[syzbot] memory leak in __get_metapage

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 4fe89d07dcc2 Linux 6.0
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=169a7924880000
kernel config: https://syzkaller.appspot.com/x/.config?x=21254cf9c7c084e0
dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bdd7ec880000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/651a252f7035/disk-4fe89d07.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/776feb8e0e5b/vmlinux-4fe89d07.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+389b82...@syzkaller.appspotmail.com

BUG: memory leak
unreferenced object 0xffff888114339e80 (size 128):
comm "syz-executor.0", pid 3673, jiffies 4295017005 (age 12.610s)
hex dump (first 32 bytes):
00 10 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:
[<ffffffff814927b3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5aefa>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5aefa>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c43862>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45254>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45254>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c4707f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57d9a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a4c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815fc703>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff816056e5>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81605859>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81605859>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81605859>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff845eab95>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845eab95>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888114339e00 (size 128):
comm "syz-executor.0", pid 3673, jiffies 4295017005 (age 12.610s)
hex dump (first 32 bytes):
00 10 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:
[<ffffffff814927b3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5aefa>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5aefa>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c43862>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45254>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45254>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c4707f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57d9a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a4c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815fc703>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff816056e5>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81605859>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81605859>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81605859>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff845eab95>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845eab95>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888114339d80 (size 128):
comm "syz-executor.0", pid 3673, jiffies 4295017005 (age 12.610s)
hex dump (first 32 bytes):
00 10 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:
[<ffffffff814927b3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5aefa>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5aefa>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c43862>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45254>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45254>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c4707f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57d9a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a4c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815fc703>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff816056e5>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81605859>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81605859>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81605859>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff845eab95>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845eab95>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff8881142f0300 (size 128):
comm "syz-executor.0", pid 3676, jiffies 4295017533 (age 7.330s)
hex dump (first 32 bytes):
00 10 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:
[<ffffffff814927b3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5aefa>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5aefa>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c43862>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45254>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45254>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c4707f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57d9a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a4c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815fc703>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff816056e5>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81605859>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81605859>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81605859>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff845eab95>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845eab95>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd



---
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 syzk...@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches

[Dmitry Vyukov]

+jfs maintainers

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[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in __get_metapage

BUG: memory leak
unreferenced object 0xffff88810ace7200 (size 128):
comm "syz-executor.0", pid 4737, jiffies 4294944545 (age 13.720s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5adba>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff8881151d4700 (size 128):
comm "syz-executor.0", pid 4737, jiffies 4294944545 (age 13.720s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5adba>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff8881151d4680 (size 128):
comm "syz-executor.0", pid 4737, jiffies 4294944545 (age 13.720s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5adba>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff8881151d4500 (size 128):
comm "syz-executor.0", pid 4739, jiffies 4294944549 (age 13.680s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5adba>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd



Tested on:

commit: 833477fc Merge tag 'sound-6.1-rc1' of git://git.kernel..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=13a938b2880000
kernel config: https://syzkaller.appspot.com/x/.config?x=a6ff148a39172f83

dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: no patches were applied.

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in __get_metapage

BUG: memory leak

unreferenced object 0xffff88811596ea00 (size 128):
comm "syz-executor.0", pid 4281, jiffies 4294945056 (age 13.480s)

hex dump (first 32 bytes):
00 10 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:
[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]

[<ffffffff81c5adba>] __get_metapage+0x38a/0x9e0 fs/jfs/jfs_metapage.c:651

[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff88811596ea80 (size 128):
comm "syz-executor.0", pid 4281, jiffies 4294945056 (age 13.480s)

hex dump (first 32 bytes):
00 10 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:
[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]

[<ffffffff81c5adba>] __get_metapage+0x38a/0x9e0 fs/jfs/jfs_metapage.c:651

[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff88811596eb00 (size 128):
comm "syz-executor.0", pid 4281, jiffies 4294945056 (age 13.480s)

hex dump (first 32 bytes):
00 10 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:
[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]

