Extracting prog: 2m3.419213132s Minimizing prog: 15m4.34927718s Simplifying prog options: 0s Extracting C: 41.613756781s Simplifying C: 8m47.412170577s 1 programs, timeouts [30s 6m0s] 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB="7a0af8ff75257025bfa100000000000007010000f8ffffffb702000005000000bf130000000000008500000006000000b700000000000000950000ff00000000"], &(0x7f0000000100)='GPL\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0xe, 0x55, &(0x7f0000000140)="a06ad876d56a0064d082778c3938", &(0x7f0000000380)=""/85, 0x0, 0x4000000}, 0x28) program crashed: WARNING in format_decode single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD detailed listing: executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB="7a0af8ff75257025bfa100000000000007010000f8ffffffb702000005000000bf130000000000008500000006000000b700000000000000950000ff00000000"], &(0x7f0000000100)='GPL\x00'}, 0x48) program did not crash testing program (duration=58.519673047s, {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}}): bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={0xffffffffffffffff, 0x2800000002000000, 0xe, 0x55, &(0x7f0000000140)="a06ad876d56a0064d082778c3938", &(0x7f0000000380)=""/85, 0x0, 0x4000000}, 0x28) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0xe, 0x55, &(0x7f0000000140)="a06ad876d56a0064d082778c3938", &(0x7f0000000380)=""/85, 0x0, 0x4000000}, 0x28) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, 0x0, &(0x7f0000000100)='GPL\x00'}, 0x90) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0xe, 0x55, &(0x7f0000000140)="a06ad876d56a0064d082778c3938", &(0x7f0000000380)=""/85, 0x0, 0x4000000}, 0x28) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB], &(0x7f0000000100)='GPL\x00'}, 0x90) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0xe, 0x55, &(0x7f0000000140)="a06ad876d56a0064d082778c3938", &(0x7f0000000380)=""/85, 0x0, 0x4000000}, 0x28) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB="7a0af8ff75257025bfa100000000000007010000f8ffffffb702000005000000bf130000000000008500000006000000b700000000000000950000ff00000000"], 0x0}, 0x90) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0xe, 0x55, &(0x7f0000000140)="a06ad876d56a0064d082778c3938", &(0x7f0000000380)=""/85, 0x0, 0x4000000}, 0x28) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB="7a0af8ff75257025bfa100000000000007010000f8ffffffb702000005000000bf130000000000008500000006000000b700000000000000950000ff00000000"], &(0x7f0000000100)='GPL\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB="7a0af8ff75257025bfa100000000000007010000f8ffffffb702000005000000bf130000000000008500000006000000b700000000000000950000ff00000000"], &(0x7f0000000100)='GPL\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0x0, 0x55, 0x0, &(0x7f0000000380)=""/85, 0x0, 0x4000000}, 0x50) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB="7a0af8ff75257025bfa100000000000007010000f8ffffffb702000005000000bf130000000000008500000006000000b700000000000000950000ff00000000"], &(0x7f0000000100)='GPL\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0x0, 0x55, &(0x7f0000000140), &(0x7f0000000380)=""/85, 0x0, 0x4000000}, 0x50) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB="7a0af8ff75257025bfa100000000000007010000f8ffffffb702000005000000bf130000000000008500000006000000b700000000000000950000ff00000000"], &(0x7f0000000100)='GPL\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0xe, 0x0, &(0x7f0000000140)="a06ad876d56a0064d082778c3938", 0x0, 0x0, 0x4000000}, 0x50) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB="7a0af8ff75257025bfa100000000000007010000f8ffffffb702000005000000bf130000000000008500000006000000b700000000000000950000ff00000000"], &(0x7f0000000100)='GPL\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0xe, 0x55, &(0x7f0000000140)="a06ad876d56a0064d082778c3938", &(0x7f0000000380)=""/85, 0x0, 0x4000000, 0x0, 0x0, 0x0}, 0x50) program did not crash testing program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x8, &(0x7f0000001000)=ANY=[@ANYBLOB="7a0af8ff75257025bfa100000000000007010000f8ffffffb702000005000000bf130000000000008500000006000000b700000000000000950000ff00000000"], &(0x7f0000000100)='GPL\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x2800000002000000, 0xe, 0x55, &(0x7f0000000140)="a06ad876d56a0064d082778c3938", &(0x7f0000000380)=""/85, 0x0, 0x4000000, 0x0, 0x0, &(0x7f0000000000), 0x0}, 0x50) program did not crash extracting C reproducer testing compiled C program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN program crashed: WARNING in format_decode simplifying C reproducer testing compiled C program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN program crashed: WARNING in format_decode testing compiled C program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN program crashed: WARNING in format_decode