netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. ================================================================================ UBSAN: Undefined behaviour in net/sunrpc/xprt.c:568:22 shift exponent 78 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 29834 Comm: syz-executor.5 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 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 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:00007f773c315c78 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: 00007fff7cb4665f R14: 00007f773c3169c0 R15: 000000000118bf2c ================================================================================ FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000007c00b895 [p=000000001d244d23 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000de574186 n=00000000b5285cbb FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000003abcec71 [p=000000001d244d23 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000de574186 n=00000000949baaa8 FS-Cache: N-key=[16] '0200000000000000020000807f000008' selinux_nlmsg_perm: 3 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=29930 comm=syz-executor.0 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000df208912 [p=000000001d244d23 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000de574186 n=00000000916a4ba7 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000b40a9be7 [p=000000001d244d23 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000de574186 n=00000000516f76d1 FS-Cache: N-key=[16] '0200000000000000020000807f000008' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=29933 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=29951 comm=syz-executor.0 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000051d1fb5 [p=000000001d244d23 fl=222 nc=0 na=1] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=29971 comm=syz-executor.0 FS-Cache: O-cookie d=00000000de574186 n=00000000ec2ea4c9 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000f619e186 [p=000000001d244d23 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000de574186 n=000000008bf91c8c FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000051d1fb5 [p=000000001d244d23 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000de574186 n=00000000ec2ea4c9 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000003e948509 [p=000000001d244d23 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000de574186 n=00000000e8c02a74 FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. vivid-001: kernel_thread() failed FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000372a4a47 [p=000000001d244d23 fl=222 nc=0 na=1] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. FS-Cache: O-cookie d=00000000de574186 n=00000000cb7d2153 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000001fedef6c [p=000000001d244d23 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000de574186 n=000000005389664a SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30029 comm=syz-executor.0 FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30109 comm=syz-executor.0 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30152 comm=syz-executor.5 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30177 comm=syz-executor.0 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30189 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30228 comm=syz-executor.0 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. selinux_nlmsg_perm: 5 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30381 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30401 comm=syz-executor.5 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000001b7a6b25 [p=000000001d244d23 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000008aa7c6f2 [p=000000001d244d23 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000de574186 n=00000000c6e3303f FS-Cache: N-key=[16] '0200000000000000020000807f000008' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30413 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30432 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30441 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30463 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30470 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30493 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30495 comm=syz-executor.0 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000000bcbf135 [p=000000001d244d23 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000de574186 n=00000000cb2e7af8 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000002610163c [p=000000001d244d23 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000de574186 n=00000000047940ae FS-Cache: N-key=[16] '0200000000000000020000807f000008' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=261 sclass=netlink_route_socket pid=30503 comm=syz-executor.5 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000008378672b [p=000000001d244d23 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000de574186 n=00000000912d46ee FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000bc3964e1 [p=000000001d244d23 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000de574186 n=0000000071d821d9 FS-Cache: N-key=[16] '0200000000000000020000807f000008' vivid-003: kernel_thread() failed