./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor807112209 <...> Warning: Permanently added '10.128.1.125' (ECDSA) to the list of known hosts. execve("./syz-executor807112209", ["./syz-executor807112209"], 0x7ffd2ef54720 /* 10 vars */) = 0 brk(NULL) = 0x555556f02000 brk(0x555556f02c40) = 0x555556f02c40 arch_prctl(ARCH_SET_FS, 0x555556f02300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor807112209", 4096) = 27 brk(0x555556f23c40) = 0x555556f23c40 brk(0x555556f24000) = 0x555556f24000 mprotect(0x7f82d0859000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f025d0) = 3613 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f025d0) = 3614 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f025d0) = 3615 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f025d0) = 3616 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f025d0) = 3617 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f025d0) = 3618 ./strace-static-x86_64: Process 3618 attached [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f025d0) = 3619 ./strace-static-x86_64: Process 3617 attached [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f025d0) = 3620 ./strace-static-x86_64: Process 3619 attached [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72./strace-static-x86_64: Process 3620 attached ./strace-static-x86_64: Process 3613 attached ./strace-static-x86_64: Process 3614 attached ./strace-static-x86_64: Process 3615 attached ./strace-static-x86_64: Process 3616 attached [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] <... prctl resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] setpgid(0, 0) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] <... clone resumed>, child_tidptr=0x555556f025d0) = 3621 [pid 3616] <... clone resumed>, child_tidptr=0x555556f025d0) = 3623 [pid 3614] <... clone resumed>, child_tidptr=0x555556f025d0) = 3624 [pid 3613] <... clone resumed>, child_tidptr=0x555556f025d0) = 3622 ./strace-static-x86_64: Process 3624 attached [pid 3620] write(3, "1000", 4) = 4 [pid 3620] close(3./strace-static-x86_64: Process 3622 attached ) = 0 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 3624] <... prctl resumed>) = 0 [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 3621 attached ./strace-static-x86_64: Process 3623 attached [pid 3624] setpgid(0, 0 [pid 3622] <... prctl resumed>) = 0 [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3621] <... prctl resumed>) = 0 [pid 3623] <... prctl resumed>) = 0 [ 42.142487][ T27] audit: type=1400 audit(1665689723.538:75): avc: denied { execmem } for pid=3612 comm="syz-executor807" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 42.168517][ T27] audit: type=1400 audit(1665689723.558:76): avc: denied { bpf } for pid=3619 comm="syz-executor807" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 3621] setpgid(0, 0 [pid 3623] setpgid(0, 0 [pid 3621] <... setpgid resumed>) = 0 [pid 3623] <... setpgid resumed>) = 0 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3621] <... openat resumed>) = 3 [pid 3623] <... openat resumed>) = 3 [pid 3623] write(3, "1000", 4 [pid 3624] <... setpgid resumed>) = 0 [pid 3622] setpgid(0, 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... setpgid resumed>) = 0 [pid 3623] <... write resumed>) = 4 [pid 3621] write(3, "1000", 4 [pid 3623] close(3) = 0 [pid 3621] <... write resumed>) = 4 [pid 3621] close(3) = 0 [pid 3623] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 3621] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 3624] <... openat resumed>) = 3 [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3624] write(3, "1000", 4 [pid 3620] <... bpf resumed>) = 3 [ 42.191699][ T27] audit: type=1400 audit(1665689723.558:77): avc: denied { prog_load } for pid=3619 comm="syz-executor807" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 42.211710][ T27] audit: type=1400 audit(1665689723.558:78): avc: denied { perfmon } for pid=3619 comm="syz-executor807" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 3621] <... bpf resumed>) = 3 [pid 3622] <... openat resumed>) = 3 [pid 3624] <... write resumed>) = 4 [pid 3622] write(3, "1000", 4 [pid 3620] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16 [pid 3624] close(3 [pid 3622] <... write resumed>) = 4 [pid 3624] <... close resumed>) = 0 [pid 3622] close(3 [pid 3619] <... bpf resumed>) = 3 [pid 3624] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 3622] <... close resumed>) = 0 [pid 3619] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16 [pid 3623] <... bpf resumed>) = 3 [pid 3621] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16 [pid 3620] <... bpf resumed>) = 4 [pid 3622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 3620] exit_group(0 [pid 3619] <... bpf resumed>) = 4 [pid 3624] <... bpf resumed>) = 3 [pid 3623] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16 [pid 3621] <... bpf resumed>) = 4 [ 42.234270][ T27] audit: type=1400 audit(1665689723.628:79): avc: denied { prog_run } for pid=3620 comm="syz-executor807" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 42.261291][ T3607] ------------[ cut here ]------------ [ 42.266790][ T3607] WARNING: CPU: 1 PID: 3607 at kernel/bpf/helpers.c:770 bpf_bprintf_prepare+0xf31/0x11a0 [ 42.276649][ T3607] Modules linked in: [ 42.280559][ T3607] CPU: 1 PID: 3607 Comm: sshd Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 42.289673][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.299722][ T3607] RIP: 0010:bpf_bprintf_prepare+0xf31/0x11a0 [ 42.305725][ T3607] Code: ff e8 13 3a ea ff 48 83 7c 24 08 00 41 bd 04 00 00 00 0f 85 8a fa ff ff e8 fc 39 ea ff 8d 6b 03 e9 f7 f6 ff ff e8 ef 39 ea ff <0f> 0b 65 ff 0d 7e 04 73 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 66 [ 42.325334][ T3607] RSP: 0018:ffffc900034564a8 EFLAGS: 00010093 [ 42.331401][ T3607] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 42.339371][ T3607] RDX: ffff8880170860c0 RSI: ffffffff81903cc1 RDI: 0000000000000005 [ 42.347342][ T3607] RBP: ffffc900034565d8 R08: 0000000000000005 R09: 0000000000000003 [ 42.355311][ T3607] R10: 0000000000000004 R11: 0000000000000001 R12: 0000000000000003 [ 42.363279][ T3607] R13: 0000000000000004 R14: ffffc90003456730 R15: 0000000000000003 [ 42.371249][ T3607] FS: 00007fa65b88f800(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 42.380184][ T3607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.386768][ T3607] CR2: 00007f82d08601d0 CR3: 000000001cc27000 CR4: 00000000003506e0 [ 42.395172][ T3607] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.403141][ T3607] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.411114][ T3607] Call Trace: [ 42.414392][ T3607] [ 42.417320][ T3607] ? bpf_bprintf_cleanup+0x60/0x60 [ 42.422451][ T3607] bpf_trace_printk+0xab/0x170 [ 42.427219][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 42.432769][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 42.438319][ T3607] ___bpf_prog_run+0x369d/0x7960 [ 42.443267][ T3607] __bpf_prog_run32+0x8a/0xd0 [ 42.447955][ T3607] ? __bpf_prog_run64+0xd0/0xd0 [ 42.452813][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.458284][ T3607] ? lock_acquire+0x480/0x570 [ 42.462958][ T3607] ? lock_release+0x780/0x780 [ 42.467637][ T3607] bpf_trace_run2+0x14d/0x3d0 [ 42.472323][ T3607] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 42.478225][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 42.483087][ T3607] __bpf_trace_contention_begin+0xb5/0xf0 [ 42.488815][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 42.493675][ T3607] __traceiter_contention_begin+0x56/0x90 [ 42.499406][ T3607] trace_contention_begin.constprop.0+0xda/0x1b0 [ 42.505736][ T3607] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 42.511816][ T3607] ? .slowpath+0xe/0xe [ 42.515888][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.521364][ T3607] ? lock_acquire+0x480/0x570 [ 42.526045][ T3607] do_raw_spin_lock+0x200/0x2a0 [ 42.530905][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 42.535846][ T3607] ? __kernel_text_address+0x9/0x30 [ 42.541058][ T3607] _raw_spin_lock_irqsave+0x41/0x50 [ 42.546261][ T3607] ? bpf_trace_printk+0xcf/0x170 [ 42.551201][ T3607] bpf_trace_printk+0xcf/0x170 [ 42.555969][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 42.561518][ T3607] ? unwind_next_frame+0xfa9/0x1cc0 [ 42.566725][ T3607] ? ____kasan_slab_free+0x13d/0x1a0 [ 42.572012][ T3607] ? __module_text_address+0xc7/0x1a0 [ 42.577393][ T3607] ? ____kasan_slab_free+0x13d/0x1a0 [ 42.582677][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 42.588227][ T3607] ___bpf_prog_run+0x369d/0x7960 [ 42.593171][ T3607] ? arch_stack_walk+0x93/0xe0 [ 42.597937][ T3607] __bpf_prog_run32+0x8a/0xd0 [ 42.602622][ T3607] ? __bpf_prog_run64+0xd0/0xd0 [ 42.607485][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.612956][ T3607] ? lock_acquire+0x480/0x570 [ 42.617637][ T3607] ? lock_release+0x780/0x780 [ 42.622317][ T3607] ? ____kasan_slab_free+0x13d/0x1a0 [ 42.627604][ T3607] ? kfree+0x173/0x390 [ 42.631690][ T3607] ? kfree_skbmem+0x166/0x1b0 [ 42.636368][ T3607] bpf_trace_run2+0x14d/0x3d0 [ 42.641050][ T3607] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 42.646947][ T3607] ? dev_hard_start_xmit+0x183/0x880 [ 42.652245][ T3607] ? ip_finish_output2+0x14d3/0x2170 [ 42.657539][ T3607] ? __ip_finish_output+0x396/0x650 [ 42.662744][ T3607] ? ip_finish_output+0x2d/0x280 [ 42.667690][ T3607] ? ip_output+0x19f/0x310 [ 42.672113][ T3607] ? __ip_queue_xmit+0x8de/0x1be0 [ 42.677148][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 42.682010][ T3607] __bpf_trace_contention_begin+0xb5/0xf0 [ 42.687739][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 42.692596][ T3607] ? do_syscall_64+0x35/0xb0 [ 42.697201][ T3607] ? lock_release+0x560/0x780 [ 42.701880][ T3607] ? debug_check_no_obj_freed+0x20c/0x420 [ 42.707613][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 42.712468][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 42.717411][ T3607] __traceiter_contention_begin+0x56/0x90 [ 42.723140][ T3607] trace_contention_begin.constprop.0+0xda/0x1b0 [ 42.729472][ T3607] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 42.735548][ T3607] ? vring_map_one_sg.isra.0+0x117/0x1e0 [ 42.741185][ T3607] ? .slowpath+0xe/0xe [ 42.745259][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.750730][ T3607] ? lock_acquire+0x480/0x570 [ 42.755405][ T3607] do_raw_spin_lock+0x200/0x2a0 [ 42.760258][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 42.765198][ T3607] _raw_spin_lock_irqsave+0x41/0x50 [ 42.770403][ T3607] ? bpf_trace_printk+0xcf/0x170 [ 42.775343][ T3607] bpf_trace_printk+0xcf/0x170 [ 42.780111][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 