ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor3033058204 <...> Warning: Permanently added '10.128.0.62' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor3033058204", ["ci2-android-6-1/syz-executor3033058204"], 0x7ffd71bc30c0 /* 10 vars */) = 0 brk(NULL) = 0x55557c67b000 brk(0x55557c67be00) = 0x55557c67be00 arch_prctl(ARCH_SET_FS, 0x55557c67b480) = 0 set_tid_address(0x55557c67b750) = 305 set_robust_list(0x55557c67b760, 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-executor3033058204", 4096) = 44 getrandom("\x75\x86\x85\xbc\x10\xfc\x8f\x0c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557c67be00 brk(0x55557c69ce00) = 0x55557c69ce00 brk(0x55557c69d000) = 0x55557c69d000 mprotect(0x7fb5b394c000, 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=0x7fb5b38a3eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fb5b38a7550}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fb5b38a3eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fb5b38a7550}, NULL, 8) = 0 getrandom("\x29\x4c\x7f\xd3\xb5\x41\xed\xa0", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.9YSw9M", 0700) = 0 chmod("./syzkaller.9YSw9M", 0777) = 0 chdir("./syzkaller.9YSw9M") = 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=0x55557c67b750) = 306 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x55557c67b760, 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, 0x55557c67c810 /* 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, 0x55557c684850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55557c684850 /* 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, 0x55557c684850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55557c684850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./0/.index") = 0 [ 24.435966][ T307] incfs: ino conflict with backing FS 9 [ 24.439946][ T28] audit: type=1400 audit(1790329681.974:68): avc: denied { mounton } for pid=306 comm="syz-executor303" path="/root/syzkaller.9YSw9M/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 [ 24.470176][ T306] ------------[ cut here ]------------ [ 24.470655][ T28] audit: type=1400 audit(1790329681.974:69): avc: denied { mount } for pid=306 comm="syz-executor303" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 24.475655][ T306] WARNING: CPU: 0 PID: 306 at fs/inode.c:335 drop_nlink+0xc5/0x110 [ 24.497702][ T28] audit: type=1400 audit(1790329681.974:70): avc: denied { mounton } for pid=306 comm="syz-executor303" path="/root/syzkaller.9YSw9M/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 [ 24.505417][ T306] Modules linked in: [ 24.505439][ T306] CPU: 0 PID: 306 Comm: syz-executor303 Not tainted syzkaller #0 [ 24.532289][ T28] audit: type=1400 audit(1790329681.974:71): avc: denied { mounton } for pid=306 comm="syz-executor303" path="/root/syzkaller.9YSw9M/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=15515 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 24.535924][ T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.543789][ T28] audit: type=1400 audit(1790329681.974:72): avc: denied { unmount } for pid=306 comm="syz-executor303" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 24.571161][ T306] RIP: 0010:drop_nlink+0xc5/0x110 [ 24.581356][ T28] audit: type=1400 audit(1790329681.994:73): avc: denied { mounton } for pid=306 comm="syz-executor303" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 24.600819][ 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 1b 1c ab ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c [ 24.648272][ T306] RSP: 0018:ffffc90000e17b60 EFLAGS: 00010293 [ 24.654353][ T306] RAX: ffffffff81c64e05 RBX: ffff88811044b938 RCX: ffff88811039d100 [ 24.662453][ T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.670440][ T306] RBP: ffffc90000e17b88 R08: 0000000000000003 R09: 0000000000000004 [ 24.678410][ T306] R10: dffffc0000000000 R11: fffff520001c2f5c R12: dffffc0000000000 [ 24.686418][ T306] R13: 1ffff11022089730 R14: ffff88811044b980 R15: 0000000000000000 [ 24.694429][ T306] FS: 000055557c67b480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 24.703411][ T306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.710008][ T306] CR2: 0000564fc5c63558 CR3: 0000000121ccd000 CR4: 00000000003506b0 [ 24.717993][ T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.725989][ T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.734001][ T306] Call Trace: [ 24.737268][ T306] [ 24.740194][ T306] shmem_rmdir+0x5b/0x90 [ 24.744439][ T306] vfs_rmdir+0x381/0x4f0 [ 24.748690][ T306] incfs_kill_sb+0xfe/0x210 [ 24.753205][ T306] deactivate_locked_super+0xb5/0x120 [ 24.758574][ T306] deactivate_super+0xaf/0xe0 [ 24.763263][ T306] cleanup_mnt+0x45e/0x4e0 [ 24.767737][ T306] __cleanup_mnt+0x19/0x20 [ 24.772161][ T306] task_work_run+0x1e1/0x250 [ 24.776749][ T306] ? __cfi_task_work_run+0x10/0x10 [ 24.781888][ T306] ? path_umount+0x345/0xf60 [ 24.786488][ T306] ? __kasan_slab_free+0x11/0x20 [ 24.791460][ T306] ptrace_notify+0x23f/0x270 [ 24.796058][ T306] ? __cfi_path_umount+0x10/0x10 [ 24.801022][ T306] ? __cfi_ptrace_notify+0x10/0x10 [ 24.806158][ T306] ? user_path_at_empty+0x162/0x1c0 [ 24.811373][ T306] ? __x64_sys_umount+0x12d/0x170 [ 24.816422][ T306] ? __cfi___x64_sys_umount+0x10/0x10 [ 24.821823][ T306] ? fpregs_restore_userregs+0x128/0x260 [ 24.827566][ T306] syscall_exit_work+0x84/0x140 [ 24.832502][ T306] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 24.838687][ T306] syscall_exit_to_user_mode+0xd/0x30 [ 24.844098][ T306] do_syscall_64+0x58/0xa0 [ 24.848519][ T306] ? clear_bhb_loop+0x30/0x80 [ 24.853257][ T306] ? clear_bhb_loop+0x30/0x80 [ 24.857938][ T306] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 24.863864][ T306] RIP: 0033:0x7fb5b38c1667 [ 24.868318][ 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 [ 24.887950][ T306] RSP: 002b:00007ffc244c9108 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 24.896409][ T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb5b38c1667 [ 24.904427][ T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc244c91c0 [ 24.912419][ T306] RBP: 00007ffc244c91c0 R08: 00007ffc244ca1c0 R09: 00000000ffffffff [ 24.920407][ T306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc244ca230 [ 24.928374][ T306] R13: 000055557c67c7e0 R14: 431bde82d7b634db R15: 00007ffc244ca250 [ 24.936483][ T306] [ 24.939539][ T306] ---[ end trace 0000000000000000 ]--- [ 24.945128][ T306] ================================================================== [ 24.953183][ T306] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 [ 24.959516][ T306] Write of size 4 at addr 0000000000000170 by task syz-executor303/306 [ 24.967763][ T306] [ 24.970083][ T306] CPU: 0 PID: 306 Comm: syz-executor303 Tainted: G W syzkaller #0 [ 24.979270][ T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.989310][ T306] Call Trace: [ 24.992572][ T306] [ 24.995482][ T306] __dump_stack+0x21/0x24 [ 24.999794][ T306] dump_stack_lvl+0x110/0x170 [ 25.004473][ T306] ? __cfi_dump_stack_lvl+0x8/0x8 [ 25.009474][ T306] ? __cfi_call_rcu+0x10/0x10 [ 25.014128][ T306] ? ihold+0x20/0x60 [ 25.017997][ T306] ? ihold+0x20/0x60 [ 25.021893][ T306] print_report+0x3d/0x60 [ 25.026217][ T306] kasan_report+0x122/0x150 [ 25.030699][ T306] ? ihold+0x20/0x60 [ 25.034570][ T306] kasan_check_range+0x249/0x2a0 [ 25.039495][ T306] __kasan_check_write+0x14/0x20 [ 25.044429][ T306] ihold+0x20/0x60 [ 25.048141][ T306] vfs_rmdir+0x24c/0x4f0 [ 25.052366][ T306] incfs_kill_sb+0xfe/0x210 [ 25.056847][ T306] deactivate_locked_super+0xb5/0x120 [ 25.062197][ T306] deactivate_super+0xaf/0xe0 [ 25.066852][ T306] cleanup_mnt+0x45e/0x4e0 [ 25.071244][ T306] __cleanup_mnt+0x19/0x20 [ 25.075662][ T306] task_work_run+0x1e1/0x250 [ 25.080229][ T306] ? __cfi_task_work_run+0x10/0x10 [ 25.085319][ T306] ? path_umount+0x345/0xf60 [ 25.089891][ T306] ? __kasan_slab_free+0x11/0x20 [ 25.094804][ T306] ptrace_notify+0x23f/0x270 [ 25.099373][ T306] ? __cfi_path_umount+0x10/0x10 [ 25.104285][ T306] ? __cfi_ptrace_notify+0x10/0x10 [ 25.109400][ T306] ? user_path_at_empty+0x162/0x1c0 [ 25.114597][ T306] ? __x64_sys_umount+0x12d/0x170 [ 25.119599][ T306] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.124966][ T306] ? fpregs_restore_userregs+0x128/0x260 [ 25.130575][ T306] syscall_exit_work+0x84/0x140 [ 25.135402][ T306] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 25.141530][ T306] syscall_exit_to_user_mode+0xd/0x30 [ 25.146878][ T306] do_syscall_64+0x58/0xa0 [ 25.151275][ T306] ? clear_bhb_loop+0x30/0x80 [ 25.155931][ T306] ? clear_bhb_loop+0x30/0x80 [ 25.160603][ T306] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 25.166488][ T306] RIP: 0033:0x7fb5b38c1667 [ 25.170881][ 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 [ 25.190465][ T306] RSP: 002b:00007ffc244c9108 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 25.198853][ T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb5b38c1667 [ 25.206801][ T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc244c91c0 [ 25.214746][ T306] RBP: 00007ffc244c91c0 R08: 00007ffc244ca1c0 R09: 00000000ffffffff [ 25.222702][ T306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc244ca230 [ 25.230657][ T306] R13: 000055557c67c7e0 R14: 431bde82d7b634db R15: 00007ffc244ca250 [ 25.238615][ T306] [ 25.241615][ T306] ================================================================== [ 25.250168][ T306] Disabling lock debugging due to kernel taint [ 25.256347][ T306] BUG: kernel NULL pointer dereference, address: 0000000000000170 [ 25.264130][ T306] #PF: supervisor write access in kernel mode [ 25.270171][ T306] #PF: error_code(0x0002) - not-present page [ 25.276124][ T306] PGD 0 P4D 0 [ 25.279480][ T306] Oops: 0002 [#1] PREEMPT SMP KASAN [ 25.284657][ T306] CPU: 0 PID: 306 Comm: syz-executor303 Tainted: G B W syzkaller #0 [ 25.293830][ T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 25.303861][ T306] RIP: 0010:ihold+0x26/0x60 [ 25.308360][ T306] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 81 13 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 71 [ 25.327945][ T306] RSP: 0018:ffffc90000e17ba0 EFLAGS: 00010246 [ 25.334028][ T306] RAX: ffff88811039d100 RBX: 0000000000000000 RCX: ffff88811039d100 [ 25.341992][ T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.349946][ T306] RBP: ffffc90000e17bb0 R08: ffffffff87b767e7 R09: 1ffffffff0f6ecfc [ 25.357898][ T306] R10: dffffc0000000000 R11: fffffbfff0f6ecfd R12: ffff88811044b944 [ 25.365853][ T306] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 [ 25.373803][ T306] FS: 000055557c67b480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.382710][ T306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.389288][ T306] CR2: 0000000000000170 CR3: 0000000121ccd000 CR4: 00000000003506b0 [ 25.397243][ T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.405197][ T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.413149][ T306] Call Trace: [ 25.416409][ T306] [ 25.419323][ T306] vfs_rmdir+0x24c/0x4f0 [ 25.423557][ T306] incfs_kill_sb+0xfe/0x210 [ 25.428047][ T306] deactivate_locked_super+0xb5/0x120 [ 25.433404][ T306] deactivate_super+0xaf/0xe0 [ 25.438141][ T306] cleanup_mnt+0x45e/0x4e0 [ 25.442556][ T306] __cleanup_mnt+0x19/0x20 [ 25.446952][ T306] task_work_run+0x1e1/0x250 [ 25.451527][ T306] ? __cfi_task_work_run+0x10/0x10 [ 25.456620][ T306] ? path_umount+0x345/0xf60 [ 25.461193][ T306] ? __kasan_slab_free+0x11/0x20 [ 25.466114][ T306] ptrace_notify+0x23f/0x270 [ 25.470687][ T306] ? __cfi_path_umount+0x10/0x10 [ 25.475608][ T306] ? __cfi_ptrace_notify+0x10/0x10 [ 25.480703][ T306] ? user_path_at_empty+0x162/0x1c0 [ 25.485899][ T306] ? __x64_sys_umount+0x12d/0x170 [ 25.490927][ T306] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.496282][ T306] ? fpregs_restore_userregs+0x128/0x260 [ 25.501897][ T306] syscall_exit_work+0x84/0x140 [ 25.506730][ T306] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 25.512864][ T306] syscall_exit_to_user_mode+0xd/0x30 [ 25.518218][ T306] do_syscall_64+0x58/0xa0 [ 25.522624][ T306] ? clear_bhb_loop+0x30/0x80 [ 25.528009][ T306] ? clear_bhb_loop+0x30/0x80 [ 25.532692][ T306] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 25.538570][ T306] RIP: 0033:0x7fb5b38c1667 [ 25.542970][ 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 [ 25.563805][ T306] RSP: 002b:00007ffc244c9108 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 25.572218][ T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb5b38c1667 [ 25.580171][ T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc244c91c0 [ 25.588140][ T306] RBP: 00007ffc244c91c0 R08: 00007ffc244ca1c0 R09: 00000000ffffffff [ 25.596091][ T306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc244ca230 [ 25.604043][ T306] R13: 000055557c67c7e0 R14: 431bde82d7b634db R15: 00007ffc244ca250 [ 25.611998][ T306] [ 25.614998][ T306] Modules linked in: [ 25.618888][ T306] CR2: 0000000000000170 [ 25.623022][ T306] ---[ end trace 0000000000000000 ]--- [ 25.628453][ T306] RIP: 0010:ihold+0x26/0x60 [ 25.632943][ T306] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 81 13 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 71 [ 25.652528][ T306] RSP: 0018:ffffc90000e17ba0 EFLAGS: 00010246 [ 25.658575][ T306] RAX: ffff88811039d100 RBX: 0000000000000000 RCX: ffff88811039d100 [ 25.666527][ T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.674480][ T306] RBP: ffffc90000e17bb0 R08: ffffffff87b767e7 R09: 1ffffffff0f6ecfc [ 25.682433][ T306] R10: dffffc0000000000 R11: fffffbfff0f6ecfd R12: ffff88811044b944 [ 25.690387][ T306] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 [ 25.698338][ T306] FS: 000055557c67b480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.707246][ T306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.713809][ T306] CR2: 0000000000000170 CR3: 0000000121ccd000 CR4: 00000000003506b0 [ 25.721760][ T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.729710][ T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.737681][ T306] Kernel panic - not syncing: Fatal exception [ 25.743837][ T306] Kernel Offset: disabled [ 25.748166][ T306] Rebooting in 86400 seconds..