./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2214246938 <...> [ 3.507374][ T28] audit: type=1400 audit(1708217630.883:10): avc: denied { getattr } for pid=83 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 [ 3.524686][ T85] acpid (85) used greatest stack depth: 22320 bytes left [ 3.763393][ T100] udevd[100]: starting version 3.2.11 [ 3.787781][ T101] udevd[101]: starting eudev-3.2.11 [ 11.568131][ T28] kauditd_printk_skb: 50 callbacks suppressed [ 11.568147][ T28] audit: type=1400 audit(1708217638.963:61): avc: denied { transition } for pid=224 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 [ 11.577374][ T28] audit: type=1400 audit(1708217638.963:62): avc: denied { noatsecure } for pid=224 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.583191][ T28] audit: type=1400 audit(1708217638.963:63): avc: denied { write } for pid=224 comm="sh" path="pipe:[12578]" dev="pipefs" ino=12578 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 11.589617][ T28] audit: type=1400 audit(1708217638.963:64): avc: denied { rlimitinh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.592269][ T28] audit: type=1400 audit(1708217638.963:65): avc: denied { siginh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.52' (ED25519) to the list of known hosts. execve("./syz-executor2214246938", ["./syz-executor2214246938"], 0x7ffc3bb79750 /* 10 vars */) = 0 brk(NULL) = 0x5555570a4000 brk(0x5555570a4d40) = 0x5555570a4d40 arch_prctl(ARCH_SET_FS, 0x5555570a43c0) = 0 set_tid_address(0x5555570a4690) = 293 set_robust_list(0x5555570a46a0, 24) = 0 rseq(0x5555570a4ce0, 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-executor2214246938", 4096) = 28 getrandom("\xc3\x81\x55\xeb\x2e\x7e\xdf\x2e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555570a4d40 brk(0x5555570c5d40) = 0x5555570c5d40 brk(0x5555570c6000) = 0x5555570c6000 mprotect(0x7fb3c60df000, 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 futex(0x7fb3c60e53ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fb3c607e320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3c606f9a0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3c5ffa000 mprotect(0x7fb3c5ffb000, 131072, PROT_READ|PROT_WRITE) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3c601a990, parent_tid=0x7fb3c601a990, exit_signal=0, stack=0x7fb3c5ffa000, stack_size=0x20300, tls=0x7fb3c601a6c0} => {parent_tid=[294]}, 88) = 294 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 futex(0x7fb3c60e53e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 futex(0x7fb3c60e53ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x7fb3c601a9a0, 24) = 0 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] mkdir("./file0", 000) = 0 [pid 294] futex(0x7fb3c60e53ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... futex resumed>) = 0 [pid 293] futex(0x7fb3c60e53e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] futex(0x7fb3c60e53ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... futex resumed>) = 1 [pid 294] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3 [pid 294] futex(0x7fb3c60e53ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... futex resumed>) = 0 [pid 293] futex(0x7fb3c60e53e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] futex(0x7fb3c60e53ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... futex resumed>) = 1 [pid 294] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=0000000000000000040000,user_id=00000000000000000000,group_id=00000000"...) = 0 [pid 294] futex(0x7fb3c60e53ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... futex resumed>) = 0 [pid 293] futex(0x7fb3c60e53e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] futex(0x7fb3c60e53ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... futex resumed>) = 1 [pid 294] read(3, "\x68\x00\x00\x00\x1a\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x25\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x73\x01\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 104 [pid 294] futex(0x7fb3c60e53ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... futex resumed>) = 0 [pid 293] futex(0x7fb3c60e53e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] futex(0x7fb3c60e53ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... futex resumed>) = 1 [pid 294] read(3, [pid 293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 293] futex(0x7fb3c60e53ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 293] futex(0x7fb3c60e53fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3c5fd9000 [pid 293] mprotect(0x7fb3c5fda000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3c5ff9990, parent_tid=0x7fb3c5ff9990, exit_signal=0, stack=0x7fb3c5fd9000, stack_size=0x20300, tls=0x7fb3c5ff96c0} => {parent_tid=[296]}, 88) = 296 ./strace-static-x86_64: Process 296 attached [pid 293] rt_sigprocmask(SIG_SETMASK, [], [pid 296] set_robust_list(0x7fb3c5ff99a0, 24 [pid 293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... set_robust_list resumed>) = 0 [pid 293] futex(0x7fb3c60e53f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] rt_sigprocmask(SIG_SETMASK, [], [pid 293] <... futex resumed>) = 0 [pid 296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] futex(0x7fb3c60e53fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x27\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80) = 80 [pid 296] futex(0x7fb3c60e53fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 293] <... futex resumed>) = 0 [pid 293] futex(0x7fb3c60e53f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] rename("./file0/../file0/file0", "./file0/../file0/file0" [pid 