UDF-fs: error (device nbd0): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device nbd0): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device nbd0): udf_load_vrs: No anchor found ================================================================================ UDF-fs: Scanning with blocksize 2048 failed UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38 shift exponent -246 is negative CPU: 1 PID: 18 Comm: ksoftirqd/1 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 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 run_ksoftirqd+0x57/0x130 kernel/softirq.c:653 smpboot_thread_fn+0x66e/0xa30 kernel/smpboot.c:164 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:88:23 shift exponent 255 is too large for 64-bit type 'long long unsigned int' CPU: 1 PID: 18 Comm: ksoftirqd/1 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 est_timer.cold+0xd6/0x126 net/core/gen_estimator.c:88 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 run_ksoftirqd+0x57/0x130 kernel/softirq.c:653 smpboot_thread_fn+0x66e/0xa30 kernel/smpboot.c:164 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:90:46 shift exponent -246 is negative CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 UDF-fs: error (device nbd0): udf_read_tagged: read failed, block=256, location=256 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 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 run_ksoftirqd+0x57/0x130 kernel/softirq.c:653 smpboot_thread_fn+0x66e/0xa30 kernel/smpboot.c:164 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:91:22 UDF-fs: error (device nbd0): udf_read_tagged: read failed, block=512, location=512 shift exponent 255 is too large for 64-bit type 'long long unsigned int' CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: UDF-fs: warning (device nbd0): udf_load_vrs: No anchor found __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+0x5b/0x126 net/core/gen_estimator.c:91 UDF-fs: Scanning with blocksize 4096 failed call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 UDF-fs: warning (device nbd0): udf_fill_super: No partition found (1) 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 run_ksoftirqd+0x57/0x130 kernel/softirq.c:653 smpboot_thread_fn+0x66e/0xa30 kernel/smpboot.c:164 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ================================================================================ xt_TCPMSS: Only works on TCP SYN packets xt_CT: No such helper "pptp" x_tables: ip6_tables: realm match: used from hooks PREROUTING, but only valid from INPUT/FORWARD/OUTPUT/POSTROUTING netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed ptrace attach of "/root/syz-executor.2"[9457] was attempted by "/root/syz-executor.2"[9461] BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed audit: type=1804 audit(1601241685.650:16): pid=9474 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir237966673/syzkaller.7k8tU9/51/cgroup.controllers" dev="sda1" ino=15889 res=1 ptrace attach of "/root/syz-executor.2"[9515] was attempted by "/root/syz-executor.2"[9520] audit: type=1804 audit(1601241685.650:17): pid=9476 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir237966673/syzkaller.7k8tU9/51/cgroup.controllers" dev="sda1" ino=15889 res=1 audit: type=1804 audit(1601241685.840:18): pid=9522 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir237966673/syzkaller.7k8tU9/51/cgroup.controllers" dev="sda1" ino=15889 res=1 BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed IPVS: ftp: loaded support on port[0] = 21 BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 49 vs 48 free clusters EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed xt_bpf: check failed: parse error BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed audit: type=1804 audit(1601241690.540:19): pid=9828 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-testdir351468232/syzkaller.s8qqEW/68/cgroup.controllers" dev="sda1" ino=15939 res=1 audit: type=1804 audit(1601241690.620:20): pid=9837 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-testdir351468232/syzkaller.s8qqEW/68/cgroup.controllers" dev="sda1" ino=15939 res=1 audit: type=1800 audit(1601241690.670:21): pid=9828 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.2" name="cgroup.controllers" dev="sda1" ino=15939 res=0 audit: type=1800 audit(1601241690.670:22): pid=9837 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="cgroup.controllers" dev="sda1" ino=15939 res=0 EXT4-fs (loop2): warning: mounting unchecked fs, running e2fsck is recommended netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed EXT4-fs (loop0): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue FAT-fs (loop2): invalid media value (0x00) FAT-fs (loop2): Can't find a valid FAT filesystem BTRFS error (device loop5): superblock checksum mismatch BTRFS error (device loop5): open_ctree failed FAT-fs (loop2): invalid media value (0x00) FAT-fs (loop2): Can't find a valid FAT filesystem