Extracting prog: 5m7.766457129s Minimizing prog: 58m11.779272483s Simplifying prog options: 0s Extracting C: 2m31.014738864s Simplifying C: 21m27.174555956s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-sendmsg$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$tipc(0xffffffffffffffff, 0x0, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0x21, &(0x7f0000000540), 0x4) (async) sendmsg$tipc(r1, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) (rerun: 64) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-sendmsg$tipc-setsockopt$sock_attach_bpf detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$tipc(0xffffffffffffffff, 0x0, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0x21, &(0x7f0000000540), 0x4) (async) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-sendmsg$tipc-sendmsg$tipc detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$tipc(0xffffffffffffffff, 0x0, 0x0) sendmsg$tipc(r0, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) (rerun: 64) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_attach_bpf(r0, 0x1, 0x21, &(0x7f0000000540), 0x4) (async) sendmsg$tipc(r1, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) (rerun: 64) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$sock_attach_bpf-sendmsg$tipc detailed listing: executing program 0: setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x21, &(0x7f0000000540), 0x4) (async) sendmsg$tipc(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) (rerun: 64) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_attach_bpf(r0, 0x1, 0x21, &(0x7f0000000540), 0x4) sendmsg$tipc(r1, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x21, &(0x7f0000000540), 0x4) (async) sendmsg$tipc(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) (rerun: 64) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_attach_bpf(r0, 0x1, 0x21, 0x0, 0x0) (async) sendmsg$tipc(r1, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) (rerun: 64) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_attach_bpf(r0, 0x1, 0x21, &(0x7f0000000540), 0x4) sendmsg$tipc(r1, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) (rerun: 64) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_attach_bpf(r0, 0x1, 0x21, &(0x7f0000000540), 0x4) (async) sendmsg$tipc(r1, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc detailed listing: executing program 0: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_attach_bpf(r0, 0x1, 0x21, &(0x7f0000000540), 0x4) (async) sendmsg$tipc(r1, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted reproducing took 1h27m17.735066907s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (1 GPs behind) idle=1b8c/1/0x4000000000000000 softirq=15115/15125 fqs=5243 rcu: hardirqs softirqs csw/system rcu: number: 9 0 0 rcu: cputime: 174 0 52305 ==> 52480(ms) rcu: (t=10500 jiffies g=9773 q=651 ncpus=2) CPU: 0 UID: 0 PID: 6254 Comm: syz-executor811 Not tainted 6.15.0-rc7-syzkaller-00014-gd608703fcdd9 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:rcu_read_lock_held_common kernel/rcu/update.c:113 [inline] RIP: 0010:rcu_read_lock_held+0x20/0x50 kernel/rcu/update.c:349 Code: 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 53 e8 56 a2 b0 09 85 c0 74 26 31 db e8 5b 2d 01 00 84 c0 74 20 e8 22 73 01 00 84 c0 <74> 17 48 c7 c7 e0 de f3 8d be ff ff ff ff 5b e9 3c 9e b0 09 bb 01 RSP: 0018:ffffc90003e8e440 EFLAGS: 00000202 RAX: 1ffffffff1be8601 RBX: 0000000000000000 RCX: 1b86752507e9de00 RDX: ffff888034098000 RSI: ffffffff8bc1f3a0 RDI: ffff8880b883ab20 RBP: 0000000000000055 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8af7138e R12: ffff88814d7ab000 R13: dffffc0000000000 R14: 0000000000000001 R15: dffffc0000000000 FS: 00007f5e80be16c0(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000001c0 CR3: 000000007990a000 CR4: 0000000000350ef0 Call Trace: net_generic+0x101/0x240 include/net/netns/generic.h:46 tipc_sk_lookup+0xa9/0x920 net/tipc/socket.c:2994 tipc_sk_rcv+0x3f9/0x2ba0 net/tipc/socket.c:2490 tipc_node_xmit+0x1c9/0xe90 net/tipc/node.c:1701 tipc_node_xmit_skb net/tipc/node.c:1766 [inline] tipc_node_distr_xmit+0x2a0/0x3b0 net/tipc/node.c:1781 tipc_sk_rcv+0x2636/0x2ba0 net/tipc/socket.c:2499 tipc_node_xmit+0x1c9/0xe90 net/tipc/node.c:1701 tipc_sk_push_backlog net/tipc/socket.c:1312 [inline] tipc_sk_filter_connect net/tipc/socket.c:2253 [inline] tipc_sk_filter_rcv+0x12a0/0x30b0 net/tipc/socket.c:2362 tipc_sk_enqueue net/tipc/socket.c:2443 [inline] tipc_sk_rcv+0x8a5/0x2ba0 net/tipc/socket.c:2495 tipc_node_xmit+0x1c9/0xe90 