Date
Dec. 4, 2024, 3:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 34.423764] ================================================================== [ 34.424977] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x314/0x340 [ 34.425703] Read of size 1 at addr fff00000c66e1900 by task kunit_try_catch/215 [ 34.426843] [ 34.427958] CPU: 1 UID: 0 PID: 215 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 34.429289] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.430566] Hardware name: linux,dummy-virt (DT) [ 34.431179] Call trace: [ 34.431713] show_stack+0x20/0x38 (C) [ 34.432388] dump_stack_lvl+0x8c/0xd0 [ 34.433007] print_report+0x118/0x5e0 [ 34.433606] kasan_report+0xc8/0x118 [ 34.434165] __asan_report_load1_noabort+0x20/0x30 [ 34.434976] mempool_uaf_helper+0x314/0x340 [ 34.435605] mempool_kmalloc_uaf+0xbc/0x118 [ 34.436237] kunit_try_run_case+0x14c/0x3d0 [ 34.436798] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.437602] kthread+0x24c/0x2d0 [ 34.438225] ret_from_fork+0x10/0x20 [ 34.438773] [ 34.439243] Allocated by task 215: [ 34.439690] kasan_save_stack+0x3c/0x68 [ 34.440354] kasan_save_track+0x20/0x40 [ 34.440925] kasan_save_alloc_info+0x40/0x58 [ 34.441526] __kasan_mempool_unpoison_object+0x11c/0x180 [ 34.442155] remove_element+0x130/0x1f8 [ 34.442846] mempool_alloc_preallocated+0x58/0xc0 [ 34.443567] mempool_uaf_helper+0xa4/0x340 [ 34.444229] mempool_kmalloc_uaf+0xbc/0x118 [ 34.444761] kunit_try_run_case+0x14c/0x3d0 [ 34.445485] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.446143] kthread+0x24c/0x2d0 [ 34.446840] ret_from_fork+0x10/0x20 [ 34.447429] [ 34.447871] Freed by task 215: [ 34.448358] kasan_save_stack+0x3c/0x68 [ 34.449086] kasan_save_track+0x20/0x40 [ 34.449612] kasan_save_free_info+0x4c/0x78 [ 34.450184] __kasan_mempool_poison_object+0xc0/0x150 [ 34.451113] mempool_free+0x28c/0x328 [ 34.451719] mempool_uaf_helper+0x104/0x340 [ 34.452406] mempool_kmalloc_uaf+0xbc/0x118 [ 34.453001] kunit_try_run_case+0x14c/0x3d0 [ 34.453597] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.454402] kthread+0x24c/0x2d0 [ 34.455016] ret_from_fork+0x10/0x20 [ 34.455558] [ 34.455922] The buggy address belongs to the object at fff00000c66e1900 [ 34.455922] which belongs to the cache kmalloc-128 of size 128 [ 34.457405] The buggy address is located 0 bytes inside of [ 34.457405] freed 128-byte region [fff00000c66e1900, fff00000c66e1980) [ 34.458804] [ 34.459125] The buggy address belongs to the physical page: [ 34.459892] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1066e1 [ 34.460979] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.461757] page_type: f5(slab) [ 34.462348] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 34.463391] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 34.464309] page dumped because: kasan: bad access detected [ 34.464949] [ 34.465317] Memory state around the buggy address: [ 34.465939] fff00000c66e1800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.466946] fff00000c66e1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.467845] >fff00000c66e1900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.468778] ^ [ 34.469229] fff00000c66e1980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.470119] fff00000c66e1a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 34.471063] ================================================================== [ 34.533199] ================================================================== [ 34.534885] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x314/0x340 [ 34.535836] Read of size 1 at addr fff00000c6643240 by task kunit_try_catch/219 [ 34.537503] [ 34.538048] CPU: 0 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 34.539615] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.540045] Hardware name: linux,dummy-virt (DT) [ 34.540831] Call trace: [ 34.541518] show_stack+0x20/0x38 (C) [ 34.542662] dump_stack_lvl+0x8c/0xd0 [ 