ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor3729116342 <...> Warning: Permanently added '10.128.1.128' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor3729116342", ["ci2-android-6-12-rust/syz-executor3729116342"], 0x7ffcf4c40b60 /* 10 vars */) = 0 brk(NULL) = 0x55555ce5e000 brk(0x55555ce5ed40) = 0x55555ce5ed40 arch_prctl(ARCH_SET_FS, 0x55555ce5e3c0) = 0 set_tid_address(0x55555ce5e690) = 312 set_robust_list(0x55555ce5e6a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-12-rust/syz-executor3729116342", 4096) = 50 getrandom("\xf3\xc4\x5a\x1f\xe8\xac\x8f\xc6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555ce5ed40 brk(0x55555ce7fd40) = 0x55555ce7fd40 brk(0x55555ce80000) = 0x55555ce80000 mprotect(0x7f2576d2d000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 getrandom("\x2e\x24\x3d\xaf\xcd\xa0\x24\xf3", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.Y41J5f", 0700) = 0 chmod("./syzkaller.Y41J5f", 0777) = 0 chdir("./syzkaller.Y41J5f") = 0 unshare(CLONE_NEWPID) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 313 attached , child_tidptr=0x55555ce5e690) = 313 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 313] set_robust_list(0x55555ce5e6a0, 24 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] getppid() = 0 [pid 313] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 313] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 313] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 313] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 313] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 313] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 313] unshare(CLONE_NEWNS) = 0 [pid 313] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 313] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 313] unshare(CLONE_NEWCGROUP) = 0 [pid 313] unshare(CLONE_NEWUTS) = 0 [pid 313] unshare(CLONE_SYSVSEM) = 0 [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 313] getpid() = 1 [pid 313] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 314] set_robust_list(0x55555ce5e6a0, 24 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 314] <... set_robust_list resumed>) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] chdir("./0") = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 24.480024][ T36] audit: type=1400 audit(1788700846.019:64): avc: denied { execmem } for pid=312 comm="syz-executor372" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.499810][ T36] audit: type=1400 audit(1788700846.029:65): avc: denied { mounton } for pid=313 comm="syz-executor372" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 314] symlink("/dev/binderfs", "./binderfs") = 0 [pid 314] write(1, "executing program\n", 18) = 18 executing program [pid 314] mkdir("./bus", 0476) = 0 [pid 314] mount(".", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_SILENT, NULL) = 0 [pid 314] close(3) = -1 EBADF (Bad file descriptor) [pid 314] close(4) = -1 EBADF (Bad file descriptor) [pid 314] close(5) = -1 EBADF (Bad file descriptor) [pid 314] close(6) = -1 EBADF (Bad file descriptor) [pid 314] close(7) = -1 EBADF (Bad file descriptor) [pid 314] close(8) = -1 EBADF (Bad file descriptor) [pid 314] close(9) = -1 EBADF (Bad file descriptor) [pid 314] close(10) = -1 EBADF (Bad file descriptor) [pid 314] close(11) = -1 EBADF (Bad file descriptor) [pid 314] close(12) = -1 EBADF (Bad file descriptor) [pid 314] close(13) = -1 EBADF (Bad file descriptor) [pid 314] close(14) = -1 EBADF (Bad file descriptor) [pid 314] close(15) = -1 EBADF (Bad file descriptor) [pid 314] close(16) = -1 EBADF (Bad file descriptor) [pid 314] close(17) = -1 EBADF (Bad file descriptor) [pid 314] close(18) = -1 EBADF (Bad file descriptor) [pid 314] close(19) = -1 EBADF (Bad file descriptor) [pid 314] close(20) = -1 EBADF (Bad file descriptor) [pid 314] close(21) = -1 EBADF (Bad file descriptor) [pid 314] close(22) = -1 EBADF (Bad file descriptor) [pid 314] close(23) = -1 EBADF (Bad file descriptor) [pid 314] close(24) = -1 EBADF (Bad file descriptor) [pid 314] close(25) = -1 EBADF (Bad file descriptor) [pid 314] close(26) = -1 EBADF (Bad file descriptor) [pid 314] close(27) = -1 EBADF (Bad file descriptor) [pid 314] close(28) = -1 EBADF (Bad file descriptor) [pid 314] close(29) = -1 EBADF (Bad file descriptor) [pid 