Date
Nov. 26, 2024, 6:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.665500] ================================================================== [ 32.666537] BUG: KASAN: slab-use-after-free in kmem_cache_rcu_uaf+0x390/0x468 [ 32.667410] Read of size 1 at addr fff00000c64bc000 by task kunit_try_catch/202 [ 32.668094] [ 32.668491] CPU: 0 UID: 0 PID: 202 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241126 #1 [ 32.669982] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.670597] Hardware name: linux,dummy-virt (DT) [ 32.671324] Call trace: [ 32.671810] show_stack+0x20/0x38 (C) [ 32.673070] dump_stack_lvl+0x8c/0xd0 [ 32.673655] print_report+0x118/0x5e0 [ 32.674358] kasan_report+0xc8/0x118 [ 32.675072] __asan_report_load1_noabort+0x20/0x30 [ 32.675892] kmem_cache_rcu_uaf+0x390/0x468 [ 32.676569] kunit_try_run_case+0x14c/0x3d0 [ 32.677214] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.678295] kthread+0x24c/0x2d0 [ 32.678930] ret_from_fork+0x10/0x20 [ 32.679803] [ 32.680423] Allocated by task 202: [ 32.680935] kasan_save_stack+0x3c/0x68 [ 32.681678] kasan_save_track+0x20/0x40 [ 32.682398] kasan_save_alloc_info+0x40/0x58 [ 32.683139] __kasan_slab_alloc+0xa8/0xb0 [ 32.683424] kmem_cache_alloc_noprof+0x108/0x3a0 [ 32.683706] kmem_cache_rcu_uaf+0x12c/0x468 [ 32.684046] kunit_try_run_case+0x14c/0x3d0 [ 32.685490] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.686132] kthread+0x24c/0x2d0 [ 32.686569] ret_from_fork+0x10/0x20 [ 32.687464] [ 32.687867] Freed by task 0: [ 32.688281] kasan_save_stack+0x3c/0x68 [ 32.689427] kasan_save_track+0x20/0x40 [ 32.690122] kasan_save_free_info+0x4c/0x78 [ 32.690839] __kasan_slab_free+0x6c/0x98 [ 32.691557] slab_free_after_rcu_debug+0xd4/0x2f8 [ 32.692493] rcu_core+0xa54/0x1df8 [ 32.693512] rcu_core_si+0x18/0x30 [ 32.693952] handle_softirqs+0x374/0xb20 [ 32.694621] __do_softirq+0x1c/0x28 [ 32.695535] [ 32.696119] Last potentially related work creation: [ 32.696668] kasan_save_stack+0x3c/0x68 [ 32.697673] __kasan_record_aux_stack+0xbc/0xe8 [ 32.698325] kasan_record_aux_stack_noalloc+0x14/0x20 [ 32.698959] kmem_cache_free+0x28c/0x470 [ 32.699473] kmem_cache_rcu_uaf+0x16c/0x468 [ 32.701562] kunit_try_run_case+0x14c/0x3d0 [ 32.702122] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.702745] kthread+0x24c/0x2d0 [ 32.703331] ret_from_fork+0x10/0x20 [ 32.703983] [ 32.704312] The buggy address belongs to the object at fff00000c64bc000 [ 32.704312] which belongs to the cache test_cache of size 200 [ 32.705526] The buggy address is located 0 bytes inside of [ 32.705526] freed 200-byte region [fff00000c64bc000, fff00000c64bc0c8) [ 32.706693] [ 32.707052] The buggy address belongs to the physical page: [ 32.707623] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064bc [ 32.708629] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.709432] page_type: f5(slab) [ 32.710856] raw: 0bfffe0000000000 fff00000c56ba500 dead000000000122 0000000000000000 [ 32.711819] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 32.712583] page dumped because: kasan: bad access detected [ 32.713397] [ 32.713769] Memory state around the buggy address: [ 32.714838] fff00000c64bbf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.716027] fff00000c64bbf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.717519] >fff00000c64bc000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.718530] ^ [ 32.719035] fff00000c64bc080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 32.719721] fff00000c64bc100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.720544] ==================================================================
