UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
FAT-fs (loop2): Directory bread(block 6) failed
================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38
shift exponent -23 is negative
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.149-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 ff 25 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 c4 5b 57 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d b4 5b 57 00 f4 c3 90 90 41 56 41 55
RSP: 0018:ffffffff89407d40 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12c7140 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff89481284
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff896389f0
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 -23 is negative
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.149-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 ff 25 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 c4 5b 57 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d b4 5b 57 00 f4 c3 90 90 41 56 41 55
RSP: 0018:ffffffff89407d40 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12c7140 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff89481284
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff896389f0
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 ./include/net/red.h:272:18
shift exponent 253 is too large for 64-bit type 'long unsigned int'
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.149-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
 red_calc_qavg_from_idle_time include/net/red.h:272 [inline]
 red_calc_qavg include/net/red.h:313 [inline]
 red_enqueue+0x2064/0x2200 net/sched/sch_red.c:68
 __dev_xmit_skb net/core/dev.c:3494 [inline]
 __dev_queue_xmit+0x14e1/0x2ec0 net/core/dev.c:3807
 neigh_hh_output include/net/neighbour.h:491 [inline]
 neigh_output include/net/neighbour.h:499 [inline]
 ip_finish_output2+0xc04/0x1640 net/ipv4/ip_output.c:230
 ip_finish_output+0x88e/0xd80 net/ipv4/ip_output.c:318
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip_output+0x203/0x650 net/ipv4/ip_output.c:406
 dst_output include/net/dst.h:455 [inline]
 ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125
 iptunnel_xmit+0x63e/0xa30 net/ipv4/ip_tunnel_core.c:91
 geneve_xmit_skb drivers/net/geneve.c:865 [inline]
 geneve_xmit+0xf46/0x2ac0 drivers/net/geneve.c:938
 __netdev_start_xmit include/linux/netdevice.h:4333 [inline]
 netdev_start_xmit include/linux/netdevice.h:4347 [inline]
 xmit_one net/core/dev.c:3256 [inline]
 dev_hard_start_xmit+0x1a8/0x960 net/core/dev.c:3272
 __dev_queue_xmit+0x276a/0x2ec0 net/core/dev.c:3838
 neigh_resolve_output+0x55a/0x950 net/core/neighbour.c:1374
 neigh_output include/net/neighbour.h:501 [inline]
 ip6_finish_output2+0x1184/0x2370 net/ipv6/ip6_output.c:120
 ip6_finish_output+0x610/0xcc0 net/ipv6/ip6_output.c:154
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip6_output+0x205/0x7c0 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:455 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ndisc_send_skb+0xa6b/0x1860 net/ipv6/ndisc.c:491
 ndisc_send_rs+0x131/0x6a0 net/ipv6/ndisc.c:685
 addrconf_rs_timer+0x2d9/0x640 net/ipv6/addrconf.c:3834
 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 ff 25 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 c4 5b 57 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d b4 5b 57 00 f4 c3 90 90 41 56 41 55
RSP: 0018:ffffffff89407d40 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12c7140 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff89481284
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff896389f0
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
================================================================================
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
block nbd1: NBD_DISCONNECT
FAT-fs (loop2): Directory bread(block 6) failed
UDF-fs: Scanning with blocksize 1024 failed
FAT-fs (loop2): Directory bread(block 6) failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
FAT-fs (loop2): Directory bread(block 6) failed
serio: Serial port pts0
FAT-fs (loop2): Directory bread(block 6) failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
FAT-fs (loop2): Directory bread(block 6) failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
FAT-fs (loop2): Directory bread(block 6) failed
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
FAT-fs (loop2): Directory bread(block 6) failed
audit: type=1804 audit(1601711832.229:142): pid=20479 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir136897437/syzkaller.WPjYxJ/785/bus" dev="sda1" ino=16579 res=1
audit: type=1804 audit(1601711832.269:143): pid=20483 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir136897437/syzkaller.WPjYxJ/785/bus" dev="sda1" ino=16579 res=1
IPVS: ftp: loaded support on port[0] = 21
audit: type=1804 audit(1601711832.509:144): pid=20471 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir136897437/syzkaller.WPjYxJ/785/bus" dev="sda1" ino=16579 res=1
audit: type=1804 audit(1601711832.509:145): pid=20471 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir136897437/syzkaller.WPjYxJ/785/bus" dev="sda1" ino=16579 res=1
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
FAT-fs (loop2): Directory bread(block 6) failed
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
FAT-fs (loop2): Directory bread(block 6) failed
UDF-fs: Scanning with blocksize 1024 failed
IPVS: ftp: loaded support on port[0] = 21
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
IPVS: ftp: loaded support on port[0] = 21
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
audit: type=1804 audit(1601711835.179:146): pid=20573 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir136897437/syzkaller.WPjYxJ/786/bus" dev="sda1" ino=17188 res=1
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
audit: type=1804 audit(1601711835.259:147): pid=20583 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir136897437/syzkaller.WPjYxJ/786/bus" dev="sda1" ino=17188 res=1
UDF-fs: warning (device loop4): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop4): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed