Extracting prog: 41.649584871s Minimizing prog: 15m15.90906694s Simplifying prog options: 0s Extracting C: 1m32.042956691s Simplifying C: 8m32.118043966s 30 programs, timeouts [30s 1m40s 6m0s] 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}}): unshare-bpf$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 detailed listing: executing program 0: unshare(0x22020400) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000080)='cpuset\x00'}, 0x30) r0 = syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000080)) pread64(r0, 0x0, 0x3a, 0x6) program crashed: WARNING in cgroup_path_ns_locked single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=53.182796074s, {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}}): unshare-bpf$BPF_TASK_FD_QUERY-syz_open_procfs$namespace detailed listing: executing program 0: unshare(0x22020400) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000080)='cpuset\x00'}, 0x30) syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000080)) program did not crash testing program (duration=53.182796074s, {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}}): unshare-bpf$BPF_TASK_FD_QUERY-pread64 detailed listing: executing program 0: unshare(0x22020400) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000080)='cpuset\x00'}, 0x30) pread64(0xffffffffffffffff, 0x0, 0x3a, 0x6) program did not crash testing program (duration=53.182796074s, {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}}): unshare-syz_open_procfs$namespace-pread64 detailed listing: executing program 0: unshare(0x22020400) r0 = syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000080)) pread64(r0, 0x0, 0x3a, 0x6) program did not crash testing program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000080)='cpuset\x00'}, 0x30) r0 = syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000080)) pread64(r0, 0x0, 0x3a, 0x6) program crashed: WARNING in cgroup_path_ns_locked testing program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000080)) pread64(r0, 0x0, 0x3a, 0x6) program did not crash testing program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0}, 0x30) r0 = syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000080)) pread64(r0, 0x0, 0x3a, 0x6) program did not crash testing program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000080)='cpuset\x00'}, 0x30) r0 = syz_open_procfs$namespace(0xffffffffffffffff, 0x0) pread64(r0, 0x0, 0x3a, 0x6) program did not crash extracting C reproducer testing compiled C program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 program crashed: WARNING in cgroup_path_ns_locked simplifying C reproducer testing compiled C program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 program crashed: WARNING in cgroup_path_ns_locked testing compiled C program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 program crashed: WARNING in cgroup_path_ns_locked testing compiled C program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 program crashed: WARNING in cgroup_path_ns_locked testing compiled C program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 program crashed: WARNING in cgroup_path_ns_locked testing compiled C program (duration=53.182796074s, {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$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 program crashed: WARNING in corrupted a never seen crash title: WARNING in corrupted, ignore testing compiled C program (duration=53.182796074s, {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:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 program crashed: WARNING in cgroup_path_ns_locked testing compiled C program (duration=53.182796074s, {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:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 program crashed: WARNING in cgroup_path_ns_locked reproducing took 26m1.719700138s repro crashed as (corrupted=true): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4024 at kernel/cgroup/cgroup.c:1424 cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] WARNING: CPU: 0 PID: 4024 at kernel/cgroup/cgroup.c:1424 cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 Modules linked in: CPU: 0 PID: 4024 Comm: syz-executor212 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] pc : cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 lr : cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] lr : cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 sp : ffff800020287700 x29: ffff800020287700 x28: ffff0000c2598130 x27: 1ffff00002956069 x26: ffff800014ca9500 x25: ffff800014ca70c0 x24: dfff800000000000 x23: ffff800014ab0000 x22: 0000000000000000 x21: ffff800014ca70d0 x20: ffff0000ccb88000 x19: 0000000000001000 x18: ffff800020287440 x17: ffff800008a19bb report is corrupted, running repro again testing compiled C program (duration=53.182796074s, {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:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-syz_open_procfs$namespace-pread64 program crashed: WARNING in cgroup_path_ns_locked final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4014 at kernel/cgroup/cgroup.c:1424 cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] WARNING: CPU: 0 PID: 4014 at kernel/cgroup/cgroup.c:1424 cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 Modules linked in: CPU: 0 PID: 4014 Comm: syz-executor140 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] pc : cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 lr : cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] lr : cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 sp : ffff80001d0c7700 x29: ffff80001d0c7700 x28: ffff0000c9fa2cc0 x27: 1ffff00002956069 x26: ffff800014ca9500 x25: ffff800014ca70c0 x24: dfff800000000000 x23: ffff800014ab0000 x22: 0000000000000000 x21: ffff800014ca70d0 x20: ffff0000cc7f0000 x19: 0000000000001000 x18: ffff80001d0c7440 x17: ffff800008a19bb0 x16: ffff8000082eae1c x15: 000000000000b57c x14: 00000000c4419ab7 x13: dfff800000000000 x12: ffff700003a18ed0 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000d8490000 x8 : ffff800008444a08 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000177746a0 x4 : 0000000000000008 x3 : ffff800014ca97c0 x2 : 0000000000001000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 proc_cpuset_show+0x298/0x42c kernel/cgroup/cpuset.c:3787 proc_single_show+0xf4/0x1cc fs/proc/base.c:778 traverse+0x1e8/0x554 fs/seq_file.c:111 seq_read_iter+0xb84/0xc44 fs/seq_file.c:195 seq_read+0x388/0x4ec fs/seq_file.c:162 vfs_read+0x278/0xb18 fs/read_write.c:483 ksys_pread64 fs/read_write.c:675 [inline] __do_sys_pread64 fs/read_write.c:685 [inline] __se_sys_pread64 fs/read_write.c:682 [inline] __arm64_sys_pread64+0x188/0x220 fs/read_write.c:682 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 13656 hardirqs last enabled at (13655): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (13655): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (13656): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (13656): [] _raw_spin_lock_irq+0x38/0x13c kernel/locking/spinlock.c:170 softirqs last enabled at (13650): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (13650): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (13645): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (13645): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (13645): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (13645): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace d36b9822239ba8db ]---