314] exit_group(0) = ? [pid 314] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 313] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 313] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 313] getdents64(3, 0x55555ce5f760 /* 6 entries */, 32768) = 168 [pid 313] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 313] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] getdents64(4, 0x55555ce677a0 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4, 0x55555ce677a0 /* 0 entries */, 32768) = 0 [pid 313] close(4) = 0 [pid 313] rmdir("./0/.incomplete") = 0 [pid 313] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 313] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] getdents64(4, 0x55555ce677a0 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4, 0x55555ce677a0 /* 0 entries */, 32768) = 0 [pid 313] close(4) = 0 [pid 313] rmdir("./0/.index") = 0 [ 24.521762][ T36] audit: type=1400 audit(1788700846.039:66): avc: denied { mounton } for pid=313 comm="syz-executor372" path="/root/syzkaller.Y41J5f/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.530762][ T314] incfs: ino conflict with backing FS 9 [ 24.546738][ T36] audit: type=1400 audit(1788700846.039:67): avc: denied { mount } for pid=313 comm="syz-executor372" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 24.573863][ T313] ------------[ cut here ]------------ [ 24.574659][ T36] audit: type=1400 audit(1788700846.049:68): avc: denied { mounton } for pid=313 comm="syz-executor372" path="/root/syzkaller.Y41J5f/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 24.579327][ T313] WARNING: CPU: 1 PID: 313 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 24.604618][ T36] audit: type=1400 audit(1788700846.049:69): avc: denied { mount } for pid=313 comm="syz-executor372" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 24.612495][ T313] Modules linked in: [ 24.634601][ T36] audit: type=1400 audit(1788700846.049:70): avc: denied { mounton } for pid=313 comm="syz-executor372" path="/root/syzkaller.Y41J5f/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 24.638239][ T313] CPU: 1 UID: 0 PID: 313 Comm: syz-executor372 Not tainted syzkaller #0 1f46b48b3a0ef7537d643c2c4b1d5e30032b8167 [ 24.664964][ T36] audit: type=1400 audit(1788700846.049:71): avc: denied { mounton } for pid=313 comm="syz-executor372" path="/root/syzkaller.Y41J5f/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=1920 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 24.676739][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.704286][ T36] audit: type=1400 audit(1788700846.049:72): avc: denied { unmount } for pid=313 comm="syz-executor372" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 24.714211][ T313] RIP: 0010:drop_nlink+0xce/0x110 [ 24.734098][ T36] audit: type=1400 audit(1788700846.069:73): avc: denied { mounton } for pid=313 comm="syz-executor372" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 24.738804][ T313] Code: 04 00 00 be 08 00 00 00 e8 4f 12 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c8 0e b5 03 cc e8 c2 34 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 24.781232][ T313] RSP: 0018:ffffc9000126fb48 EFLAGS: 00010293 [ 24.787323][ T313] RAX: ffffffff81f2429e RBX: ffff888105bb3bf0 RCX: ffff88812255b900 [ 24.795302][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.803272][ T313] RBP: ffffc9000126fb70 R08: 0000000000000003 R09: 0000000000000004 [ 24.811234][ T313] R10: dffffc0000000000 R11: fffff5200024df58 R12: dffffc0000000000 [ 24.819206][ T313] R13: 1ffff11020b76787 R14: ffff888105bb3c38 R15: 0000000000000000 [ 24.827184][ T313] FS: 000055555ce5e3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.836114][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.842703][ T313] CR2: 000055555ce6f7a8 CR3: 00000001023b2000 CR4: 00000000003526b0 [ 24.850671][ T313] Call Trace: [ 24.853946][ T313] [ 24.856869][ T313] shmem_rmdir+0x5f/0x90 [ 24.861098][ T313] vfs_rmdir+0x3de/0x560 [ 24.865343][ T313] incfs_kill_sb+0x102/0x220 [ 24.869934][ T313] deactivate_locked_super+0xd5/0x270 [ 24.875309][ T313] deactivate_super+0xb8/0xe0 [ 24.879988][ T313] cleanup_mnt+0x438/0x4d0 [ 24.884423][ T313] __cleanup_mnt+0x1d/0x40 [ 24.888838][ T313] task_work_run+0x1e5/0x260 [ 24.893445][ T313] ? __cfi_task_work_run+0x10/0x10 [ 24.898556][ T313] ? path_umount+0x34a/0xf60 [ 24.903166][ T313] ptrace_notify+0x25a/0x290 [ 24.907773][ T313] ? __cfi_ptrace_notify+0x10/0x10 [ 24.912902][ T313] ? putname+0x113/0x150 [ 24.917147][ T313] ? __x64_sys_umount+0x12e/0x180 [ 24.922146][ T313] ? __cfi___x64_sys_umount+0x10/0x10 [ 24.927531][ T313] syscall_exit_work+0x84/0x150 [ 24.932393][ T313] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 24.938544][ T313] syscall_exit_to_user_mode+0x15/0xb0 [ 24.944001][ T313] do_syscall_64+0x63/0xf0 [ 24.948421][ T313] ? clear_bhb_loop+0x50/0xa0 [ 24.953105][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.958994][ T313] RIP: 0033:0x7f2576c9a527 [ 24.963414][ T313] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8 [ 24.983031][ T313] RSP: 002b:00007ffc3da80f48 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 24.991434][ T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2576c9a527 [ 24.999517][ T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc3da81000 [ 25.007500][ T313] RBP: 00007ffc3da81000 R08: 00007ffc3da82000 R09: 00000000ffffffff [ 25.015470][ T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc3da82070 [ 25.023450][ T313] R13: 000055555ce5f730 R14: 00007ffc3da82070 R15: 0000000000000001 [ 25.031404][ T313] [ 25.034420][ T313] ---[ end trace 0000000000000000 ]--- [ 25.039893][ T313] ================================================================== [ 25.047934][ T313] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 25.054155][ T313] Write of size 4 at addr 0000000000000168 by task syz-executor372/313 [ 25.062362][ T313] [ 25.064664][ T313] CPU: 1 UID: 0 PID: 313 Comm: syz-executor372 Tainted: G W syzkaller #0 1f46b48b3a0ef7537d643c2c4b1d5e30032b8167 [ 25.064681][ T313] Tainted: [W]=WARN [ 25.064685][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 25.064691][ T313] Call Trace: [ 25.064696][ T313] [ 25.064700][ T313] __dump_stack+0x21/0x30 [ 25.064716][ T313] dump_stack_lvl+0x140/0x1c0 [ 25.064731][ T313] ? __cfi_dump_stack_lvl+0x10/0x10 [ 25.064746][ T313] print_report+0x3d/0x70 [ 25.064760][ T313] kasan_report+0x162/0x1a0 [ 25.064774][ T313] ? ihold+0x24/0x70 [ 25.064786][ T313] ? ihold+0x24/0x70 [ 25.064798][ T313] kasan_check_range+0x25a/0x2b0 [ 25.064812][ T313] __kasan_check_write+0x18/0x20 [ 25.064823][ T313] ihold+0x24/0x70 [ 25.064835][ T313] vfs_rmdir+0x25c/0x560 [ 25.064849][ T313] incfs_kill_sb+0x102/0x220 [ 25.064861][ T313] deactivate_locked_super+0xd5/0x270 [ 25.064876][ T313] deactivate_super+0xb8/0xe0 [ 25.064891][ T313] cleanup_mnt+0x438/0x4d0 [ 25.064904][ T313] __cleanup_mnt+0x1d/0x40 [ 25.064916][ T313] task_work_run+0x1e5/0x260 [ 25.064930][ T313] ? __cfi_task_work_run+0x10/0x10 [ 25.064943][ T313] ? path_umount+0x34a/0xf60 [ 25.064953][ T313] ptrace_notify+0x25a/0x290 [ 25.064967][ T313] ? __cfi_ptrace_notify+0x10/0x10 [ 25.064980][ T313] ? putname+0x113/0x150 [ 25.064992][ T313] ? __x64_sys_umount+0x12e/0x180 [ 25.065001][ T313] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.065011][ T313] syscall_exit_work+0x84/0x150 [ 25.065021][ T313] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 25.065031][ T313] syscall_exit_to_user_mode+0x15/0xb0 [ 25.065045][ T313] do_syscall_64+0x63/0xf0 [ 25.065060][ T313] ? clear_bhb_loop+0x50/0xa0 [ 25.065072][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.065083][ T313] RIP: 0033:0x7f2576c9a527 [ 25.065093][ T313] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8 [ 25.065102][ T313] RSP: 002b:00007ffc3da80f48 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 25.065114][ T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2576c9a527 [ 25.065121][ T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc3da81000 [ 25.065128][ T313] RBP: 00007ffc3da81000 R08: 00007ffc3da82000 R09: 00000000ffffffff [ 25.065136][ T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc3da82070 [ 25.065143][ T313] R13: 000055555ce5f730 R14: 00007ffc3da82070 R15: 0000000000000001 [ 25.065151][ T313] [ 25.065155][ T313] ================================================================== [ 25.322654][ T313] Disabling lock debugging due to kernel taint [ 25.328817][ T313] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 25.336598][ T313] #PF: supervisor write access in kernel mode [ 