[<ffffffff81c5adba>] __get_metapage+0x38a/0x9e0 fs/jfs/jfs_metapage.c:651

[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd



Tested on:

commit: 833477fc Merge tag 'sound-6.1-rc1' of git://git.kernel..
git tree: upstream

console output: https://syzkaller.appspot.com/x/log.txt?x=13a6b21c880000

kernel config: https://syzkaller.appspot.com/x/.config?x=a6ff148a39172f83
dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

patch: https://syzkaller.appspot.com/x/patch.diff?x=11c88168880000

[syzbot]

> On Tuesday, October 4, 2022 10:49:42 AM CEST syzbot wrote:
>> Hello,
>>
>> syzbot found the following issue on:
>>
>> HEAD commit: 4fe89d07dcc2 Linux 6.0

>> git tree: upstream

>> console output: https://syzkaller.appspot.com/x/log.txt?x=169a7924880000
>> kernel config: https://syzkaller.appspot.com/x/.config?x=21254cf9c7c084e0

>> dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
>> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils
> for Debian) 2.35.2

>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bdd7ec880000
>>
>> Downloadable assets:
>> disk image: https://storage.googleapis.com/syzbot-assets/651a252f7035/
> disk-4fe89d07.raw.xz
>> vmlinux: https://storage.googleapis.com/syzbot-assets/776feb8e0e5b/
> vmlinux-4fe89d07.xz
>>
>> IMPORTANT: if you fix the issue, please add the following tag to the commit:
>> Reported-by: syzbot+389b82...@syzkaller.appspotmail.com
>>

>> BUG: memory leak

>> unreferenced object 0xffff888114339e80 (size 128):
>> comm "syz-executor.0", pid 3673, jiffies 4295017005 (age 12.610s)

>> hex dump (first 32 bytes):
>> 00 10 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:

>> [<ffffffff814927b3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
>> [<ffffffff81c5aefa>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
>> [<ffffffff81c5aefa>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
>> [<ffffffff81c43862>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
>> [<ffffffff81c45254>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
>> [<ffffffff81c45254>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
>> [<ffffffff81c4707f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
>> [<ffffffff81c57d9a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
>> [<ffffffff81c3a4c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
>> [<ffffffff815fc703>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
>> [<ffffffff816056e5>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
>> [<ffffffff81605859>] __do_sys_mkdir fs/namei.c:4058 [inline]
>> [<ffffffff81605859>] __se_sys_mkdir fs/namei.c:4056 [inline]
>> [<ffffffff81605859>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
>> [<ffffffff845eab95>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]

>> [<ffffffff845eab95>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

>> [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
>>
>> BUG: memory leak

>> unreferenced object 0xffff888114339e00 (size 128):

>> comm "syz-executor.0", pid 3673, jiffies 4295017005 (age 12.610s)

>> hex dump (first 32 bytes):
>> 00 10 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:

>> [<ffffffff814927b3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
>> [<ffffffff81c5aefa>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
>> [<ffffffff81c5aefa>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
>> [<ffffffff81c43862>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
>> [<ffffffff81c45254>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
>> [<ffffffff81c45254>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
>> [<ffffffff81c4707f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
>> [<ffffffff81c57d9a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
>> [<ffffffff81c3a4c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
>> [<ffffffff815fc703>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
>> [<ffffffff816056e5>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
>> [<ffffffff81605859>] __do_sys_mkdir fs/namei.c:4058 [inline]
>> [<ffffffff81605859>] __se_sys_mkdir fs/namei.c:4056 [inline]
>> [<ffffffff81605859>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
>> [<ffffffff845eab95>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]

>> [<ffffffff845eab95>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

>> [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
>>
>> BUG: memory leak

>> unreferenced object 0xffff888114339d80 (size 128):

>> comm "syz-executor.0", pid 3673, jiffies 4295017005 (age 12.610s)

>> hex dump (first 32 bytes):
>> 00 10 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:

>> [<ffffffff814927b3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
>> [<ffffffff81c5aefa>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
>> [<ffffffff81c5aefa>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
>> [<ffffffff81c43862>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
>> [<ffffffff81c45254>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
>> [<ffffffff81c45254>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
>> [<ffffffff81c4707f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
>> [<ffffffff81c57d9a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
>> [<ffffffff81c3a4c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
>> [<ffffffff815fc703>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
>> [<ffffffff816056e5>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
>> [<ffffffff81605859>] __do_sys_mkdir fs/namei.c:4058 [inline]
>> [<ffffffff81605859>] __se_sys_mkdir fs/namei.c:4056 [inline]
>> [<ffffffff81605859>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
>> [<ffffffff845eab95>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]

