| Title | Replies (including bot) | Last reply |
|---|---|---|
| memory leak in pty_common_install | 2 (4) | 2022/06/30 06:09 |
| Re: memory leak in pty_common_install | 1 (1) | 2019/08/05 09:11 |
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| Title | Replies (including bot) | Last reply |
|---|---|---|
| memory leak in pty_common_install | 2 (4) | 2022/06/30 06:09 |
| Re: memory leak in pty_common_install | 1 (1) | 2019/08/05 09:11 |
Warning: Permanently added '10.128.1.122' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
BUG: memory leak
unreferenced object 0xffff88810222e600 (size 512):
comm "syz-executor149", pid 3615, jiffies 4294954919 (age 12.620s)
hex dump (first 32 bytes):
50 e6 22 02 81 88 ff ff e0 ff ff ff 0f 00 00 00 P.".............
10 e6 22 02 81 88 ff ff 10 e6 22 02 81 88 ff ff ..".......".....
backtrace:
[<ffffffff8262ce09>] kmalloc include/linux/slab.h:600 [inline]
[<ffffffff8262ce09>] pty_common_install+0x59/0x3d0 drivers/tty/pty.c:381
[<ffffffff8261decb>] tty_driver_install_tty drivers/tty/tty_io.c:1307 [inline]
[<ffffffff8261decb>] tty_init_dev.part.0+0x5b/0x2f0 drivers/tty/tty_io.c:1419
[<ffffffff8261e1a0>] tty_init_dev+0x40/0x60 drivers/tty/tty_io.c:1409
[<ffffffff8262cc29>] ptmx_open drivers/tty/pty.c:834 [inline]
[<ffffffff8262cc29>] ptmx_open+0xd9/0x210 drivers/tty/pty.c:800
[<ffffffff815dd68d>] chrdev_open+0x10d/0x340 fs/char_dev.c:414
[<ffffffff815cbf96>] do_dentry_open+0x1e6/0x660 fs/open.c:848
[<ffffffff815f26c1>] do_open fs/namei.c:3520 [inline]
[<ffffffff815f26c1>] path_openat+0x18a1/0x1e70 fs/namei.c:3653
[<ffffffff815f5391>] do_filp_open+0xc1/0x1b0 fs/namei.c:3680
[<ffffffff815cf88d>] do_sys_openat2+0xed/0x260 fs/open.c:1278
[<ffffffff815d02df>] do_sys_open fs/open.c:1294 [inline]
[<ffffffff815d02df>] __do_sys_openat fs/open.c:1310 [inline]
[<ffffffff815d02df>] __se_sys_openat fs/open.c:1305 [inline]
[<ffffffff815d02df>] __x64_sys_openat+0x7f/0xe0 fs/open.c:1305
[<ffffffff845ac915>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845ac915>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff8460006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
BUG: memory leak
unreferenced object 0xffff88810213d400 (size 1024):
comm "syz-executor149", pid 3615, jiffies 4294954919 (age 12.620s)
hex dump (first 32 bytes):
01 54 00 00 01 00 00 00 00 00 00 00 00 00 00 00 .T..............
40 be ca 41 81 88 ff ff 60 65 c5 84 ff ff ff ff @..A....`e......
backtrace:
[<ffffffff8261dbbc>] kmalloc include/linux/slab.h:600 [inline]
[<ffffffff8261dbbc>] kzalloc include/linux/slab.h:733 [inline]
[<ffffffff8261dbbc>] alloc_tty_struct+0x3c/0x2f0 drivers/tty/tty_io.c:3091
[<ffffffff8262ce72>] pty_common_install+0xc2/0x3d0 drivers/tty/pty.c:389
[<ffffffff8261decb>] tty_driver_install_tty drivers/tty/tty_io.c:1307 [inline]
[<ffffffff8261decb>] tty_init_dev.part.0+0x5b/0x2f0 drivers/tty/tty_io.c:1419
[<ffffffff8261e1a0>] tty_init_dev+0x40/0x60 drivers/tty/tty_io.c:1409
[<ffffffff8262cc29>] ptmx_open drivers/tty/pty.c:834 [inline]
[<ffffffff8262cc29>] ptmx_open+0xd9/0x210 drivers/tty/pty.c:800
[<ffffffff815dd68d>] chrdev_open+0x10d/0x340 fs/char_dev.c:414
[<ffffffff815cbf96>] do_dentry_open+0x1e6/0x660 fs/open.c:848
[<ffffffff815f26c1>] do_open fs/namei.c:3520 [inline]
[<ffffffff815f26c1>] path_openat+0x18a1/0x1e70 fs/namei.c:3653
[<ffffffff815f5391>] do_filp_open+0xc1/0x1b0 fs/namei.c:3680
[<ffffffff815cf88d>] do_sys_openat2+0xed/0x260 fs/open.c:1278
[<ffffffff815d02df>] do_sys_open fs/open.c:1294 [inline]
[<ffffffff815d02df>] __do_sys_openat fs/open.c:1310 [inline]
[<ffffffff815d02df>] __se_sys_openat fs/open.c:1305 [inline]
[<ffffffff815d02df>] __x64_sys_openat+0x7f/0xe0 fs/open.c:1305
[<ffffffff845ac915>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845ac915>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff8460006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022/06/30 06:08 | upstream | d9b2ba67917c | 1434eec0 | .config | console log | report | syz | C | ci-upstream-gce-leak | memory leak in pty_common_install | ||
| 2019/07/26 13:52 | upstream | 6789f873ed37 | 3e5d1beb | .config | console log | report | syz | ci-upstream-gce-leak |