34.543256] print_report+0x118/0x5e0 [ 34.543852] kasan_report+0xc8/0x118 [ 34.544430] __asan_report_load1_noabort+0x20/0x30 [ 34.545151] mempool_uaf_helper+0x314/0x340 [ 34.545843] mempool_slab_uaf+0xb8/0x110 [ 34.546341] kunit_try_run_case+0x14c/0x3d0 [ 34.547708] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.548382] kthread+0x24c/0x2d0 [ 34.549103] ret_from_fork+0x10/0x20 [ 34.550460] [ 34.550783] Allocated by task 219: [ 34.551284] kasan_save_stack+0x3c/0x68 [ 34.551811] kasan_save_track+0x20/0x40 [ 34.552513] kasan_save_alloc_info+0x40/0x58 [ 34.553297] __kasan_mempool_unpoison_object+0xbc/0x180 [ 34.554014] remove_element+0x16c/0x1f8 [ 34.554569] mempool_alloc_preallocated+0x58/0xc0 [ 34.555288] mempool_uaf_helper+0xa4/0x340 [ 34.555985] mempool_slab_uaf+0xb8/0x110 [ 34.556575] kunit_try_run_case+0x14c/0x3d0 [ 34.558263] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.559014] kthread+0x24c/0x2d0 [ 34.559541] ret_from_fork+0x10/0x20 [ 34.560363] [ 34.560691] Freed by task 219: [ 34.561116] kasan_save_stack+0x3c/0x68 [ 34.562744] kasan_save_track+0x20/0x40 [ 34.563363] kasan_save_free_info+0x4c/0x78 [ 34.563925] __kasan_mempool_poison_object+0xc0/0x150 [ 34.564611] mempool_free+0x28c/0x328 [ 34.565287] mempool_uaf_helper+0x104/0x340 [ 34.566013] mempool_slab_uaf+0xb8/0x110 [ 34.566714] kunit_try_run_case+0x14c/0x3d0 [ 34.567339] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.568009] kthread+0x24c/0x2d0 [ 34.569015] ret_from_fork+0x10/0x20 [ 34.569584] [ 34.569942] The buggy address belongs to the object at fff00000c6643240 [ 34.569942] which belongs to the cache test_cache of size 123 [ 34.571946] The buggy address is located 0 bytes inside of [ 34.571946] freed 123-byte region [fff00000c6643240, fff00000c66432bb) [ 34.573287] [ 34.573669] The buggy address belongs to the physical page: [ 34.574914] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106643 [ 34.576060] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.577037] page_type: f5(slab) [ 34.577499] raw: 0bfffe0000000000 fff00000c6651140 dead000000000122 0000000000000000 [ 34.578763] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 34.579425] page dumped because: kasan: bad access detected [ 34.580246] [ 34.580546] Memory state around the buggy address: [ 34.581371] fff00000c6643100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 34.582260] fff00000c6643180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.583673] >fff00000c6643200: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 34.584497] ^ [ 34.585245] fff00000c6643280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 34.586359] fff00000c6643300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.587253] ==================================================================
[ 25.172579] ================================================================== [ 25.173850] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x394/0x400 [ 25.174922] Read of size 1 at addr ffff888102992a00 by task kunit_try_catch/235 [ 25.175616] [ 25.175898] CPU: 1 UID: 0 PID: 235 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 25.178603] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.179014] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.180249] Call Trace: [ 25.180543] <TASK> [ 25.180793] dump_stack_lvl+0x73/0xb0 [ 25.181797] print_report+0xd1/0x640 [ 25.182179] ? __virt_addr_valid+0x1db/0x2d0 [ 25.182897] ? kasan_complete_mode_report_info+0x64/0x200 [ 25.183326] kasan_report+0x102/0x140 [ 25.184015] ? mempool_uaf_helper+0x394/0x400 [ 25.184905] ? mempool_uaf_helper+0x394/0x400 [ 25.185528] __asan_report_load1_noabort+0x18/0x20 [ 25.186044] mempool_uaf_helper+0x394/0x400 [ 25.186382] ? __pfx_mempool_uaf_helper+0x10/0x10 [ 25.187058] ? finish_task_switch.isra.0+0x153/0x700 [ 25.188161] mempool_kmalloc_uaf+0xb3/0x100 [ 25.189137] ? __pfx_mempool_kmalloc_uaf+0x10/0x10 [ 25.189971] ? __switch_to+0x5d9/0xf60 [ 25.190988] ? __pfx_mempool_kmalloc+0x10/0x10 [ 25.191549] ? __pfx_mempool_kfree+0x10/0x10 [ 25.192082] ? __pfx_read_tsc+0x10/0x10 [ 25.192535] ? ktime_get_ts64+0x86/0x230 [ 25.193684] kunit_try_run_case+0x1b3/0x490 [ 25.194143] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.195177] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 25.196261] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.197008] ? __kthread_parkme+0x82/0x160 [ 25.197763] ? preempt_count_sub+0x50/0x80 [ 25.198554] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.199312] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.200197] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.201162] kthread+0x257/0x310 [ 25.201786] ? __pfx_kthread+0x10/0x10 [ 25.202305] ret_from_fork+0x41/0x80 [ 25.203012] ? __pfx_kthread+0x10/0x10 [ 25.203961] ret_from_fork_asm+0x1a/0x30 [ 25.204812] </TASK> [ 25.205003] [ 25.205661] Allocated by task 235: [ 25.206044] kasan_save_stack+0x3d/0x60 [ 25.206538] kasan_save_track+0x18/0x40 [ 25.207353] kasan_save_alloc_info+0x3b/0x50 [ 25.207946] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 25.209171] remove_element+0x11e/0x190 [ 25.209745] mempool_alloc_preallocated+0x4d/0x90 [ 25.210038] mempool_uaf_helper+0x97/0x400 [ 25.210855] mempool_kmalloc_uaf+0xb3/0x100 [ 25.212015] kunit_try_run_case+0x1b3/0x490 [ 25.212444] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.213083] kthread+0x257/0x310 [ 25.213518] ret_from_fork+0x41/0x80 [ 25.214480] ret_from_fork_asm+0x1a/0x30 [ 25.215036] [ 25.215415] Freed by task 235: [ 25.216095] kasan_save_stack+0x3d/0x60 [ 25.216832] kasan_save_track+0x18/0x40 [ 25.217595] kasan_save_free_info+0x3f/0x60 [ 25.218158] __kasan_mempool_poison_object+0x131/0x1d0 [ 25.218524] mempool_free+0x2ec/0x380 [ 25.219148] mempool_uaf_helper+0x11b/0x400 [ 25.219977] mempool_kmalloc_uaf+0xb3/0x100 [ 25.220924] kunit_try_run_case+0x1b3/0x490 [ 25.221842] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.223045] kthread+0x257/0x310 [ 25.223662] ret_from_fork+0x41/0x80 [ 25.223877] ret_from_fork_asm+0x1a/0x30 [ 25.224066] [ 25.224236] The buggy address belongs to the object at ffff888102992a00 [ 25.224236] which belongs to the cache kmalloc-128 of size 128 [ 25.225735] The buggy address is located 0 bytes inside of [ 25.225735] freed 128-byte region [ffff888102992a00, ffff888102992a80) [ 25.227749] [ 25.227949] The buggy address belongs to the physical page: [ 25.228485] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102992 [ 25.230027] flags: 0x200000000000000(node=0|zone=2) [ 25.231575] page_type: f5(slab) [ 25.232584] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 25.234628] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.235239] page dumped because: kasan: bad access detected [ 25.235815] [ 25.236011] Memory state around the buggy address: [ 25.236477] ffff888102992900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.237423] ffff888102992980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.238261] >ffff888102992a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.238984] ^ [ 25.239228] ffff888102992a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.240122] ffff888102992b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.241154] ================================================================== [ 25.298489] ================================================================== [ 25.299507] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x394/0x400 [ 25.300961] Read of size 1 at addr ffff8881029a0240 by task kunit_try_catch/239 [ 25.302715] [ 25.303095] CPU: 1 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 25.304873] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.305758] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.306470] Call Trace: [ 25.306750] <TASK> [ 25.307298] dump_stack_lvl+0x73/0xb0 [ 25.308459] print_report+0xd1/0x640 [ 