testing compiled C program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN program crashed: WARNING in format_decode testing compiled C program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN program crashed: WARNING in format_decode testing compiled C program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN program crashed: WARNING in format_decode testing compiled C program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN program crashed: WARNING in format_decode testing compiled C program (duration=58.519673047s, {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}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN program crashed: WARNING in format_decode reproducing took 26m36.79444746s repro crashed as (corrupted=false): ------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 0 PID: 3562 at lib/vsprintf.c:2667 format_decode+0x12d2/0x1f10 lib/vsprintf.c:2667 Modules linked in: CPU: 0 PID: 3562 Comm: syz-executor239 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:format_decode+0x12d2/0x1f10 lib/vsprintf.c:2667 Code: a7 09 01 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 30 0c 00 00 41 0f be 36 48 c7 c7 a0 27 dc 8a e8 4e 91 1d fd <0f> 0b e9 01 fa ff ff 48 8b 4c 24 18 80 e1 07 38 c1 0f 8c e3 ed ff RSP: 0018:ffffc900025a76c0 EFLAGS: 00010246 RAX: cbac2201eba49b00 RBX: 00000000ffffffdb RCX: ffff888029f48000 RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: ffffc900025a77b0 R08: ffffffff816689dc R09: fffff520004b4e19 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff0a00ffffff00 R13: ffff0000ffffff00 R14: ffffc900025a79ec R15: 1ffff920004b4f3d FS: 000055555595d380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 00000000251c5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstr_printf+0x130/0x1160 lib/vsprintf.c:3238 ____bpf_trace_printk kernel/trace/bpf_trace.c:381 [inline] bpf_trace_printk+0x1bc/0x410 kernel/trace/bpf_trace.c:366 bpf_prog_12183cdb1cd51dab+0x2e/0x4e0 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] bpf_test_run+0x3f4/0x8a0 net/bpf/test_run.c:119 bpf_prog_test_run_skb+0xb41/0x1420 net/bpf/test_run.c:669 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3368 __sys_bpf+0x3ac/0x670 kernel/bpf/syscall.c:4669 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline] __se_sys_bpf kernel/bpf/syscall.c:4753 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f53e76504e9 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:00007ffefc056ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffefc056c98 RCX: 00007f53e76504e9 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007f53e76c3610 R08: 0000000000000000 R09: 00007ffefc056c98 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffefc056c88 R14: 0000000000000001 R15: 0000000000000001 final repro crashed as (corrupted=false): ------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 0 PID: 3562 at lib/vsprintf.c:2667 format_decode+0x12d2/0x1f10 lib/vsprintf.c:2667 Modules linked in: CPU: 0 PID: 3562 Comm: syz-executor239 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:format_decode+0x12d2/0x1f10 lib/vsprintf.c:2667 Code: a7 09 01 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 30 0c 00 00 41 0f be 36 48 c7 c7 a0 27 dc 8a e8 4e 91 1d fd <0f> 0b e9 01 fa ff ff 48 8b 4c 24 18 80 e1 07 38 c1 0f 8c e3 ed ff RSP: 0018:ffffc900025a76c0 EFLAGS: 00010246 RAX: cbac2201eba49b00 RBX: 00000000ffffffdb RCX: ffff888029f48000 RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: ffffc900025a77b0 R08: ffffffff816689dc R09: fffff520004b4e19 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff0a00ffffff00 R13: ffff0000ffffff00 R14: ffffc900025a79ec R15: 1ffff920004b4f3d FS: 000055555595d380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 00000000251c5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstr_printf+0x130/0x1160 lib/vsprintf.c:3238 ____bpf_trace_printk kernel/trace/bpf_trace.c:381 [inline] bpf_trace_printk+0x1bc/0x410 kernel/trace/bpf_trace.c:366 bpf_prog_12183cdb1cd51dab+0x2e/0x4e0 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] bpf_test_run+0x3f4/0x8a0 net/bpf/test_run.c:119 bpf_prog_test_run_skb+0xb41/0x1420 net/bpf/test_run.c:669 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3368 __sys_bpf+0x3ac/0x670 kernel/bpf/syscall.c:4669 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline] __se_sys_bpf kernel/bpf/syscall.c:4753 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f53e76504e9 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:00007ffefc056ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffefc056c98 RCX: 00007f53e76504e9 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007f53e76c3610 R08: 0000000000000000 R09: 00007ffefc056c98 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffefc056c88 R14: 0000000000000001 R15: 0000000000000001