42.785664][ T3607] ? virtqueue_kick_prepare+0x19d/0x4c0 [ 42.791214][ T3607] ? check_buffer+0x4dc/0x7d0 [ 42.795894][ T3607] ? lock_release+0x560/0x780 [ 42.800573][ T3607] ? sch_direct_xmit+0x2f9/0xbe0 [ 42.805532][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 42.810385][ T3607] ? check_buffer+0x4dc/0x7d0 [ 42.815064][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 42.820619][ T3607] ___bpf_prog_run+0x369d/0x7960 [ 42.825564][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.831040][ T3607] __bpf_prog_run32+0x8a/0xd0 [ 42.835729][ T3607] ? __bpf_prog_run64+0xd0/0xd0 [ 42.840590][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.846063][ T3607] ? lock_acquire+0x480/0x570 [ 42.850741][ T3607] ? lock_release+0x780/0x780 [ 42.855418][ T3607] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 42.861319][ T3607] ? check_buffer+0x4dc/0x7d0 [ 42.866000][ T3607] ? rcu_barrier_tasks+0x10/0x10 [ 42.870950][ T3607] bpf_trace_run2+0x14d/0x3d0 [ 42.875634][ T3607] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 42.881532][ T3607] ? debug_object_deactivate+0x264/0x300 [ 42.887178][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 42.892040][ T3607] __bpf_trace_contention_begin+0xb5/0xf0 [ 42.897770][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 42.902630][ T3607] __traceiter_contention_begin+0x56/0x90 [ 42.908357][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 42.913207][ T3607] trace_contention_begin.constprop.0+0xda/0x1b0 [ 42.919539][ T3607] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 42.925793][ T3607] ? trace_event_buffer_commit+0x200/0xaa0 [ 42.931605][ T3607] ? .slowpath+0xe/0xe [ 42.935682][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.941151][ T3607] ? lock_acquire+0x480/0x570 [ 42.945826][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 42.950676][ T3607] do_raw_spin_lock+0x200/0x2a0 [ 42.955530][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 42.960471][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 42.965321][ T3607] _raw_spin_lock_irqsave+0x41/0x50 [ 42.970523][ T3607] ? bpf_trace_printk+0xcf/0x170 [ 42.975470][ T3607] bpf_trace_printk+0xcf/0x170 [ 42.980238][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 42.985786][ T3607] ? poll_freewait+0x119/0x250 [ 42.990575][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 42.995452][ T3607] ? do_select+0xdf3/0x16a0 [ 42.999987][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 43.005542][ T3607] ___bpf_prog_run+0x369d/0x7960 [ 43.010491][ T3607] __bpf_prog_run32+0x8a/0xd0 [ 43.015179][ T3607] ? __bpf_prog_run64+0xd0/0xd0 [ 43.020044][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.025514][ T3607] ? lock_acquire+0x480/0x570 [ 43.030193][ T3607] ? lock_release+0x780/0x780 [ 43.034869][ T3607] ? bpf_trace_run2+0x16b/0x3d0 [ 43.039726][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 43.044579][ T3607] bpf_trace_run2+0x14d/0x3d0 [ 43.049259][ T3607] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 43.055173][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.060664][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.066145][ T3607] ? lock_release+0x560/0x780 [ 43.070830][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 43.075688][ T3607] __bpf_trace_contention_begin+0xb5/0xf0 [ 43.081421][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 43.086277][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.091748][ T3607] ? lock_acquire+0x480/0x570 [ 43.096425][ T3607] ? lock_release+0x780/0x780 [ 43.101101][ T3607] ? avc_has_perm_noaudit+0x1f0/0x390 [ 43.106490][ T3607] __traceiter_contention_begin+0x56/0x90 [ 43.112219][ T3607] trace_contention_begin+0xc0/0x150 [ 43.117513][ T3607] __mutex_lock+0x13c/0x1350 [ 43.122120][ T3607] ? pipe_read+0x139/0x1100 [ 43.126643][ T3607] ? lock_release+0x560/0x780 [ 43.131319][ T3607] ? pipe_read+0x139/0x1100 [ 43.135824][ T3607] ? avc_has_perm+0xc4/0x1b0 [ 43.140425][ T3607] ? mutex_lock_io_nested+0x1190/0x1190 [ 43.145986][ T3607] ? avc_has_perm_noaudit+0x390/0x390 [ 43.151373][ T3607] ? lock_release+0x560/0x780 [ 43.156049][ T3607] ? __might_fault+0xd1/0x170 [ 43.160738][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 43.165594][ T3607] pipe_read+0x139/0x1100 [ 43.169925][ T3607] ? file_has_perm+0x25a/0x340 [ 43.174700][ T3607] ? selinux_bprm_committing_creds+0x6f0/0x6f0 [ 43.180861][ T3607] ? pipe_ioctl+0x2b0/0x2b0 [ 43.185364][ T3607] ? fsnotify_perm.part.0+0x221/0x610 [ 43.190742][ T3607] ? security_file_permission+0xab/0xd0 [ 43.196292][ T3607] vfs_read+0x7f6/0x930 [ 43.200448][ T3607] ? kernel_read+0x1c0/0x1c0 [ 43.205035][ T3607] ? lock_acquire+0x480/0x570 [ 43.209711][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.215180][ T3607] ? __ct_user_exit+0xff/0x150 [ 43.219945][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 43.224799][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 43.229649][ T3607] ? __fget_light+0x20a/0x270 [ 43.234338][ T3607] ksys_read+0x1e8/0x250 [ 43.238586][ T3607] ? vfs_write+0xdd0/0xdd0 [ 43.243022][ T3607] ? trace_hardirqs_on+0x2d/0x120 [ 43.248064][ T3607] do_syscall_64+0x35/0xb0 [ 43.252492][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.258395][ T3607] RIP: 0033:0x7fa65b4fe8fe [ 43.262807][ T3607] Code: c0 e9 e6 fe ff ff 50 48 8d 3d 0e c7 09 00 e8 c9 cf 01 00 66 0f 1f 84 00 00 00 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28 [ 43.282418][ T3607] RSP: 002b:00007fff66dd8c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 43.290833][ T3607] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa65b4fe8fe [ 43.298800][ T3607] RDX: 0000000000004000 RSI: 00007fff66dd8c18 RDI: 0000000000000009 [ 43.306768][ T3607] RBP: 0000564450d403b0 R08: 0000564450d41900 R09: 00007fff66df7080 [ 43.314738][ T3607] R10: 00007fff66df70f0 R11: 0000000000000246 R12: 000000000000002a [ 43.322711][ T3607] R13: 0000564450d3ef90 R14: 00007fff66dd8c18 R15: 0000564450d2da30 [ 43.330684][ T3607] [ 43.333701][ T3607] Kernel panic - not syncing: panic_on_warn set ... [ 43.340282][ T3607] CPU: 1 PID: 3607 Comm: sshd Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 43.349389][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.359441][ T3607] Call Trace: [ 43.362714][ T3607] [ 43.365643][ T3607] dump_stack_lvl+0xcd/0x134 [ 43.370243][ T3607] panic+0x2c8/0x622 [ 43.374154][ T3607] ? panic_print_sys_info.part.0+0x10b/0x10b [ 43.380150][ T3607] ? __warn.cold+0x248/0x2c4 [ 43.384754][ T3607] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 43.390141][ T3607] __warn.cold+0x259/0x2c4 [ 43.394571][ T3607] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 43.399959][ T3607] report_bug+0x1bc/0x210 [ 43.404308][ T3607] handle_bug+0x3c/0x70 [ 43.408476][ T3607] exc_invalid_op+0x14/0x40 [ 43.412994][ T3607] asm_exc_invalid_op+0x16/0x20 [ 43.417855][ T3607] RIP: 0010:bpf_bprintf_prepare+0xf31/0x11a0 [ 43.423851][ T3607] Code: ff e8 13 3a ea ff 48 83 7c 24 08 00 41 bd 04 00 00 00 0f 85 8a fa ff ff e8 fc 39 ea ff 8d 6b 03 e9 f7 f6 ff ff e8 ef 39 ea ff <0f> 0b 65 ff 0d 7e 04 73 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 66 [ 43.443461][ T3607] RSP: 0018:ffffc900034564a8 EFLAGS: 00010093 [ 43.449527][ T3607] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 43.457500][ T3607] RDX: ffff8880170860c0 RSI: ffffffff81903cc1 RDI: 0000000000000005 [ 43.465471][ T3607] RBP: ffffc900034565d8 R08: 0000000000000005 R09: 0000000000000003 [ 43.473441][ T3607] R10: 0000000000000004 R11: 0000000000000001 R12: 0000000000000003 [ 43.481407][ T3607] R13: 0000000000000004 R14: ffffc90003456730 R15: 0000000000000003 [ 43.489379][ T3607] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 43.494772][ T3607] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 43.500161][ T3607] ? bpf_bprintf_cleanup+0x60/0x60 [ 43.505289][ T3607] bpf_trace_printk+0xab/0x170 [ 43.510061][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 43.515614][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 43.521163][ T3607] ___bpf_prog_run+0x369d/0x7960 [ 43.526116][ T3607] __bpf_prog_run32+0x8a/0xd0 [ 43.530804][ T3607] ? __bpf_prog_run64+0xd0/0xd0 [ 43.535663][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.541134][ T3607] ? lock_acquire+0x480/0x570 [ 43.545810][ T3607] ? lock_release+0x780/0x780 [ 43.550490][ T3607] bpf_trace_run2+0x14d/0x3d0 [ 43.555176][ T3607] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 43.561078][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 43.565935][ T3607] __bpf_trace_contention_begin+0xb5/0xf0 [ 43.571664][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 43.576524][ T3607] __traceiter_contention_begin+0x56/0x90 [ 43.582256][ T3607] trace_contention_begin.constprop.0+0xda/0x1b0 [ 43.588589][ T3607] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 43.594667][ T3607] ? .slowpath+0xe/0xe [ 43.598743][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.604215][ T3607] ? lock_acquire+0x480/0x570 [ 43.608891][ T3607] do_raw_spin_lock+0x200/0x2a0 [ 43.613747][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 43.618687][ T3607] ? __kernel_text_address+0x9/0x30 [ 43.623897][ T3607] _raw_spin_lock_irqsave+0x41/0x50 [ 43.629115][ T3607] ? bpf_trace_printk+0xcf/0x170 [ 43.634059][ T3607] bpf_trace_printk+0xcf/0x170 [ 43.638829][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 43.644379][ T3607] ? unwind_next_frame+0xfa9/0x1cc0 [ 43.649586][ T3607] ? ____kasan_slab_free+0x13d/0x1a0 [ 43.654873][ T3607] ? __module_text_address+0xc7/0x1a0 [ 43.660255][ T3607] ? ____kasan_slab_free+0x13d/0x1a0 [ 43.665544][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 43.671096][ T3607] ___bpf_prog_run+0x369d/0x7960 [ 43.676041][ T3607] ? arch_stack_walk+0x93/0xe0 [ 43.680808][ T3607] __bpf_prog_run32+0x8a/0xd0 [ 43.685493][ T3607] ? __bpf_prog_run64+0xd0/0xd0 [ 43.690359][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.695829][ T3607] ? lock_acquire+0x480/0x570 [ 43.700508][ T3607] ? lock_release+0x780/0x780 [ 43.705189][ T3607] ? ____kasan_slab_free+0x13d/0x1a0 [ 43.710476][ T3607] ? kfree+0x173/0x390 [ 43.714560][ T3607] ? kfree_skbmem+0x166/0x1b0 [ 43.719242][ T3607] bpf_trace_run2+0x14d/0x3d0 [ 43.723937][ T3607] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 43.729835][ T3607] ? dev_hard_start_xmit+0x183/0x880 [ 43.735134][ T3607] ? ip_finish_output2+0x14d3/0x2170 [ 43.740428][ T3607] ? __ip_finish_output+0x396/0x650 [ 43.745635][ T3607] ? ip_finish_output+0x2d/0x280 [ 43.750584][ T3607] ? ip_output+0x19f/0x310 [ 43.755008][ T3607] ? __ip_queue_xmit+0x8de/0x1be0 [ 43.760044][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 43.764903][ T3607] __bpf_trace_contention_begin+0xb5/0xf0 [ 