./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor841468345 <...> Warning: Permanently added '10.128.0.122' (ED25519) to the list of known hosts. execve("./syz-executor841468345", ["./syz-executor841468345"], 0x7fff7f968500 /* 10 vars */) = 0 brk(NULL) = 0x55557b30a000 brk(0x55557b30ad00) = 0x55557b30ad00 arch_prctl(ARCH_SET_FS, 0x55557b30a380) = 0 set_tid_address(0x55557b30a650) = 5096 set_robust_list(0x55557b30a660, 24) = 0 rseq(0x55557b30aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor841468345", 4096) = 27 getrandom("\xf4\x62\xb0\x1e\xd8\xa4\x6a\x6f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557b30ad00 brk(0x55557b32bd00) = 0x55557b32bd00 brk(0x55557b32c000) = 0x55557b32c000 mprotect(0x7fa59eb1d000, 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=0x55557b30a650) = 5097 ./strace-static-x86_64: Process 5097 attached [pid 5097] set_robust_list(0x55557b30a660, 24) = 0 [pid 5097] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5097] setsid() = 1 [pid 5097] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5097] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5097] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5097] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5097] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5097] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5097] unshare(CLONE_NEWNS) = 0 [pid 5097] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5097] unshare(CLONE_NEWIPC) = 0 [pid 5097] unshare(CLONE_NEWCGROUP) = 0 [pid 5097] unshare(CLONE_NEWUTS) = 0 [pid 5097] unshare(CLONE_SYSVSEM) = 0 [pid 5097] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "16777216", 8) = 8 [pid 5097] close(3) = 0 [pid 5097] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "536870912", 9) = 9 [pid 5097] close(3) = 0 [pid 5097] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1024", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "8192", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1024", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1024", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5097] close(3) = 0 [pid 5097] getpid() = 1 [pid 5097] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 73.086246][ T5100] RSP: 0018:ffffc900038f75e8 EFLAGS: 00010293 [ 73.086261][ T5100] RAX: ffffffff891176d6 RBX: 0000000000000000 RCX: ffff888077030000 [ 73.086272][ T5100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.086281][ T5100] RBP: ffff888021c2e820 R08: ffffffff8911720b R09: 0000000000000000 [ 73.086292][ T5100] R10: ffff88802f1b0330 R11: ffffed1005e36068 R12: 0000000000000000 [ 73.086303][ T5100] R13: dffffc0000000000 R14: ffff88802f1b0428 R15: ffff88802f1b0410 [ 73.086314][ T5100] FS: 000055557b30a380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 73.086330][ T5100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.086340][ T5100] CR2: 00007fa59eb210e0 CR3: 000000001fee6000 CR4: 00000000003506f0 [ 73.086353][ T5100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.086363][ T5100] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.086372][ T5100] Call Trace: [ 73.086378][ T5100] [ 73.086384][ T5100] ? __die_body+0x88/0xe0 [ 73.086409][ T5100] ? die+0xcf/0x110 [ 73.086432][ T5100] ? do_trap+0x15a/0x3a0 [ 73.086452][ T5100] ? binder_inc_ref_for_node+0xdf7/0xe00 [ 73.086477][ T5100] ? do_error_trap+0x1dc/0x2c0 [ 73.086496][ T5100] ? binder_inc_ref_for_node+0xdf7/0xe00 [ 73.086519][ T5100] ? __sanitizer_cov_trace_pc+0x37/0x70 [ 73.086543][ T5100] ? __pfx_do_error_trap+0x10/0x10 [ 73.086568][ T5100] ? handle_invalid_op+0x34/0x40 [ 73.086587][ T5100] ? binder_inc_ref_for_node+0xdf7/0xe00 [ 73.086610][ T5100] ? exc_invalid_op+0x38/0x50 [ 73.086631][ T5100] ? asm_exc_invalid_op+0x1a/0x20 [ 73.086657][ T5100] ? binder_inc_ref_for_node+0x92b/0xe00 [ 73.086679][ T5100] ? binder_inc_ref_for_node+0xdf6/0xe00 [ 73.086704][ T5100] ? binder_inc_ref_for_node+0xdf7/0xe00 [ 73.086727][ T5100] ? binder_inc_ref_for_node+0xdf6/0xe00 [ 73.086757][ T5100] binder_ioctl_write_read+0xc7b/0x8d60 [ 73.086797][ T5100] ? __pfx_stack_trace_save+0x10/0x10 [ 73.086820][ T5100] ? __pfx_binder_ioctl_write_read+0x10/0x10 [ 73.086843][ T5100] ? __pfx_lock_release+0x10/0x10 [ 73.086865][ T5100] ? kasan_save_track+0x51/0x80 [ 73.086881][ T5100] ? kasan_save_track+0x3f/0x80 [ 73.086896][ T5100] ? kasan_save_free_info+0x40/0x50 [ 73.086919][ T5100] ? poison_slab_object+0xe0/0x150 [ 73.086936][ T5100] ? __kasan_slab_free+0x37/0x60 [ 73.086952][ T5100] ? kfree+0x149/0x360 [ 73.086973][ T5100] ? tomoyo_path_number_perm+0x68d/0x880 [ 73.086995][ T5100] ? security_file_ioctl+0x75/0xb0 [ 73.087011][ T5100] ? __se_sys_ioctl+0x47/0x170 [ 73.087025][ T5100] ? do_syscall_64+0xf3/0x230 [ 73.087043][ T5100] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.087074][ T5100] ? rcu_is_watching+0x15/0xb0 [ 73.087097][ T5100] ? lock_release+0xbf/0x9f0 [ 73.087117][ T5100] ? binder_debug+0x15f/0x1d0 [ 73.087139][ T5100] ? binder_get_thread+0xdd/0x6c0 [ 73.087161][ T5100] ? __pfx_lock_release+0x10/0x10 [ 73.087184][ T5100] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.087204][ T5100] ? _raw_spin_unlock+0x28/0x50 [ 73.087226][ T5100] ? binder_get_thread+0x178/0x6c0 [ 73.087250][ T5100] binder_ioctl+0x43d/0x1c70 [ 73.087274][ T5100] ? tomoyo_path_number_perm+0x71a/0x880 [ 73.087294][ T5100] ? tomoyo_path_number_perm+0x208/0x880 [ 73.087312][ T5100] ? __pfx_binder_ioctl+0x10/0x10 [ 73.087333][ T5100] ? rcu_is_watching+0x15/0xb0 [ 73.087358][ T5100] ? _raw_spin_lock_irq+0xdf/0x120 [ 73.087393][ T5100] ? __pfx_ptrace_notify+0x10/0x10 [ 73.087411][ T5100] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 73.087431][ T5100] ? rcu_is_watching+0x15/0xb0 [ 73.087454][ T5100] ? bpf_lsm_file_ioctl+0x9/0x10 [ 73.087470][ T5100] ? security_file_ioctl+0x87/0xb0 [ 73.087486][ T5100] ? __pfx_binder_ioctl+0x10/0x10 [ 73.087509][ T5100] __se_sys_ioctl+0xfc/0x170 [ 73.087524][ T5100] do_syscall_64+0xf3/0x230 [ 73.087544][ T5100] ? clear_bhb_loop+0x35/0x90 [ 73.087560][ T5100] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.087583][ T5100] RIP: 0033:0x7fa59eaaa1e9 [ 73.087600][ T5100] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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 b8 ff ff ff f7 d8 64 89 01 48 [ 73.087612][ T5100] RSP: 002b:00007ffea9c908d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 73.087627][ T5100] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa59eaaa1e9 [ 73.087638][ T5100] RDX: 00000000200003c0 RSI: 00000000c0306201 RDI: 0000000000000003 [ 73.087650][ T5100] RBP: 00000000000f4240 R08: 000055557b30b610 R09: 000055557b30b610 [ 73.087660][ T5100] R10: 000055557b30b610 R11: 0000000000000246 R12: 00007fa59eaf80dc [ 73.087672][ T5100] R13: 00007fa59eaf30a3 R14: 00007ffea9c90900 R15: 00007ffea9c908f0 [ 73.087690][ T5100] [ 73.087695][ T5100] Modules linked in: [ 73.087709][ T5100] ---[ end trace 0000000000000000 ]--- [ 73.600731][ T5100] RIP: 0010:binder_inc_ref_for_node+0xdf7/0xe00 [ 73.607050][ T5100] Code: e8 f8 e9 4e fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 59 fd ff ff 48 89 df e8 24 e9 e8 f8 e9 4c fd ff ff e8 0a 15 82 f8 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 73.626903][ T5100] RSP: 0018:ffffc900038f75e8 EFLAGS: 00010293 [ 73.633179][ T5100] RAX: ffffffff891176d6 RBX: 0000000000000000 RCX: ffff888077030000 [ 73.641239][ T5100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.649290][ T5100] RBP: ffff888021c2e820 R08: ffffffff8911720b R09: 0000000000000000 [ 73.657430][ T5100] R10: ffff88802f1b0330 R11: ffffed1005e36068 R12: 0000000000000000 [ 73.665444][ T5100] R13: dffffc0000000000 R14: ffff88802f1b0428 R15: ffff88802f1b0410 [ 73.673496][ T5100] FS: 000055557b30a380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 73.682620][ T5100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.689374][ T5100] CR2: 00007fa59eb210e0 CR3: 000000001fee6000 CR4: 00000000003506f0 [ 73.697441][ T5100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.705528][ T5100] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.713676][ T5100] Kernel panic - not syncing: Fatal exception [ 73.720128][ T5100] Kernel Offset: disabled [ 73.724465][ T5100] Rebooting in 86400 seconds..