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KASAN: invalid-access Read in kmem_cache_destroy | 7 (8) | 2021/05/03 08:30 |
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KASAN: invalid-access Read in kmem_cache_destroy | 7 (8) | 2021/05/03 08:30 |
loop0: detected capacity change from 253999 to 0 F2FS-fs (loop0): Found nat_bits in checkpoint ================================================================== BUG: KASAN: invalid-access in kmem_cache_destroy+0x34/0x174 mm/slab_common.c:492 Read at addr fdff000022c9c040 by task syz-executor.0/5059 Pointer tag: [fd], memory tag: [fe] CPU: 0 PID: 5059 Comm: syz-executor.0 Not tainted 5.11.0-rc6-syzkaller #0 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x0/0x1b0 arch/arm64/kernel/stacktrace.c:117 show_stack+0x1c/0x70 arch/arm64/kernel/stacktrace.c:196 __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0xd0/0x12c lib/dump_stack.c:120 print_address_description+0x70/0x29c mm/kasan/report.c:230 __kasan_report mm/kasan/report.c:396 [inline] kasan_report+0x104/0x200 mm/kasan/report.c:413 report_tag_fault arch/arm64/mm/fault.c:311 [inline] do_tag_recovery arch/arm64/mm/fault.c:325 [inline] __do_kernel_fault+0x17c/0x1c0 arch/arm64/mm/fault.c:369 do_bad_area arch/arm64/mm/fault.c:462 [inline] do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:717 do_mem_abort+0x44/0xbc arch/arm64/mm/fault.c:793 el1_abort+0x40/0x6c arch/arm64/kernel/entry-common.c:118 el1_sync_handler+0xb0/0xcc arch/arm64/kernel/entry-common.c:209 el1_sync+0x70/0x100 arch/arm64/kernel/entry.S:656 kmem_cache_destroy+0x34/0x174 mm/slab_common.c:492 f2fs_recover_fsync_data+0x60c/0x1cc0 fs/f2fs/recovery.c:869 f2fs_fill_super+0x174c/0x1e8c fs/f2fs/super.c:3804 mount_bdev+0x1c4/0x1f0 fs/super.c:1366 f2fs_mount+0x1c/0x30 fs/f2fs/super.c:3962 legacy_get_tree+0x34/0x64 fs/fs_context.c:592 vfs_get_tree+0x2c/0xf0 fs/super.c:1496 do_new_mount fs/namespace.c:2881 [inline] path_mount+0x3e8/0xaf0 fs/namespace.c:3211 do_mount fs/namespace.c:3224 [inline] __do_sys_mount fs/namespace.c:3432 [inline] __se_sys_mount fs/namespace.c:3409 [inline] __arm64_sys_mount+0x1a8/0x2fc fs/namespace.c:3409 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall arch/arm64/kernel/syscall.c:49 [inline] el0_svc_common.constprop.0+0x74/0x190 arch/arm64/kernel/syscall.c:159 do_el0_svc+0x78/0x90 arch/arm64/kernel/syscall.c:198 el0_svc+0x14/0x20 arch/arm64/kernel/entry-common.c:365 el0_sync_handler+0x1a8/0x1b0 arch/arm64/kernel/entry-common.c:381 el0_sync+0x190/0x1c0 arch/arm64/kernel/entry.S:699 Allocated by task 5059: stack_trace_save+0x50/0x80 kernel/stacktrace.c:121 kasan_save_stack+0x2c/0x60 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:401 [inline] ____kasan_kmalloc+0xe8/0x160 mm/kasan/common.c:429 __kasan_slab_alloc+0x20/0x30 mm/kasan/common.c:437 kasan_slab_alloc include/linux/kasan.h:209 [inline] slab_post_alloc_hook mm/slab.h:512 [inline] slab_alloc_node mm/slub.c:2892 [inline] slab_alloc mm/slub.c:2900 [inline] kmem_cache_alloc+0x1b0/0x310 mm/slub.c:2905 kmem_cache_zalloc include/linux/slab.h:672 [inline] create_cache mm/slab_common.c:246 [inline] kmem_cache_create_usercopy+0x148/0x2ac mm/slab_common.c:352 kmem_cache_create+0x20/0x30 mm/slab_common.c:410 f2fs_kmem_cache_create fs/f2fs/f2fs.h:2411 [inline] f2fs_recover_fsync_data+0x7c/0x1cc0 fs/f2fs/recovery.c:790 f2fs_fill_super+0x174c/0x1e8c fs/f2fs/super.c:3804 mount_bdev+0x1c4/0x1f0 fs/super.c:1366 f2fs_mount+0x1c/0x30 fs/f2fs/super.c:3962 legacy_get_tree+0x34/0x64 fs/fs_context.c:592 vfs_get_tree+0x2c/0xf0 fs/super.c:1496 do_new_mount fs/namespace.c:2881 [inline] path_mount+0x3e8/0xaf0 fs/namespace.c:3211 do_mount fs/namespace.c:3224 [inline] __do_sys_mount