43.770633][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 43.775492][ T3607] ? do_syscall_64+0x35/0xb0 [ 43.780098][ T3607] ? lock_release+0x560/0x780 [ 43.784777][ T3607] ? debug_check_no_obj_freed+0x20c/0x420 [ 43.790517][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 43.795369][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 43.800310][ T3607] __traceiter_contention_begin+0x56/0x90 [ 43.806041][ T3607] trace_contention_begin.constprop.0+0xda/0x1b0 [ 43.812373][ T3607] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 43.818452][ T3607] ? vring_map_one_sg.isra.0+0x117/0x1e0 [ 43.824089][ T3607] ? .slowpath+0xe/0xe [ 43.828163][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.833636][ T3607] ? lock_acquire+0x480/0x570 [ 43.838311][ T3607] do_raw_spin_lock+0x200/0x2a0 [ 43.843162][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 43.848102][ T3607] _raw_spin_lock_irqsave+0x41/0x50 [ 43.853306][ T3607] ? bpf_trace_printk+0xcf/0x170 [ 43.858252][ T3607] bpf_trace_printk+0xcf/0x170 [ 43.863020][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 43.868571][ T3607] ? virtqueue_kick_prepare+0x19d/0x4c0 [ 43.874119][ T3607] ? check_buffer+0x4dc/0x7d0 [ 43.878799][ T3607] ? lock_release+0x560/0x780 [ 43.883477][ T3607] ? sch_direct_xmit+0x2f9/0xbe0 [ 43.888433][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 43.893282][ T3607] ? check_buffer+0x4dc/0x7d0 [ 43.897965][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 43.903517][ T3607] ___bpf_prog_run+0x369d/0x7960 [ 43.908464][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.913943][ T3607] __bpf_prog_run32+0x8a/0xd0 [ 43.918628][ T3607] ? __bpf_prog_run64+0xd0/0xd0 [ 43.923486][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.928961][ T3607] ? lock_acquire+0x480/0x570 [ 43.933639][ T3607] ? lock_release+0x780/0x780 [ 43.938313][ T3607] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 43.944214][ T3607] ? check_buffer+0x4dc/0x7d0 [ 43.948895][ T3607] ? rcu_barrier_tasks+0x10/0x10 [ 43.953849][ T3607] bpf_trace_run2+0x14d/0x3d0 [ 43.958531][ T3607] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 43.964428][ T3607] ? debug_object_deactivate+0x264/0x300 [ 43.970076][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 43.974938][ T3607] __bpf_trace_contention_begin+0xb5/0xf0 [ 43.980667][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 43.985529][ T3607] __traceiter_contention_begin+0x56/0x90 [ 43.991258][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 43.996107][ T3607] trace_contention_begin.constprop.0+0xda/0x1b0 [ 44.002438][ T3607] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 44.008517][ T3607] ? trace_event_buffer_commit+0x200/0xaa0 [ 44.014326][ T3607] ? .slowpath+0xe/0xe [ 44.018398][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 44.023869][ T3607] ? lock_acquire+0x480/0x570 [ 44.028598][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 44.033449][ T3607] do_raw_spin_lock+0x200/0x2a0 [ 44.038304][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 44.043246][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 44.048098][ T3607] _raw_spin_lock_irqsave+0x41/0x50 [ 44.053301][ T3607] ? bpf_trace_printk+0xcf/0x170 [ 44.058243][ T3607] bpf_trace_printk+0xcf/0x170 [ 44.063015][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 44.068563][ T3607] ? poll_freewait+0x119/0x250 [ 44.073339][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 44.078191][ T3607] ? do_select+0xdf3/0x16a0 [ 44.082708][ T3607] ? trace_bpf_trace_printk+0x220/0x220 [ 44.088260][ T3607] ___bpf_prog_run+0x369d/0x7960 [ 44.093209][ T3607] __bpf_prog_run32+0x8a/0xd0 [ 44.097898][ T3607] ? __bpf_prog_run64+0xd0/0xd0 [ 44.102757][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 44.108229][ T3607] ? lock_acquire+0x480/0x570 [ 44.112909][ T3607] ? lock_release+0x780/0x780 [ 44.117583][ T3607] ? bpf_trace_run2+0x16b/0x3d0 [ 44.122438][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 44.127292][ T3607] bpf_trace_run2+0x14d/0x3d0 [ 44.131975][ T3607] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 44.137873][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 44.143345][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 44.148814][ T3607] ? lock_release+0x560/0x780 [ 44.153492][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 44.158352][ T3607] __bpf_trace_contention_begin+0xb5/0xf0 [ 44.164081][ T3607] ? __bpf_trace_lock+0xe0/0xe0 [ 44.168940][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 44.174412][ T3607] ? lock_acquire+0x480/0x570 [ 44.179088][ T3607] ? lock_release+0x780/0x780 [ 44.183764][ T3607] ? avc_has_perm_noaudit+0x1f0/0x390 [ 44.189150][ T3607] __traceiter_contention_begin+0x56/0x90 [ 44.194880][ T3607] trace_contention_begin+0xc0/0x150 [ 44.200176][ T3607] __mutex_lock+0x13c/0x1350 [ 44.204777][ T3607] ? pipe_read+0x139/0x1100 [ 44.209282][ T3607] ? lock_release+0x560/0x780 [ 44.213960][ T3607] ? pipe_read+0x139/0x1100 [ 44.218463][ T3607] ? avc_has_perm+0xc4/0x1b0 [ 44.223069][ T3607] ? mutex_lock_io_nested+0x1190/0x1190 [ 44.228627][ T3607] ? avc_has_perm_noaudit+0x390/0x390 [ 44.234012][ T3607] ? lock_release+0x560/0x780 [ 44.238688][ T3607] ? __might_fault+0xd1/0x170 [ 44.243376][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 44.248226][ T3607] pipe_read+0x139/0x1100 [ 44.252557][ T3607] ? file_has_perm+0x25a/0x340 [ 44.257326][ T3607] ? selinux_bprm_committing_creds+0x6f0/0x6f0 [ 44.263487][ T3607] ? pipe_ioctl+0x2b0/0x2b0 [ 44.267992][ T3607] ? fsnotify_perm.part.0+0x221/0x610 [ 44.273365][ T3607] ? security_file_permission+0xab/0xd0 [ 44.278919][ T3607] vfs_read+0x7f6/0x930 [ 44.283074][ T3607] ? kernel_read+0x1c0/0x1c0 [ 44.287662][ T3607] ? lock_acquire+0x480/0x570 [ 44.292340][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 44.297810][ T3607] ? __ct_user_exit+0xff/0x150 [ 44.302578][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 44.307428][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 44.312281][ T3607] ? __fget_light+0x20a/0x270 [ 44.316973][ T3607] ksys_read+0x1e8/0x250 [ 44.321218][ T3607] ? vfs_write+0xdd0/0xdd0 [ 44.325633][ T3607] ? trace_hardirqs_on+0x2d/0x120 [ 44.330668][ T3607] do_syscall_64+0x35/0xb0 [ 44.335095][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.340998][ T3607] RIP: 0033:0x7fa65b4fe8fe [ 44.345412][ T3607] Code: c0 e9 e6 fe ff ff 50 48 8d 3d 0e c7 09 00 e8 c9 cf 01 00 66 0f 1f 84 00 00 00 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28 [ 44.365022][ T3607] RSP: 002b:00007fff66dd8c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 44.373434][ T3607] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa65b4fe8fe [ 44.381406][ T3607] RDX: 0000000000004000 RSI: 00007fff66dd8c18 RDI: 0000000000000009 [ 44.389376][ T3607] RBP: 0000564450d403b0 R08: 0000564450d41900 R09: 00007fff66df7080 [ 44.397348][ T3607] R10: 00007fff66df70f0 R11: 0000000000000246 R12: 000000000000002a [ 44.405319][ T3607] R13: 0000564450d3ef90 R14: 00007fff66dd8c18 R15: 0000564450d2da30 [ 44.413294][ T3607] [ 44.416469][ T3607] Kernel Offset: disabled [ 44.420794][ T3607] Rebooting in 86400 seconds..