Date
Nov. 22, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 37.005413] ================================================================== [ 37.007686] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2e4/0x348 [ 37.008704] Read of size 1 at addr ffff800080b97bea by task kunit_try_catch/242 [ 37.009475] [ 37.009922] CPU: 0 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 37.011422] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.011979] Hardware name: linux,dummy-virt (DT) [ 37.012698] Call trace: [ 37.013065] show_stack+0x20/0x38 (C) [ 37.013731] dump_stack_lvl+0x8c/0xd0 [ 37.014383] print_report+0x2fc/0x5e0 [ 37.015009] kasan_report+0xc8/0x118 [ 37.015583] __asan_report_load1_noabort+0x20/0x30 [ 37.016283] kasan_alloca_oob_right+0x2e4/0x348 [ 37.017029] kunit_try_run_case+0x14c/0x3d0 [ 37.017593] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.018374] kthread+0x24c/0x2d0 [ 37.019054] ret_from_fork+0x10/0x20 [ 37.019645] [ 37.020007] The buggy address belongs to stack of task kunit_try_catch/242 [ 37.020887] [ 37.021212] The buggy address belongs to the virtual mapping at [ 37.021212] [ffff800080b90000, ffff800080b99000) created by: [ 37.021212] kernel_clone+0x140/0x790 [ 37.022906] [ 37.023280] The buggy address belongs to the physical page: [ 37.024167] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10612d [ 37.025135] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.025974] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 37.027086] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 37.027879] page dumped because: kasan: bad access detected [ 37.028586] [ 37.028983] Memory state around the buggy address: [ 37.029597] ffff800080b97a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.030516] ffff800080b97b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.031424] >ffff800080b97b80: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 37.032246] ^ [ 37.033134] ffff800080b97c00: cb cb cb cb 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 [ 37.034061] ffff800080b97c80: 04 f2 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 [ 37.034991] ==================================================================
[ 27.948310] ================================================================== [ 27.949135] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x328/0x390 [ 27.950289] Read of size 1 at addr ffff888102d67caa by task kunit_try_catch/261 [ 27.951137] [ 27.951356] CPU: 0 UID: 0 PID: 261 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 27.952073] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.953351] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.953849] Call Trace: [ 27.954054] <TASK> [ 27.954327] dump_stack_lvl+0x73/0xb0 [ 27.954784] print_report+0xd1/0x640 [ 27.955234] ? __virt_addr_valid+0x1db/0x2d0 [ 27.955714] ? kasan_addr_to_slab+0x11/0xa0 [ 27.956550] kasan_report+0x102/0x140 [ 27.957606] ? kasan_alloca_oob_right+0x328/0x390 [ 27.958078] ? kasan_alloca_oob_right+0x328/0x390 [ 27.959069] __asan_report_load1_noabort+0x18/0x20 [ 27.959714] kasan_alloca_oob_right+0x328/0x390 [ 27.960760] ? __schedule+0xc3e/0x2790 [ 27.961356] ? finish_task_switch.isra.0+0x153/0x700 [ 27.961713] ? finish_task_switch.isra.0+0x156/0x700 [ 27.962560] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 27.963516] ? __schedule+0xc3e/0x2790 [ 27.963924] ? __pfx_read_tsc+0x10/0x10 [ 27.964742] ? ktime_get_ts64+0x84/0x230 [ 27.965641] kunit_try_run_case+0x1b3/0x490 [ 27.966464] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.967322] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 27.968249] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.968654] ? __kthread_parkme+0x82/0x160 [ 27.969602] ? preempt_count_sub+0x50/0x80 [ 27.970149] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.970959] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.971817] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.972359] kthread+0x257/0x310 [ 27.972750] ? __pfx_kthread+0x10/0x10 [ 27.973733] ret_from_fork+0x41/0x80 [ 27.974325] ? __pfx_kthread+0x10/0x10 [ 27.974607] ret_from_fork_asm+0x1a/0x30 [ 27.975343] </TASK> [ 27.975653] [ 27.975906] The buggy address belongs to stack of task kunit_try_catch/261 [ 27.976461] [ 27.976765] The buggy address belongs to the physical page: [ 27.977310] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d67 [ 27.978108] flags: 0x200000000000000(node=0|zone=2) [ 27.979233] raw: 0200000000000000 ffffea00040b59c8 ffffea00040b59c8 0000000000000000 [ 27.980113] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 27.981156] page dumped because: kasan: bad access detected [ 27.981598] [ 27.981752] Memory state around the buggy address: [ 27.982468] ffff888102d67b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.982800] ffff888102d67c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.983149] >ffff888102d67c80: ca ca ca ca 00 02 cb cb cb cb cb cb 00 00 00 00 [ 27.983462] ^ [ 27.983704] ffff888102d67d00: 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 00 f3 [ 27.985141] ffff888102d67d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 [ 27.985843] ==================================================================