Date
Dec. 9, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.438473] ================================================================== [ 26.439590] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x314/0x340 [ 26.440760] Read of size 1 at addr fff00000c1287240 by task kunit_try_catch/219 [ 26.441401] [ 26.441733] CPU: 0 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.443605] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.444353] Hardware name: linux,dummy-virt (DT) [ 26.445138] Call trace: [ 26.445420] show_stack+0x20/0x38 (C) [ 26.446063] dump_stack_lvl+0x8c/0xd0 [ 26.446747] print_report+0x118/0x5e0 [ 26.447675] kasan_report+0xc8/0x118 [ 26.448296] __asan_report_load1_noabort+0x20/0x30 [ 26.449008] mempool_uaf_helper+0x314/0x340 [ 26.449627] mempool_slab_uaf+0xb8/0x110 [ 26.450248] kunit_try_run_case+0x14c/0x3d0 [ 26.450947] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.451780] kthread+0x24c/0x2d0 [ 26.452509] ret_from_fork+0x10/0x20 [ 26.453167] [ 26.453553] Allocated by task 219: [ 26.454133] kasan_save_stack+0x3c/0x68 [ 26.454717] kasan_save_track+0x20/0x40 [ 26.455589] kasan_save_alloc_info+0x40/0x58 [ 26.456137] __kasan_mempool_unpoison_object+0xbc/0x180 [ 26.456794] remove_element+0x16c/0x1f8 [ 26.457358] mempool_alloc_preallocated+0x58/0xc0 [ 26.458066] mempool_uaf_helper+0xa4/0x340 [ 26.458662] mempool_slab_uaf+0xb8/0x110 [ 26.459407] kunit_try_run_case+0x14c/0x3d0 [ 26.459865] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.460158] kthread+0x24c/0x2d0 [ 26.460371] ret_from_fork+0x10/0x20 [ 26.460596] [ 26.460826] Freed by task 219: [ 26.461971] kasan_save_stack+0x3c/0x68 [ 26.462548] kasan_save_track+0x20/0x40 [ 26.463424] kasan_save_free_info+0x4c/0x78 [ 26.464100] __kasan_mempool_poison_object+0xc0/0x150 [ 26.464779] mempool_free+0x28c/0x328 [ 26.465334] mempool_uaf_helper+0x104/0x340 [ 26.465944] mempool_slab_uaf+0xb8/0x110 [ 26.466541] kunit_try_run_case+0x14c/0x3d0 [ 26.467354] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.468188] kthread+0x24c/0x2d0 [ 26.468681] ret_from_fork+0x10/0x20 [ 26.469290] [ 26.469927] The buggy address belongs to the object at fff00000c1287240 [ 26.469927] which belongs to the cache test_cache of size 123 [ 26.471150] The buggy address is located 0 bytes inside of [ 26.471150] freed 123-byte region [fff00000c1287240, fff00000c12872bb) [ 26.472555] [ 26.472874] The buggy address belongs to the physical page: [ 26.473503] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101287 [ 26.474637] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.475923] page_type: f5(slab) [ 26.476405] raw: 0bfffe0000000000 fff00000c1162780 dead000000000122 0000000000000000 [ 26.477184] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 26.478176] page dumped because: kasan: bad access detected [ 26.478791] [ 26.479131] Memory state around the buggy address: [ 26.480076] fff00000c1287100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 26.481005] fff00000c1287180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.481798] >fff00000c1287200: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 26.482613] ^ [ 26.483889] fff00000c1287280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 26.484716] fff00000c1287300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.485484] ================================================================== [ 26.342230] ================================================================== [ 26.343792] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x314/0x340 [ 26.344923] Read of size 1 at addr fff00000c648b900 by task kunit_try_catch/215 [ 26.346091] [ 26.346395] CPU: 0 UID: 0 PID: 215 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.347555] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.348060] Hardware name: linux,dummy-virt (DT) [ 26.348850] Call trace: [ 26.349427] show_stack+0x20/0x38 (C) [ 26.349927] dump_stack_lvl+0x8c/0xd0 [ 26.350542] print_report+0x118/0x5e0 [ 26.351175] kasan_report+0xc8/0x118 [ 26.351828] __asan_report_load1_noabort+0x20/0x30 [ 26.352508] mempool_uaf_helper+0x314/0x340 [ 26.353082] mempool_kmalloc_uaf+0xbc/0x118 [ 26.353750] kunit_try_run_case+0x14c/0x3d0 [ 26.354362] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.355444] kthread+0x24c/0x2d0 [ 26.355997] ret_from_fork+0x10/0x20 [ 26.356521] [ 26.356836] Allocated by task 215: [ 26.357298] kasan_save_stack+0x3c/0x68 [ 26.358134] kasan_save_track+0x20/0x40 [ 26.358691] kasan_save_alloc_info+0x40/0x58 [ 26.359219] __kasan_mempool_unpoison_object+0x11c/0x180 [ 26.360252] remove_element+0x130/0x1f8 [ 26.360812] mempool_alloc_preallocated+0x58/0xc0 [ 26.361486] mempool_uaf_helper+0xa4/0x340 [ 26.362125] mempool_kmalloc_uaf+0xbc/0x118 [ 26.362800] kunit_try_run_case+0x14c/0x3d0 [ 26.363755] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.364559] kthread+0x24c/0x2d0 [ 26.365190] ret_from_fork+0x10/0x20 [ 26.365860] [ 26.366304] Freed by task 215: [ 26.366886] kasan_save_stack+0x3c/0x68 [ 26.367635] kasan_save_track+0x20/0x40 [ 26.368279] kasan_save_free_info+0x4c/0x78 [ 26.368929] __kasan_mempool_poison_object+0xc0/0x150 [ 26.369613] mempool_free+0x28c/0x328 [ 26.370023] mempool_uaf_helper+0x104/0x340 [ 26.371128] mempool_kmalloc_uaf+0xbc/0x118 [ 26.371645] kunit_try_run_case+0x14c/0x3d0 [ 26.372242] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.372895] kthread+0x24c/0x2d0 [ 26.373427] ret_from_fork+0x10/0x20 [ 26.374088] [ 26.374436] The buggy address belongs to the object at fff00000c648b900 [ 26.374436] which belongs to the cache kmalloc-128 of size 128 [ 26.375963] The buggy address is located 0 bytes inside of [ 26.375963] freed 128-byte region [fff00000c648b900, fff00000c648b980) [ 26.377032] [ 26.377365] The buggy address belongs to the physical page: [ 26.377929] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10648b [ 26.378894] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.379840] page_type: f5(slab) [ 26.380517] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 26.381228] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.382181] page dumped because: kasan: bad access detected [ 26.382774] [ 26.383142] Memory state around the buggy address: [ 26.384024] fff00000c648b800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.385081] fff00000c648b880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.385989] >fff00000c648b900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.386720] ^ [ 26.387295] fff00000c648b980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.388254] fff00000c648ba00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.389067] ==================================================================
[ 26.641571] ================================================================== [ 26.642745] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x394/0x400 [ 26.644229] Read of size 1 at addr ffff888102417240 by task kunit_try_catch/238 [ 26.645900] [ 26.646387] CPU: 1 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.648024] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.648540] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.649363] Call Trace: [ 26.650493] <TASK> [ 26.650756] dump_stack_lvl+0x73/0xb0 [ 26.651606] print_report+0xd1/0x640 [ 26.652677] ? __virt_addr_valid+0x1db/0x2d0 [ 26.653433] ? kasan_complete_mode_report_info+0x64/0x200 [ 26.654869] kasan_report+0x102/0x140 [ 26.655225] ? mempool_uaf_helper+0x394/0x400 [ 26.656183] ? mempool_uaf_helper+0x394/0x400 [ 26.656969] __asan_report_load1_noabort+0x18/0x20 [ 26.658178] mempool_uaf_helper+0x394/0x400 [ 26.658705] ? __pfx_mempool_uaf_helper+0x10/0x10 [ 26.659493] ? finish_task_switch.isra.0+0x153/0x700 [ 26.661035] mempool_slab_uaf+0xae/0x100 [ 26.661565] ? __pfx_mempool_slab_uaf+0x10/0x10 [ 26.662404] ? __switch_to+0x5d9/0xf60 [ 