syzbot |
sign-in | mailing list | source | docs |
| Title | Replies (including bot) | Last reply |
|---|---|---|
| [PATCH v2] net: caif: fix memory leak in ldisc_receive | 5 (5) | 2026/01/19 07:00 |
| [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 0xffff888109d88b00 (size 240):
comm "syz.0.17", pid 6088, jiffies 4294942822
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 20 8e 13 81 88 ff ff 00 00 00 00 00 00 00 00 . ..............
backtrace (crc cd2b8445):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4958 [inline]
slab_alloc_node mm/slub.c:5263 [inline]
kmem_cache_alloc_node_noprof+0x384/0x5a0 mm/slub.c:5315
__alloc_skb+0xe8/0x2b0 net/core/skbuff.c:679
__netdev_alloc_skb+0x72/0x230 net/core/skbuff.c:754
netdev_alloc_skb include/linux/skbuff.h:3484 [inline]
ldisc_receive+0x7d/0x210 drivers/net/caif/caif_serial.c:176
tiocsti drivers/tty/tty_io.c:2290 [inline]
tty_ioctl+0x329/0xd40 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+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff88810a368500 (size 240):
comm "syz.0.18", pid 6193, jiffies 4294942941
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 20 94 13 81 88 ff ff 00 00 00 00 00 00 00 00 . ..............
backtrace (crc 5d1300cb):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4958 [inline]
slab_alloc_node mm/slub.c:5263 [inline]
kmem_cache_alloc_node_noprof+0x384/0x5a0 mm/slub.c:5315
__alloc_skb+0xe8/0x2b0 net/core/skbuff.c:679
__netdev_alloc_skb+0x72/0x230 net/core/skbuff.c:754
netdev_alloc_skb include/linux/skbuff.h:3484 [inline]
ldisc_receive+0x7d/0x210 drivers/net/caif/caif_serial.c:176
tiocsti drivers/tty/tty_io.c:2290 [inline]
tty_ioctl+0x329/0xd40 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+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff88810a9e2c00 (size 704):
comm "syz.0.18", pid 6193, jiffies 4294942941
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 b6200c):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4958 [inline]
slab_alloc_node mm/slub.c:5263 [inline]
kmem_cache_alloc_node_noprof+0x384/0x5a0 mm/slub.c:5315
kmalloc_reserve+0xe6/0x180 net/core/skbuff.c:586
__alloc_skb+0x111/0x2b0 net/core/skbuff.c:690
__netdev_alloc_skb+0x72/0x230 net/core/skbuff.c:754
netdev_alloc_skb include/linux/skbuff.h:3484 [inline]
ldisc_receive+0x7d/0x210 drivers/net/caif/caif_serial.c:176
tiocsti drivers/tty/tty_io.c:2290 [inline]
tty_ioctl+0x329/0xd40 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+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff888109ddda00 (size 240):
comm "syz.0.19", pid 6262, jiffies 4294943059
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 50 8e 13 81 88 ff ff 00 00 00 00 00 00 00 00 .P..............
backtrace (crc 3f6ba7c1):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4958 [inline]
slab_alloc_node mm/slub.c:5263 [inline]
kmem_cache_alloc_node_noprof+0x384/0x5a0 mm/slub.c:5315
__alloc_skb+0xe8/0x2b0 net/core/skbuff.c:679
__netdev_alloc_skb+0x72/0x230 net/core/skbuff.c:754
netdev_alloc_skb include/linux/skbuff.h:3484 [inline]
ldisc_receive+0x7d/0x210 drivers/net/caif/caif_serial.c:176
tiocsti drivers/tty/tty_io.c:2290 [inline]
tty_ioctl+0x329/0xd40 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+0xa4/0xf80 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/01/13 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 |