fs/namespace.c:3432 [inline] __se_sys_mount fs/namespace.c:3409 [inline] __arm64_sys_mount+0x1a8/0x2fc fs/namespace.c:3409 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall arch/arm64/kernel/syscall.c:49 [inline] el0_svc_common.constprop.0+0x74/0x190 arch/arm64/kernel/syscall.c:159 do_el0_svc+0x78/0x90 arch/arm64/kernel/syscall.c:198 el0_svc+0x14/0x20 arch/arm64/kernel/entry-common.c:365 el0_sync_handler+0x1a8/0x1b0 arch/arm64/kernel/entry-common.c:381 el0_sync+0x190/0x1c0 arch/arm64/kernel/entry.S:699 Freed by task 5053: stack_trace_save+0x50/0x80 kernel/stacktrace.c:121 kasan_save_stack+0x2c/0x60 mm/kasan/common.c:38 kasan_set_track+0x2c/0x40 mm/kasan/common.c:46 kasan_set_free_info+0x24/0x30 mm/kasan/hw_tags.c:178 ____kasan_slab_free.constprop.0+0x184/0x1c0 mm/kasan/common.c:362 __kasan_slab_free+0x14/0x20 mm/kasan/common.c:369 kasan_slab_free include/linux/kasan.h:192 [inline] slab_free_hook mm/slub.c:1547 [inline] slab_free_freelist_hook+0x9c/0x190 mm/slub.c:1580 slab_free mm/slub.c:3143 [inline] kmem_cache_free+0xa0/0x460 mm/slub.c:3159 slab_kmem_cache_release+0x34/0x4c mm/slab_common.c:479 kmem_cache_release+0x18/0x24 mm/slub.c:5535 kobject_cleanup lib/kobject.c:705 [inline] kobject_release lib/kobject.c:736 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x74/0x11c lib/kobject.c:753 sysfs_slab_release+0x2c/0x40 mm/slub.c:5657 shutdown_cache mm/slab_common.c:466 [inline] kmem_cache_destroy+0x134/0x174 mm/slab_common.c:498 f2fs_recover_fsync_data+0x60c/0x1cc0 fs/f2fs/recovery.c:869 f2fs_fill_super+0x174c/0x1e8c fs/f2fs/super.c:3804 mount_bdev+0x1c4/0x1f0 fs/super.c:1366 f2fs_mount+0x1c/0x30 fs/f2fs/super.c:3962 legacy_get_tree+0x34/0x64 fs/fs_context.c:592 vfs_get_tree+0x2c/0xf0 fs/super.c:1496 do_new_mount fs/namespace.c:2881 [inline] path_mount+0x3e8/0xaf0 fs/namespace.c:3211 do_mount fs/namespace.c:3224 [inline] __do_sys_mount fs/namespace.c:3432 [inline] __se_sys_mount fs/namespace.c:3409 [inline] __arm64_sys_mount+0x1a8/0x2fc fs/namespace.c:3409 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall arch/arm64/kernel/syscall.c:49 [inline] el0_svc_common.constprop.0+0x74/0x190 arch/arm64/kernel/syscall.c:159 do_el0_svc+0x78/0x90 arch/arm64/kernel/syscall.c:198 el0_svc+0x14/0x20 arch/arm64/kernel/entry-common.c:365 el0_sync_handler+0x1a8/0x1b0 arch/arm64/kernel/entry-common.c:381 el0_sync+0x190/0x1c0 arch/arm64/kernel/entry.S:699 The buggy address belongs to the object at ffff000022c9c000 which belongs to the cache kmem_cache of size 216 The buggy address is located 64 bytes inside of 216-byte region [ffff000022c9c000, ffff000022c9c0d8) The buggy address belongs to the page: page:00000000645d0634 refcount:1 mapcount:0 mapping:0000000000000000 index:0xfdff000022c9c000 pfn:0x62c9c flags: 0x1ffffc000000200(slab) raw: 01ffffc000000200 dead000000000100 dead000000000122 f6ff000004001000 raw: fdff000022c9c000 000000008010000f 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff000022c9be00: f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 ffff000022c9bf00: f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 f2 >ffff000022c9c000: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe ^ ffff000022c9c100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe ffff000022c9c200: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
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2021/02/01 01:58 | upstream | 1048ba83fb1c | fc9fd31e | .config | console log | report | info | ci-qemu2-arm64-mte | KASAN: invalid-access Read in kmem_cache_destroy | |||
2021/01/27 15:17 | upstream | 2ab38c17aac1 | a57db36f | .config | console log | report | info | ci-qemu2-arm64-mte | KASAN: invalid-access Read in kmem_cache_destroy |