================================================================================ UBSAN: Undefined behaviour in drivers/usb/usbip/vhci_hcd.c:603:42 shift exponent 1023 is too large for 32-bit type 'int' CPU: 0 PID: 14069 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:00007f5b92b1fc78 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: 00007ffd08a7b14f R14: 00007f5b92b209c0 R15: 000000000118bf2c ================================================================================ audit: type=1800 audit(1602800052.708:82): pid=14070 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16514 res=0 audit: type=1804 audit(1602800053.008:83): pid=14109 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir142607468/syzkaller.5PwgaI/169/file0" dev="sda1" ino=16514 res=1 audit: type=1804 audit(1602800053.018:84): pid=14104 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir485792402/syzkaller.i5MAZ5/149/file1/file0" dev="loop4" ino=21 res=1 audit: type=1804 audit(1602800053.968:85): pid=14132 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir485792402/syzkaller.i5MAZ5/149/file1/file0" dev="loop4" ino=21 res=1 audit: type=1804 audit(1602800054.208:86): pid=14139 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir350653879/syzkaller.47Rmas/177/file1/file0" dev="loop1" ino=22 res=1 audit: type=1804 audit(1602800054.338:87): pid=14144 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir678640532/syzkaller.eYp36i/165/file1/file0" dev="loop5" ino=23 res=1 audit: type=1804 audit(1602800055.258:88): pid=14150 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir485792402/syzkaller.i5MAZ5/150/file1/file0" dev="loop4" ino=24 res=1 audit: type=1804 audit(1602800055.448:89): pid=14070 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir142607468/syzkaller.5PwgaI/169/file0" dev="sda1" ino=16514 res=1 audit: type=1804 audit(1602800055.768:90): pid=14172 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir350653879/syzkaller.47Rmas/178/file1/file0" dev="loop1" ino=25 res=1 audit: type=1804 audit(1602800055.788:91): pid=14175 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir678640532/syzkaller.eYp36i/166/file1/file0" dev="loop5" ino=26 res=1 kauditd_printk_skb: 5 callbacks suppressed audit: type=1804 audit(1602800057.838:97): pid=14198 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir350653879/syzkaller.47Rmas/179/file1/file0" dev="sda1" ino=16513 res=1 audit: type=1804 audit(1602800057.968:98): pid=14218 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir485792402/syzkaller.i5MAZ5/152/file1/file0" dev="loop4" ino=28 res=1 audit: type=1804 audit(1602800058.588:99): pid=14223 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir678640532/syzkaller.eYp36i/167/file0" dev="sda1" ino=16517 res=1 print_req_error: 158 callbacks suppressed print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 1 print_req_error: I/O error, dev loop4, sector 0 buffer_io_error: 122 callbacks suppressed Buffer I/O error on dev loop4p6, logical block 0, async page read print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4p5, logical block 0, async page read print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4p3, logical block 0, async page read print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4p3, logical block 0, async page read Buffer I/O error on dev loop4p3, logical block 0, async page read Buffer I/O error on dev loop4p3, logical block 0, async page read Buffer I/O error on dev loop4p3, logical block 0, async page read Buffer I/O error on dev loop4p3, logical block 0, async page read Buffer I/O error on dev loop4p4, logical block 0, async page read Buffer I/O error on dev loop4p1, logical block 0, async page read audit: type=1804 audit(1602800060.598:100): pid=14258 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir678640532/syzkaller.eYp36i/168/file1/file0" dev="loop5" ino=29 res=1 netlink: 'syz-executor.4': attribute type 11 has an invalid length. Failed to obtain node identity Enabling of bearer rejected, failed to enable media audit: type=1800 audit(1602800061.408:101): pid=14270 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16511 res=0 audit: type=1800 audit(1602800061.478:102): pid=14267 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.0" name="file0" dev="sda1" ino=16540 res=0 audit: type=1400 audit(1602800061.648:103): avc: denied { ioctl } for pid=14299 comm="syz-executor.4" path="socket:[47135]" dev="sockfs" ino=47135 ioctlcmd=0x89e0 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 audit: type=1804 audit(1602800061.848:104): pid=14309 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir678640532/syzkaller.eYp36i/169/file1/file0" dev="loop5" ino=30 res=1 audit: type=1804 audit(1602800061.878:105): pid=14300 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir350653879/syzkaller.47Rmas/181/file1/file0" dev="sda1" ino=16543 res=1