================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38
shift exponent -246 is negative
CPU: 1 PID: 12691 Comm: syz-executor.4 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:__sanitizer_cov_trace_const_cmp1+0x11/0x20 kernel/kcov.c:174
Code: 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 <e9> 0a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6
RSP: 0018:ffff8880a0b17b20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000001ec3 RCX: ffffffff81f2b2d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88821582b020 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000
R13: ffff888099afadc0 R14: 0000000000000010 R15: dffffc0000000000
 recently_deleted fs/ext4/ialloc.c:685 [inline]
 find_inode_bit+0x219/0x5b0 fs/ext4/ialloc.c:725
 __ext4_new_inode+0x174c/0x5e40 fs/ext4/ialloc.c:917
 ext4_symlink+0x3f5/0xc00 fs/ext4/namei.c:3146
 vfs_symlink+0x3ac/0x630 fs/namei.c:4129
 do_symlinkat+0x258/0x2c0 fs/namei.c:4156
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45db57
Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fff747470e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045db57
RDX: 00007fff74747183 RSI: 00000000004c3869 RDI: 00007fff74747170
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013
R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000001
R13: 00007fff74747120 R14: 0000000000000000 R15: 00007fff74747130
================================================================================
================================================================================
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: 12691 Comm: syz-executor.4 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:__sanitizer_cov_trace_const_cmp1+0x11/0x20 kernel/kcov.c:174
Code: 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 <e9> 0a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6
RSP: 0018:ffff8880a0b17b20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000001ec3 RCX: ffffffff81f2b2d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88821582b020 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000
R13: ffff888099afadc0 R14: 0000000000000010 R15: dffffc0000000000
 recently_deleted fs/ext4/ialloc.c:685 [inline]
 find_inode_bit+0x219/0x5b0 fs/ext4/ialloc.c:725
 __ext4_new_inode+0x174c/0x5e40 fs/ext4/ialloc.c:917
 ext4_symlink+0x3f5/0xc00 fs/ext4/namei.c:3146
 vfs_symlink+0x3ac/0x630 fs/namei.c:4129
 do_symlinkat+0x258/0x2c0 fs/namei.c:4156
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45db57
Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fff747470e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045db57
RDX: 00007fff74747183 RSI: 00000000004c3869 RDI: 00007fff74747170
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013
R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000001
R13: 00007fff74747120 R14: 0000000000000000 R15: 00007fff74747130
================================================================================
================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:90:46
shift exponent -246 is negative
CPU: 1 PID: 12691 Comm: syz-executor.4 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:__sanitizer_cov_trace_const_cmp1+0x11/0x20 kernel/kcov.c:174
Code: 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 <e9> 0a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6
RSP: 0018:ffff8880a0b17b20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000001ec3 RCX: ffffffff81f2b2d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88821582b020 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000
R13: ffff888099afadc0 R14: 0000000000000010 R15: dffffc0000000000
 recently_deleted fs/ext4/ialloc.c:685 [inline]
 find_inode_bit+0x219/0x5b0 fs/ext4/ialloc.c:725
 __ext4_new_inode+0x174c/0x5e40 fs/ext4/ialloc.c:917
 ext4_symlink+0x3f5/0xc00 fs/ext4/namei.c:3146
 vfs_symlink+0x3ac/0x630 fs/namei.c:4129
 do_symlinkat+0x258/0x2c0 fs/namei.c:4156
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45db57
Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fff747470e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045db57
RDX: 00007fff74747183 RSI: 00000000004c3869 RDI: 00007fff74747170
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013
R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000001
R13: 00007fff74747120 R14: 0000000000000000 R15: 00007fff74747130
================================================================================
================================================================================
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: 12691 Comm: syz-executor.4 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:__sanitizer_cov_trace_const_cmp1+0x11/0x20 kernel/kcov.c:174
Code: 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 <e9> 0a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6
RSP: 0018:ffff8880a0b17b20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000001ec3 RCX: ffffffff81f2b2d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88821582b020 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000
R13: ffff888099afadc0 R14: 0000000000000010 R15: dffffc0000000000
 recently_deleted fs/ext4/ialloc.c:685 [inline]
 find_inode_bit+0x219/0x5b0 fs/ext4/ialloc.c:725
 __ext4_new_inode+0x174c/0x5e40 fs/ext4/ialloc.c:917
 ext4_symlink+0x3f5/0xc00 fs/ext4/namei.c:3146
 vfs_symlink+0x3ac/0x630 fs/namei.c:4129
 do_symlinkat+0x258/0x2c0 fs/namei.c:4156
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45db57
Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fff747470e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045db57
RDX: 00007fff74747183 RSI: 00000000004c3869 RDI: 00007fff74747170
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013
R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000001
R13: 00007fff74747120 R14: 0000000000000000 R15: 00007fff74747130
================================================================================
Started in network mode
Own node identity 81, cluster identity 4711
32-bit node address hash set to 81
audit: type=1804 audit(1601948543.793:104): pid=12705 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-testdir916647669/syzkaller.0pzYL6/148/cgroup.controllers" dev="sda1" ino=16189 res=1
netlink: 'syz-executor.1': attribute type 4 has an invalid length.
IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready
netlink: 'syz-executor.1': attribute type 4 has an invalid length.
syz-executor.1 (12718) used greatest stack depth: 22928 bytes left
Left network mode
batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Removing interface: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
batman_adv: batadv0: Removing interface: batadv_slave_1
device bridge_slave_1 left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
device bridge_slave_0 left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
device veth1_macvtap left promiscuous mode
device veth0_macvtap left promiscuous mode
device veth1_vlan left promiscuous mode
device veth0_vlan left promiscuous mode
Bluetooth: hci1: command 0x0409 tx timeout