./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2451287291 <...> [ 3.243715][ T28] audit: type=1400 audit(1695899019.560:10): avc: denied { getattr } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 3.532324][ T101] udevd[101]: starting version 3.2.11 [ 3.556931][ T102] udevd[102]: starting eudev-3.2.11 [ 14.417851][ T28] kauditd_printk_skb: 50 callbacks suppressed [ 14.417861][ T28] audit: type=1400 audit(1695899030.750:61): avc: denied { transition } for pid=228 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.422020][ T28] audit: type=1400 audit(1695899030.750:62): avc: denied { noatsecure } for pid=228 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.426340][ T28] audit: type=1400 audit(1695899030.750:63): avc: denied { write } for pid=228 comm="sh" path="pipe:[13327]" dev="pipefs" ino=13327 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.429787][ T28] audit: type=1400 audit(1695899030.760:64): avc: denied { rlimitinh } for pid=228 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.432434][ T28] audit: type=1400 audit(1695899030.760:65): avc: denied { siginh } for pid=228 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.800192][ T231] sftp-server (231) used greatest stack depth: 22512 bytes left Warning: Permanently added '10.128.0.218' (ED25519) to the list of known hosts. execve("./syz-executor2451287291", ["./syz-executor2451287291"], 0x7ffc79daf320 /* 10 vars */) = 0 brk(NULL) = 0x555556b8f000 brk(0x555556b8fd00) = 0x555556b8fd00 arch_prctl(ARCH_SET_FS, 0x555556b8f380) = 0 set_tid_address(0x555556b8f650) = 297 set_robust_list(0x555556b8f660, 24) = 0 rseq(0x555556b8fca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2451287291", 4096) = 28 getrandom("\x65\x85\xbd\xb8\x97\x01\x7e\x0b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b8fd00 brk(0x555556bb0d00) = 0x555556bb0d00 brk(0x555556bb1000) = 0x555556bb1000 mprotect(0x7eff9a170000, 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 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b8f650) = 298 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x555556b8f660, 24) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3) = 0 [pid 298] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 298] write(3, "5", 1) = 1 [pid 298] mmap(0x20ffe000, 4098, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20ffe000 [ 23.167316][ T28] audit: type=1400 audit(1695899039.500:66): avc: denied { execmem } for pid=297 comm="syz-executor245" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.190982][ T298] FAULT_INJECTION: forcing a failure. [ 23.190982][ T298] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 23.204169][ T298] CPU: 1 PID: 298 Comm: syz-executor245 Not tainted 6.1.25-syzkaller-00052-gc240f4ed0054 #0 [ 23.214050][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 23.223934][ T298] Call Trace: [ 23.227059][ T298] [ 23.229859][ T298] dump_stack_lvl+0x151/0x1b7 [ 23.234355][ T298] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 23.239644][ T298] dump_stack+0x15/0x17 [ 23.243636][ T298] should_fail_ex+0x3d0/0x520 [ 23.248150][ T298] should_fail_alloc_page+0x68/0x90 [ 23.253189][ T298] __alloc_pages+0x1f4/0x780 [ 23.257612][ T298] ? prep_new_page+0x110/0x110 [ 23.262386][ T298] ? __this_cpu_preempt_check+0x13/0x20 [ 23.267770][ T298] __folio_alloc+0x15/0x40 [ 23.272018][ T298] wp_page_copy+0x23c/0x1610 [ 23.276448][ T298] ? __switch_to+0x62c/0x1190 [ 23.280957][ T298] ? compat_start_thread+0x20/0x20 [ 23.286051][ T298] ? fault_dirty_shared_page+0x300/0x300 [ 23.291610][ T298] do_wp_page+0xbbf/0xd80 [ 23.295914][ T298] handle_mm_fault+0x15a2/0x2f40 [ 23.300678][ T298] ? numa_migrate_prep+0xe0/0xe0 [ 23.305454][ T298] ? lock_vma_under_rcu+0x47a/0x540 [ 23.310481][ T298] ? __kasan_check_write+0x14/0x20 [ 23.315426][ T298] ? fpregs_restore_userregs+0x130/0x290 [ 23.320905][ T298] exc_page_fault+0x3a6/0x6e0 [ 23.325405][ T298] asm_exc_page_fault+0x27/0x30 [ 23.330093][ T298] RIP: 0033:0x7eff9a0d2e00 [ 23.334348][ T298] Code: 41 54 55 48 89 f5 53 89 fb 48 83 ec 18 48 83 3d ed 11 0a 00 00 89 54 24 0c 74 08 84 c9 0f 85 09 02 00 00 31 c0 ba 01 00 00 00 0f b1 15 80 3f 0a 00 0f 85 0f 02 00 00 4c 8d 25 73 3f 0a 00 4c [ 23.353874][ T298] RSP: 002b:00007ffc630504b0 EFLAGS: 00010246 [ 23.359774][ T298] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [pid 298] exit_group(0) = ? [pid 298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b8f650) = 299 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x555556b8f660, 24) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3) = 0 [pid 299] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 299] write(3, "5", 1) = 1 [pid 299] mmap(0x20ffe000, 4098, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20ffe000 [ 23.367586][ T298] RDX: 0000000000000001 RSI: 00007eff9a174108 RDI: 0000000000000000 [ 23.375398][ T298] RBP: 00007eff9a174108 R08: 00000000ffffffff R09: 0000000000000000 [ 23.383211][ T298] R10: 0000000000000032 R11: 0000000000000246 R12: 0000000000000001 [ 23.391021][ T298] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 23.399358][ T298] [ 23.403855][ T298] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 23.418409][ T299] FAULT_INJECTION: forcing a failure. [ 23.418409][ T299] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 23.431774][ T299] CPU: 0 PID: 299 Comm: syz-executor245 Not tainted 6.1.25-syzkaller-00052-gc240f4ed0054 #0 [ 23.441668][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 23.451741][ T299] Call Trace: [ 23.454950][ T299] [ 23.457719][ T299] dump_stack_lvl+0x151/0x1b7 [ 23.462316][ T299] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 23.467610][ T299] ? yield_to_task_fair+0x190/0x190 [ 23.472764][ T299] dump_stack+0x15/0x17 [ 23.476839][ T299] should_fail_ex+0x3d0/0x520 [ 23.481354][ T299] should_fail_alloc_page+0x68/0x90 [ 23.486392][ T299] __alloc_pages+0x1f4/0x780 [ 23.490811][ T299] ? prep_new_page+0x110/0x110 [ 23.495425][ T299] ? __this_cpu_preempt_check+0x13/0x20 [ 23.500795][ T299] __folio_alloc+0x15/0x40 [ 23.505045][ T299] wp_page_copy+0x23c/0x1610 [ 23.509478][ T299] ? __switch_to+0x62c/0x1190 [ 23.514000][ T299] ? compat_start_thread+0x20/0x20 [ 23.518942][ T299] ? fault_dirty_shared_page+0x300/0x300 [ 23.524399][ T299] ? native_set_ldt+0x130/0x130 [ 23.529087][ T299] do_wp_page+0xbbf/0xd80 [ 23.533258][ T299] handle_mm_fault+0x15a2/0x2f40 [ 23.538036][ T299] ? numa_migrate_prep+0xe0/0xe0 [ 23.542930][ T299] ? lock_vma_under_rcu+0x47a/0x540 [ 23.547963][ T299] ? __kasan_check_write+0x14/0x20 [ 23.552923][ T299] ? fpregs_restore_userregs+0x130/0x290 [ 23.558489][ T299] exc_page_fault+0x3a6/0x6e0 [ 23.563006][ T299] asm_exc_page_fault+0x27/0x30 [ 23.567682][ T299] RIP: 0033:0x7eff9a0d2e00 [ 23.571934][ T299] Code: 41 54 55 48 89 f5 53 89 fb 48 83 ec 18 48 83 3d ed 11 0a 00 00 89 54 24 0c 74 08 84 c9 0f 85 09 02 00 00 31 c0 ba 01 00 00 00 0f b1 15 80 3f 0a 00 0f 85 0f 02 00 00 4c 8d 25 73 3f 0a 00 4c [ 23.591377][ T299] RSP: 002b:00007ffc630504b0 EFLAGS: 00010246 [ 23.597285][ T299] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 23.605087][ T299] RDX: 0000000000000001 RSI: 00007eff9a174108 RDI: 0000000000000000 [pid 299] exit_group(0) = ? [pid 299] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b8f650) = 300 ./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x555556b8f660, 24) = 0 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 300] setpgid(0, 0) = 0 [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 300] write(3, "1000", 4) = 4 [pid 300] close(3) = 0 [pid 300] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 300] write(3, "5", 1) = 1 [pid 300] mmap(0x20ffe000, 4098, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20ffe000 [ 23.612917][ T299] RBP: 00007eff9a174108 R08: 00000000ffffffff R09: 0000000000000000 [ 23.620711][ T299] R10: 0000000000000032 R11: 0000000000000246 R12: 00007ffc6305052c [ 23.628613][ T299] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 23.636426][ T299] [ 23.640551][ T299] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 23.651558][ T300] FAULT_INJECTION: forcing a failure. [ 23.651558][ T300] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 23.664967][ T300] CPU: 0 PID: 300 Comm: syz-executor245 Not tainted 6.1.25-syzkaller-00052-gc240f4ed0054 #0 [ 23.674834][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 23.684732][ T300] Call Trace: [ 23.687852][ T300] [ 23.690627][ T300] dump_stack_lvl+0x151/0x1b7 [ 23.695141][ T300] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 23.700431][ T300] ? yield_to_task_fair+0x190/0x190 [ 23.705466][ T300] dump_stack+0x15/0x17 [ 23.709457][ T300] should_fail_ex+0x3d0/0x520 [ 23.713974][ T300] should_fail_alloc_page+0x68/0x90 [ 23.719007][ T300] __alloc_pages+0x1f4/0x780 [ 23.723432][ T300] ? prep_new_page+0x110/0x110 [ 23.728032][ T300] ? __this_cpu_preempt_check+0x13/0x20 [ 23.733414][ T300] __folio_alloc+0x15/0x40 [ 23.737666][ T300] wp_page_copy+0x23c/0x1610 [ 23.742095][ T300] ? __switch_to+0x62c/0x1190 [ 23.746606][ T300] ? compat_start_thread+0x20/0x20 [ 23.751554][ T300] ? fault_dirty_shared_page+0x300/0x300 [ 23.757021][ T300] ? native_set_ldt+0x130/0x130 [ 23.761712][ T300] do_wp_page+0xbbf/0xd80 [ 23.765873][ T300] handle_mm_fault+0x15a2/0x2f40 [ 23.770651][ T300] ? numa_migrate_prep+0xe0/0xe0 [ 23.775423][ T300] ? lock_vma_under_rcu+0x47a/0x540 [ 23.780459][ T300] ? __kasan_check_write+0x14/0x20 [ 23.785404][ T300] ? fpregs_restore_userregs+0x130/0x290 [ 23.790876][ T300] exc_page_fault+0x3a6/0x6e0 [ 23.795386][ T300] asm_exc_page_fault+0x27/0x30 [ 23.800070][ T300] RIP: 0033:0x7eff9a0d2e00 [ 23.804328][ T300] Code: 41 54 55 48 89 f5 53 89 fb 48 83 ec 18 48 83 3d ed 11 0a 00 00 89 54 24 0c 74 08 84 c9 0f 85 09 02 00 00 31 c0 ba 01 00 00 00 0f b1 15 80 3f 0a 00 0f 85 0f 02 00 00 4c 8d 25 73 3f 0a 00 4c [ 23.823766][ T300] RSP: 002b:00007ffc630504b0 EFLAGS: 00010246 [ 23.829667][ T300] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 23.837480][ T300] RDX: 0000000000000001 RSI: 00007eff9a174108 RDI: 0000000000000000 [ 23.845289][ T300] RBP: 00007eff9a174108 R08: 00000000ffffffff R09: 0000000000000000 [ 23.853103][ T300] R10: 0000000000000032 R11: 0000000000000246 R12: 00007ffc6305052c [ 23.860912][ T300] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [pid 300] exit_group(0) = ? [pid 300] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x555556b8f660, 24) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556b8f650) = 301 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 [pid 301] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 301] write(3, "5", 1) = 1 [pid 301] mmap(0x20ffe000, 4098, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20ffe000 [ 23.868820][ T300] [ 23.872970][ T300] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 23.885502][ T301] FAULT_INJECTION: forcing a failure. [ 23.885502][ T301] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 23.898793][ T301] CPU: 0 PID: 301 Comm: syz-executor245 Not tainted 6.1.25-syzkaller-00052-gc240f4ed0054 #0 [ 23.908770][ T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 23.918660][ T301] Call Trace: [ 23.921822][ T301] [ 23.924561][ T301] dump_stack_lvl+0x151/0x1b7 [ 23.929087][ T301] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 23.934373][ T301] dump_stack+0x15/0x17 [ 23.938486][ T301] should_fail_ex+0x3d0/0x520 [ 23.942994][ T301] should_fail_alloc_page+0x68/0x90 [ 23.948029][ T301] __alloc_pages+0x1f4/0x780 [ 23.952477][ T301] ? prep_new_page+0x110/0x110 [ 23.957059][ T301] ? __this_cpu_preempt_check+0x13/0x20 [ 23.962446][ T301] __folio_alloc+0x15/0x40 [ 23.966693][ T301] wp_page_copy+0x23c/0x1610 [ 23.971115][ T301] ? __switch_to+0x62c/0x1190 [ 23.975642][ T301] ? compat_start_thread+0x20/0x20 [ 23.980575][ T301] ? fault_dirty_shared_page+0x300/0x300 [ 23.986231][ T301] do_wp_page+0xbbf/0xd80 [ 23.990390][ T301] handle_mm_fault+0x15a2/0x2f40 [ 23.995168][ T301] ? numa_migrate_prep+0xe0/0xe0 [ 23.999931][ T301] ? lock_vma_under_rcu+0x47a/0x540 [ 24.004964][ T301] ? __kasan_check_write+0x14/0x20 [ 24.009913][ T301] ? fpregs_restore_userregs+0x130/0x290 [ 24.015380][ T301] exc_page_fault+0x3a6/0x6e0 [ 24.019897][ T301] asm_exc_page_fault+0x27/0x30 [ 24.024577][ T301] RIP: 0033:0x7eff9a0d2e00 [ 24.028830][ T301] Code: 41 54 55 48 89 f5 53 89 fb 48 83 ec 18 48 83 3d ed 11 0a 00 00 89 54 24 0c 74 08 84 c9 0f 85 09 02 00 00 31 c0 ba 01 00 00 00 0f b1 15 80 3f 0a 00 0f 85 0f 02 00 00 4c 8d 25 73 3f 0a 00 4c [ 24.048273][ T301] RSP: 002b:00007ffc630504b0 EFLAGS: 00010246 [ 24.054178][ T301] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 24.061987][ T301] RDX: 0000000000000001 RSI: 00007eff9a174108 RDI: 0000000000000000 [pid 301] exit_group(0) = ? [pid 301] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b8f650) = 303 ./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x555556b8f660, 24) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] setpgid(0, 0) = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "1000", 4) = 4 [pid 303] close(3) = 0 [pid 303] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 303] write(3, "5", 