mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
* (no subject)
@ 2025-11-14  0:21 Mehdi Ben Hadj Khelifa
  2025-11-14  0:07 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Mehdi Ben Hadj Khelifa @ 2025-11-14  0:21 UTC (permalink / raw)
  To: syzbot+ad45f827c88778ff7df6
  Cc: syzkaller, linux-kernel, Mehdi Ben Hadj Khelifa

#syz test

diff --git a/fs/super.c b/fs/super.c
index 5bab94fb7e03..a9112b17b79f 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -484,6 +484,7 @@ void deactivate_locked_super(struct super_block *s)
 
 		put_filesystem(fs);
 		put_super(s);
+		kfree(s->s_fs_info);
 	} else {
 		super_unlock_excl(s);
 	}
-- 
2.51.2


^ permalink raw reply	[flat|nested] 15+ messages in thread
* Re: [PATCH] fs/super: fix memory leak of s_fs_info on setup_bdev_super failure
  2025-11-14  5:12 [PATCH] fs/super: fix memory leak of s_fs_info on setup_bdev_super failure Mehdi Ben Hadj Khelifa
@ 2025-11-19 13:43 Christian Brauner
  2025-11-19 14:13 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Christian Brauner @ 2025-11-19 13:43 UTC (permalink / raw)
  To: Mehdi Ben Hadj Khelifa
  Cc: syzbot+ad45f827c88778ff7df6, frank.li, glaubitz, linux-fsdevel,
	linux-kernel, slava, syzkaller-bugs

On Fri, Nov 14, 2025 at 06:12:12AM +0100, Mehdi Ben Hadj Khelifa wrote:
> #syz test
> 
> diff --git a/fs/super.c b/fs/super.c
> index 5bab94fb7e03..a99e5281b057 100644
> --- a/fs/super.c
> +++ b/fs/super.c
> @@ -1690,6 +1690,11 @@ int get_tree_bdev_flags(struct fs_context *fc,
>  		if (!error)
>  			error = fill_super(s, fc);
>  		if (error) {
> +			/*
> +			 * return back sb_info ownership to fc to be freed by put_fs_context()
> +			 */
> +			fc->s_fs_info = s->s_fs_info;
> +			s->s_fs_info = NULL;
>  			deactivate_locked_super(s);
>  			return error;
>  		}

#syz test: https://github.com/brauner/linux.git work.hfs.fixes

^ permalink raw reply	[flat|nested] 15+ messages in thread
* (no subject)
  2025-11-13  4:27 syzbot
@ 2025-11-19  5:31 Mehdi Ben Hadj Khelifa
  2025-11-19  5:19 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Mehdi Ben Hadj Khelifa @ 2025-11-19  5:31 UTC (permalink / raw)
  To: syzbot+ad45f827c88778ff7df6
  Cc: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava,
	syzkaller-bugs, Mehdi Ben Hadj Khelifa

#syz test

diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 47f50fa555a4..06e1c25e47dc 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -49,8 +49,6 @@ static void hfs_put_super(struct super_block *sb)
 {
 	cancel_delayed_work_sync(&HFS_SB(sb)->mdb_work);
 	hfs_mdb_close(sb);
-	/* release the MDB's resources */
-	hfs_mdb_put(sb);
 }
 
 static void flush_mdb(struct work_struct *work)
@@ -383,7 +381,6 @@ static int hfs_fill_super(struct super_block *sb, struct fs_context *fc)
 bail_no_root:
 	pr_err("get root inode failed\n");
 bail:
-	hfs_mdb_put(sb);
 	return res;
 }
 
@@ -431,10 +428,21 @@ static int hfs_init_fs_context(struct fs_context *fc)
 	return 0;
 }
 
