Extracting prog: 4m9.647387326s Minimizing prog: 49m25.093173341s Simplifying prog options: 13m58.542626947s Extracting C: 6m7.079830941s 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: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}}): 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)={&(0x7f0000000500)=ANY=[@ANYBLOB="380100001a000100feffffff00010000fe880000000000000000000000000001fc0100000000000000000000000000010001071c4e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="ff020000000000000000000000000001000004d46c000000ac14142500000000000000000000000000000000000000009201000000000000a39b000000000000ffff0000000000001c250800000000000500000000000000fcffffffffffffff0000000000000000ffffffffffffffff00000000000000001f00000000000000fefffffffffffffffafffffffcffffff000000008000000000350000020001002000000000000000480003006465666c61746500"/240], 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: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}}): 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)={&(0x7f0000000500)=ANY=[@ANYBLOB="380100001a000100feffffff00010000fe880000000000000000000000000001fc0100000000000000000000000000010001071c4e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="ff020000000000000000000000000001000004d46c000000ac14142500000000000000000000000000000000000000009201000000000000a39b000000000000ffff0000000000001c250800000000000500000000000000fcffffffffffffff0000000000000000ffffffffffffffff00000000000000001f00000000000000fefffffffffffffffafffffffcffffff000000008000000000350000020001002000000000000000480003006465666c61746500"/240], 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: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}}): 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: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}}): sendmsg$nl_xfrm detailed listing: executing program 0: sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000500)=ANY=[@ANYBLOB="380100001a000100feffffff00010000fe880000000000000000000000000001fc0100000000000000000000000000010001071c4e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="ff020000000000000000000000000001000004d46c000000ac14142500000000000000000000000000000000000000009201000000000000a39b000000000000ffff0000000000001c250800000000000500000000000000fcffffffffffffff0000000000000000ffffffffffffffff00000000000000001f00000000000000fefffffffffffffffafffffffcffffff000000008000000000350000020001002000000000000000480003006465666c61746500"/240], 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0) program did not crash testing program (duration=6m0s, {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}}): 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: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}}): 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: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}}): 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, 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0) program did not crash testing program (duration=6m0s, {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}}): 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)={&(0x7f0000000500)=ANY=[], 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0) program did not crash testing program (duration=6m0s, {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}}): 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)={&(0x7f0000000500)=ANY=[@ANYBLOB="380100001a000100feffffff00010000fe880000000000000000000000000001fc0100000000000000000000000000010001071c4e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB], 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0) program did not crash testing program (duration=6m0s, {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}}): 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)={&(0x7f0000000500)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="ff020000000000000000000000000001000004d46c000000ac14142500000000000000000000000000000000000000009201000000000000a39b000000000000ffff0000000000001c250800000000000500000000000000fcffffffffffffff0000000000000000ffffffffffffffff00000000000000001f00000000000000fefffffffffffffffafffffffcffffff000000008000000000350000020001002000000000000000480003006465666c61746500"/240], 0x138}, 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: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}}): 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: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}}): 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)={&(0x7f0000000500)=ANY=[@ANYBLOB="380100001a000100feffffff00010000fe880000000000000000000000000001fc0100000000000000000000000000010001071c4e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="ff020000000000000000000000000001000004d46c000000ac14142500000000000000000000000000000000000000009201000000000000a39b000000000000ffff0000000000001c250800000000000500000000000000fcffffffffffffff0000000000000000ffffffffffffffff00000000000000001f00000000000000fefffffffffffffffafffffffcffffff000000008000000000350000020001002000000000000000480003006465666c61746500"/240], 