>> [<ffffffff845eab95>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

>> [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
>>
>> BUG: memory leak

>> unreferenced object 0xffff8881142f0300 (size 128):
>> comm "syz-executor.0", pid 3676, jiffies 4295017533 (age 7.330s)

>> hex dump (first 32 bytes):
>> 00 10 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:

>> [<ffffffff814927b3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
>> [<ffffffff81c5aefa>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
>> [<ffffffff81c5aefa>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651
>> [<ffffffff81c43862>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
>> [<ffffffff81c45254>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
>> [<ffffffff81c45254>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
>> [<ffffffff81c4707f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
>> [<ffffffff81c57d9a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
>> [<ffffffff81c3a4c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
>> [<ffffffff815fc703>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
>> [<ffffffff816056e5>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
>> [<ffffffff81605859>] __do_sys_mkdir fs/namei.c:4058 [inline]
>> [<ffffffff81605859>] __se_sys_mkdir fs/namei.c:4056 [inline]
>> [<ffffffff81605859>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
>> [<ffffffff845eab95>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]

>> [<ffffffff845eab95>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
>> [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
>>
>
> #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

want 2 args (repo, branch), got 1

>

[syzbot]

want 2 args (repo, branch), got 4

> 4fe89d07dcc2 Linux 6.0

[syzbot]

want 2 args (repo, branch), got 3

> Linux 6.0
>
>
>
>

[syzbot]

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to checkout kernel repo git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/6.0: failed to run ["git" "fetch" "--force" "f569e972c8e9057ee9c286220c83a480ebf30cc5" "6.0"]: exit status 128
fatal: couldn't find remote ref 6.0



Tested on:

commit: [unknown
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 6.0

dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
compiler:

patch: https://syzkaller.appspot.com/x/patch.diff?x=1634a658880000

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:

SYZFATAL: executor failed NUM times: executor NUM: exit status NUM

2022/10/06 22:02:25 SYZFATAL: executor failed 11 times: executor 0: exit status 67
SYZFAIL: wrong response packet
(errno 16: Device or resource busy)
loop exited with status 67

SYZFAIL: wrong response packet
(errno 16: Device or resource busy)
loop exited with status 67


Tested on:

commit: ffb39098 Merge tag 'linux-kselftest-kunit-6.1-rc1' of ..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=167fffb8880000
kernel config: https://syzkaller.appspot.com/x/.config?x=10f41fbb818af57a
dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a

compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:

memory leak in __get_metapage

BUG: memory leak
unreferenced object 0xffff88810abfae80 (size 128):
comm "syz-executor.0", pid 4206, jiffies 4294944336 (age 14.270s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]

[<ffffffff81c5adba>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651

[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]

[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff88810abfaf00 (size 128):
comm "syz-executor.0", pid 4206, jiffies 4294944336 (age 14.270s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]

[<ffffffff81c5adba>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651

[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]

[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff88810a5a7080 (size 128):
comm "syz-executor.0", pid 4206, jiffies 4294944336 (age 14.270s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]

[<ffffffff81c5adba>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651

[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]

[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff888114d44e80 (size 128):
comm "syz-executor.0", pid 4734, jiffies 4294944949 (age 8.140s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f863>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5adba>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]

[<ffffffff81c5adba>] __get_metapage+0x38a/0x9b0 fs/jfs/jfs_metapage.c:651

[<ffffffff81c43722>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c45114>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c45114>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c46f3f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c57c5a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3a397>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9a23>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602a05>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602b79>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602b79>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602b79>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff846099a5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]

