./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor902617231 <...> [ 11.335475][ T30] audit: type=1400 audit(1674354389.770:60): avc: denied { transition } for pid=317 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 [ 11.340702][ T30] audit: type=1400 audit(1674354389.770:61): avc: denied { write } for pid=317 comm="sh" path="pipe:[12345]" dev="pipefs" ino=12345 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 12.175082][ T321] scp (321) used greatest stack depth: 22720 bytes left Warning: Permanently added '10.128.0.141' (ECDSA) to the list of known hosts. execve("./syz-executor902617231", ["./syz-executor902617231"], 0x7ffe5c4a17a0 /* 10 vars */) = 0 brk(NULL) = 0x5555556bd000 brk(0x5555556bdc40) = 0x5555556bdc40 arch_prctl(ARCH_SET_FS, 0x5555556bd300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor902617231", 4096) = 27 brk(0x5555556dec40) = 0x5555556dec40 brk(0x5555556df000) = 0x5555556df000 mprotect(0x7f38de1ee000, 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 mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 408 ./strace-static-x86_64: Process 408 attached [pid 408] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 408] setsid() = 1 [pid 408] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 408] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 408] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 408] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 408] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 408] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 408] unshare(CLONE_NEWNS) = 0 [pid 408] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 408] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 408] unshare(CLONE_NEWCGROUP) = 0 [pid 408] unshare(CLONE_NEWUTS) = 0 [pid 408] unshare(CLONE_SYSVSEM) = 0 [pid 408] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 408] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 408] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 408] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 408] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 408] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 408] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 408] getpid() = 1 [pid 408] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 19.822927][ T409] dump_stack_lvl+0x151/0x1b7 [ 19.854164][ T409] ? bfq_pos_tree_add_move+0x43e/0x43e [ 19.859709][ T409] dump_stack+0x15/0x17 [ 19.863707][ T409] should_fail+0x3c0/0x510 [ 19.867957][ T409] __should_failslab+0x9f/0xe0 [ 19.872637][ T409] should_failslab+0x9/0x20 [ 19.876975][ T409] kmem_cache_alloc+0x4f/0x2f0 [ 19.881575][ T409] ? anon_vma_fork+0x1b9/0x4f0 [ 19.886185][ T409] anon_vma_fork+0x1b9/0x4f0 [ 19.890610][ T409] dup_mmap+0x750/0xea0 [ 19.894598][ T409] ? __delayed_free_task+0x20/0x20 [ 19.899667][ T409] ? mm_init+0x807/0x960 [ 19.903841][ T409] dup_mm+0x91/0x330 [ 19.907660][ T409] copy_mm+0x108/0x1b0 [ 19.911570][ T409] copy_process+0x1295/0x3250 [ 19.916081][ T409] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 19.921031][ T409] ? __kasan_check_write+0x14/0x20 [ 19.926150][ T409] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.931098][ T409] kernel_clone+0x22d/0x990 [ 19.935439][ T409] ? cgroup_update_frozen+0x155/0x320 [ 19.940732][ T409] ? _raw_spin_unlock_irq+0x4e/0x70 [ 19.945764][ T409] ? create_io_thread+0x1e0/0x1e0 [ 19.950713][ T409] ? ptrace_stop+0x6eb/0xa30 [ 19.955138][ T409] __x64_sys_clone+0x289/0x310 [ 19.960161][ T409] ? _raw_spin_unlock_irq+0x4e/0x70 [ 19.965190][ T409] ? __do_sys_vfork+0x130/0x130 [ 19.969880][ T409] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 19.975430][ T409] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 19.981341][ T409] do_syscall_64+0x44/0xd0 [ 19.985585][ T409] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 19.991313][ T409] RIP: 0033:0x7f38de179db9 [ 19.995569][ T409] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 20.015105][ T409] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 20.024298][ T409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 20.032200][ T409] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 20.040005][ T409] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 00007ffc72096660 [pid 409] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 409] close(3) = 0 [pid 409] close(4) = -1 EBADF (Bad file descriptor) [pid 409] close(5) = -1 EBADF (Bad file descriptor) [pid 409] close(6) = -1 EBADF (Bad file descriptor) [pid 409] close(7) = -1 EBADF (Bad file descriptor) [pid 409] close(8) = -1 EBADF (Bad file descriptor) [pid 409] close(9) = -1 EBADF (Bad file descriptor) [pid 409] close(10) = -1 EBADF (Bad file descriptor) [pid 409] close(11) = -1 EBADF (Bad file descriptor) [pid 409] close(12) = -1 EBADF (Bad file descriptor) [pid 409] close(13) = -1 EBADF (Bad file descriptor) [pid 409] close(14) = -1 EBADF (Bad file descriptor) [pid 409] close(15) = -1 EBADF (Bad file descriptor) [pid 409] close(16) = -1 EBADF (Bad file descriptor) [pid 409] close(17) = -1 EBADF (Bad file descriptor) [pid 409] close(18) = -1 EBADF (Bad file descriptor) [pid 409] close(19) = -1 EBADF (Bad file descriptor) [pid 409] close(20) = -1 EBADF (Bad file descriptor) [pid 409] close(21) = -1 EBADF (Bad file descriptor) [pid 409] close(22) = -1 EBADF (Bad file descriptor) [pid 409] close(23) = -1 EBADF (Bad file descriptor) [pid 409] close(24) = -1 EBADF (Bad file descriptor) [pid 409] close(25) = -1 EBADF (Bad file descriptor) [pid 409] close(26) = -1 EBADF (Bad file descriptor) [pid 409] close(27) = -1 EBADF (Bad file descriptor) [pid 409] close(28) = -1 EBADF (Bad file descriptor) [pid 409] close(29) = -1 EBADF (Bad file descriptor) [pid 409] exit_group(0) = ? [pid 409] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 3 ./strace-static-x86_64: Process 410 attached [pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 410] setpgid(0, 0) = 0 [pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 410] write(3, "1000", 4) = 4 [pid 410] close(3) = 0 [pid 410] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 410] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 410] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 410] write(3, "58", 2) = 2 [ 20.048082][ T409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 20.055897][ T409] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 0000000000000000 [ 20.063731][ T409] [ 20.076342][ T410] FAULT_INJECTION: forcing a failure. [ 20.076342][ T410] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 20.089495][ T410] CPU: 1 PID: 410 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 20.099419][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 20.109406][ T410] Call Trace: [ 20.112688][ T410] [ 20.115470][ T410] dump_stack_lvl+0x151/0x1b7 [ 20.119994][ T410] ? bfq_pos_tree_add_move+0x43e/0x43e [ 20.125462][ T410] ? stack_trace_save+0x1f0/0x1f0 [ 20.130470][ T410] ? __kernel_text_address+0x9a/0x110 [ 20.136077][ T410] dump_stack+0x15/0x17 [ 20.140550][ T410] should_fail+0x3c0/0x510 [ 20.145001][ T410] should_fail_alloc_page+0x58/0x70 [ 20.150216][ T410] __alloc_pages+0x1de/0x7c0 [ 20.155058][ T410] ? stack_trace_save+0x12d/0x1f0 [ 20.160169][ T410] ? stack_trace_snprint+0x100/0x100 [ 20.165313][ T410] ? __count_vm_events+0x30/0x30 [ 20.170066][ T410] ? __kasan_slab_alloc+0xc4/0xe0 [ 20.174934][ T410] ? __kasan_slab_alloc+0xb2/0xe0 [ 20.179790][ T410] ? kmem_cache_alloc+0x189/0x2f0 [ 20.186155][ T410] ? anon_vma_fork+0x1b9/0x4f0 [ 20.190763][ T410] get_zeroed_page+0x19/0x40 [ 20.195189][ T410] __pud_alloc+0x8b/0x260 [ 20.199455][ T410] ? do_handle_mm_fault+0x2370/0x2370 [ 20.204664][ T410] copy_page_range+0xd9e/0x1090 [ 20.209488][ T410] ? pfn_valid+0x1e0/0x1e0 [ 20.213702][ T410] dup_mmap+0x99f/0xea0 [ 20.217772][ T410] ? __delayed_free_task+0x20/0x20 [ 20.222717][ T410] ? mm_init+0x807/0x960 [ 20.227254][ T410] dup_mm+0x91/0x330 [ 20.231197][ T410] copy_mm+0x108/0x1b0 [ 20.235546][ T410] copy_process+0x1295/0x3250 [ 20.240291][ T410] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 20.245531][ T410] ? __kasan_check_write+0x14/0x20 [ 20.251462][ T410] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 20.256654][ T410] kernel_clone+0x22d/0x990 [ 20.261617][ T410] ? cgroup_update_frozen+0x155/0x320 [ 20.267195][ T410] ? _raw_spin_unlock_irq+0x4e/0x70 [ 20.272592][ T410] ? create_io_thread+0x1e0/0x1e0 [ 20.277457][ T410] ? ptrace_stop+0x6eb/0xa30 [ 20.281987][ T410] __x64_sys_clone+0x289/0x310 [ 20.286593][ T410] ? _raw_spin_unlock_irq+0x4e/0x70 [ 20.291798][ T410] ? __do_sys_vfork+0x130/0x130 [ 20.296686][ T410] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 20.302287][ T410] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 20.308561][ T410] do_syscall_64+0x44/0xd0 [ 20.313441][ T410] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 20.319359][ T410] RIP: 0033:0x7f38de179db9 [ 20.323894][ T410] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 20.344697][ T410] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [pid 410] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 410] close(3) = 0 [pid 410] close(4) = -1 EBADF (Bad file descriptor) [pid 410] close(5) = -1 EBADF (Bad file descriptor) [pid 410] close(6) = -1 EBADF (Bad file descriptor) [pid 410] close(7) = -1 EBADF (Bad file descriptor) [pid 410] close(8) = -1 EBADF (Bad file descriptor) [pid 410] close(9) = -1 EBADF (Bad file descriptor) [pid 410] close(10) = -1 EBADF (Bad file descriptor) [pid 410] close(11) = -1 EBADF (Bad file descriptor) [pid 410] close(12) = -1 EBADF (Bad file descriptor) [pid 410] close(13) = -1 EBADF (Bad file descriptor) [pid 410] close(14) = -1 EBADF (Bad file descriptor) [pid 410] close(15) = -1 EBADF (Bad file descriptor) [pid 410] close(16) = -1 EBADF (Bad file descriptor) [pid 410] close(17) = -1 EBADF (Bad file descriptor) [pid 410] close(18) = -1 EBADF (Bad file descriptor) [pid 410] close(19) = -1 EBADF (Bad file descriptor) [pid 410] close(20) = -1 EBADF (Bad file descriptor) [pid 410] close(21) = -1 EBADF (Bad file descriptor) [pid 410] close(22) = -1 EBADF (Bad file descriptor) [pid 410] close(23) = -1 EBADF (Bad file descriptor) [pid 410] close(24) = -1 EBADF (Bad file descriptor) [pid 410] close(25) = -1 EBADF (Bad file descriptor) [pid 410] close(26) = -1 EBADF (Bad file descriptor) [pid 410] close(27) = -1 EBADF (Bad file descriptor) [pid 410] close(28) = -1 EBADF (Bad file descriptor) [pid 410] close(29) = -1 EBADF (Bad file descriptor) [pid 410] exit_group(0) = ? [pid 410] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 411 attached , child_tidptr=0x5555556bd5d0) = 4 [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 411] setpgid(0, 0) = 0 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 411] write(3, "1000", 4) = 4 [pid 411] close(3) = 0 [pid 411] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 411] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 411] write(3, "58", 2) = 2 [ 20.353865][ T410] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 20.362194][ T410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 20.370610][ T410] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 20.378568][ T410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 20.389558][ T410] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 20.397371][ T410] [ 20.408041][ T411] FAULT_INJECTION: forcing a failure. [ 20.408041][ T411] name failslab, interval 1, probability 0, space 0, times 0 [ 20.420918][ T411] CPU: 0 PID: 411 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 20.431535][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 20.441673][ T411] Call Trace: [ 20.445057][ T411] [ 20.448006][ T411] dump_stack_lvl+0x151/0x1b7 [ 20.455276][ T411] ? bfq_pos_tree_add_move+0x43e/0x43e [ 20.461352][ T411] dump_stack+0x15/0x17 [ 20.465517][ T411] should_fail+0x3c0/0x510 [ 20.469794][ T411] __should_failslab+0x9f/0xe0 [ 20.474561][ T411] should_failslab+0x9/0x20 [ 20.478905][ T411] kmem_cache_alloc+0x4f/0x2f0 [ 20.483579][ T411] ? vm_area_dup+0x26/0x1d0 [ 20.488348][ T411] ? __kasan_check_read+0x11/0x20 [ 20.493241][ T411] vm_area_dup+0x26/0x1d0 [ 20.497449][ T411] dup_mmap+0x6b8/0xea0 [ 20.501451][ T411] ? __delayed_free_task+0x20/0x20 [ 20.506345][ T411] ? mm_init+0x807/0x960 [ 20.510748][ T411] dup_mm+0x91/0x330 [ 20.514470][ T411] copy_mm+0x108/0x1b0 [ 20.518372][ T411] copy_process+0x1295/0x3250 [ 20.522892][ T411] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 20.527836][ T411] ? __kasan_check_write+0x14/0x20 [ 20.533488][ T411] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 20.538434][ T411] kernel_clone+0x22d/0x990 [ 20.542763][ T411] ? cgroup_update_frozen+0x155/0x320 [ 20.547971][ T411] ? _raw_spin_unlock_irq+0x4e/0x70 [ 20.553381][ T411] ? create_io_thread+0x1e0/0x1e0 [ 20.558586][ T411] ? ptrace_stop+0x6eb/0xa30 [ 20.563126][ T411] __x64_sys_clone+0x289/0x310 [ 20.567865][ T411] ? _raw_spin_unlock_irq+0x4e/0x70 [ 20.572995][ T411] ? __do_sys_vfork+0x130/0x130 [ 20.577678][ T411] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 20.583969][ T411] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 20.589855][ T411] do_syscall_64+0x44/0xd0 [ 20.594201][ T411] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 20.600380][ T411] RIP: 0033:0x7f38de179db9 [ 20.604735][ T411] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 20.625364][ T411] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 20.633763][ T411] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 20.641576][ T411] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 20.650211][ T411] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [pid 411] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 411] close(3) = 0 [pid 411] close(4) = -1 EBADF (Bad file descriptor) [pid 411] close(5) = -1 EBADF (Bad file descriptor) [pid 411] close(6) = -1 EBADF (Bad file descriptor) [pid 411] close(7) = -1 EBADF (Bad file descriptor) [pid 411] close(8) = -1 EBADF (Bad file descriptor) [pid 411] close(9) = -1 EBADF (Bad file descriptor) [pid 411] close(10) = -1 EBADF (Bad file descriptor) [pid 411] close(11) = -1 EBADF (Bad file descriptor) [pid 411] close(12) = -1 EBADF (Bad file descriptor) [pid 411] close(13) = -1 EBADF (Bad file descriptor) [pid 411] close(14) = -1 EBADF (Bad file descriptor) [pid 411] close(15) = -1 EBADF (Bad file descriptor) [pid 411] close(16) = -1 EBADF (Bad file descriptor) [pid 411] close(17) = -1 EBADF (Bad file descriptor) [pid 411] close(18) = -1 EBADF (Bad file descriptor) [pid 411] close(19) = -1 EBADF (Bad file descriptor) [pid 411] close(20) = -1 EBADF (Bad file descriptor) [pid 411] close(21) = -1 EBADF (Bad file descriptor) [pid 411] close(22) = -1 EBADF (Bad file descriptor) [pid 411] close(23) = -1 EBADF (Bad file descriptor) [pid 411] close(24) = -1 EBADF (Bad file descriptor) [pid 411] close(25) = -1 EBADF (Bad file descriptor) [pid 411] close(26) = -1 EBADF (Bad file descriptor) [pid 411] close(27) = -1 EBADF (Bad file descriptor) [pid 411] close(28) = -1 EBADF (Bad file descriptor) [pid 411] close(29) = -1 EBADF (Bad file descriptor) [pid 411] exit_group(0) = ? [pid 411] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 5 ./strace-static-x86_64: Process 413 attached [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 [pid 413] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 413] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 413] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 413] write(3, "58", 2) = 2 [ 20.658101][ T411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 20.666862][ T411] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 20.674696][ T411] [ 20.688057][ T413] FAULT_INJECTION: forcing a failure. [ 20.688057][ T413] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 20.701427][ T413] CPU: 1 PID: 413 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 20.711759][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 20.722454][ T413] Call Trace: [ 20.725547][ T413] [ 20.728322][ T413] dump_stack_lvl+0x151/0x1b7 [ 20.732961][ T413] ? bfq_pos_tree_add_move+0x43e/0x43e [ 20.738392][ T413] ? stack_trace_save+0x1f0/0x1f0 [ 20.743358][ T413] ? __kernel_text_address+0x9a/0x110 [ 20.748846][ T413] dump_stack+0x15/0x17 [ 20.752938][ T413] should_fail+0x3c0/0x510 [ 20.757182][ T413] should_fail_alloc_page+0x58/0x70 [ 20.762469][ T413] __alloc_pages+0x1de/0x7c0 [ 20.766895][ T413] ? stack_trace_save+0x12d/0x1f0 [ 20.771753][ T413] ? stack_trace_snprint+0x100/0x100 [ 20.777327][ T413] ? __count_vm_events+0x30/0x30 [ 20.782361][ T413] ? __kasan_slab_alloc+0xc4/0xe0 [ 20.787295][ T413] ? __kasan_slab_alloc+0xb2/0xe0 [ 20.792400][ T413] ? kmem_cache_alloc+0x189/0x2f0 [ 20.797424][ T413] ? anon_vma_fork+0x1b9/0x4f0 [ 20.802483][ T413] get_zeroed_page+0x19/0x40 [ 20.807146][ T413] __pud_alloc+0x8b/0x260 [ 20.811733][ T413] ? do_handle_mm_fault+0x2370/0x2370 [ 20.817119][ T413] copy_page_range+0xd9e/0x1090 [ 20.821810][ T413] ? pfn_valid+0x1e0/0x1e0 [ 20.826324][ T413] dup_mmap+0x99f/0xea0 [ 20.830232][ T413] ? __delayed_free_task+0x20/0x20 [ 20.835263][ T413] ? mm_init+0x807/0x960 [ 20.839350][ T413] dup_mm+0x91/0x330 [ 20.843078][ T413] copy_mm+0x108/0x1b0 [ 20.847265][ T413] copy_process+0x1295/0x3250 [ 20.857677][ T413] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 20.862719][ T413] ? __kasan_check_write+0x14/0x20 [ 20.867836][ T413] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 20.873055][ T413] kernel_clone+0x22d/0x990 [ 20.877493][ T413] ? cgroup_update_frozen+0x155/0x320 [ 20.882693][ T413] ? _raw_spin_unlock_irq+0x4e/0x70 [ 20.887906][ T413] ? create_io_thread+0x1e0/0x1e0 [ 20.893124][ T413] ? ptrace_stop+0x6eb/0xa30 [ 20.897933][ T413] __x64_sys_clone+0x289/0x310 [ 20.902651][ T413] ? _raw_spin_unlock_irq+0x4e/0x70 [ 20.907831][ T413] ? __do_sys_vfork+0x130/0x130 [ 20.912527][ T413] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 20.918095][ T413] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 20.924271][ T413] do_syscall_64+0x44/0xd0 [ 20.928882][ T413] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 20.934712][ T413] RIP: 0033:0x7f38de179db9 [pid 413] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 413] close(3) = 0 [pid 413] close(4) = -1 EBADF (Bad file descriptor) [pid 413] close(5) = -1 EBADF (Bad file descriptor) [pid 413] close(6) = -1 EBADF (Bad file descriptor) [pid 413] close(7) = -1 EBADF (Bad file descriptor) [pid 413] close(8) = -1 EBADF (Bad file descriptor) [pid 413] close(9) = -1 EBADF (Bad file descriptor) [pid 413] close(10) = -1 EBADF (Bad file descriptor) [pid 413] close(11) = -1 EBADF (Bad file descriptor) [pid 413] close(12) = -1 EBADF (Bad file descriptor) [pid 413] close(13) = -1 EBADF (Bad file descriptor) [pid 413] close(14) = -1 EBADF (Bad file descriptor) [pid 413] close(15) = -1 EBADF (Bad file descriptor) [pid 413] close(16) = -1 EBADF (Bad file descriptor) [pid 413] close(17) = -1 EBADF (Bad file descriptor) [pid 413] close(18) = -1 EBADF (Bad file descriptor) [pid 413] close(19) = -1 EBADF (Bad file descriptor) [pid 413] close(20) = -1 EBADF (Bad file descriptor) [pid 413] close(21) = -1 EBADF (Bad file descriptor) [pid 413] close(22) = -1 EBADF (Bad file descriptor) [pid 413] close(23) = -1 EBADF (Bad file descriptor) [pid 413] close(24) = -1 EBADF (Bad file descriptor) [pid 413] close(25) = -1 EBADF (Bad file descriptor) [pid 413] close(26) = -1 EBADF (Bad file descriptor) [pid 413] close(27) = -1 EBADF (Bad file descriptor) [pid 413] close(28) = -1 EBADF (Bad file descriptor) [pid 413] close(29) = -1 EBADF (Bad file descriptor) [pid 413] exit_group(0) = ? [pid 413] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 6 ./strace-static-x86_64: Process 414 attached [pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 414] setpgid(0, 0) = 0 [pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 414] write(3, "1000", 4) = 4 [pid 414] close(3) = 0 [pid 414] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 414] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 414] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 414] write(3, "58", 2) = 2 [ 20.939226][ T413] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 20.964141][ T413] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 20.972558][ T413] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 20.980552][ T413] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 20.988930][ T413] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 20.996821][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 21.005144][ T413] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 21.013077][ T413] [ 21.022413][ T414] FAULT_INJECTION: forcing a failure. [ 21.022413][ T414] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 21.036602][ T414] CPU: 0 PID: 414 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 21.046883][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 21.057055][ T414] Call Trace: [ 21.060177][ T414] [ 21.062955][ T414] dump_stack_lvl+0x151/0x1b7 [ 21.067478][ T414] ? bfq_pos_tree_add_move+0x43e/0x43e [ 21.072769][ T414] dump_stack+0x15/0x17 [ 21.076754][ T414] should_fail+0x3c0/0x510 [ 21.081009][ T414] should_fail_alloc_page+0x58/0x70 [ 21.086040][ T414] __alloc_pages+0x1de/0x7c0 [ 21.090473][ T414] ? __count_vm_events+0x30/0x30 [ 21.095452][ T414] ? dup_mm+0x91/0x330 [ 21.099341][ T414] ? copy_mm+0x108/0x1b0 [ 21.103423][ T414] ? copy_process+0x1295/0x3250 [ 21.108106][ T414] ? kernel_clone+0x22d/0x990 [ 21.112619][ T414] ? __x64_sys_clone+0x289/0x310 [ 21.117425][ T414] pte_alloc_one+0x73/0x1b0 [ 21.121740][ T414] ? pfn_modify_allowed+0x2e0/0x2e0 [ 21.126775][ T414] ? __kasan_check_write+0x14/0x20 [ 21.131719][ T414] ? __set_page_owner+0x2ee/0x310 [ 21.136574][ T414] __pte_alloc+0x86/0x350 [ 21.140747][ T414] ? post_alloc_hook+0x1ab/0x1b0 [ 21.145520][ T414] ? free_pgtables+0x210/0x210 [ 21.150154][ T414] ? get_page_from_freelist+0x38b/0x400 [ 21.155588][ T414] copy_pte_range+0x1b1f/0x20b0 [ 21.160273][ T414] ? __kunmap_atomic+0x80/0x80 [ 21.164879][ T414] ? __pud_alloc+0x260/0x260 [ 21.169295][ T414] ? __pud_alloc+0x218/0x260 [ 21.173721][ T414] ? do_handle_mm_fault+0x2370/0x2370 [ 21.178930][ T414] copy_page_range+0xc1e/0x1090 [ 21.183625][ T414] ? pfn_valid+0x1e0/0x1e0 [ 21.187873][ T414] dup_mmap+0x99f/0xea0 [ 21.191861][ T414] ? __delayed_free_task+0x20/0x20 [ 21.196807][ T414] ? mm_init+0x807/0x960 [ 21.200886][ T414] dup_mm+0x91/0x330 [ 21.204620][ T414] copy_mm+0x108/0x1b0 [ 21.208528][ T414] copy_process+0x1295/0x3250 [ 21.213041][ T414] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 21.217985][ T414] ? __kasan_check_write+0x14/0x20 [ 21.222946][ T414] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 21.227890][ T414] kernel_clone+0x22d/0x990 [ 21.232312][ T414] ? cgroup_update_frozen+0x155/0x320 [ 21.237513][ T414] ? _raw_spin_unlock_irq+0x4e/0x70 [ 21.242634][ T414] ? create_io_thread+0x1e0/0x1e0 [ 21.247495][ T414] ? ptrace_stop+0x6eb/0xa30 [ 21.252077][ T414] __x64_sys_clone+0x289/0x310 [ 21.256607][ T414] ? _raw_spin_unlock_irq+0x4e/0x70 [ 21.261677][ T414] ? __do_sys_vfork+0x130/0x130 [ 21.266339][ T414] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 21.271795][ T414] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 21.277655][ T414] do_syscall_64+0x44/0xd0 [ 21.281862][ T414] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 21.287598][ T414] RIP: 0033:0x7f38de179db9 [ 21.291843][ T414] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [pid 414] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 414] close(3) = 0 [pid 414] close(4) = -1 EBADF (Bad file descriptor) [pid 414] close(5) = -1 EBADF (Bad file descriptor) [pid 414] close(6) = -1 EBADF (Bad file descriptor) [pid 414] close(7) = -1 EBADF (Bad file descriptor) [pid 414] close(8) = -1 EBADF (Bad file descriptor) [pid 414] close(9) = -1 EBADF (Bad file descriptor) [pid 414] close(10) = -1 EBADF (Bad file descriptor) [pid 414] close(11) = -1 EBADF (Bad file descriptor) [pid 414] close(12) = -1 EBADF (Bad file descriptor) [pid 414] close(13) = -1 EBADF (Bad file descriptor) [pid 414] close(14) = -1 EBADF (Bad file descriptor) [pid 414] close(15) = -1 EBADF (Bad file descriptor) [pid 414] close(16) = -1 EBADF (Bad file descriptor) [pid 414] close(17) = -1 EBADF (Bad file descriptor) [pid 414] close(18) = -1 EBADF (Bad file descriptor) [pid 414] close(19) = -1 EBADF (Bad file descriptor) [pid 414] close(20) = -1 EBADF (Bad file descriptor) [pid 414] close(21) = -1 EBADF (Bad file descriptor) [pid 414] close(22) = -1 EBADF (Bad file descriptor) [pid 414] close(23) = -1 EBADF (Bad file descriptor) [pid 414] close(24) = -1 EBADF (Bad file descriptor) [pid 414] close(25) = -1 EBADF (Bad file descriptor) [pid 414] close(26) = -1 EBADF (Bad file descriptor) [pid 414] close(27) = -1 EBADF (Bad file descriptor) [pid 414] close(28) = -1 EBADF (Bad file descriptor) [pid 414] close(29) = -1 EBADF (Bad file descriptor) [pid 414] exit_group(0) = ? [pid 414] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 7 ./strace-static-x86_64: Process 415 attached [pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 415] setpgid(0, 0) = 0 [pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 415] write(3, "1000", 4) = 4 [pid 415] close(3) = 0 [pid 415] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 415] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 415] write(3, "58", 2) = 2 [ 21.311637][ T414] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 21.319877][ T414] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 21.327688][ T414] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 21.335507][ T414] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 21.343312][ T414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 21.351121][ T414] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 21.358945][ T414] [ 21.367873][ T415] FAULT_INJECTION: forcing a failure. [ 21.367873][ T415] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 21.380964][ T415] CPU: 1 PID: 415 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 21.391213][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 21.401107][ T415] Call Trace: [ 21.404238][ T415] [ 21.407103][ T415] dump_stack_lvl+0x151/0x1b7 [ 21.411606][ T415] ? bfq_pos_tree_add_move+0x43e/0x43e [ 21.417596][ T415] ? __kasan_check_write+0x14/0x20 [ 21.422545][ T415] ? __set_page_owner+0x2ee/0x310 [ 21.427413][ T415] dump_stack+0x15/0x17 [ 21.431394][ T415] should_fail+0x3c0/0x510 [ 21.435828][ T415] should_fail_alloc_page+0x58/0x70 [ 21.440863][ T415] __alloc_pages+0x1de/0x7c0 [ 21.445295][ T415] ? __count_vm_events+0x30/0x30 [ 21.450093][ T415] ? __count_vm_events+0x30/0x30 [ 21.454832][ T415] ? __kasan_check_write+0x14/0x20 [ 21.459782][ T415] ? _raw_spin_lock+0xa3/0x1b0 [ 21.464375][ T415] __pmd_alloc+0xb1/0x550 [ 21.468891][ T415] ? kmem_cache_alloc+0x189/0x2f0 [ 21.473749][ T415] ? anon_vma_fork+0x1b9/0x4f0 [ 21.478350][ T415] ? __pud_alloc+0x260/0x260 [ 21.482779][ T415] ? __pud_alloc+0x218/0x260 [ 21.487290][ T415] ? do_handle_mm_fault+0x2370/0x2370 [ 21.492500][ T415] copy_page_range+0xd04/0x1090 [ 21.497185][ T415] ? pfn_valid+0x1e0/0x1e0 [ 21.501435][ T415] dup_mmap+0x99f/0xea0 [ 21.505432][ T415] ? __delayed_free_task+0x20/0x20 [ 21.510375][ T415] ? mm_init+0x807/0x960 [ 21.514456][ T415] dup_mm+0x91/0x330 [ 21.518221][ T415] copy_mm+0x108/0x1b0 [ 21.522095][ T415] copy_process+0x1295/0x3250 [ 21.526609][ T415] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 21.531989][ T415] ? __kasan_check_write+0x14/0x20 [ 21.536938][ T415] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 21.542025][ T415] kernel_clone+0x22d/0x990 [ 21.546357][ T415] ? cgroup_update_frozen+0x155/0x320 [ 21.551563][ T415] ? _raw_spin_unlock_irq+0x4e/0x70 [ 21.556596][ T415] ? create_io_thread+0x1e0/0x1e0 [ 21.561883][ T415] ? ptrace_stop+0x6eb/0xa30 [ 21.566303][ T415] __x64_sys_clone+0x289/0x310 [ 21.570901][ T415] ? _raw_spin_unlock_irq+0x4e/0x70 [ 21.575933][ T415] ? __do_sys_vfork+0x130/0x130 [ 21.580622][ T415] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 21.586090][ T415] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 21.591904][ T415] do_syscall_64+0x44/0xd0 [ 21.596155][ T415] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 21.601883][ T415] RIP: 0033:0x7f38de179db9 [pid 415] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 415] close(3) = 0 [pid 415] close(4) = -1 EBADF (Bad file descriptor) [pid 415] close(5) = -1 EBADF (Bad file descriptor) [pid 415] close(6) = -1 EBADF (Bad file descriptor) [pid 415] close(7) = -1 EBADF (Bad file descriptor) [pid 415] close(8) = -1 EBADF (Bad file descriptor) [pid 415] close(9) = -1 EBADF (Bad file descriptor) [pid 415] close(10) = -1 EBADF (Bad file descriptor) [pid 415] close(11) = -1 EBADF (Bad file descriptor) [pid 415] close(12) = -1 EBADF (Bad file descriptor) [pid 415] close(13) = -1 EBADF (Bad file descriptor) [pid 415] close(14) = -1 EBADF (Bad file descriptor) [pid 415] close(15) = -1 EBADF (Bad file descriptor) [ 21.606138][ T415] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 21.625673][ T415] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 21.633936][ T415] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 21.641896][ T415] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 21.649707][ T415] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 21.657608][ T415] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [pid 415] close(16) = -1 EBADF (Bad file descriptor) [pid 415] close(17) = -1 EBADF (Bad file descriptor) [pid 415] close(18) = -1 EBADF (Bad file descriptor) [pid 415] close(19) = -1 EBADF (Bad file descriptor) [pid 415] close(20) = -1 EBADF (Bad file descriptor) [pid 415] close(21) = -1 EBADF (Bad file descriptor) [pid 415] close(22) = -1 EBADF (Bad file descriptor) [pid 415] close(23) = -1 EBADF (Bad file descriptor) [pid 415] close(24) = -1 EBADF (Bad file descriptor) [pid 415] close(25) = -1 EBADF (Bad file descriptor) [pid 415] close(26) = -1 EBADF (Bad file descriptor) [pid 415] close(27) = -1 EBADF (Bad file descriptor) [pid 415] close(28) = -1 EBADF (Bad file descriptor) [pid 415] close(29) = -1 EBADF (Bad file descriptor) [pid 415] exit_group(0) = ? [pid 415] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 8 ./strace-static-x86_64: Process 417 attached [pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 417] setpgid(0, 0) = 0 [pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 417] write(3, "1000", 4) = 4 [pid 417] close(3) = 0 [pid 417] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 417] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 417] write(3, "58", 2) = 2 [ 21.665839][ T415] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 21.673657][ T415] [ 21.682665][ T417] FAULT_INJECTION: forcing a failure. [ 21.682665][ T417] name failslab, interval 1, probability 0, space 0, times 0 [ 21.695854][ T417] CPU: 0 PID: 417 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 21.705889][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 21.715906][ T417] Call Trace: [ 21.718994][ T417] [ 21.721801][ T417] dump_stack_lvl+0x151/0x1b7 [ 21.726282][ T417] ? bfq_pos_tree_add_move+0x43e/0x43e [ 21.731667][ T417] dump_stack+0x15/0x17 [ 21.735661][ T417] should_fail+0x3c0/0x510 [ 21.740008][ T417] __should_failslab+0x9f/0xe0 [ 21.744611][ T417] should_failslab+0x9/0x20 [ 21.748943][ T417] kmem_cache_alloc+0x4f/0x2f0 [ 21.753536][ T417] ? vm_area_dup+0x26/0x1d0 [ 21.757880][ T417] vm_area_dup+0x26/0x1d0 [ 21.762052][ T417] dup_mmap+0x6b8/0xea0 [ 21.766044][ T417] ? __delayed_free_task+0x20/0x20 [ 21.770988][ T417] ? mm_init+0x807/0x960 [ 21.775096][ T417] dup_mm+0x91/0x330 [ 21.778792][ T417] copy_mm+0x108/0x1b0 [ 21.782703][ T417] copy_process+0x1295/0x3250 [ 21.787476][ T417] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 21.792465][ T417] ? __kasan_check_write+0x14/0x20 [ 21.797367][ T417] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 21.802316][ T417] kernel_clone+0x22d/0x990 [ 21.806765][ T417] ? cgroup_update_frozen+0x155/0x320 [ 21.811965][ T417] ? _raw_spin_unlock_irq+0x4e/0x70 [ 21.817089][ T417] ? create_io_thread+0x1e0/0x1e0 [ 21.821952][ T417] ? ptrace_stop+0x6eb/0xa30 [ 21.826380][ T417] __x64_sys_clone+0x289/0x310 [ 21.831061][ T417] ? _raw_spin_unlock_irq+0x4e/0x70 [ 21.836109][ T417] ? __do_sys_vfork+0x130/0x130 [ 21.840783][ T417] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 21.846263][ T417] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 21.852069][ T417] do_syscall_64+0x44/0xd0 [ 21.856317][ T417] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 21.862050][ T417] RIP: 0033:0x7f38de179db9 [ 21.866336][ T417] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 21.886004][ T417] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 21.894425][ T417] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 21.902230][ T417] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 21.910039][ T417] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [pid 417] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 417] close(3) = 0 [pid 417] close(4) = -1 EBADF (Bad file descriptor) [pid 417] close(5) = -1 EBADF (Bad file descriptor) [pid 417] close(6) = -1 EBADF (Bad file descriptor) [pid 417] close(7) = -1 EBADF (Bad file descriptor) [pid 417] close(8) = -1 EBADF (Bad file descriptor) [pid 417] close(9) = -1 EBADF (Bad file descriptor) [pid 417] close(10) = -1 EBADF (Bad file descriptor) [pid 417] close(11) = -1 EBADF (Bad file descriptor) [pid 417] close(12) = -1 EBADF (Bad file descriptor) [pid 417] close(13) = -1 EBADF (Bad file descriptor) [pid 417] close(14) = -1 EBADF (Bad file descriptor) [pid 417] close(15) = -1 EBADF (Bad file descriptor) [pid 417] close(16) = -1 EBADF (Bad file descriptor) [pid 417] close(17) = -1 EBADF (Bad file descriptor) [pid 417] close(18) = -1 EBADF (Bad file descriptor) [pid 417] close(19) = -1 EBADF (Bad file descriptor) [pid 417] close(20) = -1 EBADF (Bad file descriptor) [pid 417] close(21) = -1 EBADF (Bad file descriptor) [pid 417] close(22) = -1 EBADF (Bad file descriptor) [pid 417] close(23) = -1 EBADF (Bad file descriptor) [pid 417] close(24) = -1 EBADF (Bad file descriptor) [pid 417] close(25) = -1 EBADF (Bad file descriptor) [pid 417] close(26) = -1 EBADF (Bad file descriptor) [pid 417] close(27) = -1 EBADF (Bad file descriptor) [pid 417] close(28) = -1 EBADF (Bad file descriptor) [pid 417] close(29) = -1 EBADF (Bad file descriptor) [pid 417] exit_group(0) = ? [pid 417] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 418 attached , child_tidptr=0x5555556bd5d0) = 9 [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 418] setpgid(0, 0) = 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 418] write(3, "1000", 4) = 4 [pid 418] close(3) = 0 [pid 418] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 418] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 418] write(3, "58", 2) = 2 [ 21.917850][ T417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 21.925665][ T417] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 21.933482][ T417] [ 21.942618][ T418] FAULT_INJECTION: forcing a failure. [ 21.942618][ T418] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 21.955789][ T418] CPU: 1 PID: 418 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 21.965690][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 21.975585][ T418] Call Trace: [ 21.978705][ T418] [ 21.981485][ T418] dump_stack_lvl+0x151/0x1b7 [ 21.985998][ T418] ? bfq_pos_tree_add_move+0x43e/0x43e [ 21.991379][ T418] ? __kasan_check_write+0x14/0x20 [ 21.996325][ T418] ? __set_page_owner+0x2ee/0x310 [ 22.001189][ T418] dump_stack+0x15/0x17 [ 22.005214][ T418] should_fail+0x3c0/0x510 [ 22.009658][ T418] should_fail_alloc_page+0x58/0x70 [ 22.014688][ T418] __alloc_pages+0x1de/0x7c0 [ 22.019114][ T418] ? __count_vm_events+0x30/0x30 [ 22.023889][ T418] ? __count_vm_events+0x30/0x30 [ 22.028660][ T418] ? __kasan_check_write+0x14/0x20 [ 22.033610][ T418] ? _raw_spin_lock+0xa3/0x1b0 [ 22.038299][ T418] __pmd_alloc+0xb1/0x550 [ 22.042467][ T418] ? kmem_cache_alloc+0x189/0x2f0 [ 22.047340][ T418] ? anon_vma_fork+0x1b9/0x4f0 [ 22.051936][ T418] ? __pud_alloc+0x260/0x260 [ 22.056543][ T418] ? __pud_alloc+0x218/0x260 [ 22.060956][ T418] ? do_handle_mm_fault+0x2370/0x2370 [ 22.066166][ T418] copy_page_range+0xd04/0x1090 [ 22.070867][ T418] ? pfn_valid+0x1e0/0x1e0 [ 22.075106][ T418] dup_mmap+0x99f/0xea0 [ 22.079105][ T418] ? __delayed_free_task+0x20/0x20 [ 22.084054][ T418] ? mm_init+0x807/0x960 [ 22.088128][ T418] dup_mm+0x91/0x330 [ 22.091857][ T418] copy_mm+0x108/0x1b0 [ 22.095771][ T418] copy_process+0x1295/0x3250 [ 22.100277][ T418] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 22.105248][ T418] ? __kasan_check_write+0x14/0x20 [ 22.110170][ T418] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.115114][ T418] kernel_clone+0x22d/0x990 [ 22.119625][ T418] ? cgroup_update_frozen+0x155/0x320 [ 22.124830][ T418] ? _raw_spin_unlock_irq+0x4e/0x70 [ 22.129864][ T418] ? create_io_thread+0x1e0/0x1e0 [ 22.134731][ T418] ? ptrace_stop+0x6eb/0xa30 [ 22.139152][ T418] __x64_sys_clone+0x289/0x310 [ 22.143748][ T418] ? _raw_spin_unlock_irq+0x4e/0x70 [ 22.148783][ T418] ? __do_sys_vfork+0x130/0x130 [ 22.153472][ T418] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 22.158945][ T418] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 22.164759][ T418] do_syscall_64+0x44/0xd0 [ 22.169009][ T418] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 22.174737][ T418] RIP: 0033:0x7f38de179db9 [ 22.178995][ T418] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 22.198546][ T418] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 22.206789][ T418] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [pid 418] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 418] close(3) = 0 [pid 418] close(4) = -1 EBADF (Bad file descriptor) [pid 418] close(5) = -1 EBADF (Bad file descriptor) [pid 418] close(6) = -1 EBADF (Bad file descriptor) [pid 418] close(7) = -1 EBADF (Bad file descriptor) [pid 418] close(8) = -1 EBADF (Bad file descriptor) [pid 418] close(9) = -1 EBADF (Bad file descriptor) [pid 418] close(10) = -1 EBADF (Bad file descriptor) [pid 418] close(11) = -1 EBADF (Bad file descriptor) [pid 418] close(12) = -1 EBADF (Bad file descriptor) [pid 418] close(13) = -1 EBADF (Bad file descriptor) [pid 418] close(14) = -1 EBADF (Bad file descriptor) [pid 418] close(15) = -1 EBADF (Bad file descriptor) [pid 418] close(16) = -1 EBADF (Bad file descriptor) [pid 418] close(17) = -1 EBADF (Bad file descriptor) [pid 418] close(18) = -1 EBADF (Bad file descriptor) [pid 418] close(19) = -1 EBADF (Bad file descriptor) [pid 418] close(20) = -1 EBADF (Bad file descriptor) [pid 418] close(21) = -1 EBADF (Bad file descriptor) [pid 418] close(22) = -1 EBADF (Bad file descriptor) [pid 418] close(23) = -1 EBADF (Bad file descriptor) [pid 418] close(24) = -1 EBADF (Bad file descriptor) [pid 418] close(25) = -1 EBADF (Bad file descriptor) [pid 418] close(26) = -1 EBADF (Bad file descriptor) [pid 418] close(27) = -1 EBADF (Bad file descriptor) [pid 418] close(28) = -1 EBADF (Bad file descriptor) [pid 418] close(29) = -1 EBADF (Bad file descriptor) [pid 418] exit_group(0) = ? [pid 418] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 419 attached , child_tidptr=0x5555556bd5d0) = 10 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 [pid 419] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 419] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 419] write(3, "58", 2) = 2 [ 22.214601][ T418] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 22.222406][ T418] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 22.230221][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 22.238464][ T418] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 22.246373][ T418] [ 22.259511][ T419] FAULT_INJECTION: forcing a failure. [ 22.259511][ T419] name failslab, interval 1, probability 0, space 0, times 0 [ 22.272020][ T419] CPU: 0 PID: 419 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 22.281906][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 22.291798][ T419] Call Trace: [ 22.294924][ T419] [ 22.297703][ T419] dump_stack_lvl+0x151/0x1b7 [ 22.302213][ T419] ? bfq_pos_tree_add_move+0x43e/0x43e [ 22.307505][ T419] dump_stack+0x15/0x17 [ 22.311506][ T419] should_fail+0x3c0/0x510 [ 22.315757][ T419] __should_failslab+0x9f/0xe0 [ 22.320375][ T419] should_failslab+0x9/0x20 [ 22.324799][ T419] kmem_cache_alloc+0x4f/0x2f0 [ 22.329402][ T419] ? vm_area_dup+0x26/0x1d0 [ 22.333741][ T419] ? __kasan_check_read+0x11/0x20 [ 22.338596][ T419] vm_area_dup+0x26/0x1d0 [ 22.342763][ T419] dup_mmap+0x6b8/0xea0 [ 22.346757][ T419] ? __delayed_free_task+0x20/0x20 [ 22.351800][ T419] ? mm_init+0x807/0x960 [ 22.355871][ T419] dup_mm+0x91/0x330 [ 22.359608][ T419] copy_mm+0x108/0x1b0 [ 22.363603][ T419] copy_process+0x1295/0x3250 [ 22.368132][ T419] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 22.373059][ T419] ? __kasan_check_write+0x14/0x20 [ 22.378007][ T419] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.382954][ T419] kernel_clone+0x22d/0x990 [ 22.387308][ T419] ? cgroup_update_frozen+0x155/0x320 [ 22.392501][ T419] ? _raw_spin_unlock_irq+0x4e/0x70 [ 22.397532][ T419] ? create_io_thread+0x1e0/0x1e0 [ 22.402656][ T419] ? ptrace_stop+0x6eb/0xa30 [ 22.407089][ T419] __x64_sys_clone+0x289/0x310 [ 22.411860][ T419] ? _raw_spin_unlock_irq+0x4e/0x70 [ 22.417245][ T419] ? __do_sys_vfork+0x130/0x130 [ 22.421919][ T419] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 22.427391][ T419] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 22.433293][ T419] do_syscall_64+0x44/0xd0 [ 22.437635][ T419] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 22.443877][ T419] RIP: 0033:0x7f38de179db9 [ 22.448142][ T419] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [pid 419] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 419] close(3) = 0 [pid 419] close(4) = -1 EBADF (Bad file descriptor) [pid 419] close(5) = -1 EBADF (Bad file descriptor) [pid 419] close(6) = -1 EBADF (Bad file descriptor) [pid 419] close(7) = -1 EBADF (Bad file descriptor) [pid 419] close(8) = -1 EBADF (Bad file descriptor) [pid 419] close(9) = -1 EBADF (Bad file descriptor) [pid 419] close(10) = -1 EBADF (Bad file descriptor) [pid 419] close(11) = -1 EBADF (Bad file descriptor) [pid 419] close(12) = -1 EBADF (Bad file descriptor) [pid 419] close(13) = -1 EBADF (Bad file descriptor) [pid 419] close(14) = -1 EBADF (Bad file descriptor) [pid 419] close(15) = -1 EBADF (Bad file descriptor) [pid 419] close(16) = -1 EBADF (Bad file descriptor) [pid 419] close(17) = -1 EBADF (Bad file descriptor) [pid 419] close(18) = -1 EBADF (Bad file descriptor) [pid 419] close(19) = -1 