Date
April 22, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 | |
| rk3399-rock-pi-4b |
[ 20.273196] ================================================================== [ 20.273367] BUG: KASAN: slab-out-of-bounds in memcmp+0x198/0x1d8 [ 20.273578] Read of size 1 at addr fff00000c42a84d8 by task kunit_try_catch/259 [ 20.273741] [ 20.273874] CPU: 0 UID: 0 PID: 259 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT [ 20.274065] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.274135] Hardware name: linux,dummy-virt (DT) [ 20.274728] Call trace: [ 20.274814] show_stack+0x20/0x38 (C) [ 20.274951] dump_stack_lvl+0x8c/0xd0 [ 20.275055] print_report+0x118/0x608 [ 20.275162] kasan_report+0xdc/0x128 [ 20.275266] __asan_report_load1_noabort+0x20/0x30 [ 20.275565] memcmp+0x198/0x1d8 [ 20.275664] kasan_memcmp+0x16c/0x300 [ 20.275764] kunit_try_run_case+0x170/0x3f0 [ 20.276363] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.276866] kthread+0x328/0x630 [ 20.277057] ret_from_fork+0x10/0x20 [ 20.277263] [ 20.277310] Allocated by task 259: [ 20.277632] kasan_save_stack+0x3c/0x68 [ 20.277788] kasan_save_track+0x20/0x40 [ 20.277895] kasan_save_alloc_info+0x40/0x58 [ 20.278174] __kasan_kmalloc+0xd4/0xd8 [ 20.278500] __kmalloc_cache_noprof+0x15c/0x3c0 [ 20.278640] kasan_memcmp+0xbc/0x300 [ 20.278946] kunit_try_run_case+0x170/0x3f0 [ 20.279254] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.279426] kthread+0x328/0x630 [ 20.279499] ret_from_fork+0x10/0x20 [ 20.279593] [ 20.279642] The buggy address belongs to the object at fff00000c42a84c0 [ 20.279642] which belongs to the cache kmalloc-32 of size 32 [ 20.279765] The buggy address is located 0 bytes to the right of [ 20.279765] allocated 24-byte region [fff00000c42a84c0, fff00000c42a84d8) [ 20.279933] [ 20.280077] The buggy address belongs to the physical page: [ 20.280284] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1042a8 [ 20.280405] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.280518] page_type: f5(slab) [ 20.280793] raw: 0bfffe0000000000 fff00000c0001780 dead000000000122 0000000000000000 [ 20.281040] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 [ 20.281195] page dumped because: kasan: bad access detected [ 20.281306] [ 20.281352] Memory state around the buggy address: [ 20.281431] fff00000c42a8380: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 20.281576] fff00000c42a8400: 00 00 00 04 fc fc fc fc 00 00 07 fc fc fc fc fc [ 20.281735] >fff00000c42a8480: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 20.281873] ^ [ 20.282003] fff00000c42a8500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.282147] fff00000c42a8580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.282248] ==================================================================
[ 21.052036] ================================================================== [ 21.053197] BUG: KASAN: slab-out-of-bounds in memcmp+0x1b4/0x1d0 [ 21.053978] Read of size 1 at addr ffff888103c72698 by task kunit_try_catch/277 [ 21.055153] [ 21.055640] CPU: 0 UID: 0 PID: 277 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT(voluntary) [ 21.055777] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.055838] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.055906] Call Trace: [ 21.055959] <TASK> [ 21.056010] dump_stack_lvl+0x73/0xb0 [ 21.056086] print_report+0xd1/0x650 [ 21.056142] ? __virt_addr_valid+0x1db/0x2d0 [ 21.056180] ? memcmp+0x1b4/0x1d0 [ 21.056209] ? kasan_complete_mode_report_info+0x2a/0x200 [ 21.056245] ? memcmp+0x1b4/0x1d0 [ 21.056273] kasan_report+0x141/0x180 [ 21.056306] ? memcmp+0x1b4/0x1d0 [ 21.056341] __asan_report_load1_noabort+0x18/0x20 [ 21.056370] memcmp+0x1b4/0x1d0 [ 21.056401] kasan_memcmp+0x18f/0x390 [ 21.056530] ? __pfx_kasan_memcmp+0x10/0x10 [ 21.056598] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 21.056649] ? __pfx_read_tsc+0x10/0x10 [ 21.056680] ? ktime_get_ts64+0x86/0x230 [ 21.056718] kunit_try_run_case+0x1a5/0x480 [ 21.056754] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.056785] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.056819] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.056853] ? __kthread_parkme+0x82/0x180 [ 21.056885] ? preempt_count_sub+0x50/0x80 [ 21.056920] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.056953] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.056985] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.057017] kthread+0x337/0x6f0 [ 21.057045] ? trace_preempt_on+0x20/0xc0 [ 21.057079] ? __pfx_kthread+0x10/0x10 [ 21.057110] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.057142] ? calculate_sigpending+0x7b/0xa0 [ 