+static void hfs_kill_sb(struct super_block *sb)
+{
+	generic_shutdown_super(sb);
+	hfs_mdb_put(sb);
+	if (sb->s_bdev) {
+		sync_blockdev(sb->s_bdev);
+		bdev_fput(sb->s_bdev_file);
+	}
+
+}
+
 static struct file_system_type hfs_fs_type = {
 	.owner		= THIS_MODULE,
 	.name		= "hfs",
-	.kill_sb	= kill_block_super,
+	.kill_sb	= hfs_kill_sb,
 	.fs_flags	= FS_REQUIRES_DEV,
 	.init_fs_context = hfs_init_fs_context,
 };
-- 
2.52.0


^ permalink raw reply	[flat|nested] 15+ messages in thread
* (no subject)
  2025-11-13  4:27 syzbot
@ 2025-11-18 19:21 Mehdi Ben Hadj Khelifa
  2025-11-18 20:32 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Mehdi Ben Hadj Khelifa @ 2025-11-18 19:21 UTC (permalink / raw)
  To: syzbot+ad45f827c88778ff7df6
  Cc: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava,
	syzkaller-bugs, Mehdi Ben Hadj Khelifa

#syz test

diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 47f50fa555a4..06e1c25e47dc 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -49,8 +49,6 @@ static void hfs_put_super(struct super_block *sb)
 {
 	cancel_delayed_work_sync(&HFS_SB(sb)->mdb_work);
 	hfs_mdb_close(sb);
-	/* release the MDB's resources */
-	hfs_mdb_put(sb);
 }
 
 static void flush_mdb(struct work_struct *work)
@@ -383,7 +381,6 @@ static int hfs_fill_super(struct super_block *sb, struct fs_context *fc)
 bail_no_root:
 	pr_err("get root inode failed\n");
 bail:
-	hfs_mdb_put(sb);
 	return res;
 }
 
@@ -431,10 +428,21 @@ static int hfs_init_fs_context(struct fs_context *fc)
 	return 0;
 }
 
+static void hfs_kill_sb(struct super_block *sb)
+{
+	generic_shutdown_super(sb);
+	hfs_mdb_put(sb);
+	if (sb->s_bdev) {
+		sync_blockdev(sb->s_bdev);
+		bdev_fput(sb->s_bdev_file);
+	}
+
+}
+
 static struct file_system_type hfs_fs_type = {
 	.owner		= THIS_MODULE,
 	.name		= "hfs",
-	.kill_sb	= kill_block_super,
+	.kill_sb	= hfs_kill_sb,
 	.fs_flags	= FS_REQUIRES_DEV,
 	.init_fs_context = hfs_init_fs_context,
 };
-- 
2.52.0


^ permalink raw reply	[flat|nested] 15+ messages in thread
* (no subject)
  2025-11-13  4:27 syzbot
@ 2025-11-18 18:27 Mehdi Ben Hadj Khelifa
  2025-11-18 20:32 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Mehdi Ben Hadj Khelifa @ 2025-11-18 18:27 UTC (permalink / raw)
  To: syzbot+ad45f827c88778ff7df6
  Cc: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava,
	syzkaller-bugs, Mehdi Ben Hadj Khelifa

#syz test

diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 47f50fa555a4..46cdff89fb00 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -431,10 +431,21 @@ static int hfs_init_fs_context(struct fs_context *fc)
 	return 0;
 }
 
+static void hfs_kill_sb(struct super_block *sb)
+{
+	generic_shutdown_super(sb);
+	hfs_mdb_put(sb);
+	if (sb->s_bdev) {
+		sync_blockdev(sb->s_bdev);
+		bdev_fput(sb->s_bdev_file);
+	}
+
+}
+
 static struct file_system_type hfs_fs_type = {
 	.owner		= THIS_MODULE,
 	.name		= "hfs",
-	.kill_sb	= kill_block_super,
+	.kill_sb	= hfs_kill_sb,
 	.fs_flags	= FS_REQUIRES_DEV,
 	.init_fs_context = hfs_init_fs_context,
 };
-- 
2.52.0


