memory leak in __hfs_bnode

Title	Replies (including bot)	Last reply
[PATCH] hfsplus: Supports freeing newly created tree head	1 (1)	2026/04/17 06:58
[syzbot] [hfs?] memory leak in __hfs_bnode_create	5 (11)	2026/04/17 06:58

Title

Replies (including bot)

Last reply

[PATCH] hfsplus: Supports freeing newly created tree head

1 (1)

2026/04/17 06:58

[syzbot] [hfs?] memory leak in __hfs_bnode_create

5 (11)

2026/04/17 06:58


Created	Duration	User	Patch	Repo	Result
2026/04/17 06:22	22m	eadavis@qq.com	patch	upstream	OK log
2026/04/17 06:05	24m	eadavis@qq.com	patch	upstream	OK log
2026/04/17 05:04	20m	eadavis@qq.com	patch	upstream	OK log
2026/04/17 04:52	19m	eadavis@qq.com	patch	upstream	OK log
2026/04/17 03:11	17m	eadavis@qq.com	patch	upstream	report log

BUG: memory leak unreferenced object 0xffff88811cabc840 (size 96): comm "syz.0.18", pid 6071, jiffies 4294943951 hex dump (first 32 bytes): 00 f0 54 15 81 88 ff ff 00 00 00 00 00 00 00 00 ..T............. 00 00 00 00 00 00 00 00 03 00 7f 00 00 00 00 00 ................ backtrace (crc 3e2dadb7): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4543 [inline] slab_alloc_node mm/slub.c:4866 [inline] __do_kmalloc_node mm/slub.c:5259 [inline] __kmalloc_noprof+0x3b7/0x550 mm/slub.c:5272 kmalloc_noprof include/linux/slab.h:954 [inline] kzalloc_noprof include/linux/slab.h:1188 [inline] __hfs_bnode_create+0x59/0x310 fs/hfsplus/bnode.c:469 hfsplus_bnode_find+0x13e/0x580 fs/hfsplus/bnode.c:547 hfsplus_btree_open+0x2fa/0x6d0 fs/hfsplus/btree.c:382 hfsplus_fill_super+0x272/0x880 fs/hfsplus/super.c:548 get_tree_bdev_flags+0x1c0/0x290 fs/super.c:1694 vfs_get_tree+0x30/0x120 fs/super.c:1754 fc_mount fs/namespace.c:1193 [inline] do_new_mount_fc fs/namespace.c:3763 [inline] do_new_mount fs/namespace.c:3839 [inline] path_mount+0x5a9/0x1360 fs/namespace.c:4159 do_mount fs/namespace.c:4172 [inline] __do_sys_mount fs/namespace.c:4361 [inline] __se_sys_mount fs/namespace.c:4338 [inline] __x64_sys_mount+0x1a3/0x1e0 fs/namespace.c:4338 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xee/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff88812c724d80 (size 96): comm "syz.0.19", pid 6082, jiffies 4294943963 hex dump (first 32 bytes): 00 90 e5 13 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 03 00 7f 00 00 00 00 00 ................ backtrace (crc 289d56ee): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4543 [inline] slab_alloc_node mm/slub.c:4866 [inline] __do_kmalloc_node mm/slub.c:5259 [inline] __kmalloc_noprof+0x3b7/0x550 mm/slub.c:5272 kmalloc_noprof include/linux/slab.h:954 [inline] kzalloc_noprof include/linux/slab.h:1188 [inline] __hfs_bnode_create+0x59/0x310 fs/hfsplus/bnode.c:469 hfsplus_bnode_find+0x13e/0x580 fs/hfsplus/bnode.c:547 hfsplus_btree_open+0x2fa/0x6d0 fs/hfsplus/btree.c:382 hfsplus_fill_super+0x272/0x880 fs/hfsplus/super.c:548 get_tree_bdev_flags+0x1c0/0x290 fs/super.c:1694 vfs_get_tree+0x30/0x120 fs/super.c:1754 fc_mount fs/namespace.c:1193 [inline] do_new_mount_fc fs/namespace.c:3763 [inline] do_new_mount fs/namespace.c:3839 [inline] path_mount+0x5a9/0x1360 fs/namespace.c:4159 do_mount fs/namespace.c:4172 [inline] __do_sys_mount fs/namespace.c:4361 [inline] __se_sys_mount fs/namespace.c:4338 [inline] __x64_sys_mount+0x1a3/0x1e0 fs/namespace.c:4338 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xee/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/04/15 09:31	upstream	508fed679541	e2e976a8	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in __hfs_bnode_create

Crashes (1):

Assets (help?)