./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1757651562 <...> [ 4.560176][ T23] audit: type=1400 audit(1686252130.359:10): avc: denied { getattr } for pid=144 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=9385 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 4.809022][ T161] udevd[161]: starting version 3.2.11 [ 4.853105][ T162] udevd[162]: starting eudev-3.2.11 [ 63.954148][ T23] kauditd_printk_skb: 50 callbacks suppressed [ 63.954155][ T23] audit: type=1400 audit(1686252189.779:61): avc: denied { transition } for pid=379 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 [ 63.957968][ T23] audit: type=1400 audit(1686252189.779:62): avc: denied { noatsecure } for pid=379 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 63.965678][ T23] audit: type=1400 audit(1686252189.789:63): avc: denied { write } for pid=379 comm="sh" path="pipe:[9849]" dev="pipefs" ino=9849 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 63.969102][ T23] audit: type=1400 audit(1686252189.789:64): avc: denied { rlimitinh } for pid=379 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 63.972775][ T23] audit: type=1400 audit(1686252189.789:65): avc: denied { siginh } for pid=379 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 66.479688][ T13] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.95' (ECDSA) to the list of known hosts. execve("./syz-executor1757651562", ["./syz-executor1757651562"], 0x7fffd5655920 /* 10 vars */) = 0 brk(NULL) = 0x555556dd1000 brk(0x555556dd1c40) = 0x555556dd1c40 arch_prctl(ARCH_SET_FS, 0x555556dd1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1757651562", 4096) = 28 brk(0x555556df2c40) = 0x555556df2c40 brk(0x555556df3000) = 0x555556df3000 mprotect(0x7f7bf6bb7000, 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, child_tidptr=0x555556dd15d0) = 409 ./strace-static-x86_64: Process 409 attached [pid 409] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 409] setsid() = 1 [pid 409] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 409] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 409] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 409] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 409] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 409] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 409] unshare(CLONE_NEWNS) = 0 [pid 409] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 409] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 409] unshare(CLONE_NEWCGROUP) = 0 [pid 409] unshare(CLONE_NEWUTS) = 0 [pid 409] unshare(CLONE_SYSVSEM) = 0 [pid 409] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 409] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 409] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 409] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 409] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 409] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 409] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 409] getpid() = 1 [pid 409] 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 [ 74.617367][ T409] RSP: 0018:ffff8881dbb76ea8 EFLAGS: 00010293 [ 74.623265][ T409] RAX: ffffffff837d1483 RBX: 0000000000000519 RCX: ffff8881dcdc0000 [ 74.631162][ T409] RDX: 0000000000000000 RSI: 0000000000000519 RDI: 0000000000000621 [ 74.638973][ T409] RBP: 0000000000000621 R08: ffffffff837d0eff R09: ffffed103b76edc6 [ 74.646786][ T409] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f0f9d1b0 [ 74.654604][ T409] R13: 000000000000061f R14: ffff8881f0f9d140 R15: 1ffff1103e1f3a36 [ 74.662409][ T409] FS: 0000555556dd1300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 