Extracting prog: 5m13.209262382s Minimizing prog: 20m22.30434628s Simplifying prog options: 0s Extracting C: 52.783671227s Simplifying C: 12m46.362639188s 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$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program did not crash program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {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$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in lane_ioctl single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=2m24.283080409s, {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$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) socket(0x8, 0x4, 0x3) program did not crash testing program (duration=2m24.283080409s, {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$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(0xffffffffffffffff, 0x61d0, 0x0) program did not crash testing program (duration=2m24.283080409s, {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$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program did not crash testing program (duration=2m24.283080409s, {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$nl_route-syz_init_net_socket$bt_hci-close-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program did not crash testing program (duration=2m24.283080409s, {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$nl_route-syz_init_net_socket$bt_hci-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program did not crash testing program (duration=2m24.283080409s, {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$nl_route-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program did not crash testing program (duration=2m24.283080409s, {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_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program did not crash testing program (duration=2m24.283080409s, {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$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, 0x0) unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=2m24.283080409s, {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$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE program crashed: WARNING: ODEBUG bug in lane_ioctl simplifying C reproducer testing compiled C program (duration=2m24.283080409s, {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$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE program did not crash testing compiled C program (duration=2m24.283080409s, {Threaded:true 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$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE program did not crash testing compiled C program (duration=2m24.283080409s, {Threaded:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE program crashed: WARNING: ODEBUG bug in lane_ioctl testing compiled C program (duration=2m24.283080409s, {Threaded:true 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE program crashed: WARNING in lec_atm_close a never seen crash title: WARNING in lec_atm_close, ignore testing compiled C program (duration=2m24.283080409s, {Threaded:true 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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE program crashed: WARNING: ODEBUG bug in lane_ioctl testing compiled C program (duration=2m24.283080409s, {Threaded:true 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE program crashed: WARNING: ODEBUG bug in lane_ioctl testing compiled C program (duration=2m24.283080409s, {Threaded:true 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE program crashed: WARNING: ODEBUG bug in lane_ioctl testing program (duration=2m24.283080409s, {Threaded:true 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in lane_ioctl validation run: crashed=true testing program (duration=2m24.283080409s, {Threaded:true 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in lane_ioctl validation run: crashed=true testing program (duration=2m24.283080409s, {Threaded:true 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000200)='ns/uts\x00') unshare(0x6a040000) r0 = socket(0x8, 0x4, 0x3) ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in corrupted validation run: crashed=true reproducing took 48m27.149737148s repro crashed as (corrupted=true): ------------[ cut here ]------------ ODEBUG: init active (active state 0) object: ffff888039121138 object type: timer_list hint: lec_arp_check_expire+0x0/0xc80 net/atm/lec.c:-1 WARNING: lib/debugobjects.c:632 at debug_print_object lib/debugobjects.c:629 [inline], CPU#1: syz.1.262/7455 WARNING: lib/debugobjects.c:632 at __debug_object_init+0x2d3/0x470 lib/debugobjects.c:780, CPU#1: syz.1.262/7455 