Extracting prog: 2m26.494799908s Minimizing prog: 8m16.473503335s Simplifying prog options: 0s Extracting C: 32.433173351s Simplifying C: 8m33.970353528s extracting reproducer from 30 programs first checking the prog from the crash report 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING detailed listing: executing program 0: r0 = socket(0x11, 0xa, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000001040)='bond0\x00', 0x10) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040)=0x1ffff, 0x4) program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=53.395371429s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE detailed listing: executing program 0: r0 = socket(0x11, 0xa, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000001040)='bond0\x00', 0x10) program did not crash testing program (duration=53.395371429s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_TIMESTAMPING detailed listing: executing program 0: r0 = socket(0x11, 0xa, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040)=0x1ffff, 0x4) program did not crash testing program (duration=53.395371429s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING detailed listing: executing program 0: setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000001040)='bond0\x00', 0x10) setsockopt$SO_TIMESTAMPING(0xffffffffffffffff, 0x1, 0x25, &(0x7f0000000040)=0x1ffff, 0x4) program did not crash testing program (duration=53.395371429s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING detailed listing: executing program 0: r0 = socket(0x11, 0xa, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, 0x0, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040)=0x1ffff, 0x4) program did not crash testing program (duration=53.395371429s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING detailed listing: executing program 0: r0 = socket(0x11, 0xa, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000001040)='bond0\x00', 0x10) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=53.395371429s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info simplifying C reproducer testing compiled C program (duration=53.395371429s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info testing compiled C program (duration=53.395371429s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info testing compiled C program (duration=53.395371429s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info testing compiled C program (duration=53.395371429s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info testing compiled C program (duration=53.395371429s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info testing compiled C program (duration=53.395371429s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info testing compiled C program (duration=53.395371429s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-setsockopt$SO_BINDTODEVICE-setsockopt$SO_TIMESTAMPING program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info reproducing took 19m49.371856381s repro crashed as (corrupted=false): ============================= WARNING: suspicious RCU usage 6.13.0-rc2-syzkaller-00424-gbc6a5efe3dcd #0 Not tainted ----------------------------- net/ethtool/common.c:873 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor167/5831: #0: ffff888035378258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1617 [inline] #0: ffff888035378258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: sockopt_lock_sock net/core/sock.c:1126 [inline] #0: ffff888035378258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: sk_setsockopt+0xf0f/0x33b0 net/core/sock.c:1285 stack backtrace: CPU: 0 UID: 0 PID: 5831 Comm: syz-executor167 Not tainted 6.13.0-rc2-syzkaller-00424-gbc6a5efe3dcd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 lockdep_rcu_suspicious+0x226/0x340 kernel/locking/lockdep.c:6845 __ethtool_get_ts_info+0x97/0x410 net/ethtool/common.c:873 ethtool_get_phc_vclocks+0xa1/0x160 net/ethtool/common.c:922 sock_timestamping_bind_phc net/core/sock.c:873 [inline] sock_set_timestamping+0x3e2/0xab0 net/core/sock.c:927 sk_setsockopt+0x2150/0x33b0 net/core/sock.c:1418 do_sock_setsockopt+0x2fb/0x720 net/socket.c:2309 __sys_setsockopt net/socket.c:2338 [inline] __do_sys_setsockopt net/socket.c:2344 [inline] __se_sys_setsockopt net/socket.c:2341 [inline] __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2341 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2573e062e9 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc258bd558 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ffc258bd728 RCX: 00007f2573e062e9 RDX: 0000000000000025 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007f2573e79610 R08: 0000000000000004 R09: 00007ffc258bd728 final repro crashed as (corrupted=false): ============================= WARNING: suspicious RCU usage 6.13.0-rc2-syzkaller-00424-gbc6a5efe3dcd #0 Not tainted ----------------------------- net/ethtool/common.c:873 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor167/5831: #0: ffff888035378258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1617 [inline] #0: ffff888035378258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: sockopt_lock_sock net/core/sock.c:1126 [inline] #0: ffff888035378258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: sk_setsockopt+0xf0f/0x33b0 net/core/sock.c:1285 stack backtrace: CPU: 0 UID: 0 PID: 5831 Comm: syz-executor167 Not tainted 6.13.0-rc2-syzkaller-00424-gbc6a5efe3dcd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 lockdep_rcu_suspicious+0x226/0x340 kernel/locking/lockdep.c:6845 __ethtool_get_ts_info+0x97/0x410 net/ethtool/common.c:873 ethtool_get_phc_vclocks+0xa1/0x160 net/ethtool/common.c:922 sock_timestamping_bind_phc net/core/sock.c:873 [inline] sock_set_timestamping+0x3e2/0xab0 net/core/sock.c:927 sk_setsockopt+0x2150/0x33b0 net/core/sock.c:1418 do_sock_setsockopt+0x2fb/0x720 net/socket.c:2309 __sys_setsockopt net/socket.c:2338 [inline] __do_sys_setsockopt net/socket.c:2344 [inline] __se_sys_setsockopt net/socket.c:2341 [inline] __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2341 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2573e062e9 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc258bd558 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ffc258bd728 RCX: 00007f2573e062e9 RDX: 0000000000000025 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007f2573e79610 R08: 0000000000000004 R09: 00007ffc258bd728