74.671173][ T409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.677595][ T409] CR2: 0000000020001000 CR3: 00000001db9a3000 CR4: 00000000003406b0 [ 74.685408][ T409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.693216][ T409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.701027][ T409] Call Trace: [ 74.704165][ T409] ip_do_fragment+0x15e/0x2200 [ 74.708755][ T409] ? ip_fragment+0x210/0x210 [ 74.713287][ T409] ? ip_frag_next+0xad0/0xad0 [ 74.717797][ T409] ? kmem_cache_free+0x10b/0x2c0 [ 74.722569][ T409] ? __ip_finish_output+0x457/0x710 [ 74.727601][ T409] ? ip_fragment+0x9a/0x210 [ 74.731946][ T409] __ip_finish_output+0x49c/0x710 [ 74.736802][ T409] ip_output+0x19b/0x3a0 [ 74.740883][ T409] ? ip_finish_output+0x1d0/0x1d0 [ 74.745740][ T409] ? ip_mc_finish_output+0x340/0x340 [ 74.750870][ T409] iptunnel_xmit+0x476/0x850 [ 74.755290][ T409] ip_tunnel_xmit+0x1a4e/0x2320 [ 74.759979][ T409] ? tnl_update_pmtu+0xbb0/0xbb0 [ 74.764839][ T409] ? gre_build_header+0x23f/0x7a0 [ 74.769705][ T409] ipgre_xmit+0x7b3/0xac0 [ 74.773864][ T409] dev_hard_start_xmit+0x1b7/0x6b0 [ 74.778820][ T409] __dev_queue_xmit+0x14da/0x27e0 [ 74.783672][ T409] ? dev_queue_xmit+0x20/0x20 [ 74.788182][ T409] ? virtio_net_hdr_to_skb+0x9c1/0x10c0 [ 74.793846][ T409] ? fanout_demux_rollover+0xc10/0xc10 [ 74.799124][ T409] packet_sendmsg+0x472e/0x60e0 [ 74.803821][ T409] ? avc_has_perm_noaudit+0x3d0/0x3d0 [ 74.809019][ T409] ? selinux_socket_sendmsg+0x243/0x340 [ 74.814395][ T409] ? selinux_socket_accept+0x5b0/0x5b0 [ 74.819692][ T409] ? rw_copy_check_uvector+0x2a3/0x2f0 [ 74.824983][ T409] ? compat_packet_setsockopt+0x160/0x160 [ 74.830539][ T409] ? copy_page_to_iter+0x460/0x760 [ 74.835493][ T409] ? security_socket_sendmsg+0x7d/0xa0 [ 74.840781][ T409] ? compat_packet_setsockopt+0x160/0x160 [ 74.846334][ T409] ____sys_sendmsg+0x5ac/0x8f0 [ 74.850935][ T409] ? __sys_sendmsg_sock+0x2b0/0x2b0 [ 74.855968][ T409] __sys_sendmsg+0x28b/0x380 [ 74.860395][ T409] ? ____sys_sendmsg+0x8f0/0x8f0 [ 74.865169][ T409] ? ptrace_notify+0x24c/0x350 [ 74.869772][ T409] ? __do_page_fault+0x725/0xbb0 [ 74.874539][ T409] do_syscall_64+0xca/0x1c0 [ 74.878882][ T409] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 74.884605][ T409] Modules linked in: [ 74.888383][ T409] ---[ end trace e8498dfc80e7ccb5 ]--- [ 74.893682][ T409] RIP: 0010:skb_checksum_help+0x873/0x880 [ 74.899203][ T409] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c d0 fc ff ff 48 89 df e8 8e cf 16 fe e9 c3 fc ff ff e8 64 15 e7 fd 0f 0b e8 5d 15 e7 fd <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 [ 74.918665][ T409] RSP: 0018:ffff8881dbb76ea8 EFLAGS: 00010293 [ 74.924667][ T409] RAX: ffffffff837d1483 RBX: 0000000000000519 RCX: ffff8881dcdc0000 [ 74.932446][ T409] RDX: 0000000000000000 RSI: 0000000000000519 RDI: 0000000000000621 [ 74.940264][ T409] RBP: 0000000000000621 R08: ffffffff837d0eff R09: ffffed103b76edc6 [ 74.948142][ T409] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f0f9d1b0 [ 74.955976][ T409] R13: 000000000000061f R14: ffff8881f0f9d140 R15: 1ffff1103e1f3a36 [ 74.963780][ T409] FS: 0000555556dd1300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 74.972551][ T409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.978951][ T409] CR2: 0000000020001000 CR3: 00000001db9a3000 CR4: 00000000003406b0 [ 74.986810][ T409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.994586][ T409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.002414][ T409] Kernel panic - not syncing: Fatal exception in interrupt [ 75.009558][ T409] Kernel Offset: disabled [ 75.013677][ T409] Rebooting in 86400 seconds..