Date
June 17, 2025, 3:39 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 93.926004] ================================================================== [ 93.926817] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x114/0x200 [ 93.928003] Read of size 1 at addr ffff800080897c0a by task kunit_try_catch/189 [ 93.928773] [ 93.929106] CPU: 1 PID: 189 Comm: kunit_try_catch Tainted: G B N 6.6.94-rc1 #1 [ 93.929952] Hardware name: linux,dummy-virt (DT) [ 93.930396] Call trace: [ 93.930873] dump_backtrace+0x9c/0x128 [ 93.931397] show_stack+0x20/0x38 [ 93.931880] dump_stack_lvl+0x60/0xb0 [ 93.932382] print_report+0x328/0x5e8 [ 93.932862] kasan_report+0xdc/0x128 [ 93.933370] __asan_load1+0x60/0x70 [ 93.933825] kasan_alloca_oob_right+0x114/0x200 [ 93.934358] kunit_try_run_case+0x114/0x298 [ 93.935067] kunit_generic_run_threadfn_adapter+0x38/0x60 [ 93.935769] kthread+0x18c/0x1a8 [ 93.936207] ret_from_fork+0x10/0x20 [ 93.936726] [ 93.937066] The buggy address belongs to stack of task kunit_try_catch/189 [ 93.937590] [ 93.937796] The buggy address belongs to the virtual mapping at [ 93.937796] [ffff800080890000, ffff800080899000) created by: [ 93.937796] kernel_clone+0x108/0x550 [ 93.939265] [ 93.939606] The buggy address belongs to the physical page: [ 93.940235] page:000000005a75b1e9 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106088 [ 93.940960] flags: 0xbfffc0000000000(node=0|zone=2|lastcpupid=0xffff) [ 93.941419] page_type: 0xffffffff() [ 93.941746] raw: 0bfffc0000000000 0000000000000000 dead000000000122 0000000000000000 [ 93.942228] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 93.943132] page dumped because: kasan: bad access detected [ 93.943732] [ 93.944013] Memory state around the buggy address: [ 93.944498] ffff800080897b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 93.945218] ffff800080897b80: 00 00 00 00 00 00 00 00 00 00 00 00 ca ca ca ca [ 93.945919] >ffff800080897c00: 00 02 cb cb cb cb cb cb 00 00 f1 f1 f1 f1 01 f2 [ 93.946601] ^ [ 93.948273] ffff800080897c80: 04 f2 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 [ 93.948982] ffff800080897d00: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 [ 93.949676] ==================================================================
[ 35.016126] ================================================================== [ 35.016815] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x10a/0x200 [ 35.017331] Read of size 1 at addr ffff888102a87cca by task kunit_try_catch/204 [ 35.017771] [ 35.017917] CPU: 1 PID: 204 Comm: kunit_try_catch Tainted: G B N 6.6.94-rc1 #1 [ 35.018445] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 35.019226] Call Trace: [ 35.019650] <TASK> [ 35.019871] dump_stack_lvl+0x4e/0x90 [ 35.020189] print_report+0xd2/0x650 [ 35.020469] ? __virt_addr_valid+0x156/0x1e0 [ 35.020820] ? kasan_alloca_oob_right+0x10a/0x200 [ 35.021193] ? kasan_addr_to_slab+0x11/0xb0 [ 35.021451] ? kasan_alloca_oob_right+0x10a/0x200 [ 35.021822] kasan_report+0x147/0x180 [ 35.022122] ? kasan_alloca_oob_right+0x10a/0x200 [ 35.022466] __asan_load1+0x66/0x70 [ 35.023146] kasan_alloca_oob_right+0x10a/0x200 [ 35.023490] ? set_user_nice+0x30e/0x420 [ 35.023789] ? __schedule+0x715/0x11a0 [ 35.024093] ? trace_hardirqs_on+0x37/0xd0 [ 35.024391] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 35.024735] ? __schedule+0x715/0x11a0 [ 35.025035] ? ktime_get_ts64+0x118/0x140 [ 35.025317] kunit_try_run_case+0x120/0x290 [ 35.025635] ? __pfx_kunit_try_run_case+0x10/0x10 [ 35.026046] ? __kasan_check_write+0x18/0x20 [ 35.026340] ? trace_preempt_on+0x20/0xa0 [ 35.026643] ? __kthread_parkme+0x4f/0xd0 [ 35.027490] ? preempt_count_sub+0x50/0x80 [ 35.027774] ? __pfx_kunit_try_run_case+0x10/0x10 [ 35.028117] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 35.028523] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 35.028927] kthread+0x19e/0x1e0 [ 35.029198] ? __pfx_kthread+0x10/0x10 [ 35.029451] ret_from_fork+0x41/0x70 [ 35.029726] ? __pfx_kthread+0x10/0x10 [ 35.029999] ret_from_fork_asm+0x1b/0x30 [ 35.030334] </TASK> [ 35.030508] [ 35.030644] The buggy address belongs to stack of task kunit_try_catch/204 [ 35.031610] [ 35.031772] The buggy address belongs to the physical page: [ 35.032103] page:(____ptrval____) refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a87 [ 35.032622] flags: 0x200000000000000(node=0|zone=2) [ 35.033015] page_type: 0xffffffff() [ 35.033256] raw: 0200000000000000 ffffea00040aa1c8 ffffea00040aa1c8 0000000000000000 [ 35.033718] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 35.034155] page dumped because: kasan: bad access detected [ 35.034521] [ 35.034658] Memory state around the buggy address: [ 35.035536] ffff888102a87b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 35.036202] ffff888102a87c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 35.036676] >ffff888102a87c80: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 35.037115] ^ [ 35.037437] ffff888102a87d00: 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 [ 35.037887] ffff888102a87d80: 00 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 f1 [ 35.038277] ==================================================================