================================================================================ UBSAN: Undefined behaviour in drivers/usb/usbip/vhci_hcd.c:603:42 shift exponent 1023 is too large for 32-bit type 'int' CPU: 1 PID: 12480 Comm: syz-executor.1 Not tainted 4.19.150-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 vhci_hub_control.cold+0x18a/0x48c drivers/usb/usbip/vhci_hcd.c:603 rh_call_control drivers/usb/core/hcd.c:679 [inline] rh_urb_enqueue drivers/usb/core/hcd.c:838 [inline] usb_hcd_submit_urb+0xb7e/0x20d0 drivers/usb/core/hcd.c:1651 usb_submit_urb+0xba2/0x13b0 drivers/usb/core/urb.c:571 usb_start_wait_urb+0x108/0x2b0 drivers/usb/core/message.c:57 usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 proc_control+0x360/0x6d0 drivers/usb/core/devio.c:1143 usbdev_do_ioctl+0x15fc/0x3580 drivers/usb/core/devio.c:2423 usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2580 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:00007f9d68294c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000001afc0 RCX: 000000000045de59 RDX: 0000000020000000 RSI: 00000000c0185500 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff688494ef R14: 00007f9d682959c0 R15: 000000000118bf2c ================================================================================ overlayfs: unrecognized mount option "upperdIr=./bus" or missing value overlayfs: overlapping lowerdir path overlayfs: unrecognized mount option "upperdIr=./bus" or missing value (syz-executor.3,12500,1):ocfs2_get_sector:1832 ERROR: status = -5 (syz-executor.3,12500,1):ocfs2_sb_probe:782 ERROR: status = -5 (syz-executor.3,12500,1):ocfs2_fill_super:1023 ERROR: superblock probe failed! (syz-executor.3,12500,1):ocfs2_fill_super:1225 ERROR: status = -5 (syz-executor.3,12504,1):ocfs2_get_sector:1832 ERROR: status = -5 (syz-executor.3,12504,1):ocfs2_sb_probe:782 ERROR: status = -5 (syz-executor.3,12504,1):ocfs2_fill_super:1023 ERROR: superblock probe failed! (syz-executor.3,12504,0):ocfs2_fill_super:1225 ERROR: status = -5 audit: type=1400 audit(1602919231.555:62): avc: denied { getopt } for pid=12525 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=socket permissive=1 print_req_error: I/O error, dev loop6, sector 128 Buffer I/O error on dev loop6, logical block 16, lost async page write SELinux: unrecognized netlink message: protocol=0 nlmsg_type=768 sclass=netlink_route_socket pid=12558 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=768 sclass=netlink_route_socket pid=12558 comm=syz-executor.3 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPVS: ftp: loaded support on port[0] = 21 netlink: 'syz-executor.0': attribute type 7 has an invalid length. IPVS: ftp: loaded support on port[0] = 21 sch_tbf: burst 0 is lower than device lo mtu (65550) ! IPVS: ftp: loaded support on port[0] = 21 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. 8021q: adding VLAN 0 to HW filter on device bond1 bond0: Enslaving bond1 as an active interface with an up link netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. Started in network mode Own node identity 7f, cluster identity 4711 32-bit node address hash set to 7f IPVS: ftp: loaded support on port[0] = 21 Started in network mode Own node identity 7f, cluster identity 4711 32-bit node address hash set to 7f IPVS: ftp: loaded support on port[0] = 21 audit: type=1400 audit(1602919236.355:63): avc: denied { setattr } for pid=12786 comm="syz-executor.3" name="DCCPv6" dev="sockfs" ino=44089 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 JFS: discard option not supported on device jfs: Unrecognized mount option "smackfsfloor=/dev/autofs" or missing value ceph: device name is missing path (no : separator in 01777777777777777777777g>@D:!-/üi%rLw5*K|`j0xz4GO'yO$kRGKL#LcZE,e"B ) ceph: device name is missing path (no : separator in 01777777777777777777777g>@D:!-/üi%rLw5*K|`j0xz4GO'yO$kRGKL#LcZE,e"B ) ceph: device name is missing path (no : separator in 01777777777777777777777g>@D:!-/üi%rLw5*K|`j0xz4GO'yO$kRGKL#LcZE,e"B ) Started in network mode Own node identity 7f, cluster identity 4711 32-bit node address hash set to 7f netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. ceph: device name is missing path (no : separator in 01777777777777777777777g>@D:!-/üi%rLw5*K|`j0xz4GO'yO$kRGKL#LcZE,e"B ) netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. device vxlan0 entered promiscuous mode netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. EXT4-fs (loop3): VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck? netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. IPVS: ftp: loaded support on port[0] = 21 ceph: device name is missing path (no : separator in 01777777777777777777777g>@D:!-/üi%rLw5*K|`j0xz4GO'yO$kRGKL#LcZE,e"B ) netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. Left network mode EXT4-fs (loop3): VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck? Left network mode netlink: 68 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 68 bytes leftover after parsing attributes in process `syz-executor.3'. UDF-fs: bad mount option "permit_directio" or missing value UDF-fs: bad mount option "permit_directio" or missing value audit: type=1800 audit(1602919238.705:64): pid=12982 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="sda1" ino=16203 res=0 audit: type=1800 audit(1602919238.765:65): pid=12982 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="sda1" ino=16203 res=0 netlink: 68 bytes leftover after parsing attributes in process `syz-executor.3'. Started in network mode Own node identity 7f, cluster identity 4711 32-bit node address hash set to 7f IPVS: ftp: loaded support on port[0] = 21 batman_adv: Cannot find parent device