ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor3959573529 <...> [ 14.551892][ T36] audit: type=1400 audit(1788904153.020:62): avc: denied { rlimitinh } for pid=232 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.554453][ T36] audit: type=1400 audit(1788904153.020:63): avc: denied { siginh } for pid=232 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor3959573529", ["ci2-android-6-12-rust/syz-executor3959573529"], 0x7ffe0fa4c300 /* 10 vars */) = 0 brk(NULL) = 0x555562b7a000 brk(0x555562b7ad40) = 0x555562b7ad40 arch_prctl(ARCH_SET_FS, 0x555562b7a3c0) = 0 set_tid_address(0x555562b7a690) = 312 set_robust_list(0x555562b7a6a0, 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-executor3959573529", 4096) = 50 getrandom("\x84\x30\x27\xc1\x4f\xa2\x9b\xde", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555562b7ad40 brk(0x555562b9bd40) = 0x555562b9bd40 brk(0x555562b9c000) = 0x555562b9c000 mprotect(0x7f129e3c4000, 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("\xe8\xa9\x0b\x50\x7e\x8d\x3d\x26", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.IlXP2u", 0700) = 0 chmod("./syzkaller.IlXP2u", 0777) = 0 chdir("./syzkaller.IlXP2u") = 0 unshare(CLONE_NEWPID) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562b7a690) = 313 ci2-android-6-12-rust/strace-static-x86_64: Process 313 attached [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 313] set_robust_list(0x555562b7a6a0, 24) = 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(0x555562b7a6a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] chdir("./0" [pid 313] <... clone resumed>, child_tidptr=0x555562b7a690) = 2 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 314] <... chdir resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 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 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 314] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 314] write(1, "executing program\n", 18) = 18 [pid 314] mkdir("./bus", 000) = 0 [pid 314] mount(".", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_I_VERSION|MS_STRICTATIME, 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) [ 24.248317][ T36] audit: type=1400 audit(1788904162.720:66): avc: denied { mounton } for pid=313 comm="syz-executor395" path="/root/syzkaller.IlXP2u/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.272784][ T36] audit: type=1400 audit(1788904162.720:67): avc: denied { mount } for pid=313 comm="syz-executor395" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 24.285053][ T314] incfs: ino conflict with backing FS 9 [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=1 /* 0.01 s */} --- [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, 0x555562b7b760 /* 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, 0x555562b837a0 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4, 0x555562b837a0 /* 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, 0x555562b837a0 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4, 0x555562b837a0 /* 0 entries */, 32768) = 0 [pid 313] close(4) = 0 [pid 313] rmdir("./0/.index") = 0 [ 24.295174][ T36] audit: type=1400 audit(1788904162.720:68): avc: denied { mounton } for pid=313 comm="syz-executor395" path="/root/syzkaller.IlXP2u/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 [ 24.325899][ T36] audit: type=1400 audit(1788904162.720:69): avc: denied { mount } for pid=313 comm="syz-executor395" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 24.347884][ T36] audit: type=1400 audit(1788904162.730:70): avc: denied { mounton } for pid=313 comm="syz-executor395" path="/root/syzkaller.IlXP2u/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 [ 24.348101][ T313] ------------[ cut here ]------------ [ 24.374572][ T36] audit: type=1400 audit(1788904162.730:71): avc: denied { mounton } for pid=313 comm="syz-executor395" path="/root/syzkaller.IlXP2u/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=2437 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 24.380052][ T313] WARNING: CPU: 1 PID: 313 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 24.408121][ T36] audit: type=1400 audit(1788904162.730:72): avc: denied { unmount } for pid=313 comm="syz-executor395" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 24.415642][ T313] Modules linked in: [ 24.435522][ T36] audit: type=1400 audit(1788904162.750:73): avc: denied { mounton } for pid=313 comm="syz-executor395" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 24.439166][ T313] CPU: 1 UID: 0 PID: 313 Comm: syz-executor395 Not tainted syzkaller #0 6f2d7458894aba4127f3ede48a844fbc689668cc [ 24.473882][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.483969][ T313] RIP: 0010:drop_nlink+0xce/0x110 [ 24.489007][ 