ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor2414505540 <...> Warning: Permanently added '10.128.1.0' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor2414505540", ["ci2-android-6-1/syz-executor2414505540"], 0x7ffe533c1b80 /* 10 vars */) = 0 brk(NULL) = 0x555560d05000 brk(0x555560d05e00) = 0x555560d05e00 arch_prctl(ARCH_SET_FS, 0x555560d05480) = 0 set_tid_address(0x555560d05750) = 305 set_robust_list(0x555560d05760, 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-6-1/syz-executor2414505540", 4096) = 44 getrandom("\x83\x66\xf7\x34\x6a\x56\xf7\xea", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555560d05e00 brk(0x555560d26e00) = 0x555560d26e00 brk(0x555560d27000) = 0x555560d27000 mprotect(0x7f41449db000, 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 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=0x7f4144932ed0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4144936550}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f4144932ed0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4144936550}, NULL, 8) = 0 getrandom("\xe5\xf0\xf6\x42\x92\xeb\xef\xd0", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.3JfycO", 0700) = 0 chmod("./syzkaller.3JfycO", 0777) = 0 chdir("./syzkaller.3JfycO") = 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=0x555560d05750) = 306 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x555560d05760, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] getppid() = 0 [pid 306] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 306] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 306] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 306] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 306] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 306] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 306] unshare(CLONE_NEWNS) = 0 [pid 306] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 306] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 306] unshare(CLONE_NEWCGROUP) = 0 [pid 306] unshare(CLONE_NEWUTS) = 0 [pid 306] unshare(CLONE_SYSVSEM) = 0 [pid 306] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 306] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 306] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 306] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 306] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 306] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 306] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 306] getpid() = 1 [pid 306] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 306] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 306] getdents64(3, 0x555560d06810 /* 6 entries */, 32768) = 168 [pid 306] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 306] getdents64(4, 0x555560d0e850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x555560d0e850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./0/.incomplete") = 0 [pid 306] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 306] getdents64(4, 0x555560d0e850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x555560d0e850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./0/.index") = 0 [ 24.956710][ T307] incfs: ino conflict with backing FS 9 [ 24.969884][ T28] audit: type=1400 audit(1792972797.523:68): avc: denied { mounton } for pid=306 comm="syz-executor241" path="/root/syzkaller.3JfycO/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 [ 25.000264][ T306] ------------[ cut here ]------------ [ 25.000633][ T28] audit: type=1400 audit(1792972797.523:69): avc: denied { mount } for pid=306 comm="syz-executor241" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 25.005793][ T306] WARNING: CPU: 0 PID: 306 at fs/inode.c:335 drop_nlink+0xc5/0x110 [ 25.027836][ T28] audit: type=1400 audit(1792972797.533:70): avc: denied { mounton } for pid=306 comm="syz-executor241" path="/root/syzkaller.3JfycO/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 [ 25.035525][ T306] Modules linked in: [ 25.062325][ T28] audit: type=1400 