./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1898791701 <...> Warning: Permanently added '10.128.0.33' (ED25519) to the list of known hosts. execve("./syz-executor1898791701", ["./syz-executor1898791701"], 0x7fffabcb8270 /* 10 vars */) = 0 brk(NULL) = 0x55557a407000 brk(0x55557a407e00) = 0x55557a407e00 arch_prctl(ARCH_SET_FS, 0x55557a407480) = 0 set_tid_address(0x55557a407750) = 5065 set_robust_list(0x55557a407760, 24) = 0 rseq(0x55557a407da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1898791701", 4096) = 28 getrandom("\xd8\xb2\x13\x9e\x11\x72\x48\xbd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a407e00 brk(0x55557a428e00) = 0x55557a428e00 brk(0x55557a429000) = 0x55557a429000 mprotect(0x7f4658ff6000, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f4658f4ea80, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4658f56230}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f4658f4ea80, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4658f56230}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557a407750) = 5066 ./strace-static-x86_64: Process 5066 attached [pid 5066] set_robust_list(0x55557a407760, 24) = 0 [ 103.391298][ T28] audit: type=1400 audit(1712135445.001:87): avc: denied { execmem } for pid=5065 comm="syz-executor189" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5066] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setsid() = 1 [pid 5066] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5066] unshare(CLONE_NEWNS) = 0 [pid 5066] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [ 103.432248][ T28] audit: type=1400 audit(1712135445.041:88): avc: denied { mounton } for pid=5066 comm="syz-executor189" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 103.456545][ T28] audit: type=1400 audit(1712135445.041:89): avc: denied { mount } for pid=5066 comm="syz-executor189" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [pid 5066] unshare(CLONE_NEWIPC) = 0 [pid 5066] unshare(CLONE_NEWCGROUP) = 0 [pid 5066] unshare(CLONE_NEWUTS) = 0 [pid 5066] unshare(CLONE_SYSVSEM) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [ 103.503748][ T28] audit: type=1400 audit(1712135445.111:90): avc: denied { mounton } for pid=5066 comm="syz-executor189" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 5066] write(3, "16777216", 8) = 8 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "536870912", 9) = 9 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "8192", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5066] close(3) = 0 [pid 5066] getpid() = 1 [pid 5066] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 5a 2b 0f ff e9 5b fe ff ff e8 20 2b 0f ff e9 59 ff ff ff [ 104.110331][ T5066] RSP: 0018:ffffc9000340fa98 EFLAGS: 00010293 [ 104.116407][ T5066] RAX: 0000000000000000 RBX: ffff888029d42000 RCX: 0000000000000000 [ 104.124390][ T5066] RDX: ffff88801abe8000 RSI: ffffffff82d8046e RDI: ffff88807862f020 [ 104.132381][ T5066] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffed10053a846d [ 104.140366][ T5066] R10: ffff888029d4236b R11: 0000000000000003 R12: ffff888077e18000 [ 104.148351][ T5066] R13: dffffc0000000000 R14: ffff88807862f000 R15: ffff888077e180b8 [ 104.156444][ T5066] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 104.165390][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.172081][ T5066] CR2: 00007f4658ffd1d0 CR3: 00000000241b6000 CR4: 00000000003506f0 [ 104.180073][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.188058][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.196042][ T5066] Call Trace: [ 104.199336][ T5066] [ 104.202276][ T5066] ? show_regs+0x8c/0xa0 [ 104.206539][ T5066] ? die+0x36/0xa0 [ 104.210283][ T5066] ? do_trap+0x232/0x430 [ 104.214560][ T5066] ? jffs2_del_ino_cache+0x24f/0x2c0 [ 104.219870][ T5066] ? jffs2_del_ino_cache+0x24f/0x2c0 [ 104.225175][ T5066] ? do_error_trap+0xf4/0x230 [ 104.229882][ T5066] ? jffs2_del_ino_cache+0x24f/0x2c0 [ 104.235189][ T5066] ? handle_invalid_op+0x34/0x40 [ 104.240162][ T5066] ? jffs2_del_ino_cache+0x24f/0x2c0 [ 104.245477][ T5066] ? exc_invalid_op+0x2e/0x50 [ 104.250193][ T5066] ? asm_exc_invalid_op+0x1a/0x20 [ 104.255272][ T5066] ? jffs2_del_ino_cache+0x24e/0x2c0 [ 104.260580][ T5066] ? jffs2_del_ino_cache+0x24f/0x2c0 [ 104.265891][ T5066] ? jffs2_del_ino_cache+0x24e/0x2c0 [ 104.271219][ T5066] jffs2_do_clear_inode+0x3bf/0x470 [ 104.276458][ T5066] ? __pfx_jffs2_evict_inode+0x10/0x10 [ 104.281955][ T5066] evict+0x2ed/0x6c0 [ 104.285888][ T5066] dispose_list+0x117/0x1e0 [ 104.290423][ T5066] evict_inodes+0x34e/0x450 [ 104.294960][ T5066] ? __pfx_evict_inodes+0x10/0x10 [ 104.300016][ T5066] ? sync_blockdev+0x70/0x90 [ 104.304642][ T5066] generic_shutdown_super+0xb5/0x3d0 [ 104.309955][ T5066] kill_mtd_super+0x1d/0x80 [ 104.314490][ T5066] jffs2_kill_sb+0x7c/0xb0 [ 104.318948][ T5066] deactivate_locked_super+0xbe/0x1a0 [ 104.324361][ T5066] deactivate_super+0xde/0x100 [ 104.329157][ T5066] cleanup_mnt+0x222/0x450 [ 104.333616][ T5066] task_work_run+0x14e/0x250 [ 104.338248][ T5066] ? __pfx_task_work_run+0x10/0x10 [ 104.343419][ T5066] do_exit+0xa7d/0x2be0 [ 104.347628][ T5066] ? do_group_exit+0x1c3/0x2a0 [ 104.352430][ T5066] ? __pfx_lock_release+0x10/0x10 [ 104.357503][ T5066] ? do_raw_spin_lock+0x12d/0x2c0 [ 104.362555][ T5066] ? __pfx_do_exit+0x10/0x10 [ 104.367269][ T5066] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 104.372679][ T5066] do_group_exit+0xd3/0x2a0 [ 104.377235][ T5066] __x64_sys_exit_group+0x3e/0x50 [ 104.382304][ T5066] do_syscall_64+0xd2/0x260 [ 104.386857][ T5066] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 104.392804][ T5066] RIP: 0033:0x7f4658f811c9 [ 104.397240][ T5066] Code: Unable to access opcode bytes at 0x7f4658f8119f. [ 104.404279][ T5066] RSP: 002b:00007ffc78c3aa58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 104.412710][ T5066] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4658f811c9 [ 104.420719][ T5066] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 104.428708][ T5066] RBP: 00007f4658ffc370 R08: ffffffffffffffb8 R09: 00007f4658ff65f0 [ 104.436699][ T5066] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4658ffc370 [ 104.444689][ T5066] R13: 0000000000000000 R14: 00007f4658ffcdc0 R15: 00007f4658f4f330 [ 104.452684][ T5066] [ 104.455796][ T5066] Modules linked in: [ 104.461684][ T5066] ---[ end trace 0000000000000000 ]--- [ 104.467358][ T5066] RIP: 0010:jffs2_del_ino_cache+0x24f/0x2c0 [ 104.473297][ T5066] Code: 4c 89 e2 49 8b 5e 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 71 49 89 1c 24 e9 42 ff ff ff e8 42 f4 b4 fe 90 <0f> 0b e8 5a 2b 0f ff e9 5b fe ff ff e8 20 2b 0f ff e9 59 ff ff ff [ 104.493031][ T5066] RSP: 0018:ffffc9000340fa98 EFLAGS: 00010293 [ 104.501539][ T5066] RAX: 0000000000000000 RBX: ffff888029d42000 RCX: 0000000000000000 [ 104.509647][ T5066] RDX: ffff88801abe8000 RSI: ffffffff82d8046e RDI: ffff88807862f020 [ 104.518577][ T5066] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffed10053a846d [ 104.526581][ T5066] R10: ffff888029d4236b R11: 0000000000000003 R12: ffff888077e18000 [ 104.534641][ T5066] R13: dffffc0000000000 R14: ffff88807862f000 R15: ffff888077e180b8 [ 104.542680][ T5066] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 104.551693][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.558340][ T5066] CR2: 00007f4658ffd1d0 CR3: 00000000241b6000 CR4: 00000000003506f0 [ 104.566345][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.574460][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.582538][ T5066] Kernel panic - not syncing: Fatal exception [ 104.588925][ T5066] Kernel Offset: disabled [ 104.593262][ T5066] Rebooting in 86400 seconds..