[<ffffffff846099a5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

Tested on:

commit: ffb39098 Merge tag 'linux-kselftest-kunit-6.1-rc1' of ..
git tree: upstream

console output: https://syzkaller.appspot.com/x/log.txt?x=14c99b0a880000

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in __get_metapage

BUG: memory leak

unreferenced object 0xffff88811557d900 (size 128):
comm "syz-executor.0", pid 4217, jiffies 4294945006 (age 13.930s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f9c3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5bd0e>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5bd0e>] __get_metapage+0x3ae/0xae0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c44652>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c46044>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c46044>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c47e6f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c58b8a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3b2c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9d83>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602d65>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602ed9>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602ed9>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602ed9>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff845fd895>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845fd895>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff88811557d880 (size 128):
comm "syz-executor.0", pid 4217, jiffies 4294945006 (age 13.930s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f9c3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5bd0e>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5bd0e>] __get_metapage+0x3ae/0xae0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c44652>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c46044>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c46044>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c47e6f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c58b8a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3b2c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9d83>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602d65>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602ed9>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602ed9>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602ed9>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff845fd895>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845fd895>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff88811557d800 (size 128):
comm "syz-executor.0", pid 4217, jiffies 4294945006 (age 13.930s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f9c3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5bd0e>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5bd0e>] __get_metapage+0x3ae/0xae0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c44652>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c46044>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c46044>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c47e6f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c58b8a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3b2c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9d83>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602d65>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602ed9>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602ed9>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602ed9>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff845fd895>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845fd895>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff88811557d380 (size 128):
comm "syz-executor.0", pid 4732, jiffies 4294945604 (age 7.950s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f9c3>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c5bd0e>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c5bd0e>] __get_metapage+0x3ae/0xae0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c44652>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c46044>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c46044>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c47e6f>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c58b8a>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c3b2c7>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f9d83>] vfs_mkdir+0x223/0x340 fs/namei.c:4013
[<ffffffff81602d65>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4038
[<ffffffff81602ed9>] __do_sys_mkdir fs/namei.c:4058 [inline]
[<ffffffff81602ed9>] __se_sys_mkdir fs/namei.c:4056 [inline]
[<ffffffff81602ed9>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4056
[<ffffffff845fd895>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845fd895>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd



Tested on:

commit: a6afa419 Merge tag 'mailbox-v6.1' of git://git.linaro...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1731b058880000
kernel config: https://syzkaller.appspot.com/x/.config?x=8a89a8ae43ac7f85

dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

patch: https://syzkaller.appspot.com/x/patch.diff?x=15412692880000

[Fabio M. De Francesco]

On Tuesday, October 4, 2022 10:49:42 AM CEST syzbot wrote:

> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 4fe89d07dcc2 Linux 6.0
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=169a7924880000
> kernel config: https://syzkaller.appspot.com/x/.config?x=21254cf9c7c084e0
> dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils
for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bdd7ec880000
>
> Downloadable assets:

> disk image: https://storage.googleapis.com/syzbot-assets/651a252f7035/
disk-4fe89d07.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/776feb8e0e5b/
vmlinux-4fe89d07.xz
>

#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
4fe89d07dcc2 Linux 6.0

>
>
> ---
> 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 syzk...@googlegroups.com.
>
> syzbot will keep track of this issue. See:
> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
> syzbot can test patches for this issue, for details see:
> https://goo.gl/tpsmEJ#testing-patches
>

[Fabio M. De Francesco]

On Tuesday, October 4, 2022 10:49:42 AM CEST syzbot wrote:

> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 4fe89d07dcc2 Linux 6.0
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=169a7924880000
> kernel config: https://syzkaller.appspot.com/x/.config?x=21254cf9c7c084e0
> dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils
for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bdd7ec880000
>
> Downloadable assets:

> disk image: https://storage.googleapis.com/syzbot-assets/651a252f7035/
disk-4fe89d07.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/776feb8e0e5b/
vmlinux-4fe89d07.xz
>

#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

[syzbot]

want 2 args (repo, branch), got 4

> 4fe89d07dcc2 Linux 6.0
>
>>
>>
>> ---
>> 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 syzk...@googlegroups.com.
>>
>> syzbot will keep track of this issue. See:
>> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
>> syzbot can test patches for this issue, for details see:
>> https://goo.gl/tpsmEJ#testing-patches
>>
>> --
>> You received this message because you are subscribed to the Google Groups
> "syzkaller-bugs" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
> email to syzkaller-bug...@googlegroups.com.
>> To view this discussion on the web visit https://groups.google.com/d/msgid/
> syzkaller-bugs/0000000000008a5a2e05ea318aa9%40google.com.
>>
>
>
>
>
> --
> You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bug...@googlegroups.com.

