executing program executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff888101c57600 (size 240): comm "softirq", pid 0, jiffies 4294943965 (age 63.560s) hex dump (first 32 bytes): a0 1c 2e 06 81 88 ff ff a0 1c 2e 06 81 88 ff ff ................ 00 00 2a 10 81 88 ff ff 00 00 00 00 00 00 00 00 ..*............. backtrace: [] napi_skb_cache_get+0x6b/0x90 net/core/skbuff.c:179 [] __alloc_skb+0x96/0x270 net/core/skbuff.c:416 [] __napi_alloc_skb+0x6c/0x170 net/core/skbuff.c:571 [] napi_alloc_skb include/linux/skbuff.h:3186 [inline] [] page_to_skb+0x11f/0x700 drivers/net/virtio_net.c:496 [] receive_mergeable drivers/net/virtio_net.c:1119 [inline] [] receive_buf+0x6ae/0x2d90 drivers/net/virtio_net.c:1258 [] virtnet_receive drivers/net/virtio_net.c:1553 [inline] [] virtnet_poll+0x24e/0x6f0 drivers/net/virtio_net.c:1671 [] __napi_poll+0x3d/0x290 net/core/dev.c:6511 [] napi_poll net/core/dev.c:6578 [inline] [] net_rx_action+0x3ac/0x490 net/core/dev.c:6689 [] __do_softirq+0xea/0x2ef kernel/softirq.c:571 [] invoke_softirq kernel/softirq.c:445 [inline] [] __irq_exit_rcu+0xc6/0x110 kernel/softirq.c:650 [] common_interrupt+0xb8/0xd0 arch/x86/kernel/irq.c:240 [] asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:640 [] native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] [] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] [] acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] [] acpi_idle_do_entry+0xc0/0xd0 drivers/acpi/processor_idle.c:555 [] acpi_idle_enter+0x150/0x230 drivers/acpi/processor_idle.c:692 [] cpuidle_enter_state+0xc4/0x740 drivers/cpuidle/cpuidle.c:239 [] cpuidle_enter+0x29/0x40 drivers/cpuidle/cpuidle.c:356 BUG: memory leak unreferenced object 0xffff88810e75d400 (size 240): comm "softirq", pid 0, jiffies 4294943965 (age 63.560s) hex dump (first 32 bytes): a0 cc 9e 05 81 88 ff ff a0 cc 9e 05 81 88 ff ff ................ 00 80 a2 01 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [] napi_skb_cache_get+0x6b/0x90 net/core/skbuff.c:179 [] __alloc_skb+0x96/0x270 net/core/skbuff.c:416 [] __napi_alloc_skb+0x6c/0x170 net/core/skbuff.c:571 [] napi_alloc_skb include/linux/skbuff.h:3186 [inline] [] page_to_skb+0x11f/0x700 drivers/net/virtio_net.c:496 [] receive_mergeable drivers/net/virtio_net.c:1119 [inline] [] receive_buf+0x6ae/0x2d90 drivers/net/virtio_net.c:1258 [] virtnet_receive drivers/net/virtio_net.c:1553 [inline] [] virtnet_poll+0x24e/0x6f0 drivers/net/virtio_net.c:1671 [] __napi_poll+0x3d/0x290 net/core/dev.c:6511 [] napi_poll net/core/dev.c:6578 [inline] [] net_rx_action+0x3ac/0x490 net/core/dev.c:6689 [] __do_softirq+0xea/0x2ef kernel/softirq.c:571 [] invoke_softirq kernel/softirq.c:445 [inline] [] __irq_exit_rcu+0xc6/0x110 kernel/softirq.c:650 [] common_interrupt+0xb8/0xd0 arch/x86/kernel/irq.c:240 [] asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:640 [] native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] [] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] [] acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] [] acpi_idle_do_entry+0xc0/0xd0 drivers/acpi/processor_idle.c:555 [] acpi_idle_enter+0x150/0x230 drivers/acpi/processor_idle.c:692 [] cpuidle_enter_state+0xc4/0x740 drivers/cpuidle/cpuidle.c:239 [] cpuidle_enter+0x29/0x40 drivers/cpuidle/cpuidle.c:356 BUG: memory leak unreferenced object 0xffff88810d5ad800 (size 1024): comm "syz-executor288", pid 3613, jiffies 4294945241 (age 50.800s) 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: [] kmalloc_reserve net/core/skbuff.c:358 [inline] [] __alloc_skb+0xdd/0x270 net/core/skbuff.c:430 [] __napi_alloc_skb+0x6c/0x170 net/core/skbuff.c:571 [] napi_alloc_skb include/linux/skbuff.h:3186 [inline] [] napi_get_frags net/core/gro.c:678 [inline] [] napi_get_frags+0x3c/0x80 net/core/gro.c:673 [] tun_napi_alloc_frags drivers/net/tun.c:1466 [inline] [] tun_get_user+0xb53/0x1df0 drivers/net/tun.c:1826 [] tun_chr_write_iter+0x6d/0x110 drivers/net/tun.c:2025 [] call_write_iter include/linux/fs.h:2187 [inline] [] new_sync_write fs/read_write.c:491 [inline] [] vfs_write+0x42d/0x540 fs/read_write.c:578 [] ksys_write+0x9d/0x160 fs/read_write.c:631 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810628b800 (size 1024): comm "syz-executor288", pid 3629, jiffies 4294947411 (age 29.100s) 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: [] kmalloc_reserve net/core/skbuff.c:358 [inline] [] __alloc_skb+0xdd/0x270 net/core/skbuff.c:430 [] __napi_alloc_skb+0x6c/0x170 net/core/skbuff.c:571 [] napi_alloc_skb include/linux/skbuff.h:3186 [inline] [] napi_get_frags net/core/gro.c:678 [inline] [] napi_get_frags+0x3c/0x80 net/core/gro.c:673 [] tun_napi_alloc_frags drivers/net/tun.c:1466 [inline] [] tun_get_user+0xb53/0x1df0 drivers/net/tun.c:1826 [] tun_chr_write_iter+0x6d/0x110 drivers/net/tun.c:2025 [] call_write_iter include/linux/fs.h:2187 [inline] [] new_sync_write fs/read_write.c:491 [inline] [] vfs_write+0x42d/0x540 fs/read_write.c:578 [] ksys_write+0x9d/0x160 fs/read_write.c:631 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd