ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor2540391403 <...> cess permissive=1 [ 21.600825][ T36] audit: type=1400 audit(1792918909.150:63): avc: denied { siginh } for pid=274 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.75' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor2540391403", ["ci2-android-6-12-rust/syz-executor2540391403"], 0x7fff6257c6e0 /* 10 vars */) = 0 brk(NULL) = 0x55556c808000 brk(0x55556c808d40) = 0x55556c808d40 arch_prctl(ARCH_SET_FS, 0x55556c8083c0) = 0 set_tid_address(0x55556c808690) = 312 set_robust_list(0x55556c8086a0, 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-executor2540391403", 4096) = 50 getrandom("\x18\xb1\xf1\xed\x8f\x7c\xd5\x64", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556c808d40 brk(0x55556c829d40) = 0x55556c829d40 brk(0x55556c82a000) = 0x55556c82a000 mprotect(0x7f6b8573c000, 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("\x65\x06\xe1\x63\xa4\x9d\x46\x50", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.BX34HA", 0700) = 0 chmod("./syzkaller.BX34HA", 0777) = 0 chdir("./syzkaller.BX34HA") = 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=0x55556c808690) = 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(0x55556c8086a0, 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(0x55556c8086a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] chdir("./0" [pid 313] <... clone resumed>, child_tidptr=0x55556c808690) = 2 [pid 314] <... chdir resumed>) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 314] <... prctl resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 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 [pid 314] write(1, "executing program\n", 18) = 18 executing program [pid 314] mkdir("./bus", 000) = 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) [ 30.924489][ T36] audit: type=1400 audit(1792918918.480:66): avc: denied { mounton } for pid=313 comm="syz-executor254" path="/root/syzkaller.BX34HA/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 30.949085][ T36] audit: type=1400 audit(1792918918.480:67): avc: denied { mount } for pid=313 comm="syz-executor254" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 30.959158][ T314] incfs: ino conflict with backing FS 9 [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=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, 0x55556c809760 /* 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, 0x55556c8117a0 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4, 0x55556c8117a0 /* 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, 0x55556c8117a0 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4, 0x55556c8117a0 /* 0 entries */, 32768) = 0 [pid 313] close(4) = 0 [pid 313] rmdir("./0/.index") = 0 [ 30.971898][ T36] audit: type=1400 audit(1792918918.490:68): avc: denied { mounton } for pid=313 comm="syz-executor254" path="/root/syzkaller.BX34HA/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 [ 31.002785][ T36] audit: type=1400 audit(1792918918.490:69): avc: denied { mounton } for pid=313 comm="syz-executor254" path="/root/syzkaller.BX34HA/syz-tmp/newroot/proc" dev="tmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 31.002917][ T313] ------------[ cut here ]------------ [ 31.028390][ T36] audit: type=1400 audit(1792918918.490:70): avc: denied { mount } for pid=313 comm="syz-executor254" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 31.033641][ T313] WARNING: CPU: 1 PID: 313 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 31.055660][ T36] audit: type=1400 audit(1792918918.490:71): avc: denied { mounton } for pid=313 comm="syz-executor254" path="/root/syzkaller.BX34HA/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 [ 31.063414][ T313] Modules linked in: [ 31.090280][ T36] audit: type=1400 audit(1792918918.490:72): avc: denied { mounton } for pid=313 comm="syz-executor254" path="/root/syzkaller.BX34HA/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=2953 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 31.093965][ T313] CPU: 1 UID: 0 PID: 313 Comm: syz-executor254 Not tainted syzkaller #0 790d506eeb1243e613a7e15525cb861d28cb7486 [ 31.121412][ T36] audit: type=1400 audit(1792918918.490:73): avc: denied { unmount } for pid=313 comm="syz-executor254" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 31.133296][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 31.162981][ T313] RIP: 0010:drop_nlink+0xce/0x110 [ 31.168032][ T313] Code: 04 00 00 be 08 00 00 00 e8 ff 0b ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c8 16 b6 03 cc e8 e2 80 94 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 31.187666][ T313] RSP: 0018:ffffc9000124fb48 EFLAGS: 00010293 [ 31.193733][ T313] RAX: ffffffff81f4ce1e RBX: ffff88810731da78 RCX: ffff88811fa762c0 [ 31.201721][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.209742][ T313] RBP: ffffc9000124fb70 R08: 0000000000000003 R09: 0000000000000004 [ 31.217743][ T313] R10: dffffc0000000000 R11: fffff52000249f58 R12: dffffc0000000000 [ 31.225767][ T313] R13: 1ffff11020e63b58 R14: ffff88810731dac0 R15: 0000000000000000 [ 31.233751][ T313] FS: 000055556c8083c0(0000) GS:ffff8881f6d00000(0000) knlGS:0000000000000000 [ 31.242689][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.249322][ T313] CR2: 000055556c808690 CR3: 00000001033c4000 CR4: 00000000003526b0 [ 31.257320][ T313] Call Trace: [ 31.260603][ T313] [ 31.263527][ T313] shmem_rmdir+0x5f/0x90 [ 31.267791][ T313] vfs_rmdir+0x3de/0x560 [ 31.272051][ T313] incfs_kill_sb+0x102/0x220 [ 31.276655][ T313] deactivate_locked_super+0xd5/0x270 [ 31.282041][ T313] deactivate_super+0xb8/0xe0 [ 31.286733][ T313] cleanup_mnt+0x438/0x4d0 [ 31.291159][ T313] __cleanup_mnt+0x1d/0x40 [ 31.295585][ T313] task_work_run+0x1e8/0x260 [ 31.300195][ T313] ? __cfi_task_work_run+0x10/0x10 [ 31.305333][ T313] ? path_umount+0x34a/0xf60 [ 31.309939][ T313] ptrace_notify+0x25a/0x290 [ 31.314521][ T313] ? __cfi_ptrace_notify+0x10/0x10 [ 31.319664][ T313] ? putname+0x113/0x150 [ 31.323924][ T313] ? __x64_sys_umount+0x12e/0x180 [ 31.328966][ T313] ? __cfi___x64_sys_umount+0x10/0x10 [ 31.334376][ T313] syscall_exit_work+0x84/0x150 [ 31.339241][ T313] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 31.345447][ T313] syscall_exit_to_user_mode+0x15/0xb0 [ 31.351008][ T313] do_syscall_64+0x63/0xf0 [ 31.355475][ T313] ? clear_bhb_loop+0x50/0xa0 [ 31.360174][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.366103][ T313] RIP: 0033:0x7f6b856a9527 [ 31.370530][ 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 [ 31.390168][ T313] RSP: 002b:00007ffdb78d0bc8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 31.398728][ T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6b856a9527 [ 31.406724][ T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb78d0c80 [ 31.414704][ T313] RBP: 00007ffdb78d0c80 R08: 00007ffdb78d1c80 R09: 00000000ffffffff [ 31.422708][ T313] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdb78d1cf0 [ 31.430709][ T313] R13: 000055556c809730 R14: 00007ffdb78d1cf0 R15: 0000000000000001 [ 31.438706][ T313] [ 31.441729][ T313] ---[ end trace 0000000000000000 ]--- [ 31.447335][ T313] ================================================================== [ 31.455417][ T313] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 31.461648][ T313] Write of size 4 at addr 0000000000000168 by task syz-executor254/313 [ 31.469867][ T313] [ 31.472183][ T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor254 Tainted: G W syzkaller #0 790d506eeb1243e613a7e15525cb861d28cb7486 [ 31.472203][ T313] Tainted: [W]=WARN [ 31.472207][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 31.472215][ T313] Call Trace: [ 31.472219][ T313] [ 31.472223][ T313] __dump_stack+0x21/0x30 [ 31.472243][ T313] dump_stack_lvl+0x140/0x1c0 [ 31.472259][ T313] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.472278][ T313] print_report+0x3d/0x70 [ 31.472294][ T313] kasan_report+0x162/0x1a0 [ 31.472306][ T313] ? ihold+0x24/0x70 [ 31.472316][ T313] ? ihold+0x24/0x70 [ 31.472327][ T313] kasan_check_range+0x25a/0x2b0 [ 31.472339][ T313] __kasan_check_write+0x18/0x20 [ 31.472354][ T313] ihold+0x24/0x70 [ 31.472364][ T313] vfs_rmdir+0x25c/0x560 [ 31.472378][ T313] incfs_kill_sb+0x102/0x220 [ 31.472395][ T313] deactivate_locked_super+0xd5/0x270 [ 31.472408][ T313] deactivate_super+0xb8/0xe0 [ 31.472421][ T313] cleanup_mnt+0x438/0x4d0 [ 31.472433][ T313] __cleanup_mnt+0x1d/0x40 [ 31.472443][ T313] task_work_run+0x1e8/0x260 [ 31.472460][ T313] ? __cfi_task_work_run+0x10/0x10 [ 31.472476][ T313] ? path_umount+0x34a/0xf60 [ 31.472491][ T313] ptrace_notify+0x25a/0x290 [ 31.472507][ T313] ? __cfi_ptrace_notify+0x10/0x10 [ 31.472523][ T313] ? putname+0x113/0x150 [ 31.472540][ T313] ? __x64_sys_umount+0x12e/0x180 [ 31.472554][ T313] ? __cfi___x64_sys_umount+0x10/0x10 [ 31.472570][ T313] syscall_exit_work+0x84/0x150 [ 31.472584][ T313] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 31.472599][ T313] syscall_exit_to_user_mode+0x15/0xb0 [ 31.472616][ T313] do_syscall_64+0x63/0xf0 [ 31.472627][ T313] ? clear_bhb_loop+0x50/0xa0 [ 31.472642][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.472657][ T313] RIP: 0033:0x7f6b856a9527 [ 31.472668][ 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 [ 31.472678][ T313] RSP: 002b:00007ffdb78d0bc8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 31.472692][ T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6b856a9527 [ 31.472699][ T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb78d0c80 [ 31.472712][ T313] RBP: 00007ffdb78d0c80 R08: 