./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1335033300 <...> Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts. execve("./syz-executor1335033300", ["./syz-executor1335033300"], 0x7ffdadab1f00 /* 10 vars */) = 0 brk(NULL) = 0x55555d6a3000 brk(0x55555d6a3e00) = 0x55555d6a3e00 arch_prctl(ARCH_SET_FS, 0x55555d6a3480) = 0 set_tid_address(0x55555d6a3750) = 288 set_robust_list(0x55555d6a3760, 24) = 0 rseq(0x55555d6a3da0, 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-executor1335033300", 4096) = 28 getrandom("\x92\x89\x46\x72\x14\x3a\x0e\x7c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555d6a3e00 brk(0x55555d6c4e00) = 0x55555d6c4e00 brk(0x55555d6c5000) = 0x55555d6c5000 mprotect(0x7fc2e4c63000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d6a3750) = 289 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 289 attached [pid 288] write(3, "1", 1 [pid 289] set_robust_list(0x55555d6a3760, 24 [pid 288] <... write resumed>) = 1 [pid 289] <... set_robust_list resumed>) = 0 [pid 288] close(3) = 0 [pid 288] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 288] write(3, "1", 1) = 1 [pid 288] close(3) = 0 [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 288] write(3, "0", 1) = 1 [pid 288] close(3) = 0 [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 288] write(3, "289", 3) = 3 [pid 288] close(3) = 0 [pid 288] kill(289, SIGKILL) = 0 [pid 289] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=289, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fc2e4bb9890, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc2e4bc1900}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fc2e4bb9890, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc2e4bc1900}, NULL, 8) = 0 mkdir("./syzkaller.k8ZqcP", 0700) = 0 chmod("./syzkaller.k8ZqcP", 0777) = 0 chdir("./syzkaller.k8ZqcP") = 0 write(1, "executing program\n", 18executing program ) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc2dc7af000 write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 munmap(0x7fc2dc7af000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 [ 22.975304][ T24] audit: type=1400 audit(1737309042.660:66): avc: denied { execmem } for pid=288 comm="syz-executor133" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 close(4) = 0 mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 23.007433][ T24] audit: type=1400 audit(1737309042.700:67): avc: denied { read write } for pid=288 comm="syz-executor133" name="loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.031486][ T24] audit: type=1400 audit(1737309042.700:68): avc: denied { open } for pid=288 comm="syz-executor133" path="/dev/loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.055376][ T24] audit: type=1400 audit(1737309042.710:69): avc: denied { ioctl } for pid=288 comm="syz-executor133" path="/dev/loop0" dev="devtmpfs" ino=111 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.082577][ T24] audit: type=1400 audit(1737309042.780:70): avc: denied { mounton } for pid=288 comm="syz-executor133" path="/root/syzkaller.k8ZqcP/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.189418][ T288] EXT4-fs (loop0): Ignoring removed mblk_io_submit option [ 23.196436][ T288] EXT4-fs (loop0): mounting ext3 file system using the ext4 subsystem [ 23.204952][ T288] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=b002c118, mo2=0002] [ 23.212723][ T288] System zones: 1-12 [ 23.217577][ T288] EXT4-fs error (device loop0): ext4_xattr_ibody_find:2210: inode #15: comm syz-executor133: corrupted in-inode xattr mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "ext3", MS_MGC_VAL|MS_NOSUID|MS_NODEV|MS_NOEXEC, "jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000"...) = 0 openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 mkdir("./bus", 0777) = 0 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 4 open(".", O_RDONLY) = 5 mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 6 lseek(5, 2047, SEEK_CUR) = 2047 [ 23.229929][ T288] EXT4-fs error (device loop0): ext4_orphan_get:1400: comm syz-executor133: couldn't read orphan inode 15 (err -117) [ 23.242138][ T288] EXT4-fs (loop0): mounted filesystem without journal. Opts: jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000000000000601,debug,,errors=continue [ 23.261326][ T24] audit: type=1400 audit(1737309042.960:71): avc: denied { mount } for pid=288 comm="syz-executor133" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 23.276092][ T288] EXT4-fs warning (device loop0): dx_probe:806: inode #2: comm syz-executor133: Unrecognised inode hash code 4 [ 23.288999][ T24] audit: type=1400 audit(1737309042.960:72): avc: denied { write } for pid=288 comm="syz-executor133" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 23.294638][ T288] EXT4-fs warning (device loop0): dx_probe:946: inode #2: comm syz-executor133: Corrupt directory, running e2fsck is recommended [ 23.316118][ T24] audit: type=1400 audit(1737309042.960:73): avc: denied { add_name } for pid=288 comm="syz-executor133" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 23.329434][ T288] ================================================================== [ 23.349963][ T24] audit: type=1400 audit(1737309042.960:74): avc: denied { create } for pid=288 