================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38
shift exponent -246 is negative
CPU: 1 PID: 22842 Comm: syz-executor.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:pte_val arch/x86/include/asm/paravirt.h:389 [inline]
RIP: 0010:pte_pfn arch/x86/include/asm/pgtable.h:197 [inline]
RIP: 0010:_vm_normal_page+0xbe/0x520 mm/memory.c:834
Code: ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ed 03 00 00 48 83 3d 55 5a 8f 07 00 0f 84 6c 01 00 00 e8 92 43 d4 ff <4c> 89 e7 48 89 f8 0f 1f 40 00 31 ff 48 89 c3 48 89 c6 e8 0b 45 d4
RSP: 0018:ffff88808c637978 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7ec26c0 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff819d8ece RDI: ffff88808f572738
RBP: 1ffff110118c6f31 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000004 R12: 80000000921d5007
R13: ffff88808f572738 R14: 00007fafc5ccd000 R15: ffff88808c6379a8
 copy_one_pte mm/memory.c:1050 [inline]
 copy_pte_range mm/memory.c:1114 [inline]
 copy_pmd_range mm/memory.c:1165 [inline]
 copy_pud_range mm/memory.c:1199 [inline]
 copy_p4d_range mm/memory.c:1221 [inline]
 copy_page_range+0xfff/0x3380 mm/memory.c:1283
 dup_mmap kernel/fork.c:549 [inline]
 dup_mm kernel/fork.c:1288 [inline]
 copy_mm kernel/fork.c:1344 [inline]
 copy_process.part.0+0x5c68/0x7fb0 kernel/fork.c:1897
 copy_process kernel/fork.c:1694 [inline]
 _do_fork+0x22f/0x1020 kernel/fork.c:2207
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c3fa
Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00
RSP: 002b:00007ffe20f5ad70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffe20f5ad70 RCX: 000000000045c3fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffe20f5adb0 R08: 0000000000000001 R09: 0000000001f39940
R10: 0000000001f39c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe20f5ae00
================================================================================
================================================================================
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: 22842 Comm: syz-executor.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+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
 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:pte_val arch/x86/include/asm/paravirt.h:389 [inline]
RIP: 0010:pte_pfn arch/x86/include/asm/pgtable.h:197 [inline]
RIP: 0010:_vm_normal_page+0xbe/0x520 mm/memory.c:834
Code: ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ed 03 00 00 48 83 3d 55 5a 8f 07 00 0f 84 6c 01 00 00 e8 92 43 d4 ff <4c> 89 e7 48 89 f8 0f 1f 40 00 31 ff 48 89 c3 48 89 c6 e8 0b 45 d4
RSP: 0018:ffff88808c637978 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7ec26c0 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff819d8ece RDI: ffff88808f572738
RBP: 1ffff110118c6f31 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000004 R12: 80000000921d5007
R13: ffff88808f572738 R14: 00007fafc5ccd000 R15: ffff88808c6379a8
 copy_one_pte mm/memory.c:1050 [inline]
 copy_pte_range mm/memory.c:1114 [inline]
 copy_pmd_range mm/memory.c:1165 [inline]
 copy_pud_range mm/memory.c:1199 [inline]
 copy_p4d_range mm/memory.c:1221 [inline]
 copy_page_range+0xfff/0x3380 mm/memory.c:1283
 dup_mmap kernel/fork.c:549 [inline]
 dup_mm kernel/fork.c:1288 [inline]
 copy_mm kernel/fork.c:1344 [inline]
 copy_process.part.0+0x5c68/0x7fb0 kernel/fork.c:1897
 copy_process kernel/fork.c:1694 [inline]
 _do_fork+0x22f/0x1020 kernel/fork.c:2207
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c3fa
Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00
RSP: 002b:00007ffe20f5ad70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffe20f5ad70 RCX: 000000000045c3fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffe20f5adb0 R08: 0000000000000001 R09: 0000000001f39940
R10: 0000000001f39c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe20f5ae00
================================================================================
================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:90:46
shift exponent -246 is negative
CPU: 1 PID: 22842 Comm: syz-executor.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:pte_val arch/x86/include/asm/paravirt.h:389 [inline]
RIP: 0010:pte_pfn arch/x86/include/asm/pgtable.h:197 [inline]
RIP: 0010:_vm_normal_page+0xbe/0x520 mm/memory.c:834
Code: ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ed 03 00 00 48 83 3d 55 5a 8f 07 00 0f 84 6c 01 00 00 e8 92 43 d4 ff <4c> 89 e7 48 89 f8 0f 1f 40 00 31 ff 48 89 c3 48 89 c6 e8 0b 45 d4