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 [ 24.508662][ T313] RSP: 0018:ffffc9000129fb48 EFLAGS: 00010293 [ 24.514770][ T313] RAX: ffffffff81f2429e RBX: ffff888108711308 RCX: ffff8881083db900 [ 24.522754][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.530762][ T313] RBP: ffffc9000129fb70 R08: 0000000000000003 R09: 0000000000000004 [ 24.538716][ T313] R10: dffffc0000000000 R11: fffff52000253f58 R12: dffffc0000000000 [ 24.546696][ T313] R13: 1ffff110210e226a R14: ffff888108711350 R15: 0000000000000000 [ 24.554677][ T313] FS: 0000555562b7a3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.563619][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.570237][ T313] CR2: 0000555562b8b7a8 CR3: 000000012b34e000 CR4: 00000000003526b0 [ 24.578199][ T313] Call Trace: [ 24.581485][ T313] [ 24.584408][ T313] shmem_rmdir+0x5f/0x90 [ 24.588637][ T313] vfs_rmdir+0x3de/0x560 [ 24.592893][ T313] incfs_kill_sb+0x102/0x220 [ 24.597483][ T313] deactivate_locked_super+0xd5/0x270 [ 24.602866][ T313] deactivate_super+0xb8/0xe0 [ 24.607544][ T313] cleanup_mnt+0x438/0x4d0 [ 24.611992][ T313] __cleanup_mnt+0x1d/0x40 [ 24.616409][ T313] task_work_run+0x1e5/0x260 [ 24.621024][ T313] ? __cfi_task_work_run+0x10/0x10 [ 24.626136][ T313] ? path_umount+0x34a/0xf60 [ 24.630749][ T313] ptrace_notify+0x25a/0x290 [ 24.635343][ T313] ? __cfi_ptrace_notify+0x10/0x10 [ 24.640464][ T313] ? putname+0x113/0x150 [ 24.644710][ T313] ? __x64_sys_umount+0x12e/0x180 [ 24.649711][ T313] ? __cfi___x64_sys_umount+0x10/0x10 [ 24.655084][ T313] syscall_exit_work+0x84/0x150 [ 24.659929][ T313] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 24.666093][ T313] syscall_exit_to_user_mode+0x15/0xb0 [ 24.671570][ T313] do_syscall_64+0x63/0xf0 [ 24.675975][ T313] ? clear_bhb_loop+0x50/0xa0 [ 24.680661][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.686547][ T313] RIP: 0033:0x7f129e331527 [ 24.690984][ 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 [ 24.710609][ T313] RSP: 002b:00007ffe4c1df418 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 24.719024][ T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f129e331527 [ 24.727004][ T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4c1df4d0 [ 24.735013][ T313] RBP: 00007ffe4c1df4d0 R08: 00007ffe4c1e04d0 R09: 00000000ffffffff [ 24.742997][ T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4c1e0540 [ 24.750978][ T313] R13: 0000555562b7b730 R14: 00007ffe4c1e0540 R15: 0000000000000001 [ 24.758934][ T313] [ 24.761954][ T313] ---[ end trace 0000000000000000 ]--- [ 24.767431][ T313] ================================================================== [ 24.775481][ T313] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 24.781705][ T313] Write of size 4 at addr 0000000000000168 by task syz-executor395/313 [ 24.789930][ T313] [ 24.792236][ T313] CPU: 1 UID: 0 PID: 313 Comm: syz-executor395 Tainted: G W syzkaller #0 6f2d7458894aba4127f3ede48a844fbc689668cc [ 24.792253][ T313] Tainted: [W]=WARN [ 24.792257][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.792263][ T313] Call Trace: [ 24.792268][ T313] [ 24.792272][ T313] __dump_stack+0x21/0x30 [ 24.792290][ T313] dump_stack_lvl+0x140/0x1c0 [ 24.792304][ T313] ? __cfi_dump_stack_lvl+0x10/0x10 [ 24.792320][ T313] print_report+0x3d/0x70 [ 24.792334][ T313] kasan_report+0x162/0x1a0 [ 24.792348][ T313] ? ihold+0x24/0x70 [ 24.792360][ T313] ? ihold+0x24/0x70 [ 24.792372][ T313] kasan_check_range+0x25a/0x2b0 [ 24.792386][ T313] __kasan_check_write+0x18/0x20 [ 24.792396][ T313] ihold+0x24/0x70 [ 24.792408][ T313] vfs_rmdir+0x25c/0x560 [ 24.792423][ T313] incfs_kill_sb+0x102/0x220 [ 24.792434][ T313] deactivate_locked_super+0xd5/0x270 [ 24.792449][ T313] deactivate_super+0xb8/0xe0 [ 24.792464][ T313] cleanup_mnt+0x438/0x4d0 [ 24.792477][ T313] __cleanup_mnt+0x1d/0x40 [ 24.792489][ T313] task_work_run+0x1e5/0x260 [ 24.792503][ T313] ? __cfi_task_work_run+0x10/0x10 [ 24.792516][ T313] ? path_umount+0x34a/0xf60 [ 24.792526][ T313] ptrace_notify+0x25a/0x290 [ 24.792540][ T313] ? __cfi_ptrace_notify+0x10/0x10 [ 24.792553][ T313] ? putname+0x113/0x150 [ 24.792564][ T313] ? __x64_sys_umount+0x12e/0x180 [ 24.792574][ T313] ? __cfi___x64_sys_umount+0x10/0x10 [ 24.792584][ T313] syscall_exit_work+0x84/0x150 [ 24.792594][ T313] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 24.792605][ T313] syscall_exit_to_user_mode+0x15/0xb0 [ 24.792618][ T313] do_syscall_64+0x63/0xf0 [ 24.792633][ T313] ? clear_bhb_loop+0x50/0xa0 [ 24.792646][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.792657][ T313] RIP: 0033:0x7f129e331527 [ 24.792667][ 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 [ 24.792676][ T313] RSP: 002b:00007ffe4c1df418 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 