Date
Dec. 3, 2024, 11:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.409160] ================================================================== [ 30.410312] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 30.411076] Write of size 128 at addr fff00000c58e8400 by task kunit_try_catch/159 [ 30.411985] [ 30.412317] CPU: 1 UID: 0 PID: 159 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 30.414922] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.415986] Hardware name: linux,dummy-virt (DT) [ 30.416607] Call trace: [ 30.417032] show_stack+0x20/0x38 (C) [ 30.417634] dump_stack_lvl+0x8c/0xd0 [ 30.418231] print_report+0x118/0x5e0 [ 30.419022] kasan_report+0xc8/0x118 [ 30.419967] kasan_check_range+0x100/0x1a8 [ 30.420596] __asan_memset+0x34/0x78 [ 30.421123] kmalloc_oob_in_memset+0x144/0x2d0 [ 30.421771] kunit_try_run_case+0x14c/0x3d0 [ 30.422697] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.424063] kthread+0x24c/0x2d0 [ 30.424632] ret_from_fork+0x10/0x20 [ 30.425181] [ 30.425911] Allocated by task 159: [ 30.426444] kasan_save_stack+0x3c/0x68 [ 30.427026] kasan_save_track+0x20/0x40 [ 30.427628] kasan_save_alloc_info+0x40/0x58 [ 30.428257] __kasan_kmalloc+0xd4/0xd8 [ 30.428834] __kmalloc_cache_noprof+0x15c/0x3c0 [ 30.429486] kmalloc_oob_in_memset+0xb0/0x2d0 [ 30.430092] kunit_try_run_case+0x14c/0x3d0 [ 30.431181] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.432201] kthread+0x24c/0x2d0 [ 30.433439] ret_from_fork+0x10/0x20 [ 30.433961] [ 30.434278] The buggy address belongs to the object at fff00000c58e8400 [ 30.434278] which belongs to the cache kmalloc-128 of size 128 [ 30.435998] The buggy address is located 0 bytes inside of [ 30.435998] allocated 120-byte region [fff00000c58e8400, fff00000c58e8478) [ 30.437860] [ 30.438464] The buggy address belongs to the physical page: [ 30.439605] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058e8 [ 30.440609] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.441409] page_type: f5(slab) [ 30.441859] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.442889] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.443812] page dumped because: kasan: bad access detected [ 30.444556] [ 30.444912] Memory state around the buggy address: [ 30.445918] fff00000c58e8300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.446785] fff00000c58e8380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.447986] >fff00000c58e8400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.448830] ^ [ 30.449705] fff00000c58e8480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.450600] fff00000c58e8500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.452063] ==================================================================
[ 26.006830] ================================================================== [ 26.007529] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x160/0x320 [ 26.008089] Write of size 128 at addr ffff888102985000 by task kunit_try_catch/179 [ 26.008719] [ 26.008958] CPU: 0 UID: 0 PID: 179 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 26.011027] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.011301] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.011900] Call Trace: [ 26.012284] <TASK> [ 26.012599] dump_stack_lvl+0x73/0xb0 [ 26.014098] print_report+0xd1/0x640 [ 26.014656] ? __virt_addr_valid+0x1db/0x2d0 [ 26.015391] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.015799] kasan_report+0x102/0x140 [ 26.016324] ? kmalloc_oob_in_memset+0x160/0x320 [ 26.017021] ? kmalloc_oob_in_memset+0x160/0x320 [ 26.017507] kasan_check_range+0x10c/0x1c0 [ 26.017895] __asan_memset+0x27/0x50 [ 26.018298] kmalloc_oob_in_memset+0x160/0x320 [ 26.018713] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 26.019194] ? __schedule+0xc3e/0x2790 [ 26.020225] ? __pfx_read_tsc+0x10/0x10 [ 26.020751] ? ktime_get_ts64+0x86/0x230 [ 26.021249] kunit_try_run_case+0x1b3/0x490 [ 26.021857] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.022348] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.022955] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.023403] ? __kthread_parkme+0x82/0x160 [ 26.024393] ? preempt_count_sub+0x50/0x80 [ 26.024739] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.025197] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.025641] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.026049] kthread+0x257/0x310 [ 26.026758] ? __pfx_kthread+0x10/0x10 [ 26.027030] ret_from_fork+0x41/0x80 [ 26.027504] ? __pfx_kthread+0x10/0x10 [ 26.028129] ret_from_fork_asm+0x1a/0x30 [ 26.028609] </TASK> [ 26.029077] [ 26.029287] Allocated by task 179: [ 26.029739] kasan_save_stack+0x3d/0x60 [ 26.030796] kasan_save_track+0x18/0x40 [ 26.031092] kasan_save_alloc_info+0x3b/0x50 [ 26.031589] __kasan_kmalloc+0xb7/0xc0 [ 26.032200] __kmalloc_cache_noprof+0x184/0x410 [ 26.032689] kmalloc_oob_in_memset+0xad/0x320 [ 26.033199] kunit_try_run_case+0x1b3/0x490 [ 26.033931] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.034360] kthread+0x257/0x310 [ 26.034969] ret_from_fork+0x41/0x80 [ 26.035432] ret_from_fork_asm+0x1a/0x30 [ 26.036523] [ 26.036883] The buggy address belongs to the object at ffff888102985000 [ 26.036883] which belongs to the cache kmalloc-128 of size 128 [ 26.038028] The buggy address is located 0 bytes inside of [ 26.038028] allocated 120-byte region [ffff888102985000, ffff888102985078) [ 26.038970] [ 26.039268] The buggy address belongs to the physical page: [ 26.039885] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102985 [ 26.040507] flags: 0x200000000000000(node=0|zone=2) [ 26.041354] page_type: f5(slab) [ 26.041716] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 26.042347] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.042866] page dumped because: kasan: bad access detected [ 26.043419] [ 26.043723] Memory state around the buggy address: [ 26.044199] ffff888102984f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.045078] ffff888102984f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.045714] >ffff888102985000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 26.046670] ^ [ 26.047247] ffff888102985080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.048586] ffff888102985100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.049507] ==================================================================