EBADF (Bad file descriptor) [pid 419] close(20) = -1 EBADF (Bad file descriptor) [pid 419] close(21) = -1 EBADF (Bad file descriptor) [pid 419] close(22) = -1 EBADF (Bad file descriptor) [pid 419] close(23) = -1 EBADF (Bad file descriptor) [pid 419] close(24) = -1 EBADF (Bad file descriptor) [pid 419] close(25) = -1 EBADF (Bad file descriptor) [pid 419] close(26) = -1 EBADF (Bad file descriptor) [pid 419] close(27) = -1 EBADF (Bad file descriptor) [pid 419] close(28) = -1 EBADF (Bad file descriptor) [pid 419] close(29) = -1 EBADF (Bad file descriptor) [pid 419] exit_group(0) = ? [pid 419] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 11 ./strace-static-x86_64: Process 420 attached [pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 420] setpgid(0, 0) = 0 [pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 420] write(3, "1000", 4) = 4 [pid 420] close(3) = 0 [pid 420] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 420] write(3, "58", 2) = 2 [ 22.467836][ T419] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 22.476080][ T419] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 22.483894][ T419] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 22.491790][ T419] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 22.499736][ T419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 22.507642][ T419] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 22.515453][ T419] [ 22.530663][ T420] FAULT_INJECTION: forcing a failure. [ 22.530663][ T420] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 22.543776][ T420] CPU: 1 PID: 420 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 22.553828][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 22.563960][ T420] Call Trace: [ 22.567013][ T420] [ 22.569879][ T420] dump_stack_lvl+0x151/0x1b7 [ 22.574486][ T420] ? bfq_pos_tree_add_move+0x43e/0x43e [ 22.579775][ T420] dump_stack+0x15/0x17 [ 22.583769][ T420] should_fail+0x3c0/0x510 [ 22.588147][ T420] should_fail_alloc_page+0x58/0x70 [ 22.593137][ T420] __alloc_pages+0x1de/0x7c0 [ 22.597560][ T420] ? __count_vm_events+0x30/0x30 [ 22.602335][ T420] ? dup_mm+0x91/0x330 [ 22.606240][ T420] ? copy_mm+0x108/0x1b0 [ 22.610323][ T420] ? copy_process+0x1295/0x3250 [ 22.615006][ T420] ? kernel_clone+0x22d/0x990 [ 22.619520][ T420] ? __x64_sys_clone+0x289/0x310 [ 22.624295][ T420] pte_alloc_one+0x73/0x1b0 [ 22.628636][ T420] ? pfn_modify_allowed+0x2e0/0x2e0 [ 22.633926][ T420] ? __kasan_check_write+0x14/0x20 [ 22.638959][ T420] ? __set_page_owner+0x2ee/0x310 [ 22.643830][ T420] __pte_alloc+0x86/0x350 [ 22.647988][ T420] ? post_alloc_hook+0x1ab/0x1b0 [ 22.652760][ T420] ? free_pgtables+0x210/0x210 [ 22.657459][ T420] ? get_page_from_freelist+0x38b/0x400 [ 22.662917][ T420] copy_pte_range+0x1b1f/0x20b0 [ 22.667603][ T420] ? __kunmap_atomic+0x80/0x80 [ 22.672202][ T420] ? __pud_alloc+0x260/0x260 [ 22.676627][ T420] ? __pud_alloc+0x218/0x260 [ 22.681054][ T420] ? do_handle_mm_fault+0x2370/0x2370 [ 22.686353][ T420] copy_page_range+0xc1e/0x1090 [ 22.691035][ T420] ? pfn_valid+0x1e0/0x1e0 [ 22.695287][ T420] dup_mmap+0x99f/0xea0 [ 22.699281][ T420] ? __delayed_free_task+0x20/0x20 [ 22.704258][ T420] ? mm_init+0x807/0x960 [ 22.708308][ T420] dup_mm+0x91/0x330 [ 22.712038][ T420] copy_mm+0x108/0x1b0 [ 22.715942][ T420] copy_process+0x1295/0x3250 [ 22.720482][ T420] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 22.725410][ T420] ? __kasan_check_write+0x14/0x20 [ 22.730354][ T420] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.735299][ T420] kernel_clone+0x22d/0x990 [ 22.739661][ T420] ? cgroup_update_frozen+0x155/0x320 [ 22.744846][ T420] ? _raw_spin_unlock_irq+0x4e/0x70 [ 22.749878][ T420] ? create_io_thread+0x1e0/0x1e0 [ 22.754739][ T420] ? ptrace_stop+0x6eb/0xa30 [ 22.759344][ T420] __x64_sys_clone+0x289/0x310 [ 22.763941][ T420] ? _raw_spin_unlock_irq+0x4e/0x70 [ 22.768972][ T420] ? __do_sys_vfork+0x130/0x130 [ 22.773744][ T420] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 22.779216][ T420] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 22.785029][ T420] do_syscall_64+0x44/0xd0 [ 22.789287][ T420] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 22.795019][ T420] RIP: 0033:0x7f38de179db9 [ 22.799373][ T420] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 22.818813][ T420] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [pid 420] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 420] close(3) = 0 [pid 420] close(4) = -1 EBADF (Bad file descriptor) [pid 420] close(5) = -1 EBADF (Bad file descriptor) [pid 420] close(6) = -1 EBADF (Bad file descriptor) [pid 420] close(7) = -1 EBADF (Bad file descriptor) [pid 420] close(8) = -1 EBADF (Bad file descriptor) [pid 420] close(9) = -1 EBADF (Bad file descriptor) [pid 420] close(10) = -1 EBADF (Bad file descriptor) [pid 420] close(11) = -1 EBADF (Bad file descriptor) [pid 420] close(12) = -1 EBADF (Bad file descriptor) [pid 420] close(13) = -1 EBADF (Bad file descriptor) [pid 420] close(14) = -1 EBADF (Bad file descriptor) [pid 420] close(15) = -1 EBADF (Bad file descriptor) [pid 420] close(16) = -1 EBADF (Bad file descriptor) [pid 420] close(17) = -1 EBADF (Bad file descriptor) [pid 420] close(18) = -1 EBADF (Bad file descriptor) [pid 420] close(19) = -1 EBADF (Bad file descriptor) [pid 420] close(20) = -1 EBADF (Bad file descriptor) [pid 420] close(21) = -1 EBADF (Bad file descriptor) [pid 420] close(22) = -1 EBADF (Bad file descriptor) [pid 420] close(23) = -1 EBADF (Bad file descriptor) [pid 420] close(24) = -1 EBADF (Bad file descriptor) [pid 420] close(25) = -1 EBADF (Bad file descriptor) [pid 420] close(26) = -1 EBADF (Bad file descriptor) [pid 420] close(27) = -1 EBADF (Bad file descriptor) [pid 420] close(28) = -1 EBADF (Bad file descriptor) [pid 420] close(29) = -1 EBADF (Bad file descriptor) [pid 420] exit_group(0) = ? [pid 420] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 12 ./strace-static-x86_64: Process 422 attached [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 422] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 422] write(3, "58", 2) = 2 [ 22.827060][ T420] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 22.835010][ T420] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 22.842806][ T420] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 22.850620][ T420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 22.858530][ T420] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 22.866337][ T420] [ 22.876692][ T422] FAULT_INJECTION: forcing a failure. [ 22.876692][ T422] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 22.889905][ T422] CPU: 0 PID: 422 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 22.900950][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 22.910933][ T422] Call Trace: [ 22.914057][ T422] [ 22.916833][ T422] dump_stack_lvl+0x151/0x1b7 [ 22.921346][ T422] ? bfq_pos_tree_add_move+0x43e/0x43e [ 22.926730][ T422] dump_stack+0x15/0x17 [ 22.930720][ T422] should_fail+0x3c0/0x510 [ 22.934971][ T422] should_fail_alloc_page+0x58/0x70 [ 22.940003][ T422] __alloc_pages+0x1de/0x7c0 [ 22.944431][ T422] ? __count_vm_events+0x30/0x30 [ 22.949206][ T422] ? dup_mm+0x91/0x330 [ 22.953111][ T422] ? copy_mm+0x108/0x1b0 [ 22.957189][ T422] ? copy_process+0x1295/0x3250 [ 22.962224][ T422] ? kernel_clone+0x22d/0x990 [ 22.966736][ T422] ? __x64_sys_clone+0x289/0x310 [ 22.971537][ T422] pte_alloc_one+0x73/0x1b0 [ 22.975851][ T422] ? pfn_modify_allowed+0x2e0/0x2e0 [ 22.980887][ T422] ? __kasan_check_write+0x14/0x20 [ 22.985839][ T422] ? __set_page_owner+0x2ee/0x310 [ 22.990698][ T422] __pte_alloc+0x86/0x350 [ 22.994858][ T422] ? post_alloc_hook+0x1ab/0x1b0 [ 22.999645][ T422] ? free_pgtables+0x210/0x210 [ 23.004249][ T422] ? get_page_from_freelist+0x38b/0x400 [ 23.009631][ T422] copy_pte_range+0x1b1f/0x20b0 [ 23.014311][ T422] ? __kunmap_atomic+0x80/0x80 [ 23.018913][ T422] ? __pud_alloc+0x260/0x260 [ 23.023365][ T422] ? __pud_alloc+0x218/0x260 [ 23.027752][ T422] ? do_handle_mm_fault+0x2370/0x2370 [ 23.032961][ T422] copy_page_range+0xc1e/0x1090 [ 23.037651][ T422] ? pfn_valid+0x1e0/0x1e0 [ 23.041903][ T422] dup_mmap+0x99f/0xea0 [ 23.045894][ T422] ? __delayed_free_task+0x20/0x20 [ 23.050845][ T422] ? mm_init+0x807/0x960 [ 23.054945][ T422] dup_mm+0x91/0x330 [ 23.058657][ T422] copy_mm+0x108/0x1b0 [ 23.062570][ T422] copy_process+0x1295/0x3250 [ 23.067273][ T422] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 23.072192][ T422] ? __kasan_check_write+0x14/0x20 [ 23.077136][ T422] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 23.082085][ T422] kernel_clone+0x22d/0x990 [ 23.086425][ T422] ? cgroup_update_frozen+0x155/0x320 [ 23.091628][ T422] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.096669][ T422] ? create_io_thread+0x1e0/0x1e0 [ 23.101526][ T422] ? ptrace_stop+0x6eb/0xa30 [ 23.105952][ T422] __x64_sys_clone+0x289/0x310 [ 23.110814][ T422] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.115846][ T422] ? __do_sys_vfork+0x130/0x130 [ 23.120536][ T422] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 23.125999][ T422] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 23.131816][ T422] do_syscall_64+0x44/0xd0 [ 23.136066][ T422] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 23.141794][ T422] RIP: 0033:0x7f38de179db9 [ 23.146049][ T422] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 23.165492][ T422] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 23.173970][ T422] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [pid 422] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 422] close(3) = 0 [pid 422] close(4) = -1 EBADF (Bad file descriptor) [pid 422] close(5) = -1 EBADF (Bad file descriptor) [pid 422] close(6) = -1 EBADF (Bad file descriptor) [pid 422] close(7) = -1 EBADF (Bad file descriptor) [pid 422] close(8) = -1 EBADF (Bad file descriptor) [pid 422] close(9) = -1 EBADF (Bad file descriptor) [pid 422] close(10) = -1 EBADF (Bad file descriptor) [pid 422] close(11) = -1 EBADF (Bad file descriptor) [pid 422] close(12) = -1 EBADF (Bad file descriptor) [pid 422] close(13) = -1 EBADF (Bad file descriptor) [pid 422] close(14) = -1 EBADF (Bad file descriptor) [pid 422] close(15) = -1 EBADF (Bad file descriptor) [pid 422] close(16) = -1 EBADF (Bad file descriptor) [pid 422] close(17) = -1 EBADF (Bad file descriptor) [pid 422] close(18) = -1 EBADF (Bad file descriptor) [pid 422] close(19) = -1 EBADF (Bad file descriptor) [pid 422] close(20) = -1 EBADF (Bad file descriptor) [pid 422] close(21) = -1 EBADF (Bad file descriptor) [pid 422] close(22) = -1 EBADF (Bad file descriptor) [pid 422] close(23) = -1 EBADF (Bad file descriptor) [pid 422] close(24) = -1 EBADF (Bad file descriptor) [pid 422] close(25) = -1 EBADF (Bad file descriptor) [pid 422] close(26) = -1 EBADF (Bad file descriptor) [pid 422] close(27) = -1 EBADF (Bad file descriptor) [pid 422] close(28) = -1 EBADF (Bad file descriptor) [pid 422] close(29) = -1 EBADF (Bad file descriptor) [pid 422] exit_group(0) = ? [pid 422] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 13 ./strace-static-x86_64: Process 423 attached [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 423] setpgid(0, 0) = 0 [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 423] write(3, "1000", 4) = 4 [pid 423] close(3) = 0 [pid 423] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 423] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 423] write(3, "58", 2) = 2 [ 23.181808][ T422] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 23.189703][ T422] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 23.197517][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 23.205330][ T422] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 23.213143][ T422] [ 23.223079][ T423] FAULT_INJECTION: forcing a failure. [ 23.223079][ T423] name failslab, interval 1, probability 0, space 0, times 0 [ 23.236908][ T423] CPU: 1 PID: 423 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 23.246971][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 23.256842][ T423] Call Trace: [ 23.259963][ T423] [ 23.262741][ T423] dump_stack_lvl+0x151/0x1b7 [ 23.267258][ T423] ? bfq_pos_tree_add_move+0x43e/0x43e [ 23.272593][ T423] dump_stack+0x15/0x17 [ 23.276542][ T423] should_fail+0x3c0/0x510 [ 23.280798][ T423] __should_failslab+0x9f/0xe0 [ 23.285396][ T423] should_failslab+0x9/0x20 [ 23.289733][ T423] kmem_cache_alloc+0x4f/0x2f0 [ 23.294338][ T423] ? vm_area_dup+0x26/0x1d0 [ 23.298674][ T423] ? __kasan_check_read+0x11/0x20 [ 23.303534][ T423] vm_area_dup+0x26/0x1d0 [ 23.307698][ T423] dup_mmap+0x6b8/0xea0 [ 23.311692][ T423] ? __delayed_free_task+0x20/0x20 [ 23.316726][ T423] ? mm_init+0x807/0x960 [ 23.320896][ T423] dup_mm+0x91/0x330 [ 23.324626][ T423] copy_mm+0x108/0x1b0 [ 23.328531][ T423] copy_process+0x1295/0x3250 [ 23.333047][ T423] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 23.337991][ T423] ? __kasan_check_write+0x14/0x20 [ 23.342940][ T423] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 23.348753][ T423] kernel_clone+0x22d/0x990 [ 23.353091][ T423] ? cgroup_update_frozen+0x155/0x320 [ 23.358306][ T423] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.363335][ T423] ? create_io_thread+0x1e0/0x1e0 [ 23.368192][ T423] ? ptrace_stop+0x6eb/0xa30 [ 23.372622][ T423] __x64_sys_clone+0x289/0x310 [ 23.377259][ T423] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.382257][ T423] ? __do_sys_vfork+0x130/0x130 [ 23.386940][ T423] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 23.392411][ T423] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 23.398326][ T423] do_syscall_64+0x44/0xd0 [ 23.402561][ T423] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 23.408414][ T423] RIP: 0033:0x7f38de179db9 [ 23.412638][ T423] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [pid 423] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 423] close(3) = 0 [pid 423] close(4) = -1 EBADF (Bad file descriptor) [pid 423] close(5) = -1 EBADF (Bad file descriptor) [pid 423] close(6) = -1 EBADF (Bad file descriptor) [pid 423] close(7) = -1 EBADF (Bad file descriptor) [pid 423] close(8) = -1 EBADF (Bad file descriptor) [pid 423] close(9) = -1 EBADF (Bad file descriptor) [pid 423] close(10) = -1 EBADF (Bad file descriptor) [pid 423] close(11) = -1 EBADF (Bad file descriptor) [pid 423] close(12) = -1 EBADF (Bad file descriptor) [pid 423] close(13) = -1 EBADF (Bad file descriptor) [pid 423] close(14) = -1 EBADF (Bad file descriptor) [pid 423] close(15) = -1 EBADF (Bad file descriptor) [pid 423] close(16) = -1 EBADF (Bad file descriptor) [pid 423] close(17) = -1 EBADF (Bad file descriptor) [pid 423] close(18) = -1 EBADF (Bad file descriptor) [pid 423] close(19) = -1 EBADF (Bad file descriptor) [pid 423] close(20) = -1 EBADF (Bad file descriptor) [pid 423] close(21) = -1 EBADF (Bad file descriptor) [pid 423] close(22) = -1 EBADF (Bad file descriptor) [pid 423] close(23) = -1 EBADF (Bad file descriptor) [pid 423] close(24) = -1 EBADF (Bad file descriptor) [pid 423] close(25) = -1 EBADF (Bad file descriptor) [pid 423] close(26) = -1 EBADF (Bad file descriptor) [pid 423] close(27) = -1 EBADF (Bad file descriptor) [pid 423] close(28) = -1 EBADF (Bad file descriptor) [pid 423] close(29) = -1 EBADF (Bad file descriptor) [pid 423] exit_group(0) = ? [pid 423] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 14 ./strace-static-x86_64: Process 424 attached [pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 424] setpgid(0, 0) = 0 [pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 424] write(3, "1000", 4) = 4 [pid 424] close(3) = 0 [pid 424] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 424] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 424] write(3, "58", 2) = 2 [ 23.432456][ T423] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 23.440685][ T423] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 23.448501][ T423] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 23.456311][ T423] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 23.464490][ T423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 23.472305][ T423] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 23.480118][ T423] [ 23.492011][ T424] FAULT_INJECTION: forcing a failure. [ 23.492011][ T424] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 23.505157][ T424] CPU: 0 PID: 424 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 23.515122][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 23.525013][ T424] Call Trace: [ 23.528136][ T424] [ 23.530914][ T424] dump_stack_lvl+0x151/0x1b7 [ 23.535429][ T424] ? bfq_pos_tree_add_move+0x43e/0x43e [ 23.540720][ T424] ? __kasan_check_write+0x14/0x20 [ 23.545668][ T424] ? __set_page_owner+0x2ee/0x310 [ 23.550529][ T424] dump_stack+0x15/0x17 [ 23.554521][ T424] should_fail+0x3c0/0x510 [ 23.558784][ T424] should_fail_alloc_page+0x58/0x70 [ 23.563809][ T424] __alloc_pages+0x1de/0x7c0 [ 23.568238][ T424] ? __count_vm_events+0x30/0x30 [ 23.573006][ T424] ? __count_vm_events+0x30/0x30 [ 23.577798][ T424] ? __kasan_check_write+0x14/0x20 [ 23.582729][ T424] ? _raw_spin_lock+0xa3/0x1b0 [ 23.587334][ T424] __pmd_alloc+0xb1/0x550 [ 23.591493][ T424] ? kmem_cache_alloc+0x189/0x2f0 [ 23.596439][ T424] ? anon_vma_fork+0x1b9/0x4f0 [ 23.601047][ T424] ? __pud_alloc+0x260/0x260 [ 23.605465][ T424] ? __pud_alloc+0x218/0x260 [ 23.609893][ T424] ? do_handle_mm_fault+0x2370/0x2370 [ 23.615102][ T424] copy_page_range+0xd04/0x1090 [ 23.619789][ T424] ? pfn_valid+0x1e0/0x1e0 [ 23.624046][ T424] dup_mmap+0x99f/0xea0 [ 23.628032][ T424] ? __delayed_free_task+0x20/0x20 [ 23.632980][ T424] ? mm_init+0x807/0x960 [ 23.637060][ T424] dup_mm+0x91/0x330 [ 23.640791][ T424] copy_mm+0x108/0x1b0 [ 23.644695][ T424] copy_process+0x1295/0x3250 [ 23.649217][ T424] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 23.654160][ T424] ? __kasan_check_write+0x14/0x20 [ 23.659103][ T424] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 23.664137][ T424] kernel_clone+0x22d/0x990 [ 23.668478][ T424] ? cgroup_update_frozen+0x155/0x320 [ 23.673690][ T424] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.678721][ T424] ? create_io_thread+0x1e0/0x1e0 [ 23.683578][ T424] ? ptrace_stop+0x6eb/0xa30 [ 23.688007][ T424] __x64_sys_clone+0x289/0x310 [ 23.692604][ T424] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.697667][ T424] ? __do_sys_vfork+0x130/0x130 [ 23.702326][ T424] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 23.707911][ T424] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 23.713700][ T424] do_syscall_64+0x44/0xd0 [ 23.717948][ T424] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 23.723677][ T424] RIP: 0033:0x7f38de179db9 [pid 424] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 424] close(3) = 0 [pid 424] close(4) = -1 EBADF (Bad file descriptor) [pid 424] close(5) = -1 EBADF (Bad file descriptor) [pid 424] close(6) = -1 EBADF (Bad file descriptor) [pid 424] close(7) = -1 EBADF (Bad file descriptor) [pid 424] close(8) = -1 EBADF (Bad file descriptor) [pid 424] close(9) = -1 EBADF (Bad file descriptor) [pid 424] close(10) = -1 EBADF (Bad file descriptor) [pid 424] close(11) = -1 EBADF (Bad file descriptor) [pid 424] close(12) = -1 EBADF (Bad file descriptor) [pid 424] close(13) = -1 EBADF (Bad file descriptor) [pid 424] close(14) = -1 EBADF (Bad file descriptor) [pid 424] close(15) = -1 EBADF (Bad file descriptor) [pid 424] close(16) = -1 EBADF (Bad file descriptor) [pid 424] close(17) = -1 EBADF (Bad file descriptor) [pid 424] close(18) = -1 EBADF (Bad file descriptor) [pid 424] close(19) = -1 EBADF (Bad file descriptor) [pid 424] close(20) = -1 EBADF (Bad file descriptor) [pid 424] close(21) = -1 EBADF (Bad file descriptor) [pid 424] close(22) = -1 EBADF (Bad file descriptor) [pid 424] close(23) = -1 EBADF (Bad file descriptor) [pid 424] close(24) = -1 EBADF (Bad file descriptor) [pid 424] close(25) = -1 EBADF (Bad file descriptor) [pid 424] close(26) = -1 EBADF (Bad file descriptor) [pid 424] close(27) = -1 EBADF (Bad file descriptor) [pid 424] close(28) = -1 EBADF (Bad file descriptor) [pid 424] close(29) = -1 EBADF (Bad file descriptor) [pid 424] exit_group(0) = ? [pid 424] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 425 attached , child_tidptr=0x5555556bd5d0) = 15 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 425] setpgid(0, 0) = 0 [ 23.728104][ T424] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 23.747719][ T424] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 23.756052][ T424] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 23.763863][ T424] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 23.771675][ T424] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 23.779485][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 425] write(3, "1000", 4) = 4 [pid 425] close(3) = 0 [pid 425] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 425] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 425] write(3, "58", 2) = 2 [ 23.787335][ T424] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 23.795108][ T424] [ 23.805792][ T425] FAULT_INJECTION: forcing a failure. [ 23.805792][ T425] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 23.818861][ T425] CPU: 0 PID: 425 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 23.828790][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 23.838783][ T425] Call Trace: [ 23.841909][ T425] [ 23.844687][ T425] dump_stack_lvl+0x151/0x1b7 [ 