./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor220863190 <...> [ 2.851217][ T30] audit: type=1400 audit(1671059374.209:9): avc: denied { append open } for pid=164 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 2.854326][ T30] audit: type=1400 audit(1671059374.209:10): avc: denied { getattr } for pid=164 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 2.864707][ T166] acpid (166) used greatest stack depth: 24200 bytes left [ 3.057411][ T181] udevd[181]: starting version 3.2.10 [ 3.085287][ T182] udevd[182]: starting eudev-3.2.10 [ 3.087344][ T181] udevd (181) used greatest stack depth: 22976 bytes left [ 15.139229][ T30] kauditd_printk_skb: 49 callbacks suppressed [ 15.139245][ T30] audit: type=1400 audit(1671059386.509:60): avc: denied { transition } for pid=373 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.146391][ T30] audit: type=1400 audit(1671059386.519:61): avc: denied { write } for pid=373 comm="sh" path="pipe:[12380]" dev="pipefs" ino=12380 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 16.227714][ T385] sshd (385) used greatest stack depth: 22720 bytes left Warning: Permanently added '10.128.1.32' (ECDSA) to the list of known hosts. execve("./syz-executor220863190", ["./syz-executor220863190"], 0x7ffea66c97c0 /* 10 vars */) = 0 brk(NULL) = 0x555556fc7000 brk(0x555556fc7c40) = 0x555556fc7c40 arch_prctl(ARCH_SET_FS, 0x555556fc7300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor220863190", 4096) = 27 brk(0x555556fe8c40) = 0x555556fe8c40 brk(0x555556fe9000) = 0x555556fe9000 mprotect(0x7fe1347cb000, 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=0x555556fc75d0) = 412 ./strace-static-x86_64: Process 412 attached [pid 412] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 412] setsid() = 1 [pid 412] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 412] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 412] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 412] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 412] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 412] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 412] unshare(CLONE_NEWNS) = 0 [pid 412] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 412] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 412] unshare(CLONE_NEWCGROUP) = 0 [pid 412] unshare(CLONE_NEWUTS) = 0 [pid 412] unshare(CLONE_SYSVSEM) = 0 [pid 412] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 412] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 412] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 412] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 412] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 412] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 412] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 412] getpid() = 1 [pid 412] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 [ 24.433372][ T412] RSP: 0018:ffffc900002ff520 EFLAGS: 00010293 [ 24.439265][ T412] RAX: ffffffff83e93008 RBX: 000000000000fcd3 RCX: ffff8881183f93c0 [ 24.447074][ T412] RDX: 0000000000000000 RSI: 000000000000fcd3 RDI: 000000000000fccf [ 24.455043][ T412] RBP: ffffc900002ff5e8 R08: ffffffff83e92cb8 R09: ffffffff83e92879 [ 24.462855][ T412] R10: 0000000000000002 R11: ffff8881183f93c0 R12: ffff88810cf7e1b4 [ 24.470755][ T412] R13: 000000000000b9c6 R14: 0000000000000012 R15: 000000000000fccf [ 24.478654][ T412] FS: 0000555556fc7300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.487410][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.493919][ T412] CR2: 000000002000f000 CR3: 000000011effd000 CR4: 00000000003506b0 [ 24.501904][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.509714][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.517530][ T412] Call Trace: [ 24.520649][ T412] [ 24.523429][ T412] ? skb_network_protocol+0x680/0x680 [ 24.528636][ T412] ? do_kern_addr_fault+0x80/0x80 [ 24.533498][ T412] __skb_gso_segment+0x31b/0x4b0 [ 24.538272][ T412] validate_xmit_skb+0x2eb/0xd20 [ 24.543043][ T412] ? validate_xmit_skb_list+0x140/0x140 [ 24.548423][ T412] ? netdev_core_pick_tx+0xc9/0x320 [ 24.553459][ T412] __dev_queue_xmit+0xb67/0x1b50 [ 24.558234][ T412] ? dev_queue_xmit+0x20/0x20 [ 24.562743][ T412] ? virtio_net_hdr_to_skb+0x9f8/0x1100 [ 24.568127][ T412] ? fanout_demux_bpf+0x1f0/0x1f0 [ 24.572991][ T412] dev_queue_xmit+0x17/0x20 [ 24.577325][ T412] packet_sendmsg+0x4d93/0x69a0 [ 24.582017][ T412] ? avc_has_perm+0x218/0x260 [ 24.586657][ T412] ? avc_has_perm_noaudit+0x450/0x450 [ 24.591976][ T412] ? selinux_socket_sendmsg+0x23f/0x340 [ 24.597368][ T412] ? selinux_socket_accept+0x5b0/0x5b0 [ 24.602649][ T412] ? finish_task_switch+0x173/0x710 [ 24.607683][ T412] ? packet_getsockopt+0xea0/0xea0 [ 24.612767][ T412] ? __kasan_check_write+0x14/0x20 [ 24.617700][ T412] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 24.622655][ T412] ? security_socket_sendmsg+0xb0/0xd0 [ 24.627940][ T412] ? packet_getsockopt+0xea0/0xea0 [ 24.632892][ T412] __sys_sendto+0x560/0x720 [ 24.637230][ T412] ? cgroup_leave_frozen+0x15b/0x2b0 [ 24.642350][ T412] ? __ia32_sys_getpeername+0x90/0x90 [ 24.647639][ T412] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.652599][ T412] ? ptrace_notify+0x248/0x340 [ 24.657193][ T412] ? switch_fpu_return+0x10/0x10 [ 24.661961][ T412] ? sock_poll+0x400/0x400 [ 24.666217][ T412] __x64_sys_sendto+0xe5/0x100 [ 24.670819][ T412] do_syscall_64+0x44/0xd0 [ 24.675068][ T412] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.680882][ T412] RIP: 0033:0x7fe134757569 [ 24.685139][ T412] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 24.704578][ T412] RSP: 002b:00007ffeb8fc0108 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 24.712910][ T412] RAX: ffffffffffffffda RBX: 00007ffeb8fc0128 RCX: 00007fe134757569 [ 24.720723][ T412] RDX: 000000000000fceb RSI: 0000000020000080 RDI: 0000000000000003 [ 24.728533][ T412] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 24.736344][ T412] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeb8fc0130 [ 24.744156][ T412] R13: 00007ffeb8fc0150 R14: 0000000000000000 R15: 0000000000000000 [ 24.755393][ T412] [ 24.758252][ T412] Modules linked in: [ 24.762043][ T412] ---[ end trace 0d682b3e69c4c22a ]--- [ 24.767271][ T412] RIP: 0010:skb_mac_gso_segment+0x498/0x4a0 [ 24.773040][ T412] Code: 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c c6 fe ff ff 48 8b 7c 24 10 e8 47 d4 ca fd e9 b7 fe ff ff e8 bd 2b da 00 e8 88 6f 88 fd <0f> 0b 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 [ 24.792472][ T412] RSP: 0018:ffffc900002ff520 EFLAGS: 00010293 [ 24.798345][ T412] RAX: ffffffff83e93008 RBX: 000000000000fcd3 RCX: ffff8881183f93c0 [ 24.806197][ T412] RDX: 0000000000000000 RSI: 000000000000fcd3 RDI: 000000000000fccf [ 24.814004][ T412] RBP: ffffc900002ff5e8 R08: ffffffff83e92cb8 R09: ffffffff83e92879 [ 24.821808][ T412] R10: 0000000000000002 R11: ffff8881183f93c0 R12: ffff88810cf7e1b4 [ 24.829614][ T412] R13: 000000000000b9c6 R14: 0000000000000012 R15: 000000000000fccf [ 24.837413][ T412] FS: 0000555556fc7300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.846197][ T412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.852611][ T412] CR2: 000000002000f000 CR3: 000000011effd000 CR4: 00000000003506b0 [ 24.860430][ T412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.868215][ T412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.876148][ T412] Kernel panic - not syncing: Fatal exception in interrupt [ 24.883322][ T412] Kernel Offset: disabled [ 24.887453][ T412] Rebooting in 86400 seconds..