./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3883865208 <...> Warning: Permanently added '10.128.0.69' (ED25519) to the list of known hosts. execve("./syz-executor3883865208", ["./syz-executor3883865208"], 0x7ffe0a658520 /* 10 vars */) = 0 brk(NULL) = 0x555555eee000 brk(0x555555eeed00) = 0x555555eeed00 arch_prctl(ARCH_SET_FS, 0x555555eee380) = 0 set_tid_address(0x555555eee650) = 295 set_robust_list(0x555555eee660, 24) = 0 rseq(0x555555eeeca0, 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-executor3883865208", 4096) = 28 getrandom("\xd1\x05\x3c\xad\x77\x73\x69\x6e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555eeed00 brk(0x555555f0fd00) = 0x555555f0fd00 brk(0x555555f10000) = 0x555555f10000 mprotect(0x7ff9975d1000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 [ 21.370414][ T28] audit: type=1400 audit(1700167807.489:66): avc: denied { execmem } for pid=295 comm="syz-executor388" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.373396][ T28] audit: type=1400 audit(1700167807.489:67): avc: denied { bpf } for pid=296 comm="syz-executor388" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 21.376353][ T28] audit: type=1400 audit(1700167807.489:68): avc: denied { prog_load } for pid=296 comm="syz-executor388" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.379920][ T84] BUG: unable to handle page fault for address: ffffffffff600000 [ 21.381754][ T84] #PF: supervisor read access in kernel mode [ 21.382557][ T84] #PF: error_code(0x0000) - not-present page [ 21.383360][ T84] PGD 6c12067 P4D 6c12067 PUD 6c14067 PMD 6c16067 PTE 0 [ 21.384292][ T84] Oops: 0000 [#1] PREEMPT SMP KASAN [ 21.385009][ T84] CPU: 1 PID: 84 Comm: syslogd Not tainted 6.1.43-syzkaller-00016-g825c17428a47 #0 [ 21.386210][ T84] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 21.387526][ T84] RIP: 0010:copy_from_kernel_nofault+0x86/0x2d0 [ 21.388355][ T84] Code: 48 89 55 d0 0f 85 de 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 1b 7d d2 ff 49 83 fd 07 76 58 4d 89 fe 49 83 c7 08 49 83 c5 f8 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 [ 21.391216][ T84] RSP: 0018:ffffc900009376b0 EFLAGS: 00010257 [ 21.397168][ T84] RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffff8881008b0000 [ 21.405073][ T84] RDX: ffff8881008b0ba0 RSI: 0000000000000008 RDI: 0000000000000007 [ 21.413317][ T84] RBP: ffffc900009376e8 R08: ffffffff81a27d75 R09: ffffed10216dbcc3 [ 21.421131][ T84] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 [ 21.429389][ T84] R13: 0000000000000000 R14: ffffc90000937728 R15: ffffc90000937730 [ 21.437286][ T84] FS: 00007fefab8b5380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.446575][ T84] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.453076][ T84] CR2: ffffffffff600000 CR3: 000000010fa75000 CR4: 00000000003506a0 [ 21.460891][ T84] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.468700][ T84] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.476512][ T84] Call Trace: [ 21.479645][ T84] [ 21.482536][ T84] ? __die_body+0x62/0xb0 [ 21.486669][ T84] ? __die+0x7e/0x90 [ 21.490401][ T84] ? 0xffffffffff600000 [ 21.494566][ T84] ? page_fault_oops+0x7f9/0xa90 [ 21.499341][ T84] ? 0xffffffffff600000 [ 21.503331][ T84] ? kernelmode_fixup_or_oops+0x270/0x270 [ 21.508908][ T84] ? __sched_clock_gtod_offset+0x100/0x100 [ 21.514617][ T84] ? finish_task_switch+0x167/0x7b0 [ 21.519793][ T84] ? 0xffffffffff600000 [ 21.523734][ T84] ? exc_page_fault+0x512/0x6e0 [ 21.528416][ T84] ? 0xffffffffff600000 [ 21.532407][ T84] ? asm_exc_page_fault+0x27/0x30 [ 21.537358][ T84] ? 0xffffffffff600000 [ 21.541352][ T84] ? copy_from_kernel_nofault+0x75/0x2d0 [ 21.546817][ T84] ? copy_from_kernel_nofault+0x86/0x2d0 [ 21.552284][ T84] ? 