audit: type=1800 audit(1602495712.666:11): pid=8390 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.5" name="bus" dev="sda1" ino=15793 res=0 ================================================================================ 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: 8403 Comm: syz-executor.5 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 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 RSP: 002b:00007f3150d55c78 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: 00007fff81102e7f R14: 00007f3150d569c0 R15: 000000000118bf2c ================================================================================ audit: type=1800 audit(1602495712.896:12): pid=8404 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="bus" dev="sda1" ino=15806 res=0 audit: type=1400 audit(1602495713.296:13): avc: denied { name_bind } for pid=8416 comm="syz-executor.1" src=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 audit: type=1400 audit(1602495713.296:14): avc: denied { node_bind } for pid=8416 comm="syz-executor.1" src=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. BTRFS: device fsid 9cf2a51c-788c-42a8-8d86-9e1c9e1e79ad devid 1 transid 7 /dev/loop4 audit: type=1400 audit(1602495713.306:15): avc: denied { name_connect } for pid=8416 comm="syz-executor.1" dest=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 audit: type=1800 audit(1602495713.676:16): pid=8431 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="bus" dev="sda1" ino=15806 res=0 BTRFS error (device loop4): unsupported checksum algorithm 2 BTRFS error (device loop4): superblock checksum mismatch BTRFS error (device loop4): open_ctree failed ================================================================================ UBSAN: Undefined behaviour in net/sunrpc/xprt.c:568:22 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. shift exponent 65537 is too large for 64-bit type 'long unsigned int' CPU: 1 PID: 8453 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 xprt_reset_majortimeo+0x2f8/0x3b0 net/sunrpc/xprt.c:568 xprt_request_init net/sunrpc/xprt.c:1290 [inline] xprt_do_reserve+0x438/0x530 net/sunrpc/xprt.c:1300 xprt_reserve+0x129/0x1f0 net/sunrpc/xprt.c:1322 __rpc_execute+0x1f7/0xb80 net/sunrpc/sched.c:783 rpc_execute+0x242/0x370 net/sunrpc/sched.c:851 rpc_run_task+0x4e3/0x6a0 net/sunrpc/clnt.c:1064 rpc_call_sync+0xb8/0x190 net/sunrpc/clnt.c:1093 IPVS: ftp: loaded support on port[0] = 21 rpc_ping+0xb5/0x110 net/sunrpc/clnt.c:2527 rpc_create_xprt+0x313/0x3c0 net/sunrpc/clnt.c:479 rpc_create+0x31e/0x540 net/sunrpc/clnt.c:587 nfs_create_rpc_client+0x36f/0x440 fs/nfs/client.c:529 nfs_init_client fs/nfs/client.c:640 [inline] nfs_init_client+0x6d/0x100 fs/nfs/client.c:627 nfs_get_client+0xf9f/0x13e0 fs/nfs/client.c:431 nfs_init_server+0x249/0xe10 fs/nfs/client.c:676 nfs_create_server+0x7a/0x4f0 fs/nfs/client.c:960 nfs_try_mount+0x172/0x940 fs/nfs/super.c:1884 nfs_fs_mount+0x171f/0x2e8e fs/nfs/super.c:2701 mount_fs+0xa3/0x318 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x51c/0x2f10 fs/namespace.c:2799 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 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:00007fdf0b266c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000021740 RCX: 000000000045de59 RDX: 0000000020fb5ffc RSI: 0000000020000140 RDI: 0000000000000000 RBP: 000000000118bf70 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd6d51aa6f R14: 00007fdf0b2679c0 R15: 000000000118bf2c ================================================================================ EXT4-fs (loop4): Unrecognized mount option "‡åÊE€T¿+»õ—›¿‡:&4%Ÿ&ÜñåóŒOBØ 7ítGñõ©0Ý" or missing value IPVS: ftp: loaded support on port[0] = 21 EXT4-fs (loop4): Unrecognized mount option "commit=0x000000-ã00000000" or missing value UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) netlink: 20 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. audit: type=1804 audit(1602495716.246:17): pid=8615 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir567280981/syzkaller.gP2z6j/11/cgroup.controllers" dev="sda1" ino=15825 res=1 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 'syz-executor.5': attribute type 5 has an invalid length. IPVS: ftp: loaded support on port[0] = 21 BTRFS: device fsid 3b7b29a3-d79d-449e-8760-f5c6064562ef devid 1 transid 5 /dev/loop1 IPVS: ftp: loaded support on port[0] = 21 BTRFS info (device loop1): unrecognized mount option 'noinïde_ca­•Ú=hÔ ' BTRFS error (device loop1): open_ctree failed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. BTRFS info (device loop1): unrecognized mount option 'noinïde_ca­•Ú=hÔ ' BTRFS error (device loop1): open_ctree failed IPv6: ADDRCONF(NETDEV_UP): veth5: link is not ready netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): veth6: link is not ready syz-executor.5 (8745) used greatest stack depth: 23032 bytes left netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. IPVS: ftp: loaded support on port[0] = 21 mmap: syz-executor.5 (8892) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst. MTD: Attempt to mount non-MTD device "/dev/loop1" cramfs: wrong magic vxfs: WRONG superblock magic 00000000 at 1 vxfs: WRONG superblock magic 00000000 at 8 vxfs: can't find superblock. IPVS: ftp: loaded support on port[0] = 21