Date
Nov. 28, 2024, 2:36 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.373912] ================================================================== [ 33.375026] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2e4/0x348 [ 33.375912] Read of size 1 at addr ffff800080b67bea by task kunit_try_catch/241 [ 33.376580] [ 33.376989] CPU: 0 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 33.378256] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.378818] Hardware name: linux,dummy-virt (DT) [ 33.379458] Call trace: [ 33.379877] show_stack+0x20/0x38 (C) [ 33.380741] dump_stack_lvl+0x8c/0xd0 [ 33.382142] print_report+0x2fc/0x5e0 [ 33.382675] kasan_report+0xc8/0x118 [ 33.383270] __asan_report_load1_noabort+0x20/0x30 [ 33.383940] kasan_alloca_oob_right+0x2e4/0x348 [ 33.384631] kunit_try_run_case+0x14c/0x3d0 [ 33.385226] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.385804] kthread+0x24c/0x2d0 [ 33.386573] ret_from_fork+0x10/0x20 [ 33.387343] [ 33.387852] The buggy address belongs to stack of task kunit_try_catch/241 [ 33.388647] [ 33.389869] The buggy address belongs to the virtual mapping at [ 33.389869] [ffff800080b60000, ffff800080b69000) created by: [ 33.389869] kernel_clone+0x140/0x788 [ 33.391172] [ 33.391521] The buggy address belongs to the physical page: [ 33.392074] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106387 [ 33.393409] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.394231] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 33.395073] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.395882] page dumped because: kasan: bad access detected [ 33.396505] [ 33.396845] Memory state around the buggy address: [ 33.398333] ffff800080b67a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.399130] ffff800080b67b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.399901] >ffff800080b67b80: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 33.400628] ^ [ 33.401778] ffff800080b67c00: cb cb cb cb 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 [ 33.402541] ffff800080b67c80: 04 f2 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 [ 33.403289] ==================================================================
[ 24.304744] ================================================================== [ 24.305968] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x328/0x390 [ 24.307147] Read of size 1 at addr ffff888102d37caa by task kunit_try_catch/261 [ 24.307887] [ 24.308063] CPU: 0 UID: 0 PID: 261 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 24.309009] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.309612] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.310537] Call Trace: [ 24.310761] <TASK> [ 24.311068] dump_stack_lvl+0x73/0xb0 [ 24.312366] print_report+0xd1/0x640 [ 24.312809] ? __virt_addr_valid+0x1db/0x2d0 [ 24.313366] ? kasan_addr_to_slab+0x11/0xa0 [ 24.313830] kasan_report+0x102/0x140 [ 24.314238] ? kasan_alloca_oob_right+0x328/0x390 [ 24.314770] ? kasan_alloca_oob_right+0x328/0x390 [ 24.315298] __asan_report_load1_noabort+0x18/0x20 [ 24.315851] kasan_alloca_oob_right+0x328/0x390 [ 24.316771] ? irqentry_exit+0x2a/0x60 [ 24.317248] ? insn_get_addr_ref+0x170/0x760 [ 24.318070] ? trace_hardirqs_on+0x37/0xe0 [ 24.318567] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 24.319264] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 24.320063] kunit_try_run_case+0x1b3/0x490 [ 24.320746] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.321278] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 24.322173] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.322769] ? __kthread_parkme+0x82/0x160 [ 24.323193] ? preempt_count_sub+0x50/0x80 [ 24.323636] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.324317] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.325024] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.325649] kthread+0x257/0x310 [ 24.326076] ? __pfx_kthread+0x10/0x10 [ 24.327109] ret_from_fork+0x41/0x80 [ 24.327715] ? __pfx_kthread+0x10/0x10 [ 24.328281] ret_from_fork_asm+0x1a/0x30 [ 24.328785] </TASK> [ 24.329031] [ 24.329411] The buggy address belongs to stack of task kunit_try_catch/261 [ 24.330017] [ 24.330240] The buggy address belongs to the physical page: [ 24.330679] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d37 [ 24.331402] flags: 0x200000000000000(node=0|zone=2) [ 24.331843] raw: 0200000000000000 ffffea00040b4dc8 ffffea00040b4dc8 0000000000000000 [ 24.332742] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 24.334296] page dumped because: kasan: bad access detected [ 24.334806] [ 24.335043] Memory state around the buggy address: [ 24.335363] ffff888102d37b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.336024] ffff888102d37c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.336892] >ffff888102d37c80: ca ca ca ca 00 02 cb cb cb cb cb cb 00 00 00 00 [ 24.337513] ^ [ 24.338668] ffff888102d37d00: 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 00 f3 [ 24.339252] ffff888102d37d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 [ 24.339891] ==================================================================