================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38
shift exponent -246 is negative
CPU: 1 PID: 30171 Comm: syz-executor.2 Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1539 sclass=netlink_route_socket pid=30176 comm=syz-executor.0
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
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
RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181
Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83
RSP: 0018:ffff8882127878f0 EFLAGS: 00010202 ORIG_RAX: ffffffffffffff13
RAX: ffffed10425e6f50 RBX: 0000000000007a80 RCX: 0000000000005040
RDX: 0000000000007a80 RSI: 00000000200f3040 RDI: ffff888212f32a40
RBP: 00000000200f0600 R08: 0000000000000001 R09: ffffed10425e6f4f
R10: ffff888212f37a7f R11: 0000000000000000 R12: ffff888212f30000
R13: 00000000200f8080 R14: 00007ffffffff000 R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:71 [inline]
copyin+0xcd/0xf0 lib/iov_iter.c:146
_copy_from_iter_full+0x1df/0x7f0 lib/iov_iter.c:724
copy_from_iter_full include/linux/uio.h:124 [inline]
skb_do_copy_data_nocache include/net/sock.h:1968 [inline]
skb_copy_to_page_nocache include/net/sock.h:1994 [inline]
tcp_sendmsg_locked+0x12b0/0x2fe0 net/ipv4/tcp.c:1362
tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1460
inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xc7/0x130 net/socket.c:632
___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115
__sys_sendmsg net/socket.c:2153 [inline]
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45dd99
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:00007f7e6a60fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000028100 RCX: 000000000045dd99
RDX: 000000000007ffff RSI: 0000000020000680 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe5cdf534f R14: 00007f7e6a6109c0 R15: 000000000118bf2c
================================================================================
================================================================================
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: 30171 Comm: syz-executor.2 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
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
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1539 sclass=netlink_route_socket pid=30184 comm=syz-executor.0
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181
Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83
RSP: 0018:ffff8882127878f0 EFLAGS: 00010202 ORIG_RAX: ffffffffffffff13
RAX: ffffed10425e6f50 RBX: 0000000000007a80 RCX: 0000000000005040
RDX: 0000000000007a80 RSI: 00000000200f3040 RDI: ffff888212f32a40
RBP: 00000000200f0600 R08: 0000000000000001 R09: ffffed10425e6f4f
R10: ffff888212f37a7f R11: 0000000000000000 R12: ffff888212f30000
R13: 00000000200f8080 R14: 00007ffffffff000 R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:71 [inline]
copyin+0xcd/0xf0 lib/iov_iter.c:146
_copy_from_iter_full+0x1df/0x7f0 lib/iov_iter.c:724
copy_from_iter_full include/linux/uio.h:124 [inline]
skb_do_copy_data_nocache include/net/sock.h:1968 [inline]
skb_copy_to_page_nocache include/net/sock.h:1994 [inline]
tcp_sendmsg_locked+0x12b0/0x2fe0 net/ipv4/tcp.c:1362
tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1460
inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xc7/0x130 net/socket.c:632
___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115
__sys_sendmsg net/socket.c:2153 [inline]
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45dd99
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:00007f7e6a60fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000028100 RCX: 000000000045dd99
RDX: 000000000007ffff RSI: 0000000020000680 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe5cdf534f R14: 00007f7e6a6109c0 R15: 000000000118bf2c
================================================================================
================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:90:46
shift exponent -246 is negative
CPU: 1 PID: 30171 Comm: syz-executor.2 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+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
RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181
Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83
RSP: 0018:ffff8882127878f0 EFLAGS: 00010202 ORIG_RAX: ffffffffffffff13
RAX: ffffed10425e6f50 RBX: 0000000000007a80 RCX: 0000000000005040
RDX: 0000000000007a80 RSI: 00000000200f3040 RDI: ffff888212f32a40
RBP: 00000000200f0600 R08: 0000000000000001 R09: ffffed10425e6f4f
R10: ffff888212f37a7f R11: 0000000000000000 R12: ffff888212f30000
R13: 00000000200f8080 R14: 00007ffffffff000 R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:71 [inline]
copyin+0xcd/0xf0 lib/iov_iter.c:146
_copy_from_iter_full+0x1df/0x7f0 lib/iov_iter.c:724
copy_from_iter_full include/linux/uio.h:124 [inline]
skb_do_copy_data_nocache include/net/sock.h:1968 [inline]
skb_copy_to_page_nocache include/net/sock.h:1994 [inline]
tcp_sendmsg_locked+0x12b0/0x2fe0 net/ipv4/tcp.c:1362
tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1460
inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xc7/0x130 net/socket.c:632
___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115
__sys_sendmsg net/socket.c:2153 [inline]
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45dd99
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:00007f7e6a60fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000028100 RCX: 000000000045dd99
RDX: 000000000007ffff RSI: 0000000020000680 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe5cdf534f R14: 00007f7e6a6109c0 R15: 000000000118bf2c
================================================================================
================================================================================
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: 30171 Comm: syz-executor.2 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+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
RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181
Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83
RSP: 0018:ffff8882127878f0 EFLAGS: 00010202 ORIG_RAX: ffffffffffffff13
RAX: ffffed10425e6f50 RBX: 0000000000007a80 RCX: 0000000000005040
RDX: 0000000000007a80 RSI: 00000000200f3040 RDI: ffff888212f32a40
RBP: 00000000200f0600 R08: 0000000000000001 R09: ffffed10425e6f4f
R10: ffff888212f37a7f R11: 0000000000000000 R12: ffff888212f30000
R13: 00000000200f8080 R14: 00007ffffffff000 R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:71 [inline]
copyin+0xcd/0xf0 lib/iov_iter.c:146
_copy_from_iter_full+0x1df/0x7f0 lib/iov_iter.c:724
copy_from_iter_full include/linux/uio.h:124 [inline]
skb_do_copy_data_nocache include/net/sock.h:1968 [inline]
skb_copy_to_page_nocache include/net/sock.h:1994 [inline]
tcp_sendmsg_locked+0x12b0/0x2fe0 net/ipv4/tcp.c:1362
tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1460
inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xc7/0x130 net/socket.c:632
___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115
__sys_sendmsg net/socket.c:2153 [inline]
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45dd99
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:00007f7e6a60fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000028100 RCX: 000000000045dd99
RDX: 000000000007ffff RSI: 0000000020000680 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe5cdf534f R14: 00007f7e6a6109c0 R15: 000000000118bf2c
================================================================================
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1539 sclass=netlink_route_socket pid=30204 comm=syz-executor.0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1539 sclass=netlink_route_socket pid=30218 comm=syz-executor.0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1539 sclass=netlink_route_socket pid=30225 comm=syz-executor.0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1539 sclass=netlink_route_socket pid=30231 comm=syz-executor.0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1539 sclass=netlink_route_socket pid=30240 comm=syz-executor.0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=112 sclass=netlink_route_socket pid=30250 comm=syz-executor.3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1539 sclass=netlink_route_socket pid=30253 comm=syz-executor.0
audit: type=1804 audit(1601500660.526:216): pid=30257 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="bus" dev="sda1" ino=16846 res=1
audit: type=1804 audit(1601500661.326:217): pid=30263 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="bus" dev="sda1" ino=16846 res=1
audit: type=1804 audit(1601500661.366:218): pid=30263 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="bus" dev="sda1" ino=16846 res=1