Extracting prog: 3m19.621879893s Minimizing prog: 5m0.500451509s Simplifying prog options: 5m52.902471731s Extracting C: 1m10.460359043s 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}}): syz_mount_image$ext4-openat-write$binfmt_misc-sendfile detailed listing: executing program 0: r0 = syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x8000, &(0x7f0000000100), 0x1, 0x7a2, &(0x7f0000000f80)="$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") r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x143042, 0x8d) write$binfmt_misc(r1, &(0x7f0000000140)="7d736166e1f767d1da6894494f052c03305f35e4b60110de447c27e71b1009cd983f10c6d232d76095da5fcc28ca092c78efce16769167f0990cadb354ba93ededc6d93fa75a8adf486ec6ee3b6fc14c1986ede10cb6dd1456ba431e146f9879e308140144c5f6babf3691a79a0d", 0x6e) sendfile(r0, r1, 0x0, 0x6) program crashed: BUG: corrupted list in dst_destroy program crashed: BUG: corrupted list in dst_destroy single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=45.379981939s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-write$binfmt_misc detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x8000, &(0x7f0000000100), 0x1, 0x7a2, &(0x7f0000000f80)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x143042, 0x8d) write$binfmt_misc(r0, &(0x7f0000000140)="7d736166e1f767d1da6894494f052c03305f35e4b60110de447c27e71b1009cd983f10c6d232d76095da5fcc28ca092c78efce16769167f0990cadb354ba93ededc6d93fa75a8adf486ec6ee3b6fc14c1986ede10cb6dd1456ba431e146f9879e308140144c5f6babf3691a79a0d", 0x6e) program crashed: BUG: corrupted list in dst_destroy testing program (duration=45.379981939s, {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}}): syz_mount_image$ext4-openat detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x8000, &(0x7f0000000100), 0x1, 0x7a2, &(0x7f0000000f80)="$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") openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x143042, 0x8d) program crashed: BUG: corrupted list in dst_destroy testing program (duration=45.379981939s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x8000, &(0x7f0000000100), 0x1, 0x7a2, &(0x7f0000000f80)="$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") program crashed: BUG: corrupted list in dst_destroy extracting C reproducer testing compiled C program (duration=45.379981939s, {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}}): syz_mount_image$ext4 program did not crash simplifying guilty program options testing program (duration=45.379981939s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x8000, &(0x7f0000000100), 0x1, 0x7a2, &(0x7f0000000f80)="$eJzs3ctrG9caAPBvZDuOk9xrX7hwb7oyFFpDiFynbtJCFyldlEIDgXbdxMiKSS1bwZJDbAxNKIVuCn0tCu0m6z7SXbd9bNv/oouS0IcTmtJFcRlp5Ki25CipJRn8+8HY58xD53w6M2fOaAYpgH1rPP2TizgaEe8kEaPZ/CQihmqpwYjT9fXurq8V0imJjY2Xf0lq69xZXytE0zapw1nm/xHxzZsRx3Lby62srM7PlErFpSw/WV24NFlZWT1+cWFmrjhXXDw5NT194tRTp07uXqy/fb965Na7Lzz++ek/3vjfjbe/TeJ0HMmWNcexW8ZjPHtPhtK38G+e3+3C+izpdwV4KOmhOVA/yuNojMZALdXGSC9rBgB0ywYAsA8lxgAAsM80Pge4s75WaEz9/USit356LiIO1uNv3N+sLxnM7tkdrN0HPXQnqd0ZadwdSSJibBfKH4+Ij7989dN0iqwd3EsDeuHqtYg4Pza+vf9Ptj2zkNl4fTM5vONrP7HTwo36tuNbZu+38w/001fp+OfpVuO/3Ob4J5rGPw3DLY7dh3H/4z93cxeKaSsd/z3b9Gzb3ab4M2MDWe5ftTHfUHLhYqmY9m3/joiJGBpO81O1VTdHbsnVpjImbv95u135zeO/X9977ZO0/PT/vTVyNwe3dLOzM9WZXQk+jf9axCODreJPNts/afHoTzrvbIdlvPjMWx+1W5bGn8bbmLbH310b1yMea9n+90bhyY7PJ07WdofJxk7Rwhc/fHioXfnN7Z9OafmNa4FeSNs/rVzSPv6xpPl5zcqDl/Hd9dGv2y27f/yt9/8DySu19IFs3pWZanVpKuJA8tL2+SfubdvIN9ZP4594