audit(1792972797.533:71): avc: denied { mounton } for pid=306 comm="syz-executor241" path="/root/syzkaller.3JfycO/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=15022 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 25.066043][ T306] CPU: 0 PID: 306 Comm: syz-executor241 Not tainted syzkaller #0 [ 25.093686][ T28] audit: type=1400 audit(1792972797.533:72): avc: denied { unmount } for pid=306 comm="syz-executor241" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 25.101247][ T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 25.121032][ T28] audit: type=1400 audit(1792972797.543:73): avc: denied { mounton } for pid=306 comm="syz-executor241" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 25.130961][ T306] RIP: 0010:drop_nlink+0xc5/0x110 [ 25.158795][ T306] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 03 aa f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 db 0b ab ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c [ 25.178426][ T306] RSP: 0018:ffffc90000dc7b60 EFLAGS: 00010293 [ 25.184531][ T306] RAX: ffffffff81c66745 RBX: ffff888120af1730 RCX: ffff88810f568000 [ 25.192606][ T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.200563][ T306] RBP: ffffc90000dc7b88 R08: 0000000000000003 R09: 0000000000000004 [ 25.208558][ T306] R10: dffffc0000000000 R11: fffff520001b8f5c R12: dffffc0000000000 [ 25.216534][ T306] R13: 1ffff1102415e2ef R14: ffff888120af1778 R15: 0000000000000000 [ 25.224502][ T306] FS: 0000555560d05480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.233444][ T306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.240020][ T306] CR2: 0000560922dac558 CR3: 000000012160c000 CR4: 00000000003506b0 [ 25.248014][ T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.255999][ T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.263995][ T306] Call Trace: [ 25.267262][ T306] [ 25.270171][ T306] shmem_rmdir+0x5b/0x90 [ 25.274416][ T306] vfs_rmdir+0x381/0x4f0 [ 25.278650][ T306] incfs_kill_sb+0xfe/0x210 [ 25.283168][ T306] deactivate_locked_super+0xb5/0x120 [ 25.288539][ T306] deactivate_super+0xaf/0xe0 [ 25.293213][ T306] cleanup_mnt+0x45e/0x4e0 [ 25.297618][ T306] __cleanup_mnt+0x19/0x20 [ 25.302048][ T306] task_work_run+0x1e1/0x250 [ 25.306630][ T306] ? __cfi_task_work_run+0x10/0x10 [ 25.311735][ T306] ? path_umount+0x345/0xf60 [ 25.316320][ T306] ? __kasan_slab_free+0x11/0x20 [ 25.321233][ T306] ptrace_notify+0x23f/0x270 [ 25.325824][ T306] ? __cfi_path_umount+0x10/0x10 [ 25.330753][ T306] ? __cfi_ptrace_notify+0x10/0x10 [ 25.335866][ T306] ? user_path_at_empty+0x162/0x1c0 [ 25.341055][ T306] ? __x64_sys_umount+0x12d/0x170 [ 25.346102][ T306] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.351486][ T306] ? fpregs_restore_userregs+0x128/0x260 [ 25.357119][ T306] syscall_exit_work+0x84/0x140 [ 25.362000][ T306] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 25.368132][ T306] syscall_exit_to_user_mode+0xd/0x30 [ 25.373500][ T306] do_syscall_64+0x58/0xa0 [ 25.377906][ T306] ? clear_bhb_loop+0x30/0x80 [ 25.382602][ T306] ? clear_bhb_loop+0x30/0x80 [ 25.387269][ T306] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 25.393175][ T306] RIP: 0033:0x7f4144950667 [ 25.397579][ T306] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 24 04 09 00 00 00 00 00 eb 96 e8 d1 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 [ 25.417183][ T306] RSP: 002b:00007ffcba0d2628 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 25.425614][ T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4144950667 [ 25.433591][ T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcba0d26e0 [ 25.441662][ T306] RBP: 00007ffcba0d26e0 R08: 00007ffcba0d36e0 R09: 00000000ffffffff [ 25.449615][ T306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcba0d3750 [ 25.457586][ T306] R13: 0000555560d067e0 R14: 431bde82d7b634db R15: 00007ffcba0d3770 [ 25.465580][ T306] [ 25.468595][ T306] ---[ end trace 0000000000000000 ]--- [ 25.474100][ T306] ================================================================== [ 