[ 32.670794] ================================================================== [ 32.671970] BUG: KASAN: slab-use-after-free in kmem_cache_rcu_uaf+0x390/0x468 [ 32.672632] Read of size 1 at addr fff00000c5ec1000 by task kunit_try_catch/202 [ 32.673547] [ 32.674750] CPU: 1 UID: 0 PID: 202 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241126 #1 [ 32.676227] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.676928] Hardware name: linux,dummy-virt (DT) [ 32.677681] Call trace: [ 32.678117] show_stack+0x20/0x38 (C) [ 32.679039] dump_stack_lvl+0x8c/0xd0 [ 32.679611] print_report+0x118/0x5e0 [ 32.680190] kasan_report+0xc8/0x118 [ 32.680804] __asan_report_load1_noabort+0x20/0x30 [ 32.681436] kmem_cache_rcu_uaf+0x390/0x468 [ 32.682576] kunit_try_run_case+0x14c/0x3d0 [ 32.683184] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.683851] kthread+0x24c/0x2d0 [ 32.684461] ret_from_fork+0x10/0x20 [ 32.685004] [ 32.685362] Allocated by task 202: [ 32.686304] kasan_save_stack+0x3c/0x68 [ 32.687165] kasan_save_track+0x20/0x40 [ 32.687674] kasan_save_alloc_info+0x40/0x58 [ 32.688355] __kasan_slab_alloc+0xa8/0xb0 [ 32.689012] kmem_cache_alloc_noprof+0x108/0x3a0 [ 32.689866] kmem_cache_rcu_uaf+0x12c/0x468 [ 32.690736] kunit_try_run_case+0x14c/0x3d0 [ 32.691877] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.692732] kthread+0x24c/0x2d0 [ 32.693079] ret_from_fork+0x10/0x20 [ 32.693877] [ 32.694573] Freed by task 0: [ 32.695008] kasan_save_stack+0x3c/0x68 [ 32.695506] kasan_save_track+0x20/0x40 [ 32.696149] kasan_save_free_info+0x4c/0x78 [ 32.696809] __kasan_slab_free+0x6c/0x98 [ 32.697442] slab_free_after_rcu_debug+0xd4/0x2f8 [ 32.698878] rcu_core+0xa54/0x1df8 [ 32.699449] rcu_core_si+0x18/0x30 [ 32.699963] handle_softirqs+0x374/0xb20 [ 32.700667] __do_softirq+0x1c/0x28 [ 32.701646] [ 32.702249] Last potentially related work creation: [ 32.703295] kasan_save_stack+0x3c/0x68 [ 32.703912] __kasan_record_aux_stack+0xbc/0xe8 [ 32.704504] kasan_record_aux_stack_noalloc+0x14/0x20 [ 32.705266] kmem_cache_free+0x28c/0x470 [ 32.706469] kmem_cache_rcu_uaf+0x16c/0x468 [ 32.707058] kunit_try_run_case+0x14c/0x3d0 [ 32.707838] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.708718] kthread+0x24c/0x2d0 [ 32.709340] ret_from_fork+0x10/0x20 [ 32.710214] [ 32.710685] The buggy address belongs to the object at fff00000c5ec1000 [ 32.710685] which belongs to the cache test_cache of size 200 [ 32.711957] The buggy address is located 0 bytes inside of [ 32.711957] freed 200-byte region [fff00000c5ec1000, fff00000c5ec10c8) [ 32.713116] [ 32.713547] The buggy address belongs to the physical page: [ 32.714660] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105ec1 [ 32.716433] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.717277] page_type: f5(slab) [ 32.718371] raw: 0bfffe0000000000 fff00000c5d7ea00 dead000000000122 0000000000000000 [ 32.719191] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 32.720036] page dumped because: kasan: bad access detected [ 32.720666] [ 32.721030] Memory state around the buggy address: [ 32.721726] fff00000c5ec0f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.723407] fff00000c5ec0f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.724288] >fff00000c5ec1000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.725358] ^ [ 32.726135] fff00000c5ec1080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 32.727255] fff00000c5ec1100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.728168] ==================================================================
[ 26.810459] ================================================================== [ 26.811129] BUG: KASAN: slab-use-after-free in kmem_cache_rcu_uaf+0x3e5/0x510 [ 26.811129] Read of size 1 at addr ffff8881028e8000 by task kunit_try_catch/222 [ 26.811129] [ 26.811129] CPU: 0 UID: 0 PID: 222 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241126 #1 [ 26.811129] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.811129] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.811129] Call Trace: [ 26.811129] <TASK> [ 26.811129] dump_stack_lvl+0x73/0xb0 [ 26.811129] print_report+0xd1/0x640 [ 26.811129] ? __virt_addr_valid+0x1db/0x2d0 [ 26.811129] ? kasan_complete_mode_report_info+0x64/0x200 [ 26.811129] kasan_report+0x102/0x140 [ 26.811129] ? kmem_cache_rcu_uaf+0x3e5/0x510 [ 26.811129] ? kmem_cache_rcu_uaf+0x3e5/0x510 [ 26.811129] __asan_report_load1_noabort+0x18/0x20 [ 26.811129] kmem_cache_rcu_uaf+0x3e5/0x510 [ 26.811129] ? __pfx_kmem_cache_rcu_uaf+0x10/0x10 [ 26.811129] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 26.811129] ? __pfx_kmem_cache_rcu_uaf+0x10/0x10 [ 