25.308816] ? __virt_addr_valid+0x1db/0x2d0 [ 25.309172] ? kasan_complete_mode_report_info+0x64/0x200 [ 25.310032] kasan_report+0x102/0x140 [ 25.310574] ? mempool_uaf_helper+0x394/0x400 [ 25.311228] ? mempool_uaf_helper+0x394/0x400 [ 25.312076] __asan_report_load1_noabort+0x18/0x20 [ 25.312770] mempool_uaf_helper+0x394/0x400 [ 25.313419] ? __pfx_mempool_uaf_helper+0x10/0x10 [ 25.313826] ? finish_task_switch.isra.0+0x153/0x700 [ 25.314395] mempool_slab_uaf+0xae/0x100 [ 25.314902] ? __pfx_mempool_slab_uaf+0x10/0x10 [ 25.315386] ? __switch_to+0x5d9/0xf60 [ 25.315985] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 25.316516] ? __pfx_mempool_free_slab+0x10/0x10 [ 25.317100] ? __pfx_read_tsc+0x10/0x10 [ 25.317446] ? ktime_get_ts64+0x86/0x230 [ 25.318054] kunit_try_run_case+0x1b3/0x490 [ 25.318481] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.319084] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 25.319780] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.320217] ? __kthread_parkme+0x82/0x160 [ 25.320832] ? preempt_count_sub+0x50/0x80 [ 25.321300] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.321901] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.322636] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.323301] kthread+0x257/0x310 [ 25.323824] ? __pfx_kthread+0x10/0x10 [ 25.324170] ret_from_fork+0x41/0x80 [ 25.324690] ? __pfx_kthread+0x10/0x10 [ 25.325097] ret_from_fork_asm+0x1a/0x30 [ 25.325715] </TASK> [ 25.326008] [ 25.326304] Allocated by task 239: [ 25.326697] kasan_save_stack+0x3d/0x60 [ 25.327276] kasan_save_track+0x18/0x40 [ 25.327699] kasan_save_alloc_info+0x3b/0x50 [ 25.328239] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 25.328857] remove_element+0x11e/0x190 [ 25.329363] mempool_alloc_preallocated+0x4d/0x90 [ 25.329857] mempool_uaf_helper+0x97/0x400 [ 25.330402] mempool_slab_uaf+0xae/0x100 [ 25.330835] kunit_try_run_case+0x1b3/0x490 [ 25.331388] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.331876] kthread+0x257/0x310 [ 25.332334] ret_from_fork+0x41/0x80 [ 25.332822] ret_from_fork_asm+0x1a/0x30 [ 25.333347] [ 25.333697] Freed by task 239: [ 25.334049] kasan_save_stack+0x3d/0x60 [ 25.334603] kasan_save_track+0x18/0x40 [ 25.335179] kasan_save_free_info+0x3f/0x60 [ 25.335779] __kasan_mempool_poison_object+0x131/0x1d0 [ 25.336197] mempool_free+0x2ec/0x380 [ 25.336776] mempool_uaf_helper+0x11b/0x400 [ 25.337266] mempool_slab_uaf+0xae/0x100 [ 25.337673] kunit_try_run_case+0x1b3/0x490 [ 25.338386] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.338975] kthread+0x257/0x310 [ 25.339361] ret_from_fork+0x41/0x80 [ 25.339870] ret_from_fork_asm+0x1a/0x30 [ 25.340225] [ 25.340468] The buggy address belongs to the object at ffff8881029a0240 [ 25.340468] which belongs to the cache test_cache of size 123 [ 25.341527] The buggy address is located 0 bytes inside of [ 25.341527] freed 123-byte region [ffff8881029a0240, ffff8881029a02bb) [ 25.342766] [ 25.343021] The buggy address belongs to the physical page: [ 25.343643] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029a0 [ 25.345219] flags: 0x200000000000000(node=0|zone=2) [ 25.345696] page_type: f5(slab) [ 25.346032] raw: 0200000000000000 ffff8881029973c0 dead000000000122 0000000000000000 [ 25.346956] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 25.347831] page dumped because: kasan: bad access detected [ 25.348492] [ 25.348836] Memory state around the buggy address: [ 25.349435] ffff8881029a0100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 25.350537] ffff8881029a0180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.351430] >ffff8881029a0200: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 25.352101] ^ [ 25.352751] ffff8881029a0280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 25.353371] ffff8881029a0300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.354104] ==================================================================