BUG: memory leak unreferenced object 0xffff88810582a280 (size 64): comm "syz-executor.0", pid 8342, jiffies 4294943710 (age 10.360s) hex dump (first 32 bytes): 01 00 00 00 81 88 ff ff 00 00 00 00 81 88 ff ff ................ 90 a2 82 05 81 88 ff ff 90 a2 82 05 81 88 ff ff ................ backtrace: [<0000000020b821ab>] kmalloc include/linux/slab.h:555 [inline] [<0000000020b821ab>] do_eventfd+0x37/0x150 fs/eventfd.c:417 [<0000000061b1712d>] __do_sys_eventfd fs/eventfd.c:455 [inline] [<0000000061b1712d>] __se_sys_eventfd fs/eventfd.c:453 [inline] [<0000000061b1712d>] __x64_sys_eventfd+0x14/0x20 fs/eventfd.c:453 [<0000000048380485>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000003d05d25c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810582a240 (size 64): comm "syz-executor.0", pid 8342, jiffies 4294943710 (age 10.360s) hex dump (first 32 bytes): e8 59 45 04 00 c9 ff ff e8 59 45 04 00 c9 ff ff .YE......YE..... 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 ... ............ backtrace: [<000000007b048168>] kmalloc include/linux/slab.h:555 [inline] [<000000007b048168>] kzalloc include/linux/slab.h:669 [inline] [<000000007b048168>] kvm_assign_ioeventfd_idx+0x52/0x260 arch/x86/kvm/../../../virt/kvm/eventfd.c:798 [<000000000fe3fb48>] kvm_assign_ioeventfd arch/x86/kvm/../../../virt/kvm/eventfd.c:934 [inline] [<000000000fe3fb48>] kvm_ioeventfd+0xbe/0x197 arch/x86/kvm/../../../virt/kvm/eventfd.c:961 [<00000000cd0316a6>] kvm_vm_ioctl+0x1e6/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3698 [<00000000119ad50b>] vfs_ioctl fs/ioctl.c:48 [inline] [<00000000119ad50b>] ksys_ioctl+0xa6/0xd0 fs/ioctl.c:753 [<00000000e61a5c2b>] __do_sys_ioctl fs/ioctl.c:762 [inline] [<00000000e61a5c2b>] __se_sys_ioctl fs/ioctl.c:760 [inline] [<00000000e61a5c2b>] __x64_sys_ioctl+0x1a/0x20 fs/ioctl.c:760 [<0000000048380485>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000003d05d25c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888105abd600 (size 64): comm "syz-executor.7", pid 8391, jiffies 4294943777 (age 9.690s) hex dump (first 32 bytes): 01 00 00 00 81 88 ff ff 00 00 00 00 81 88 ff ff ................ 10 d6 ab 05 81 88 ff ff 10 d6 ab 05 81 88 ff ff ................ backtrace: [<0000000020b821ab>] kmalloc include/linux/slab.h:555 [inline] [<0000000020b821ab>] do_eventfd+0x37/0x150 fs/eventfd.c:417 [<0000000061b1712d>] __do_sys_eventfd fs/eventfd.c:455 [inline] [<0000000061b1712d>] __se_sys_eventfd fs/eventfd.c:453 [inline] [<0000000061b1712d>] __x64_sys_eventfd+0x14/0x20 fs/eventfd.c:453 [<0000000048380485>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000003d05d25c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888105abd5c0 (size 64): comm "syz-executor.7", pid 8391, jiffies 4294943777 (age 9.690s) hex dump (first 32 bytes): e8 59 4f 04 00 c9 ff ff e8 59 4f 04 00 c9 ff ff .YO......YO..... 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 ... ............ backtrace: [<000000007b048168>] kmalloc include/linux/slab.h:555 [inline] [<000000007b048168>] kzalloc include/linux/slab.h:669 [inline] [<000000007b048168>] kvm_assign_ioeventfd_idx+0x52/0x260 arch/x86/kvm/../../../virt/kvm/eventfd.c:798 [<000000000fe3fb48>] kvm_assign_ioeventfd arch/x86/kvm/../../../virt/kvm/eventfd.c:934 [inline] [<000000000fe3fb48>] kvm_ioeventfd+0xbe/0x197 arch/x86/kvm/../../../virt/kvm/eventfd.c:961 [<00000000cd0316a6>] kvm_vm_ioctl+0x1e6/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3698 [<00000000119ad50b>] vfs_ioctl fs/ioctl.c:48 [inline] [<00000000119ad50b>] ksys_ioctl+0xa6/0xd0 fs/ioctl.c:753 [<00000000e61a5c2b>] __do_sys_ioctl fs/ioctl.c:762 [inline] [<00000000e61a5c2b>] __se_sys_ioctl fs/ioctl.c:760 [inline] [<00000000e61a5c2b>] __x64_sys_ioctl+0x1a/0x20 fs/ioctl.c:760 [<0000000048380485>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000003d05d25c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888105becb40 (size 64): comm "syz-executor.2", pid 8410, jiffies 4294943799 (age 9.470s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 c9 ff ff ................ 50 cb be 05 81 88 ff ff 50 cb be 05 81 88 ff ff P.......P....... backtrace: [<0000000020b821ab>] kmalloc include/linux/slab.h:555 [inline] [<0000000020b821ab>] do_eventfd+0x37/0x150 fs/eventfd.c:417 [<0000000061b1712d>] __do_sys_eventfd fs/eventfd.c:455 [inline] [<0000000061b1712d>] __se_sys_eventfd fs/eventfd.c:453 [inline] [<0000000061b1712d>] __x64_sys_eventfd+0x14/0x20 fs/eventfd.c:453 [<0000000048380485>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000003d05d25c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881059eaa80 (size 64): comm "syz-executor.2", pid 8410, jiffies 4294943799 (age 9.470s) hex dump (first 32 bytes): e8 59 5e 04 00 c9 ff ff e8 59 5e 04 00 c9 ff ff .Y^......Y^..... 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 ... ............ backtrace: [<000000007b048168>] kmalloc include/linux/slab.h:555 [inline] [<000000007b048168>] kzalloc include/linux/slab.h:669 [inline] [<000000007b048168>] kvm_assign_ioeventfd_idx+0x52/0x260 arch/x86/kvm/../../../virt/kvm/eventfd.c:798 [<000000000fe3fb48>] kvm_assign_ioeventfd arch/x86/kvm/../../../virt/kvm/eventfd.c:934 [inline] [<000000000fe3fb48>] kvm_ioeventfd+0xbe/0x197 arch/x86/kvm/../../../virt/kvm/eventfd.c:961 [<00000000cd0316a6>] kvm_vm_ioctl+0x1e6/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3698 [<00000000119ad50b>] vfs_ioctl fs/ioctl.c:48 [inline] [<00000000119ad50b>] ksys_ioctl+0xa6/0xd0 fs/ioctl.c:753 [<00000000e61a5c2b>] __do_sys_ioctl fs/ioctl.c:762 [inline] [<00000000e61a5c2b>] __se_sys_ioctl fs/ioctl.c:760 [inline] [<00000000e61a5c2b>] __x64_sys_ioctl+0x1a/0x20 fs/ioctl.c:760 [<0000000048380485>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000003d05d25c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888105b68a00 (size 64): comm "syz-executor.5", pid 8451, jiffies 4294943820 (age 9.260s) hex dump (first 32 bytes): 01 00 00 00 81 88 ff ff 00 00 00 00 81 88 ff ff ................ 10 8a b6 05 81 88 ff ff 10 8a b6 05 81 88 ff ff ................ backtrace: [<0000000020b821ab>] kmalloc include/linux/slab.h:555 [inline] [<0000000020b821ab>] do_eventfd+0x37/0x150 fs/eventfd.c:417 [<0000000061b1712d>] __do_sys_eventfd fs/eventfd.c:455 [inline] [<0000000061b1712d>] __se_sys_eventfd fs/eventfd.c:453 [inline] [<0000000061b1712d>] __x64_sys_eventfd+0x14/0x20 fs/eventfd.c:453 [<0000000048380485>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000003d05d25c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9