Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.822510] ================================================================== [ 19.823279] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a8/0x400 [ 19.824510] Write of size 16 at addr fff00000c64513e0 by task kunit_try_catch/153 [ 19.825158] [ 19.825516] CPU: 1 UID: 0 PID: 153 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 19.825732] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.825803] Hardware name: linux,dummy-virt (DT) [ 19.825886] Call trace: [ 19.825944] dump_backtrace+0x9c/0x128 [ 19.826065] show_stack+0x20/0x38 [ 19.826155] dump_stack_lvl+0x8c/0xd0 [ 19.826231] print_report+0x118/0x5f0 [ 19.826351] kasan_report+0xdc/0x128 [ 19.826410] __asan_report_store16_noabort+0x20/0x30 [ 19.826460] kmalloc_oob_16+0x3a8/0x400 [ 19.826503] kunit_try_run_case+0x170/0x3f0 [ 19.826551] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.826599] kthread+0x24c/0x2d0 [ 19.826641] ret_from_fork+0x10/0x20 [ 19.826687] [ 19.831944] Allocated by task 153: [ 19.832174] kasan_save_stack+0x3c/0x68 [ 19.832442] kasan_save_track+0x20/0x40 [ 19.832669] kasan_save_alloc_info+0x40/0x58 [ 19.832908] __kasan_kmalloc+0xd4/0xd8 [ 19.833127] __kmalloc_cache_noprof+0x154/0x320 [ 19.834324] kmalloc_oob_16+0xb4/0x400 [ 19.834762] kunit_try_run_case+0x170/0x3f0 [ 19.835891] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.836339] kthread+0x24c/0x2d0 [ 19.836789] ret_from_fork+0x10/0x20 [ 19.837154] [ 19.837414] The buggy address belongs to the object at fff00000c64513e0 [ 19.837414] which belongs to the cache kmalloc-16 of size 16 [ 19.838235] The buggy address is located 0 bytes inside of [ 19.838235] allocated 13-byte region [fff00000c64513e0, fff00000c64513ed) [ 19.839056] [ 19.839768] The buggy address belongs to the physical page: [ 19.840102] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106451 [ 19.840505] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.841190] page_type: f5(slab) [ 19.841640] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 19.842249] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 19.842965] page dumped because: kasan: bad access detected [ 19.843745] [ 19.843938] Memory state around the buggy address: [ 19.844142] fff00000c6451280: 00 00 fc fc 00 06 fc fc 00 06 fc fc 00 00 fc fc [ 19.844782] fff00000c6451300: 00 02 fc fc 00 02 fc fc 00 06 fc fc 00 06 fc fc [ 19.845531] >fff00000c6451380: fa fb fc fc 00 05 fc fc fa fb fc fc 00 05 fc fc [ 19.846129] ^ [ 19.846689] fff00000c6451400: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.847331] fff00000c6451480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.847984] ==================================================================
[ 12.047487] ================================================================== [ 12.047916] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x454/0x4a0 [ 12.048152] Write of size 16 at addr ffff8881024e4120 by task kunit_try_catch/171 [ 12.048400] [ 12.048727] CPU: 0 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 12.048827] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.048852] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.048889] Call Trace: [ 12.048914] <TASK> [ 12.048937] dump_stack_lvl+0x73/0xb0 [ 12.048969] print_report+0xd1/0x640 [ 12.048991] ? __virt_addr_valid+0x1db/0x2d0 [ 12.049013] ? kmalloc_oob_16+0x454/0x4a0 [ 12.049033] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.049059] ? kmalloc_oob_16+0x454/0x4a0 [ 12.049218] kasan_report+0x140/0x180 [ 12.049537] ? kmalloc_oob_16+0x454/0x4a0 [ 12.049594] __asan_report_store16_noabort+0x1b/0x30 [ 12.049637] kmalloc_oob_16+0x454/0x4a0 [ 12.049689] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 12.049730] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 12.049760] kunit_try_run_case+0x1a6/0x480 [ 12.049784] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.049803] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.049822] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.049845] ? __kthread_parkme+0x82/0x160 [ 12.049863] ? preempt_count_sub+0x50/0x80 [ 12.049885] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.049916] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.049942] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.049967] kthread+0x257/0x310 [ 12.049985] ? __pfx_kthread+0x10/0x10 [ 12.050003] ret_from_fork+0x41/0x80 [ 12.050023] ? __pfx_kthread+0x10/0x10 [ 12.050042] ret_from_fork_asm+0x1a/0x30 [ 12.050099] </TASK> [ 12.050117] [ 12.057999] Allocated by task 171: [ 12.058340] kasan_save_stack+0x45/0x70 [ 12.058767] kasan_save_track+0x18/0x40 [ 12.059216] kasan_save_alloc_info+0x3b/0x50 [ 12.059491] __kasan_kmalloc+0xb7/0xc0 [ 12.059668] __kmalloc_cache_noprof+0x168/0x350 [ 12.059854] kmalloc_oob_16+0xa9/0x4a0 [ 12.060015] kunit_try_run_case+0x1a6/0x480 [ 12.060323] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.060708] kthread+0x257/0x310 [ 12.061341] ret_from_fork+0x41/0x80 [ 12.061685] ret_from_fork_asm+0x1a/0x30 [ 12.061984] [ 12.062251] The buggy address belongs to the object at ffff8881024e4120 [ 12.062251] which belongs to the cache kmalloc-16 of size 16 [ 12.062792] The buggy address is located 0 bytes inside of [ 12.062792] allocated 13-byte region [ffff8881024e4120, ffff8881024e412d) [ 12.063498] [ 12.063671] The buggy address belongs to the physical page: [ 12.064031] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1024e4 [ 12.064822] flags: 0x200000000000000(node=0|zone=2) [ 12.065108] page_type: f5(slab) [ 12.065427] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 12.066016] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 12.066594] page dumped because: kasan: bad access detected [ 12.067018] [ 12.067316] Memory state around the buggy address: [ 12.067547] ffff8881024e4000: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 12.067789] ffff8881024e4080: fa fb fc fc 00 03 fc fc 00 03 fc fc 00 05 fc fc [ 12.068023] >ffff8881024e4100: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 12.068631] ^ [ 12.068995] ffff8881024e4180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.069631] ffff8881024e4200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.070199] ==================================================================