Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.844039] ================================================================== [ 23.845263] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2e4/0x348 [ 23.846023] Read of size 1 at addr ffff800080bd7bea by task kunit_try_catch/241 [ 23.846694] [ 23.847054] CPU: 0 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 23.847260] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.847337] Hardware name: linux,dummy-virt (DT) [ 23.847572] Call trace: [ 23.847648] dump_backtrace+0x9c/0x128 [ 23.847768] show_stack+0x20/0x38 [ 23.847877] dump_stack_lvl+0x8c/0xd0 [ 23.848012] print_report+0x310/0x5f0 [ 23.848127] kasan_report+0xdc/0x128 [ 23.848190] __asan_report_load1_noabort+0x20/0x30 [ 23.848243] kasan_alloca_oob_right+0x2e4/0x348 [ 23.848295] kunit_try_run_case+0x170/0x3f0 [ 23.848343] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.848396] kthread+0x24c/0x2d0 [ 23.848443] ret_from_fork+0x10/0x20 [ 23.848489] [ 23.856640] The buggy address belongs to stack of task kunit_try_catch/241 [ 23.857434] [ 23.857823] The buggy address belongs to the virtual mapping at [ 23.857823] [ffff800080bd0000, ffff800080bd9000) created by: [ 23.857823] kernel_clone+0x150/0x7a8 [ 23.858861] [ 23.859074] The buggy address belongs to the physical page: [ 23.860306] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1041e7 [ 23.861272] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.862073] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 23.863035] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 23.863981] page dumped because: kasan: bad access detected [ 23.864853] [ 23.865178] Memory state around the buggy address: [ 23.865726] ffff800080bd7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.866548] ffff800080bd7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.867408] >ffff800080bd7b80: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 23.868256] ^ [ 23.869419] ffff800080bd7c00: cb cb cb cb 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 [ 23.870299] ffff800080bd7c80: 04 f2 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 [ 23.871073] ==================================================================
[ 20.507592] ================================================================== [ 20.508461] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x32b/0x390 [ 20.509143] Read of size 1 at addr ffff888102ce7caa by task kunit_try_catch/258 [ 20.509706] [ 20.510039] CPU: 0 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 20.510159] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.510195] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 20.510274] Call Trace: [ 20.510311] <TASK> [ 20.510354] dump_stack_lvl+0x73/0xb0 [ 20.510442] print_report+0xd1/0x640 [ 20.510519] ? __virt_addr_valid+0x1db/0x2d0 [ 20.510642] ? kasan_alloca_oob_right+0x32b/0x390 [ 20.510725] ? kasan_addr_to_slab+0x11/0xa0 [ 20.510827] ? kasan_alloca_oob_right+0x32b/0x390 [ 20.510939] kasan_report+0x140/0x180 [ 20.511027] ? kasan_alloca_oob_right+0x32b/0x390 [ 20.511155] __asan_report_load1_noabort+0x18/0x20 [ 20.511250] kasan_alloca_oob_right+0x32b/0x390 [ 20.511346] ? dup_user_cpus_ptr+0x11e/0x260 [ 20.511420] ? __schedule+0xc49/0x27a0 [ 20.511492] ? trace_hardirqs_on+0x37/0xe0 [ 20.511576] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 20.511667] ? __schedule+0xc49/0x27a0 [ 20.511718] ? __pfx_read_tsc+0x10/0x10 [ 20.511751] ? ktime_get_ts64+0x84/0x230 [ 20.511788] kunit_try_run_case+0x1a6/0x480 [ 20.511844] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.511882] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 20.511912] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 20.511947] ? __kthread_parkme+0x82/0x160 [ 20.511975] ? preempt_count_sub+0x50/0x80 [ 20.512004] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.512032] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 20.512069] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.512105] kthread+0x257/0x310 [ 20.512130] ? __pfx_kthread+0x10/0x10 [ 20.512157] ret_from_fork+0x41/0x80 [ 20.512185] ? __pfx_kthread+0x10/0x10 [ 20.512210] ret_from_fork_asm+0x1a/0x30 [ 20.512280] </TASK> [ 20.512294] [ 20.530965] The buggy address belongs to stack of task kunit_try_catch/258 [ 20.531746] [ 20.532004] The buggy address belongs to the physical page: [ 20.532494] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ce7 [ 20.533080] flags: 0x200000000000000(node=0|zone=2) [ 20.534091] raw: 0200000000000000 ffffea00040b39c8 ffffea00040b39c8 0000000000000000 [ 20.534919] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 20.535706] page dumped because: kasan: bad access detected [ 20.536266] [ 20.536644] Memory state around the buggy address: [ 20.537161] ffff888102ce7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.537787] ffff888102ce7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.538836] >ffff888102ce7c80: ca ca ca ca 00 02 cb cb cb cb cb cb 00 00 00 00 [ 20.539614] ^ [ 20.540082] ffff888102ce7d00: 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 00 f3 [ 20.541378] ffff888102ce7d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 [ 20.541796] ==================================================================