tPXxXy+2vv9v7f/Sa8LzHcY/eOvnzx4+/u5K45/def/f0v4Pnrhxd36gXfmdtf90LTWRzemk/+u0gv/kvQMAAAAAAAAAAAAAAAAAAAAAAACATuUi4kgkufxmOpfL5+u/4f3fOJQrlSvVYxfKy4uzUfut7LEYyjW+6nK06ftQp7Lvw2/kT2zJPxkR/4mID4ZHavl8oVya7XfwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJA53Ob3/1M/Dve7dgBA1xzsdwUAgJ5z/geA/efBzv8jXasHANA7rv8BYP/p+Px/vrv1AAB6x/U/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXXb2zJl02vh9fa2Q5mcvryzPly8fny1W5vMLy4V8obx0KT9XLs+VivlCeWFzw/e3vNDV+r9SuXxpOhaXr0xWi5XqZGVl9dxCeXmxeu7iwsxc8VxxqKfRAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBnKiur8zOlUnFJYsfEyN6oxp5JDMaeqIZE1xLNvcRI/zooAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgD3urwAAAP//mFguzQ==") program crashed: BUG: corrupted list in dst_destroy extracting C reproducer testing compiled C program (duration=45.379981939s, {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}}): syz_mount_image$ext4 program did not crash testing program (duration=45.379981939s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x8000, &(0x7f0000000100), 0x1, 0x7a2, &(0x7f0000000f80)="$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") program crashed: BUG: corrupted list in dst_destroy extracting C reproducer testing compiled C program (duration=45.379981939s, {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_mount_image$ext4 program did not crash testing program (duration=45.379981939s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x8000, &(0x7f0000000100), 0x1, 0x7a2, &(0x7f0000000f80)="$eJzs3ctrG9caAPBvZDuOk9xrX7hwb7oyFFpDiFynbtJCFyldlEIDgXbdxMiKSS1bwZJDbAxNKIVuCn0tCu0m6z7SXbd9bNv/oouS0IcTmtJFcRlp5Ki25CipJRn8+8HY58xD53w6M2fOaAYpgH1rPP2TizgaEe8kEaPZ/CQihmqpwYjT9fXurq8V0imJjY2Xf0lq69xZXytE0zapw1nm/xHxzZsRx3Lby62srM7PlErFpSw/WV24NFlZWT1+cWFmrjhXXDw5NT194tRTp07uXqy/fb965Na7Lzz++ek/3vjfjbe/TeJ0HMmWNcexW8ZjPHtPhtK38G+e3+3C+izpdwV4KOmhOVA/yuNojMZALdXGSC9rBgB0ywYAsA8lxgAAsM80Pge4s75WaEz9/USit356LiIO1uNv3N+sLxnM7tkdrN0HPXQnqd0ZadwdSSJibBfKH4+Ij7989dN0iqwd3EsDeuHqtYg4Pza+vf9Ptj2zkNl4fTM5vONrP7HTwo36tuNbZu+38w/001fp+OfpVuO/3Ob4J5rGPw3DLY7dh3H/4z93cxeKaSsd/z3b9Gzb3ab4M2MDWe5ftTHfUHLhYqmY9m3/joiJGBpO81O1VTdHbsnVpjImbv95u135zeO/X9977ZO0/PT/vTVyNwe3dLOzM9WZXQk+jf9axCODreJPNts/afHoTzrvbIdlvPjMWx+1W5bGn8bbmLbH310b1yMea9n+90bhyY7PJ07WdofJxk7Rwhc/fHioXfnN7Z9OafmNa4FeSNs/rVzSPv6xpPl5zcqDl/Hd9dGv2y27f/yt9/8DySu19IFs3pWZanVpKuJA8tL2+SfubdvIN9ZP4594tPXxXy+2vv9v7f/Sa8LzHcY/eOvnzx4+/u5K45/def/f0v4Pnrhxd36gXfmdtf90LTWRzemk/+u0gv/kvQMAAAAAAAAAAAAAAAAAAAAAAACATuUi4kgkufxmOpfL5+u/4f3fOJQrlSvVYxfKy4uzUfut7LEYyjW+6nK06ftQp7Lvw2/kT2zJPxkR/4mID4ZHavl8oVya7XfwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJA53Ob3/1M/Dve7dgBA1xzsdwUAgJ5z/geA/efBzv8jXasHANA7rv8BYP/p+Px/vrv1AAB6x/U/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXXb2zJl02vh9fa2Q5mcvryzPly8fny1W5vMLy4V8obx0KT9XLs+VivlCeWFzw/e3vNDV+r9SuXxpOhaXr0xWi5XqZGVl9dxCeXmxeu7iwsxc8VxxqKfRAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBnKiur8zOlUnFJYsfEyN6oxp5JDMaeqIZE1xLNvcRI/zooAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgD3urwAAAP//mFguzQ==") program crashed: BUG: corrupted list in dst_destroy validation run: crashed=true testing program (duration=45.379981939s, {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_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x8000, &(0x7f0000000100), 0x1, 0x7a2, &(0x7f0000000f80)="$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") program crashed: BUG: corrupted list in dst_destroy validation run: crashed=true testing program (duration=45.379981939s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x8000, &(0x7f0000000100), 0x1, 0x7a2, &(0x7f0000000f80)="$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") program crashed: BUG: corrupted list in dst_destroy validation run: crashed=true reproducing took 20m8.445012047s repro crashed as (corrupted=false): list_del corruption, ffff8880791c7090->next is NULL ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:53! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 18 Comm: rcu_exp_gp_kthr Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89 RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046 RAX: 0000000000000033 RBX: ffff8880791c7090 RCX: 801b509c01c52400 RDX: 0000000000000100 RSI: 0000000080000102 RDI: 0000000000000000 RBP: 0000000000000203 R08: ffffc90000a08ae7 R09: 1ffff9200014115c R10: dffffc0000000000 R11: fffff5200014115d R12: 1ffff1100f238e12 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd61768ff8 CR3: 0000000077d22000 CR4: 00000000003526f0 Call Trace: __list_del_entry_valid include/linux/list.h:132 [inline] __list_del_entry include/linux/list.h:223 [inline] list_del_init include/linux/list.h:295 [inline] dst_destroy+0x202/0x5a0 net/core/dst.c:163 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869 handle_softirqs+0x22a/0x870 kernel/softirq.c:626 __do_softirq kernel/softirq.c:660 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:finish_task_switch+0x245/0x920 kernel/sched/core.c:5152 Code: 00 00 48 85 db 0f 85 e8 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 49 83 c4 48 4c 89 e7 e8 95 8b 1c 0a e8 40 9a 38 00 fb 4c 8b 65 c0 <49> 8d bc 24 70 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 RSP: 0018:ffffc900001778b8 EFLAGS: 00000206 RAX: 000000000000897b RBX: 0000000000000000 RCX: 0000000080000001 RDX: 0000000000000006 RSI: ffffffff8defcb55 RDI: ffffffff8c27e560 RBP: ffffc90000177910 R08: ffffffff9011e8b7 R09: 1ffffffff2023d16 R10: dffffc0000000000 R11: fffffbfff2023d17 R12: ffff88801defbd00 R13: dffffc0000000000 R14: ffff8880338a9e80 R15: ffff8880b873b898 context_switch kernel/sched/core.c:5298 [inline] __schedule+0x15e5/0x52d0 kernel/sched/core.c:6908 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7092 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline] _raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:407 [inline] __wake_up_common_lock+0x190/0x1f0 kernel/sched/wait.c:127 rcu_exp_wait_wake kernel/rcu/tree_exp.h:710 [inline] rcu_exp_sel_wait_wake+0xbd4/0x1140 kernel/rcu/tree_exp.h:726 kthread_worker_fn+0x509/0xb70 kernel/kthread.c:1025 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89 RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046 RAX: 0000000000000033 RBX: ffff8880791c7090 RCX: 801b509c01c52400 RDX: 0000000000000100 RSI: 0000000080000102 RDI: 0000000000000000 RBP: 0000000000000203 R08: ffffc90000a08ae7 R09: 1ffff9200014115c R10: dffffc0000000000 R11: fffff5200014115d R12: 1ffff1100f238e12 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd61768ff8 CR3: 0000000077d22000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 85 db test %rbx,%rbx 5: 0f 85 e8 01 00 00 jne 0x1f3 b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 10: 4c 8b 75 d0 mov -0x30(%rbp),%r14 14: 49 83 c4 48 add $0x48,%r12 18: 4c 89 e7 mov %r12,%rdi 1b: e8 95 8b 1c 0a call 0xa1c8bb5 20: e8 40 9a 38 00 call 0x389a65 25: fb sti 26: 4c 8b 65 c0 mov -0x40(%rbp),%r12 * 2a: 49 8d bc 24 70 16 00 lea 0x1670(%r12),%rdi <-- trapping instruction 31: 00 32: 48 89 f8 mov %rdi,%rax 35: 48 c1 e8 03 shr $0x3,%rax 39: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax 3e: 84 c0 test %al,%al final repro crashed as (corrupted=false): list_del corruption, ffff8880791c7090->next is NULL ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:53! