Date
Dec. 3, 2024, 11:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.729667] ================================================================== [ 30.730901] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e8 [ 30.731810] Read of size 64 at addr fff00000c590c104 by task kunit_try_catch/171 [ 30.733177] [ 30.734113] CPU: 1 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 30.735752] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.736364] Hardware name: linux,dummy-virt (DT) [ 30.736958] Call trace: [ 30.737299] show_stack+0x20/0x38 (C) [ 30.738178] dump_stack_lvl+0x8c/0xd0 [ 30.738875] print_report+0x118/0x5e0 [ 30.740175] kasan_report+0xc8/0x118 [ 30.740754] kasan_check_range+0x100/0x1a8 [ 30.741353] __asan_memmove+0x3c/0x98 [ 30.742018] kmalloc_memmove_invalid_size+0x154/0x2e8 [ 30.743251] kunit_try_run_case+0x14c/0x3d0 [ 30.743895] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.744655] kthread+0x24c/0x2d0 [ 30.745153] ret_from_fork+0x10/0x20 [ 30.745838] [ 30.746123] Allocated by task 171: [ 30.746656] kasan_save_stack+0x3c/0x68 [ 30.748030] kasan_save_track+0x20/0x40 [ 30.748718] kasan_save_alloc_info+0x40/0x58 [ 30.749362] __kasan_kmalloc+0xd4/0xd8 [ 30.749998] __kmalloc_cache_noprof+0x15c/0x3c0 [ 30.750859] kmalloc_memmove_invalid_size+0xb0/0x2e8 [ 30.751842] kunit_try_run_case+0x14c/0x3d0 [ 30.752417] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.753278] kthread+0x24c/0x2d0 [ 30.753809] ret_from_fork+0x10/0x20 [ 30.754461] [ 30.754806] The buggy address belongs to the object at fff00000c590c100 [ 30.754806] which belongs to the cache kmalloc-64 of size 64 [ 30.756803] The buggy address is located 4 bytes inside of [ 30.756803] allocated 64-byte region [fff00000c590c100, fff00000c590c140) [ 30.758014] [ 30.758392] The buggy address belongs to the physical page: [ 30.759070] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10590c [ 30.760078] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.760890] page_type: f5(slab) [ 30.761772] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 30.762696] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 30.763795] page dumped because: kasan: bad access detected [ 30.764470] [ 30.764763] Memory state around the buggy address: [ 30.765469] fff00000c590c000: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 30.767865] fff00000c590c080: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 30.768778] >fff00000c590c100: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 30.769738] ^ [ 30.770303] fff00000c590c180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.772316] fff00000c590c200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.773104] ==================================================================
[ 26.306237] ================================================================== [ 26.307341] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x170/0x330 [ 26.308431] Read of size 64 at addr ffff888102a12304 by task kunit_try_catch/191 [ 26.309755] [ 26.310106] CPU: 1 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 26.311150] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.311506] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.312537] Call Trace: [ 26.313030] <TASK> [ 26.313693] dump_stack_lvl+0x73/0xb0 [ 26.314156] print_report+0xd1/0x640 [ 26.314769] ? __virt_addr_valid+0x1db/0x2d0 [ 26.315457] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.315919] kasan_report+0x102/0x140 [ 26.316202] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 26.317049] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 26.317700] kasan_check_range+0x10c/0x1c0 [ 26.317892] __asan_memmove+0x27/0x70 [ 26.318034] kmalloc_memmove_invalid_size+0x170/0x330 [ 26.318330] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 26.319409] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 26.320250] kunit_try_run_case+0x1b3/0x490 [ 26.320911] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.321481] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.322078] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.322656] ? __kthread_parkme+0x82/0x160 [ 26.323019] ? preempt_count_sub+0x50/0x80 [ 26.323341] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.324271] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.324991] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.325716] kthread+0x257/0x310 [ 26.326270] ? __pfx_kthread+0x10/0x10 [ 26.326956] ret_from_fork+0x41/0x80 [ 26.327209] ? __pfx_kthread+0x10/0x10 [ 26.327851] ret_from_fork_asm+0x1a/0x30 [ 26.328578] </TASK> [ 26.329123] [ 26.329326] Allocated by task 191: [ 26.329937] kasan_save_stack+0x3d/0x60 [ 26.330292] kasan_save_track+0x18/0x40 [ 26.330617] kasan_save_alloc_info+0x3b/0x50 [ 26.331202] __kasan_kmalloc+0xb7/0xc0 [ 26.331487] __kmalloc_cache_noprof+0x184/0x410 [ 26.331846] kmalloc_memmove_invalid_size+0xad/0x330 [ 26.332473] kunit_try_run_case+0x1b3/0x490 [ 26.332989] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.333366] kthread+0x257/0x310 [ 26.333596] ret_from_fork+0x41/0x80 [ 26.334018] ret_from_fork_asm+0x1a/0x30 [ 26.334708] [ 26.334994] The buggy address belongs to the object at ffff888102a12300 [ 26.334994] which belongs to the cache kmalloc-64 of size 64 [ 26.335971] The buggy address is located 4 bytes inside of [ 26.335971] allocated 64-byte region [ffff888102a12300, ffff888102a12340) [ 26.337014] [ 26.337198] The buggy address belongs to the physical page: [ 26.338350] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a12 [ 26.339216] flags: 0x200000000000000(node=0|zone=2) [ 26.339586] page_type: f5(slab) [ 26.340187] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 26.341017] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 26.342272] page dumped because: kasan: bad access detected [ 26.342621] [ 26.343209] Memory state around the buggy address: [ 26.343796] ffff888102a12200: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 26.344919] ffff888102a12280: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 26.345390] >ffff888102a12300: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 26.345912] ^ [ 26.346647] ffff888102a12380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.347433] ffff888102a12400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.348370] ==================================================================