23.849318][ T425] ? bfq_pos_tree_add_move+0x43e/0x43e [ 23.854579][ T425] dump_stack+0x15/0x17 [ 23.858571][ T425] should_fail+0x3c0/0x510 [ 23.862829][ T425] should_fail_alloc_page+0x58/0x70 [ 23.867858][ T425] __alloc_pages+0x1de/0x7c0 [ 23.872637][ T425] ? __count_vm_events+0x30/0x30 [ 23.877405][ T425] ? dup_mm+0x91/0x330 [ 23.881310][ T425] ? copy_mm+0x108/0x1b0 [ 23.885390][ T425] ? copy_process+0x1295/0x3250 [ 23.890107][ T425] ? kernel_clone+0x22d/0x990 [ 23.894595][ T425] ? __x64_sys_clone+0x289/0x310 [ 23.899366][ T425] pte_alloc_one+0x73/0x1b0 [ 23.903706][ T425] ? pfn_modify_allowed+0x2e0/0x2e0 [ 23.908751][ T425] ? __kasan_check_write+0x14/0x20 [ 23.913682][ T425] ? __set_page_owner+0x2ee/0x310 [ 23.918807][ T425] __pte_alloc+0x86/0x350 [ 23.922991][ T425] ? post_alloc_hook+0x1ab/0x1b0 [ 23.927778][ T425] ? free_pgtables+0x210/0x210 [ 23.932431][ T425] ? get_page_from_freelist+0x38b/0x400 [ 23.937940][ T425] copy_pte_range+0x1b1f/0x20b0 [ 23.942588][ T425] ? __kunmap_atomic+0x80/0x80 [ 23.947184][ T425] ? __pud_alloc+0x260/0x260 [ 23.951607][ T425] ? __pud_alloc+0x218/0x260 [ 23.956037][ T425] ? do_handle_mm_fault+0x2370/0x2370 [ 23.961243][ T425] copy_page_range+0xc1e/0x1090 [ 23.966018][ T425] ? pfn_valid+0x1e0/0x1e0 [ 23.970403][ T425] dup_mmap+0x99f/0xea0 [ 23.974351][ T425] ? __delayed_free_task+0x20/0x20 [ 23.979297][ T425] ? mm_init+0x807/0x960 [ 23.983376][ T425] dup_mm+0x91/0x330 [ 23.987683][ T425] copy_mm+0x108/0x1b0 [ 23.991537][ T425] copy_process+0x1295/0x3250 [ 23.996054][ T425] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 24.001083][ T425] ? __kasan_check_write+0x14/0x20 [ 24.006210][ T425] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 24.011410][ T425] kernel_clone+0x22d/0x990 [ 24.015749][ T425] ? cgroup_update_frozen+0x155/0x320 [ 24.020957][ T425] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.025988][ T425] ? create_io_thread+0x1e0/0x1e0 [ 24.030850][ T425] ? ptrace_stop+0x6eb/0xa30 [ 24.035362][ T425] __x64_sys_clone+0x289/0x310 [ 24.040488][ T425] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.045521][ T425] ? __do_sys_vfork+0x130/0x130 [ 24.050206][ T425] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 24.055675][ T425] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 24.061490][ T425] do_syscall_64+0x44/0xd0 [ 24.065914][ T425] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.071648][ T425] RIP: 0033:0x7f38de179db9 [pid 425] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 425] close(3) = 0 [pid 425] close(4) = -1 EBADF (Bad file descriptor) [pid 425] close(5) = -1 EBADF (Bad file descriptor) [pid 425] close(6) = -1 EBADF (Bad file descriptor) [pid 425] close(7) = -1 EBADF (Bad file descriptor) [pid 425] close(8) = -1 EBADF (Bad file descriptor) [pid 425] close(9) = -1 EBADF (Bad file descriptor) [pid 425] close(10) = -1 EBADF (Bad file descriptor) [pid 425] close(11) = -1 EBADF (Bad file descriptor) [pid 425] close(12) = -1 EBADF (Bad file descriptor) [pid 425] close(13) = -1 EBADF (Bad file descriptor) [pid 425] close(14) = -1 EBADF (Bad file descriptor) [pid 425] close(15) = -1 EBADF (Bad file descriptor) [pid 425] close(16) = -1 EBADF (Bad file descriptor) [pid 425] close(17) = -1 EBADF (Bad file descriptor) [pid 425] close(18) = -1 EBADF (Bad file descriptor) [pid 425] close(19) = -1 EBADF (Bad file descriptor) [pid 425] close(20) = -1 EBADF (Bad file descriptor) [pid 425] close(21) = -1 EBADF (Bad file descriptor) [pid 425] close(22) = -1 EBADF (Bad file descriptor) [pid 425] close(23) = -1 EBADF (Bad file descriptor) [pid 425] close(24) = -1 EBADF (Bad file descriptor) [pid 425] close(25) = -1 EBADF (Bad file descriptor) [pid 425] close(26) = -1 EBADF (Bad file descriptor) [pid 425] close(27) = -1 EBADF (Bad file descriptor) [pid 425] close(28) = -1 EBADF (Bad file descriptor) [pid 425] close(29) = -1 EBADF (Bad file descriptor) [pid 425] exit_group(0) = ? [pid 425] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 427 attached [pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 427] setpgid(0, 0) = 0 [ 24.075987][ T425] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 24.095428][ T425] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 24.103667][ T425] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 24.111487][ T425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 24.119292][ T425] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 24.127187][ T425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 24.135179][ T425] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 427] write(3, "1000", 4) = 4 [pid 427] close(3) = 0 [pid 427] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 427] write(3, "58", 2) = 2 [pid 427] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID [pid 408] <... clone resumed>, child_tidptr=0x5555556bd5d0) = 16 [ 24.143074][ T425] [ 24.155374][ T427] FAULT_INJECTION: forcing a failure. [ 24.155374][ T427] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 24.168459][ T427] CPU: 0 PID: 427 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 24.178368][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 24.188276][ T427] Call Trace: [ 24.191387][ T427] [ 24.194163][ T427] dump_stack_lvl+0x151/0x1b7 [ 24.198676][ T427] ? bfq_pos_tree_add_move+0x43e/0x43e [ 24.203973][ T427] ? __kasan_check_write+0x14/0x20 [ 24.208917][ T427] ? __set_page_owner+0x2ee/0x310 [ 24.213778][ T427] dump_stack+0x15/0x17 [ 24.217772][ T427] should_fail+0x3c0/0x510 [ 24.222172][ T427] should_fail_alloc_page+0x58/0x70 [ 24.227233][ T427] __alloc_pages+0x1de/0x7c0 [ 24.231657][ T427] ? __count_vm_events+0x30/0x30 [ 24.236432][ T427] ? __count_vm_events+0x30/0x30 [ 24.241209][ T427] ? __kasan_check_write+0x14/0x20 [ 24.246160][ T427] ? _raw_spin_lock+0xa3/0x1b0 [ 24.250884][ T427] __pmd_alloc+0xb1/0x550 [ 24.255071][ T427] ? kmem_cache_alloc+0x189/0x2f0 [ 24.259903][ T427] ? anon_vma_fork+0x1b9/0x4f0 [ 24.264500][ T427] ? __pud_alloc+0x260/0x260 [ 24.268925][ T427] ? __pud_alloc+0x218/0x260 [ 24.273352][ T427] ? do_handle_mm_fault+0x2370/0x2370 [ 24.278561][ T427] copy_page_range+0xd04/0x1090 [ 24.283343][ T427] ? pfn_valid+0x1e0/0x1e0 [ 24.287596][ T427] dup_mmap+0x99f/0xea0 [ 24.291579][ T427] ? __delayed_free_task+0x20/0x20 [ 24.296523][ T427] ? mm_init+0x807/0x960 [ 24.300603][ T427] dup_mm+0x91/0x330 [ 24.304341][ T427] copy_mm+0x108/0x1b0 [ 24.308272][ T427] copy_process+0x1295/0x3250 [ 24.312757][ T427] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 24.317700][ T427] ? __kasan_check_write+0x14/0x20 [ 24.322736][ T427] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 24.327682][ T427] kernel_clone+0x22d/0x990 [ 24.332022][ T427] ? cgroup_update_frozen+0x155/0x320 [ 24.337322][ T427] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.342352][ T427] ? create_io_thread+0x1e0/0x1e0 [ 24.347225][ T427] ? ptrace_stop+0x6eb/0xa30 [ 24.351643][ T427] __x64_sys_clone+0x289/0x310 [ 24.356332][ T427] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.361531][ T427] ? __do_sys_vfork+0x130/0x130 [ 24.366216][ T427] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 24.371711][ T427] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 24.377503][ T427] do_syscall_64+0x44/0xd0 [ 24.381754][ T427] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.387481][ T427] RIP: 0033:0x7f38de179db9 [ 24.391734][ T427] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 24.411182][ T427] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 24.419421][ T427] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 24.427230][ T427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 24.435323][ T427] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [pid 427] <... clone resumed>, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 427] close(3) = 0 [pid 427] close(4) = -1 EBADF (Bad file descriptor) [pid 427] close(5) = -1 EBADF (Bad file descriptor) [pid 427] close(6) = -1 EBADF (Bad file descriptor) [pid 427] close(7) = -1 EBADF (Bad file descriptor) [pid 427] close(8) = -1 EBADF (Bad file descriptor) [pid 427] close(9) = -1 EBADF (Bad file descriptor) [pid 427] close(10) = -1 EBADF (Bad file descriptor) [pid 427] close(11) = -1 EBADF (Bad file descriptor) [pid 427] close(12) = -1 EBADF (Bad file descriptor) [pid 427] close(13) = -1 EBADF (Bad file descriptor) [pid 427] close(14) = -1 EBADF (Bad file descriptor) [pid 427] close(15) = -1 EBADF (Bad file descriptor) [pid 427] close(16) = -1 EBADF (Bad file descriptor) [pid 427] close(17) = -1 EBADF (Bad file descriptor) [pid 427] close(18) = -1 EBADF (Bad file descriptor) [pid 427] close(19) = -1 EBADF (Bad file descriptor) [pid 427] close(20) = -1 EBADF (Bad file descriptor) [pid 427] close(21) = -1 EBADF (Bad file descriptor) [pid 427] close(22) = -1 EBADF (Bad file descriptor) [pid 427] close(23) = -1 EBADF (Bad file descriptor) [pid 427] close(24) = -1 EBADF (Bad file descriptor) [pid 427] close(25) = -1 EBADF (Bad file descriptor) [pid 427] close(26) = -1 EBADF (Bad file descriptor) [pid 427] close(27) = -1 EBADF (Bad file descriptor) [pid 427] close(28) = -1 EBADF (Bad file descriptor) [pid 427] close(29) = -1 EBADF (Bad file descriptor) [pid 427] exit_group(0) = ? [pid 427] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 428 attached , child_tidptr=0x5555556bd5d0) = 17 [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3) = 0 [pid 428] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 428] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 428] write(3, "58", 2) = 2 [ 24.443205][ T427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 24.451012][ T427] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 24.459088][ T427] [ 24.472037][ T428] FAULT_INJECTION: forcing a failure. [ 24.472037][ T428] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 24.485122][ T428] CPU: 0 PID: 428 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 24.495022][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 24.505198][ T428] Call Trace: [ 24.508298][ T428] [ 24.511079][ T428] dump_stack_lvl+0x151/0x1b7 [ 24.515590][ T428] ? bfq_pos_tree_add_move+0x43e/0x43e [ 24.521114][ T428] ? __kasan_check_write+0x14/0x20 [ 24.526070][ T428] ? __set_page_owner+0x2ee/0x310 [ 24.530918][ T428] dump_stack+0x15/0x17 [ 24.535200][ T428] should_fail+0x3c0/0x510 [ 24.539760][ T428] should_fail_alloc_page+0x58/0x70 [ 24.545270][ T428] __alloc_pages+0x1de/0x7c0 [ 24.549699][ T428] ? __count_vm_events+0x30/0x30 [ 24.554486][ T428] ? __count_vm_events+0x30/0x30 [ 24.559330][ T428] ? __kasan_check_write+0x14/0x20 [ 24.564281][ T428] ? _raw_spin_lock+0xa3/0x1b0 [ 24.568968][ T428] __pmd_alloc+0xb1/0x550 [ 24.573127][ T428] ? kmem_cache_alloc+0x189/0x2f0 [ 24.577991][ T428] ? anon_vma_fork+0x1b9/0x4f0 [ 24.582594][ T428] ? __pud_alloc+0x260/0x260 [ 24.587102][ T428] ? __pud_alloc+0x218/0x260 [ 24.591584][ T428] ? do_handle_mm_fault+0x2370/0x2370 [ 24.596911][ T428] copy_page_range+0xd04/0x1090 [ 24.601598][ T428] ? pfn_valid+0x1e0/0x1e0 [ 24.605849][ T428] dup_mmap+0x99f/0xea0 [ 24.609843][ T428] ? __delayed_free_task+0x20/0x20 [ 24.614792][ T428] ? mm_init+0x807/0x960 [ 24.618866][ T428] dup_mm+0x91/0x330 [ 24.622607][ T428] copy_mm+0x108/0x1b0 [ 24.626502][ T428] copy_process+0x1295/0x3250 [ 24.631019][ T428] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 24.635964][ T428] ? __kasan_check_write+0x14/0x20 [ 24.640912][ T428] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 24.646007][ T428] kernel_clone+0x22d/0x990 [ 24.650371][ T428] ? cgroup_update_frozen+0x155/0x320 [ 24.655577][ T428] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.660616][ T428] ? create_io_thread+0x1e0/0x1e0 [ 24.665475][ T428] ? ptrace_stop+0x6eb/0xa30 [ 24.670011][ T428] __x64_sys_clone+0x289/0x310 [ 24.674649][ T428] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.679751][ T428] ? __do_sys_vfork+0x130/0x130 [ 24.684447][ T428] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 24.689927][ T428] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 24.695738][ T428] do_syscall_64+0x44/0xd0 [ 24.700255][ T428] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.706066][ T428] RIP: 0033:0x7f38de179db9 [ 24.710324][ T428] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 24.729778][ T428] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 24.738007][ T428] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [pid 428] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 428] close(3) = 0 [pid 428] close(4) = -1 EBADF (Bad file descriptor) [pid 428] close(5) = -1 EBADF (Bad file descriptor) [pid 428] close(6) = -1 EBADF (Bad file descriptor) [pid 428] close(7) = -1 EBADF (Bad file descriptor) [pid 428] close(8) = -1 EBADF (Bad file descriptor) [pid 428] close(9) = -1 EBADF (Bad file descriptor) [pid 428] close(10) = -1 EBADF (Bad file descriptor) [pid 428] close(11) = -1 EBADF (Bad file descriptor) [pid 428] close(12) = -1 EBADF (Bad file descriptor) [pid 428] close(13) = -1 EBADF (Bad file descriptor) [pid 428] close(14) = -1 EBADF (Bad file descriptor) [pid 428] close(15) = -1 EBADF (Bad file descriptor) [pid 428] close(16) = -1 EBADF (Bad file descriptor) [pid 428] close(17) = -1 EBADF (Bad file descriptor) [pid 428] close(18) = -1 EBADF (Bad file descriptor) [pid 428] close(19) = -1 EBADF (Bad file descriptor) [pid 428] close(20) = -1 EBADF (Bad file descriptor) [pid 428] close(21) = -1 EBADF (Bad file descriptor) [pid 428] close(22) = -1 EBADF (Bad file descriptor) [pid 428] close(23) = -1 EBADF (Bad file descriptor) [pid 428] close(24) = -1 EBADF (Bad file descriptor) [pid 428] close(25) = -1 EBADF (Bad file descriptor) [pid 428] close(26) = -1 EBADF (Bad file descriptor) [pid 428] close(27) = -1 EBADF (Bad file descriptor) [pid 428] close(28) = -1 EBADF (Bad file descriptor) [pid 428] close(29) = -1 EBADF (Bad file descriptor) [pid 428] exit_group(0) = ? [pid 428] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 429 attached [pid 429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 429] setpgid(0, 0) = 0 [pid 429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 408] <... clone resumed>, child_tidptr=0x5555556bd5d0) = 18 [pid 429] write(3, "1000", 4) = 4 [pid 429] close(3) = 0 [pid 429] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 429] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 429] write(3, "58", 2) = 2 [ 24.745818][ T428] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 24.753720][ T428] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 24.762141][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 24.769947][ T428] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 24.777776][ T428] [ 24.790906][ T429] FAULT_INJECTION: forcing a failure. [ 24.790906][ T429] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 24.804126][ T429] CPU: 0 PID: 429 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 24.813981][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 24.823877][ T429] Call Trace: [ 24.827003][ T429] [ 24.829779][ T429] dump_stack_lvl+0x151/0x1b7 [ 24.834293][ T429] ? bfq_pos_tree_add_move+0x43e/0x43e [ 24.839586][ T429] dump_stack+0x15/0x17 [ 24.843580][ T429] should_fail+0x3c0/0x510 [ 24.847855][ T429] should_fail_alloc_page+0x58/0x70 [ 24.852938][ T429] __alloc_pages+0x1de/0x7c0 [ 24.857988][ T429] ? __count_vm_events+0x30/0x30 [ 24.863199][ T429] ? dup_mm+0x91/0x330 [ 24.867209][ T429] ? copy_mm+0x108/0x1b0 [ 24.871266][ T429] ? copy_process+0x1295/0x3250 [ 24.875950][ T429] ? kernel_clone+0x22d/0x990 [ 24.880574][ T429] ? __x64_sys_clone+0x289/0x310 [ 24.885348][ T429] pte_alloc_one+0x73/0x1b0 [ 24.889681][ T429] ? pfn_modify_allowed+0x2e0/0x2e0 [ 24.894721][ T429] ? __kasan_check_write+0x14/0x20 [ 24.899664][ T429] ? __set_page_owner+0x2ee/0x310 [ 24.904523][ T429] __pte_alloc+0x86/0x350 [ 24.908690][ T429] ? post_alloc_hook+0x1ab/0x1b0 [ 24.913474][ T429] ? free_pgtables+0x210/0x210 [ 24.918060][ T429] ? get_page_from_freelist+0x38b/0x400 [ 24.923468][ T429] copy_pte_range+0x1b1f/0x20b0 [ 24.928134][ T429] ? __kunmap_atomic+0x80/0x80 [ 24.932735][ T429] ? __pud_alloc+0x260/0x260 [ 24.937159][ T429] ? __pud_alloc+0x218/0x260 [ 24.941581][ T429] ? do_handle_mm_fault+0x2370/0x2370 [ 24.946793][ T429] copy_page_range+0xc1e/0x1090 [ 24.951480][ T429] ? pfn_valid+0x1e0/0x1e0 [ 24.955729][ T429] dup_mmap+0x99f/0xea0 [ 24.959723][ T429] ? __delayed_free_task+0x20/0x20 [ 24.964673][ T429] ? mm_init+0x807/0x960 [ 24.968751][ T429] dup_mm+0x91/0x330 [ 24.972481][ T429] copy_mm+0x108/0x1b0 [ 24.976388][ T429] copy_process+0x1295/0x3250 [ 24.980899][ T429] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 24.985854][ T429] ? __kasan_check_write+0x14/0x20 [ 24.990817][ T429] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 24.995742][ T429] kernel_clone+0x22d/0x990 [ 25.000087][ T429] ? cgroup_update_frozen+0x155/0x320 [ 25.005288][ T429] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.010407][ T429] ? create_io_thread+0x1e0/0x1e0 [ 25.015266][ T429] ? ptrace_stop+0x6eb/0xa30 [ 25.019783][ T429] __x64_sys_clone+0x289/0x310 [ 25.024379][ T429] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.029431][ T429] ? __do_sys_vfork+0x130/0x130 [ 25.034188][ T429] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 25.039658][ T429] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 25.045748][ T429] do_syscall_64+0x44/0xd0 [ 25.050005][ T429] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.055726][ T429] RIP: 0033:0x7f38de179db9 [ 25.059981][ T429] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 25.079621][ T429] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 25.087846][ T429] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [pid 429] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 429] close(3) = 0 [pid 429] close(4) = -1 EBADF (Bad file descriptor) [pid 429] close(5) = -1 EBADF (Bad file descriptor) [pid 429] close(6) = -1 EBADF (Bad file descriptor) [pid 429] close(7) = -1 EBADF (Bad file descriptor) [pid 429] close(8) = -1 EBADF (Bad file descriptor) [pid 429] close(9) = -1 EBADF (Bad file descriptor) [pid 429] close(10) = -1 EBADF (Bad file descriptor) [pid 429] close(11) = -1 EBADF (Bad file descriptor) [pid 429] close(12) = -1 EBADF (Bad file descriptor) [pid 429] close(13) = -1 EBADF (Bad file descriptor) [pid 429] close(14) = -1 EBADF (Bad file descriptor) [pid 429] close(15) = -1 EBADF (Bad file descriptor) [pid 429] close(16) = -1 EBADF (Bad file descriptor) [pid 429] close(17) = -1 EBADF (Bad file descriptor) [pid 429] close(18) = -1 EBADF (Bad file descriptor) [pid 429] close(19) = -1 EBADF (Bad file descriptor) [pid 429] close(20) = -1 EBADF (Bad file descriptor) [pid 429] close(21) = -1 EBADF (Bad file descriptor) [pid 429] close(22) = -1 EBADF (Bad file descriptor) [pid 429] close(23) = -1 EBADF (Bad file descriptor) [pid 429] close(24) = -1 EBADF (Bad file descriptor) [pid 429] close(25) = -1 EBADF (Bad file descriptor) [pid 429] close(26) = -1 EBADF (Bad file descriptor) [pid 429] close(27) = -1 EBADF (Bad file descriptor) [pid 429] close(28) = -1 EBADF (Bad file descriptor) [pid 429] close(29) = -1 EBADF (Bad file descriptor) [pid 429] exit_group(0) = ? [pid 429] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 19 ./strace-static-x86_64: Process 430 attached [pid 430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 430] setpgid(0, 0) = 0 [pid 430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 430] write(3, "1000", 4) = 4 [pid 430] close(3) = 0 [pid 430] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 430] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 430] write(3, "58", 2) = 2 [ 25.095648][ T429] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 25.103463][ T429] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 25.111359][ T429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 25.119173][ T429] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 25.127161][ T429] [ 25.142088][ T430] FAULT_INJECTION: forcing a failure. [ 25.142088][ T430] name failslab, interval 1, probability 0, space 0, times 0 [ 25.154780][ T430] CPU: 1 PID: 430 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 25.165446][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 25.175341][ T430] Call Trace: [ 25.178460][ T430] [ 25.181240][ T430] dump_stack_lvl+0x151/0x1b7 [ 25.185792][ T430] ? bfq_pos_tree_add_move+0x43e/0x43e [ 25.191746][ T430] dump_stack+0x15/0x17 [ 25.195731][ T430] should_fail+0x3c0/0x510 [ 25.199991][ T430] __should_failslab+0x9f/0xe0 [ 25.204583][ T430] should_failslab+0x9/0x20 [ 25.208922][ T430] kmem_cache_alloc+0x4f/0x2f0 [ 25.213522][ T430] ? vm_area_dup+0x26/0x1d0 [ 25.217861][ T430] ? __kasan_check_read+0x11/0x20 [ 25.222727][ T430] vm_area_dup+0x26/0x1d0 [ 25.226887][ T430] dup_mmap+0x6b8/0xea0 [ 25.230989][ T430] ? __delayed_free_task+0x20/0x20 [ 25.235931][ T430] ? mm_init+0x807/0x960 [ 25.240018][ T430] dup_mm+0x91/0x330 [ 25.243830][ T430] copy_mm+0x108/0x1b0 [ 25.247734][ T430] copy_process+0x1295/0x3250 [ 25.252251][ T430] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 25.257196][ T430] ? __kasan_check_write+0x14/0x20 [ 25.262401][ T430] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 25.267370][ T430] kernel_clone+0x22d/0x990 [ 25.271692][ T430] ? cgroup_update_frozen+0x155/0x320 [ 25.276898][ T430] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.281930][ T430] ? create_io_thread+0x1e0/0x1e0 [ 25.286792][ T430] ? ptrace_stop+0x6eb/0xa30 [ 25.291218][ T430] __x64_sys_clone+0x289/0x310 [ 25.295816][ T430] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.300853][ T430] ? __do_sys_vfork+0x130/0x130 [ 25.305538][ T430] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 25.311009][ T430] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 25.316830][ T430] do_syscall_64+0x44/0xd0 [ 25.321085][ T430] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.326887][ T430] RIP: 0033:0x7f38de179db9 [pid 430] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 430] close(3) = 0 [pid 430] close(4) = -1 EBADF (Bad file descriptor) [pid 430] close(5) = -1 EBADF (Bad file descriptor) [pid 430] close(6) = -1 EBADF (Bad file descriptor) [pid 430] close(7) = -1 EBADF (Bad file descriptor) [pid 430] close(8) = -1 EBADF (Bad file descriptor) [pid 430] close(9) = -1 EBADF (Bad file descriptor) [pid 430] close(10) = -1 EBADF (Bad file descriptor) [pid 430] close(11) = -1 EBADF (Bad file descriptor) [pid 430] close(12) = -1 EBADF (Bad file descriptor) [pid 430] close(13) = -1 EBADF (Bad file descriptor) [pid 430] close(14) = -1 EBADF (Bad file descriptor) [pid 430] close(15) = -1 EBADF (Bad file descriptor) [pid 430] close(16) = -1 EBADF (Bad file descriptor) [pid 430] close(17) = -1 EBADF (Bad file descriptor) [pid 430] close(18) = -1 EBADF (Bad file descriptor) [pid 430] close(19) = -1 EBADF (Bad file descriptor) [pid 430] close(20) = -1 EBADF (Bad file descriptor) [pid 430] close(21) = -1 EBADF (Bad file descriptor) [pid 430] close(22) = -1 EBADF (Bad file descriptor) [pid 430] close(23) = -1 EBADF (Bad file descriptor) [pid 430] close(24) = -1 EBADF (Bad file descriptor) [pid 430] close(25) = -1 EBADF (Bad file descriptor) [pid 430] close(26) = -1 EBADF (Bad file descriptor) [pid 430] close(27) = -1 EBADF (Bad file descriptor) [pid 430] close(28) = -1 EBADF (Bad file descriptor) [pid 430] close(29) = -1 EBADF (Bad file descriptor) [pid 430] exit_group(0) = ? [pid 430] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 20 ./strace-static-x86_64: Process 432 attached [pid 432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 432] setpgid(0, 0) = 0 [pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 432] write(3, "1000", 4) = 4 [pid 432] close(3) = 0 [pid 432] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 432] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 432] write(3, "58", 2) = 2 [ 25.331071][ T430] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 25.350514][ T430] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 25.358745][ T430] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 25.366642][ T430] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 25.374450][ T430] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 25.382263][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 25.390075][ T430] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 25.397887][ T430] [ 25.407684][ T432] FAULT_INJECTION: forcing a failure. [ 25.407684][ T432] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 25.420843][ T432] CPU: 0 PID: 432 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 25.430788][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 25.440788][ T432] Call Trace: [ 25.443896][ T432] [ 25.446672][ T432] dump_stack_lvl+0x151/0x1b7 [ 25.451275][ T432] ? bfq_pos_tree_add_move+0x43e/0x43e [ 25.456568][ T432] dump_stack+0x15/0x17 [ 25.460557][ T432] should_fail+0x3c0/0x510 [ 25.464895][ T432] should_fail_alloc_page+0x58/0x70 [ 25.469931][ T432] __alloc_pages+0x1de/0x7c0 [ 25.474357][ T432] ? __count_vm_events+0x30/0x30 [ 25.479226][ T432] ? dup_mm+0x91/0x330 [ 25.483130][ T432] ? copy_mm+0x108/0x1b0 [ 25.487293][ T432] ? copy_process+0x1295/0x3250 [ 25.491981][ T432] ? kernel_clone+0x22d/0x990 [ 25.496495][ T432] ? __x64_sys_clone+0x289/0x310 [ 25.501441][ T432] pte_alloc_one+0x73/0x1b0 [ 25.505783][ T432] ? pfn_modify_allowed+0x2e0/0x2e0 [ 25.510814][ T432] ? __kasan_check_write+0x14/0x20 [ 25.515769][ T432] ? __set_page_owner+0x2ee/0x310 [ 25.520635][ T432] __pte_alloc+0x86/0x350 [ 25.524796][ T432] ? post_alloc_hook+0x1ab/0x1b0 [ 25.529567][ T432] ? free_pgtables+0x210/0x210 [ 25.534167][ T432] ? get_page_from_freelist+0x38b/0x400 [ 25.539546][ T432] copy_pte_range+0x1b1f/0x20b0 [ 25.544234][ T432] ? __kunmap_atomic+0x80/0x80 [ 25.548832][ T432] ? __pud_alloc+0x260/0x260 [ 25.553258][ T432] ? __pud_alloc+0x218/0x260 [ 25.557683][ T432] ? do_handle_mm_fault+0x2370/0x2370 [ 25.562892][ T432] copy_page_range+0xc1e/0x1090 [ 25.567580][ T432] ? pfn_valid+0x1e0/0x1e0 [ 25.571829][ T432] dup_mmap+0x99f/0xea0 [ 25.575824][ T432] ? __delayed_free_task+0x20/0x20 [ 25.580771][ T432] ? mm_init+0x807/0x960 [ 25.584857][ T432] dup_mm+0x91/0x330 [ 25.588725][ T432] copy_mm+0x108/0x1b0 [ 25.592624][ T432] copy_process+0x1295/0x3250 [ 25.597139][ T432] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 25.602085][ T432] ? __kasan_check_write+0x14/0x20 [ 25.607039][ T432] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 25.611983][ T432] kernel_clone+0x22d/0x990 [ 25.616318][ T432] ? cgroup_update_frozen+0x155/0x320 [ 25.621534][ T432] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.626571][ T432] ? create_io_thread+0x1e0/0x1e0 [ 25.631431][ T432] ? ptrace_stop+0x6eb/0xa30 [ 25.635848][ T432] __x64_sys_clone+0x289/0x310 [ 25.640456][ T432] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.645480][ T432] ? __do_sys_vfork+0x130/0x130 [ 25.650168][ T432] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 25.655726][ T432] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 25.661538][ T432] do_syscall_64+0x44/0xd0 [ 25.665787][ T432] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.671602][ T432] RIP: 0033:0x7f38de179db9 [ 25.675858][ T432] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [pid 432] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 432] close(3) = 0 [pid 432] close(4) = -1 EBADF (Bad file descriptor) [pid 432] close(5) = -1 EBADF (Bad file descriptor) [pid 432] close(6) = -1 EBADF (Bad file descriptor) [pid 432] close(7) = -1 EBADF (Bad file descriptor) [pid 432] close(8) = -1 EBADF (Bad file descriptor) [pid 432] close(9) = -1 EBADF (Bad file descriptor) [pid 432] close(10) = -1 EBADF (Bad file descriptor) [pid 432] close(11) = -1 EBADF (Bad file descriptor) [pid 432] close(12) = -1 EBADF (Bad file descriptor) [pid 432] close(13) = -1 EBADF (Bad file descriptor) [pid 432] close(14) = -1 EBADF (Bad file descriptor) [pid 432] close(15) = -1 EBADF (Bad file descriptor) [pid 432] close(16) = -1 EBADF (Bad file descriptor) [pid 432] close(17) = -1 EBADF (Bad file descriptor) [pid 432] close(18) = -1 EBADF (Bad file descriptor) [pid 432] close(19) = -1 EBADF (Bad file descriptor) [pid 432] close(20) = -1 EBADF (Bad file descriptor) [pid 432] close(21) = -1 EBADF (Bad file descriptor) [pid 432] close(22) = -1 EBADF (Bad file descriptor) [pid 432] close(23) = -1 EBADF (Bad file descriptor) [pid 432] close(24) = -1 EBADF (Bad file descriptor) [pid 432] close(25) = -1 EBADF (Bad file descriptor) [pid 432] close(26) = -1 EBADF (Bad file descriptor) [pid 432] close(27) = -1 EBADF (Bad file descriptor) [pid 432] close(28) = -1 EBADF (Bad file descriptor) [pid 432] close(29) = -1 EBADF (Bad file descriptor) [pid 432] exit_group(0) = ? [pid 432] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 21 ./strace-static-x86_64: Process 433 attached [pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 433] setpgid(0, 0) = 0 [pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 433] write(3, "1000", 4) = 4 [pid 433] close(3) = 0 [pid 433] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 433] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 433] write(3, "58", 2) = 2 [ 25.696427][ T432] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 25.704671][ T432] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 25.712657][ T432] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 25.720468][ T432] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 25.728279][ T432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 25.736177][ T432] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 25.743989][ T432] [ 25.758486][ T433] FAULT_INJECTION: forcing a failure. [ 25.758486][ T433] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 25.771578][ T433] CPU: 0 PID: 433 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 25.781488][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 25.791382][ T433] Call Trace: [ 25.794503][ T433] [ 25.797282][ T433] dump_stack_lvl+0x151/0x1b7 [ 25.801794][ T433] ? bfq_pos_tree_add_move+0x43e/0x43e [ 25.807091][ T433] ? __kasan_check_write+0x14/0x20 [ 25.812037][ T433] ? __set_page_owner+0x2ee/0x310 [ 25.816894][ T433] dump_stack+0x15/0x17 [ 25.820889][ T433] should_fail+0x3c0/0x510 [ 25.825143][ T433] should_fail_alloc_page+0x58/0x70 [ 25.830180][ T433] __alloc_pages+0x1de/0x7c0 [ 25.834691][ T433] ? __count_vm_events+0x30/0x30 [ 25.839463][ T433] ? __count_vm_events+0x30/0x30 [ 25.844246][ T433] ? __kasan_check_write+0x14/0x20 [ 25.849187][ T433] ? _raw_spin_lock+0xa3/0x1b0 [ 25.853790][ T433] __pmd_alloc+0xb1/0x550 [ 25.857947][ T433] ? kmem_cache_alloc+0x189/0x2f0 [ 25.862807][ T433] ? anon_vma_fork+0x1b9/0x4f0 [ 25.867406][ T433] ? __pud_alloc+0x260/0x260 [ 25.871834][ T433] ? __pud_alloc+0x218/0x260 [ 25.876262][ T433] ? do_handle_mm_fault+0x2370/0x2370 [ 25.881466][ T433] copy_page_range+0xd04/0x1090 [ 25.886157][ T433] ? pfn_valid+0x1e0/0x1e0 [ 25.890411][ T433] dup_mmap+0x99f/0xea0 [ 25.894399][ T433] ? __delayed_free_task+0x20/0x20 [ 25.899348][ T433] ? mm_init+0x807/0x960 [ 25.903428][ T433] dup_mm+0x91/0x330 [ 25.907161][ T433] copy_mm+0x108/0x1b0 [ 25.911065][ T433] copy_process+0x1295/0x3250 [ 25.915579][ T433] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 25.920614][ T433] ? __kasan_check_write+0x14/0x20 [ 25.925571][ T433] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 25.930510][ T433] kernel_clone+0x22d/0x990 [ 25.934847][ T433] ? cgroup_update_frozen+0x155/0x320 [ 25.940052][ T433] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.945178][ T433] ? create_io_thread+0x1e0/0x1e0 [ 25.950035][ T433] ? ptrace_stop+0x6eb/0xa30 [ 25.954458][ T433] __x64_sys_clone+0x289/0x310 [ 25.959057][ T433] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.964093][ T433] ? __do_sys_vfork+0x130/0x130 [ 25.968779][ T433] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 25.974247][ T433] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 25.980061][ T433] do_syscall_64+0x44/0xd0 [ 25.984317][ T433] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.990047][ T433] RIP: 0033:0x7f38de179db9 [pid 433] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 433] close(3) = 0 [pid 433] close(4) = -1 EBADF (Bad file descriptor) [pid 433] close(5) = -1 EBADF (Bad file descriptor) [pid 433] close(6) = -1 EBADF (Bad file descriptor) [pid 433] close(7) = -1 EBADF (Bad file descriptor) [pid 433] close(8) = -1 EBADF (Bad file descriptor) [pid 433] close(9) = -1 EBADF (Bad file descriptor) [pid 433] close(10) = -1 EBADF (Bad file descriptor) [pid 433] close(11) = -1 EBADF (Bad file descriptor) [pid 433] close(12) = -1 EBADF (Bad file descriptor) [pid 433] close(13) = -1 EBADF (Bad file descriptor) [pid 433] close(14) = -1 EBADF (Bad file descriptor) [pid 433] close(15) = -1 EBADF (Bad file descriptor) [pid 433] close(16) = -1 EBADF (Bad file descriptor) [pid 433] close(17) = -1 EBADF (Bad file descriptor) [pid 433] close(18) = -1 EBADF (Bad file descriptor) [pid 433] close(19) = -1 EBADF (Bad file descriptor) [pid 433] close(20) = -1 EBADF (Bad file descriptor) [pid 433] close(21) = -1 EBADF (Bad file descriptor) [pid 433] close(22) = -1 EBADF (Bad file descriptor) [pid 433] close(23) = -1 EBADF (Bad file descriptor) [pid 433] close(24) = -1 EBADF (Bad file descriptor) [pid 433] close(25) = -1 EBADF (Bad file descriptor) [pid 433] close(26) = -1 EBADF (Bad file descriptor) [pid 433] close(27) = -1 EBADF (Bad file descriptor) [ 25.994298][ T433] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 26.013751][ T433] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 26.022073][ T433] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 26.029884][ T433] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 26.037869][ T433] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 26.045679][ T433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [pid 433] close(28) = -1 EBADF (Bad file descriptor) [pid 433] close(29) = -1 EBADF (Bad file descriptor) [pid 433] exit_group(0) = ? [pid 433] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 22 ./strace-static-x86_64: Process 434 attached [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3) = 0 [pid 434] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 434] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 434] write(3, "58", 2) = 2 [ 26.053489][ T433] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 26.061423][ T433] [ 26.073785][ T434] FAULT_INJECTION: forcing a failure. [ 26.073785][ T434] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 26.086897][ T434] CPU: 1 PID: 434 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 26.096799][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 26.106694][ T434] Call Trace: [ 26.109819][ T434] [ 26.112598][ T434] dump_stack_lvl+0x151/0x1b7 [ 26.117108][ T434] ? bfq_pos_tree_add_move+0x43e/0x43e [ 26.122652][ T434] dump_stack+0x15/0x17 [ 26.126645][ T434] should_fail+0x3c0/0x510 [ 26.130893][ T434] should_fail_alloc_page+0x58/0x70 [ 26.135927][ T434] __alloc_pages+0x1de/0x7c0 [ 26.140350][ T434] ? __count_vm_events+0x30/0x30 [ 26.145123][ T434] ? dup_mm+0x91/0x330 [ 26.149028][ T434] ? copy_mm+0x108/0x1b0 [ 26.153197][ T434] ? copy_process+0x1295/0x3250 [ 26.153535][ T30] kauditd_printk_skb: 4 callbacks suppressed [ 26.153546][ T30] audit: type=1400 audit(1674354404.590:76): avc: denied { remove_name } for pid=164 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 26.157881][ T434] ? kernel_clone+0x22d/0x990 [ 26.157900][ T434] ? __x64_sys_clone+0x289/0x310 [ 26.163885][ T30] audit: type=1400 audit(1674354404.590:77): avc: denied { rename } for pid=164 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 26.185826][ T434] pte_alloc_one+0x73/0x1b0 [ 26.185849][ T434] ? pfn_modify_allowed+0x2e0/0x2e0 [ 26.185863][ T434] ? __kasan_check_write+0x14/0x20 [ 26.185878][ T434] ? __set_page_owner+0x2ee/0x310 [ 26.240164][ T434] __pte_alloc+0x86/0x350 [ 26.244415][ T434] ? post_alloc_hook+0x1ab/0x1b0 [ 26.249194][ T434] ? free_pgtables+0x210/0x210 [ 26.253791][ T434] ? get_page_from_freelist+0x38b/0x400 [ 26.259169][ T434] copy_pte_range+0x1b1f/0x20b0 [ 26.263987][ T434] ? __kunmap_atomic+0x80/0x80 [ 26.268843][ T434] ? __pud_alloc+0x260/0x260 [ 26.273267][ T434] ? __pud_alloc+0x218/0x260 [ 26.277688][ T434] ? do_handle_mm_fault+0x2370/0x2370 [ 26.282900][ T434] copy_page_range+0xc1e/0x1090 [ 26.287593][ T434] ? pfn_valid+0x1e0/0x1e0 [ 26.291996][ T434] dup_mmap+0x99f/0xea0 [ 26.295987][ T434] ? __delayed_free_task+0x20/0x20 [ 26.300933][ T434] ? mm_init+0x807/0x960 [ 26.305022][ T434] dup_mm+0x91/0x330 [ 26.308741][ T434] copy_mm+0x108/0x1b0 [ 26.312646][ T434] copy_process+0x1295/0x3250 [ 26.317169][ T434] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 26.322283][ T434] ? __kasan_check_write+0x14/0x20 [ 26.327358][ T434] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 26.332307][ T434] kernel_clone+0x22d/0x990 [ 26.336653][ T434] ? cgroup_update_frozen+0x155/0x320 [ 26.341854][ T434] ? _raw_spin_unlock_irq+0x4e/0x70 [ 26.346891][ T434] ? create_io_thread+0x1e0/0x1e0 [ 26.351799][ T434] ? ptrace_stop+0x6eb/0xa30 [ 26.356362][ T434] __x64_sys_clone+0x289/0x310 [ 26.360951][ T434] ? _raw_spin_unlock_irq+0x4e/0x70 [ 26.365981][ T434] ? __do_sys_vfork+0x130/0x130 [ 26.370680][ T434] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 26.376138][ T434] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 26.381952][ T434] do_syscall_64+0x44/0xd0 [ 26.386209][ T434] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.391931][ T434] RIP: 0033:0x7f38de179db9 [pid 434] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 434] close(3) = 0 [pid 434] close(4) = -1 EBADF (Bad file descriptor) [pid 434] close(5) = -1 EBADF (Bad file descriptor) [pid 434] close(6) = -1 EBADF (Bad file descriptor) [pid 434] close(7) = -1 EBADF (Bad file descriptor) [pid 434] close(8) = -1 EBADF (Bad file descriptor) [pid 434] close(9) = -1 EBADF (Bad file descriptor) [pid 434] close(10) = -1 EBADF (Bad file descriptor) [pid 434] close(11) = -1 EBADF (Bad file descriptor) [pid 434] close(12) = -1 EBADF (Bad file descriptor) [pid 434] close(13) = -1 EBADF (Bad file descriptor) [pid 434] close(14) = -1 EBADF (Bad file descriptor) [pid 434] close(15) = -1 EBADF (Bad file descriptor) [pid 434] close(16) = -1 EBADF (Bad file descriptor) [pid 434] close(17) = -1 EBADF (Bad file descriptor) [pid 434] close(18) = -1 EBADF (Bad file descriptor) [pid 434] close(19) = -1 EBADF (Bad file descriptor) [pid 434] close(20) = -1 EBADF (Bad file descriptor) [pid 434] close(21) = -1 EBADF (Bad file descriptor) [pid 434] close(22) = -1 EBADF (Bad file descriptor) [pid 434] close(23) = -1 EBADF (Bad file descriptor) [pid 434] close(24) = -1 EBADF (Bad file descriptor) [pid 434] close(25) = -1 EBADF (Bad file descriptor) [pid 434] close(26) = -1 EBADF (Bad file descriptor) [pid 434] close(27) = -1 EBADF (Bad file descriptor) [pid 434] close(28) = -1 EBADF (Bad file descriptor) [pid 434] close(29) = -1 EBADF (Bad file descriptor) [pid 434] exit_group(0) = ? [pid 434] +++ exited with 0 +++ [ 26.396198][ T434] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 26.415985][ T434] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 26.424232][ T434] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 26.432037][ T434] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 26.439953][ T434] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 26.447766][ T434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 436 attached , child_tidptr=0x5555556bd5d0) = 23 [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 436] setpgid(0, 0) = 0 [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 436] write(3, "1000", 4) = 4 [pid 436] close(3) = 0 [pid 436] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 436] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 436] write(3, "58", 2) = 2 [ 26.455739][ T434] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 26.463643][ T434] [ 26.474589][ T436] FAULT_INJECTION: forcing a failure. [ 26.474589][ T436] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 26.487677][ T436] CPU: 1 PID: 436 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 26.497581][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 26.507618][ T436] Call Trace: [ 26.510734][ T436] [ 26.513598][ T436] dump_stack_lvl+0x151/0x1b7 [ 26.518125][ T436] ? bfq_pos_tree_add_move+0x43e/0x43e [ 26.523407][ T436] dump_stack+0x15/0x17 [ 26.527604][ T436] should_fail+0x3c0/0x510 [ 26.531857][ T436] should_fail_alloc_page+0x58/0x70 [ 26.536890][ T436] __alloc_pages+0x1de/0x7c0 [ 26.541318][ T436] ? __count_vm_events+0x30/0x30 [ 26.546093][ T436] ? dup_mm+0x91/0x330 [ 26.550003][ T436] ? copy_mm+0x108/0x1b0 [ 26.554076][ T436] ? copy_process+0x1295/0x3250 [ 26.558767][ T436] ? kernel_clone+0x22d/0x990 [ 26.563315][ T436] ? __x64_sys_clone+0x289/0x310 [ 26.568063][ T436] pte_alloc_one+0x73/0x1b0 [ 26.572519][ T436] ? pfn_modify_allowed+0x2e0/0x2e0 [ 26.577510][ T436] ? __kasan_check_write+0x14/0x20 [ 26.582467][ T436] ? __set_page_owner+0x2ee/0x310 [ 26.587325][ T436] __pte_alloc+0x86/0x350 [ 26.591615][ T436] ? post_alloc_hook+0x1ab/0x1b0 [ 26.596379][ T436] ? free_pgtables+0x210/0x210 [ 26.600973][ T436] ? get_page_from_freelist+0x38b/0x400 [ 26.606369][ T436] copy_pte_range+0x1b1f/0x20b0 [ 26.611044][ T436] ? __kunmap_atomic+0x80/0x80 [ 26.615640][ T436] ? __pud_alloc+0x260/0x260 [ 26.620067][ T436] ? __pud_alloc+0x218/0x260 [ 26.624498][ T436] ? do_handle_mm_fault+0x2370/0x2370 [ 26.629703][ T436] copy_page_range+0xc1e/0x1090 [ 26.634391][ T436] ? pfn_valid+0x1e0/0x1e0 [ 26.638738][ T436] dup_mmap+0x99f/0xea0 [ 26.642719][ T436] ? __delayed_free_task+0x20/0x20 [ 26.647669][ T436] ? mm_init+0x807/0x960 [ 26.651747][ T436] dup_mm+0x91/0x330 [ 26.655480][ T436] copy_mm+0x108/0x1b0 [ 26.659385][ T436] copy_process+0x1295/0x3250 [ 26.663899][ T436] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 26.668843][ T436] ? __kasan_check_write+0x14/0x20 [ 26.673797][ T436] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 26.678739][ T436] kernel_clone+0x22d/0x990 [ 26.683082][ T436] ? cgroup_update_frozen+0x155/0x320 [ 26.688284][ T436] ? _raw_spin_unlock_irq+0x4e/0x70 [ 26.693319][ T436] ? create_io_thread+0x1e0/0x1e0 [ 26.698179][ T436] ? ptrace_stop+0x6eb/0xa30 [ 26.702608][ T436] __x64_sys_clone+0x289/0x310 [ 26.707208][ T436] ? _raw_spin_unlock_irq+0x4e/0x70 [ 26.712237][ T436] ? __do_sys_vfork+0x130/0x130 [ 26.716925][ T436] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 26.722398][ T436] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 26.728210][ T436] do_syscall_64+0x44/0xd0 [ 26.732824][ T436] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.738908][ T436] RIP: 0033:0x7f38de179db9 [ 26.743163][ T436] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [pid 436] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 436] close(3) = 0 [pid 436] close(4) = -1 EBADF (Bad file descriptor) [pid 436] close(5) = -1 EBADF (Bad file descriptor) [pid 436] close(6) = -1 EBADF (Bad file descriptor) [pid 436] close(7) = -1 EBADF (Bad file descriptor) [pid 436] close(8) = -1 EBADF (Bad file descriptor) [pid 436] close(9) = -1 EBADF (Bad file descriptor) [pid 436] close(10) = -1 EBADF (Bad file descriptor) [pid 436] close(11) = -1 EBADF (Bad file descriptor) [pid 436] close(12) = -1 EBADF (Bad file descriptor) [pid 436] close(13) = -1 EBADF (Bad file descriptor) [pid 436] close(14) = -1 EBADF (Bad file descriptor) [pid 436] close(15) = -1 EBADF (Bad file descriptor) [pid 436] close(16) = -1 EBADF (Bad file descriptor) [pid 436] close(17) = -1 EBADF (Bad file descriptor) [pid 436] close(18) = -1 EBADF (Bad file descriptor) [pid 436] close(19) = -1 EBADF (Bad file descriptor) [pid 436] close(20) = -1 EBADF (Bad file descriptor) [pid 436] close(21) = -1 EBADF (Bad file descriptor) [pid 436] close(22) = -1 EBADF (Bad file descriptor) [pid 436] close(23) = -1 EBADF (Bad file descriptor) [pid 436] close(24) = -1 EBADF (Bad file descriptor) [pid 436] close(25) = -1 EBADF (Bad file descriptor) [pid 436] close(26) = -1 EBADF (Bad file descriptor) [pid 436] close(27) = -1 EBADF (Bad file descriptor) [pid 436] close(28) = -1 EBADF (Bad file descriptor) [pid 436] close(29) = -1 EBADF (Bad file descriptor) [pid 436] exit_group(0) = ? [pid 436] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 24 ./strace-static-x86_64: Process 437 attached [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3) = 0 [pid 437] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 437] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 437] write(3, "58", 2) = 2 [ 26.762693][ T436] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 26.771045][ T436] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 26.778843][ T436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 26.786754][ T436] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 26.794553][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 26.802452][ T436] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 26.810261][ T436] [ 26.822090][ T437] FAULT_INJECTION: forcing a failure. [ 26.822090][ T437] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 26.835249][ T437] CPU: 1 PID: 437 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 26.845298][ T437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 26.855199][ T437] Call Trace: [ 26.858320][ T437] [ 26.861097][ T437] dump_stack_lvl+0x151/0x1b7 [ 26.865702][ T437] ? bfq_pos_tree_add_move+0x43e/0x43e [ 26.870998][ T437] dump_stack+0x15/0x17 [ 26.874988][ T437] should_fail+0x3c0/0x510 [ 26.879236][ T437] should_fail_alloc_page+0x58/0x70 [ 26.884269][ T437] __alloc_pages+0x1de/0x7c0 [ 26.888700][ T437] ? __count_vm_events+0x30/0x30 [ 26.893557][ T437] ? dup_mm+0x91/0x330 [ 26.897461][ T437] ? copy_mm+0x108/0x1b0 [ 26.901539][ T437] ? copy_process+0x1295/0x3250 [ 26.906228][ T437] ? kernel_clone+0x22d/0x990 [ 26.910785][ T437] ? __x64_sys_clone+0x289/0x310 [ 26.915524][ T437] pte_alloc_one+0x73/0x1b0 [ 26.919989][ T437] ? pfn_modify_allowed+0x2e0/0x2e0 [ 26.925008][ T437] ? __kasan_check_write+0x14/0x20 [ 26.929954][ T437] ? __set_page_owner+0x2ee/0x310 [ 26.934815][ T437] __pte_alloc+0x86/0x350 [ 26.938980][ T437] ? post_alloc_hook+0x1ab/0x1b0 [ 26.943841][ T437] ? free_pgtables+0x210/0x210 [ 26.948444][ T437] ? get_page_from_freelist+0x38b/0x400 [ 26.953993][ T437] copy_pte_range+0x1b1f/0x20b0 [ 26.958668][ T437] ? __kunmap_atomic+0x80/0x80 [ 26.963265][ T437] ? __pud_alloc+0x260/0x260 [ 26.967690][ T437] ? __pud_alloc+0x218/0x260 [ 26.972122][ T437] ? do_handle_mm_fault+0x2370/0x2370 [ 26.977326][ T437] copy_page_range+0xc1e/0x1090 [ 26.982014][ T437] ? pfn_valid+0x1e0/0x1e0 [ 26.986261][ T437] dup_mmap+0x99f/0xea0 [ 26.990340][ T437] ? __delayed_free_task+0x20/0x20 [ 26.996012][ T437] ? mm_init+0x807/0x960 [ 27.000091][ T437] dup_mm+0x91/0x330 [ 27.003820][ T437] copy_mm+0x108/0x1b0 [ 27.007729][ T437] copy_process+0x1295/0x3250 [ 27.012241][ T437] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 27.017187][ T437] ? __kasan_check_write+0x14/0x20 [ 27.022134][ T437] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 27.027081][ T437] kernel_clone+0x22d/0x990 [ 27.031436][ T437] ? cgroup_update_frozen+0x155/0x320 [ 27.036628][ T437] ? _raw_spin_unlock_irq+0x4e/0x70 [ 27.041663][ T437] ? create_io_thread+0x1e0/0x1e0 [ 27.046524][ T437] ? ptrace_stop+0x6eb/0xa30 [ 27.050959][ T437] __x64_sys_clone+0x289/0x310 [ 27.055550][ T437] ? _raw_spin_unlock_irq+0x4e/0x70 [ 27.060587][ T437] ? __do_sys_vfork+0x130/0x130 [ 27.065272][ T437] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 27.070746][ T437] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 27.076557][ T437] do_syscall_64+0x44/0xd0 [ 27.080812][ T437] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.086535][ T437] RIP: 0033:0x7f38de179db9 [ 27.090797][ T437] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 27.110239][ T437] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [pid 437] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 437] close(3) = 0 [pid 437] close(4) = -1 EBADF (Bad file descriptor) [pid 437] close(5) = -1 EBADF (Bad file descriptor) [pid 437] close(6) = -1 EBADF (Bad file descriptor) [pid 437] close(7) = -1 EBADF (Bad file descriptor) [pid 437] close(8) = -1 EBADF (Bad file descriptor) [pid 437] close(9) = -1 EBADF (Bad file descriptor) [pid 437] close(10) = -1 EBADF (Bad file descriptor) [pid 437] close(11) = -1 EBADF (Bad file descriptor) [pid 437] close(12) = -1 EBADF (Bad file descriptor) [pid 437] close(13) = -1 EBADF (Bad file descriptor) [pid 437] close(14) = -1 EBADF (Bad file descriptor) [pid 437] close(15) = -1 EBADF (Bad file descriptor) [pid 437] close(16) = -1 EBADF (Bad file descriptor) [pid 437] close(17) = -1 EBADF (Bad file descriptor) [pid 437] close(18) = -1 EBADF (Bad file descriptor) [pid 437] close(19) = -1 EBADF (Bad file descriptor) [pid 437] close(20) = -1 EBADF (Bad file descriptor) [pid 437] close(21) = -1 EBADF (Bad file descriptor) [pid 437] close(22) = -1 EBADF (Bad file descriptor) [pid 437] close(23) = -1 EBADF (Bad file descriptor) [pid 437] close(24) = -1 EBADF (Bad file descriptor) [pid 437] close(25) = -1 EBADF (Bad file descriptor) [pid 437] close(26) = -1 EBADF (Bad file descriptor) [pid 437] close(27) = -1 EBADF (Bad file descriptor) [pid 437] close(28) = -1 EBADF (Bad file descriptor) [pid 437] close(29) = -1 EBADF (Bad file descriptor) [pid 437] exit_group(0) = ? [pid 437] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 25 ./strace-static-x86_64: Process 439 attached [pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 439] setpgid(0, 0) = 0 [pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 439] write(3, "1000", 4) = 4 [pid 439] close(3) = 0 [pid 439] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 439] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 439] write(3, "58", 2) = 2 [ 27.118578][ T437] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 27.126369][ T437] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 27.134181][ T437] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 27.142168][ T437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 27.149980][ T437] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 27.157797][ T437] [ 27.176657][ T439] FAULT_INJECTION: forcing a failure. [ 27.176657][ T439] name failslab, interval 1, probability 0, space 0, times 0 [ 27.189269][ T439] CPU: 0 PID: 439 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 27.199422][ T439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 27.209369][ T439] Call Trace: [ 27.212496][ T439] [ 27.215271][ T439] dump_stack_lvl+0x151/0x1b7 [ 27.219786][ T439] ? bfq_pos_tree_add_move+0x43e/0x43e [ 27.225085][ T439] dump_stack+0x15/0x17 [ 27.229073][ T439] should_fail+0x3c0/0x510 [ 27.233376][ T439] __should_failslab+0x9f/0xe0 [ 27.237942][ T439] should_failslab+0x9/0x20 [ 27.242263][ T439] kmem_cache_alloc+0x4f/0x2f0 [ 27.246882][ T439] ? vm_area_dup+0x26/0x1d0 [ 27.251210][ T439] vm_area_dup+0x26/0x1d0 [ 27.255484][ T439] dup_mmap+0x6b8/0xea0 [ 27.259639][ T439] ? __delayed_free_task+0x20/0x20 [ 27.264866][ T439] ? mm_init+0x807/0x960 [ 27.268960][ T439] dup_mm+0x91/0x330 [ 27.272673][ T439] copy_mm+0x108/0x1b0 [ 27.277096][ T439] copy_process+0x1295/0x3250 [ 27.281648][ T439] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 27.286557][ T439] ? __kasan_check_write+0x14/0x20 [ 27.291505][ T439] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 27.296452][ T439] kernel_clone+0x22d/0x990 [ 27.301103][ T439] ? cgroup_update_frozen+0x155/0x320 [ 27.306309][ T439] ? _raw_spin_unlock_irq+0x4e/0x70 [ 27.311446][ T439] ? create_io_thread+0x1e0/0x1e0 [ 27.316303][ T439] ? ptrace_stop+0x6eb/0xa30 [ 27.320750][ T439] __x64_sys_clone+0x289/0x310 [ 27.325336][ T439] ? _raw_spin_unlock_irq+0x4e/0x70 [ 27.330749][ T439] ? __do_sys_vfork+0x130/0x130 [ 27.335438][ T439] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 27.340914][ T439] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 27.346810][ T439] do_syscall_64+0x44/0xd0 [ 27.351057][ T439] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.356787][ T439] RIP: 0033:0x7f38de179db9 [pid 439] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 439] close(3) = 0 [pid 439] close(4) = -1 EBADF (Bad file descriptor) [pid 439] close(5) = -1 EBADF (Bad file descriptor) [pid 439] close(6) = -1 EBADF (Bad file descriptor) [pid 439] close(7) = -1 EBADF (Bad file descriptor) [pid 439] close(8) = -1 EBADF (Bad file descriptor) [pid 439] close(9) = -1 EBADF (Bad file descriptor) [pid 439] close(10) = -1 EBADF (Bad file descriptor) [pid 439] close(11) = -1 EBADF (Bad file descriptor) [pid 439] close(12) = -1 EBADF (Bad file descriptor) [pid 439] close(13) = -1 EBADF (Bad file descriptor) [pid 439] close(14) = -1 EBADF (Bad file descriptor) [pid 439] close(15) = -1 EBADF (Bad file descriptor) [pid 439] close(16) = -1 EBADF (Bad file descriptor) [pid 439] close(17) = -1 EBADF (Bad file descriptor) [pid 439] close(18) = -1 EBADF (Bad file descriptor) [pid 439] close(19) = -1 EBADF (Bad file descriptor) [pid 439] close(20) = -1 EBADF (Bad file descriptor) [pid 439] close(21) = -1 EBADF (Bad file descriptor) [pid 439] close(22) = -1 EBADF (Bad file descriptor) [pid 439] close(23) = -1 EBADF (Bad file descriptor) [pid 439] close(24) = -1 EBADF (Bad file descriptor) [pid 439] close(25) = -1 EBADF (Bad file descriptor) [pid 439] close(26) = -1 EBADF (Bad file descriptor) [pid 439] close(27) = -1 EBADF (Bad file descriptor) [pid 439] close(28) = -1 EBADF (Bad file descriptor) [pid 439] close(29) = -1 EBADF (Bad file descriptor) [pid 439] exit_group(0) = ? [ 27.361137][ T439] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 27.380799][ T439] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 27.389215][ T439] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 27.397109][ T439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 27.405095][ T439] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 27.412919][ T439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [pid 439] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 26 ./strace-static-x86_64: Process 440 attached [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 440] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 440] write(3, "58", 2) = 2 [ 27.420715][ T439] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 27.428531][ T439] [ 27.442330][ T440] FAULT_INJECTION: forcing a failure. [ 27.442330][ T440] name failslab, interval 1, probability 0, space 0, times 0 [ 27.454795][ T440] CPU: 1 PID: 440 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 27.464729][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 27.474609][ T440] Call Trace: [ 27.477745][ T440] [ 27.480511][ T440] dump_stack_lvl+0x151/0x1b7 [ 27.485023][ T440] ? bfq_pos_tree_add_move+0x43e/0x43e [ 27.490504][ T440] dump_stack+0x15/0x17 [ 27.496540][ T440] should_fail+0x3c0/0x510 [ 27.502629][ T440] __should_failslab+0x9f/0xe0 [ 27.507660][ T440] should_failslab+0x9/0x20 [ 27.512084][ T440] kmem_cache_alloc+0x4f/0x2f0 [ 27.516682][ T440] ? anon_vma_fork+0x1b9/0x4f0 [ 27.521441][ T440] anon_vma_fork+0x1b9/0x4f0 [ 27.525869][ T440] dup_mmap+0x750/0xea0 [ 27.529927][ T440] ? __delayed_free_task+0x20/0x20 [ 27.534881][ T440] ? mm_init+0x807/0x960 [ 27.538955][ T440] dup_mm+0x91/0x330 [ 27.542769][ T440] copy_mm+0x108/0x1b0 [ 27.546673][ T440] copy_process+0x1295/0x3250 [ 27.551190][ T440] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 27.556140][ T440] ? __kasan_check_write+0x14/0x20 [ 27.561089][ T440] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 27.566035][ T440] kernel_clone+0x22d/0x990 [ 27.570375][ T440] ? cgroup_update_frozen+0x155/0x320 [ 27.575578][ T440] ? _raw_spin_unlock_irq+0x4e/0x70 [ 27.580710][ T440] ? create_io_thread+0x1e0/0x1e0 [ 27.585557][ T440] ? ptrace_stop+0x6eb/0xa30 [ 27.590128][ T440] __x64_sys_clone+0x289/0x310 [ 27.594757][ T440] ? _raw_spin_unlock_irq+0x4e/0x70 [ 27.599795][ T440] ? __do_sys_vfork+0x130/0x130 [ 27.604482][ T440] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 27.609948][ T440] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 27.615762][ T440] do_syscall_64+0x44/0xd0 [ 27.620016][ T440] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.625746][ T440] RIP: 0033:0x7f38de179db9 [ 27.630006][ T440] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 27.649831][ T440] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 27.658065][ T440] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 27.665874][ T440] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [pid 440] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 440] close(3) = 0 [pid 440] close(4) = -1 EBADF (Bad file descriptor) [pid 440] close(5) = -1 EBADF (Bad file descriptor) [pid 440] close(6) = -1 EBADF (Bad file descriptor) [pid 440] close(7) = -1 EBADF (Bad file descriptor) [pid 440] close(8) = -1 EBADF (Bad file descriptor) [pid 440] close(9) = -1 EBADF (Bad file descriptor) [pid 440] close(10) = -1 EBADF (Bad file descriptor) [pid 440] close(11) = -1 EBADF (Bad file descriptor) [pid 440] close(12) = -1 EBADF (Bad file descriptor) [pid 440] close(13) = -1 EBADF (Bad file descriptor) [pid 440] close(14) = -1 EBADF (Bad file descriptor) [pid 440] close(15) = -1 EBADF (Bad file descriptor) [pid 440] close(16) = -1 EBADF (Bad file descriptor) [pid 440] close(17) = -1 EBADF (Bad file descriptor) [pid 440] close(18) = -1 EBADF (Bad file descriptor) [pid 440] close(19) = -1 EBADF (Bad file descriptor) [pid 440] close(20) = -1 EBADF (Bad file descriptor) [pid 440] close(21) = -1 EBADF (Bad file descriptor) [pid 440] close(22) = -1 EBADF (Bad file descriptor) [pid 440] close(23) = -1 EBADF (Bad file descriptor) [pid 440] close(24) = -1 EBADF (Bad file descriptor) [pid 440] close(25) = -1 EBADF (Bad file descriptor) [pid 440] close(26) = -1 EBADF (Bad file descriptor) [pid 440] close(27) = -1 EBADF (Bad file descriptor) [pid 440] close(28) = -1 EBADF (Bad file descriptor) [pid 440] close(29) = -1 EBADF (Bad file descriptor) [pid 440] exit_group(0) = ? [pid 440] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 27 ./strace-static-x86_64: Process 441 attached [pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 441] setpgid(0, 0) = 0 [pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 441] write(3, "1000", 4) = 4 [pid 441] close(3) = 0 [pid 441] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 441] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 441] write(3, "58", 2) = 2 [ 27.673688][ T440] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 27.681587][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 27.689402][ T440] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 27.697224][ T440] [ 27.708395][ T441] FAULT_INJECTION: forcing a failure. [ 27.708395][ T441] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 27.721914][ T441] CPU: 1 PID: 441 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 27.731868][ T441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 27.741764][ T441] Call Trace: [ 27.744884][ T441] [ 27.747661][ T441] dump_stack_lvl+0x151/0x1b7 [ 27.752173][ T441] ? bfq_pos_tree_add_move+0x43e/0x43e [ 27.757468][ T441] dump_stack+0x15/0x17 [ 27.761457][ T441] should_fail+0x3c0/0x510 [ 27.765801][ T441] should_fail_alloc_page+0x58/0x70 [ 27.770837][ T441] __alloc_pages+0x1de/0x7c0 [ 27.775264][ T441] ? __count_vm_events+0x30/0x30 [ 27.780033][ T441] ? dup_mm+0x91/0x330 [ 27.784286][ T441] ? copy_mm+0x108/0x1b0 [ 27.788364][ T441] ? copy_process+0x1295/0x3250 [ 27.793048][ T441] ? kernel_clone+0x22d/0x990 [ 27.797564][ T441] ? __x64_sys_clone+0x289/0x310 [ 27.802451][ T441] pte_alloc_one+0x73/0x1b0 [ 27.806967][ T441] ? pfn_modify_allowed+0x2e0/0x2e0 [ 27.811989][ T441] ? __kasan_check_write+0x14/0x20 [ 27.816938][ T441] ? __set_page_owner+0x2ee/0x310 [ 27.821802][ T441] __pte_alloc+0x86/0x350 [ 27.825964][ T441] ? post_alloc_hook+0x1ab/0x1b0 [ 27.830738][ T441] ? free_pgtables+0x210/0x210 [ 27.835350][ T441] ? get_page_from_freelist+0x38b/0x400 [ 27.840891][ T441] copy_pte_range+0x1b1f/0x20b0 [ 27.845585][ T441] ? __kunmap_atomic+0x80/0x80 [ 27.850183][ T441] ? __pud_alloc+0x260/0x260 [ 27.854603][ T441] ? __pud_alloc+0x218/0x260 [ 27.859034][ T441] ? do_handle_mm_fault+0x2370/0x2370 [ 27.864374][ T441] copy_page_range+0xc1e/0x1090 [ 27.869107][ T441] ? pfn_valid+0x1e0/0x1e0 [ 27.873443][ T441] dup_mmap+0x99f/0xea0 [ 27.877442][ T441] ? __delayed_free_task+0x20/0x20 [ 27.882375][ T441] ? mm_init+0x807/0x960 [ 27.886457][ T441] dup_mm+0x91/0x330 [ 27.890191][ T441] copy_mm+0x108/0x1b0 [ 27.894095][ T441] copy_process+0x1295/0x3250 [ 27.898609][ T441] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 27.903558][ T441] ? __kasan_check_write+0x14/0x20 [ 27.908509][ T441] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 27.913455][ T441] kernel_clone+0x22d/0x990 [ 27.918047][ T441] ? cgroup_update_frozen+0x155/0x320 [ 27.923201][ T441] ? _raw_spin_unlock_irq+0x4e/0x70 [ 27.928310][ T441] ? create_io_thread+0x1e0/0x1e0 [ 27.933265][ T441] ? ptrace_stop+0x6eb/0xa30 [ 27.937690][ T441] __x64_sys_clone+0x289/0x310 [ 27.942285][ T441] ? _raw_spin_unlock_irq+0x4e/0x70 [ 27.947316][ T441] ? __do_sys_vfork+0x130/0x130 [ 27.952006][ T441] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 27.957488][ T441] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 27.963400][ T441] do_syscall_64+0x44/0xd0 [ 27.967653][ T441] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.973381][ T441] RIP: 0033:0x7f38de179db9 [ 27.977819][ T441] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 27.997327][ T441] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 28.005658][ T441] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 28.013748][ T441] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 28.021571][ T441] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [pid 441] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 441] close(3) = 0 [pid 441] close(4) = -1 EBADF (Bad file descriptor) [pid 441] close(5) = -1 EBADF (Bad file descriptor) [pid 441] close(6) = -1 EBADF (Bad file descriptor) [pid 441] close(7) = -1 EBADF (Bad file descriptor) [pid 441] close(8) = -1 EBADF (Bad file descriptor) [pid 441] close(9) = -1 EBADF (Bad file descriptor) [pid 441] close(10) = -1 EBADF (Bad file descriptor) [pid 441] close(11) = -1 EBADF (Bad file descriptor) [pid 441] close(12) = -1 EBADF (Bad file descriptor) [pid 441] close(13) = -1 EBADF (Bad file descriptor) [pid 441] close(14) = -1 EBADF (Bad file descriptor) [pid 441] close(15) = -1 EBADF (Bad file descriptor) [pid 441] close(16) = -1 EBADF (Bad file descriptor) [pid 441] close(17) = -1 EBADF (Bad file descriptor) [pid 441] close(18) = -1 EBADF (Bad file descriptor) [pid 441] close(19) = -1 EBADF (Bad file descriptor) [pid 441] close(20) = -1 EBADF (Bad file descriptor) [pid 441] close(21) = -1 EBADF (Bad file descriptor) [pid 441] close(22) = -1 EBADF (Bad file descriptor) [pid 441] close(23) = -1 EBADF (Bad file descriptor) [pid 441] close(24) = -1 EBADF (Bad file descriptor) [pid 441] close(25) = -1 EBADF (Bad file descriptor) [pid 441] close(26) = -1 EBADF (Bad file descriptor) [pid 441] close(27) = -1 EBADF (Bad file descriptor) [pid 441] close(28) = -1 EBADF (Bad file descriptor) [pid 441] close(29) = -1 EBADF (Bad file descriptor) [pid 441] exit_group(0) = ? [pid 441] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 28 ./strace-static-x86_64: Process 442 attached [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 442] setpgid(0, 0) = 0 [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 442] write(3, "1000", 4) = 4 [pid 442] close(3) = 0 [pid 442] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 442] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 442] write(3, "58", 2) = 2 [ 28.029369][ T441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 28.037182][ T441] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 28.044993][ T441] [ 28.063823][ T442] FAULT_INJECTION: forcing a failure. [ 28.063823][ T442] name failslab, interval 1, probability 0, space 0, times 0 [ 