24.792688][ T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f129e331527 [ 24.792695][ T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4c1df4d0 [ 24.792702][ T313] RBP: 00007ffe4c1df4d0 R08: 00007ffe4c1e04d0 R09: 00000000ffffffff [ 24.792710][ T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4c1e0540 [ 24.792717][ T313] R13: 0000555562b7b730 R14: 00007ffe4c1e0540 R15: 0000000000000001 [ 24.792725][ T313] [ 24.792729][ T313] ================================================================== [ 25.050519][ T313] Disabling lock debugging due to kernel taint [ 25.056718][ T313] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 25.064524][ T313] #PF: supervisor write access in kernel mode [ 25.070574][ T313] #PF: error_code(0x0002) - not-present page [ 25.076545][ T313] PGD 0 P4D 0 [ 25.079899][ T313] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 25.085943][ T313] CPU: 1 UID: 0 PID: 313 Comm: syz-executor395 Tainted: G B W syzkaller #0 6f2d7458894aba4127f3ede48a844fbc689668cc [ 25.099292][ T313] Tainted: [B]=BAD_PAGE, [W]=WARN [ 25.104300][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 25.114339][ T313] RIP: 0010:ihold+0x2a/0x70 [ 25.118839][ 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 [ 25.138437][ T313] RSP: 0018:ffffc9000129fb88 EFLAGS: 00010246 [ 25.144490][ T313] RAX: ffff8881083db900 RBX: 0000000000000000 RCX: ffff8881083db900 [ 25.152446][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.160395][ T313] RBP: ffffc9000129fb98 R08: ffffffff88bb8947 R09: 1ffffffff1177128 [ 25.168343][ T313] R10: dffffc0000000000 R11: fffffbfff1177129 R12: 0000000000000000 [ 25.176314][ T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 25.184266][ T313] FS: 0000555562b7a3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 25.193187][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.199746][ T313] CR2: 0000000000000168 CR3: 000000012b34e000 CR4: 00000000003526b0 [ 25.207696][ T313] Call Trace: [ 25.210953][ T313] [ 25.213865][ T313] vfs_rmdir+0x25c/0x560 [ 25.218101][ T313] incfs_kill_sb+0x102/0x220 [ 25.222670][ T313] deactivate_locked_super+0xd5/0x270 [ 25.228023][ T313] deactivate_super+0xb8/0xe0 [ 25.232696][ T313] cleanup_mnt+0x438/0x4d0 [ 25.237094][ T313] __cleanup_mnt+0x1d/0x40 [ 25.241487][ T313] task_work_run+0x1e5/0x260 [ 25.246054][ T313] ? __cfi_task_work_run+0x10/0x10 [ 25.251159][ T313] ? path_umount+0x34a/0xf60 [ 25.255728][ T313] ptrace_notify+0x25a/0x290 [ 25.260304][ T313] ? __cfi_ptrace_notify+0x10/0x10 [ 25.265397][ T313] ? putname+0x113/0x150 [ 25.269639][ T313] ? __x64_sys_umount+0x12e/0x180 [ 25.274638][ T313] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.279985][ T313] syscall_exit_work+0x84/0x150 [ 25.284991][ T313] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 25.291320][ T313] syscall_exit_to_user_mode+0x15/0xb0 [ 25.296772][ T313] do_syscall_64+0x63/0xf0 [ 25.301175][ T313] ? clear_bhb_loop+0x50/0xa0 [ 25.305831][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.311701][ T313] RIP: 0033:0x7f129e331527 [ 25.316114][ 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 [ 25.335717][ T313] RSP: 002b:00007ffe4c1df418 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 25.344106][ T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f129e331527 [ 25.352054][ T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4c1df4d0 [ 25.360000][ T313] RBP: 00007ffe4c1df4d0 R08: 00007ffe4c1e04d0 R09: 00000000ffffffff [ 25.367964][ T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4c1e0540 [ 25.375918][ T313] R13: 0000555562b7b730 R14: 00007ffe4c1e0540 R15: 0000000000000001 [ 25.383872][ T313] [ 25.386868][ T313] Modules linked in: [ 25.390756][ T313] CR2: 0000000000000168 [ 25.394881][ T313] ---[ end trace 0000000000000000 ]--- [ 25.400313][ T313] RIP: 0010:ihold+0x2a/0x70 [ 25.404797][ 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 [ 25.424377][ T313] RSP: 0018:ffffc9000129fb88 EFLAGS: 00010246 [ 25.430420][ T313] RAX: ffff8881083db900 RBX: 0000000000000000 RCX: ffff8881083db900 [ 25.438367][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.446334][ T313] RBP: ffffc9000129fb98 R08: ffffffff88bb8947 R09: 1ffffffff1177128 [ 25.454299][ T313] R10: dffffc0000000000 R11: fffffbfff1177129 R12: 0000000000000000 [ 25.462246][ T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 25.470194][ T313] FS: 0000555562b7a3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 25.479098][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.485658][ T313] CR2: 0000000000000168 CR3: 000000012b34e000 CR4: 00000000003526b0 [ 25.493608][ T313] Kernel panic - not syncing: Fatal exception [ 25.499944][ T313] Kernel Offset: disabled [ 25.504250][ T313] Rebooting in 86400 seconds..