net/tipc/node.c:1701 tipc_node_xmit_skb net/tipc/node.c:1766 [inline] tipc_node_distr_xmit+0x2a0/0x3b0 net/tipc/node.c:1781 tipc_sk_backlog_rcv+0x1a1/0x230 net/tipc/socket.c:2410 sk_backlog_rcv include/net/sock.h:1132 [inline] __release_sock+0x24c/0x350 net/core/sock.c:3163 release_sock+0x5f/0x1f0 net/core/sock.c:3717 sockopt_release_sock net/core/sock.c:1157 [inline] sk_setsockopt+0x2477/0x2940 net/core/sock.c:1654 do_sock_setsockopt+0x201/0x3e0 net/socket.c:2292 __sys_setsockopt net/socket.c:2321 [inline] __do_sys_setsockopt net/socket.c:2327 [inline] __se_sys_setsockopt net/socket.c:2324 [inline] __x64_sys_setsockopt+0x18b/0x220 net/socket.c:2324 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5e80c283a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5e80be1218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f5e80be16c0 RCX: 00007f5e80c283a9 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007f5e80cb2328 R08: 0000000000000004 R09: 0000000000000000 R10: 0000200000000540 R11: 0000000000000246 R12: 0000200000000200 R13: 00007f5e80cb2320 R14: 00007f5e80cb232c R15: 00002000000001c4 report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:true Repeat:true 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:true Repeat:true 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}}): socketpair$tipc-setsockopt$sock_attach_bpf-sendmsg$tipc program crashed: INFO: rcu detected stall in corrupted final repro crashed as (corrupted=true): rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (1 GPs behind) idle=88bc/1/0x4000000000000000 softirq=14620/14628 fqs=5239 rcu: hardirqs softirqs csw/system rcu: number: 8 0 0 rcu: cputime: 149 0 52340 ==> 52490(ms) rcu: (t=10500 jiffies g=9105 q=510 ncpus=2) CPU: 0 UID: 0 PID: 5863 Comm: syz-executor119 Not tainted 6.15.0-rc7-syzkaller-00014-gd608703fcdd9 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:rcu_lock_release include/linux/rcupdate.h:341 [inline] RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:871 [inline] RIP: 0010:net_generic+0x1e0/0x240 include/net/netns/generic.h:48 Code: a6 dc c8 f6 eb 24 e8 9f dc c8 f6 c6 05 34 10 72 04 01 48 c7 c7 20 a1 8e 8c be 66 03 00 00 48 c7 c2 c0 a1 8e 8c e8 10 55 a7 f6 <48> c7 c7 e0 de f3 8d 48 89 de e8 f1 3a a7 f6 e8 dc b8 b0 f6 4c 89 RSP: 0018:ffffc90003856450 EFLAGS: 00000293 RAX: ffffffff8af714cf RBX: ffffffff8af7138e RCX: ffff888076391e00 RDX: 0000000000000000 RSI: ffffffff8bc1f3a0 RDI: ffffffff8bc1f360 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8af7138e R12: ffff888032fa4000 R13: dffffc0000000000 R14: ffff8880306b8000 R15: dffffc0000000000 FS: 00007fb5c848d6c0(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000001c0 CR3: 0000000030842000 CR4: 0000000000350ef0 Call Trace: tipc_sk_lookup+0xa9/0x920 net/tipc/socket.c:2994 tipc_sk_rcv+0x3f9/0x2ba0 net/tipc/socket.c:2490 tipc_node_xmit+0x1c9/0xe90 net/tipc/node.c:1701 tipc_node_xmit_skb net/tipc/node.c:1766 [inline] tipc_node_distr_xmit+0x2a0/0x3b0 net/tipc/node.c:1781 tipc_sk_rcv+0x2636/0x2ba0 net/tipc/socket.c:2499 tipc_node_xmit+0x1c9/0xe90 net/tipc/node.c:1701 tipc_sk_push_backlog net/tipc/socket.c:1312 [inline] tipc_sk_filter_connect net/tipc/socket.c:2253 [inline] tipc_sk_filter_rcv+0x12a0/0x30b0 net/tipc/socket.c:2362 tipc_sk_enqueue net/tipc/socket.c:2443 [inline] tipc_sk_rcv+0x8a5/0x2ba0 net/tipc/socket.c:2495 tipc_node_xmit+0x1c9/0xe90 net/tipc/node.c:1701 tipc_node_xmit_skb net/tipc/node.c:1766 [inline] tipc_node_distr_xmit+0x2a0/0x3b0 net/tipc/node.c:1781 tipc_sk_backlog_rcv+0x1a1/0x230 net/tipc/socket.c:2410 sk_backlog_rcv include/net/sock.h:1132 [inline] __release_sock+0x24c/0x350 net/core/sock.c:3163 release_sock+0x5f/0x1f0 net/core/sock.c:3717 sockopt_release_sock net/core/sock.c:1157 [inline] sk_setsockopt+0x2477/0x2940 net/core/sock.c:1654 do_sock_setsockopt+0x201/0x3e0 net/socket.c:2292 __sys_setsockopt net/socket.c:2321 [inline] __do_sys_setsockopt net/socket.c:2327 [inline] __se_sys_setsockopt net/socket.c:2324 [inline] __x64_sys_setsockopt+0x18b/0x220 net/socket.c:2324 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb5c84d43a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb5c848d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fb5c848d6c0 RCX: 00007fb5c84d43a9 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007fb5c855e328 R08: 0000000000000004 R09: 0000000000000000 R10: 0000200000000540 R11: 0000000000000246 R12: 0000200000000200 R13: 00007fb5c855e320 R14: 00007fb5c855e32c R15: 00002000000001c4