================================================================================ UBSAN: Undefined behaviour in arch/x86/kvm/pmu_intel.c:299:45 shift exponent 72 is too large for 64-bit type 'long long unsigned int' CPU: 0 PID: 10032 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 intel_pmu_refresh.cold+0x9b/0xa0 arch/x86/kvm/pmu_intel.c:299 kvm_update_cpuid+0x6d9/0xaf0 arch/x86/kvm/cpuid.c:147 kvm_vcpu_ioctl_set_cpuid2+0x151/0x1c0 arch/x86/kvm/cpuid.c:255 kvm_arch_vcpu_ioctl+0xfc0/0x2e10 arch/x86/kvm/x86.c:3931 kvm_vcpu_ioctl+0x8af/0xe30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2975 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f779f3e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000011f40 RCX: 000000000045de59 RDX: 0000000020000400 RSI: 000000004008ae90 RDI: 0000000000000005 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd9fca457f R14: 00007f779f3e49c0 R15: 000000000118bf2c ================================================================================ netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. IPVS: ftp: loaded support on port[0] = 21 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'. squashfs: SQUASHFS error: unable to read xattr id index table netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'. ================================================================================ UBSAN: Undefined behaviour in arch/x86/kvm/pmu_intel.c:301:13 shift exponent 224 is too large for 64-bit type 'long long unsigned int' CPU: 0 PID: 10032 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 intel_pmu_refresh.cold+0x75/0xa0 arch/x86/kvm/pmu_intel.c:301 kvm_update_cpuid+0x6d9/0xaf0 arch/x86/kvm/cpuid.c:147 kvm_vcpu_ioctl_set_cpuid2+0x151/0x1c0 arch/x86/kvm/cpuid.c:255 kvm_arch_vcpu_ioctl+0xfc0/0x2e10 arch/x86/kvm/x86.c:3931 kvm_vcpu_ioctl+0x8af/0xe30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2975 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f779f3e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000011f40 RCX: 000000000045de59 RDX: 0000000020000400 RSI: 000000004008ae90 RDI: 0000000000000005 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd9fca457f R14: 00007f779f3e49c0 R15: 000000000118bf2c ================================================================================ ================================================================================ UBSAN: Undefined behaviour in arch/x86/kvm/pmu_intel.c:310:12 shift exponent 135 is too large for 64-bit type 'long long unsigned int' CPU: 1 PID: 10032 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 intel_pmu_refresh.cold+0x56/0xa0 arch/x86/kvm/pmu_intel.c:310 kvm_update_cpuid+0x6d9/0xaf0 arch/x86/kvm/cpuid.c:147 kvm_vcpu_ioctl_set_cpuid2+0x151/0x1c0 arch/x86/kvm/cpuid.c:255 kvm_arch_vcpu_ioctl+0xfc0/0x2e10 arch/x86/kvm/x86.c:3931 kvm_vcpu_ioctl+0x8af/0xe30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2975 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f779f3e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000011f40 RCX: 000000000045de59 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. RDX: 0000000020000400 RSI: 000000004008ae90 RDI: 0000000000000005 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd9fca457f R14: 00007f779f3e49c0 R15: 000000000118bf2c ================================================================================ macvtap0: refused to change device tx_queue_len netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'. IPVS: ftp: loaded support on port[0] = 21 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=10159 comm=syz-executor.5 EXT4-fs (loop1): VFS: Can't find ext4 filesystem netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. IPVS: ftp: loaded support on port[0] = 21 EXT4-fs (loop1): VFS: Can't find ext4 filesystem SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=10159 comm=syz-executor.5 IPVS: ftp: loaded support on port[0] = 21 macvtap0: refused to change device tx_queue_len IPVS: ftp: loaded support on port[0] = 21 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=10219 comm=syz-executor.3 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop1 BTRFS info (device loop1): disk space caching is enabled macvtap0: refused to change device tx_queue_len BTRFS info (device loop1): has skinny extents BTRFS warning (device loop1): loop1 checksum verify failed on 5242880 wanted 42BCE6B8 found E0A3F757 level 0 BTRFS warning (device loop1): failed to read tree root BTRFS error (device loop1): open_ctree failed device lo entered promiscuous mode BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS warning (device loop1): loop1 checksum verify failed on 5242880 wanted 42BCE6B8 found E0A3F757 level 0 BTRFS warning (device loop1): failed to read tree root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS warning (device loop1): loop1 checksum verify failed on 5242880 wanted 42BCE6B8 found E0A3F757 level 0 BTRFS warning (device loop1): failed to read tree root BTRFS error (device loop1): open_ctree failed device lo entered promiscuous mode device lo entered promiscuous mode overlayfs: missing 'workdir' gfs2: not a GFS2 filesystem gfs2: not a GFS2 filesystem