0xffffffffff600000 [ 21.556275][ T84] bpf_probe_read_kernel+0x2a/0x70 [ 21.561234][ T84] bpf_prog_bd8b22826c103b08+0x3a/0x3c [ 21.566516][ T84] bpf_trace_run2+0x133/0x290 [ 21.571033][ T84] ? __kasan_check_write+0x14/0x20 [ 21.575991][ T84] ? bpf_trace_run1+0x240/0x240 [ 21.580667][ T84] ? skb_release_data+0x616/0x840 [ 21.585527][ T84] ? unix_destruct_scm+0x2e5/0x350 [ 21.590473][ T84] ? skb_release_data+0x616/0x840 [ 21.595358][ T84] __bpf_trace_kfree+0x6f/0x90 [ 21.599957][ T84] ? skb_release_data+0x616/0x840 [ 21.604794][ T84] kfree+0xce/0xf0 [ 21.608357][ T84] skb_release_data+0x616/0x840 [ 21.613040][ T84] consume_skb+0xac/0x250 [ 21.617205][ T84] skb_free_datagram+0x15/0x20 [ 21.621819][ T84] __unix_dgram_recvmsg+0xcce/0x12b0 [ 21.626951][ T84] ? unix_unhash+0x10/0x10 [ 21.631180][ T84] ? avc_has_perm+0x16f/0x260 [ 21.635708][ T84] ? generic_perform_write+0x520/0x5c0 [ 21.640987][ T84] unix_dgram_recvmsg+0xb7/0xd0 [ 21.645849][ T84] ? unix_dgram_sendmsg+0x2050/0x2050 [ 21.651069][ T84] sock_read_iter+0x3b2/0x4b0 [ 21.655587][ T84] ? kernel_sock_ip_overhead+0x280/0x280 [ 21.661644][ T84] ? __kasan_check_read+0x11/0x20 [ 21.666589][ T84] ? fsnotify_perm+0x470/0x5d0 [ 21.671211][ T84] vfs_read+0x771/0xad0 [ 21.675205][ T84] ? kernel_read+0x1f0/0x1f0 [ 21.679611][ T84] ? bit_wait_io_timeout+0x120/0x120 [ 21.684764][ T84] ? __kasan_check_read+0x11/0x20 [ 21.689607][ T84] ? __fdget_pos+0x202/0x2c0 [ 21.694017][ T84] ksys_read+0x199/0x2c0 [ 21.698099][ T84] ? vfs_write+0xeb0/0xeb0 [ 21.702348][ T84] ? debug_smp_processor_id+0x17/0x20 [ 21.707558][ T84] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 21.713461][ T84] __x64_sys_read+0x7b/0x90 [ 21.717800][ T84] do_syscall_64+0x3d/0xb0 [ 21.722068][ T84] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 21.727707][ T84] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 21.733523][ T84] RIP: 0033:0x7fefaba09b6a [ 21.737962][ T84] Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83 [ 21.757675][ T84] RSP: 002b:00007ffe0f0841d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 21.765894][ T84] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fefaba09b6a [ 21.773780][ T84] RDX: 00000000000000ff RSI: 0000563b3047f300 RDI: 0000000000000000 [ 21.781678][ T84] RBP: 0000563b3047f2c0 R08: 0000000000000000 R09: 0000000000000000 [ 21.789493][ T84] R10: 0000000000001000 R11: 0000000000000246 R12: 0000563b3047f357 [ 21.797302][ T84] R13: 0000563b3047f300 R14: 0000000000000000 R15: 00007fefabbe6a80 [ 21.805118][ T84] [ 21.807977][ T84] Modules linked in: [ 21.811710][ T84] CR2: ffffffffff600000 [ 21.815705][ T84] ---[ end trace 0000000000000000 ]--- [ 21.820997][ T84] RIP: 0010:copy_from_kernel_nofault+0x86/0x2d0 [ 21.827072][ T84] Code: 48 89 55 d0 0f 85 de 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 1b 7d d2 ff 49 83 fd 07 76 58 4d 89 fe 49 83 c7 08 49 83 c5 f8 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 [ 21.846517][ T84] RSP: 0018:ffffc900009376b0 EFLAGS: 00010257 [ 21.852452][ T84] RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffff8881008b0000 [ 21.860314][ T84] RDX: ffff8881008b0ba0 RSI: 0000000000000008 RDI: 0000000000000007 [ 21.868125][ T84] RBP: ffffc900009376e8 R08: ffffffff81a27d75 R09: ffffed10216dbcc3 [ 21.876414][ T84] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 [ 21.884193][ T84] R13: 0000000000000000 R14: ffffc90000937728 R15: ffffc90000937730 [ 21.892002][ T84] FS: 00007fefab8b5380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.900983][ T84] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.907361][ T84] CR2: ffffffffff600000 CR3: 000000010fa75000 CR4: 00000000003506a0 [ 21.915177][ T84] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.922984][ T84] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.930805][ T84] Kernel panic - not syncing: Fatal exception [ 21.936939][ T84] Kernel Offset: disabled [ 21.941143][ T84] Rebooting in 86400 seconds..