25.482159][ T306] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 [ 25.488378][ T306] Write of size 4 at addr 0000000000000170 by task syz-executor241/306 [ 25.496586][ T306] [ 25.498885][ T306] CPU: 0 PID: 306 Comm: syz-executor241 Tainted: G W syzkaller #0 [ 25.508049][ T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 25.518089][ T306] Call Trace: [ 25.521348][ T306] [ 25.524256][ T306] __dump_stack+0x21/0x24 [ 25.528562][ T306] dump_stack_lvl+0x110/0x170 [ 25.533209][ T306] ? __cfi_dump_stack_lvl+0x8/0x8 [ 25.538205][ T306] ? __cfi_call_rcu+0x10/0x10 [ 25.542857][ T306] ? ihold+0x20/0x60 [ 25.546737][ T306] ? ihold+0x20/0x60 [ 25.550603][ T306] print_report+0x3d/0x60 [ 25.554912][ T306] kasan_report+0x122/0x150 [ 25.559390][ T306] ? ihold+0x20/0x60 [ 25.563263][ T306] kasan_check_range+0x249/0x2a0 [ 25.568177][ T306] __kasan_check_write+0x14/0x20 [ 25.573088][ T306] ihold+0x20/0x60 [ 25.576785][ T306] vfs_rmdir+0x24c/0x4f0 [ 25.581004][ T306] incfs_kill_sb+0xfe/0x210 [ 25.585482][ T306] deactivate_locked_super+0xb5/0x120 [ 25.590832][ T306] deactivate_super+0xaf/0xe0 [ 25.595486][ T306] cleanup_mnt+0x45e/0x4e0 [ 25.599878][ T306] __cleanup_mnt+0x19/0x20 [ 25.604267][ T306] task_work_run+0x1e1/0x250 [ 25.608835][ T306] ? __cfi_task_work_run+0x10/0x10 [ 25.613919][ T306] ? path_umount+0x345/0xf60 [ 25.618522][ T306] ? __kasan_slab_free+0x11/0x20 [ 25.623448][ T306] ptrace_notify+0x23f/0x270 [ 25.628023][ T306] ? __cfi_path_umount+0x10/0x10 [ 25.632942][ T306] ? __cfi_ptrace_notify+0x10/0x10 [ 25.638052][ T306] ? user_path_at_empty+0x162/0x1c0 [ 25.643230][ T306] ? __x64_sys_umount+0x12d/0x170 [ 25.648234][ T306] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.653583][ T306] ? fpregs_restore_userregs+0x128/0x260 [ 25.659219][ T306] syscall_exit_work+0x84/0x140 [ 25.664058][ T306] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 25.670188][ T306] syscall_exit_to_user_mode+0xd/0x30 [ 25.675542][ T306] do_syscall_64+0x58/0xa0 [ 25.679936][ T306] ? clear_bhb_loop+0x30/0x80 [ 25.684595][ T306] ? clear_bhb_loop+0x30/0x80 [ 25.689248][ T306] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 25.695122][ T306] RIP: 0033:0x7f4144950667 [ 25.699512][ T306] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 24 04 09 00 00 00 00 00 eb 96 e8 d1 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 [ 25.719093][ T306] RSP: 002b:00007ffcba0d2628 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 25.727492][ T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4144950667 [ 25.735439][ T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcba0d26e0 [ 25.743389][ T306] RBP: 00007ffcba0d26e0 R08: 00007ffcba0d36e0 R09: 00000000ffffffff [ 25.751351][ T306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcba0d3750 [ 25.759295][ T306] R13: 0000555560d067e0 R14: 431bde82d7b634db R15: 00007ffcba0d3770 [ 25.767245][ T306] [ 25.770241][ T306] ================================================================== [ 25.778328][ T306] Disabling lock debugging due to kernel taint [ 25.784608][ T306] BUG: kernel NULL pointer dereference, address: 0000000000000170 [ 25.792402][ T306] #PF: supervisor write access in kernel mode [ 25.798610][ T306] #PF: error_code(0x0002) - not-present page [ 25.804586][ T306] PGD 0 P4D 0 [ 25.807942][ T306] Oops: 0002 [#1] PREEMPT SMP KASAN [ 25.813121][ T306] CPU: 0 PID: 306 Comm: syz-executor241 Tainted: G B W syzkaller #0 [ 25.822294][ T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 25.832332][ T306] RIP: 0010:ihold+0x26/0x60 [ 25.836858][ T306] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 41 03 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 40 a1 f0 ff 41 be 01 00 00 00 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 31 [ 25.856447][ T306] RSP: 0018:ffffc90000dc7ba0 EFLAGS: 00010246 [ 25.862495][ T306] RAX: ffff88810f568000 RBX: 0000000000000000 RCX: ffff88810f568000 [ 25.870463][ T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.878496][ T306] RBP: ffffc90000dc7bb0 