Extracting prog: 2m28.002433615s
Minimizing prog: 4m18.036164613s
Simplifying prog options: 0s
Extracting C: 1m14.341708617s
Simplifying C: 23m21.137526335s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
detailed listing:
executing program 0:
r0 = openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/netdevsim/netdevsim1/ports/3/udp_ports_reset\x00', 0x1, 0x0)
write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels(r0, 0x0, 0x0)

program crashed: WARNING in nsim_udp_tunnel_set_port
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=54.937721559s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
detailed listing:
executing program 0:
openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/netdevsim/netdevsim1/ports/3/udp_ports_reset\x00', 0x1, 0x0)

program did not crash
testing program (duration=54.937721559s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
detailed listing:
executing program 0:
write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels(0xffffffffffffffff, 0x0, 0x0)

program did not crash
testing program (duration=54.937721559s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
detailed listing:
executing program 0:
r0 = openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels(r0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=54.937721559s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
simplifying C reproducer
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program did not crash
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program did not crash
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program did not crash
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program did not crash
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program did not crash
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
testing compiled C program (duration=54.937721559s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels-write$auto_nsim_udp_tunnels_info_reset_fops_udp_tunnels
program crashed: WARNING in nsim_udp_tunnel_set_port
reproducing took 31m21.517855631s
repro crashed as (corrupted=false):
------------[ cut here ]------------
entry already in use
WARNING: CPU: 1 PID: 5869 at drivers/net/netdevsim/udp_tunnels.c:26 nsim_udp_tunnel_set_port+0x2d3/0x390 drivers/net/netdevsim/udp_tunnels.c:26
Modules linked in:
CPU: 1 UID: 0 PID: 5869 Comm: syz-executor227 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:nsim_udp_tunnel_set_port+0x2d3/0x390 drivers/net/netdevsim/udp_tunnels.c:26
Code: c3 cc cc cc cc e8 dd a0 ca fa 44 89 f7 e8 85 38 b8 fa e9 ee fd ff ff e8 cb a0 ca fa 90 48 c7 c7 e0 7f 0a 8c e8 fe 66 8b fa 90 <0f> 0b 90 90 4c 8d 73 04 41 bf f0 ff ff ff e9 fa fe ff ff e8 c5 10
RSP: 0018:ffffc90003fffab8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffc90003fffbb0 RCX: ffffffff815a1789
RDX: ffff8880301d5a00 RSI: ffffffff815a1796 RDI: 0000000000000001
RBP: ffff8880744cc000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000017c10002 R15: 0000000000000000
FS:  0000555579af3380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5ac84532b0 CR3: 000000001decc000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udp_tunnel_nic_device_sync_one net/ipv4/udp_tunnel_nic.c:225 [inline]
 udp_tunnel_nic_device_sync_by_port net/ipv4/udp_tunnel_nic.c:246 [inline]
 __udp_tunnel_nic_device_sync.part.0+0x935/0xed0 net/ipv4/udp_tunnel_nic.c:289
 __udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:283 [inline]
 __udp_tunnel_nic_reset_ntf+0x3c1/0x520 net/ipv4/udp_tunnel_nic.c:581
 udp_tunnel_nic_reset_ntf include/net/udp_tunnel.h:377 [inline]
 nsim_udp_tunnels_info_reset_write+0xc2/0x110 drivers/net/netdevsim/udp_tunnels.c:117
 full_proxy_write+0xfb/0x1b0 fs/debugfs/file.c:356
 vfs_write+0x24c/0x1150 fs/read_write.c:677
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5ac83d0df9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc834f88c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5ac83d0df9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f5ac841e1fa R09: 00007f5ac841e1fa
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ac841e453
R13: 0000000000000001 R14: 00007ffc834f8900 R15: 0000000000000000
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
entry already in use
WARNING: CPU: 1 PID: 5869 at drivers/net/netdevsim/udp_tunnels.c:26 nsim_udp_tunnel_set_port+0x2d3/0x390 drivers/net/netdevsim/udp_tunnels.c:26
Modules linked in:
CPU: 1 UID: 0 PID: 5869 Comm: syz-executor227 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:nsim_udp_tunnel_set_port+0x2d3/0x390 drivers/net/netdevsim/udp_tunnels.c:26
Code: c3 cc cc cc cc e8 dd a0 ca fa 44 89 f7 e8 85 38 b8 fa e9 ee fd ff ff e8 cb a0 ca fa 90 48 c7 c7 e0 7f 0a 8c e8 fe 66 8b fa 90 <0f> 0b 90 90 4c 8d 73 04 41 bf f0 ff ff ff e9 fa fe ff ff e8 c5 10
RSP: 0018:ffffc90003fffab8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffc90003fffbb0 RCX: ffffffff815a1789
RDX: ffff8880301d5a00 RSI: ffffffff815a1796 RDI: 0000000000000001
RBP: ffff8880744cc000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000017c10002 R15: 0000000000000000
FS:  0000555579af3380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5ac84532b0 CR3: 000000001decc000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udp_tunnel_nic_device_sync_one net/ipv4/udp_tunnel_nic.c:225 [inline]
 udp_tunnel_nic_device_sync_by_port net/ipv4/udp_tunnel_nic.c:246 [inline]
 __udp_tunnel_nic_device_sync.part.0+0x935/0xed0 net/ipv4/udp_tunnel_nic.c:289
 __udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:283 [inline]
 __udp_tunnel_nic_reset_ntf+0x3c1/0x520 net/ipv4/udp_tunnel_nic.c:581
 udp_tunnel_nic_reset_ntf include/net/udp_tunnel.h:377 [inline]
 nsim_udp_tunnels_info_reset_write+0xc2/0x110 drivers/net/netdevsim/udp_tunnels.c:117
 full_proxy_write+0xfb/0x1b0 fs/debugfs/file.c:356
 vfs_write+0x24c/0x1150 fs/read_write.c:677
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5ac83d0df9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc834f88c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5ac83d0df9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f5ac841e1fa R09: 00007f5ac841e1fa
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ac841e453
R13: 0000000000000001 R14: 00007ffc834f8900 R15: 0000000000000000
 </TASK>