audit: type=1800 audit(1601093015.740:18): pid=8937 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.3" name="file1" dev="sda1" ino=15863 res=0
qnx6: invalid mount options.
qnx6: invalid mount options.
================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38
shift exponent -25 is negative
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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
 est_timer.cold+0x96/0x126 net/core/gen_estimator.c:87
 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338
 expire_timers+0x243/0x500 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1703 [inline]
 run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716
 __do_softirq+0x27d/0xad2 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x22d/0x270 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: e9 73 fd ff ff 48 89 df e8 0f 72 fa f9 e9 59 ff ff ff 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 94 c8 57 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d 84 c8 57 00 f4 c3 90 90 41 56 41 55
RSP: 0018:ffffffff89407d40 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12c7138 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff89481284
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff896389b0
R13: 1ffffffff1280fb2 R14: 0000000000000000 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0x49/0x320 arch/x86/kernel/process.c:557
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x2f8/0x500 kernel/sched/idle.c:263
 cpu_startup_entry+0xc5/0xd6 kernel/sched/idle.c:369
 start_kernel+0x93d/0x978 init/main.c:736
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
================================================================================
================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:90:46
shift exponent -25 is negative
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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
 est_timer.cold+0x17/0x126 net/core/gen_estimator.c:90
 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338
 expire_timers+0x243/0x500 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1703 [inline]
 run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716
 __do_softirq+0x27d/0xad2 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x22d/0x270 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: e9 73 fd ff ff 48 89 df e8 0f 72 fa f9 e9 59 ff ff ff 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 94 c8 57 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d 84 c8 57 00 f4 c3 90 90 41 56 41 55
RSP: 0018:ffffffff89407d40 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12c7138 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff89481284
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff896389b0
R13: 1ffffffff1280fb2 R14: 0000000000000000 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0x49/0x320 arch/x86/kernel/process.c:557
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x2f8/0x500 kernel/sched/idle.c:263
 cpu_startup_entry+0xc5/0xd6 kernel/sched/idle.c:369
 start_kernel+0x93d/0x978 init/main.c:736
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
================================================================================
qnx6: invalid mount options.
UDF-fs: bad mount option "iochars=iso8859-8" or missing value
UDF-fs: bad mount option "iochars=iso8859-8" or missing value
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
8021q: adding VLAN 0 to HW filter on device bond1
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
audit: type=1804 audit(1601093019.320:19): pid=9130 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir239705574/syzkaller.mWu8jF/22/cgroup.controllers" dev="sda1" ino=15879 res=1
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
IPVS: ftp: loaded support on port[0] = 21
nla_parse: 7 callbacks suppressed
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
syz-executor.0 (9150) used greatest stack depth: 22840 bytes left
netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'.
overlayfs: unrecognized mount option "lowZrdir=./bus" or missing value
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
program syz-executor.5 is using a deprecated SCSI ioctl, please convert it to SG_IO
netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'.
sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
audit: type=1800 audit(1601093021.710:20): pid=9296 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=15855 res=0
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
BTRFS: device fsid 3b7b29a3-d79d-449e-8760-f5c6064562ef devid 1 transid 5 /dev/loop0
BTRFS error (device loop0): superblock checksum mismatch
BTRFS error (device loop0): open_ctree failed
IPVS: ftp: loaded support on port[0] = 21
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
isofs_fill_super: root inode is not a directory. Corrupted media?
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
EXT4-fs (loop5): VFS: Found ext4 filesystem with invalid superblock checksum.  Run e2fsck?
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
EXT4-fs (loop0): mounted filesystem without journal. Opts: nodelalloc,,errors=continue
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
f2fs_msg: 6 callbacks suppressed
F2FS-fs (loop5): Unable to read 1th superblock
F2FS-fs (loop5): Unable to read 2th superblock
F2FS-fs (loop5): Unable to read 1th superblock
F2FS-fs (loop5): Unable to read 2th superblock
F2FS-fs (loop5): Unable to read 1th superblock
F2FS-fs (loop5): Unable to read 2th superblock
F2FS-fs (loop5): Unable to read 1th superblock
F2FS-fs (loop5): Unable to read 2th superblock
FAT-fs (loop5): Unrecognized mount option "ct" or missing value
FAT-fs (loop5): Unrecognized mount option "ct" or missing value
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
squashfs: SQUASHFS error: unable to read fragment index table
squashfs: SQUASHFS error: unable to read fragment index table
FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
device vlan2 entered promiscuous mode
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
device bond0 entered promiscuous mode
device bond_slave_0 entered promiscuous mode
device bond_slave_1 entered promiscuous mode
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
REISERFS warning (device loop0): sh-2021 reiserfs_fill_super: can not find reiserfs on loop0
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
audit: type=1804 audit(1601093026.890:21): pid=9614 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir636744106/syzkaller.3uCTp4/40/bus" dev="sda1" ino=15929 res=1
audit: type=1800 audit(1601093027.030:22): pid=9582 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.5" name="cpu.stat" dev="sda1" ino=15887 res=0