> To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/2136501.irdbgypaU6%40mypc.

[Fabio M. De Francesco]

On Tuesday, October 4, 2022 10:49:42 AM CEST syzbot wrote:

> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 4fe89d07dcc2 Linux 6.0
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=169a7924880000
> kernel config: https://syzkaller.appspot.com/x/.config?x=21254cf9c7c084e0
> dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils
for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bdd7ec880000
>
> Downloadable assets:

> disk image: https://storage.googleapis.com/syzbot-assets/651a252f7035/
disk-4fe89d07.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/776feb8e0e5b/
vmlinux-4fe89d07.xz
>

#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Linux 6.0

[Fabio M. De Francesco]

On Tuesday, October 4, 2022 10:49:42 AM CEST syzbot wrote:

> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 4fe89d07dcc2 Linux 6.0
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=169a7924880000
> kernel config: https://syzkaller.appspot.com/x/.config?x=21254cf9c7c084e0
> dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils
for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bdd7ec880000
>
> Downloadable assets:

> disk image: https://storage.googleapis.com/syzbot-assets/651a252f7035/
disk-4fe89d07.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/776feb8e0e5b/
vmlinux-4fe89d07.xz
>

#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 6.0

[syzbot]

want 2 args (repo, branch), got 3

> Linux 6.0

>
>
>
>
> --
> You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bug...@googlegroups.com.

> To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/2867034.e9J7NaK4W3%40mypc.

[Fabio M. De Francesco]

On Tuesday, October 4, 2022 10:49:42 AM CEST syzbot wrote:

> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 4fe89d07dcc2 Linux 6.0
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=169a7924880000
> kernel config: https://syzkaller.appspot.com/x/.config?x=21254cf9c7c084e0
> dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils
for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bdd7ec880000
>
> Downloadable assets:

> disk image: https://storage.googleapis.com/syzbot-assets/651a252f7035/
disk-4fe89d07.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/776feb8e0e5b/
vmlinux-4fe89d07.xz
>

I'm still providing the "syz test" command with wrong syntax.
Let's try what I found in older tests of mine...

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master

[Fabio M. De Francesco]

On Tuesday, October 4, 2022 10:49:42 AM CEST syzbot wrote:

> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 4fe89d07dcc2 Linux 6.0
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=169a7924880000
> kernel config: https://syzkaller.appspot.com/x/.config?x=21254cf9c7c084e0
> dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils
for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bdd7ec880000
>
> Downloadable assets:

> disk image: https://storage.googleapis.com/syzbot-assets/651a252f7035/
disk-4fe89d07.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/776feb8e0e5b/
vmlinux-4fe89d07.xz
>

[Fabio M. De Francesco]

On Tuesday, October 4, 2022 10:49:42 AM CEST syzbot wrote:

> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 4fe89d07dcc2 Linux 6.0
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=169a7924880000
> kernel config: https://syzkaller.appspot.com/x/.config?x=21254cf9c7c084e0
> dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils
for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bdd7ec880000
>
> Downloadable assets:

> disk image: https://storage.googleapis.com/syzbot-assets/651a252f7035/
disk-4fe89d07.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/776feb8e0e5b/
vmlinux-4fe89d07.xz
>

