overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 3092 bytes leftover after parsing attributes in process `syz-executor.5'. ================================================================================ UBSAN: Undefined behaviour in net/sched/act_police.c:161:27 shift exponent 45 is too large for 32-bit type 'int' CPU: 1 PID: 14145 Comm: syz-executor.5 Not tainted 4.19.148-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 tcf_police_init.cold+0x34/0x86 net/sched/act_police.c:161 tcf_action_init_1+0x962/0xc40 net/sched/act_api.c:870 tcf_action_init+0x2c3/0x490 net/sched/act_api.c:933 tcf_action_add+0xd9/0x360 net/sched/act_api.c:1314 tc_ctl_action+0x337/0x417 net/sched/act_api.c:1369 rtnetlink_rcv_msg+0x498/0xc10 net/core/rtnetlink.c:4778 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x3b3/0x8f0 net/socket.c:2115 __sys_sendmmsg+0x195/0x470 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45dd99 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:00007f25007b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000027f40 RCX: 000000000045dd99 RDX: 010efe10675dec16 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffe824984af R14: 00007f25007ba9c0 R15: 000000000118bf2c ================================================================================ overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. netlink: 3092 bytes leftover after parsing attributes in process `syz-executor.5'. overlayfs: conflicting lowerdir path netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. __ntfs_warning: 29 callbacks suppressed ntfs: (device loop3): is_boot_sector_ntfs(): Invalid end of sector marker. netlink: 3092 bytes leftover after parsing attributes in process `syz-executor.5'. overlayfs: conflicting lowerdir path ntfs: (device loop3): ntfs_read_inode_mount(): MST fixup failed. $MFT is corrupt. ntfs: (device loop3): ntfs_read_inode_mount(): Failed. Marking inode as bad. ntfs: (device loop3): ntfs_fill_super(): Failed to load essential metadata. overlayfs: conflicting lowerdir path netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. ntfs: (device loop3): is_boot_sector_ntfs(): Invalid end of sector marker. netlink: 3092 bytes leftover after parsing attributes in process `syz-executor.5'. ntfs: (device loop3): ntfs_read_inode_mount(): MST fixup failed. $MFT is corrupt. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. ntfs: (device loop3): ntfs_read_inode_mount(): Failed. Marking inode as bad. ntfs: (device loop3): ntfs_fill_super(): Failed to load essential metadata. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 3092 bytes leftover after parsing attributes in process `syz-executor.5'. ntfs: (device loop3): is_boot_sector_ntfs(): Invalid end of sector marker. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. ntfs: (device loop3): ntfs_read_inode_mount(): MST fixup failed. $MFT is corrupt. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: conflicting lowerdir path overlayfs: failed to resolve './file1': -2 overlayfs: failed to resolve './file1': -2 overlayfs: failed to resolve './file1': -2 __ntfs_warning: 30 callbacks suppressed ntfs: (device loop3): is_boot_sector_ntfs(): Invalid end of sector marker. ntfs: (device loop3): ntfs_read_inode_mount(): MST fixup failed. $MFT is corrupt. ntfs: (device loop3): ntfs_read_inode_mount(): Failed. Marking inode as bad. ntfs: (device loop3): ntfs_fill_super(): Failed to load essential metadata. audit: type=1804 audit(1601407448.404:120): pid=14399 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir934161275/syzkaller.5WsI6u/391/file1/bus" dev="loop2" ino=4 res=1 audit: type=1804 audit(1601407448.454:121): pid=14408 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-testdir934161275/syzkaller.5WsI6u/391/file1/bus" dev="loop2" ino=4 res=1 audit: type=1804 audit(1601407448.454:122): pid=14387 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir934161275/syzkaller.5WsI6u/391/file1/bus" dev="loop2" ino=4 res=1 ntfs: (device loop3): is_boot_sector_ntfs(): Invalid end of sector marker. ntfs: (device loop3): ntfs_read_inode_mount(): MST fixup failed. $MFT is corrupt. ntfs: (device loop3): ntfs_read_inode_mount(): Failed. Marking inode as bad. overlayfs: failed to resolve './file1': -2 nla_parse: 8 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. overlayfs: failed to resolve './file1': -2 overlayfs: failed to resolve './file1': -2 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: upperdir is in-use as upperdir/workdir of another mount, accessing files from both mounts will result in undefined behavior. overlayfs: workdir is in-use as upperdir/workdir of another mount, accessing files from both mounts will result in undefined behavior. overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off.