memory leak in ntfs_init_fs

Title	Replies (including bot)	Last reply
[PATCH] fs/ntfs3: fix ntfs_mount_options leak in ntfs_fill_super()	1 (1)	2025/12/09 07:21
[syzbot] [ntfs3?] memory leak in ntfs_init_fs_context (2)	0 (1)	2025/12/08 08:03

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	memory leak in ntfs_init_fs_context ntfs3	3	C			169	1132d	1253d	22/29	fixed on 2023/02/24 13:50

Kernel

Title

Rank 🛈

upstream

memory leak in ntfs_init_fs_context ntfs3

169

1132d

1253d

22/29

fixed on 2023/02/24 13:50

BUG: memory leak unreferenced object 0xffff888146e758a0 (size 32): comm "syz.0.17", pid 6099, jiffies 4294947789 hex dump (first 32 bytes): 30 29 cd 11 81 88 ff ff 00 00 00 00 00 00 00 00 0).............. 00 00 00 00 00 00 00 00 fe fd c0 ff 19 04 00 00 ................ backtrace (crc db9341ac): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4958 [inline] slab_alloc_node mm/slub.c:5263 [inline] __kmalloc_cache_noprof+0x41a/0x590 mm/slub.c:5775 kmalloc_noprof include/linux/slab.h:957 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] __ntfs_init_fs_context fs/ntfs3/super.c:1804 [inline] ntfs_init_fs_context+0x26/0x1c0 fs/ntfs3/super.c:1855 alloc_fs_context+0x365/0x6e0 fs/fs_context.c:315 do_new_mount fs/namespace.c:3692 [inline] path_mount+0x933/0x1350 fs/namespace.c:4022 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount fs/namespace.c:4201 [inline] __x64_sys_mount+0x1a3/0x1e0 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff888111cd2930 (size 16): comm "syz.0.17", pid 6099, jiffies 4294947789 hex dump (first 16 bytes): 6d 61 63 67 72 65 65 6b 00 00 00 00 00 00 00 00 macgreek........ backtrace (crc 48f8d27d): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4958 [inline] slab_alloc_node mm/slub.c:5263 [inline] __do_kmalloc_node mm/slub.c:5656 [inline] __kmalloc_node_track_caller_noprof+0x47b/0x690 mm/slub.c:5768 __kmemdup_nul mm/util.c:64 [inline] kmemdup_nul+0x45/0xa0 mm/util.c:194 vfs_parse_fs_qstr+0x74/0xe0 fs/fs_context.c:181 vfs_parse_fs_string include/linux/fs_context.h:142 [inline] vfs_parse_monolithic_sep+0x102/0x150 fs/fs_context.c:227 do_new_mount fs/namespace.c:3708 [inline] path_mount+0x55a/0x1350 fs/namespace.c:4022 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount fs/namespace.c:4201 [inline] __x64_sys_mount+0x1a3/0x1e0 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff888146e71b20 (size 32): comm "syz.0.18", pid 6107, jiffies 4294947798 hex dump (first 32 bytes): e0 bc ee 0d 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 fe fd c0 ff 19 04 00 00 ................ backtrace (crc 465123c2): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4958 [inline] slab_alloc_node mm/slub.c:5263 [inline] __kmalloc_cache_noprof+0x41a/0x590 mm/slub.c:5775 kmalloc_noprof include/linux/slab.h:957 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] __ntfs_init_fs_context fs/ntfs3/super.c:1804 [inline] ntfs_init_fs_context+0x26/0x1c0 fs/ntfs3/super.c:1855 alloc_fs_context+0x365/0x6e0 fs/fs_context.c:315 do_new_mount fs/namespace.c:3692 [inline] path_mount+0x933/0x1350 fs/namespace.c:4022 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount fs/namespace.c:4201 [inline] __x64_sys_mount+0x1a3/0x1e0 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff88810deebce0 (size 16): comm "syz.0.18", pid 6107, jiffies 4294947798 hex dump (first 16 bytes): 6d 61 63 67 72 65 65 6b 00 00 00 00 00 00 00 00 macgreek........ backtrace (crc 48f8d27d): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4958 [inline] slab_alloc_node mm/slub.c:5263 [inline] __do_kmalloc_node mm/slub.c:5656 [inline] __kmalloc_node_track_caller_noprof+0x47b/0x690 mm/slub.c:5768 __kmemdup_nul mm/util.c:64 [inline] kmemdup_nul+0x45/0xa0 mm/util.c:194 vfs_parse_fs_qstr+0x74/0xe0 fs/fs_context.c:181 vfs_parse_fs_string include/linux/fs_context.h:142 [inline] vfs_parse_monolithic_sep+0x102/0x150 fs/fs_context.c:227 do_new_mount fs/namespace.c:3708 [inline] path_mount+0x55a/0x1350 fs/namespace.c:4022 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount fs/namespace.c:4201 [inline] __x64_sys_mount+0x1a3/0x1e0 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff888146e71de0 (size 32): comm "syz.0.19", pid 6115, jiffies 4294947806 hex dump (first 32 bytes): d0 bc ee 0d 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 fe fd c0 ff 19 04 00 00 ................ backtrace (crc 61ba90f9): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4958 [inline] slab_alloc_node mm/slub.c:5263 [inline] __kmalloc_cache_noprof+0x41a/0x590 mm/slub.c:5775 kmalloc_noprof include/linux/slab.h:957 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] __ntfs_init_fs_context fs/ntfs3/super.c:1804 [inline] ntfs_init_fs_context+0x26/0x1c0 fs/ntfs3/super.c:1855 alloc_fs_context+0x365/0x6e0 fs/fs_context.c:315 do_new_mount fs/namespace.c:3692 [inline] path_mount+0x933/0x1350 fs/namespace.c:4022 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount fs/namespace.c:4201 [inline] __x64_sys_mount+0x1a3/0x1e0 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff88810deebcd0 (size 16): comm "syz.0.19", pid 6115, jiffies 4294947806 hex dump (first 16 bytes): 6d 61 63 67 72 65 65 6b 00 00 00 00 00 00 00 00 macgreek........ backtrace (crc 48f8d27d): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4958 [inline] slab_alloc_node mm/slub.c:5263 [inline] __do_kmalloc_node mm/slub.c:5656 [inline] __kmalloc_node_track_caller_noprof+0x47b/0x690 mm/slub.c:5768 __kmemdup_nul mm/util.c:64 [inline] kmemdup_nul+0x45/0xa0 mm/util.c:194 vfs_parse_fs_qstr+0x74/0xe0 fs/fs_context.c:181 vfs_parse_fs_string include/linux/fs_context.h:142 [inline] vfs_parse_monolithic_sep+0x102/0x150 fs/fs_context.c:227 do_new_mount fs/namespace.c:3708 [inline] path_mount+0x55a/0x1350 fs/namespace.c:4022 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount fs/namespace.c:4201 [inline] __x64_sys_mount+0x1a3/0x1e0 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

