./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2822508027 <...> [ 4.821987][ T161] udevd[161]: starting version 3.2.11 [ 4.901818][ T162] udevd[162]: starting eudev-3.2.11 [ 5.684764][ T194] ip (194) used greatest stack depth: 22328 bytes left [ 13.189909][ T23] kauditd_printk_skb: 50 callbacks suppressed [ 13.189917][ T23] audit: type=1400 audit(1695814035.880:61): avc: denied { transition } for pid=287 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.196159][ T23] audit: type=1400 audit(1695814035.880:62): avc: denied { noatsecure } for pid=287 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.200433][ T23] audit: type=1400 audit(1695814035.880:63): avc: denied { write } for pid=287 comm="sh" path="pipe:[10594]" dev="pipefs" ino=10594 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.204839][ T23] audit: type=1400 audit(1695814035.880:64): avc: denied { rlimitinh } for pid=287 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.207476][ T23] audit: type=1400 audit(1695814035.880:65): avc: denied { siginh } for pid=287 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.516897][ T288] sshd (288) used greatest stack depth: 21848 bytes left Warning: Permanently added '10.128.0.175' (ED25519) to the list of known hosts. execve("./syz-executor2822508027", ["./syz-executor2822508027"], 0x7ffd54205270 /* 10 vars */) = 0 brk(NULL) = 0x555556966000 brk(0x555556966d00) = 0x555556966d00 arch_prctl(ARCH_SET_FS, 0x555556966380) = 0 set_tid_address(0x555556966650) = 355 set_robust_list(0x555556966660, 24) = 0 rseq(0x555556966ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2822508027", 4096) = 28 getrandom("\x48\x73\xa5\x48\xf5\xe0\x9a\x27", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556966d00 brk(0x555556987d00) = 0x555556987d00 brk(0x555556988000) = 0x555556988000 mprotect(0x7fe17e1a9000, 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 bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=4, insns=0x20000180, 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_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = 3 [ 21.503158][ T23] audit: type=1400 audit(1695814044.190:66): avc: denied { execmem } for pid=355 comm="syz-executor282" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.525409][ T355] kasan: CONFIG_KASAN_INLINE enabled [ 21.530593][ T355] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 21.538444][ T355] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 21.538846][ T23] audit: type=1400 audit(1695814044.220:67): avc: denied { prog_load } for pid=355 comm="syz-executor282" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.545517][ T355] CPU: 1 PID: 355 Comm: syz-executor282 Not tainted 5.4.249-syzkaller-00008-ga1b9dbe5628a #0 [ 21.564756][ T23] audit: type=1400 audit(1695814044.220:68): avc: denied { prog_run } for pid=355 comm="syz-executor282" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.575374][ T355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 21.575391][ T355] RIP: 0010:bpf_skb_ancestor_cgroup_id+0x114/0x270 [ 21.575403][ T355] Code: 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 ad a4 0c fe 48 8b 1b 48 8d bb 1c 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 2f 01 00 00 8b ab 1c 01 00 00 89 ef 44 [ 21.632243][ T355] RSP: 0018:ffff8881dbde7638 EFLAGS: 00010203 [ 21.638142][ T355] RAX: 0000000000000023 RBX: 0000000000000000 RCX: 0000000000000000 [ 21.645943][ T355] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000000011c [ 21.653763][ T355] RBP: 0000000000000080 R08: ffffffff8387517a R09: ffff8881dbde7760 [ 21.662609][ T355] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 21.670507][ T355] R13: fffffffafe0bbc6d R14: 0000000087000000 R15: ffff8881dbdf7812 [ 21.678318][ T355] FS: 0000555556966380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 21.687083][ T355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.693506][ T355] CR2: 00007f1a13054b10 CR3: 00000001dbd10000 CR4: 00000000003406a0 [ 21.701321][ T355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.709130][ T355] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.716983][ T355] Call Trace: [ 21.720081][ T355] ? __die+0xb4/0x100 [ 21.723886][ T355] ? die+0x26/0x50 [ 21.727444][ T355] ? do_general_protection+0x266/0x3c0 [ 21.732737][ T355] ? do_trap+0x340/0x340 [ 21.736819][ T355] ? __kasan_kmalloc+0x1d9/0x210 [ 21.741594][ T355] ? kmem_cache_alloc+0xd9/0x250 [ 21.746364][ T355] ? build_skb+0x26/0x440 [ 21.750531][ T355] ? bpf_prog_test_run_skb+0x302/0xf00 [ 21.755828][ T355] ? __se_sys_bpf+0x2e37/0xbcb0 [ 21.760513][ T355] ? do_syscall_64+0xca/0x1c0 [ 21.765026][ T355] ? general_protection+0x28/0x30 [ 21.769886][ T355] ? bpf_skb_ancestor_cgroup_id+0xda/0x270 [ 21.775526][ T355] ? bpf_skb_ancestor_cgroup_id+0x114/0x270 [ 21.781261][ T355] ? bpf_skb_ancestor_cgroup_id+0xda/0x270 [ 21.786898][ T355] ? bpf_test_run+0x2ae/0x6c0 [ 21.791422][ T355] ? bpf_ctx_init+0x1a0/0x1a0 [ 21.795926][ T355] ? build_skb+0x259/0x440 [ 21.800181][ T355] ? bpf_prog_test_run_skb+0x73c/0xf00 [ 21.805515][ T355] ? __bpf_trace_bpf_test_finish+0x20/0x20 [ 21.811462][ T355] ? __bpf_prog_get+0x287/0x310 [ 21.816148][ T355] ? __bpf_trace_bpf_test_finish+0x20/0x20 [ 21.821791][ T355] ? __se_sys_bpf+0x2e37/0xbcb0 [ 21.826491][ T355] ? check_preemption_disabled+0x9f/0x320 [ 21.832042][ T355] ? debug_smp_processor_id+0x20/0x20 [ 21.837240][ T355] ? check_preemption_disabled+0x9f/0x320 [ 21.842813][ T355] ? check_preemption_disabled+0x9f/0x320 [ 21.848356][ T355] ? debug_smp_processor_id+0x20/0x20 [ 21.853558][ T355] ? debug_smp_processor_id+0x20/0x20 [ 21.858772][ T355] ? __x64_sys_bpf+0x80/0x80 [ 21.863224][ T355] ? switch_mm_irqs_off+0x6b5/0xab0 [ 21.868222][ T355] ? _raw_spin_unlock_irq+0x4a/0x60 [ 21.873257][ T355] ? finish_task_switch+0x130/0x590 [ 21.878295][ T355] ? __schedule+0xb0d/0x1320 [ 21.882742][ T355] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 21.887679][ T355] ? _raw_spin_lock_irqsave+0x210/0x210 [ 21.893047][ T355] ? cgroup_update_frozen+0x157/0xab0 [ 21.898266][ T355] ? cgroup_update_frozen+0x157/0xab0 [ 21.903486][ T355] ? cgroup_leave_frozen+0x13c/0x290 [ 21.908588][ T355] ? ptrace_stop+0x6ee/0xa30 [ 21.913793][ T355] ? _raw_spin_unlock_irq+0x4a/0x60 [ 21.918825][ T355] ? ptrace_notify+0x24c/0x350 [ 21.923427][ T355] ? do_notify_parent+0xa10/0xa10 [ 21.928299][ T355] ? check_preemption_disabled+0x153/0x320 [ 21.933929][ T355] ? syscall_trace_enter+0x650/0x940 [ 21.939049][ T355] ? do_syscall_64+0xca/0x1c0 [ 21.943573][ T355] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 21.949461][ T355] Modules linked in: [ 21.953330][ T355] ---[ end trace 5081176d1eec3b5d ]--- [ 21.958532][ T355] RIP: 0010:bpf_skb_ancestor_cgroup_id+0x114/0x270 [ 21.964835][ T355] Code: 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 ad a4 0c fe 48 8b 1b 48 8d bb 1c 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 2f 01 00 00 8b ab 1c 01 00 00 89 ef 44 [ 21.984407][ T355] RSP: 0018:ffff8881dbde7638 EFLAGS: 00010203 [ 21.991094][ T355] RAX: 0000000000000023 RBX: 0000000000000000 RCX: 0000000000000000 [ 21.998899][ T355] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000000011c [ 22.006831][ T355] RBP: 0000000000000080 R08: ffffffff8387517a R09: ffff8881dbde7760 [ 22.014687][ T355] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 22.022475][ T355] R13: fffffffafe0bbc6d R14: 0000000087000000 R15: ffff8881dbdf7812 [ 22.030289][ T355] FS: 0000555556966380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.039056][ T355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.045452][ T355] CR2: 00007f1a13054b10 CR3: 00000001dbd10000 CR4: 00000000003406a0 [ 22.053301][ T355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.061093][ T355] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.068921][ T355] Kernel panic - not syncing: Fatal exception [ 22.074984][ T355] Kernel Offset: disabled [ 22.079110][ T355] Rebooting in 86400 seconds..