Title | Replies (including bot) | Last reply |
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[syzbot] memory leak in add_tree_block | 0 (1) | 2022/11/28 07:50 |
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Title | Replies (including bot) | Last reply |
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[syzbot] memory leak in add_tree_block | 0 (1) | 2022/11/28 07:50 |
BUG: memory leak unreferenced object 0xffff88810f8ea480 (size 64): comm "syz-executor193", pid 3787, jiffies 4294971495 (age 12.820s) hex dump (first 32 bytes): 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff814ed790>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045 [<ffffffff820869aa>] kmalloc include/linux/slab.h:553 [inline] [<ffffffff820869aa>] add_tree_block+0x3a/0x210 fs/btrfs/ref-verify.c:316 [<ffffffff82087e7c>] btrfs_build_ref_tree+0x50c/0x750 fs/btrfs/ref-verify.c:471 [<ffffffff846b818d>] open_ctree+0x19af/0x1fcb fs/btrfs/disk-io.c:3767 [<ffffffff846b17d6>] btrfs_fill_super fs/btrfs/super.c:1461 [inline] [<ffffffff846b17d6>] btrfs_mount_root.cold+0x13/0xf5 fs/btrfs/super.c:1829 [<ffffffff81662b0b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [<ffffffff815fc948>] vfs_get_tree+0x28/0x100 fs/super.c:1531 [<ffffffff81638b61>] fc_mount fs/namespace.c:1043 [inline] [<ffffffff81638b61>] vfs_kern_mount.part.0+0xd1/0x120 fs/namespace.c:1073 [<ffffffff81638bec>] vfs_kern_mount+0x3c/0x60 fs/namespace.c:1060 [<ffffffff81f54029>] btrfs_mount+0x199/0x590 fs/btrfs/super.c:1889 [<ffffffff81662b0b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [<ffffffff815fc948>] vfs_get_tree+0x28/0x100 fs/super.c:1531 [<ffffffff81640487>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81640487>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8164106e>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8164106e>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8164106e>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8164106e>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8485b285>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8485b285>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810c91f040 (size 64): comm "syz-executor193", pid 3787, jiffies 4294971495 (age 12.820s) hex dump (first 32 bytes): 03 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff814ed790>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045 [<ffffffff82086355>] kmalloc include/linux/slab.h:553 [inline] [<ffffffff82086355>] kzalloc include/linux/slab.h:689 [inline] [<ffffffff82086355>] add_block_entry+0x35/0x320 fs/btrfs/ref-verify.c:267 [<ffffffff82086a0e>] add_tree_block+0x9e/0x210 fs/btrfs/ref-verify.c:329 [<ffffffff82087e7c>] btrfs_build_ref_tree+0x50c/0x750 fs/btrfs/ref-verify.c:471 [<ffffffff846b818d>] open_ctree+0x19af/0x1fcb fs/btrfs/disk-io.c:3767 [<ffffffff846b17d6>] btrfs_fill_super fs/btrfs/super.c:1461 [inline] [<ffffffff846b17d6>] btrfs_mount_root.cold+0x13/0xf5 fs/btrfs/super.c:1829 [<ffffffff81662b0b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [<ffffffff815fc948>] vfs_get_tree+0x28/0x100 fs/super.c:1531 [<ffffffff81638b61>] fc_mount fs/namespace.c:1043 [inline] [<ffffffff81638b61>] vfs_kern_mount.part.0+0xd1/0x120 fs/namespace.c:1073 [<ffffffff81638bec>] vfs_kern_mount+0x3c/0x60 fs/namespace.c:1060 [<ffffffff81f54029>] btrfs_mount+0x199/0x590 fs/btrfs/super.c:1889 [<ffffffff81662b0b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [<ffffffff815fc948>] vfs_get_tree+0x28/0x100 fs/super.c:1531 [<ffffffff81640487>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81640487>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8164106e>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8164106e>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8164106e>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8164106e>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8485b285>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8485b285>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 BUG: memory leak unreferenced object 0xffff88810caab580 (size 96): comm "syz-executor193", pid 3787, jiffies 4294971495 (age 12.820s) hex dump (first 32 bytes): 00 10 10 00 00 00 00 00 00 10 00 00 00 00 00 00 ................ 01 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 ................ backtrace: [<ffffffff814ed790>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045 [<ffffffff8208636e>] kmalloc include/linux/slab.h:553 [inline] [<ffffffff8208636e>] kzalloc include/linux/slab.h:689 [inline] [<ffffffff8208636e>] add_block_entry+0x4e/0x320 fs/btrfs/ref-verify.c:268 [<ffffffff82086a0e>] add_tree_block+0x9e/0x210 fs/btrfs/ref-verify.c:329 [<ffffffff82087e7c>] btrfs_build_ref_tree+0x50c/0x750 fs/btrfs/ref-verify.c:471 [<ffffffff846b818d>] open_ctree+0x19af/0x1fcb fs/btrfs/disk-io.c:3767 [<ffffffff846b17d6>] btrfs_fill_super fs/btrfs/super.c:1461 [inline] [<ffffffff846b17d6>] btrfs_mount_root.cold+0x13/0xf5 fs/btrfs/super.c:1829 [<ffffffff81662b0b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [<ffffffff815fc948>] vfs_get_tree+0x28/0x100 fs/super.c:1531 [<ffffffff81638b61>] fc_mount fs/namespace.c:1043 [inline] [<ffffffff81638b61>] vfs_kern_mount.part.0+0xd1/0x120 fs/namespace.c:1073 [<ffffffff81638bec>] vfs_kern_mount+0x3c/0x60 fs/namespace.c:1060 [<ffffffff81f54029>] btrfs_mount+0x199/0x590 fs/btrfs/super.c:1889 [<ffffffff81662b0b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [<ffffffff815fc948>] vfs_get_tree+0x28/0x100 fs/super.c:1531 [<ffffffff81640487>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81640487>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8164106e>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8164106e>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8164106e>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8164106e>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8485b285>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8485b285>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/11/24 07:39 | upstream | 4312098baf37 | 12c66417 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-leak | memory leak in add_tree_block |