./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3292908711 <...> Warning: Permanently added '10.128.0.197' (ECDSA) to the list of known hosts. execve("./syz-executor3292908711", ["./syz-executor3292908711"], 0x7ffe19dc8700 /* 10 vars */) = 0 brk(NULL) = 0x555555b0b000 brk(0x555555b0bc40) = 0x555555b0bc40 arch_prctl(ARCH_SET_FS, 0x555555b0b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3292908711", 4096) = 28 brk(0x555555b2cc40) = 0x555555b2cc40 brk(0x555555b2d000) = 0x555555b2d000 mprotect(0x7fc4e5322000, 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./strace-static-x86_64: Process 5072 attached , child_tidptr=0x555555b0b5d0) = 5072 [pid 5072] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setsid() = 1 [pid 5072] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5072] unshare(CLONE_NEWNS) = 0 [pid 5072] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5072] unshare(CLONE_NEWIPC) = 0 [pid 5072] unshare(CLONE_NEWCGROUP) = 0 [pid 5072] unshare(CLONE_NEWUTS) = 0 [pid 5072] unshare(CLONE_SYSVSEM) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "16777216", 8) = 8 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "536870912", 9) = 9 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1024", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "8192", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1024", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1024", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5072] close(3) = 0 [pid 5072] getpid() = 1 [pid 5072] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5075] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 5077 attached [pid 5077] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 5078 attached [pid 5078] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 5079 attached [pid 5076] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 7 [pid 5072] clone(child_stack=0x20000040, flags=128 [pid 5079] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 8 [pid 5072] clone(child_stack=0x20000040, flags=128./strace-static-x86_64: Process 5080 attached [pid 5080] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 9 [pid 5072] clone(child_stack=0x20000040, flags=128) = 10 syzkaller login: [ 60.905436][ T5072] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5072 'syz-executor329' [ 60.925578][ T5072] loop0: detected capacity change from 0 to 1024 [pid 5072] clone(child_stack=0x20000040, flags=128./strace-static-x86_64: Process 5082 attached [pid 5082] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 5081 attached [pid 5081] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 11 [pid 5072] clone(child_stack=0x20000040, flags=128./strace-static-x86_64: Process 5085 attached ./strace-static-x86_64: Process 5084 attached ./strace-static-x86_64: Process 5083 attached [pid 5084] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5083] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5077] +++ killed by SIGSEGV +++ [pid 5075] +++ killed by SIGSEGV +++ [pid 5072] <... clone resumed>) = 12 [pid 5072] clone(child_stack=0x20000040, flags=128) = 13 [pid 5072] clone(child_stack=0x20000040, flags=128) = 14 [pid 5072] clone(child_stack=0x20000040, flags=128./strace-static-x86_64: Process 5086 attached ) = 15 [pid 5072] clone(child_stack=0x20000040, flags=128) = 16 [pid 5072] clone(child_stack=0x20000040, flags=128 [pid 5085] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 5087 attached [pid 5087] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5086] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 5088 attached [pid 5088] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 5089 attached [pid 5089] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 5090 attached [pid 5090] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 17 [pid 5072] clone(child_stack=0x20000040, flags=128) = 18 [pid 5072] clone(child_stack=0x20000040, flags=128) = 19 [ 61.031787][ T5082] [ 61.034169][ T5082] ====================================================== [ 61.041204][ T5082] WARNING: possible circular locking dependency detected [ 61.048272][ T5082] 6.3.0-rc2-syzkaller-00462-g5cdfdd6da323 #0 Not tainted [ 61.055314][ T5082] ------------------------------------------------------ [ 61.062375][ T5082] syz-executor329/5082 is trying to acquire lock: [ 61.068803][ T5082] ffff88802c8407c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x1d6/0x1b10 [pid 5072] clone(child_stack=0x20000040, flags=128) = 20 [pid 5072] clone(child_stack=0x20000040, flags=128) = 21 [pid 5072] clone(child_stack=0x20000040, flags=128) = 22 [pid 5072] clone(child_stack=0x20000040, flags=128) = 23 [pid 5072] clone(child_stack=0x20000040, flags=128./strace-static-x86_64: Process 5091 attached [pid 5091] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 24 [pid 5072] clone(child_stack=0x20000040, flags=128) = 25 [pid 5072] clone(child_stack=0x20000040, flags=128) = 26 [pid 5072] clone(child_stack=0x20000040, flags=128) = 27 [ 61.080008][ T5082] [ 61.080008][ T5082] but task is already holding lock: [ 61.087404][ T5082] ffff88807b6580b0 (&tree->tree_lock){+.+.}-{3:3}, at: hfsplus_find_init+0x14a/0x1c0 [ 61.096957][ T5082] [ 61.096957][ T5082] which lock already depends on the new lock. [ 61.096957][ T5082] [ 61.107391][ T5082] [ 61.107391][ T5082] the existing dependency chain (in reverse order) is: [ 61.116437][ T5082] [ 61.116437][ T5082] -> #1 (&tree->tree_lock){+.+.}-{3:3}: [ 61.124207][ T5082] lock_acquire+0x1e1/0x520 [ 61.129260][ T5082] __mutex_lock_common+0x1d8/0x2530 [ 61.135016][ T5082] mutex_lock_nested+0x1b/0x20 [ 61.140325][ T5082] hfsplus_file_truncate+0x811/0xb40 [ 61.146167][ T5082] hfsplus_delete_inode+0x174/0x220 [ 61.152004][ T5082] hfsplus_unlink+0x511/0x7f0 [ 61.157330][ T5082] vfs_unlink+0x35d/0x5f0 [ 61.162325][ T5082] do_unlinkat+0x4a1/0x940 [ 61.167282][ T5082] __x64_sys_unlinkat+0xce/0xf0 [ 61.172678][ T5082] do_syscall_64+0x41/0xc0 [ 61.177647][ T5082] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.184097][ T5082] [ 61.184097][ T5082] -> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}: [ 61.193180][ T5082] validate_chain+0x166b/0x58e0 [ 61.198644][ T5082] __lock_acquire+0x125b/0x1f80 [ 61.204016][ T5082] lock_acquire+0x1e1/0x520 [ 61.209055][ T5082] __mutex_lock_common+0x1d8/0x2530 [ 61.214776][ T5082] mutex_lock_nested+0x1b/0x20 [ 61.220063][ T5082] hfsplus_file_extend+0x1d6/0x1b10 [ 61.225787][ T5082] hfsplus_bmap_reserve+0x105/0x4e0 [ 61.231510][ T5082] hfsplus_rename_cat+0x1d3/0x1090 [ 61.237149][ T5082] hfsplus_unlink+0x308/0x7f0 [ 61.242375][ T5082] vfs_unlink+0x35d/0x5f0 [ 61.247243][ T5082] do_unlinkat+0x4a1/0x940 [ 61.252174][ T5082] do_coredump+0x2148/0x2980 [ 61.257280][ T5082] get_signal+0x145e/0x17e0 [ 61.262308][ T5082] arch_do_signal_or_restart+0x91/0x670 [ 61.268387][ T5082] exit_to_user_mode_loop+0x6a/0x100 [ 61.274195][ T5082] exit_to_user_mode_prepare+0xb1/0x140 [ 61.280297][ T5082] irqentry_exit_to_user_mode+0x9/0x40 [ 61.286273][ T5082] exc_page_fault+0x4fc/0x7c0 [ 61.291471][ T5082] asm_exc_page_fault+0x26/0x30 [ 61.296935][ T5082] [ 61.296935][ T5082] other info that might help us debug this: [ 61.296935][ T5082] [ 61.307157][ T5082] Possible unsafe locking scenario: [ 61.307157][ T5082] [ 61.314625][ T5082] CPU0 CPU1 [ 61.319982][ T5082] ---- ---- [ 61.325348][ T5082] lock(&tree->tree_lock); [ 61.329849][ T5082] lock(&HFSPLUS_I(inode)->extents_lock); [ 61.338182][ T5082] lock(&tree->tree_lock); [ 61.345207][ T5082] lock(&HFSPLUS_I(inode)->extents_lock); [ 61.351011][ T5082] [ 61.351011][ T5082] *** DEADLOCK *** [ 61.351011][ T5082] [ 61.359153][ T5082] 5 locks held by syz-executor329/5082: [ 61.364691][ T5082] #0: ffff888028ab2460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 61.373843][ T5082] #1: ffff88802c841e00 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: do_unlinkat+0x264/0x940 [ 61.384227][ T5082] #2: ffff88802c844d40 (&sb->s_type->i_mutex_key#16){+.+.}-{3:3}, at: vfs_unlink+0xe4/0x5f0 [ 61.394431][ T5082] #3: ffff888076587998 (&sbi->vh_mutex){+.+.}-{3:3}, at: hfsplus_unlink+0x161/0x7f0 [ 61.403931][ T5082] #4: ffff88807b6580b0 (&tree->tree_lock){+.+.}-{3:3}, at: hfsplus_find_init+0x14a/0x1c0 [ 61.413951][ T5082] [ 61.413951][ T5082] stack backtrace: [ 61.419833][ T5082] CPU: 0 PID: 5082 Comm: syz-executor329 Not tainted 6.3.0-rc2-syzkaller-00462-g5cdfdd6da323 #0 [ 61.430240][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 61.440384][ T5082] Call Trace: [ 61.443665][ T5082] [ 61.446599][ T5082] dump_stack_lvl+0x1e7/0x2d0 [ 61.451295][ T5082] ? nf_tcp_handle_invalid+0x650/0x650 [ 61.456779][ T5082] ? print_circular_bug+0x12b/0x1a0 [ 61.461981][ T5082] check_noncircular+0x2fe/0x3b0 [ 61.466923][ T5082] ? add_chain_block+0x850/0x850 [ 61.471863][ T5082] ? lockdep_lock+0x123/0x2b0 [ 61.476552][ T5082] ? _find_first_zero_bit+0xd4/0x100 [ 61.481842][ T5082] validate_chain+0x166b/0x58e0 [ 61.486704][ T5082] ? reacquire_held_locks+0x660/0x660 [ 61.492085][ T5082] ? mark_lock+0x9a/0x340 [ 61.496433][ T5082] ? look_up_lock_class+0x77/0x140 [ 61.501906][ T5082] ? register_lock_class+0x104/0x990 [ 61.507190][ T5082] ? is_dynamic_key+0x1f0/0x1f0 [ 61.512068][ T5082] ? mark_lock+0x9a/0x340 [ 61.516407][ T5082] __lock_acquire+0x125b/0x1f80 [ 61.521263][ T5082] lock_acquire+0x1e1/0x520 [ 61.525775][ T5082] ? hfsplus_file_extend+0x1d6/0x1b10 [ 61.531159][ T5082] ? read_lock_is_recursive+0x20/0x20 [ 61.536539][ T5082] ? stack_trace_save+0x1c0/0x1c0 [ 61.541577][ T5082] ? __might_sleep+0xc0/0xc0 [ 61.546819][ T5082] ? stack_trace_save+0x1c0/0x1c0 [ 61.552727][ T5082] ? kernel_text_address+0xa3/0xe0 [ 61.557855][ T5082] ? __kernel_text_address+0xd/0x40 [ 61.563237][ T5082] ? unwind_get_return_address+0x4d/0x90 [ 61.568879][ T5082] __mutex_lock_common+0x1d8/0x2530 [ 61.574113][ T5082] ? hfsplus_file_extend+0x1d6/0x1b10 [ 61.579494][ T5082] ? __lock_acquire+0x125b/0x1f80 [ 61.584542][ T5082] ? hfsplus_file_extend+0x1d6/0x1b10 [ 61.589952][ T5082] ? mutex_lock_io_nested+0x60/0x60 [ 61.595277][ T5082] ? read_lock_is_recursive+0x20/0x20 [ 61.600772][ T5082] mutex_lock_nested+0x1b/0x20 [ 61.605590][ T5082] hfsplus_file_extend+0x1d6/0x1b10 [ 61.610810][ T5082] ? hfsplus_get_block+0x14e0/0x14e0 [ 61.616146][ T5082] ? trace_contention_end+0x3c/0xf0 [ 61.621557][ T5082] ? __mutex_lock_common+0x42d/0x2530 [ 61.626942][ T5082] ? hfsplus_find_init+0x14a/0x1c0 [ 61.632069][ T5082] ? mutex_lock_io_nested+0x60/0x60 [ 61.637282][ T5082] hfsplus_bmap_reserve+0x105/0x4e0 [ 61.642508][ T5082] hfsplus_rename_cat+0x1d3/0x1090 [ 61.647663][ T5082] ? tomoyo_path_perm+0x57e/0x700 [ 61.652709][ T5082] ? mark_lock+0x9a/0x340 [ 61.657151][ T5082] ? tomoyo_path_perm+0x57e/0x700 [ 61.662185][ T5082] ? __lock_acquire+0x125b/0x1f80 [ 61.667212][ T5082] ? hfsplus_subfolders_dec+0x110/0x110 [ 61.672768][ T5082] ? number+0xb5e/0xf90 [ 61.677053][ T5082] ? mutex_lock_io_nested+0x60/0x60 [ 61.682353][ T5082] ? hfsplus_unlink+0x214/0x7f0 [ 61.687239][ T5082] ? vsprintf+0x30/0x30 [ 61.691441][ T5082] hfsplus_unlink+0x308/0x7f0 [ 61.696149][ T5082] ? smack_inode_link+0x310/0x310 [ 61.701194][ T5082] ? hfsplus_link+0x840/0x840 [ 61.705877][ T5082] ? __down_write_common+0x161/0x200 [ 61.711173][ T5082] ? bpf_lsm_inode_unlink+0x9/0x10 [ 61.716292][ T5082] ? security_inode_unlink+0xce/0x110 [ 61.721679][ T5082] vfs_unlink+0x35d/0x5f0 [ 61.726025][ T5082] do_unlinkat+0x4a1/0x940 [ 61.730444][ T5082] ? fsnotify_link_count+0xf0/0xf0 [ 61.735560][ T5082] ? rcu_is_watching+0x15/0xb0 [ 61.740324][ T5082] ? getname_kernel+0x59/0x2e0 [ 61.745096][ T5082] ? getname_kernel+0x140/0x2e0 [ 61.749967][ T5082] do_coredump+0x2148/0x2980 [ 61.754571][ T5082] ? nfs_ssc_unregister+0x30/0x30 [ 61.759613][ T5082] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.764837][ T5082] ? lockdep_hardirqs_on+0x98/0x140 [ 61.770042][ T5082] get_signal+0x145e/0x17e0 [ 61.774561][ T5082] ? ptrace_notify+0x380/0x380 [ 61.779334][ T5082] ? force_sig_fault_to_task+0x1c0/0x1c0 [ 61.784975][ T5082] arch_do_signal_or_restart+0x91/0x670 [ 61.790526][ T5082] ? get_sigframe_size+0x10/0x10 [ 61.795471][ T5082] ? exit_to_user_mode_loop+0x39/0x100 [ 61.800937][ T5082] exit_to_user_mode_loop+0x6a/0x100 [ 61.806222][ T5082] exit_to_user_mode_prepare+0xb1/0x140 [ 61.811795][ T5082] irqentry_exit_to_user_mode+0x9/0x40 [ 61.817255][ T5082] exc_page_fault+0x4fc/0x7c0 [ 61.821951][ T5082] asm_exc_page_fault+0x26/0x30 [ 61.826807][ T5082] RIP: 0033:0x0 [ 61.830301][ T5082] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 61.837662][ T5082] RSP: 002b:0000000020000048 EFLAGS: 00010217 [ 61.843731][ T5082] RAX: 0000000000000000 RBX: 000000000000001a RCX: 