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[syzbot] [btrfs?] memory leak in __btrfs_add_free_space | 0 (1) | 2023/11/20 08:05 |
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[syzbot] [btrfs?] memory leak in __btrfs_add_free_space | 0 (1) | 2023/11/20 08:05 |
BUG: memory leak unreferenced object 0xffff8881279c7bc8 (size 104): comm "syz-executor.1", pid 8124, jiffies 4294976874 (age 10.250s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 30 7c 9c 27 81 88 ff ff 01 00 00 00 00 00 00 00 0|.'............ backtrace: [<ffffffff81631b18>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [<ffffffff81631b18>] slab_post_alloc_hook mm/slab.h:766 [inline] [<ffffffff81631b18>] slab_alloc_node mm/slub.c:3478 [inline] [<ffffffff81631b18>] slab_alloc mm/slub.c:3486 [inline] [<ffffffff81631b18>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline] [<ffffffff81631b18>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502 [<ffffffff8212e8a9>] kmem_cache_zalloc include/linux/slab.h:711 [inline] [<ffffffff8212e8a9>] __btrfs_add_free_space+0x69/0x780 fs/btrfs/free-space-cache.c:2636 [<ffffffff8212f286>] do_trimming+0x2c6/0x2d0 fs/btrfs/free-space-cache.c:3685 [<ffffffff8212f634>] trim_no_bitmap+0x3a4/0x650 fs/btrfs/free-space-cache.c:3797 [<ffffffff82131f9c>] btrfs_trim_block_group+0xbc/0x1a0 fs/btrfs/free-space-cache.c:4037 [<ffffffff8208ed52>] btrfs_trim_fs+0x1c2/0x6b0 fs/btrfs/extent-tree.c:6317 [<ffffffff8210af23>] btrfs_ioctl_fitrim+0x1d3/0x270 fs/btrfs/ioctl.c:535 [<ffffffff821152d0>] btrfs_ioctl+0x2200/0x33e0 fs/btrfs/ioctl.c:4583 [<ffffffff816bf592>] vfs_ioctl fs/ioctl.c:51 [inline] [<ffffffff816bf592>] __do_sys_ioctl fs/ioctl.c:871 [inline] [<ffffffff816bf592>] __se_sys_ioctl fs/ioctl.c:857 [inline] [<ffffffff816bf592>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857 [<ffffffff84b71e0f>] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [<ffffffff84b71e0f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:83 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b BUG: memory leak unreferenced object 0xffff8881279c7c30 (size 104): comm "syz-executor.1", pid 8124, jiffies 4294976874 (age 10.250s) hex dump (first 32 bytes): c8 7b 9c 27 81 88 ff ff 00 00 00 00 00 00 00 00 .{.'............ 00 00 00 00 00 00 00 00 e0 7b 9c 27 81 88 ff ff .........{.'.... backtrace: [<ffffffff81631b18>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [<ffffffff81631b18>] slab_post_alloc_hook mm/slab.h:766 [inline] [<ffffffff81631b18>] slab_alloc_node mm/slub.c:3478 [inline] [<ffffffff81631b18>] slab_alloc mm/slub.c:3486 [inline] [<ffffffff81631b18>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline] [<ffffffff81631b18>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502 [<ffffffff8212e8a9>] kmem_cache_zalloc include/linux/slab.h:711 [inline] [<ffffffff8212e8a9>] __btrfs_add_free_space+0x69/0x780 fs/btrfs/free-space-cache.c:2636 [<ffffffff8212f15a>] do_trimming+0x19a/0x2d0 fs/btrfs/free-space-cache.c:3687 [<ffffffff8212f634>] trim_no_bitmap+0x3a4/0x650 fs/btrfs/free-space-cache.c:3797 [<ffffffff82131f9c>] btrfs_trim_block_group+0xbc/0x1a0 fs/btrfs/free-space-cache.c:4037 [<ffffffff8208ed52>] btrfs_trim_fs+0x1c2/0x6b0 fs/btrfs/extent-tree.c:6317 [<ffffffff8210af23>] btrfs_ioctl_fitrim+0x1d3/0x270 fs/btrfs/ioctl.c:535 [<ffffffff821152d0>] btrfs_ioctl+0x2200/0x33e0 fs/btrfs/ioctl.c:4583 [<ffffffff816bf592>] vfs_ioctl fs/ioctl.c:51 [inline] [<ffffffff816bf592>] __do_sys_ioctl fs/ioctl.c:871 [inline] [<ffffffff816bf592>] __se_sys_ioctl fs/ioctl.c:857 [inline] [<ffffffff816bf592>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857 [<ffffffff84b71e0f>] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [<ffffffff84b71e0f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:83 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/01/05 16:09 | upstream | 1f874787ed9a | 28c42cff | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-leak | memory leak in __btrfs_add_free_space | ||
2023/11/16 07:59 | upstream | c42d9eeef8e5 | cb976f63 | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-leak | memory leak in __btrfs_add_free_space |