Date
Dec. 5, 2024, 2:07 p.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 31.270965] ================================================================== [ 31.271697] BUG: KASAN: double-free in kmem_cache_double_free+0x190/0x3c8 [ 31.273346] Free of addr fff00000c6530000 by task kunit_try_catch/198 [ 31.274121] [ 31.274483] CPU: 1 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 31.275610] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.276406] Hardware name: linux,dummy-virt (DT) [ 31.277330] Call trace: [ 31.277917] show_stack+0x20/0x38 (C) [ 31.278668] dump_stack_lvl+0x8c/0xd0 [ 31.279579] print_report+0x118/0x5e0 [ 31.280183] kasan_report_invalid_free+0xb0/0xd8 [ 31.280809] check_slab_allocation+0xd4/0x108 [ 31.281360] __kasan_slab_pre_free+0x2c/0x48 [ 31.282076] kmem_cache_free+0xf0/0x470 [ 31.282670] kmem_cache_double_free+0x190/0x3c8 [ 31.283735] kunit_try_run_case+0x14c/0x3d0 [ 31.284384] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.285209] kthread+0x24c/0x2d0 [ 31.285757] ret_from_fork+0x10/0x20 [ 31.286252] [ 31.286632] Allocated by task 198: [ 31.287968] kasan_save_stack+0x3c/0x68 [ 31.288520] kasan_save_track+0x20/0x40 [ 31.289113] kasan_save_alloc_info+0x40/0x58 [ 31.289778] __kasan_slab_alloc+0xa8/0xb0 [ 31.290392] kmem_cache_alloc_noprof+0x108/0x398 [ 31.291044] kmem_cache_double_free+0x12c/0x3c8 [ 31.291632] kunit_try_run_case+0x14c/0x3d0 [ 31.292538] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.293253] kthread+0x24c/0x2d0 [ 31.293769] ret_from_fork+0x10/0x20 [ 31.294465] [ 31.294831] Freed by task 198: [ 31.295651] kasan_save_stack+0x3c/0x68 [ 31.296158] kasan_save_track+0x20/0x40 [ 31.296809] kasan_save_free_info+0x4c/0x78 [ 31.297381] __kasan_slab_free+0x6c/0x98 [ 31.298001] kmem_cache_free+0x118/0x470 [ 31.298591] kmem_cache_double_free+0x140/0x3c8 [ 31.299134] kunit_try_run_case+0x14c/0x3d0 [ 31.300089] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.300752] kthread+0x24c/0x2d0 [ 31.301380] ret_from_fork+0x10/0x20 [ 31.302011] [ 31.302392] The buggy address belongs to the object at fff00000c6530000 [ 31.302392] which belongs to the cache test_cache of size 200 [ 31.304384] The buggy address is located 0 bytes inside of [ 31.304384] 200-byte region [fff00000c6530000, fff00000c65300c8) [ 31.305849] [ 31.306325] The buggy address belongs to the physical page: [ 31.307328] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106530 [ 31.308560] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.309553] page_type: f5(slab) [ 31.310034] raw: 0bfffe0000000000 fff00000c1608a00 dead000000000122 0000000000000000 [ 31.311194] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 31.312434] page dumped because: kasan: bad access detected [ 31.313301] [ 31.313644] Memory state around the buggy address: [ 31.314348] fff00000c652ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.315420] fff00000c652ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.316574] >fff00000c6530000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.317384] ^ [ 31.317793] fff00000c6530080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 31.318834] fff00000c6530100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.320090] ==================================================================
[ 29.111392] ================================================================== [ 29.112184] BUG: KASAN: double-free in kmem_cache_double_free+0x1e6/0x490 [ 29.113077] Free of addr ffff888101aba000 by task kunit_try_catch/216 [ 29.113593] [ 29.114011] CPU: 0 UID: 0 PID: 216 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 29.115225] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.115830] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.116728] Call Trace: [ 29.117014] <TASK> [ 29.117261] dump_stack_lvl+0x73/0xb0 [ 29.117808] print_report+0xd1/0x640 [ 29.118285] ? __virt_addr_valid+0x1db/0x2d0 [ 29.118871] ? kmem_cache_double_free+0x1e6/0x490 [ 29.119367] ? kasan_complete_mode_report_info+0x64/0x200 [ 29.120154] ? kmem_cache_double_free+0x1e6/0x490 [ 29.120755] kasan_report_invalid_free+0xc0/0xf0 [ 29.121260] ? kmem_cache_double_free+0x1e6/0x490 [ 29.121727] ? kmem_cache_double_free+0x1e6/0x490 [ 29.122302] check_slab_allocation+0x101/0x130 [ 29.122926] __kasan_slab_pre_free+0x28/0x40 [ 29.123484] kmem_cache_free+0xee/0x420 [ 29.124038] ? kmem_cache_alloc_noprof+0x11e/0x3e0 [ 29.124532] ? kmem_cache_double_free+0x1e6/0x490 [ 29.125368] kmem_cache_double_free+0x1e6/0x490 [ 29.126175] ? __pfx_kmem_cache_double_free+0x10/0x10 [ 29.126731] ? finish_task_switch.isra.0+0x153/0x700 [ 29.127290] ? __switch_to+0x5d9/0xf60 [ 29.127610] ? __pfx_read_tsc+0x10/0x10 [ 29.128443] ? ktime_get_ts64+0x86/0x230 [ 29.128979] kunit_try_run_case+0x1b3/0x490 [ 29.129548] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.130143] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 29.130743] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.131449] ? __kthread_parkme+0x82/0x160 [ 29.131930] ? preempt_count_sub+0x50/0x80 [ 29.132499] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.133002] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.133757] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.134338] kthread+0x257/0x310 [ 29.134904] ? __pfx_kthread+0x10/0x10 [ 29.135266] ret_from_fork+0x41/0x80 [ 29.135706] ? __pfx_kthread+0x10/0x10 [ 29.136230] ret_from_fork_asm+0x1a/0x30 [ 29.136630] </TASK> [ 29.137056] [ 29.137302] Allocated by task 216: [ 29.137897] kasan_save_stack+0x3d/0x60 [ 29.138244] kasan_save_track+0x18/0x40 [ 29.138634] kasan_save_alloc_info+0x3b/0x50 [ 29.139241] __kasan_slab_alloc+0x91/0xa0 [ 29.139744] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 29.140278] kmem_cache_double_free+0x150/0x490 [ 29.140904] kunit_try_run_case+0x1b3/0x490 [ 29.141351] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.142046] kthread+0x257/0x310 [ 29.142436] ret_from_fork+0x41/0x80 [ 29.142971] ret_from_fork_asm+0x1a/0x30 [ 29.143435] [ 29.143721] Freed by task 216: [ 29.144036] kasan_save_stack+0x3d/0x60 [ 29.144612] kasan_save_track+0x18/0x40 [ 29.145092] kasan_save_free_info+0x3f/0x60 [ 29.145546] __kasan_slab_free+0x56/0x70 [ 29.145974] kmem_cache_free+0x120/0x420 [ 29.146423] kmem_cache_double_free+0x16b/0x490 [ 29.147041] kunit_try_run_case+0x1b3/0x490 [ 29.147486] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.148124] kthread+0x257/0x310 [ 29.148571] ret_from_fork+0x41/0x80 [ 29.149063] ret_from_fork_asm+0x1a/0x30 [ 29.149512] [ 29.149820] The buggy address belongs to the object at ffff888101aba000 [ 29.149820] which belongs to the cache test_cache of size 200 [ 29.150958] The buggy address is located 0 bytes inside of [ 29.150958] 200-byte region [ffff888101aba000, ffff888101aba0c8) [ 29.152026] [ 29.152256] The buggy address belongs to the physical page: [ 29.152755] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101aba [ 29.153411] flags: 0x200000000000000(node=0|zone=2) [ 29.154146] page_type: f5(slab) [ 29.154458] raw: 0200000000000000 ffff8881011e5c80 dead000000000122 0000000000000000 [ 29.155222] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 29.156013] page dumped because: kasan: bad access detected [ 29.156654] [ 29.156947] Memory state around the buggy address: [ 29.157482] ffff888101ab9f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.158233] ffff888101ab9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.158831] >ffff888101aba000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.159491] ^ [ 29.160043] ffff888101aba080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 29.160727] ffff888101aba100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.161426] ==================================================================