21.057173] ? __pfx_kthread+0x10/0x10 [ 21.057205] ret_from_fork+0x41/0x80 [ 21.057236] ? __pfx_kthread+0x10/0x10 [ 21.057269] ret_from_fork_asm+0x1a/0x30 [ 21.057312] </TASK> [ 21.057327] [ 21.077341] Allocated by task 277: [ 21.078269] kasan_save_stack+0x45/0x70 [ 21.078795] kasan_save_track+0x18/0x40 [ 21.079215] kasan_save_alloc_info+0x3b/0x50 [ 21.080091] __kasan_kmalloc+0xb7/0xc0 [ 21.080464] __kmalloc_cache_noprof+0x189/0x420 [ 21.081326] kasan_memcmp+0xb7/0x390 [ 21.082306] kunit_try_run_case+0x1a5/0x480 [ 21.082933] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.083991] kthread+0x337/0x6f0 [ 21.084291] ret_from_fork+0x41/0x80 [ 21.085600] ret_from_fork_asm+0x1a/0x30 [ 21.085942] [ 21.086157] The buggy address belongs to the object at ffff888103c72680 [ 21.086157] which belongs to the cache kmalloc-32 of size 32 [ 21.087931] The buggy address is located 0 bytes to the right of [ 21.087931] allocated 24-byte region [ffff888103c72680, ffff888103c72698) [ 21.089066] [ 21.089240] The buggy address belongs to the physical page: [ 21.090549] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103c72 [ 21.091286] flags: 0x200000000000000(node=0|zone=2) [ 21.092060] page_type: f5(slab) [ 21.092332] raw: 0200000000000000 ffff888100041780 dead000000000122 0000000000000000 [ 21.093763] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 [ 21.094476] page dumped because: kasan: bad access detected [ 21.095421] [ 21.095708] Memory state around the buggy address: [ 21.096081] ffff888103c72580: 00 00 07 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 21.096688] ffff888103c72600: 00 00 00 04 fc fc fc fc 00 00 07 fc fc fc fc fc [ 21.098278] >ffff888103c72680: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.099192] ^ [ 21.099642] ffff888103c72700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.100153] ffff888103c72780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.100696] ==================================================================
[ 21.781367] ================================================================== [ 21.782405] BUG: KASAN: slab-out-of-bounds in memcmp+0x198/0x1d8 [ 21.782981] Read of size 1 at addr ffff00000257b298 by task kunit_try_catch/315 [ 21.783648] [ 21.783805] CPU: 3 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT [ 21.783843] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.783854] Hardware name: Radxa ROCK Pi 4B (DT) [ 21.783868] Call trace: [ 21.783878] show_stack+0x20/0x38 (C) [ 21.783904] dump_stack_lvl+0x8c/0xd0 [ 21.783928] print_report+0x118/0x608 [ 21.783952] kasan_report+0xdc/0x128 [ 21.783973] __asan_report_load1_noabort+0x20/0x30 [ 21.783999] memcmp+0x198/0x1d8 [ 21.784022] kasan_memcmp+0x16c/0x300 [ 21.784046] kunit_try_run_case+0x170/0x3f0 [ 21.784073] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.784102] kthread+0x328/0x630 [ 21.784128] ret_from_fork+0x10/0x20 [ 21.784153] [ 21.789926] Allocated by task 315: [ 21.790244] kasan_save_stack+0x3c/0x68 [ 21.790608] kasan_save_track+0x20/0x40 [ 21.790969] kasan_save_alloc_info+0x40/0x58 [ 21.791372] __kasan_kmalloc+0xd4/0xd8 [ 21.791725] __kmalloc_cache_noprof+0x15c/0x3c0 [ 21.792153] kasan_memcmp+0xbc/0x300 [ 21.792497] kunit_try_run_case+0x170/0x3f0 [ 21.792892] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.793403] kthread+0x328/0x630 [ 21.793715] ret_from_fork+0x10/0x20 [ 21.794055] [ 21.794202] The buggy address belongs to the object at ffff00000257b280 [ 21.794202] which belongs to the cache kmalloc-32 of size 32 [ 21.795308] The buggy address is located 0 bytes to the right of [ 21.795308] allocated 24-byte region [ffff00000257b280, ffff00000257b298) [ 21.796459] [ 21.796607] The buggy address belongs to the physical page: [ 21.797115] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x257b [ 21.797829] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff) [ 21.798430] page_type: f5(slab) [ 21.798735] raw: 03fffe0000000000 ffff000000402780 dead000000000122 0000000000000000 [ 21.799438] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 [ 21.800136] page dumped because: kasan: bad access detected [ 21.800643] [ 21.800790] Memory state around the buggy address: [ 21.801231] ffff00000257b180: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 21.801885] ffff00000257b200: 00 00 00 04 fc fc fc fc 00 00 07 fc fc fc fc fc [ 21.802541] >ffff00000257b280: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.803192] ^ [ 21.803564] ffff00000257b300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.804218] ffff00000257b380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.804871] ==================================================================