00007ffdb78d1c80 R09: 00000000ffffffff [ 31.472721][ T313] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdb78d1cf0 [ 31.472728][ T313] R13: 000055556c809730 R14: 00007ffdb78d1cf0 R15: 0000000000000001 [ 31.472738][ T313] [ 31.472742][ T313] ================================================================== [ 31.730975][ T313] Disabling lock debugging due to kernel taint [ 31.737159][ T313] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 31.744973][ T313] #PF: supervisor write access in kernel mode [ 31.751035][ T313] #PF: error_code(0x0002) - not-present page [ 31.756994][ T313] PGD 0 P4D 0 [ 31.760354][ T313] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 31.766406][ T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor254 Tainted: G B W syzkaller #0 790d506eeb1243e613a7e15525cb861d28cb7486 [ 31.779759][ T313] Tainted: [B]=BAD_PAGE, [W]=WARN [ 31.784760][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 31.794798][ T313] RIP: 0010:ihold+0x2a/0x70 [ 31.799292][ T313] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 cd 77 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 bc 02 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 dd [ 31.818880][ T313] RSP: 0018:ffffc9000124fb88 EFLAGS: 00010246 [ 31.824933][ T313] RAX: ffff88811fa76200 RBX: 0000000000000000 RCX: ffff88811fa762c0 [ 31.832887][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.840849][ T313] RBP: ffffc9000124fb98 R08: ffffffff893cd947 R09: 1ffffffff1279b28 [ 31.848811][ T313] R10: dffffc0000000000 R11: fffffbfff1279b29 R12: 0000000000000000 [ 31.856782][ T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 31.864751][ T313] FS: 000055556c8083c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 31.873666][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.880236][ T313] CR2: 0000000000000168 CR3: 00000001033c4000 CR4: 00000000003526b0 [ 31.888195][ T313] Call Trace: [ 31.891465][ T313] [ 31.894384][ T313] vfs_rmdir+0x25c/0x560 [ 31.898630][ T313] incfs_kill_sb+0x102/0x220 [ 31.903212][ T313] deactivate_locked_super+0xd5/0x270 [ 31.908588][ T313] deactivate_super+0xb8/0xe0 [ 31.913251][ T313] cleanup_mnt+0x438/0x4d0 [ 31.917652][ T313] __cleanup_mnt+0x1d/0x40 [ 31.922053][ T313] task_work_run+0x1e8/0x260 [ 31.926635][ T313] ? __cfi_task_work_run+0x10/0x10 [ 31.931737][ T313] ? path_umount+0x34a/0xf60 [ 31.936325][ T313] ptrace_notify+0x25a/0x290 [ 31.940994][ T313] ? __cfi_ptrace_notify+0x10/0x10 [ 31.946093][ T313] ? putname+0x113/0x150 [ 31.950328][ T313] ? __x64_sys_umount+0x12e/0x180 [ 31.955338][ T313] ? __cfi___x64_sys_umount+0x10/0x10 [ 31.960696][ T313] syscall_exit_work+0x84/0x150 [ 31.965534][ T313] syscall_exit_to_user_mode_prepare+0x21/0x40 [ 31.971674][ T313] syscall_exit_to_user_mode+0x15/0xb0 [ 31.977133][ T313] do_syscall_64+0x63/0xf0 [ 31.981540][ T313] ? clear_bhb_loop+0x50/0xa0 [ 31.986220][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.992119][ T313] RIP: 0033:0x7f6b856a9527 [ 31.996531][ 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 [ 32.016121][ T313] RSP: 002b:00007ffdb78d0bc8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 32.024518][ T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6b856a9527 [ 32.032473][ T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb78d0c80 [ 32.040436][ T313] RBP: 00007ffdb78d0c80 R08: 00007ffdb78d1c80 R09: 00000000ffffffff [ 32.048422][ T313] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdb78d1cf0 [ 32.056405][ T313] R13: 000055556c809730 R14: 00007ffdb78d1cf0 R15: 0000000000000001 [ 32.064374][ T313] [ 32.067386][ T313] Modules linked in: [ 32.071267][ T313] CR2: 0000000000000168 [ 32.075449][ T313] ---[ end trace 0000000000000000 ]--- [ 32.080887][ T313] RIP: 0010:ihold+0x2a/0x70 [ 32.085383][ T313] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 cd 77 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 bc 02 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 dd [ 32.104987][ T313] RSP: 0018:ffffc9000124fb88 EFLAGS: 00010246 [ 32.111038][ T313] RAX: ffff88811fa76200 RBX: 0000000000000000 RCX: ffff88811fa762c0 [ 32.118994][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.126947][ T313] RBP: ffffc9000124fb98 R08: ffffffff893cd947 R09: 1ffffffff1279b28 [ 32.134902][ T313] R10: dffffc0000000000 R11: fffffbfff1279b29 R12: 0000000000000000 [ 32.142857][ T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 32.150812][ T313] FS: 000055556c8083c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 32.159726][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.166297][ T313] CR2: 0000000000000168 CR3: 00000001033c4000 CR4: 00000000003526b0 [ 32.174263][ T313] Kernel panic - not syncing: Fatal exception [ 32.180484][ T313] Kernel Offset: disabled [ 32.184800][ T313] Rebooting in 86400 seconds..