RSP: 0018:ffff88808c637978 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7ec26c0 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff819d8ece RDI: ffff88808f572738
RBP: 1ffff110118c6f31 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000004 R12: 80000000921d5007
R13: ffff88808f572738 R14: 00007fafc5ccd000 R15: ffff88808c6379a8
 copy_one_pte mm/memory.c:1050 [inline]
 copy_pte_range mm/memory.c:1114 [inline]
 copy_pmd_range mm/memory.c:1165 [inline]
 copy_pud_range mm/memory.c:1199 [inline]
 copy_p4d_range mm/memory.c:1221 [inline]
 copy_page_range+0xfff/0x3380 mm/memory.c:1283
 dup_mmap kernel/fork.c:549 [inline]
 dup_mm kernel/fork.c:1288 [inline]
 copy_mm kernel/fork.c:1344 [inline]
 copy_process.part.0+0x5c68/0x7fb0 kernel/fork.c:1897
 copy_process kernel/fork.c:1694 [inline]
 _do_fork+0x22f/0x1020 kernel/fork.c:2207
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c3fa
Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00
RSP: 002b:00007ffe20f5ad70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffe20f5ad70 RCX: 000000000045c3fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffe20f5adb0 R08: 0000000000000001 R09: 0000000001f39940
R10: 0000000001f39c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe20f5ae00
================================================================================
================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:91:22
shift exponent 255 is too large for 64-bit type 'long long unsigned int'
CPU: 1 PID: 22842 Comm: syz-executor.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+0x5b/0x126 net/core/gen_estimator.c:91
 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:pte_val arch/x86/include/asm/paravirt.h:389 [inline]
RIP: 0010:pte_pfn arch/x86/include/asm/pgtable.h:197 [inline]
RIP: 0010:_vm_normal_page+0xbe/0x520 mm/memory.c:834
Code: ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ed 03 00 00 48 83 3d 55 5a 8f 07 00 0f 84 6c 01 00 00 e8 92 43 d4 ff <4c> 89 e7 48 89 f8 0f 1f 40 00 31 ff 48 89 c3 48 89 c6 e8 0b 45 d4
RSP: 0018:ffff88808c637978 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7ec26c0 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff819d8ece RDI: ffff88808f572738
RBP: 1ffff110118c6f31 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000004 R12: 80000000921d5007
R13: ffff88808f572738 R14: 00007fafc5ccd000 R15: ffff88808c6379a8
 copy_one_pte mm/memory.c:1050 [inline]
 copy_pte_range mm/memory.c:1114 [inline]
 copy_pmd_range mm/memory.c:1165 [inline]
 copy_pud_range mm/memory.c:1199 [inline]
 copy_p4d_range mm/memory.c:1221 [inline]
 copy_page_range+0xfff/0x3380 mm/memory.c:1283
 dup_mmap kernel/fork.c:549 [inline]
 dup_mm kernel/fork.c:1288 [inline]
 copy_mm kernel/fork.c:1344 [inline]
 copy_process.part.0+0x5c68/0x7fb0 kernel/fork.c:1897
 copy_process kernel/fork.c:1694 [inline]
 _do_fork+0x22f/0x1020 kernel/fork.c:2207
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c3fa
Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00
RSP: 002b:00007ffe20f5ad70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffe20f5ad70 RCX: 000000000045c3fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffe20f5adb0 R08: 0000000000000001 R09: 0000000001f39940
R10: 0000000001f39c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe20f5ae00
================================================================================
kvm_set_msr_common: 482 callbacks suppressed
kvm [3982]: vcpu0, guest rIP: 0x14c disabled perfctr wrmsr: 0x186 data 0x71000000f7
kvm [3982]: vcpu0, guest rIP: 0x14c disabled perfctr wrmsr: 0x186 data 0x73000000d6
kvm [3982]: vcpu0, guest rIP: 0x14c disabled perfctr wrmsr: 0x186 data 0x7700000058
kvm [3982]: vcpu0, guest rIP: 0x14c disabled perfctr wrmsr: 0x186 data 0x7f000000bc
IPVS: ftp: loaded support on port[0] = 21
PF_BRIDGE: br_mdb_parse() with invalid entry
nla_parse: 39 callbacks suppressed
netlink: 64 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 64 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
IPVS: ftp: loaded support on port[0] = 21
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 64 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 64 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'.
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
nla_parse: 17 callbacks suppressed
netlink: 64 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 64 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.