00007fc4e52b3f49 [ 61.851727][ T5082] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000080 [ 61.860578][ T5082] RBP: 00007ffea8028eb8 R08: 0000000000000000 R09: 00007fc4e5322e40 [ 61.868565][ T5082] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffea8028ec0 [ 61.877235][ T5082] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [pid 5072] clone(child_stack=0x20000040, flags=128) = 28 [pid 5072] clone(child_stack=0x20000040, flags=128) = 29 [pid 5072] clone(child_stack=0x20000040, flags=128) = 30 [pid 5072] clone(child_stack=0x20000040, flags=128./strace-static-x86_64: Process 5098 attached [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 31 [pid 5072] clone(child_stack=0x20000040, flags=128./strace-static-x86_64: Process 5101 attached [pid 5101] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 32 [pid 5072] clone(child_stack=0x20000040, flags=128./strace-static-x86_64: Process 5103 attached [pid 5103] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 33 [pid 5072] clone(child_stack=0x20000040, flags=128./strace-static-x86_64: Process 5104 attached [pid 5104] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5072] <... clone resumed>) = 34 [pid 5072] exit_group(1) = ? ./strace-static-x86_64: Process 5106 attached [pid 5106] +++ killed by SIGKILL +++ ./strace-static-x86_64: Process 5107 attached [pid 5107] +++ killed by SIGKILL +++ ./strace-static-x86_64: Process 5094 attached ./strace-static-x86_64: Process 5093 attached ./strace-static-x86_64: Process 5092 attached [pid 5092] +++ killed by SIGKILL +++ [pid 5093] +++ killed by SIGKILL +++ [pid 5094] +++ killed by SIGKILL +++ ./strace-static-x86_64: Process 5096 attached ./strace-static-x86_64: Process 5095 attached [pid 5095] +++ killed by SIGKILL +++ [pid 5096] +++ killed by SIGKILL +++ ./strace-static-x86_64: Process 5097 attached [pid 5097] +++ killed by SIGKILL +++ ./strace-static-x86_64: Process 5099 attached [pid 5099] +++ killed by SIGKILL +++ ./strace-static-x86_64: Process 5100 attached [pid 5100] +++ killed by SIGKILL +++ ./strace-static-x86_64: Process 5102 attached [pid 5102] +++ killed by SIGKILL +++ ./strace-static-x86_64: Process 5105 attached [pid 5105] +++ killed by SIGKILL +++ [pid 5082] +++ killed by SIGKILL +++ [pid 5081] +++ killed by SIGKILL +++ [pid 5079] +++ killed by SIGKILL +++ [pid 5090] +++ killed by SIGKILL +++ [pid 5089] +++ killed by SIGKILL +++ [pid 5088] +++ killed by SIGKILL +++ [pid 5087] +++ killed by SIGKILL +++ [pid 5086] +++ killed by SIGKILL +++ [pid 5085] +++ killed by SIGSEGV (core dumped) +++ [pid 5084] +++ killed by SIGKILL +++ [pid 5083] +++ killed by SIGSEGV (core dumped) +++ [pid 5098] +++ killed by SIGKILL +++ [pid 5091] +++ killed by SIGKILL +++ [pid 5101] +++ killed by SIGKILL +++ [pid 5080] +++ killed by SIGSEGV (core dumped) +++ [pid 5103] +++ killed by SIGKILL +++ [pid 5078] +++ killed by SIGSEGV (core dumped) +++ [pid 5076] +++ killed by SIGSEGV (core dumped) +++ [pid 5104] +++ killed by SIGKILL +++ [pid 5072] +++ exited with 1 +++ [ 61.885327][ T5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=1, si_utime=0, si_stime=13 /* 0.13 s */} --- exit_group(0) = ? +++ exited with 0 +++