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc [ 25.886467][ T306] R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: ffff888120af173c [ 25.894438][ T306] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 [ 25.902384][ T306] FS: 0000555560d05480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.911287][ T306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.917845][ T306] CR2: 0000000000000170 CR3: 000000012160c000 CR4: 00000000003506b0 [ 25.925796][ T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.933743][ T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.941690][ T306] Call Trace: [ 25.944974][ T306] [ 25.947891][ T306] vfs_rmdir+0x24c/0x4f0 [ 25.952119][ T306] incfs_kill_sb+0xfe/0x210 [ 25.956660][ T306] deactivate_locked_super+0xb5/0x120 [ 25.962028][ T306] deactivate_super+0xaf/0xe0 [ 25.966695][ T306] cleanup_mnt+0x45e/0x4e0 [ 25.971089][ T306] __cleanup_mnt+0x19/0x20 [ 25.975483][ T306] task_work_run+0x1e1/0x250 [ 25.980056][ T306] ? __cfi_task_work_run+0x10/0x10 [ 25.985163][ T306] ? path_umount+0x345/0xf60 [ 25.989745][ T306] ? __kasan_slab_free+0x11/0x20 [ 25.994677][ T306] ptrace_notify+0x23f/0x270 [ 25.999253][ T306] ? __cfi_path_umount+0x10/0x10 [ 26.004208][ T306] ? __cfi_ptrace_notify+0x10/0x10 [ 26.009302][ T306] ? user_path_at_empty+0x162/0x1c0 [ 26.014480][ T306] ? __x64_sys_umount+0x12d/0x170 [ 26.019481][ T306] ? __cfi___x64_sys_umount+0x10/0x10 [ 26.024828][ T306] ? fpregs_restore_userregs+0x128/0x260 [ 26.030440][ T306] syscall_exit_work+0x84/0x140 [ 26.035269][ T306] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 26.041397][ T306] syscall_exit_to_user_mode+0xd/0x30 [ 26.046748][ T306] do_syscall_64+0x58/0xa0 [ 26.051142][ T306] ? clear_bhb_loop+0x30/0x80 [ 26.055797][ T306] ? clear_bhb_loop+0x30/0x80 [ 26.060488][ T306] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 26.066376][ T306] RIP: 0033:0x7f4144950667 [ 26.070824][ T306] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 24 04 09 00 00 00 00 00 eb 96 e8 d1 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 [ 26.090411][ T306] RSP: 002b:00007ffcba0d2628 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 26.098810][ T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4144950667 [ 26.106756][ T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcba0d26e0 [ 26.114792][ T306] RBP: 00007ffcba0d26e0 R08: 00007ffcba0d36e0 R09: 00000000ffffffff [ 26.122740][ T306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcba0d3750 [ 26.130711][ T306] R13: 0000555560d067e0 R14: 431bde82d7b634db R15: 00007ffcba0d3770 [ 26.138695][ T306] [ 26.141702][ T306] Modules linked in: [ 26.145601][ T306] CR2: 0000000000000170 [ 26.149730][ T306] ---[ end trace 0000000000000000 ]--- [ 26.155156][ T306] RIP: 0010:ihold+0x26/0x60 [ 26.159649][ T306] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 41 03 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 40 a1 f0 ff 41 be 01 00 00 00 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 31 [ 26.179234][ T306] RSP: 0018:ffffc90000dc7ba0 EFLAGS: 00010246 [ 26.185286][ T306] RAX: ffff88810f568000 RBX: 0000000000000000 RCX: ffff88810f568000 [ 26.193259][ T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.201222][ T306] RBP: ffffc90000dc7bb0 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc [ 26.209170][ T306] R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: ffff888120af173c [ 26.217123][ T306] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 [ 26.225074][ T306] FS: 0000555560d05480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.233998][ T306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.240573][ T306] CR2: 0000000000000170 CR3: 000000012160c000 CR4: 00000000003506b0 [ 26.248523][ T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.256470][ T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.264422][ T306] Kernel panic - not syncing: Fatal exception [ 26.270687][ T306] Kernel Offset: disabled [ 26.274993][ T306] Rebooting in 86400 seconds..