Hardware name: linux,dummy-virt (DT) [ 16.774138] Call trace: [ 16.774162] show_stack+0x20/0x38 (C) [ 16.774228] dump_stack_lvl+0x8c/0xd0 [ 16.774644] print_report+0x118/0x608 [ 16.774695] kasan_report+0xdc/0x128 [ 16.774753] kasan_check_range+0x100/0x1a8 [ 16.774800] __asan_memset+0x34/0x78 [ 16.774855] kmalloc_oob_memset_4+0x150/0x300 [ 16.774906] kunit_try_run_case+0x170/0x3f0 [ 16.774979] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.775047] kthread+0x328/0x630 [ 16.775797] ret_from_fork+0x10/0x20 [ 16.775872] [ 16.775892] Allocated by task 174: [ 16.775920] kasan_save_stack+0x3c/0x68 [ 16.775961] kasan_save_track+0x20/0x40 [ 16.776005] kasan_save_alloc_info+0x40/0x58 [ 16.776044] __kasan_kmalloc+0xd4/0xd8 [ 16.776083] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.776134] kmalloc_oob_memset_4+0xb0/0x300 [ 16.776170] kunit_try_run_case+0x170/0x3f0 [ 16.776207] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.776251] kthread+0x328/0x630 [ 16.776284] ret_from_fork+0x10/0x20 [ 16.776319] [ 16.776338] The buggy address belongs to the object at fff00000c638ba00 [ 16.776338] which belongs to the cache kmalloc-128 of size 128 [ 16.776395] The buggy address is located 117 bytes inside of [ 16.776395] allocated 120-byte region [fff00000c638ba00, fff00000c638ba78) [ 16.776454] [ 16.776475] The buggy address belongs to the physical page: [ 16.776506] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10638b [ 16.776560] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.776610] page_type: f5(slab) [ 16.776650] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.776768] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.776835] page dumped because: kasan: bad access detected [ 16.776885] [ 16.776928] Memory state around the buggy address: [ 16.776960] fff00000c638b900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.777025] fff00000c638b980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.777066] >fff00000c638ba00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.777102] ^ [ 16.777153] fff00000c638ba80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.777194] fff00000c638bb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.777230] ==================================================================
[ 12.661621] ================================================================== [ 12.662307] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 12.662668] Write of size 4 at addr ffff88810291d175 by task kunit_try_catch/191 [ 12.662979] [ 12.663108] CPU: 1 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.663282] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.663296] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.663316] Call Trace: [ 12.663329] <TASK> [ 12.663344] dump_stack_lvl+0x73/0xb0 [ 12.663472] print_report+0xd1/0x650 [ 12.663494] ? __virt_addr_valid+0x1db/0x2d0 [ 12.663518] ? kmalloc_oob_memset_4+0x166/0x330 [ 12.663539] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.663562] ? kmalloc_oob_memset_4+0x166/0x330 [ 12.663584] kasan_report+0x141/0x180 [ 12.663605] ? kmalloc_oob_memset_4+0x166/0x330 [ 12.663632] kasan_check_range+0x10c/0x1c0 [ 12.663655] __asan_memset+0x27/0x50 [ 12.663674] kmalloc_oob_memset_4+0x166/0x330 [ 12.663697] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 12.663730] ? __schedule+0x10cc/0x2b60 [ 12.663752] ? __pfx_read_tsc+0x10/0x10 [ 12.663773] ? ktime_get_ts64+0x86/0x230 [ 12.663797] kunit_try_run_case+0x1a5/0x480 [ 12.664081] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.664105] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.664130] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.664154] ? __kthread_parkme+0x82/0x180 [ 12.664175] ? preempt_count_sub+0x50/0x80 [ 12.664199] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.664223] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.664247] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.664272] kthread+0x337/0x6f0 [ 12.664290] ? trace_preempt_on+0x20/0xc0 [ 12.664313] ? __pfx_kthread+0x10/0x10 [ 12.664340] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.664361] ? calculate_sigpending+0x7b/0xa0 [ 12.664385] ? __pfx_kthread+0x10/0x10 [ 12.664406] ret_from_fork+0x116/0x1d0 [ 12.664424] ? __pfx_kthread+0x10/0x10 [ 12.664444] ret_from_fork_asm+0x1a/0x30 [ 12.664475] </TASK> [ 12.664485] [ 12.672546] Allocated by task 191: [ 12.672718] kasan_save_stack+0x45/0x70 [ 12.672891] kasan_save_track+0x18/0x40 [ 12.673102] kasan_save_alloc_info+0x3b/0x50 [ 12.673312] __kasan_kmalloc+0xb7/0xc0 [ 12.673498] __kmalloc_cache_noprof+0x189/0x420 [ 12.673829] kmalloc_oob_memset_4+0xac/0x330 [ 12.674157] kunit_try_run_case+0x1a5/0x480 [ 12.674421] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.674666] kthread+0x337/0x6f0 [ 12.674838] ret_from_fork+0x116/0x1d0 [ 12.675048] ret_from_fork_asm+0x1a/0x30 [ 12.675323] [ 12.675409] The buggy address belongs to the object at ffff88810291d100 [ 12.675409] which belongs to the cache kmalloc-128 of size 128 [ 12.675936] The buggy address is located 117 bytes inside of [ 12.675936] allocated 120-byte region [ffff88810291d100, ffff88810291d178) [ 12.676452] [ 12.676527] The buggy address belongs to the physical page: [ 12.676713] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10291d [ 12.677118] flags: 0x200000000000000(node=0|zone=2) [ 12.677382] page_type: f5(slab) [ 12.677550] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.677906] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.678386] page dumped because: kasan: bad access detected [ 12.678565] [ 12.678634] Memory state around the buggy address: [ 12.678821] ffff88810291d000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.679298] ffff88810291d080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.679675] >ffff88810291d100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.680019] ^ [ 12.680414] ffff88810291d180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.680734] ffff88810291d200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.680985] ==================================================================