================================================================================ UBSAN: Undefined behaviour in drivers/usb/gadget/udc/dummy_hcd.c:2302:33 shift exponent 16403 is too large for 32-bit type 'int' CPU: 1 PID: 15015 Comm: syz-executor.2 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 Cannot find add_set index 0 as target dummy_hub_control.cold+0x1a/0xbf drivers/usb/gadget/udc/dummy_hcd.c:2302 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 audit: type=1804 audit(1602521873.173:48): pid=14994 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-testdir011526598/syzkaller.axmOb8/200/cgroup.controllers" dev="sda1" ino=16459 res=1 RSP: 002b:00007f69a6d09c78 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: 00007ffc4494b60f R14: 00007f69a6d0a9c0 R15: 000000000118bf2c ================================================================================ NFS: bad mount option value specified: vxcan1 audit: type=1804 audit(1602521873.633:49): pid=15032 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-testdir011526598/syzkaller.axmOb8/201/cgroup.controllers" dev="sda1" ino=16476 res=1 ion_buffer_destroy: buffer still mapped in the kernel audit: type=1804 audit(1602521873.823:50): pid=15043 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-testdir872122996/syzkaller.oaGr8V/169/cgroup.controllers" dev="sda1" ino=16469 res=1 audit: type=1804 audit(1602521873.973:51): pid=15032 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-testdir011526598/syzkaller.axmOb8/201/memory.events" dev="sda1" ino=16470 res=1 audit: type=1804 audit(1602521874.183:52): pid=15043 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-testdir872122996/syzkaller.oaGr8V/169/memory.events" dev="sda1" ino=16481 res=1 syz-executor.1 (15083) used greatest stack depth: 23248 bytes left audit: type=1804 audit(1602521874.653:53): pid=15090 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-testdir011526598/syzkaller.axmOb8/202/cgroup.controllers" dev="sda1" ino=16479 res=1 audit: type=1804 audit(1602521874.833:54): pid=15101 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-testdir872122996/syzkaller.oaGr8V/170/cgroup.controllers" dev="sda1" ino=16459 res=1 IPv6: Can't replace route, no match found audit: type=1804 audit(1602521875.153:55): pid=15101 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-testdir872122996/syzkaller.oaGr8V/170/memory.events" dev="sda1" ino=16481 res=1 audit: type=1804 audit(1602521875.723:56): pid=15128 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-testdir011526598/syzkaller.axmOb8/203/cgroup.controllers" dev="sda1" ino=15741 res=1 dlm: no local IP address has been set dlm: cannot start dlm lowcomms -107 overlayfs: unrecognized mount option "fowner>00000000000000000000" or missing value overlayfs: unrecognized mount option "fowner>00000000000000000000" or missing value 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. (unnamed net_device) (uninitialized): option xmit_hash_policy: invalid value (7)