REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "euid<00000000000000000000" netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. ================================================================================ UBSAN: Undefined behaviour in net/sunrpc/xprt.c:568:22 shift exponent 4096 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 21425 Comm: syz-executor.2 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 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. 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 FS-Cache: Duplicate cookie detected nfs_init_server+0x249/0xe10 fs/nfs/client.c:676 FS-Cache: O-cookie c=0000000041577301 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000ac6a02c7 FS-Cache: O-key=[16] '0200000000000000020000807f000008' 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:00007fcaf0467c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000021740 RCX: 000000000045de59 RDX: 0000000020fb5ffc RSI: 0000000020000140 RDI: 0000000000000000 RBP: 000000000118c018 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4 R13: 00007ffef5a01edf R14: 00007fcaf04689c0 R15: 000000000118bfd4 ================================================================================ netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. FS-Cache: N-cookie c=00000000c5afc26f [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=000000009a794ad4 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000db39eb79 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000d2010df7 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000abee0097 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000b0b6c612 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000db39eb79 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000d2010df7 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000191951e5 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000a7511792 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000036923e00 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=000000000a07549b FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=0000000095bbb93d [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000b3e3ec6c FS-Cache: N-key=[16] '0200000000000000020000807f000008' audit: type=1400 audit(1603134810.648:47): avc: denied { ioctl } for pid=21601 comm="syz-executor.2" path="socket:[68304]" dev="sockfs" ino=68304 ioctlcmd=0x9432 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000008f506159 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000d7c188ba FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000e5c0b37d [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=000000008386f663 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000a9027e17 [p=0000000057a29236 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=00000000382a1495 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000ddd77f33 FS-Cache: N-key=[16] '0200000000000000020000807f000008' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=24081 sclass=netlink_route_socket pid=21676 comm=syz-executor.1 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000001cf661b3 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000debdd50c FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=0000000086a10551 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000d216bfdc FS-Cache: N-key=[16] '0200000000000000020000807f000008' nla_parse: 39 callbacks suppressed netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000bbdfaf62 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000594a46e4 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000008088bc29 [p=0000000057a29236 fl=2 nc=0 na=1] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. FS-Cache: N-cookie d=00000000d8b87294 n=00000000f6cca3e6 FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=103 sclass=netlink_route_socket pid=21820 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=103 sclass=netlink_route_socket pid=21836 comm=syz-executor.0 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000062e77ff [p=0000000057a29236 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=000000006643deae [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000974f75e7 FS-Cache: N-key=[16] '0200000000000000020000807f000008' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=15 sclass=netlink_route_socket pid=21854 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=15 sclass=netlink_route_socket pid=21867 comm=syz-executor.0 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000c4b1fd0f [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000555adf77 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000d10f04cf [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000db4757ab FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000fde13ef5 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000f9d4c019 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000008d580375 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=0000000055a15c44 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000fde13ef5 [p=0000000057a29236 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=00000000412f83c9 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000fcc59aca FS-Cache: N-key=[16] '0200000000000000020000807f000008' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=103 sclass=netlink_route_socket pid=21912 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=103 sclass=netlink_route_socket pid=21929 comm=syz-executor.0 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000006140f75e [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000b4fce730 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000997287e4 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000b89e9b2f [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000db45f328 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000be0c29cb [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000f3231764 FS-Cache: N-key=[16] '0200000000000000020000807f000008' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=529 sclass=netlink_route_socket pid=21960 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=103 sclass=netlink_route_socket pid=21964 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=529 sclass=netlink_route_socket pid=21971 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=785 sclass=netlink_route_socket pid=21994 comm=syz-executor.0 FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000bf21faeb [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000bcdcb218 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=0000000050d0494b [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000d2606d84 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000084e76b05 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=0000000041020281 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000009631057d [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=000000007ec5e27a FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f8001b2e [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000f83e07b1 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000c34c4055 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000871a5394 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000036119797 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000aece53af FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000008ca69233 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000b0584f00 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000036119797 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000aece53af FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000d2283e89 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000d3246db6 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000036119797 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=00000000aece53af FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000a2681de0 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=000000003278f548 FS-Cache: N-key=[16] '0200000000000000020000807f000008' REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "euid<00000000000000000000" 9pnet: Insufficient options for proto=fd FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000027df631 [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=0000000072cedebe FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=0000000083400ab1 [p=0000000057a29236 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000d8b87294 n=00000000f031b4ca FS-Cache: N-key=[16] '0200000000000000020000807f000008' nla_parse: 44 callbacks suppressed netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. 9pnet: Insufficient options for proto=fd netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000007bcc053d [p=0000000057a29236 fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000d8b87294 n=000000003c73d39c FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000674cab74 [p=0000000057a29236 fl=2 nc=0 na=1] CPU: 1 PID: 22123 Comm: syz-executor.4 Not tainted 4.19.152-syzkaller #0 FS-Cache: N-cookie d=00000000d8b87294 n=00000000e2024a7d 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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x2f lib/fault-inject.c:149 FS-Cache: N-key=[16] '0200000000000000020000807f000008' __should_failslab+0x153/0x1b6 mm/failslab.c:32 should_failslab+0x5/0xf mm/slab_common.c:1588 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x2dd/0x4f0 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] alloc_msg ipc/msgutil.c:57 [inline] load_msg+0x3e/0x460 ipc/msgutil.c:95 do_mq_timedsend+0x3ac/0xc40 ipc/mqueue.c:984 __do_sys_mq_timedsend ipc/mqueue.c:1164 [inline] __se_sys_mq_timedsend ipc/mqueue.c:1153 [inline] __x64_sys_mq_timedsend+0x1ba/0x240 ipc/mqueue.c:1153