28.076263][ T442] CPU: 1 PID: 442 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 28.086459][ T442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 28.096351][ T442] Call Trace: [ 28.099475][ T442] [ 28.102253][ T442] dump_stack_lvl+0x151/0x1b7 [ 28.106764][ T442] ? bfq_pos_tree_add_move+0x43e/0x43e [ 28.112059][ T442] dump_stack+0x15/0x17 [ 28.116059][ T442] should_fail+0x3c0/0x510 [ 28.120439][ T442] __should_failslab+0x9f/0xe0 [ 28.125037][ T442] should_failslab+0x9/0x20 [ 28.129898][ T442] kmem_cache_alloc+0x4f/0x2f0 [ 28.134502][ T442] ? anon_vma_fork+0x1b9/0x4f0 [ 28.139189][ T442] anon_vma_fork+0x1b9/0x4f0 [ 28.143653][ T442] dup_mmap+0x750/0xea0 [ 28.147620][ T442] ? __delayed_free_task+0x20/0x20 [ 28.152550][ T442] ? mm_init+0x807/0x960 [ 28.156630][ T442] dup_mm+0x91/0x330 [ 28.160397][ T442] copy_mm+0x108/0x1b0 [ 28.164269][ T442] copy_process+0x1295/0x3250 [ 28.168808][ T442] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 28.173728][ T442] ? __kasan_check_write+0x14/0x20 [ 28.178761][ T442] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 28.183710][ T442] kernel_clone+0x22d/0x990 [ 28.188047][ T442] ? cgroup_update_frozen+0x155/0x320 [ 28.193266][ T442] ? _raw_spin_unlock_irq+0x4e/0x70 [ 28.198289][ T442] ? create_io_thread+0x1e0/0x1e0 [ 28.203148][ T442] ? ptrace_stop+0x6eb/0xa30 [ 28.207606][ T442] __x64_sys_clone+0x289/0x310 [ 28.212179][ T442] ? _raw_spin_unlock_irq+0x4e/0x70 [ 28.217218][ T442] ? __do_sys_vfork+0x130/0x130 [ 28.221898][ T442] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 28.227363][ T442] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 28.233960][ T442] do_syscall_64+0x44/0xd0 [ 28.238215][ T442] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 28.243940][ T442] RIP: 0033:0x7f38de179db9 [ 28.248199][ T442] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 28.267636][ T442] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [pid 442] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 442] close(3) = 0 [pid 442] close(4) = -1 EBADF (Bad file descriptor) [pid 442] close(5) = -1 EBADF (Bad file descriptor) [pid 442] close(6) = -1 EBADF (Bad file descriptor) [pid 442] close(7) = -1 EBADF (Bad file descriptor) [pid 442] close(8) = -1 EBADF (Bad file descriptor) [pid 442] close(9) = -1 EBADF (Bad file descriptor) [pid 442] close(10) = -1 EBADF (Bad file descriptor) [pid 442] close(11) = -1 EBADF (Bad file descriptor) [pid 442] close(12) = -1 EBADF (Bad file descriptor) [pid 442] close(13) = -1 EBADF (Bad file descriptor) [pid 442] close(14) = -1 EBADF (Bad file descriptor) [pid 442] close(15) = -1 EBADF (Bad file descriptor) [pid 442] close(16) = -1 EBADF (Bad file descriptor) [pid 442] close(17) = -1 EBADF (Bad file descriptor) [pid 442] close(18) = -1 EBADF (Bad file descriptor) [pid 442] close(19) = -1 EBADF (Bad file descriptor) [pid 442] close(20) = -1 EBADF (Bad file descriptor) [pid 442] close(21) = -1 EBADF (Bad file descriptor) [pid 442] close(22) = -1 EBADF (Bad file descriptor) [pid 442] close(23) = -1 EBADF (Bad file descriptor) [pid 442] close(24) = -1 EBADF (Bad file descriptor) [pid 442] close(25) = -1 EBADF (Bad file descriptor) [pid 442] close(26) = -1 EBADF (Bad file descriptor) [pid 442] close(27) = -1 EBADF (Bad file descriptor) [pid 442] close(28) = -1 EBADF (Bad file descriptor) [pid 442] close(29) = -1 EBADF (Bad file descriptor) [pid 442] exit_group(0) = ? [pid 442] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 29 ./strace-static-x86_64: Process 444 attached [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 444] setpgid(0, 0) = 0 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 444] write(3, "1000", 4) = 4 [pid 444] close(3) = 0 [pid 444] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 444] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 444] write(3, "58", 2) = 2 [ 28.275975][ T442] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 28.284387][ T442] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 28.292194][ T442] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 28.300010][ T442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 28.308515][ T442] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 28.316327][ T442] [ 28.326426][ T444] FAULT_INJECTION: forcing a failure. [ 28.326426][ T444] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 28.339557][ T444] CPU: 0 PID: 444 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 28.349421][ T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 28.359323][ T444] Call Trace: [ 28.362436][ T444] [ 28.365220][ T444] dump_stack_lvl+0x151/0x1b7 [ 28.369729][ T444] ? bfq_pos_tree_add_move+0x43e/0x43e [ 28.375021][ T444] ? __kasan_check_write+0x14/0x20 [ 28.379970][ T444] ? __set_page_owner+0x2ee/0x310 [ 28.384832][ T444] dump_stack+0x15/0x17 [ 28.388834][ T444] should_fail+0x3c0/0x510 [ 28.393105][ T444] should_fail_alloc_page+0x58/0x70 [ 28.398114][ T444] __alloc_pages+0x1de/0x7c0 [ 28.402539][ T444] ? __count_vm_events+0x30/0x30 [ 28.407361][ T444] ? __count_vm_events+0x30/0x30 [ 28.412085][ T444] ? __kasan_check_write+0x14/0x20 [ 28.417031][ T444] ? _raw_spin_lock+0xa3/0x1b0 [ 28.421716][ T444] __pmd_alloc+0xb1/0x550 [ 28.425882][ T444] ? kmem_cache_alloc+0x189/0x2f0 [ 28.430746][ T444] ? anon_vma_fork+0x1b9/0x4f0 [ 28.435347][ T444] ? __pud_alloc+0x260/0x260 [ 28.439770][ T444] ? __pud_alloc+0x218/0x260 [ 28.444207][ T444] ? do_handle_mm_fault+0x2370/0x2370 [ 28.449405][ T444] copy_page_range+0xd04/0x1090 [ 28.454097][ T444] ? pfn_valid+0x1e0/0x1e0 [ 28.458765][ T444] dup_mmap+0x99f/0xea0 [ 28.462684][ T444] ? __delayed_free_task+0x20/0x20 [ 28.467632][ T444] ? mm_init+0x807/0x960 [ 28.471712][ T444] dup_mm+0x91/0x330 [ 28.475449][ T444] copy_mm+0x108/0x1b0 [ 28.479351][ T444] copy_process+0x1295/0x3250 [ 28.483948][ T444] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 28.488892][ T444] ? __kasan_check_write+0x14/0x20 [ 28.494045][ T444] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 28.498970][ T444] kernel_clone+0x22d/0x990 [ 28.503302][ T444] ? cgroup_update_frozen+0x155/0x320 [ 28.508509][ T444] ? _raw_spin_unlock_irq+0x4e/0x70 [ 28.513540][ T444] ? create_io_thread+0x1e0/0x1e0 [ 28.518402][ T444] ? ptrace_stop+0x6eb/0xa30 [ 28.522840][ T444] __x64_sys_clone+0x289/0x310 [ 28.527431][ T444] ? _raw_spin_unlock_irq+0x4e/0x70 [ 28.532465][ T444] ? __do_sys_vfork+0x130/0x130 [ 28.537150][ T444] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 28.542625][ T444] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 28.548434][ T444] do_syscall_64+0x44/0xd0 [ 28.552688][ T444] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 28.558608][ T444] RIP: 0033:0x7f38de179db9 [ 28.562842][ T444] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [pid 444] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 444] close(3) = 0 [pid 444] close(4) = -1 EBADF (Bad file descriptor) [pid 444] close(5) = -1 EBADF (Bad file descriptor) [pid 444] close(6) = -1 EBADF (Bad file descriptor) [pid 444] close(7) = -1 EBADF (Bad file descriptor) [pid 444] close(8) = -1 EBADF (Bad file descriptor) [pid 444] close(9) = -1 EBADF (Bad file descriptor) [pid 444] close(10) = -1 EBADF (Bad file descriptor) [pid 444] close(11) = -1 EBADF (Bad file descriptor) [pid 444] close(12) = -1 EBADF (Bad file descriptor) [pid 444] close(13) = -1 EBADF (Bad file descriptor) [pid 444] close(14) = -1 EBADF (Bad file descriptor) [pid 444] close(15) = -1 EBADF (Bad file descriptor) [pid 444] close(16) = -1 EBADF (Bad file descriptor) [pid 444] close(17) = -1 EBADF (Bad file descriptor) [pid 444] close(18) = -1 EBADF (Bad file descriptor) [pid 444] close(19) = -1 EBADF (Bad file descriptor) [pid 444] close(20) = -1 EBADF (Bad file descriptor) [pid 444] close(21) = -1 EBADF (Bad file descriptor) [pid 444] close(22) = -1 EBADF (Bad file descriptor) [pid 444] close(23) = -1 EBADF (Bad file descriptor) [pid 444] close(24) = -1 EBADF (Bad file descriptor) [pid 444] close(25) = -1 EBADF (Bad file descriptor) [pid 444] close(26) = -1 EBADF (Bad file descriptor) [pid 444] close(27) = -1 EBADF (Bad file descriptor) [pid 444] close(28) = -1 EBADF (Bad file descriptor) [pid 444] close(29) = -1 EBADF (Bad file descriptor) [pid 444] exit_group(0) = ? [pid 444] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 30 ./strace-static-x86_64: Process 445 attached [pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 445] setpgid(0, 0) = 0 [pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 445] write(3, "1000", 4) = 4 [pid 445] close(3) = 0 [pid 445] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 445] write(3, "58", 2) = 2 [ 28.582283][ T444] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 28.590523][ T444] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 28.598596][ T444] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 28.606408][ T444] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 28.614218][ T444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 28.622039][ T444] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 28.629872][ T444] [ 28.640811][ T445] FAULT_INJECTION: forcing a failure. [ 28.640811][ T445] name failslab, interval 1, probability 0, space 0, times 0 [ 28.653479][ T445] CPU: 0 PID: 445 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 28.663394][ T445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 28.673373][ T445] Call Trace: [ 28.676494][ T445] [ 28.679287][ T445] dump_stack_lvl+0x151/0x1b7 [ 28.683786][ T445] ? bfq_pos_tree_add_move+0x43e/0x43e [ 28.689085][ T445] dump_stack+0x15/0x17 [ 28.693073][ T445] should_fail+0x3c0/0x510 [ 28.697328][ T445] __should_failslab+0x9f/0xe0 [ 28.701924][ T445] should_failslab+0x9/0x20 [ 28.706266][ T445] kmem_cache_alloc+0x4f/0x2f0 [ 28.710955][ T445] ? vm_area_dup+0x26/0x1d0 [ 28.715288][ T445] ? __kasan_check_read+0x11/0x20 [ 28.720172][ T445] vm_area_dup+0x26/0x1d0 [ 28.724493][ T445] dup_mmap+0x6b8/0xea0 [ 28.728482][ T445] ? __delayed_free_task+0x20/0x20 [ 28.733430][ T445] ? mm_init+0x807/0x960 [ 28.737507][ T445] dup_mm+0x91/0x330 [ 28.741241][ T445] copy_mm+0x108/0x1b0 [ 28.745146][ T445] copy_process+0x1295/0x3250 [ 28.749661][ T445] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 28.754608][ T445] ? __kasan_check_write+0x14/0x20 [ 28.759554][ T445] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 28.764499][ T445] kernel_clone+0x22d/0x990 [ 28.768847][ T445] ? cgroup_update_frozen+0x155/0x320 [ 28.774045][ T445] ? _raw_spin_unlock_irq+0x4e/0x70 [ 28.779079][ T445] ? create_io_thread+0x1e0/0x1e0 [ 28.783944][ T445] ? ptrace_stop+0x6eb/0xa30 [ 28.788367][ T445] __x64_sys_clone+0x289/0x310 [ 28.792966][ T445] ? _raw_spin_unlock_irq+0x4e/0x70 [ 28.798002][ T445] ? __do_sys_vfork+0x130/0x130 [ 28.802691][ T445] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 28.808158][ T445] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 28.813975][ T445] do_syscall_64+0x44/0xd0 [ 28.818223][ T445] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 28.823951][ T445] RIP: 0033:0x7f38de179db9 [pid 445] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 445] close(3) = 0 [pid 445] close(4) = -1 EBADF (Bad file descriptor) [pid 445] close(5) = -1 EBADF (Bad file descriptor) [pid 445] close(6) = -1 EBADF (Bad file descriptor) [pid 445] close(7) = -1 EBADF (Bad file descriptor) [pid 445] close(8) = -1 EBADF (Bad file descriptor) [pid 445] close(9) = -1 EBADF (Bad file descriptor) [ 28.828204][ T445] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 28.847666][ T445] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 28.855891][ T445] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 28.863706][ T445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 28.871693][ T445] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 28.879498][ T445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [pid 445] close(10) = -1 EBADF (Bad file descriptor) [pid 445] close(11) = -1 EBADF (Bad file descriptor) [pid 445] close(12) = -1 EBADF (Bad file descriptor) [pid 445] close(13) = -1 EBADF (Bad file descriptor) [pid 445] close(14) = -1 EBADF (Bad file descriptor) [pid 445] close(15) = -1 EBADF (Bad file descriptor) [pid 445] close(16) = -1 EBADF (Bad file descriptor) [pid 445] close(17) = -1 EBADF (Bad file descriptor) [pid 445] close(18) = -1 EBADF (Bad file descriptor) [pid 445] close(19) = -1 EBADF (Bad file descriptor) [pid 445] close(20) = -1 EBADF (Bad file descriptor) [pid 445] close(21) = -1 EBADF (Bad file descriptor) [pid 445] close(22) = -1 EBADF (Bad file descriptor) [pid 445] close(23) = -1 EBADF (Bad file descriptor) [pid 445] close(24) = -1 EBADF (Bad file descriptor) [pid 445] close(25) = -1 EBADF (Bad file descriptor) [pid 445] close(26) = -1 EBADF (Bad file descriptor) [pid 445] close(27) = -1 EBADF (Bad file descriptor) [pid 445] close(28) = -1 EBADF (Bad file descriptor) [pid 445] close(29) = -1 EBADF (Bad file descriptor) [pid 445] exit_group(0) = ? [pid 445] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 446 attached , child_tidptr=0x5555556bd5d0) = 31 [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3) = 0 [pid 446] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 446] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 446] write(3, "58", 2) = 2 [ 28.887317][ T445] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 28.895125][ T445] [ 28.908818][ T446] FAULT_INJECTION: forcing a failure. [ 28.908818][ T446] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 28.921848][ T446] CPU: 1 PID: 446 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 28.931805][ T446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 28.941698][ T446] Call Trace: [ 28.944818][ T446] [ 28.947606][ T446] dump_stack_lvl+0x151/0x1b7 [ 28.952108][ T446] ? bfq_pos_tree_add_move+0x43e/0x43e [ 28.957406][ T446] dump_stack+0x15/0x17 [ 28.961397][ T446] should_fail+0x3c0/0x510 [ 28.965656][ T446] should_fail_alloc_page+0x58/0x70 [ 28.970682][ T446] __alloc_pages+0x1de/0x7c0 [ 28.975113][ T446] ? __count_vm_events+0x30/0x30 [ 28.979937][ T446] ? dup_mm+0x91/0x330 [ 28.983788][ T446] ? copy_mm+0x108/0x1b0 [ 28.987865][ T446] ? copy_process+0x1295/0x3250 [ 28.992552][ T446] ? kernel_clone+0x22d/0x990 [ 28.997065][ T446] ? __x64_sys_clone+0x289/0x310 [ 29.001844][ T446] pte_alloc_one+0x73/0x1b0 [ 29.006180][ T446] ? pfn_modify_allowed+0x2e0/0x2e0 [ 29.011331][ T446] ? __kasan_check_write+0x14/0x20 [ 29.016274][ T446] ? __set_page_owner+0x2ee/0x310 [ 29.021141][ T446] __pte_alloc+0x86/0x350 [ 29.025301][ T446] ? post_alloc_hook+0x1ab/0x1b0 [ 29.030081][ T446] ? free_pgtables+0x210/0x210 [ 29.034674][ T446] ? get_page_from_freelist+0x38b/0x400 [ 29.040059][ T446] copy_pte_range+0x1b1f/0x20b0 [ 29.044744][ T446] ? __kunmap_atomic+0x80/0x80 [ 29.049345][ T446] ? __pud_alloc+0x260/0x260 [ 29.053770][ T446] ? __pud_alloc+0x218/0x260 [ 29.058195][ T446] ? do_handle_mm_fault+0x2370/0x2370 [ 29.063408][ T446] copy_page_range+0xc1e/0x1090 [ 29.068380][ T446] ? pfn_valid+0x1e0/0x1e0 [ 29.072638][ T446] dup_mmap+0x99f/0xea0 [ 29.076621][ T446] ? __delayed_free_task+0x20/0x20 [ 29.081568][ T446] ? mm_init+0x807/0x960 [ 29.085652][ T446] dup_mm+0x91/0x330 [ 29.089467][ T446] copy_mm+0x108/0x1b0 [ 29.093371][ T446] copy_process+0x1295/0x3250 [ 29.097890][ T446] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 29.102841][ T446] ? __kasan_check_write+0x14/0x20 [ 29.107783][ T446] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 29.112732][ T446] kernel_clone+0x22d/0x990 [ 29.117065][ T446] ? cgroup_update_frozen+0x155/0x320 [ 29.122304][ T446] ? _raw_spin_unlock_irq+0x4e/0x70 [ 29.127306][ T446] ? create_io_thread+0x1e0/0x1e0 [ 29.132172][ T446] ? ptrace_stop+0x6eb/0xa30 [ 29.136594][ T446] __x64_sys_clone+0x289/0x310 [ 29.141195][ T446] ? _raw_spin_unlock_irq+0x4e/0x70 [ 29.146229][ T446] ? __do_sys_vfork+0x130/0x130 [ 29.150915][ T446] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 29.156391][ T446] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 29.162201][ T446] do_syscall_64+0x44/0xd0 [ 29.166451][ T446] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 29.172180][ T446] RIP: 0033:0x7f38de179db9 [pid 446] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 446] close(3) = 0 [pid 446] close(4) = -1 EBADF (Bad file descriptor) [pid 446] close(5) = -1 EBADF (Bad file descriptor) [pid 446] close(6) = -1 EBADF (Bad file descriptor) [pid 446] close(7) = -1 EBADF (Bad file descriptor) [pid 446] close(8) = -1 EBADF (Bad file descriptor) [pid 446] close(9) = -1 EBADF (Bad file descriptor) [pid 446] close(10) = -1 EBADF (Bad file descriptor) [pid 446] close(11) = -1 EBADF (Bad file descriptor) [pid 446] close(12) = -1 EBADF (Bad file descriptor) [pid 446] close(13) = -1 EBADF (Bad file descriptor) [pid 446] close(14) = -1 EBADF (Bad file descriptor) [pid 446] close(15) = -1 EBADF (Bad file descriptor) [pid 446] close(16) = -1 EBADF (Bad file descriptor) [pid 446] close(17) = -1 EBADF (Bad file descriptor) [pid 446] close(18) = -1 EBADF (Bad file descriptor) [pid 446] close(19) = -1 EBADF (Bad file descriptor) [pid 446] close(20) = -1 EBADF (Bad file descriptor) [pid 446] close(21) = -1 EBADF (Bad file descriptor) [pid 446] close(22) = -1 EBADF (Bad file descriptor) [pid 446] close(23) = -1 EBADF (Bad file descriptor) [pid 446] close(24) = -1 EBADF (Bad file descriptor) [pid 446] close(25) = -1 EBADF (Bad file descriptor) [pid 446] close(26) = -1 EBADF (Bad file descriptor) [pid 446] close(27) = -1 EBADF (Bad file descriptor) [pid 446] close(28) = -1 EBADF (Bad file descriptor) [pid 446] close(29) = -1 EBADF (Bad file descriptor) [pid 446] exit_group(0) = ? [pid 446] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 29.176439][ T446] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 29.195959][ T446] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 29.204466][ T446] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 29.212283][ T446] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 29.220089][ T446] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 29.228188][ T446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 32 ./strace-static-x86_64: Process 448 attached [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 448] setpgid(0, 0) = 0 [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 448] write(3, "1000", 4) = 4 [pid 448] close(3) = 0 [pid 448] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 448] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 448] write(3, "58", 2) = 2 [ 29.237459][ T446] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 29.245353][ T446] [ 29.255520][ T448] FAULT_INJECTION: forcing a failure. [ 29.255520][ T448] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 29.268574][ T448] CPU: 0 PID: 448 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 29.278496][ T448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 29.288393][ T448] Call Trace: [ 29.291519][ T448] [ 29.294297][ T448] dump_stack_lvl+0x151/0x1b7 [ 29.298808][ T448] ? bfq_pos_tree_add_move+0x43e/0x43e [ 29.304101][ T448] ? __kasan_check_write+0x14/0x20 [ 29.309055][ T448] ? __set_page_owner+0x2ee/0x310 [ 29.313909][ T448] dump_stack+0x15/0x17 [ 29.317900][ T448] should_fail+0x3c0/0x510 [ 29.322155][ T448] should_fail_alloc_page+0x58/0x70 [ 29.327363][ T448] __alloc_pages+0x1de/0x7c0 [ 29.331789][ T448] ? __count_vm_events+0x30/0x30 [ 29.336589][ T448] ? __count_vm_events+0x30/0x30 [ 29.341372][ T448] ? __kasan_check_write+0x14/0x20 [ 29.346450][ T448] ? _raw_spin_lock+0xa3/0x1b0 [ 29.351021][ T448] __pmd_alloc+0xb1/0x550 [ 29.355186][ T448] ? kmem_cache_alloc+0x189/0x2f0 [ 29.360045][ T448] ? anon_vma_fork+0x1b9/0x4f0 [ 29.364909][ T448] ? __pud_alloc+0x260/0x260 [ 29.369331][ T448] ? __pud_alloc+0x218/0x260 [ 29.373760][ T448] ? do_handle_mm_fault+0x2370/0x2370 [ 29.378968][ T448] copy_page_range+0xd04/0x1090 [ 29.383652][ T448] ? pfn_valid+0x1e0/0x1e0 [ 29.387906][ T448] dup_mmap+0x99f/0xea0 [ 29.391900][ T448] ? __delayed_free_task+0x20/0x20 [ 29.396932][ T448] ? mm_init+0x807/0x960 [ 29.401011][ T448] dup_mm+0x91/0x330 [ 29.404742][ T448] copy_mm+0x108/0x1b0 [ 29.408662][ T448] copy_process+0x1295/0x3250 [ 29.413171][ T448] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 29.418109][ T448] ? __kasan_check_write+0x14/0x20 [ 29.423059][ T448] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 29.428005][ T448] kernel_clone+0x22d/0x990 [ 29.432342][ T448] ? cgroup_update_frozen+0x155/0x320 [ 29.437551][ T448] ? _raw_spin_unlock_irq+0x4e/0x70 [ 29.442588][ T448] ? create_io_thread+0x1e0/0x1e0 [ 29.447456][ T448] ? ptrace_stop+0x6eb/0xa30 [ 29.451873][ T448] __x64_sys_clone+0x289/0x310 [ 29.456471][ T448] ? _raw_spin_unlock_irq+0x4e/0x70 [ 29.461505][ T448] ? __do_sys_vfork+0x130/0x130 [ 29.466196][ T448] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 29.471660][ T448] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 29.477475][ T448] do_syscall_64+0x44/0xd0 [ 29.481728][ T448] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 29.487458][ T448] RIP: 0033:0x7f38de179db9 [ 29.491710][ T448] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 29.511151][ T448] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 29.519392][ T448] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 29.527290][ T448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 29.535103][ T448] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [pid 448] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 448] close(3) = 0 [pid 448] close(4) = -1 EBADF (Bad file descriptor) [pid 448] close(5) = -1 EBADF (Bad file descriptor) [pid 448] close(6) = -1 EBADF (Bad file descriptor) [pid 448] close(7) = -1 EBADF (Bad file descriptor) [pid 448] close(8) = -1 EBADF (Bad file descriptor) [pid 448] close(9) = -1 EBADF (Bad file descriptor) [pid 448] close(10) = -1 EBADF (Bad file descriptor) [pid 448] close(11) = -1 EBADF (Bad file descriptor) [pid 448] close(12) = -1 EBADF (Bad file descriptor) [pid 448] close(13) = -1 EBADF (Bad file descriptor) [pid 448] close(14) = -1 EBADF (Bad file descriptor) [pid 448] close(15) = -1 EBADF (Bad file descriptor) [pid 448] close(16) = -1 EBADF (Bad file descriptor) [pid 448] close(17) = -1 EBADF (Bad file descriptor) [pid 448] close(18) = -1 EBADF (Bad file descriptor) [pid 448] close(19) = -1 EBADF (Bad file descriptor) [pid 448] close(20) = -1 EBADF (Bad file descriptor) [pid 448] close(21) = -1 EBADF (Bad file descriptor) [pid 448] close(22) = -1 EBADF (Bad file descriptor) [pid 448] close(23) = -1 EBADF (Bad file descriptor) [pid 448] close(24) = -1 EBADF (Bad file descriptor) [pid 448] close(25) = -1 EBADF (Bad file descriptor) [pid 448] close(26) = -1 EBADF (Bad file descriptor) [pid 448] close(27) = -1 EBADF (Bad file descriptor) [pid 448] close(28) = -1 EBADF (Bad file descriptor) [pid 448] close(29) = -1 EBADF (Bad file descriptor) [pid 448] exit_group(0) = ? [pid 448] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556bd5d0) = 33 ./strace-static-x86_64: Process 449 attached [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3) = 0 [pid 449] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 449] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 449] write(3, "58", 2) = 2 [ 29.543002][ T448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 29.550814][ T448] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 29.558639][ T448] [ 29.568382][ T449] FAULT_INJECTION: forcing a failure. [ 29.568382][ T449] name failslab, interval 1, probability 0, space 0, times 0 [ 29.580839][ T449] CPU: 1 PID: 449 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 29.590757][ T449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 29.600646][ T449] Call Trace: [ 29.603833][ T449] [ 29.606551][ T449] dump_stack_lvl+0x151/0x1b7 [ 29.611063][ T449] ? bfq_pos_tree_add_move+0x43e/0x43e [ 29.616356][ T449] dump_stack+0x15/0x17 [ 29.620351][ T449] should_fail+0x3c0/0x510 [ 29.624604][ T449] __should_failslab+0x9f/0xe0 [ 29.629202][ T449] should_failslab+0x9/0x20 [ 29.635540][ T449] kmem_cache_alloc+0x4f/0x2f0 [ 29.640150][ T449] ? vm_area_dup+0x26/0x1d0 [ 29.644477][ T449] vm_area_dup+0x26/0x1d0 [ 29.648650][ T449] dup_mmap+0x6b8/0xea0 [ 29.652637][ T449] ? __delayed_free_task+0x20/0x20 [ 29.657583][ T449] ? mm_init+0x807/0x960 [ 29.661665][ T449] dup_mm+0x91/0x330 [ 29.665394][ T449] copy_mm+0x108/0x1b0 [ 29.669300][ T449] copy_process+0x1295/0x3250 [ 29.673813][ T449] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 29.678760][ T449] ? __kasan_check_write+0x14/0x20 [ 29.683704][ T449] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 29.688655][ T449] kernel_clone+0x22d/0x990 [ 29.692996][ T449] ? cgroup_update_frozen+0x155/0x320 [ 29.698205][ T449] ? _raw_spin_unlock_irq+0x4e/0x70 [ 29.703236][ T449] ? create_io_thread+0x1e0/0x1e0 [ 29.708097][ T449] ? ptrace_stop+0x6eb/0xa30 [ 29.712540][ T449] __x64_sys_clone+0x289/0x310 [ 29.717119][ T449] ? _raw_spin_unlock_irq+0x4e/0x70 [ 29.722160][ T449] ? __do_sys_vfork+0x130/0x130 [ 29.726851][ T449] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 29.732311][ T449] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 29.738124][ T449] do_syscall_64+0x44/0xd0 [ 29.742382][ T449] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 29.748108][ T449] RIP: 0033:0x7f38de179db9 [ 29.752360][ T449] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 29.771802][ T449] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 29.780046][ T449] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 29.787859][ T449] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [pid 449] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 449] close(3) = 0 [pid 449] close(4) = -1 EBADF (Bad file descriptor) [pid 449] close(5) = -1 EBADF (Bad file descriptor) [pid 449] close(6) = -1 EBADF (Bad file descriptor) [pid 449] close(7) = -1 EBADF (Bad file descriptor) [pid 449] close(8) = -1 EBADF (Bad file descriptor) [pid 449] close(9) = -1 EBADF (Bad file descriptor) [pid 449] close(10) = -1 EBADF (Bad file descriptor) [pid 449] close(11) = -1 EBADF (Bad file descriptor) [pid 449] close(12) = -1 EBADF (Bad file descriptor) [pid 449] close(13) = -1 EBADF (Bad file descriptor) [pid 449] close(14) = -1 EBADF (Bad file descriptor) [pid 449] close(15) = -1 EBADF (Bad file descriptor) [pid 449] close(16) = -1 EBADF (Bad file descriptor) [pid 449] close(17) = -1 EBADF (Bad file descriptor) [pid 449] close(18) = -1 EBADF (Bad file descriptor) [pid 449] close(19) = -1 EBADF (Bad file descriptor) [pid 449] close(20) = -1 EBADF (Bad file descriptor) [pid 449] close(21) = -1 EBADF (Bad file descriptor) [pid 449] close(22) = -1 EBADF (Bad file descriptor) [pid 449] close(23) = -1 EBADF (Bad file descriptor) [pid 449] close(24) = -1 EBADF (Bad file descriptor) [pid 449] close(25) = -1 EBADF (Bad file descriptor) [pid 449] close(26) = -1 EBADF (Bad file descriptor) [pid 449] close(27) = -1 EBADF (Bad file descriptor) [pid 449] close(28) = -1 EBADF (Bad file descriptor) [pid 449] close(29) = -1 EBADF (Bad file descriptor) [pid 449] exit_group(0) = ? [pid 449] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 408] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 450 attached , child_tidptr=0x5555556bd5d0) = 34 [pid 450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 450] setpgid(0, 0) = 0 [pid 450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 450] write(3, "1000", 4) = 4 [pid 450] close(3) = 0 [pid 450] read(200, 0x7ffc720961c0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 450] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 450] write(3, "58", 2) = 2 [ 29.795666][ T449] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 29.803484][ T449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 29.811293][ T449] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 29.819102][ T449] [ 29.828674][ T449] syz-executor902 (449) used greatest stack depth: 22400 bytes left [ 29.840201][ T450] FAULT_INJECTION: forcing a failure. [ 29.840201][ T450] name failslab, interval 1, probability 0, space 0, times 0 [ 29.852788][ T450] CPU: 0 PID: 450 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 29.862660][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 29.872555][ T450] Call Trace: [ 29.875685][ T450] [ 29.878454][ T450] dump_stack_lvl+0x151/0x1b7 [ 29.882967][ T450] ? bfq_pos_tree_add_move+0x43e/0x43e [ 29.888265][ T450] dump_stack+0x15/0x17 [ 29.892256][ T450] should_fail+0x3c0/0x510 [ 29.896510][ T450] __should_failslab+0x9f/0xe0 [ 29.901112][ T450] should_failslab+0x9/0x20 [ 29.905541][ T450] kmem_cache_alloc+0x4f/0x2f0 [ 29.910138][ T450] ? anon_vma_fork+0x1b9/0x4f0 [ 29.914748][ T450] anon_vma_fork+0x1b9/0x4f0 [ 29.919162][ T450] dup_mmap+0x750/0xea0 [ 29.923155][ T450] ? __delayed_free_task+0x20/0x20 [ 29.928105][ T450] ? mm_init+0x807/0x960 [ 29.932177][ T450] dup_mm+0x91/0x330 [ 29.935910][ T450] copy_mm+0x108/0x1b0 [ 29.939819][ T450] copy_process+0x1295/0x3250 [ 29.944330][ T450] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 29.949284][ T450] ? __kasan_check_write+0x14/0x20 [ 29.954225][ T450] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 29.959171][ T450] kernel_clone+0x22d/0x990 [ 29.963518][ T450] ? cgroup_update_frozen+0x155/0x320 [ 29.968723][ T450] ? _raw_spin_unlock_irq+0x4e/0x70 [ 29.973754][ T450] ? create_io_thread+0x1e0/0x1e0 [ 29.978615][ T450] ? ptrace_stop+0x6eb/0xa30 [ 29.983040][ T450] __x64_sys_clone+0x289/0x310 [ 29.987818][ T450] ? _raw_spin_unlock_irq+0x4e/0x70 [ 29.992854][ T450] ? __do_sys_vfork+0x130/0x130 [ 29.997572][ T450] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 30.003129][ T450] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 30.008919][ T450] do_syscall_64+0x44/0xd0 [ 30.013188][ T450] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 30.018893][ T450] RIP: 0033:0x7f38de179db9 [ 30.023212][ T450] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 30.042620][ T450] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 30.050843][ T450] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 30.058659][ T450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 30.066489][ T450] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 30.074411][ T450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 30.082226][ T450] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 30.090045][ T450] [ 30.093230][ T450] ================================================================== [ 30.101103][ T450] BUG: KASAN: double-free or invalid-free in kfree+0xc8/0x210 [ 30.108389][ T450] [ 30.110553][ T450] CPU: 0 PID: 450 Comm: syz-executor902 Not tainted 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 30.120547][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 30.130431][ T450] Call Trace: [ 30.133552][ T450] [ 30.136328][ T450] dump_stack_lvl+0x151/0x1b7 [ 30.140840][ T450] ? bfq_pos_tree_add_move+0x43e/0x43e [ 30.146133][ T450] ? panic+0x727/0x727 [ 30.150154][ T450] ? debug_smp_processor_id+0x17/0x20 [ 30.155357][ T450] ? kmem_cache_free+0x11a/0x2e0 [ 30.160134][ T450] ? kfree+0xc8/0x210 [ 30.163948][ T450] print_address_description+0x87/0x3d0 [ 30.169332][ T450] ? kfree+0xc8/0x210 [ 30.173148][ T450] ? kfree+0xc8/0x210 [ 30.176971][ T450] kasan_report_invalid_free+0x72/0xa0 [ 30.182259][ T450] ____kasan_slab_free+0x13e/0x160 [ 30.187214][ T450] __kasan_slab_free+0x11/0x20 [ 30.191816][ T450] slab_free_freelist_hook+0xc9/0x1a0 [ 30.197018][ T450] ? anon_vma_name_free+0x15/0x20 [ 30.201882][ T450] kfree+0xc8/0x210 [ 30.205522][ T450] anon_vma_name_free+0x15/0x20 [ 30.210206][ T450] vm_area_free+0xa6/0x230 [ 30.214466][ T450] dup_mmap+0xbcd/0xea0 [ 30.218461][ T450] ? __delayed_free_task+0x20/0x20 [ 30.223407][ T450] ? mm_init+0x807/0x960 [ 30.227479][ T450] dup_mm+0x91/0x330 [ 30.231216][ T450] copy_mm+0x108/0x1b0 [ 30.235115][ T450] copy_process+0x1295/0x3250 [ 30.239635][ T450] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 30.244590][ T450] ? __kasan_check_write+0x14/0x20 [ 30.249526][ T450] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 30.254488][ T450] kernel_clone+0x22d/0x990 [ 30.258818][ T450] ? cgroup_update_frozen+0x155/0x320 [ 30.264019][ T450] ? _raw_spin_unlock_irq+0x4e/0x70 [ 30.269053][ T450] ? create_io_thread+0x1e0/0x1e0 [ 30.273910][ T450] ? ptrace_stop+0x6eb/0xa30 [ 30.278338][ T450] __x64_sys_clone+0x289/0x310 [ 30.282935][ T450] ? _raw_spin_unlock_irq+0x4e/0x70 [ 30.287970][ T450] ? __do_sys_vfork+0x130/0x130 [ 30.292658][ T450] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 30.298127][ T450] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 30.303942][ T450] do_syscall_64+0x44/0xd0 [ 30.308193][ T450] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 30.313920][ T450] RIP: 0033:0x7f38de179db9 [ 30.318176][ T450] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 30.337708][ T450] RSP: 002b:00007ffc720965b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 30.345971][ T450] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38de179db9 [ 30.353760][ T450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001802200 [ 30.361571][ T450] RBP: 00007ffc720965d0 R08: 0000000000000000 R09: 0000000072096660 [ 30.369383][ T450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 30.377280][ T450] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 30.385098][ T450] [ 30.387956][ T450] [ 30.390124][ T450] Allocated by task 407: [ 30.394210][ T450] __kasan_slab_alloc+0xb2/0xe0 [ 30.398982][ T450] kmem_cache_alloc+0x189/0x2f0 [ 30.403662][ T450] vm_area_dup+0x26/0x1d0 [ 30.407830][ T450] dup_mmap+0x6b8/0xea0 [ 30.411823][ T450] dup_mm+0x91/0x330 [ 30.415553][ T450] copy_mm+0x108/0x1b0 [ 30.419462][ T450] copy_process+0x1295/0x3250 [ 30.423975][ T450] kernel_clone+0x22d/0x990 [ 30.428311][ T450] __x64_sys_clone+0x289/0x310 [ 30.432914][ T450] do_syscall_64+0x44/0xd0 [ 30.437165][ T450] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 30.442900][ T450] [ 30.445084][ T450] The buggy address belongs to the object at ffff88811ef08a68 [ 30.445084][ T450] which belongs to the cache vm_area_struct of size 232 [ 30.459214][ T450] The buggy address is located 88 bytes inside of [ 30.459214][ T450] 232-byte region [ffff88811ef08a68, ffff88811ef08b50) [ 30.472230][ T450] The buggy address belongs to the page: [ 30.477700][ T450] page:ffffea00047bc200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11ef08 [ 30.487794][ T450] flags: 0x4000000000000200(slab|zone=1) [ 30.493248][ T450] raw: 4000000000000200 0000000000000000 dead000000000122 ffff888100274c00 [ 30.501748][ T450] raw: 0000000000000000 00000000000d000d 00000001ffffffff 0000000000000000 [ 30.510161][ T450] page dumped because: kasan: bad access detected [ 30.516418][ T450] page_owner tracks the page as allocated [ 30.521963][ T450] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 407, ts 19706530116, free_ts 0 [ 30.536995][ T450] post_alloc_hook+0x1ab/0x1b0 [ 30.541600][ T450] get_page_from_freelist+0x38b/0x400 [ 30.546790][ T450] __alloc_pages+0x3a8/0x7c0 [ 30.551218][ T450] allocate_slab+0x62/0x580 [ 30.555550][ T450] ___slab_alloc+0x2e2/0x6f0 [ 30.559976][ T450] __slab_alloc+0x4a/0x90 [ 30.564140][ T450] kmem_cache_alloc+0x205/0x2f0 [ 30.568829][ T450] vm_area_dup+0x26/0x1d0 [ 30.572995][ T450] dup_mmap+0x6b8/0xea0 [ 30.576986][ T450] dup_mm+0x91/0x330 [ 30.580716][ T450] copy_mm+0x108/0x1b0 [ 30.584625][ T450] copy_process+0x1295/0x3250 [ 30.589142][ T450] kernel_clone+0x22d/0x990 [ 30.593476][ T450] __x64_sys_clone+0x289/0x310 [ 30.598075][ T450] do_syscall_64+0x44/0xd0 [ 30.602328][ T450] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 30.608056][ T450] page_owner free stack trace missing [ 30.613265][ T450] [ 30.615436][ T450] Memory state around the buggy address: [ 30.620905][ T450] ffff88811ef08980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.628803][ T450] ffff88811ef08a00: 00 00 00 00 00 fc fc fc fc fc fc fc fc 00 00 00 [ 30.636701][ T450] >ffff88811ef08a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [pid 450] clone(child_stack=NULL, flags=CLONE_FS|CLONE_PTRACE|CLONE_UNTRACED|CLONE_CHILD_SETTID, child_tidptr=NULL) = -1 ENOMEM (Cannot allocate memory) [pid 450] close(3) = 0 [pid 450] close(4) = -1 EBADF (Bad file descriptor) [pid 450] close(5) = -1 EBADF (Bad file descriptor) [pid 450] close(6) = -1 EBADF (Bad file descriptor) [pid 450] close(7) = -1 EBADF (Bad file descriptor) [pid 450] close(8) = -1 EBADF (Bad file descriptor) [pid 450] close(9) = -1 EBADF (Bad file descriptor) [pid 450] close(10) = -1 EBADF (Bad file descriptor) [pid 450] close(11) = -1 EBADF (Bad file descriptor) [pid 450] close(12) = -1 EBADF (Bad file descriptor) [pid 450] close(13) = -1 EBADF (Bad file descriptor) [pid 450] close(14) = -1 EBADF (Bad file descriptor) [pid 450] close(15) = -1 EBADF (Bad file descriptor) [pid 450] close(16) = -1 EBADF (Bad file descriptor) [pid 450] close(17) = -1 EBADF (Bad file descriptor) [pid 450] close(18) = -1 EBADF (Bad file descriptor) [pid 450] close(19) = -1 EBADF (Bad file descriptor) [pid 450] close(20) = -1 EBADF (Bad file descriptor) [pid 450] close(21) = -1 EBADF (Bad file descriptor) [pid 450] close(22) = -1 EBADF (Bad file descriptor) [pid 450] close(23) = -1 EBADF (Bad file descriptor) [pid 450] close(24) = -1 EBADF (Bad file descriptor) [pid 450] close(25) = -1 EBADF (Bad file descriptor) [pid 450] close(26) = -1 EBADF (Bad file descriptor) [pid 450] close(27) = -1 EBADF (Bad file descriptor) [pid 450] close(28) = -1 EBADF (Bad file descriptor) [pid 450] close(29) = -1 EBADF (Bad file descriptor) [pid 450] exit_group(0) = ? [pid 450] +++ exited with 0 +++ [pid 408] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 408] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 30.644597][ T450] ^ [ 30.650685][ T450] ffff88811ef08b00: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc [ 30.658600][ T450] ffff88811ef08b80: fc fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.666580][ T450] ================================================================== [ 30.674465][ T450] Disabling lock debugging due to kernel taint [ 30.684811][ T408] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 30.696338][ T408] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 30.704584][ T408] CPU: 0 PID: 408 Comm: syz-executor902 Tainted: G B 5.15.80-syzkaller-00318-g72d681a01da5 #0 [ 30.716041][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 30.725932][ T408] RIP: 0010:__rb_insert_augmented+0x9b/0x670 [ 30.731745][ T408] Code: e8 6a c6 2c ff 4d 8b 27 41 f6 c4 01 0f 85 b5 05 00 00 48 89 5d a8 4c 89 75 b8 4c 89 7d d0 4d 8d 7c 24 08 4d 89 fe 49 c1 ee 03 <43> 80 3c 2e 00 74 08 4c 89 ff e8 36 c6 2c ff 49 8b 1f 48 3b 5d d0 [ 30.751378][ T408] RSP: 0018:ffffc900002ef8a0 EFLAGS: 00010202 [ 30.757288][ T408] RAX: 1ffff11020a7e133 RBX: 1ffff11023de1158 RCX: dffffc0000000000 [ 30.765090][ T408] RDX: ffffffff81a6e700 RSI: ffff88810964bdb8 RDI: ffff8881053f0998 [ 30.772904][ T408] RBP: ffffc900002ef908 R08: dffffc0000000000 R09: ffff8881053f09a0 [ 30.780715][ T408] R10: ffffed1020a7e136 R11: 1ffff11020a7e134 R12: 0000000000000000 [ 30.788700][ T408] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000008 [ 30.796512][ T408] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 30.805282][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.811698][ T408] CR2: 00007f38de1f62f0 CR3: 000000011ef07000 CR4: 00000000003506b0 [ 30.819512][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.827338][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.835305][ T408] Call Trace: [ 30.838429][ T408] [ 30.841209][ T408] ? anon_vma_interval_tree_iter_next+0x3b0/0x3b0 [ 30.847482][ T408] vma_interval_tree_insert_after+0x2cd/0x2e0 [ 30.853357][ T408] dup_mmap+0x8bd/0xea0 [ 30.857350][ T408] ? __delayed_free_task+0x20/0x20 [ 30.862298][ T408] ? mm_init+0x807/0x960 [ 30.866379][ T408] dup_mm+0x91/0x330 [ 30.870108][ T408] copy_mm+0x108/0x1b0 [ 30.874021][ T408] copy_process+0x1295/0x3250 [ 30.878531][ T408] ? pidfd_show_fdinfo+0x2b0/0x2b0 [ 30.883474][ T408] ? __kasan_check_write+0x14/0x20 [ 30.888424][ T408] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 30.893370][ T408] kernel_clone+0x22d/0x990 [ 30.897794][ T408] ? cgroup_update_frozen+0x155/0x320 [ 30.903007][ T408] ? _raw_spin_unlock_irq+0x4e/0x70 [ 30.908036][ T408] ? create_io_thread+0x1e0/0x1e0 [ 30.912895][ T408] ? ptrace_stop+0x6eb/0xa30 [ 30.917326][ T408] __x64_sys_clone+0x289/0x310 [ 30.921920][ T408] ? _raw_spin_unlock_irq+0x4e/0x70 [ 30.926957][ T408] ? __do_sys_vfork+0x130/0x130 [ 30.931645][ T408] ? fpregs_restore_userregs+0x1f0/0x3a0 [ 30.937114][ T408] ? syscall_enter_from_user_mode+0x71/0x1b0 [ 30.942927][ T408] do_syscall_64+0x44/0xd0 [ 30.947180][ T408] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 30.952908][ T408] RIP: 0033:0x7f38de17880b [ 30.957160][ T408] Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 [ 30.976599][ T408] RSP: 002b:00007ffc720965a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 30.984852][ T408] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f38de17880b [ 30.992669][ T408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 31.000475][ T408] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555556bd300 [ 31.008287][ T408] R10: 00005555556bd5d0 R11: 0000000000000246 R12: 0000000000000000 [ 31.016096][ T408] R13: 00007ffc720965f0 R14: 00007ffc720965e0 R15: 00007ffc720965c4 [ 31.023911][ T408] [ 31.026767][ T408] Modules linked in: [ 31.031226][ T408] ---[ end trace 77148609df149e96 ]--- [ 31.036542][ T408] RIP: 0010:__rb_insert_augmented+0x9b/0x670 [ 31.042304][ T408] Code: e8 6a c6 2c ff 4d 8b 27 41 f6 c4 01 0f 85 b5 05 00 00 48 89 5d a8 4c 89 75 b8 4c 89 7d d0 4d 8d 7c 24 08 4d 89 fe 49 c1 ee 03 <43> 80 3c 2e 00 74 08 4c 89 ff e8 36 c6 2c ff 49 8b 1f 48 3b 5d d0 [ 31.061939][ T408] RSP: 0018:ffffc900002ef8a0 EFLAGS: 00010202 [ 31.067887][ T408] RAX: 1ffff11020a7e133 RBX: 1ffff11023de1158 RCX: dffffc0000000000 [ 31.075687][ T408] RDX: ffffffff81a6e700 RSI: ffff88810964bdb8 RDI: ffff8881053f0998 [ 31.083515][ T408] RBP: ffffc900002ef908 R08: dffffc0000000000 R09: ffff8881053f09a0 [ 31.091285][ T408] R10: ffffed1020a7e136 R11: 1ffff11020a7e134 R12: 0000000000000000 [ 31.099154][ T408] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000008 [ 31.107034][ T408] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 31.116168][ T408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.122559][ T408] CR2: 00007f38de1f62f0 CR3: 000000011ef07000 CR4: 00000000003506b0 [ 31.130412][ T408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.138194][ T408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.146112][ T408] Kernel panic - not syncing: Fatal exception [ 31.152157][ T408] Kernel Offset: disabled [ 31.156291][ T408] Rebooting in 86400 seconds..