^ permalink raw reply	[flat|nested] 15+ messages in thread
* (no subject)
  2025-11-13  4:27 syzbot
@ 2025-11-18 17:00 Mehdi Ben Hadj Khelifa
  2025-11-18 17:15 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Mehdi Ben Hadj Khelifa @ 2025-11-18 17:00 UTC (permalink / raw)
  To: syzbot+ad45f827c88778ff7df6
  Cc: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava,
	syzkaller-bugs, Mehdi Ben Hadj Khelifa

#syz test

Signed-off-by: Mehdi Ben Hadj Khelifa <mehdi.benhadjkhelifa@gmail.com>
---
 fs/super.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/super.c b/fs/super.c
index 5bab94fb7e03..3f48e5cd733f 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1723,6 +1723,8 @@ void kill_block_super(struct super_block *sb)
 	if (bdev) {
 		sync_blockdev(bdev);
 		bdev_fput(sb->s_bdev_file);
+	}else{
+		kfree(sb->s_fs_info);	
 	}
 }
 
-- 
2.52.0


^ permalink raw reply	[flat|nested] 15+ messages in thread
* (no subject)
  2025-11-13  4:27 syzbot
@ 2025-11-14 16:01 Mehdi Ben Hadj Khelifa
  2025-11-14 15:29 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Mehdi Ben Hadj Khelifa @ 2025-11-14 16:01 UTC (permalink / raw)
  To: syzbot+ad45f827c88778ff7df6
  Cc: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava,
	syzkaller-bugs, Mehdi Ben Hadj Khelifa

#syz test

diff --git a/fs/super.c b/fs/super.c
index 5bab94fb7e03..8fadf97fcc42 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1690,6 +1690,11 @@ int get_tree_bdev_flags(struct fs_context *fc,
 		if (!error)
 			error = fill_super(s, fc);
 		if (error) {
+			/*
+			 * return s_fs_info ownership to fc to be cleaned up by put_fs_context()
+			 */
+			fc->s_fs_info = s->s_fs_info;
+			s->s_fs_info = NULL;
 			deactivate_locked_super(s);
 			return error;
 		}
-- 
2.51.2


^ permalink raw reply	[flat|nested] 15+ messages in thread
* [PATCH] fs/super: fix memory leak of s_fs_info on setup_bdev_super failure
  2025-11-13  4:27 syzbot
@ 2025-11-14  5:12 Mehdi Ben Hadj Khelifa
  2025-11-14  4:26 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Mehdi Ben Hadj Khelifa @ 2025-11-14  5:12 UTC (permalink / raw)
  To: syzbot+ad45f827c88778ff7df6
  Cc: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava,
	syzkaller-bugs, Mehdi Ben Hadj Khelifa

#syz test

diff --git a/fs/super.c b/fs/super.c
index 5bab94fb7e03..a99e5281b057 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1690,6 +1690,11 @@ int get_tree_bdev_flags(struct fs_context *fc,
 		if (!error)
 			error = fill_super(s, fc);
 		if (error) {
+			/*
+			 * return back sb_info ownership to fc to be freed by put_fs_context()
+			 */
+			fc->s_fs_info = s->s_fs_info;
+			s->s_fs_info = NULL;
 			deactivate_locked_super(s);
 			return error;
 		}
-- 
2.51.2


^ permalink raw reply	[flat|nested] 15+ messages in thread
* (no subject)
  2025-11-13  4:27 syzbot
@ 2025-11-14  3:18 Mehdi Ben Hadj Khelifa
  2025-11-14  3:00 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Mehdi Ben Hadj Khelifa @ 2025-11-14  3:18 UTC (permalink / raw)
  To: syzbot+ad45f827c88778ff7df6
  Cc: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava,
	syzkaller-bugs, Mehdi Ben Hadj Khelifa

#syz test

diff --git a/fs/super.c b/fs/super.c
index 5bab94fb7e03..b1a78189b2c5 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1690,6 +1690,7 @@ int get_tree_bdev_flags(struct fs_context *fc,
 		if (!error)
 			error = fill_super(s, fc);
 		if (error) {
+			fc->s_fs_info = s->s_fs_info;
 			deactivate_locked_super(s);
 			return error;
 		}
-- 
2.51.2