1) = 1 [pid 303] mmap(0x20ffe000, 4098, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20ffe000 [ 24.069798][ T301] RBP: 00007eff9a174108 R08: 00000000ffffffff R09: 0000000000000000 [ 24.077610][ T301] R10: 0000000000000032 R11: 0000000000000246 R12: 00007ffc6305052c [ 24.085425][ T301] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 24.093235][ T301] [ 24.098101][ T301] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 24.112395][ T303] FAULT_INJECTION: forcing a failure. [ 24.112395][ T303] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 24.125781][ T303] CPU: 0 PID: 303 Comm: syz-executor245 Not tainted 6.1.25-syzkaller-00052-gc240f4ed0054 #0 [ 24.135667][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 24.145559][ T303] Call Trace: [ 24.148683][ T303] [ 24.151460][ T303] dump_stack_lvl+0x151/0x1b7 [ 24.155980][ T303] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 24.161266][ T303] ? __sched_clock_gtod_offset+0x100/0x100 [ 24.166908][ T303] dump_stack+0x15/0x17 [ 24.170900][ T303] should_fail_ex+0x3d0/0x520 [ 24.175413][ T303] should_fail_alloc_page+0x68/0x90 [ 24.180448][ T303] __alloc_pages+0x1f4/0x780 [ 24.184894][ T303] ? prep_new_page+0x110/0x110 [ 24.189476][ T303] __folio_alloc+0x15/0x40 [ 24.193729][ T303] wp_page_copy+0x23c/0x1610 [ 24.198162][ T303] ? __switch_to+0x62c/0x1190 [ 24.202675][ T303] ? compat_start_thread+0x20/0x20 [ 24.207621][ T303] ? fault_dirty_shared_page+0x300/0x300 [ 24.213085][ T303] do_wp_page+0xbbf/0xd80 [ 24.217252][ T303] handle_mm_fault+0x15a2/0x2f40 [ 24.222029][ T303] ? numa_migrate_prep+0xe0/0xe0 [ 24.226797][ T303] ? lock_vma_under_rcu+0x47a/0x540 [ 24.231835][ T303] ? __kasan_check_write+0x14/0x20 [ 24.236777][ T303] ? fpregs_restore_userregs+0x130/0x290 [ 24.242245][ T303] exc_page_fault+0x3a6/0x6e0 [ 24.246761][ T303] asm_exc_page_fault+0x27/0x30 [ 24.251444][ T303] RIP: 0033:0x7eff9a0d2e00 [ 24.255708][ T303] Code: 41 54 55 48 89 f5 53 89 fb 48 83 ec 18 48 83 3d ed 11 0a 00 00 89 54 24 0c 74 08 84 c9 0f 85 09 02 00 00 31 c0 ba 01 00 00 00 0f b1 15 80 3f 0a 00 0f 85 0f 02 00 00 4c 8d 25 73 3f 0a 00 4c [ 24.275143][ T303] RSP: 002b:00007ffc630504b0 EFLAGS: 00010246 [ 24.281038][ T303] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 24.288857][ T303] RDX: 0000000000000001 RSI: 00007eff9a174108 RDI: 0000000000000000 [ 24.296663][ T303] RBP: 00007eff9a174108 R08: 00000000ffffffff R09: 0000000000000000 [ 24.304474][ T303] R10: 0000000000000032 R11: 0000000000000246 R12: 00007ffc6305052c [ 24.312285][ T303] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [pid 303] exit_group(0) = ? [pid 303] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b8f650) = 304 ./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x555556b8f660, 24) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 304] write(3, "5", 1) = 1 [ 24.320116][ T303] [ 24.323126][ T303] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 24.337576][ T304] FAULT_INJECTION: forcing a failure. [ 24.337576][ T304] name failslab, interval 1, probability 0, space 0, times 1 [ 24.350082][ T304] CPU: 0 PID: 304 Comm: syz-executor245 Not tainted 6.1.25-syzkaller-00052-gc240f4ed0054 #0 [ 24.359879][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 24.369769][ T304] Call Trace: [ 24.372890][ T304] [ 24.375689][ T304] dump_stack_lvl+0x151/0x1b7 [ 24.380181][ T304] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 24.385483][ T304] ? __kasan_check_read+0x11/0x20 [ 24.390340][ T304] ? call_rcu+0xc9f/0x1230 [ 24.394597][ T304] dump_stack+0x15/0x17 [ 24.398583][ T304] should_fail_ex+0x3d0/0x520 [ 24.403096][ T304] ? mas_alloc_nodes+0x267/0x7d0 [ 24.407866][ T304] __should_failslab+0xaf/0xf0 [ 24.412471][ T304] should_failslab+0x9/0x20 [ 24.416949][ T304] kmem_cache_alloc+0x3b/0x2c0 [ 24.421532][ T304] mas_alloc_nodes+0x267/0x7d0 [ 24.426126][ T304] mas_preallocate+0xef2/0x1bd0 [ 24.430829][ T304] ? mas_destroy+0x2cc0/0x2cc0 [ 24.435432][ T304] ? mas_prev_slot+0x88c/0x8c0 [ 24.440012][ T304] vma_expand+0x3c5/0xa20 [ 24.444186][ T304] mmap_region+0xde5/0x2390 [ 24.448605][ T304] ? file_mmap_ok+0x150/0x150 [ 24.453125][ T304] ? cap_mmap_addr+0x169/0x2e0 [ 24.457718][ T304] ? get_unmapped_area+0x31d/0x380 [ 24.462669][ T304] do_mmap+0x853/0xe30 [ 24.466596][ T304] ? mlock_future_check+0x110/0x110 [ 24.471612][ T304] ? cgroup_update_frozen+0x15f/0x980 [ 24.476815][ T304] vm_mmap_pgoff+0x208/0x430 [ 24.481238][ T304] ? account_locked_vm+0x250/0x250 [ 24.486182][ T304] ? ptrace_notify+0x249/0x350 [ 24.490784][ T304] ? do_notify_parent+0xa20/0xa20 [ 24.495644][ T304] ksys_mmap_pgoff+0xed/0x1e0 [ 24.500156][ T304] ? fpregs_restore_userregs+0x130/0x290 [ 24.505628][ T304] __x64_sys_mmap+0x103/0x120 [ 24.510140][ T304] do_syscall_64+0x3d/0xb0 [ 24.514393][ T304] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 24.520121][ T304] RIP: 0033:0x7eff9a0fccb9 [ 24.524382][ T304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 24.543814][ T304] RSP: 002b:00007ffc63050508 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 24.552058][ T304] RAX: ffffffffffffffda RBX: 00007ffc63050530 RCX: 00007eff9a0fccb9 [ 24.559872][ T304] RDX: 0000000000000000 RSI: 0000000000001002 RDI: 0000000020ffe000 [ 24.567689][ T304] RBP: 0000000000000001 R08: 00000000ffffffff R09: 0000000000000000 [ 24.575500][ T304] R10: 0000000000000032 R11: 0000000000000246 R12: 00007ffc6305052c [ 24.583307][ T304] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 24.591119][ T304] [ 24.594228][ T304] ------------[ cut here ]------------ [ 24.599550][ T304] kernel BUG at mm/mmap.c:2815! [ 24.604255][ T304] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 24.610081][ T304] CPU: 0 PID: 304 Comm: syz-executor245 Not tainted 6.1.25-syzkaller-00052-gc240f4ed0054 #0 [ 24.619980][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 24.630035][ T304] RIP: 0010:mmap_region+0x225e/0x2390 [ 24.635242][ T304] Code: 03 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 1e fc ff ff 48 89 df e8 13 51 09 00 e9 11 fc ff ff e8 29 fe c2 ff 0f 0b e8 22 fe c2 ff <0f> 0b 65 8b 05 91 2f 50 7e 41 89 c6 4c 89 f0 48 c1 e8 06 48 8d 3c [ 24.654680][ T304] RSP: 0018:ffffc90000df7a40 EFLAGS: 00010293 [ 24.660584][ T304] RAX: ffffffff81b1e1be RBX: 0000000020ffffff RCX: ffff888109545100 [ 24.668423][ T304] RDX: 0000000000000000 RSI: 0000000020ffffff RDI: 0000000021000000 [ 24.676204][ T304] RBP: ffffc90000df7c50 R08: ffffffff81b1ce01 R09: ffffffff84eb3cd3 [ 24.684014][ T304] R10: 0000000000000003 R11: ffff888109545100 R12: ffffc90000df7ba8 [ 24.691828][ T304] R13: dffffc0000000000 R14: 0000000020ffe000 R15: 0000000021000000 [ 24.699637][ T304] FS: 0000555556b8f380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.708404][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.714827][ T304] CR2: 00007eff9a15a6a4 CR3: 000000012001f000 CR4: 00000000003506b0 [ 24.722643][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.730450][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.738261][ T304] Call Trace: [ 24.741389][ T304] [ 24.744180][ T304] ? file_mmap_ok+0x150/0x150 [ 24.748676][ T304] ? cap_mmap_addr+0x169/0x2e0 [ 24.753281][ T304] ? get_unmapped_area+0x31d/0x380 [ 24.758237][ T304] do_mmap+0x853/0xe30 [ 24.762136][ T304] ? mlock_future_check+0x110/0x110 [ 24.767164][ T304] ? cgroup_update_frozen+0x15f/0x980 [ 24.772373][ T304] vm_mmap_pgoff+0x208/0x430 [ 24.776799][ T304] ? account_locked_vm+0x250/0x250 [ 24.781755][ T304] ? ptrace_notify+0x249/0x350 [ 24.786345][ T304] ? do_notify_parent+0xa20/0xa20 [ 24.791208][ T304] ksys_mmap_pgoff+0xed/0x1e0 [ 24.795719][ T304] ? fpregs_restore_userregs+0x130/0x290 [ 24.801186][ T304] __x64_sys_mmap+0x103/0x120 [ 24.805701][ T304] do_syscall_64+0x3d/0xb0 [ 24.809952][ T304] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 24.815679][ T304] RIP: 0033:0x7eff9a0fccb9 [ 24.819936][ T304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 24.839377][ T304] RSP: 002b:00007ffc63050508 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 24.847621][ T304] RAX: ffffffffffffffda RBX: 00007ffc63050530 RCX: 00007eff9a0fccb9 [ 24.855431][ T304] RDX: 0000000000000000 RSI: 0000000000001002 RDI: 0000000020ffe000 [ 24.863244][ T304] RBP: 0000000000000001 R08: 00000000ffffffff R09: 0000000000000000 [ 24.871056][ T304] R10: 0000000000000032 R11: 0000000000000246 R12: 00007ffc6305052c [ 24.878866][ T304] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 24.886768][ T304] [ 24.889633][ T304] Modules linked in: [ 24.894992][ T304] ---[ end trace 0000000000000000 ]--- [ 24.900306][ T304] RIP: 0010:mmap_region+0x225e/0x2390 [ 24.905457][ T304] Code: 03 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 1e fc ff ff 48 89 df e8 13 51 09 00 e9 11 fc ff ff e8 29 fe c2 ff 0f 0b e8 22 fe c2 ff <0f> 0b 65 8b 05 91 2f 50 7e 41 89 c6 4c 89 f0 48 c1 e8 06 48 8d 3c [ 24.925158][ T304] RSP: 0018:ffffc90000df7a40 EFLAGS: 00010293 [ 24.931203][ T304] RAX: ffffffff81b1e1be RBX: 0000000020ffffff RCX: ffff888109545100 [ 24.939110][ T304] RDX: 0000000000000000 RSI: 0000000020ffffff RDI: 0000000021000000 [ 24.946917][ T304] RBP: ffffc90000df7c50 R08: ffffffff81b1ce01 R09: ffffffff84eb3cd3 [ 24.954605][ T304] R10: 0000000000000003 R11: ffff888109545100 R12: ffffc90000df7ba8 [ 24.962599][ T304] R13: dffffc0000000000 R14: 0000000020ffe000 R15: 0000000021000000 [ 24.970500][ T304] FS: 0000555556b8f380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.979300][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.985562][ T304] CR2: 00007eff9a15a6a4 CR3: 000000012001f000 CR4: 00000000003506b0 [ 24.993547][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.001462][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.009353][ T304] Kernel panic - not syncing: Fatal exception [ 25.015362][ T304] Kernel Offset: disabled [ 25.019489][ T304] Rebooting in 86400 seconds..