Extracting prog: 5m10.320293165s
Minimizing prog: 30m44.529037042s
Simplifying prog options: 14m21.250243063s
Extracting C: 6m8.842263469s
Simplifying C: 0s


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:5 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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newsa={0x138, 0x10, 0x1, 0xfffffffe, 0x100, {{@in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @in6=@private1={0xfc, 0x1, '\x00', 0x1}, 0x1, 0x714, 0x4e23, 0x5, 0x0, 0x0, 0x0, 0x3a}, {@in6=@mcast2, 0x4d2, 0x6c}, @in=@loopback, {0x0, 0x192, 0x3212ced7, 0xffff, 0x8251c, 0x2, 0xfffffffffffffff8, 0xfffffffffffffffc}, {0xffffffffffffffff, 0x0, 0x1f, 0xfffffffffffffffe}, {0x2, 0xfffffffc, 0x282}, 0x70bd2d, 0x3504, 0x2, 0x1, 0x0, 0x20}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newsa={0x138, 0x10, 0x1, 0xfffffffe, 0x100, {{@in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @in6=@private1={0xfc, 0x1, '\x00', 0x1}, 0x1, 0x714, 0x4e23, 0x5, 0x0, 0x0, 0x0, 0x3a}, {@in6=@mcast2, 0x4d2, 0x6c}, @in=@loopback, {0x0, 0x192, 0x3212ced7, 0xffff, 0x8251c, 0x2, 0xfffffffffffffff8, 0xfffffffffffffffc}, {0xffffffffffffffff, 0x0, 0x1f, 0xfffffffffffffffe}, {0x2, 0xfffffffc, 0x282}, 0x70bd2d, 0x3504, 0x2, 0x1, 0x0, 0x20}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program crashed: WARNING in xfrm_state_fini
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$nl_xfrm
detailed listing:
executing program 0:
socket$nl_xfrm(0x10, 0x3, 0x6)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): sendmsg$nl_xfrm
detailed listing:
executing program 0:
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newsa={0x138, 0x10, 0x1, 0xfffffffe, 0x100, {{@in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @in6=@private1={0xfc, 0x1, '\x00', 0x1}, 0x1, 0x714, 0x4e23, 0x5, 0x0, 0x0, 0x0, 0x3a}, {@in6=@mcast2, 0x4d2, 0x6c}, @in=@loopback, {0x0, 0x192, 0x3212ced7, 0xffff, 0x8251c, 0x2, 0xfffffffffffffff8, 0xfffffffffffffffc}, {0xffffffffffffffff, 0x0, 0x1f, 0xfffffffffffffffe}, {0x2, 0xfffffffc, 0x282}, 0x70bd2d, 0x3504, 0x2, 0x1, 0x0, 0x20}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0}, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$nl_xfrm-sendmsg$nl_xfrm
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newsa={0x138, 0x10, 0x1, 0xfffffffe, 0x100, {{@in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @in6=@private1={0xfc, 0x1, '\x00', 0x1}, 0x1, 0x714, 0x4e23, 0x5, 0x0, 0x0, 0x0, 0x3a}, {@in6=@mcast2, 0x4d2, 0x6c}, @in=@loopback, {0x0, 0x192, 0x3212ced7, 0xffff, 0x8251c, 0x2, 0xfffffffffffffff8, 0xfffffffffffffffc}, {0xffffffffffffffff, 0x0, 0x1f, 0xfffffffffffffffe}, {0x2, 0xfffffffc, 0x282}, 0x70bd2d, 0x3504, 0x2, 0x1, 0x0, 0x20}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program crashed: WARNING in xfrm_state_fini
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): socket$nl_xfrm-sendmsg$nl_xfrm
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newsa={0x138, 0x10, 0x1, 0xfffffffe, 0x100, {{@in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @in6=@private1={0xfc, 0x1, '\x00', 0x1}, 0x1, 0x714, 0x4e23, 0x5, 0x0, 0x0, 0x0, 0x3a}, {@in6=@mcast2, 0x4d2, 0x6c}, @in=@loopback, {0x0, 0x192, 0x3212ced7, 0xffff, 0x8251c, 0x2, 0xfffffffffffffff8, 0xfffffffffffffffc}, {0xffffffffffffffff, 0x0, 0x1f, 0xfffffffffffffffe}, {0x2, 0xfffffffc, 0x282}, 0x70bd2d, 0x3504, 0x2, 0x1, 0x0, 0x20}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program crashed: WARNING in xfrm_state_fini
extracting C reproducer
testing compiled C program (duration=6m0s, {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}}): socket$nl_xfrm-sendmsg$nl_xfrm
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newsa={0x138, 0x10, 0x1, 0xfffffffe, 0x100, {{@in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @in6=@private1={0xfc, 0x1, '\x00', 0x1}, 0x1, 0x714, 0x4e23, 0x5, 0x0, 0x0, 0x0, 0x3a}, {@in6=@mcast2, 0x4d2, 0x6c}, @in=@loopback, {0x0, 0x192, 0x3212ced7, 0xffff, 0x8251c, 0x2, 0xfffffffffffffff8, 0xfffffffffffffffc}, {0xffffffffffffffff, 0x0, 0x1f, 0xfffffffffffffffe}, {0x2, 0xfffffffc, 0x282}, 0x70bd2d, 0x3504, 0x2, 0x1, 0x0, 0x20}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program crashed: WARNING in xfrm_state_fini
validation run: crashed=true