26.662770] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 26.663313] ? __pfx_mempool_free_slab+0x10/0x10 [ 26.663761] ? __pfx_read_tsc+0x10/0x10 [ 26.664211] ? ktime_get_ts64+0x86/0x230 [ 26.665230] kunit_try_run_case+0x1b3/0x490 [ 26.666364] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.667130] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.667942] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.668561] ? __kthread_parkme+0x82/0x160 [ 26.669547] ? preempt_count_sub+0x50/0x80 [ 26.670008] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.670640] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.671620] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.672575] kthread+0x257/0x310 [ 26.672924] ? __pfx_kthread+0x10/0x10 [ 26.673337] ret_from_fork+0x41/0x80 [ 26.673691] ? __pfx_kthread+0x10/0x10 [ 26.674386] ret_from_fork_asm+0x1a/0x30 [ 26.674800] </TASK> [ 26.675062] [ 26.675425] Allocated by task 238: [ 26.675715] kasan_save_stack+0x3d/0x60 [ 26.676184] kasan_save_track+0x18/0x40 [ 26.676636] kasan_save_alloc_info+0x3b/0x50 [ 26.677246] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 26.677942] remove_element+0x11e/0x190 [ 26.678831] mempool_alloc_preallocated+0x4d/0x90 [ 26.679341] mempool_uaf_helper+0x97/0x400 [ 26.679909] mempool_slab_uaf+0xae/0x100 [ 26.680902] kunit_try_run_case+0x1b3/0x490 [ 26.681601] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.682395] kthread+0x257/0x310 [ 26.683021] ret_from_fork+0x41/0x80 [ 26.684028] ret_from_fork_asm+0x1a/0x30 [ 26.684833] [ 26.685336] Freed by task 238: [ 26.685942] kasan_save_stack+0x3d/0x60 [ 26.687020] kasan_save_track+0x18/0x40 [ 26.687394] kasan_save_free_info+0x3f/0x60 [ 26.688022] __kasan_mempool_poison_object+0x131/0x1d0 [ 26.688633] mempool_free+0x2ec/0x380 [ 26.689063] mempool_uaf_helper+0x11b/0x400 [ 26.690576] mempool_slab_uaf+0xae/0x100 [ 26.690828] kunit_try_run_case+0x1b3/0x490 [ 26.691807] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.692527] kthread+0x257/0x310 [ 26.692787] ret_from_fork+0x41/0x80 [ 26.693128] ret_from_fork_asm+0x1a/0x30 [ 26.694004] [ 26.694445] The buggy address belongs to the object at ffff888102417240 [ 26.694445] which belongs to the cache test_cache of size 123 [ 26.696106] The buggy address is located 0 bytes inside of [ 26.696106] freed 123-byte region [ffff888102417240, ffff8881024172bb) [ 26.698844] [ 26.699153] The buggy address belongs to the physical page: [ 26.700163] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102417 [ 26.701835] flags: 0x200000000000000(node=0|zone=2) [ 26.702456] page_type: f5(slab) [ 26.702715] raw: 0200000000000000 ffff888102415000 dead000000000122 0000000000000000 [ 26.703354] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 26.703955] page dumped because: kasan: bad access detected [ 26.704646] [ 26.705424] Memory state around the buggy address: [ 26.706681] ffff888102417100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 26.707781] ffff888102417180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.708736] >ffff888102417200: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 26.710900] ^ [ 26.711620] ffff888102417280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 26.712500] ffff888102417300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.714098] ================================================================== [ 26.516122] ================================================================== [ 26.517141] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x394/0x400 [ 26.517587] Read of size 1 at addr ffff888102414100 by task kunit_try_catch/234 [ 26.518962] [ 26.519156] CPU: 1 UID: 0 PID: 234 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.520761] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.521249] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.522092] Call Trace: [ 26.522518] <TASK> [ 26.522870] dump_stack_lvl+0x73/0xb0 [ 