All of
 help / color / mirror / Atom feed
* [syzbot] memory leak in prctl
@ 2022-12-21  4:46 syzbot
  0 siblings, 0 replies; only message in thread
From: syzbot @ 2022-12-21  4:46 UTC (permalink / raw)
  To: akpm, brauner, linux-kernel, linux-mm, syzkaller-bugs


syzbot found the following issue on:

HEAD commit:    77856d911a8c Merge tag 'arm64-fixes' of git://git.kernel.o..
git tree:       upstream
console output:
kernel config:
dashboard link:
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro:
C reproducer:

Downloadable assets:
disk image:
kernel image:

IMPORTANT: if you fix the issue, please add the following tag to the commit:

Warning: Permanently added '' (ECDSA) to the list of known hosts.
executing program
BUG: memory leak
unreferenced object 0xffff88810c4c57a0 (size 32):
  comm "syz-executor948", pid 5064, jiffies 4294946184 (age 7.250s)
  hex dump (first 32 bytes):
    01 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  ................
    [<ffffffff814f8d16>] __do_kmalloc_node mm/slab_common.c:967 [inline]
    [<ffffffff814f8d16>] __kmalloc+0x46/0x120 mm/slab_common.c:981
    [<ffffffff81564fb7>] kmalloc include/linux/slab.h:584 [inline]
    [<ffffffff81564fb7>] anon_vma_name_alloc+0x27/0x60 mm/madvise.c:78
    [<ffffffff8128d4df>] prctl_set_vma kernel/sys.c:2324 [inline]
    [<ffffffff8128d4df>] __do_sys_prctl+0xaff/0xba0 kernel/sys.c:2627
    [<ffffffff848a05d5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff848a05d5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

This report is generated by a bot. It may contain errors.
See for more information about syzbot.
syzbot engineers can be reached at

syzbot will keep track of this issue. See: for how to communicate with syzbot.
syzbot can test patches for this issue, for details see:

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2022-12-21  4:46 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-12-21  4:46 [syzbot] memory leak in prctl syzbot

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.