^ permalink raw reply	[flat|nested] 15+ messages in thread
* (no subject)
  2025-11-13  4:27 syzbot
@ 2025-11-14  1:24 Mehdi Ben Hadj Khelifa
  2025-11-14  2:03 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  0 siblings, 1 reply; 15+ messages in thread
From: Mehdi Ben Hadj Khelifa @ 2025-11-14  1:24 UTC (permalink / raw)
  To: syzbot+ad45f827c88778ff7df6
  Cc: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava,
	syzkaller-bugs, Mehdi Ben Hadj Khelifa

#syz test

diff --git a/fs/super.c b/fs/super.c
index 5bab94fb7e03..a9112b17b79f 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -484,6 +484,7 @@ void deactivate_locked_super(struct super_block *s)
 
 		put_filesystem(fs);
 		put_super(s);
+		kfree(s->s_fs_info);
 	} else {
 		super_unlock_excl(s);
 	}
-- 
2.51.2


^ permalink raw reply	[flat|nested] 15+ messages in thread
* [syzbot] [hfs?] memory leak in hfs_init_fs_context
@ 2025-11-13  4:27 syzbot
  2025-11-13 21:47 ` Viacheslav Dubeyko
  0 siblings, 1 reply; 15+ messages in thread
From: syzbot @ 2025-11-13  4:27 UTC (permalink / raw)
  To: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava, syzkaller-bugs

Hello,

syzbot found the following issue on:

HEAD commit:    4ea7c1717f3f Merge tag 'for-linus' of git://git.kernel.org..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17346c12580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=cb128cd5cb439809
dashboard link: https://syzkaller.appspot.com/bug?extid=ad45f827c88778ff7df6
compiler:       gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=143f5c12580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17c9a7cd980000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/1f8cf51c9042/disk-4ea7c171.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/6f227246b5b7/vmlinux-4ea7c171.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f935766a00b3/bzImage-4ea7c171.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/bee9311f4026/mount_4.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ad45f827c88778ff7df6@syzkaller.appspotmail.com