comm="syz-executor133" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=dir permissive=1 [ 23.357572][ T288] BUG: KASAN: use-after-free in __ext4_check_dir_entry+0x700/0x880 [ 23.357589][ T288] Read of size 2 at addr ffff88812138c003 by task syz-executor133/288 [ 23.377570][ T24] audit: type=1400 audit(1737309042.960:75): avc: denied { create } for pid=288 comm="syz-executor133" name="file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 23.385229][ T288] [ 23.437224][ T288] CPU: 0 PID: 288 Comm: syz-executor133 Not tainted 5.10.233-syzkaller-00881-gfbe98d68b6b3 #0 [ 23.447281][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 23.457194][ T288] Call Trace: [ 23.460393][ T288] dump_stack_lvl+0x1e2/0x24b [ 23.464914][ T288] ? printk+0xd1/0x111 [ 23.468811][ T288] ? bfq_pos_tree_add_move+0x43b/0x43b [ 23.474126][ T288] ? wake_up_klogd+0xb8/0xf0 [ 23.478528][ T288] ? panic+0x812/0x812 [ 23.482433][ T288] ? __getblk_gfp+0x3d/0x7e0 [ 23.486873][ T288] print_address_description+0x81/0x3b0 [ 23.492243][ T288] kasan_report+0x179/0x1c0 [ 23.496584][ T288] ? __ext4_check_dir_entry+0x700/0x880 [ 23.501963][ T288] ? __ext4_check_dir_entry+0x700/0x880 [ 23.507347][ T288] __asan_report_load2_noabort+0x14/0x20 [ 23.512817][ T288] __ext4_check_dir_entry+0x700/0x880 [ 23.518021][ T288] ext4_readdir+0x1402/0x37c0 [ 23.522543][ T288] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.527580][ T288] ? __switch_to_asm+0x34/0x60 [ 23.532169][ T288] ? ext4_dir_llseek+0x4c0/0x4c0 [ 23.536948][ T288] ? __schedule+0xbee/0x1330 [ 23.541369][ T288] ? __kasan_check_write+0x14/0x20 [ 23.546333][ T288] ? down_read_interruptible+0x220/0x220 [ 23.551782][ T288] ? security_file_permission+0x86/0xb0 [ 23.557202][ T288] iterate_dir+0x265/0x580 [ 23.561413][ T288] ? ext4_dir_llseek+0x4c0/0x4c0 [ 23.566191][ T288] __se_sys_getdents64+0x1c1/0x460 [ 23.571135][ T288] ? __x64_sys_getdents64+0x90/0x90 [ 23.576172][ T288] ? filldir+0x680/0x680 [ 23.580261][ T288] ? fpu__clear_all+0x20/0x20 [ 23.584763][ T288] __x64_sys_getdents64+0x7b/0x90 [ 23.589623][ T288] do_syscall_64+0x34/0x70 [ 23.593876][ T288] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 23.599604][ T288] RIP: 0033:0x7fc2e4bee979 [ 23.603876][ T288] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 23.623382][ T288] RSP: 002b:00007ffe6301ead8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 23.631645][ T288] RAX: ffffffffffffffda RBX: 00007ffe6301eba0 RCX: 00007fc2e4bee979 [ 23.639439][ T288] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000005 [ 23.647250][ T288] RBP: 00007ffe6301eba8 R08: 00007fc2e4c38160 R09: 00007fc2e4c38160 [ 23.655062][ T288] R10: 00007fc2e4c38160 R11: 0000000000000246 R12: 0000000000000000 [ 23.662873][ T288] R13: 00007ffe6301ee48 R14: 0000000000000001 R15: 0000000000000001 [ 23.670772][ T288] [ 23.672937][ T288] The buggy address belongs to the page: [ 23.678425][ T288] page:ffffea000484e300 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x12138c [ 23.688477][ T288] flags: 0x4000000000000000() [ 23.692997][ T288] raw: 4000000000000000 ffffea000484e348 ffff8881f705ab70 0000000000000000 [ 23.701411][ T288] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 23.709830][ T288] page dumped because: kasan: bad access detected [ 23.716080][ T288] page_owner tracks the page as freed [ 23.721290][ T288] page last allocated via order 0, migratetype Movable, gfp_mask 0x8100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO|0x8000000), pid 260, ts 17293169764, free_ts 17299501245 [ 23.737439][ T288] prep_new_page+0x166/0x180 [ 23.742317][ T288] get_page_from_freelist+0x2d8c/0x2f30 [ 23.747672][ T288] __alloc_pages_nodemask+0x435/0xaf0 [ 23.752882][ T288] handle_pte_fault+0x175a/0x3e10 [ 23.757736][ T288] handle_mm_fault+0x11d6/0x1a10 [ 23.762510][ T288] exc_page_fault+0x2a6/0x5b0 [ 23.767023][ T288] asm_exc_page_fault+0x1e/0x30 [ 23.771704][ T288] page last free stack trace: [ 23.776228][ T288] free_unref_page_prepare+0x2ae/0x2d0 [ 23.781520][ T288] free_unref_page_list+0x122/0xb20 [ 23.786553][ T288] release_pages+0xea0/0xef0 [ 23.790980][ T288] free_pages_and_swap_cache+0x8a/0xa0 [ 23.796275][ T288] tlb_finish_mmu+0x177/0x320 [ 23.800790][ T288] unmap_region+0x31c/0x370 [ 23.805124][ T288] __do_munmap+0x699/0x8c0 [ 23.809380][ T288] __se_sys_brk+0x3cf/0x730 [ 23.813719][ T288] __x64_sys_brk+0x38/0x40 [ 23.817973][ T288] do_syscall_64+0x34/0x70 [ 23.822221][ T288] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 23.827945][ T288] [ 23.830117][ T288] Memory state around the buggy address: [ 23.835593][ T288] ffff88812138bf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.843488][ T288] ffff88812138bf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.851385][ T288] >ffff88812138c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 23.859277][ T288] ^ [ 23.863187][ T288] ffff88812138c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 23.871085][ T288] ffff88812138c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 23.878980][ T288] ================================================================== [ 23.886970][ T288] Disabling lock debugging due to kernel taint getdents64(5, NULL, 16) = -1 EINVAL (Invalid argument) exit_group(0) = ? +++ exited with 0 +++