Extracting prog: 6m49.216486671s Minimizing prog: 46m15.540804311s Simplifying prog options: 12m19.272061917s Extracting C: 1m33.985000511s 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0) 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in corrupted single: successfully extracted reproducer found reproducer with 7 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) socket(0x14, 0x2, 0x4) 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x61d0, 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 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$nl_generic-syz_init_net_socket$bt_hci-close-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 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$nl_generic-syz_init_net_socket$bt_hci-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 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$nl_generic-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 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}}): syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX program crashed: WARNING: ODEBUG bug in lane_ioctl a never seen crash title: WARNING: ODEBUG bug in lane_ioctl, 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0) program did not crash testing program (duration=6m0s, {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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in corrupted validation run: crashed=true 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in corrupted validation run: crashed=true 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$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in corrupted validation run: crashed=true reproducing took 1h12m50.376847591s repro crashed as (corrupted=true): ------------[ cut here ]------------ ODEBUG: init active (active state 0) object: ffff88801d744f38 object type: timer_list hint: lec_arp_check_expire+0x0/0xc90 net/atm/lec.c:-1 WARNING: lib/debugobjects.c:643 at debug_print_object lib/debugobjects.c:640 [inline], CPU#0: syz.0.315/7612 WARNING: lib/debugobjects.c:643 at __debug_object_init+0x2b1/0x4e0 lib/debugobjects.c:791, CPU#0: syz.0.315/7612 Modules linked in: CPU: 0 UID: 0 PID: 7612 Comm: syz.0.315 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:debug_print_object lib/debugobjects.c:640 [inline] RIP: 0010:__debug_object_init+0x30f/0x4e0 lib/debugobjects.c:791 Code: 3c 38 00 74 08 4c 89 ef e8 be 00 6c fd 4d 8b 4d 00 4c 89 f7 48 c7 c6 c0 9a 2a 8c 4c 89 e2 8b 4c 24 08 4c 8b 04 24 ff 74 24 10 <67> 48 0f b9 3a 48 83 c4 08 ff 05 2e c0 70 0b 83 fd 03 75 3f 4c 8b RSP: 0018:ffffc9000cedf8f8 EFLAGS: 00010246 RAX: 1ffffffff179e89c RBX: ffff88801d744f38 RCX: 0000000000000000 RDX: ffffffff8c2a9ec0 RSI: ffffffff8c2a9ac0 RDI: ffffffff903f2640 RBP: 0000000000000003 R08: ffff88801d744f38 R09: ffffffff8bcf5840 R10: dffffc0000000000 R11: ffffffff81b2d130 R12: ffffffff8c2a9ec0 R13: ffffffff8bcf44e0 R14: ffffffff903f2640 R15: dffffc0000000000 FS: 00007f0c1a5106c0(0000) GS:ffff8881251f3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f585b1f4e9c CR3: 000000007554e000 CR4: 00000000003526f0 Call Trace: ---------------- Code disassembly (best guess): 0: 3c 38 cmp $0x38,%al 2: 00 74 08 4c add %dh,0x4c(%rax,%rcx,1) 6: 89 ef mov %ebp,%edi 8: e8 be 00 6c fd call 0xfd6c00cb d: 4d 8b 4d 00 mov 0x0(%r13),%r9 11: 4c 89 f7 mov %r14,%rdi 14: 48 c7 c6 c0 9a 2a 8c mov $0xffffffff8c2a9ac0,%rsi 1b: 4c 89 e2 mov %r12,%rdx 1e: 8b 4c 24 08 mov 0x8(%rsp),%ecx 22: 4c 8b 04 24 mov (%rsp),%r8 26: ff 74 24 10 push 0x10(%rsp) * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 83 c4 08 add $0x8,%rsp 33: ff 05 2e c0 70 0b incl 0xb70c02e(%rip) # 0xb70c067 39: 83 fd 03 cmp $0x3,%ebp 3c: 75 3f jne 0x7d 3e: 4c rex.WR 3f: 8b .byte 0x8b report is corrupted, running repro again testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in corrupted report is corrupted, running repro again testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5) close(0x4) syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00') mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000) r0 = socket(0x14, 0x2, 0x4) ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0) program crashed: WARNING: ODEBUG bug in lane_ioctl final repro crashed as (corrupted=false): ------------[ cut here ]------------ ODEBUG: init active (active state 0) object: ffff888036e50f38 object type: timer_list hint: lec_arp_check_expire+0x0/0xc90 net/atm/lec.c:-1 WARNING: lib/debugobjects.c:643 at debug_print_object lib/debugobjects.c:640 [inline], CPU#1: syz.3.550/8771 WARNING: lib/debugobjects.c:643 at __debug_object_init+0x2b1/0x4e0 lib/debugobjects.c:791, CPU#1: syz.3.550/8771 Modules linked in: CPU: 1 UID: 0 PID: 8771 Comm: syz.3.550 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:debug_print_object lib/debugobjects.c:640 [inline] RIP: 0010:__debug_object_init+0x30f/0x4e0 lib/debugobjects.c:791 Code: 3c 38 00 74 08 4c 89 ef e8 be 00 6c fd 4d 8b 4d 00 4c 89 f7 48 c7 c6 c0 9a 2a 8c 4c 89 e2 8b 4c 24 08 4c 8b 04 24 ff 74 24 10 <67> 48 0f b9 3a 48 83 c4 08 ff 05 2e c0 70 0b 83 fd 03 75 3f 4c 8b RSP: 0018:ffffc90003e7f8f8 EFLAGS: 00010246 RAX: 1ffffffff179e89c RBX: ffff888036e50f38 RCX: 0000000000000000 RDX: ffffffff8c2a9ec0 RSI: ffffffff8c2a9ac0 RDI: ffffffff903f2640 RBP: 0000000000000003 R08: ffff888036e50f38 R09: ffffffff8bcf5840 R10: dffffc0000000000 R11: ffffffff81b2d130 R12: ffffffff8c2a9ec0 R13: ffffffff8bcf44e0 R14: ffffffff903f2640 R15: dffffc0000000000 FS: 00007f526f91e6c0(0000) GS:ffff8881252f3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f75c7d95e9c CR3: 0000000032fd0000 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+0x1579/0x2220 net/atm/lec.c:1037 ---------------- Code disassembly (best guess): 0: 3c 38 cmp $0x38,%al 2: 00 74 08 4c add %dh,0x4c(%rax,%rcx,1) 6: 89 ef mov %ebp,%edi 8: e8 be 00 6c fd call 0xfd6c00cb d: 4d 8b 4d 00 mov 0x0(%r13),%r9 11: 4c 89 f7 mov %r14,%rdi 14: 48 c7 c6 c0 9a 2a 8c mov $0xffffffff8c2a9ac0,%rsi 1b: 4c 89 e2 mov %r12,%rdx 1e: 8b 4c 24 08 mov 0x8(%rsp),%ecx 22: 4c 8b 04 24 mov (%rsp),%r8 26: ff 74 24 10 push 0x10(%rsp) * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 83 c4 08 add $0x8,%rsp 33: ff 05 2e c0 70 0b incl 0xb70c02e(%rip) # 0xb70c067 39: 83 fd 03 cmp $0x3,%ebp 3c: 75 3f jne 0x7d 3e: 4c rex.WR 3f: 8b .byte 0x8b