Modules linked in: CPU: 1 UID: 0 PID: 7455 Comm: syz.1.262 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:debug_print_object lib/debugobjects.c:629 [inline] RIP: 0010:__debug_object_init+0x32f/0x470 lib/debugobjects.c:780 Code: 3c 28 00 74 08 4c 89 ef e8 1e 5f 6f fd 4d 8b 4d 00 4c 89 f7 48 c7 c6 20 63 ca 8b 4c 89 fa 8b 4c 24 08 4c 8b 44 24 10 ff 34 24 <67> 48 0f b9 3a 48 83 c4 08 4c 8b 7c 24 18 ff 05 99 49 10 0b 41 83 RSP: 0018:ffffc90006a3fa98 EFLAGS: 00010246 RAX: 1ffffffff16deaac RBX: ffff888039121138 RCX: 0000000000000000 RDX: ffffffff8bca6720 RSI: ffffffff8bca6320 RDI: ffffffff8fd9d900 RBP: dffffc0000000000 R08: ffff888039121138 R09: ffffffff8b6f68e0 R10: dffffc0000000000 R11: ffffffff81b15270 R12: 0000000000000003 R13: ffffffff8b6f5560 R14: ffffffff8fd9d900 R15: ffffffff8bca6720 FS: 00007fc64ae166c0(0000) GS:ffff888125b62000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc64b809f00 CR3: 00000000114a2000 CR4: 00000000003526f0 Call Tr ---------------- Code disassembly (best guess): 0: 3c 28 cmp $0x28,%al 2: 00 74 08 4c add %dh,0x4c(%rax,%rcx,1) 6: 89 ef mov %ebp,%edi 8: e8 1e 5f 6f fd call 0xfd6f5f2b d: 4d 8b 4d 00 mov 0x0(%r13),%r9 11: 4c 89 f7 mov %r14,%rdi 14: 48 c7 c6 20 63 ca 8b mov $0xffffffff8bca6320,%rsi 1b: 4c 89 fa mov %r15,%rdx 1e: 8b 4c 24 08 mov 0x8(%rsp),%ecx 22: 4c 8b 44 24 10 mov 0x10(%rsp),%r8 27: ff 34 24 push (%rsp) * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 83 c4 08 add $0x8,%rsp 33: 4c 8b 7c 24 18 mov 0x18(%rsp),%r15 38: ff 05 99 49 10 0b incl 0xb104999(%rip) # 0xb1049d7 3e: 41 rex.B 3f: 83 .byte 0x83 report is corrupted, running repro again testing compiled C program (duration=2m24.283080409s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-unshare-socket-ioctl$XFS_IOC_ATTRMULTI_BY_HANDLE program crashed: WARNING: ODEBUG bug in lane_ioctl final repro crashed as (corrupted=false): ------------[ cut here ]------------ ODEBUG: init active (active state 0) object: ffff8880384e1138 object type: timer_list hint: lec_arp_check_expire+0x0/0xc80 net/atm/lec.c:-1 WARNING: lib/debugobjects.c:632 at debug_print_object lib/debugobjects.c:629 [inline], CPU#0: syz-executor208/7284 WARNING: lib/debugobjects.c:632 at __debug_object_init+0x2d3/0x470 lib/debugobjects.c:780, CPU#0: syz-executor208/7284 Modules linked in: CPU: 0 UID: 0 PID: 7284 Comm: syz-executor208 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:debug_print_object lib/debugobjects.c:629 [inline] RIP: 0010:__debug_object_init+0x32f/0x470 lib/debugobjects.c:780 Code: 3c 28 00 74 08 4c 89 ef e8 1e 5f 6f fd 4d 8b 4d 00 4c 89 f7 48 c7 c6 20 63 ca 8b 4c 89 fa 8b 4c 24 08 4c 8b 44 24 10 ff 34 24 <67> 48 0f b9 3a 48 83 c4 08 4c 8b 7c 24 18 ff 05 99 49 10 0b 41 83 RSP: 0018:ffffc90006fcfa98 EFLAGS: 00010246 RAX: 1ffffffff16deaac RBX: ffff8880384e1138 RCX: 0000000000000000 RDX: ffffffff8bca6720 RSI: ffffffff8bca6320 RDI: ffffffff8fd9d900 RBP: dffffc0000000000 R08: ffff8880384e1138 R09: ffffffff8b6f68e0 R10: dffffc0000000000 R11: ffffffff81b15270 R12: 0000000000000003 R13: ffffffff8b6f5560 R14: ffffffff8fd9d900 R15: ffffffff8bca6720 FS: 00007fd548b286c0(0000) GS:ffff888125a62000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd548b27ff8 CR3: 000000003f9a6000 CR4: 00000000003526f0 Call Trace: debug_timer_init kernel/time/timer.c:788 [inline] debug_init kernel/time/timer.c:836 [inline] timer_init_key+0x41/0x2c0 kernel/time/timer.c:880 lec_arp_init net/atm/lec.c:1274 [inline] lecd_attach net/atm/lec.c:781 [inline] lane_ioctl+0x135b/0x1fc0 net/atm/lec.c:1037 do_vcc_ioctl+0x36d/0x9d0 net/atm/ioctl.c:159 sock_do_ioctl+0x101/0x320 net/socket.c:1328 sock_ioctl+0x5c9/0x7f0 net/socket.c:1449 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd548b57759 Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd548b28158 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd548c01b68 RCX: 00007fd548b57759 RDX: 0000000000000000 RSI: 00000000000061d0 RDI: 0000000000000005 RBP: 00007fd548c01b60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd548bd24f8 R13: 00007fd548b28160 R14: 00007fd548bcc067 R15: 0000200000000200 ---------------- Code disassembly (best guess): 0: 3c 28 cmp $0x28,%al 2: 00 74 08 4c add %dh,0x4c(%rax,%rcx,1) 6: 89 ef mov %ebp,%edi 8: e8 1e 5f 6f fd call 0xfd6f5f2b d: 4d 8b 4d 00 mov 0x0(%r13),%r9 11: 4c 89 f7 mov %r14,%rdi 14: 48 c7 c6 20 63 ca 8b mov $0xffffffff8bca6320,%rsi 1b: 4c 89 fa mov %r15,%rdx 1e: 8b 4c 24 08 mov 0x8(%rsp),%ecx 22: 4c 8b 44 24 10 mov 0x10(%rsp),%r8 27: ff 34 24 push (%rsp) * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 83 c4 08 add $0x8,%rsp 33: 4c 8b 7c 24 18 mov 0x18(%rsp),%r15 38: ff 05 99 49 10 0b incl 0xb104999(%rip) # 0xb1049d7 3e: 41 rex.B 3f: 83 .byte 0x83