25.342638][ T313] #PF: error_code(0x0002) - not-present page [ 25.348588][ T313] PGD 0 P4D 0 [ 25.351944][ T313] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 25.357985][ T313] CPU: 1 UID: 0 PID: 313 Comm: syz-executor372 Tainted: G B W syzkaller #0 1f46b48b3a0ef7537d643c2c4b1d5e30032b8167 [ 25.371322][ T313] Tainted: [B]=BAD_PAGE, [W]=WARN [ 25.376314][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 25.386340][ T313] RIP: 0010:ihold+0x2a/0x70 [ 25.390835][ T313] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 ad 2b 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 0c 09 ee ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 bd [ 25.410450][ T313] RSP: 0018:ffffc9000126fb88 EFLAGS: 00010246 [ 25.416497][ T313] RAX: ffff88812255b900 RBX: 0000000000000000 RCX: ffff88812255b900 [ 25.424457][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.432412][ T313] RBP: ffffc9000126fb98 R08: ffffffff88bb8947 R09: 1ffffffff1177128 [ 25.440358][ T313] R10: dffffc0000000000 R11: fffffbfff1177129 R12: 0000000000000000 [ 25.448311][ T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 25.456259][ T313] FS: 000055555ce5e3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 25.465176][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.471734][ T313] CR2: 0000000000000168 CR3: 00000001023b2000 CR4: 00000000003526b0 [ 25.479684][ T313] Call Trace: [ 25.482940][ T313] [ 25.485875][ T313] vfs_rmdir+0x25c/0x560 [ 25.490105][ T313] incfs_kill_sb+0x102/0x220 [ 25.494674][ T313] deactivate_locked_super+0xd5/0x270 [ 25.500027][ T313] deactivate_super+0xb8/0xe0 [ 25.504680][ T313] cleanup_mnt+0x438/0x4d0 [ 25.509074][ T313] __cleanup_mnt+0x1d/0x40 [ 25.513469][ T313] task_work_run+0x1e5/0x260 [ 25.518036][ T313] ? __cfi_task_work_run+0x10/0x10 [ 25.523121][ T313] ? path_umount+0x34a/0xf60 [ 25.527684][ T313] ptrace_notify+0x25a/0x290 [ 25.532252][ T313] ? __cfi_ptrace_notify+0x10/0x10 [ 25.537339][ T313] ? putname+0x113/0x150 [ 25.541556][ T313] ? __x64_sys_umount+0x12e/0x180 [ 25.546567][ T313] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.551914][ T313] syscall_exit_work+0x84/0x150 [ 25.556736][ T313] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 25.562863][ T313] syscall_exit_to_user_mode+0x15/0xb0 [ 25.568302][ T313] do_syscall_64+0x63/0xf0 [ 25.572697][ T313] ? clear_bhb_loop+0x50/0xa0 [ 25.577346][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.583225][ T313] RIP: 0033:0x7f2576c9a527 [ 25.587616][ T313] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8 [ 25.607196][ T313] RSP: 002b:00007ffc3da80f48 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 25.615671][ T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2576c9a527 [ 25.623614][ T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc3da81000 [ 25.631561][ T313] RBP: 00007ffc3da81000 R08: 00007ffc3da82000 R09: 00000000ffffffff [ 25.639525][ T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc3da82070 [ 25.647489][ T313] R13: 000055555ce5f730 R14: 00007ffc3da82070 R15: 0000000000000001 [ 25.655438][ T313] [ 25.658432][ T313] Modules linked in: [ 25.662312][ T313] CR2: 0000000000000168 [ 25.666457][ T313] ---[ end trace 0000000000000000 ]--- [ 25.671886][ T313] RIP: 0010:ihold+0x2a/0x70 [ 25.676369][ T313] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 ad 2b 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 0c 09 ee ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 bd [ 25.695950][ T313] RSP: 0018:ffffc9000126fb88 EFLAGS: 00010246 [ 25.702005][ T313] RAX: ffff88812255b900 RBX: 0000000000000000 RCX: ffff88812255b900 [ 25.709950][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.717896][ T313] RBP: ffffc9000126fb98 R08: ffffffff88bb8947 R09: 1ffffffff1177128 [ 25.725840][ T313] R10: dffffc0000000000 R11: fffffbfff1177129 R12: 0000000000000000 [ 25.733784][ T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 25.741730][ T313] FS: 000055555ce5e3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 25.750636][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.757190][ T313] CR2: 0000000000000168 CR3: 00000001023b2000 CR4: 00000000003526b0 [ 25.765138][ T313] Kernel panic - not syncing: Fatal exception [ 25.771455][ T313] Kernel Offset: disabled [ 25.775762][ T313] Rebooting in 86400 seconds..