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 18 Comm: rcu_exp_gp_kthr Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89 RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046 RAX: 0000000000000033 RBX: ffff8880791c7090 RCX: 801b509c01c52400 RDX: 0000000000000100 RSI: 0000000080000102 RDI: 0000000000000000 RBP: 0000000000000203 R08: ffffc90000a08ae7 R09: 1ffff9200014115c R10: dffffc0000000000 R11: fffff5200014115d R12: 1ffff1100f238e12 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd61768ff8 CR3: 0000000077d22000 CR4: 00000000003526f0 Call Trace: __list_del_entry_valid include/linux/list.h:132 [inline] __list_del_entry include/linux/list.h:223 [inline] list_del_init include/linux/list.h:295 [inline] dst_destroy+0x202/0x5a0 net/core/dst.c:163 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869 handle_softirqs+0x22a/0x870 kernel/softirq.c:626 __do_softirq kernel/softirq.c:660 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:finish_task_switch+0x245/0x920 kernel/sched/core.c:5152 Code: 00 00 48 85 db 0f 85 e8 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 49 83 c4 48 4c 89 e7 e8 95 8b 1c 0a e8 40 9a 38 00 fb 4c 8b 65 c0 <49> 8d bc 24 70 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 RSP: 0018:ffffc900001778b8 EFLAGS: 00000206 RAX: 000000000000897b RBX: 0000000000000000 RCX: 0000000080000001 RDX: 0000000000000006 RSI: ffffffff8defcb55 RDI: ffffffff8c27e560 RBP: ffffc90000177910 R08: ffffffff9011e8b7 R09: 1ffffffff2023d16 R10: dffffc0000000000 R11: fffffbfff2023d17 R12: ffff88801defbd00 R13: dffffc0000000000 R14: ffff8880338a9e80 R15: ffff8880b873b898 context_switch kernel/sched/core.c:5298 [inline] __schedule+0x15e5/0x52d0 kernel/sched/core.c:6908 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7092 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline] _raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:407 [inline] __wake_up_common_lock+0x190/0x1f0 kernel/sched/wait.c:127 rcu_exp_wait_wake kernel/rcu/tree_exp.h:710 [inline] rcu_exp_sel_wait_wake+0xbd4/0x1140 kernel/rcu/tree_exp.h:726 kthread_worker_fn+0x509/0xb70 kernel/kthread.c:1025 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89 RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046 RAX: 0000000000000033 RBX: ffff8880791c7090 RCX: 801b509c01c52400 RDX: 0000000000000100 RSI: 0000000080000102 RDI: 0000000000000000 RBP: 0000000000000203 R08: ffffc90000a08ae7 R09: 1ffff9200014115c R10: dffffc0000000000 R11: fffff5200014115d R12: 1ffff1100f238e12 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd61768ff8 CR3: 0000000077d22000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 85 db test %rbx,%rbx 5: 0f 85 e8 01 00 00 jne 0x1f3 b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 10: 4c 8b 75 d0 mov -0x30(%rbp),%r14 14: 49 83 c4 48 add $0x48,%r12 18: 4c 89 e7 mov %r12,%rdi 1b: e8 95 8b 1c 0a call 0xa1c8bb5 20: e8 40 9a 38 00 call 0x389a65 25: fb sti 26: 4c 8b 65 c0 mov -0x40(%rbp),%r12 * 2a: 49 8d bc 24 70 16 00 lea 0x1670(%r12),%rdi <-- trapping instruction 31: 00 32: 48 89 f8 mov %rdi,%rax 35: 48 c1 e8 03 shr $0x3,%rax 39: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax 3e: 84 c0 test %al,%al