Date
Nov. 20, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 39.500345] ================================================================== [ 39.501653] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 39.502574] Read of size 1 at addr ffff800080ad7bdf by task kunit_try_catch/240 [ 39.503202] [ 39.503609] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 39.504766] Tainted: [B]=BAD_PAGE, [N]=TEST [ 39.505365] Hardware name: linux,dummy-virt (DT) [ 39.506396] Call trace: [ 39.506977] show_stack+0x20/0x38 (C) [ 39.507926] dump_stack_lvl+0x8c/0xd0 [ 39.508638] print_report+0x2fc/0x5e0 [ 39.509656] kasan_report+0xc8/0x118 [ 39.510211] __asan_report_load1_noabort+0x20/0x30 [ 39.510820] kasan_alloca_oob_left+0x2b8/0x310 [ 39.511361] kunit_try_run_case+0x14c/0x3d0 [ 39.512044] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 39.512842] kthread+0x24c/0x2d0 [ 39.513373] ret_from_fork+0x10/0x20 [ 39.514158] [ 39.514524] The buggy address belongs to stack of task kunit_try_catch/240 [ 39.515327] [ 39.515761] The buggy address belongs to the virtual mapping at [ 39.515761] [ffff800080ad0000, ffff800080ad9000) created by: [ 39.515761] kernel_clone+0x140/0x790 [ 39.517163] [ 39.518062] The buggy address belongs to the physical page: [ 39.518766] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10655d [ 39.519587] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 39.520305] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 39.521193] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 39.522249] page dumped because: kasan: bad access detected [ 39.522883] [ 39.523220] Memory state around the buggy address: [ 39.523742] ffff800080ad7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 39.524583] ffff800080ad7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 39.525622] >ffff800080ad7b80: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 39.526245] ^ [ 39.527017] ffff800080ad7c00: cb cb cb cb 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 [ 39.527806] ffff800080ad7c80: 04 f2 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 [ 39.528619] ==================================================================
[ 31.095393] ================================================================== [ 31.096439] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x31f/0x380 [ 31.097007] Read of size 1 at addr ffff888102d27c9f by task kunit_try_catch/258 [ 31.097867] [ 31.098208] CPU: 1 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 31.099098] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.099999] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 31.100643] Call Trace: [ 31.101278] <TASK> [ 31.101589] dump_stack_lvl+0x73/0xb0 [ 31.102646] print_report+0xd1/0x640 [ 31.103172] ? __virt_addr_valid+0x1db/0x2d0 [ 31.103638] ? kasan_addr_to_slab+0x11/0xa0 [ 31.104566] kasan_report+0x102/0x140 [ 31.105062] ? kasan_alloca_oob_left+0x31f/0x380 [ 31.105846] ? kasan_alloca_oob_left+0x31f/0x380 [ 31.106522] __asan_report_load1_noabort+0x18/0x20 [ 31.107026] kasan_alloca_oob_left+0x31f/0x380 [ 31.107768] ? __pfx_trace_event_raw_event_ipi_raise+0x10/0x10 [ 31.108483] ? __schedule+0xc3e/0x2790 [ 31.109091] ? trace_hardirqs_on+0x37/0xe0 [ 31.109545] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 31.110127] ? __schedule+0xc3e/0x2790 [ 31.110859] ? __pfx_read_tsc+0x10/0x10 [ 31.111166] ? ktime_get_ts64+0x84/0x230 [ 31.111915] kunit_try_run_case+0x1b3/0x490 [ 31.112255] ? __pfx_kunit_try_run_case+0x10/0x10 [ 31.112958] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 31.113734] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 31.114409] ? __kthread_parkme+0x82/0x160 [ 31.114993] ? preempt_count_sub+0x50/0x80 [ 31.115583] ? __pfx_kunit_try_run_case+0x10/0x10 [ 31.115957] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 31.116847] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 31.117460] kthread+0x257/0x310 [ 31.117955] ? __pfx_kthread+0x10/0x10 [ 31.118478] ret_from_fork+0x41/0x80 [ 31.119065] ? __pfx_kthread+0x10/0x10 [ 31.119915] ret_from_fork_asm+0x1a/0x30 [ 31.120494] </TASK> [ 31.120746] [ 31.121262] The buggy address belongs to stack of task kunit_try_catch/258 [ 31.121824] [ 31.122115] The buggy address belongs to the physical page: [ 31.122665] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d27 [ 31.123898] flags: 0x200000000000000(node=0|zone=2) [ 31.124448] raw: 0200000000000000 ffffea00040b49c8 ffffea00040b49c8 0000000000000000 [ 31.125041] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 31.125891] page dumped because: kasan: bad access detected [ 31.126385] [ 31.126879] Memory state around the buggy address: [ 31.127510] ffff888102d27b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.128116] ffff888102d27c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.129032] >ffff888102d27c80: ca ca ca ca 00 02 cb cb cb cb cb cb 00 00 00 00 [ 31.129678] ^ [ 31.129980] ffff888102d27d00: 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 00 f3 [ 31.131193] ffff888102d27d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 [ 31.132343] ==================================================================