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: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}}): 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)={&(0x7f0000000500)=ANY=[@ANYBLOB="380100001a000100feffffff00010000fe880000000000000000000000000001fc0100000000000000000000000000010001071c4e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="ff020000000000000000000000000001000004d46c000000ac14142500000000000000000000000000000000000000009201000000000000a39b000000000000ffff0000000000001c250800000000000500000000000000fcffffffffffffff0000000000000000ffffffffffffffff00000000000000001f00000000000000fefffffffffffffffafffffffcffffff000000008000000000350000020001002000000000000000480003006465666c61746500"/240], 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)={&(0x7f0000000500)=ANY=[@ANYBLOB="380100001a000100feffffff00010000fe880000000000000000000000000001fc0100000000000000000000000000010001071c4e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="ff020000000000000000000000000001000004d46c000000ac14142500000000000000000000000000000000000000009201000000000000a39b000000000000ffff0000000000001c250800000000000500000000000000fcffffffffffffff0000000000000000ffffffffffffffff00000000000000001f00000000000000fefffffffffffffffafffffffcffffff000000008000000000350000020001002000000000000000480003006465666c61746500"/240], 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)={&(0x7f0000000500)=ANY=[@ANYBLOB="380100001a000100feffffff00010000fe880000000000000000000000000001fc0100000000000000000000000000010001071c4e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="ff020000000000000000000000000001000004d46c000000ac14142500000000000000000000000000000000000000009201000000000000a39b000000000000ffff0000000000001c250800000000000500000000000000fcffffffffffffff0000000000000000ffffffffffffffff00000000000000001f00000000000000fefffffffffffffffafffffffcffffff000000008000000000350000020001002000000000000000480003006465666c61746500"/240], 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)={&(0x7f0000000500)=ANY=[@ANYBLOB="380100001a000100feffffff00010000fe880000000000000000000000000001fc0100000000000000000000000000010001071c4e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="ff020000000000000000000000000001000004d46c000000ac14142500000000000000000000000000000000000000009201000000000000a39b000000000000ffff0000000000001c250800000000000500000000000000fcffffffffffffff0000000000000000ffffffffffffffff00000000000000001f00000000000000fefffffffffffffffafffffffcffffff000000008000000000350000020001002000000000000000480003006465666c61746500"/240], 0x138}, 0x1, 0x0, 0x0, 0x8801}, 0x0) program crashed: WARNING in xfrm_state_fini validation run: crashed=true reproducing took 1h16m45.174844033s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: net/xfrm/xfrm_state.c:3306 at xfrm_state_fini+0x26d/0x2f0 net/xfrm/xfrm_state.c:3306, CPU#0: kworker/u8:6/3009 Modules linked in: CPU: 0 UID: 0 PID: 3009 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 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 1b 76 31 f8 48 8b 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c9 52 11 f8 e8 24 b3 cb f7 90 <0f> 0b 90 e9 fd fd ff ff e8 16 b3 cb f7 90 0f 0b 90 e9 60 fe ff ff RSP: 0018:ffffc9000bf17878 EFLAGS: 00010293 RAX: ffffffff89f4a98c RBX: ffff8880791b4780 RCX: ffff88802f5c5ac0 RDX: 0000000000000000 RSI: ffffffff8d9e0056 RDI: ffff88802f5c5ac0 RBP: ffffc9000bf17990 R08: ffffffff8f9dd577 R09: 1ffffffff1f3baae R10: dffffc0000000000 R11: fffffbfff1f3baaf R12: ffffffff8f5e1340 R13: 1ffff920017e2f3c R14: ffff8880791b5c40 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125d22000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fee02d2fa10 CR3: 00000000429d8000 CR4: 00000000003526f0 Call Trace: 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+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: net/xfrm/xfrm_state.c:3306 at xfrm_state_fini+0x26d/0x2f0 net/xfrm/xfrm_state.c:3306, CPU#0: kworker/u8:6/3009 Modules linked in: CPU: 0 UID: 0 PID: 3009 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 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 1b 76 31 f8 48 8b 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c9 52 11 f8 e8 24 b3 cb f7 90 <0f> 0b 90 e9 fd fd ff ff e8 16 b3 cb f7 90 0f 0b 90 e9 60 fe ff ff RSP: 0018:ffffc9000bf17878 EFLAGS: 00010293 RAX: ffffffff89f4a98c RBX: ffff8880791b4780 RCX: ffff88802f5c5ac0 RDX: 0000000000000000 RSI: ffffffff8d9e0056 RDI: ffff88802f5c5ac0 RBP: ffffc9000bf17990 R08: ffffffff8f9dd577 R09: 1ffffffff1f3baae R10: dffffc0000000000 R11: fffffbfff1f3baaf R12: ffffffff8f5e1340 R13: 1ffff920017e2f3c R14: ffff8880791b5c40 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125d22000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fee02d2fa10 CR3: 00000000429d8000 CR4: 00000000003526f0 Call Trace: 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+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245