26.523237] print_report+0xd1/0x640 [ 26.523583] ? __virt_addr_valid+0x1db/0x2d0 [ 26.524257] ? kasan_complete_mode_report_info+0x64/0x200 [ 26.525012] kasan_report+0x102/0x140 [ 26.525803] ? mempool_uaf_helper+0x394/0x400 [ 26.526716] ? mempool_uaf_helper+0x394/0x400 [ 26.527408] __asan_report_load1_noabort+0x18/0x20 [ 26.528066] mempool_uaf_helper+0x394/0x400 [ 26.528765] ? __pfx_mempool_uaf_helper+0x10/0x10 [ 26.529537] ? finish_task_switch.isra.0+0x153/0x700 [ 26.530739] mempool_kmalloc_uaf+0xb3/0x100 [ 26.531448] ? __pfx_mempool_kmalloc_uaf+0x10/0x10 [ 26.531847] ? __switch_to+0x5d9/0xf60 [ 26.532580] ? __pfx_mempool_kmalloc+0x10/0x10 [ 26.532942] ? __pfx_mempool_kfree+0x10/0x10 [ 26.533715] ? __pfx_read_tsc+0x10/0x10 [ 26.534682] ? ktime_get_ts64+0x86/0x230 [ 26.535324] kunit_try_run_case+0x1b3/0x490 [ 26.536072] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.536815] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.537613] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.538427] ? __kthread_parkme+0x82/0x160 [ 26.539087] ? preempt_count_sub+0x50/0x80 [ 26.540231] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.540722] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.542262] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.543009] kthread+0x257/0x310 [ 26.543329] ? __pfx_kthread+0x10/0x10 [ 26.543840] ret_from_fork+0x41/0x80 [ 26.544339] ? __pfx_kthread+0x10/0x10 [ 26.544645] ret_from_fork_asm+0x1a/0x30 [ 26.545534] </TASK> [ 26.546373] [ 26.546583] Allocated by task 234: [ 26.546879] kasan_save_stack+0x3d/0x60 [ 26.547604] kasan_save_track+0x18/0x40 [ 26.548030] kasan_save_alloc_info+0x3b/0x50 [ 26.549022] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 26.549655] remove_element+0x11e/0x190 [ 26.550367] mempool_alloc_preallocated+0x4d/0x90 [ 26.552004] mempool_uaf_helper+0x97/0x400 [ 26.552903] mempool_kmalloc_uaf+0xb3/0x100 [ 26.553945] kunit_try_run_case+0x1b3/0x490 [ 26.555152] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.555786] kthread+0x257/0x310 [ 26.556553] ret_from_fork+0x41/0x80 [ 26.557363] ret_from_fork_asm+0x1a/0x30 [ 26.557736] [ 26.558443] Freed by task 234: [ 26.558766] kasan_save_stack+0x3d/0x60 [ 26.559205] kasan_save_track+0x18/0x40 [ 26.559488] kasan_save_free_info+0x3f/0x60 [ 26.560720] __kasan_mempool_poison_object+0x131/0x1d0 [ 26.561374] mempool_free+0x2ec/0x380 [ 26.562200] mempool_uaf_helper+0x11b/0x400 [ 26.562688] mempool_kmalloc_uaf+0xb3/0x100 [ 26.563458] kunit_try_run_case+0x1b3/0x490 [ 26.563781] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.564915] kthread+0x257/0x310 [ 26.565242] ret_from_fork+0x41/0x80 [ 26.566131] ret_from_fork_asm+0x1a/0x30 [ 26.566750] [ 26.566955] The buggy address belongs to the object at ffff888102414100 [ 26.566955] which belongs to the cache kmalloc-128 of size 128 [ 26.568864] The buggy address is located 0 bytes inside of [ 26.568864] freed 128-byte region [ffff888102414100, ffff888102414180) [ 26.570149] [ 26.570358] The buggy address belongs to the physical page: [ 26.571643] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102414 [ 26.572098] flags: 0x200000000000000(node=0|zone=2) [ 26.572423] page_type: f5(slab) [ 26.573491] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 26.574253] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.575607] page dumped because: kasan: bad access detected [ 26.576945] [ 26.577094] Memory state around the buggy address: [ 26.578149] ffff888102414000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.579005] ffff888102414080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.579559] >ffff888102414100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.580389] ^ [ 26.580719] ffff888102414180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.581687] ffff888102414200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.582339] ==================================================================