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| Title | Replies (including bot) | Last reply |
|---|---|---|
| [PATCH v2] net: caif: fix memory leak in ldisc_receive | 6 (6) | 2026/01/24 19:10 |
| [PATCH] net: caif: fix memory leak in ldisc_receive | 3 (3) | 2026/01/18 17:35 |
| [syzbot] [net?] [input?] [usb?] memory leak in ldisc_receive | 0 (1) | 2026/01/17 17:34 |
BUG: memory leak
unreferenced object 0xffff88810acab700 (size 240):
comm "syz.0.17", pid 6116, jiffies 4294943616
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 60 51 0a 81 88 ff ff 00 00 00 00 00 00 00 00 .`Q.............
backtrace (crc 61c6ec4b):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4520 [inline]
slab_alloc_node mm/slub.c:4844 [inline]
kmem_cache_alloc_node_noprof+0x373/0x4d0 mm/slub.c:4896
__alloc_skb+0xdc/0x470 net/core/skbuff.c:702
__netdev_alloc_skb+0x6e/0x260 net/core/skbuff.c:775
netdev_alloc_skb include/linux/skbuff.h:3485 [inline]
ldisc_receive+0x7a/0x1e0 drivers/net/caif/caif_serial.c:176
tiocsti drivers/tty/tty_io.c:2290 [inline]
tty_ioctl+0x57a/0xda0 drivers/tty/tty_io.c:2706
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff8881097ff9c0 (size 704):
comm "syz.0.17", pid 6116, jiffies 4294943616
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 7d4f196):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4520 [inline]
slab_alloc_node mm/slub.c:4844 [inline]
kmem_cache_alloc_node_noprof+0x373/0x4d0 mm/slub.c:4896
kmalloc_reserve+0xd2/0x1b0 net/core/skbuff.c:613
__alloc_skb+0x15d/0x470 net/core/skbuff.c:713
__netdev_alloc_skb+0x6e/0x260 net/core/skbuff.c:775
netdev_alloc_skb include/linux/skbuff.h:3485 [inline]
ldisc_receive+0x7a/0x1e0 drivers/net/caif/caif_serial.c:176
tiocsti drivers/tty/tty_io.c:2290 [inline]
tty_ioctl+0x57a/0xda0 drivers/tty/tty_io.c:2706
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff88810acab200 (size 240):
comm "syz.5.34", pid 6364, jiffies 4294944702
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 90 9e 2a 81 88 ff ff 00 00 00 00 00 00 00 00 ...*............
backtrace (crc 9b48f2fe):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4520 [inline]
slab_alloc_node mm/slub.c:4844 [inline]
kmem_cache_alloc_node_noprof+0x373/0x4d0 mm/slub.c:4896
__alloc_skb+0xdc/0x470 net/core/skbuff.c:702
__netdev_alloc_skb+0x6e/0x260 net/core/skbuff.c:775
netdev_alloc_skb include/linux/skbuff.h:3485 [inline]
ldisc_receive+0x7a/0x1e0 drivers/net/caif/caif_serial.c:176
tiocsti drivers/tty/tty_io.c:2290 [inline]
tty_ioctl+0x57a/0xda0 drivers/tty/tty_io.c:2706
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff88810be01b80 (size 704):
comm "syz.5.34", pid 6364, jiffies 4294944702
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 54ce43f):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4520 [inline]
slab_alloc_node mm/slub.c:4844 [inline]
kmem_cache_alloc_node_noprof+0x373/0x4d0 mm/slub.c:4896
kmalloc_reserve+0xd2/0x1b0 net/core/skbuff.c:613
__alloc_skb+0x15d/0x470 net/core/skbuff.c:713
__netdev_alloc_skb+0x6e/0x260 net/core/skbuff.c:775
netdev_alloc_skb include/linux/skbuff.h:3485 [inline]
ldisc_receive+0x7a/0x1e0 drivers/net/caif/caif_serial.c:176
tiocsti drivers/tty/tty_io.c:2290 [inline]
tty_ioctl+0x57a/0xda0 drivers/tty/tty_io.c:2706
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/03/03 10:31 | upstream | af4e9ef3d784 | 28b83e23 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-leak | memory leak in ldisc_receive | |
| 2026/01/13 17:23 | upstream | b71e635feefc | d6526ea3 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-leak | memory leak in ldisc_receive |