testing program (duration=6m0s, {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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newsa={0x138, 0x10, 0x1, 0xfffffffe, 0x100, {{@in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @in6=@private1={0xfc, 0x1, '\x00', 0x1}, 0x1, 0x714, 0x4e23, 0x5, 0x0, 0x0, 0x0, 0x3a}, {@in6=@mcast2, 0x4d2, 0x6c}, @in=@loopback, {0x0, 0x192, 0x3212ced7, 0xffff, 0x8251c, 0x2, 0xfffffffffffffff8, 0xfffffffffffffffc}, {0xffffffffffffffff, 0x0, 0x1f, 0xfffffffffffffffe}, {0x2, 0xfffffffc, 0x282}, 0x70bd2d, 0x3504, 0x2, 0x1, 0x0, 0x20}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program crashed: WARNING in xfrm_state_fini
validation run: crashed=true
testing program (duration=6m0s, {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}}): socket$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newsa={0x138, 0x10, 0x1, 0xfffffffe, 0x100, {{@in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @in6=@private1={0xfc, 0x1, '\x00', 0x1}, 0x1, 0x714, 0x4e23, 0x5, 0x0, 0x0, 0x0, 0x3a}, {@in6=@mcast2, 0x4d2, 0x6c}, @in=@loopback, {0x0, 0x192, 0x3212ced7, 0xffff, 0x8251c, 0x2, 0xfffffffffffffff8, 0xfffffffffffffffc}, {0xffffffffffffffff, 0x0, 0x1f, 0xfffffffffffffffe}, {0x2, 0xfffffffc, 0x282}, 0x70bd2d, 0x3504, 0x2, 0x1, 0x0, 0x20}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0)

program crashed: WARNING in xfrm_state_fini
validation run: crashed=true
reproducing took 59m53.248046053s
repro crashed as (corrupted=false):
veth0_vlan: left promiscuous mode
team0 (unregistering): Port device team_slave_1 removed
team0 (unregistering): Port device team_slave_0 removed
------------[ cut here ]------------
WARNING: CPU: 0 PID: 50 at net/xfrm/xfrm_state.c:3306 xfrm_state_fini+0x26d/0x2f0 net/xfrm/xfrm_state.c:3306
Modules linked in:
CPU: 0 UID: 0 PID: 50 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: netns cleanup_net
RIP: 0010:xfrm_state_fini+0x26d/0x2f0 net/xfrm/xfrm_state.c:3306
Code: c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 2b 55 3e f8 48 8b 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 79 46 1e f8 e8 44 b2 d8 f7 90 <0f> 0b 90 e9 fd fd ff ff e8 36 b2 d8 f7 90 0f 0b 90 e9 60 fe ff ff
RSP: 0018:ffffc90000bb7898 EFLAGS: 00010293
RAX: ffffffff89e5cd1c RBX: ffff888027ef8000 RCX: ffff88801f68dac0
RDX: 0000000000000000 RSI: ffffffff8d6f525f RDI: ffff88801f68dac0
RBP: ffffc90000bb79b0 R08: ffffffff8f5bed37 R09: 1ffffffff1eb7da6
R10: dffffc0000000000 R11: fffffbfff1eb7da7 R12: ffffffff8f1c3f80
R13: 1ffff92000176f40 R14: ffff888027ef94c0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88812638a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff8e2d135c0 CR3: 000000007c100000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 xfrm_net_exit+0x2d/0x70 net/xfrm/xfrm_policy.c:4354
 ops_exit_list net/core/net_namespace.c:199 [inline]
 ops_undo_list+0x49a/0x990 net/core/net_namespace.c:252
 cleanup_net+0x4d8/0x820 net/core/net_namespace.c:695
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3346
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x436/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
veth0_vlan: left promiscuous mode
team0 (unregistering): Port device team_slave_1 removed
team0 (unregistering): Port device team_slave_0 removed
------------[ cut here ]------------
WARNING: CPU: 0 PID: 50 at net/xfrm/xfrm_state.c:3306 xfrm_state_fini+0x26d/0x2f0 net/xfrm/xfrm_state.c:3306
Modules linked in:
CPU: 0 UID: 0 PID: 50 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: netns cleanup_net
RIP: 0010:xfrm_state_fini+0x26d/0x2f0 net/xfrm/xfrm_state.c:3306
Code: c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 2b 55 3e f8 48 8b 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 79 46 1e f8 e8 44 b2 d8 f7 90 <0f> 0b 90 e9 fd fd ff ff e8 36 b2 d8 f7 90 0f 0b 90 e9 60 fe ff ff
RSP: 0018:ffffc90000bb7898 EFLAGS: 00010293
RAX: ffffffff89e5cd1c RBX: ffff888027ef8000 RCX: ffff88801f68dac0
RDX: 0000000000000000 RSI: ffffffff8d6f525f RDI: ffff88801f68dac0
RBP: ffffc90000bb79b0 R08: ffffffff8f5bed37 R09: 1ffffffff1eb7da6
R10: dffffc0000000000 R11: fffffbfff1eb7da7 R12: ffffffff8f1c3f80
R13: 1ffff92000176f40 R14: ffff888027ef94c0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88812638a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff8e2d135c0 CR3: 000000007c100000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 xfrm_net_exit+0x2d/0x70 net/xfrm/xfrm_policy.c:4354
 ops_exit_list net/core/net_namespace.c:199 [inline]
 ops_undo_list+0x49a/0x990 net/core/net_namespace.c:252
 cleanup_net+0x4d8/0x820 net/core/net_namespace.c:695
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3346
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x436/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>