26.811129] kunit_try_run_case+0x1b3/0x490 [ 26.811129] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.811129] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.811129] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.811129] ? __kthread_parkme+0x82/0x160 [ 26.811129] ? preempt_count_sub+0x50/0x80 [ 26.811129] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.811129] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.811129] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.811129] kthread+0x257/0x310 [ 26.811129] ? __pfx_kthread+0x10/0x10 [ 26.811129] ret_from_fork+0x41/0x80 [ 26.811129] ? __pfx_kthread+0x10/0x10 [ 26.811129] ret_from_fork_asm+0x1a/0x30 [ 26.811129] </TASK> [ 26.811129] [ 26.811129] Allocated by task 222: [ 26.811129] kasan_save_stack+0x3d/0x60 [ 26.811129] kasan_save_track+0x18/0x40 [ 26.811129] kasan_save_alloc_info+0x3b/0x50 [ 26.811129] __kasan_slab_alloc+0x91/0xa0 [ 26.811129] kmem_cache_alloc_noprof+0x11e/0x3f0 [ 26.811129] kmem_cache_rcu_uaf+0x156/0x510 [ 26.811129] kunit_try_run_case+0x1b3/0x490 [ 26.811129] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.811129] kthread+0x257/0x310 [ 26.811129] ret_from_fork+0x41/0x80 [ 26.811129] ret_from_fork_asm+0x1a/0x30 [ 26.811129] [ 26.811129] Freed by task 0: [ 26.811129] kasan_save_stack+0x3d/0x60 [ 26.811129] kasan_save_track+0x18/0x40 [ 26.811129] kasan_save_free_info+0x3f/0x60 [ 26.811129] __kasan_slab_free+0x56/0x70 [ 26.811129] slab_free_after_rcu_debug+0xe4/0x310 [ 26.811129] rcu_core+0x680/0x1d70 [ 26.811129] rcu_core_si+0x12/0x20 [ 26.811129] handle_softirqs+0x209/0x720 [ 26.811129] __irq_exit_rcu+0xc9/0x110 [ 26.811129] irq_exit_rcu+0x12/0x20 [ 26.811129] sysvec_apic_timer_interrupt+0x81/0x90 [ 26.811129] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 26.811129] [ 26.811129] Last potentially related work creation: [ 26.811129] kasan_save_stack+0x3d/0x60 [ 26.811129] __kasan_record_aux_stack+0xae/0xc0 [ 26.811129] kasan_record_aux_stack_noalloc+0xf/0x20 [ 26.811129] kmem_cache_free+0x276/0x420 [ 26.811129] kmem_cache_rcu_uaf+0x195/0x510 [ 26.811129] kunit_try_run_case+0x1b3/0x490 [ 26.811129] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.811129] kthread+0x257/0x310 [ 26.811129] ret_from_fork+0x41/0x80 [ 26.811129] ret_from_fork_asm+0x1a/0x30 [ 26.811129] [ 26.811129] The buggy address belongs to the object at ffff8881028e8000 [ 26.811129] which belongs to the cache test_cache of size 200 [ 26.811129] The buggy address is located 0 bytes inside of [ 26.811129] freed 200-byte region [ffff8881028e8000, ffff8881028e80c8) [ 26.811129] [ 26.811129] The buggy address belongs to the physical page: [ 26.811129] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028e8 [ 26.811129] flags: 0x200000000000000(node=0|zone=2) [ 26.811129] page_type: f5(slab) [ 26.811129] raw: 0200000000000000 ffff888100a2b8c0 dead000000000122 0000000000000000 [ 26.811129] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 26.811129] page dumped because: kasan: bad access detected [ 26.811129] [ 26.811129] Memory state around the buggy address: [ 26.811129] ffff8881028e7f00: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 26.811129] ffff8881028e7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.811129] >ffff8881028e8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.811129] ^ [ 26.811129] ffff8881028e8080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 26.811129] ffff8881028e8100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.811129] ==================================================================
