================================================================================ UBSAN: Undefined behaviour in net/sched/sch_api.c:375:22 shift exponent 255 is too large for 32-bit type 'int' CPU: 0 PID: 22056 Comm: syz-executor.2 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 __detect_linklayer net/sched/sch_api.c:375 [inline] qdisc_get_rtab.cold+0x1d/0x8e net/sched/sch_api.c:421 tbf_change+0x99d/0x1230 net/sched/sch_tbf.c:325 tbf_init+0x91/0xc4 net/sched/sch_tbf.c:433 qdisc_create+0x534/0x1080 net/sched/sch_api.c:1155 tc_modify_qdisc+0x4c0/0x195b net/sched/sch_api.c:1571 rtnetlink_rcv_msg+0x498/0xc10 net/core/rtnetlink.c:4778 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 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:00007f9f9f435c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002e600 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000800 RDI: 0000000000000004 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff1e6e8fcf R14: 00007f9f9f4369c0 R15: 000000000118bf2c ================================================================================ ntfs: (device loop5): is_boot_sector_ntfs(): Invalid end of sector marker. ntfs: (device loop5): map_mft_record_page(): Mft record 0x1 is corrupt. Run chkdsk. ntfs: (device loop5): map_mft_record(): Failed with error code 5. ntfs: (device loop5): ntfs_read_locked_inode(): Failed with error code -5. Marking corrupt inode 0x1 as bad. Run chkdsk. ntfs: (device loop5): load_system_files(): Failed to load $MFTMirr. Mounting read-only. Run ntfsfix and/or chkdsk. ntfs: (device loop5): ntfs_attr_find(): Inode is corrupt. Run chkdsk. ntfs: (device loop5): ntfs_read_locked_attr_inode(): Failed with error code -5 while reading attribute inode (mft_no 0x0, type 0xb0, name_len 0). Marking corrupt inode and base inode 0x0 as bad. Run chkdsk. ntfs: (device loop5): load_system_files(): Failed to load $MFT/$BITMAP attribute. ntfs: (device loop5): ntfs_fill_super(): Failed to load system files. ================================================================================ UBSAN: Undefined behaviour in net/sched/sch_api.c:376:24 shift exponent 255 is too large for 32-bit type 'int' CPU: 0 PID: 22056 Comm: syz-executor.2 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 __detect_linklayer net/sched/sch_api.c:376 [inline] qdisc_get_rtab.cold+0x7f/0x8e net/sched/sch_api.c:421 tbf_change+0x99d/0x1230 net/sched/sch_tbf.c:325 tbf_init+0x91/0xc4 net/sched/sch_tbf.c:433 qdisc_create+0x534/0x1080 net/sched/sch_api.c:1155 tc_modify_qdisc+0x4c0/0x195b net/sched/sch_api.c:1571 rtnetlink_rcv_msg+0x498/0xc10 net/core/rtnetlink.c:4778 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 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:00007f9f9f435c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002e600 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000800 RDI: 0000000000000004 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff1e6e8fcf R14: 00007f9f9f4369c0 R15: 000000000118bf2c ================================================================================ sch_tbf: burst 0 is lower than device lo mtu (65550) ! team0: Device ipvlan1 failed to register rx_handler ntfs: (device loop5): is_boot_sector_ntfs(): Invalid end of sector marker. overlayfs: failed to resolve './bus': -2 overlayfs: failed to resolve './bus': -2 overlayfs: failed to resolve './bus': -2 overlayfs: failed to resolve './file0': -2 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready overlayfs: failed to resolve './bus': -2 EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (60935!=0) EXT4-fs error (device loop2): ext4_fill_super:4448: inode #2: comm syz-executor.2: iget: bad extra_isize 85 (inode size 256) EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (60935!=0) EXT4-fs error (device loop2): ext4_fill_super:4448: inode #2: comm syz-executor.2: iget: bad extra_isize 85 (inode size 256) EXT4-fs (loop2): get root inode failed netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop2): mount failed EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (60935!=0) EXT4-fs error (device loop2): ext4_fill_super:4448: inode #2: comm syz-executor.2: iget: bad extra_isize 85 (inode size 256) EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (60935!=0) EXT4-fs error (device loop2): ext4_fill_super:4448: inode #2: comm syz-executor.2: iget: bad extra_isize 85 (inode size 256) EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. binder: 22610:22611 ioctl 81f8943c 0 returned -22 binder: 22610:22611 ioctl 81f8943c 0 returned -22 binder: 22610:22611 ioctl 81f8943c 0 returned -22 binder: 22610:22614 ioctl 81f8943c 0 returned -22