Crashes (264):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Assets (help?)	Manager	Title
2026/01/26 09:27	upstream	0a6dce0a5c66	55756628	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/26 08:44	upstream	0a6dce0a5c66	55756628	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/26 07:57	upstream	0a6dce0a5c66	55756628	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/26 07:21	upstream	0a6dce0a5c66	55756628	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/25 12:55	upstream	d91a46d6805a	40acda8a	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/25 10:40	upstream	d91a46d6805a	40acda8a	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/25 10:10	upstream	d91a46d6805a	40acda8a	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/25 08:53	upstream	d91a46d6805a	40acda8a	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/25 04:48	upstream	62085877ae65	40acda8a	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/25 04:22	upstream	62085877ae65	40acda8a	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/25 03:46	upstream	62085877ae65	40acda8a	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/24 09:26	upstream	c133687c2eae	4f25b9b4	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/24 08:17	upstream	c133687c2eae	4f25b9b4	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/24 07:24	upstream	c133687c2eae	4f25b9b4	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/23 21:43	upstream	c072629f05d7	3181850c	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 22:49	upstream	a66191c590b3	2367ed1e	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 22:11	upstream	a66191c590b3	2367ed1e	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 22:01	upstream	a66191c590b3	2367ed1e	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 21:54	upstream	a66191c590b3	2367ed1e	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 21:26	upstream	a66191c590b3	2367ed1e	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 21:21	upstream	a66191c590b3	2367ed1e	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 10:34	upstream	cf38b2340c0e	101dad69	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 09:59	upstream	cf38b2340c0e	101dad69	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 08:55	upstream	cf38b2340c0e	101dad69	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 08:52	upstream	cf38b2340c0e	101dad69	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/22 08:17	upstream	cf38b2340c0e	101dad69	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/21 22:35	upstream	6c790212c588	6f1aa2f9	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/21 21:57	upstream	6c790212c588	6f1aa2f9	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/21 21:19	upstream	6c790212c588	6f1aa2f9	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/20 03:55	upstream	24d479d26b25	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/20 03:08	upstream	24d479d26b25	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/19 13:43	upstream	24d479d26b25	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/19 13:09	upstream	24d479d26b25	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/19 12:50	upstream	24d479d26b25	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/19 12:44	upstream	24d479d26b25	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/19 01:11	upstream	e84d960149e7	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/19 00:32	upstream	e84d960149e7	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/19 00:06	upstream	e84d960149e7	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/18 11:44	upstream	d12453c7e281	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/17 22:45	upstream	d3eeb99bbc99	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/17 22:01	upstream	d3eeb99bbc99	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/17 21:44	upstream	d3eeb99bbc99	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/17 21:37	upstream	d3eeb99bbc99	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/17 21:05	upstream	d3eeb99bbc99	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2026/01/17 20:24	upstream	d3eeb99bbc99	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2025/12/07 23:51	upstream	37bb2e7217b0	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context
2025/12/06 10:03	upstream	d1d36025a617	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	ci-upstream-gce-leak	memory leak in ntfs_init_fs_context

Crashes (264):

Assets (help?)

2026/01/26 09:27

upstream