Extracting prog: 2m15.558313803s
Minimizing prog: 3m32.176712186s
Simplifying prog options: 0s
Extracting C: 1m52.715274318s
Simplifying C: 31m9.418952277s


extracting reproducer from 68 programs
first checking the prog from the crash report
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp-close
detailed listing:
executing program 0:
r0 = syz_socket_connect_nvme_tcp() (fail_nth: 22)
close(r0)

program crashed: kernel BUG in socket
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=45.848310379s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
detailed listing:
executing program 0:
syz_socket_connect_nvme_tcp() (fail_nth: 22)

program crashed: kernel BUG in socket
testing program (duration=45.848310379s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
detailed listing:
executing program 0:
syz_socket_connect_nvme_tcp()

program did not crash
extracting C reproducer
testing compiled C program (duration=45.848310379s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
simplifying C reproducer
testing compiled C program (duration=45.848310379s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program did not crash
testing compiled C program (duration=45.848310379s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program did not crash
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing compiled C program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
program crashed: kernel BUG in socket
testing program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
detailed listing:
executing program 0:
syz_socket_connect_nvme_tcp() (fail_nth: 22)

program crashed: kernel BUG in socket
validation run: crashed=true
testing program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
detailed listing:
executing program 0:
syz_socket_connect_nvme_tcp() (fail_nth: 22)

program crashed: kernel BUG in socket
validation run: crashed=true
testing program (duration=45.848310379s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_socket_connect_nvme_tcp
detailed listing:
executing program 0:
syz_socket_connect_nvme_tcp() (fail_nth: 22)

program crashed: kernel BUG in socket
validation run: crashed=true
reproducing took 43m42.715640673s
repro crashed as (corrupted=false):
VFS_BUG_ON_INODE(inode_state_read_once(inode) & I_CLEAR) encountered for inode ffff88805d9f9d80
fs sockfs mode 140777 opflags 0x8 flags 0x0 state 0x300 count 0
------------[ cut here ]------------
kernel BUG at fs/inode.c:1978!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6026 Comm: syz.0.20 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:iput+0xfc9/0x1030 fs/inode.c:1978
Code: 8b 7c 24 18 48 c7 c6 80 c0 99 8b e8 61 c1 e6 fe 90 0f 0b e8 19 7b 80 ff 48 8b 7c 24 18 48 c7 c6 20 c0 99 8b e8 48 c1 e6 fe 90 <0f> 0b 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c cd fb ff ff 4c 89 ef
RSP: 0018:ffffc900043afde0 EFLAGS: 00010282
RAX: 000000000000009f RBX: dffffc0000000000 RCX: 722358f585c3e200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffffffff1f54606 R08: ffffc900043afaa7 R09: 1ffff92000875f54
R10: dffffc0000000000 R11: fffff52000875f55 R12: 1ffff1100bb3f3f0
R13: ffff88805d9f9f80 R14: 0000000000000200 R15: 1ffffffff1f7f5d4
FS:  000055555fbc1500(0000) GS:ffff888125a41000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9377d2b5a0 CR3: 00000000758a6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 sock_release net/socket.c:685 [inline]
 sock_map_fd net/socket.c:510 [inline]
 __sys_socket+0x2f0/0x370 net/socket.c:1762
 __do_sys_socket net/socket.c:1767 [inline]
 __se_sys_socket net/socket.c:1765 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1765
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9377d8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdf28e50b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f9377fe5fa0 RCX: 00007f9377d8f749
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000004 R08: 0000000000000000 R09: 00000000000927c0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f9377fe5fa0 R14: 00007f9377fe5fa0 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:iput+0xfc9/0x1030 fs/inode.c:1978
Code: 8b 7c 24 18 48 c7 c6 80 c0 99 8b e8 61 c1 e6 fe 90 0f 0b e8 19 7b 80 ff 48 8b 7c 24 18 48 c7 c6 20 c0 99 8b e8 48 c1 e6 fe 90 <0f> 0b 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c cd fb ff ff 4c 89 ef
RSP: 0018:ffffc900043afde0 EFLAGS: 00010282
RAX: 000000000000009f RBX: dffffc0000000000 RCX: 722358f585c3e200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffffffff1f54606 R08: ffffc900043afaa7 R09: 1ffff92000875f54
R10: dffffc0000000000 R11: fffff52000875f55 R12: 1ffff1100bb3f3f0
R13: ffff88805d9f9f80 R14: 0000000000000200 R15: 1ffffffff1f7f5d4
FS:  000055555fbc1500(0000) GS:ffff888125b41000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0099c2000 CR3: 00000000758a6000 CR4: 00000000003526f0

final repro crashed as (corrupted=false):
VFS_BUG_ON_INODE(inode_state_read_once(inode) & I_CLEAR) encountered for inode ffff88805d9f9d80
fs sockfs mode 140777 opflags 0x8 flags 0x0 state 0x300 count 0
------------[ cut here ]------------
kernel BUG at fs/inode.c:1978!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6026 Comm: syz.0.20 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:iput+0xfc9/0x1030 fs/inode.c:1978
Code: 8b 7c 24 18 48 c7 c6 80 c0 99 8b e8 61 c1 e6 fe 90 0f 0b e8 19 7b 80 ff 48 8b 7c 24 18 48 c7 c6 20 c0 99 8b e8 48 c1 e6 fe 90 <0f> 0b 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c cd fb ff ff 4c 89 ef
RSP: 0018:ffffc900043afde0 EFLAGS: 00010282
RAX: 000000000000009f RBX: dffffc0000000000 RCX: 722358f585c3e200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffffffff1f54606 R08: ffffc900043afaa7 R09: 1ffff92000875f54
R10: dffffc0000000000 R11: fffff52000875f55 R12: 1ffff1100bb3f3f0
R13: ffff88805d9f9f80 R14: 0000000000000200 R15: 1ffffffff1f7f5d4
FS:  000055555fbc1500(0000) GS:ffff888125a41000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9377d2b5a0 CR3: 00000000758a6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 sock_release net/socket.c:685 [inline]
 sock_map_fd net/socket.c:510 [inline]
 __sys_socket+0x2f0/0x370 net/socket.c:1762
 __do_sys_socket net/socket.c:1767 [inline]
 __se_sys_socket net/socket.c:1765 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1765
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9377d8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdf28e50b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f9377fe5fa0 RCX: 00007f9377d8f749
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000004 R08: 0000000000000000 R09: 00000000000927c0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f9377fe5fa0 R14: 00007f9377fe5fa0 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:iput+0xfc9/0x1030 fs/inode.c:1978
Code: 8b 7c 24 18 48 c7 c6 80 c0 99 8b e8 61 c1 e6 fe 90 0f 0b e8 19 7b 80 ff 48 8b 7c 24 18 48 c7 c6 20 c0 99 8b e8 48 c1 e6 fe 90 <0f> 0b 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c cd fb ff ff 4c 89 ef
RSP: 0018:ffffc900043afde0 EFLAGS: 00010282
RAX: 000000000000009f RBX: dffffc0000000000 RCX: 722358f585c3e200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffffffff1f54606 R08: ffffc900043afaa7 R09: 1ffff92000875f54
R10: dffffc0000000000 R11: fffff52000875f55 R12: 1ffff1100bb3f3f0
R13: ffff88805d9f9f80 R14: 0000000000000200 R15: 1ffffffff1f7f5d4
FS:  000055555fbc1500(0000) GS:ffff888125b41000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0099c2000 CR3: 00000000758a6000 CR4: 00000000003526f0