[ 21.764353] ================================================================== [ 21.765054] BUG: KASAN: slab-use-after-free in kmem_cache_rcu_uaf+0x3e5/0x510 [ 21.765973] Read of size 1 at addr ffff888102ba3000 by task kunit_try_catch/220 [ 21.766841] [ 21.767140] CPU: 1 UID: 0 PID: 220 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241126 #1 [ 21.768051] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.768305] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.768941] Call Trace: [ 21.769254] <TASK> [ 21.770069] dump_stack_lvl+0x73/0xb0 [ 21.770626] print_report+0xd1/0x640 [ 21.771125] ? __virt_addr_valid+0x1db/0x2d0 [ 21.771629] ? kasan_complete_mode_report_info+0x64/0x200 [ 21.772013] kasan_report+0x102/0x140 [ 21.772470] ? kmem_cache_rcu_uaf+0x3e5/0x510 [ 21.773085] ? kmem_cache_rcu_uaf+0x3e5/0x510 [ 21.773425] __asan_report_load1_noabort+0x18/0x20 [ 21.774098] kmem_cache_rcu_uaf+0x3e5/0x510 [ 21.774628] ? __pfx_kmem_cache_rcu_uaf+0x10/0x10 [ 21.775107] ? finish_task_switch.isra.0+0x153/0x700 [ 21.775435] ? __switch_to+0x5d9/0xf60 [ 21.776000] ? __pfx_read_tsc+0x10/0x10 [ 21.776464] ? ktime_get_ts64+0x84/0x230 [ 21.777073] kunit_try_run_case+0x1b3/0x490 [ 21.777471] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.777942] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 21.778563] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.778968] ? __kthread_parkme+0x82/0x160 [ 21.779379] ? preempt_count_sub+0x50/0x80 [ 21.779949] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.780275] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.780659] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.781228] kthread+0x257/0x310 [ 21.781778] ? __pfx_kthread+0x10/0x10 [ 21.782255] ret_from_fork+0x41/0x80 [ 21.782740] ? __pfx_kthread+0x10/0x10 [ 21.783195] ret_from_fork_asm+0x1a/0x30 [ 21.783556] </TASK> [ 21.783754] [ 21.783905] Allocated by task 220: [ 21.784263] kasan_save_stack+0x3d/0x60 [ 21.784843] kasan_save_track+0x18/0x40 [ 21.785985] kasan_save_alloc_info+0x3b/0x50 [ 21.786517] __kasan_slab_alloc+0x91/0xa0 [ 21.787032] kmem_cache_alloc_noprof+0x11e/0x3f0 [ 21.787680] kmem_cache_rcu_uaf+0x156/0x510 [ 21.788211] kunit_try_run_case+0x1b3/0x490 [ 21.788763] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.789408] kthread+0x257/0x310 [ 21.789899] ret_from_fork+0x41/0x80 [ 21.790368] ret_from_fork_asm+0x1a/0x30 [ 21.790663] [ 21.790944] Freed by task 0: [ 21.791337] kasan_save_stack+0x3d/0x60 [ 21.791903] kasan_save_track+0x18/0x40 [ 21.792372] kasan_save_free_info+0x3f/0x60 [ 21.792970] __kasan_slab_free+0x56/0x70 [ 21.793335] slab_free_after_rcu_debug+0xe4/0x310 [ 21.793955] rcu_core+0x680/0x1d70 [ 21.794431] rcu_core_si+0x12/0x20 [ 21.794924] handle_softirqs+0x209/0x720 [ 21.795321] __irq_exit_rcu+0xc9/0x110 [ 21.795859] irq_exit_rcu+0x12/0x20 [ 21.796183] sysvec_apic_timer_interrupt+0x81/0x90 [ 21.796802] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 21.797354] [ 21.797593] Last potentially related work creation: [ 21.797920] kasan_save_stack+0x3d/0x60 [ 21.798420] __kasan_record_aux_stack+0xae/0xc0 [ 21.798867] kasan_record_aux_stack_noalloc+0xf/0x20 [ 21.799281] kmem_cache_free+0x276/0x420 [ 21.799817] kmem_cache_rcu_uaf+0x195/0x510 [ 21.800218] kunit_try_run_case+0x1b3/0x490 [ 21.800729] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.801216] kthread+0x257/0x310 [ 21.801557] ret_from_fork+0x41/0x80 [ 21.801972] ret_from_fork_asm+0x1a/0x30 [ 21.802390] [ 21.802609] The buggy address belongs to the object at ffff888102ba3000 [ 21.802609] which belongs to the cache test_cache of size 200 [ 21.803557] The buggy address is located 0 bytes inside of [ 21.803557] freed 200-byte region [ffff888102ba3000, ffff888102ba30c8) [ 21.804256] [ 21.804503] The buggy address belongs to the physical page: [ 21.805073] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ba3 [ 21.805696] flags: 0x200000000000000(node=0|zone=2) [ 21.806231] page_type: f5(slab) [ 21.806528] raw: 0200000000000000 ffff8881010f4dc0 dead000000000122 0000000000000000 [ 21.807096] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 21.807558] page dumped because: kasan: bad access detected [ 21.808109] [ 21.808334] Memory state around the buggy address: [ 21.808854] ffff888102ba2f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.809295] ffff888102ba2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.809929] >ffff888102ba3000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.810307] ^ [ 21.810562] ffff888102ba3080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 21.811277] ffff888102ba3100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.811959] ==================================================================