hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
================================================================================
UBSAN: Undefined behaviour in arch/x86/kernel/uprobes.c:276:56
index 4 is out of range for type 'insn_byte_t [4]'
CPU: 0 PID: 12116 Comm: syz-executor.4 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_out_of_bounds.cold+0x63/0x6f lib/ubsan.c:383
 is_prefix_bad arch/x86/kernel/uprobes.c:276 [inline]
 uprobe_init_insn arch/x86/kernel/uprobes.c:299 [inline]
 arch_uprobe_analyze_insn+0x9d8/0xaa0 arch/x86/kernel/uprobes.c:868
 prepare_uprobe kernel/events/uprobes.c:611 [inline]
 install_breakpoint kernel/events/uprobes.c:654 [inline]
 uprobe_mmap+0x8c2/0xa70 kernel/events/uprobes.c:1096
 mmap_region+0x552/0x1510 mm/mmap.c:1803
 do_mmap+0x8e8/0x1080 mm/mmap.c:1530
 do_mmap_pgoff include/linux/mm.h:2326 [inline]
 vm_mmap_pgoff+0x197/0x200 mm/util.c:357
 ksys_mmap_pgoff+0x2d1/0x660 mm/mmap.c:1580
 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:00007f1c41862c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000021400 RCX: 000000000045de59
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020007000
RBP: 000000000118bf78 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000412 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffecb726d9f R14: 00007f1c418639c0 R15: 000000000118bf2c
XFS (loop1): unknown mount option [permit_directio].
================================================================================
device lo entered promiscuous mode
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
Dev loop4: unable to read RDB block 1
 loop4: unable to read partition table
loop4: partition table beyond EOD, truncated
loop_reread_partitions: partition scan of loop4 () failed (rc=-5)
Dev loop4: unable to read RDB block 1
 loop4: unable to read partition table
loop4: partition table beyond EOD, truncated
loop_reread_partitions: partition scan of loop4 () failed (rc=-5)
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
batman_adv: batadv0: Interface deactivated: batadv_slave_1
Dev loop4: unable to read RDB block 1
 loop4: unable to read partition table
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
loop4: partition table beyond EOD, truncated
Dev loop4: unable to read RDB block 1
loop_reread_partitions: partition scan of loop4 () failed (rc=-5)
 loop4: unable to read partition table
loop4: partition table beyond EOD, truncated
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
f2fs_msg: 4 callbacks suppressed
F2FS-fs (loop3): Unable to read 2th superblock
attempt to access beyond end of device
loop3: rw=12288, want=8200, limit=8
attempt to access beyond end of device
loop3: rw=12288, want=12296, limit=8
F2FS-fs (loop3): Failed to get valid F2FS checkpoint
F2FS-fs (loop3): Unable to read 2th superblock
attempt to access beyond end of device
IPVS: ftp: loaded support on port[0] = 21
loop3: rw=12288, want=8200, limit=8
attempt to access beyond end of device
loop3: rw=12288, want=12296, limit=8
F2FS-fs (loop3): Failed to get valid F2FS checkpoint
IPVS: ftp: loaded support on port[0] = 21
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option ""
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
hub 9-0:1.0: USB hub found
audit: type=1800 audit(1602892912.713:4440): pid=12432 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=16075 res=0
hub 9-0:1.0: 8 ports detected
audit: type=1800 audit(1602892912.753:4441): pid=12432 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=16075 res=0
EXT4-fs error (device loop5): ext4_get_journal_inode:4704: comm syz-executor.5: inode #17920: comm syz-executor.5: iget: illegal inode #
audit: type=1800 audit(1602892912.943:4442): pid=12449 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="sda1" ino=16056 res=0
audit: type=1800 audit(1602892912.983:4443): pid=12449 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="sda1" ino=16056 res=0
EXT4-fs (loop5): no journal found
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs warning (device sda1): ext4_group_add:1680: No reserved GDT blocks, can't resize
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop5
BTRFS info (device loop5): use zlib compression, level 3
BTRFS info (device loop5): turning on flush-on-commit
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
qnx4: no qnx4 filesystem (no root dir).
attempt to access beyond end of device
loop5: rw=4096, want=2064, limit=267
BTRFS error (device loop5): failed to read chunk root
BTRFS error (device loop5): open_ctree failed
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 'syz-executor.4': attribute type 4 has an invalid length.
gfs2: gfs2 mount does not exist
IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready
netlink: 'syz-executor.4': attribute type 4 has an invalid length.
gfs2: gfs2 mount does not exist
UBIFS error (pid: 12630): cannot open "./file0", error -22
UBIFS error (pid: 12630): cannot open "./file0", error -22
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
UBIFS error (pid: 12645): cannot open "./file0", error -22
FAT-fs (loop1): bogus number of reserved sectors
FAT-fs (loop1): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero
UBIFS error (pid: 12657): cannot open "./file0", error -22
FAT-fs (loop1): Can't find a valid FAT filesystem
UBIFS error (pid: 12666): cannot open "./file0", error -22
Bluetooth: hci3: command 0x0406 tx timeout
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
UBIFS error (pid: 12708): cannot open "./file0", error -22
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
UBIFS error (pid: 12727): cannot open "./file0", error -22
UBIFS error (pid: 12730): cannot open "./file0", error -22
UBIFS error (pid: 12736): cannot open "./file0", error -22
UBIFS error (pid: 12739): cannot open "./file0", error -22