./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3063147221 <...> [ 5.053029][ T23] audit: type=1400 audit(1712417976.799:10): avc: denied { getattr } for pid=144 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=219 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 5.416959][ T161] udevd[161]: starting version 3.2.11 [ 5.610907][ T162] udevd[162]: starting eudev-3.2.11 [ 5.612985][ T161] udevd (161) used greatest stack depth: 23096 bytes left [ 13.317263][ T23] kauditd_printk_skb: 50 callbacks suppressed [ 13.317268][ T23] audit: type=1400 audit(1712417985.079:61): avc: denied { transition } for pid=286 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 [ 13.322000][ T23] audit: type=1400 audit(1712417985.089:62): avc: denied { noatsecure } for pid=286 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.324642][ T23] audit: type=1400 audit(1712417985.089:63): avc: denied { write } for pid=286 comm="sh" path="pipe:[10562]" dev="pipefs" ino=10562 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.328403][ T23] audit: type=1400 audit(1712417985.089:64): avc: denied { rlimitinh } for pid=286 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.331922][ T23] audit: type=1400 audit(1712417985.089:65): avc: denied { siginh } for pid=286 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. execve("./syz-executor3063147221", ["./syz-executor3063147221"], 0x7ffc737d5cf0 /* 10 vars */) = 0 brk(NULL) = 0x55555640d000 brk(0x55555640dd00) = 0x55555640dd00 arch_prctl(ARCH_SET_FS, 0x55555640d380) = 0 set_tid_address(0x55555640d650) = 354 set_robust_list(0x55555640d660, 24) = 0 rseq(0x55555640dca0, 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-executor3063147221", 4096) = 28 getrandom("\xd1\x5f\xe1\x22\x09\x65\xa7\x31", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555640dd00 brk(0x55555642ed00) = 0x55555642ed00 brk(0x55555642f000) = 0x55555642f000 mprotect(0x7f3955404000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 356 attached , child_tidptr=0x55555640d650) = 356 [pid 356] set_robust_list(0x55555640d660, 24) = 0 [pid 356] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 356] setsid() = 1 [pid 356] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 356] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 356] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 356] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 356] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 356] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 356] unshare(CLONE_NEWNS) = 0 [pid 356] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 356] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 356] unshare(CLONE_NEWCGROUP) = 0 [pid 356] unshare(CLONE_NEWUTS) = 0 [pid 356] unshare(CLONE_SYSVSEM) = 0 [pid 356] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 356] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 356] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 356] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 356] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 356] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 356] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 356] getpid() = 1 [pid 356] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 [ 22.954205][ T356] RSP: 0018:ffff8881db846ca8 EFLAGS: 00010293 [ 22.960100][ T356] RAX: ffffffff837defe3 RBX: 0000000000002997 RCX: ffff8881de7a3f00 [ 22.967910][ T356] RDX: 0000000000000000 RSI: 0000000000002997 RDI: 0000000000003536 [ 22.975726][ T356] RBP: 0000000000003536 R08: ffffffff837dea5f R09: ffffed103b708d86 [ 22.983532][ T356] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f3aee570 [ 22.991344][ T356] R13: 0000000000003534 R14: ffff8881f3aee500 R15: 1ffff1103e75dcae [ 22.999330][ T356] FS: 000055555640d380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.008107][ T356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.014533][ T356] CR2: 000000002000d000 CR3: 00000001db80b000 CR4: 00000000003406a0 [ 23.022439][ T356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.030312][ T356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.038124][ T356] Call Trace: [ 23.041263][ T356] ? __die+0xb4/0x100 [ 23.045067][ T356] ? die+0x26/0x50 [ 23.048630][ T356] ? do_trap+0x1e7/0x340 [ 23.052706][ T356] ? skb_checksum_help+0x873/0x880 [ 23.057651][ T356] ? skb_checksum_help+0x873/0x880 [ 23.062618][ T356] ? do_invalid_op+0xfb/0x110 [ 23.067110][ T356] ? skb_checksum_help+0x873/0x880 [ 23.072059][ T356] ? invalid_op+0x1e/0x30 [ 23.076223][ T356] ? skb_checksum_help+0x2ef/0x880 [ 23.081172][ T356] ? skb_checksum_help+0x873/0x880 [ 23.086119][ T356] ? skb_checksum_help+0x873/0x880 [ 23.091065][ T356] ? skb_checksum_help+0x873/0x880 [ 23.096013][ T356] validate_xmit_skb+0x654/0xc50 [ 23.100798][ T356] ? validate_xmit_skb_list+0x130/0x130 [ 23.106168][ T356] ? netdev_core_pick_tx+0xc7/0x2f0 [ 23.111203][ T356] __dev_queue_xmit+0xf7d/0x27e0 [ 23.115975][ T356] ? dev_queue_xmit+0x20/0x20 [ 23.120489][ T356] ? ip_neigh_gw4+0x283/0x300 [ 23.124999][ T356] ? ip_finish_output2+0xfc0/0xfc0 [ 23.129949][ T356] ip_finish_output2+0xb4f/0xfc0 [ 23.134724][ T356] ? xfrm_pols_put+0x17f/0x1a0 [ 23.139327][ T356] ? ip_fragment+0x210/0x210 [ 23.143748][ T356] ? __ip_finish_output+0x54a/0x710 [ 23.148784][ T356] ip_output+0x19b/0x3a0 [ 23.152862][ T356] ? ip_finish_output+0x1d0/0x1d0 [ 23.157722][ T356] ? ip_mc_finish_output+0x340/0x340 [ 23.162857][ T356] iptunnel_xmit+0x476/0x850 [ 23.167289][ T356] ip_tunnel_xmit+0x1aa7/0x26a0 [ 23.171970][ T356] ? ip_tunnel_xmit+0x1c1/0x26a0 [ 23.176729][ T356] ? tnl_update_pmtu+0xbb0/0xbb0 [ 23.181507][ T356] ? gre_build_header+0x23f/0x7a0 [ 23.186366][ T356] ipgre_xmit+0x81a/0xbf0 [ 23.190536][ T356] dev_hard_start_xmit+0x1b7/0x6b0 [ 23.195479][ T356] __dev_queue_xmit+0x14da/0x27e0 [ 23.200341][ T356] ? dev_queue_xmit+0x20/0x20 [ 23.204849][ T356] ? virtio_net_hdr_to_skb+0xa10/0x1130 [ 23.210232][ T356] ? fanout_demux_rollover+0xc10/0xc10 [ 23.215543][ T356] packet_sendmsg+0x4747/0x6100 [ 23.220217][ T356] ? avc_has_perm+0x21a/0x260 [ 23.224734][ T356] ? selinux_socket_sendmsg+0x243/0x340 [ 23.230124][ T356] ? selinux_socket_accept+0x5b0/0x5b0 [ 23.235403][ T356] ? rw_copy_check_uvector+0x2a3/0x2f0 [ 23.240696][ T356] ? compat_packet_setsockopt+0x160/0x160 [ 23.246251][ T356] ? __kfifo_out+0x1ee/0x1f0 [ 23.250689][ T356] ? security_socket_sendmsg+0x7d/0xa0 [ 23.255983][ T356] ? compat_packet_setsockopt+0x160/0x160 [ 23.261532][ T356] ____sys_sendmsg+0x5ac/0x8f0 [ 23.266128][ T356] ? __sys_sendmsg_sock+0x2b0/0x2b0 [ 23.271160][ T356] __sys_sendmsg+0x28b/0x380 [ 23.275585][ T356] ? ____sys_sendmsg+0x8f0/0x8f0 [ 23.280360][ T356] ? ptrace_notify+0x24c/0x350 [ 23.284965][ T356] ? __do_page_fault+0x725/0xbb0 [ 23.289737][ T356] do_syscall_64+0xca/0x1c0 [ 23.294072][ T356] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 23.299800][ T356] Modules linked in: [ 23.303651][ T356] ---[ end trace df8c96075c43db1e ]--- [ 23.308870][ T356] RIP: 0010:skb_checksum_help+0x873/0x880 [ 23.314385][ T356] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c d0 fc ff ff 48 89 df e8 2e 2b 16 fe e9 c3 fc ff ff e8 44 57 e6 fd 0f 0b e8 3d 57 e6 fd <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 [ 23.333861][ T356] RSP: 0018:ffff8881db846ca8 EFLAGS: 00010293 [ 23.339746][ T356] RAX: ffffffff837defe3 RBX: 0000000000002997 RCX: ffff8881de7a3f00 [ 23.347532][ T356] RDX: 0000000000000000 RSI: 0000000000002997 RDI: 0000000000003536 [ 23.355394][ T356] RBP: 0000000000003536 R08: ffffffff837dea5f R09: ffffed103b708d86 [ 23.363182][ T356] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f3aee570 [ 23.370997][ T356] R13: 0000000000003534 R14: ffff8881f3aee500 R15: 1ffff1103e75dcae [ 23.378796][ T356] FS: 000055555640d380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.388027][ T356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.394416][ T356] CR2: 000000002000d000 CR3: 00000001db80b000 CR4: 00000000003406a0 [ 23.402253][ T356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.410060][ T356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.417877][ T356] Kernel panic - not syncing: Fatal exception in interrupt [ 23.425096][ T356] Kernel Offset: disabled [ 23.429210][ T356] Rebooting in 86400 seconds..