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in __get_metapage

BUG: memory leak
unreferenced object 0xffff888115b53800 (size 128):
comm "syz-executor.0", pid 4198, jiffies 4294944352 (age 13.760s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f373>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c4f24e>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c4f24e>] __get_metapage+0x3ae/0xae0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c37cc2>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c396b4>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c396b4>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c3b4df>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c4c1da>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c2e937>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f0df3>] vfs_mkdir+0x223/0x340 fs/namei.c:4035
[<ffffffff815f9d65>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4060
[<ffffffff815f9ed9>] __do_sys_mkdir fs/namei.c:4080 [inline]
[<ffffffff815f9ed9>] __se_sys_mkdir fs/namei.c:4078 [inline]
[<ffffffff815f9ed9>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4078
[<ffffffff845fee85>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845fee85>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff888115b53880 (size 128):
comm "syz-executor.0", pid 4198, jiffies 4294944352 (age 13.760s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f373>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c4f24e>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c4f24e>] __get_metapage+0x3ae/0xae0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c37cc2>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c396b4>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c396b4>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c3b4df>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c4c1da>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c2e937>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f0df3>] vfs_mkdir+0x223/0x340 fs/namei.c:4035
[<ffffffff815f9d65>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4060
[<ffffffff815f9ed9>] __do_sys_mkdir fs/namei.c:4080 [inline]
[<ffffffff815f9ed9>] __se_sys_mkdir fs/namei.c:4078 [inline]
[<ffffffff815f9ed9>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4078
[<ffffffff845fee85>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845fee85>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff888115b53900 (size 128):
comm "syz-executor.0", pid 4198, jiffies 4294944352 (age 13.760s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f373>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c4f24e>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c4f24e>] __get_metapage+0x3ae/0xae0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c37cc2>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c396b4>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c396b4>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c3b4df>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c4c1da>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c2e937>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f0df3>] vfs_mkdir+0x223/0x340 fs/namei.c:4035
[<ffffffff815f9d65>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4060
[<ffffffff815f9ed9>] __do_sys_mkdir fs/namei.c:4080 [inline]
[<ffffffff815f9ed9>] __se_sys_mkdir fs/namei.c:4078 [inline]
[<ffffffff815f9ed9>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4078
[<ffffffff845fee85>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845fee85>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak

unreferenced object 0xffff888116622700 (size 128):
comm "syz-executor.0", pid 4739, jiffies 4294944954 (age 7.740s)

hex dump (first 32 bytes):
00 10 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:

[<ffffffff8148f373>] mempool_alloc+0x73/0x230 mm/mempool.c:392
[<ffffffff81c4f24e>] alloc_metapage fs/jfs/jfs_metapage.c:176 [inline]
[<ffffffff81c4f24e>] __get_metapage+0x3ae/0xae0 fs/jfs/jfs_metapage.c:651
[<ffffffff81c37cc2>] diNewExt+0x3f2/0x9d0 fs/jfs/jfs_imap.c:2265
[<ffffffff81c396b4>] diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
[<ffffffff81c396b4>] diAllocAG+0x9a4/0xd50 fs/jfs/jfs_imap.c:1662
[<ffffffff81c3b4df>] diAlloc+0x31f/0x900 fs/jfs/jfs_imap.c:1583
[<ffffffff81c4c1da>] ialloc+0x6a/0x3a0 fs/jfs/jfs_inode.c:56
[<ffffffff81c2e937>] jfs_mkdir+0xf7/0x480 fs/jfs/namei.c:225
[<ffffffff815f0df3>] vfs_mkdir+0x223/0x340 fs/namei.c:4035
[<ffffffff815f9d65>] do_mkdirat+0x1a5/0x1e0 fs/namei.c:4060
[<ffffffff815f9ed9>] __do_sys_mkdir fs/namei.c:4080 [inline]
[<ffffffff815f9ed9>] __se_sys_mkdir fs/namei.c:4078 [inline]
[<ffffffff815f9ed9>] __x64_sys_mkdir+0x69/0x90 fs/namei.c:4078
[<ffffffff845fee85>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845fee85>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd



Tested on:

commit: 60bb8154 Merge tag 'xfs-6.1-for-linus' of git://git.ke..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git --
console output: https://syzkaller.appspot.com/x/log.txt?x=171a96dc880000
kernel config: https://syzkaller.appspot.com/x/.config?x=589d84e4754dd2fa

dashboard link: https://syzkaller.appspot.com/bug?extid=389b82b29093b3e2640a
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

patch: https://syzkaller.appspot.com/x/patch.diff?x=1095fc78880000

[syzbot]

Auto-closing this bug as obsolete.
No recent activity, existing reproducers are no longer triggering the issue.