BUG: memory leak
unreferenced object 0xffff888111778c00 (size 512):
  comm "syz.0.17", pid 6092, jiffies 4294942644
  hex dump (first 32 bytes):
    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 00  ................
  backtrace (crc eb1d7412):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4979 [inline]
    slab_alloc_node mm/slub.c:5284 [inline]
    __kmalloc_cache_noprof+0x3a6/0x5b0 mm/slub.c:5762
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    hfs_init_fs_context+0x24/0xd0 fs/hfs/super.c:411
    alloc_fs_context+0x214/0x430 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3707 [inline]
    path_mount+0x93c/0x12e0 fs/namespace.c:4037
    do_mount fs/namespace.c:4050 [inline]
    __do_sys_mount fs/namespace.c:4238 [inline]
    __se_sys_mount fs/namespace.c:4215 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4215
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88810a2e8800 (size 512):
  comm "syz.0.18", pid 6098, jiffies 4294942646
  hex dump (first 32 bytes):
    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 00  ................
  backtrace (crc eb1d7412):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4979 [inline]
    slab_alloc_node mm/slub.c:5284 [inline]
    __kmalloc_cache_noprof+0x3a6/0x5b0 mm/slub.c:5762
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    hfs_init_fs_context+0x24/0xd0 fs/hfs/super.c:411
    alloc_fs_context+0x214/0x430 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3707 [inline]
    path_mount+0x93c/0x12e0 fs/namespace.c:4037
    do_mount fs/namespace.c:4050 [inline]
    __do_sys_mount fs/namespace.c:4238 [inline]
    __se_sys_mount fs/namespace.c:4215 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4215
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88810a2e8e00 (size 512):
  comm "syz.0.19", pid 6102, jiffies 4294942648
  hex dump (first 32 bytes):
    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 00  ................
  backtrace (crc eb1d7412):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4979 [inline]
    slab_alloc_node mm/slub.c:5284 [inline]
    __kmalloc_cache_noprof+0x3a6/0x5b0 mm/slub.c:5762
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    hfs_init_fs_context+0x24/0xd0 fs/hfs/super.c:411
    alloc_fs_context+0x214/0x430 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3707 [inline]
    path_mount+0x93c/0x12e0 fs/namespace.c:4037
    do_mount fs/namespace.c:4050 [inline]
    __do_sys_mount fs/namespace.c:4238 [inline]
    __se_sys_mount fs/namespace.c:4215 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4215
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff8881263ed600 (size 512):
  comm "syz.0.20", pid 6125, jiffies 4294943177
  hex dump (first 32 bytes):
    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 00  ................
  backtrace (crc eb1d7412):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4979 [inline]
    slab_alloc_node mm/slub.c:5284 [inline]
    __kmalloc_cache_noprof+0x3a6/0x5b0 mm/slub.c:5762
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    hfs_init_fs_context+0x24/0xd0 fs/hfs/super.c:411
    alloc_fs_context+0x214/0x430 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3707 [inline]
    path_mount+0x93c/0x12e0 fs/namespace.c:4037
    do_mount fs/namespace.c:4050 [inline]
    __do_sys_mount fs/namespace.c:4238 [inline]
    __se_sys_mount fs/namespace.c:4215 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4215
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88810db18c00 (size 512):
  comm "syz.0.21", pid 6127, jiffies 4294943179
  hex dump (first 32 bytes):
    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 00  ................
  backtrace (crc eb1d7412):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4979 [inline]
    slab_alloc_node mm/slub.c:5284 [inline]
    __kmalloc_cache_noprof+0x3a6/0x5b0 mm/slub.c:5762
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    hfs_init_fs_context+0x24/0xd0 fs/hfs/super.c:411
    alloc_fs_context+0x214/0x430 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3707 [inline]
    path_mount+0x93c/0x12e0 fs/namespace.c:4037
    do_mount fs/namespace.c:4050 [inline]
    __do_sys_mount fs/namespace.c:4238 [inline]
    __se_sys_mount fs/namespace.c:4215 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4215
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF


---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title

If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.

If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)

If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report

If you want to undo deduplication, reply with:
#syz undup

^ permalink raw reply	[flat|nested] 15+ messages in thread

end of thread, other threads:[~2025-11-19 15:08 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2025-11-14  0:21 Mehdi Ben Hadj Khelifa
2025-11-14  0:07 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
  -- strict thread matches above, loose matches on Subject: below --
2025-11-19 13:43 [PATCH] fs/super: fix memory leak of s_fs_info on setup_bdev_super failure Christian Brauner
2025-11-19 14:13 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
2025-11-19 14:16   ` Christian Brauner
2025-11-19 15:08     ` syzbot
2025-11-19  5:31 Mehdi Ben Hadj Khelifa
2025-11-19  5:19 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
2025-11-18 19:21 Mehdi Ben Hadj Khelifa
2025-11-18 20:32 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
2025-11-18 18:27 Mehdi Ben Hadj Khelifa
2025-11-18 20:32 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
2025-11-18 17:00 Mehdi Ben Hadj Khelifa
2025-11-18 17:15 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
2025-11-14 16:01 Mehdi Ben Hadj Khelifa
2025-11-14 15:29 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
2025-11-14  5:12 [PATCH] fs/super: fix memory leak of s_fs_info on setup_bdev_super failure Mehdi Ben Hadj Khelifa
2025-11-14  4:26 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
2025-11-14  3:18 Mehdi Ben Hadj Khelifa
2025-11-14  3:00 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
2025-11-14  1:24 Mehdi Ben Hadj Khelifa
2025-11-14  2:03 ` [syzbot] [hfs?] memory leak in hfs_init_fs_context syzbot
2025-11-13  4:27 syzbot
2025-11-13 21:47 ` Viacheslav Dubeyko

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

Powered by JetHome