293] <... futex resumed>) = 0 [pid 293] futex(0x7fb3c60e53fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... read resumed>"\x2e\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x28\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46 [pid 294] write(3, "\x91\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 145) = 145 [pid 294] futex(0x7fb3c60e53ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 21.232015][ T28] audit: type=1400 audit(1708217648.623:66): avc: denied { execmem } for pid=293 comm="syz-executor221" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.238489][ T28] audit: type=1400 audit(1708217648.623:67): avc: denied { read write } for pid=293 comm="syz-executor221" name="fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 21.243723][ T28] audit: type=1400 audit(1708217648.623:68): avc: denied { open } for pid=293 comm="syz-executor221" path="/dev/fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 21.247085][ T28] audit: type=1400 audit(1708217648.623:69): avc: denied { mounton } for pid=293 comm="syz-executor221" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 21.251071][ T28] audit: type=1400 audit(1708217648.633:70): avc: denied { mount } for pid=293 comm="syz-executor221" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 21.291971][ T296] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 21.303532][ T296] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 21.311944][ T296] CPU: 1 PID: 296 Comm: syz-executor221 Not tainted 6.1.68-syzkaller-00023-g92432f07d663 #0 [ 21.321842][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 21.331736][ T296] RIP: 0010:do_renameat2+0x62e/0x1480 [ 21.336945][ T296] Code: 08 9c ac ff 41 89 de 4c 8b 64 24 40 e9 0f 06 00 00 4c 89 b4 24 f0 00 00 00 49 89 de 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 06 84 c0 4c 8b 64 24 40 0f 85 2d 08 00 00 48 89 1c 24 [ 21.356380][ T296] RSP: 0018:ffffc90000e67c40 EFLAGS: 00010246 [ 21.362279][ T296] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffff88810961d100 [ 21.370091][ T296] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 21.377902][ T296] RBP: ffffc90000e67ef8 R08: ffffffff81caef3b R09: fffff520001ccf67 [ 21.385799][ T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 21.393612][ T296] R13: ffff888120cf3dd0 R14: 0000000000000000 R15: ffff8881002a2c60 [ 21.401424][ T296] FS: 00007fb3c5ff96c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.410277][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.416699][ T296] CR2: 000055b49938e438 CR3: 0000000121568000 CR4: 00000000003506a0 [ 21.424512][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.432321][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.440133][ T296] Call Trace: [ 21.443258][ T296] [ 21.446036][ T296] ? __die_body+0x62/0xb0 [ 21.450211][ T296] ? die_addr+0x9f/0xd0 [ 21.454197][ T296] ? exc_general_protection+0x317/0x4c0 [ 21.459594][ T296] ? asm_exc_general_protection+0x27/0x30 [ 21.465131][ T296] ? dput+0x8b/0x310 [ 21.468864][ T296] ? do_renameat2+0x62e/0x1480 [ 21.473470][ T296] ? fsnotify_move+0x4e0/0x4e0 [ 21.478065][ T296] ? strncpy_from_user+0x169/0x2b0 [ 21.483008][ T296] ? getname_flags+0x1fd/0x520 [ 21.487614][ T296] __x64_sys_rename+0x86/0x90 [ 21.492122][ T296] do_syscall_64+0x3d/0xb0 [ 21.496372][ T296] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 21.502104][ T296] RIP: 0033:0x7fb3c6058479 [ 21.506373][ T296] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 21.525796][ T296] RSP: 002b:00007fb3c5ff9218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 21.534195][ T296] RAX: ffffffffffffffda RBX: 00007fb3c60e53f8 RCX: 00007fb3c6058479 [pid 294] futex(0x7fb3c60e53e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 21.542003][ T296] RDX: 00007fb3c6058479 RSI: 0000000020000140 RDI: 0000000020000100 [ 21.549808][ T296] RBP: 00007fb3c60e53f0 R08: 0000000000000000 R09: 0000000000000000 [ 21.557624][ T296] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb3c60b201c [ 21.565432][ T296] R13: 00007fb3c60b2038 R14: 00007ffc2c53eda0 R15: 0030656c69662f30 [ 21.573255][ T296] [ 21.576110][ T296] Modules linked in: [ 21.581120][ T296] ---[ end trace 0000000000000000 ]--- [ 21.587614][ T296] RIP: 0010:do_renameat2+0x62e/0x1480 [ 21.592859][ T296] Code: 08 9c ac ff 41 89 de 4c 8b 64 24 40 e9 0f 06 00 00 4c 89 b4 24 f0 00 00 00 49 89 de 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 06 84 c0 4c 8b 64 24 40 0f 85 2d 08 00 00 48 89 1c 24 [ 21.612329][ T296] RSP: 0018:ffffc90000e67c40 EFLAGS: 00010246 [ 21.618229][ T296] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffff88810961d100 [ 21.625983][ T296] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 21.633936][ T296] RBP: ffffc90000e67ef8 R08: ffffffff81caef3b R09: fffff520001ccf67 [ 21.641745][ T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 21.649588][ T296] R13: ffff888120cf3dd0 R14: 0000000000000000 R15: ffff8881002a2c60 [ 21.657355][ T296] FS: 00007fb3c5ff96c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.666146][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.672569][ T296] CR2: 000055b49938e438 CR3: 0000000121568000 CR4: 00000000003506a0 [ 21.680493][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.688300][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.696079][ T296] Kernel panic - not syncing: Fatal exception [ 21.702273][ T296] Kernel Offset: disabled [ 21.706399][ T296] Rebooting in 86400 seconds..