ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor1220021715 <...> Warning: Permanently added '10.128.1.133' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor1220021715", ["ci2-android-6-1/syz-executor1220021715"], 0x7ffc575ccd80 /* 10 vars */) = 0 brk(NULL) = 0x55555d157000 brk(0x55555d157d40) = 0x55555d157d40 arch_prctl(ARCH_SET_FS, 0x55555d1573c0) = 0 set_tid_address(0x55555d157690) = 304 set_robust_list(0x55555d1576a0, 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-executor1220021715", 4096) = 44 getrandom("\x60\xc9\xd2\x8e\x2e\xe2\x41\x8e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555d157d40 brk(0x55555d178d40) = 0x55555d178d40 brk(0x55555d179000) = 0x55555d179000 mprotect(0x7f5e49f35000, 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("\x19\xaa\xe6\x75\xe1\xac\x1e\x9d", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.lXyuFE", 0700) = 0 chmod("./syzkaller.lXyuFE", 0777) = 0 chdir("./syzkaller.lXyuFE") = 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=0x55555d157690) = 305 ci2-android-6-1/strace-static-x86_64: Process 305 attached [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] set_robust_list(0x55555d1576a0, 24) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] getppid() = 0 [pid 305] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 305] unshare(CLONE_NEWNS) = 0 [pid 305] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 305] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 305] unshare(CLONE_NEWCGROUP) = 0 [pid 305] unshare(CLONE_NEWUTS) = 0 [pid 305] unshare(CLONE_SYSVSEM) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] getpid() = 1 [pid 305] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 305] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 305] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 305] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 305] getdents64(3, 0x55555d158750 /* 6 entries */, 32768) = 168 [pid 305] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 305] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 305] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 305] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 305] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 305] getdents64(4, 0x55555d160790 /* 2 entries */, 32768) = 48 [pid 305] getdents64(4, 0x55555d160790 /* 0 entries */, 32768) = 0 [pid 305] close(4) = 0 [pid 305] rmdir("./0/.incomplete") = 0 [pid 305] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 305] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 305] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 305] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 305] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 305] getdents64(4, 0x55555d160790 /* 2 entries */, 32768) = 48 [pid 305] getdents64(4, 0x55555d160790 /* 0 entries */, 32768) = 0 [pid 305] close(4) = 0 [pid 305] rmdir("./0/.index") = 0 [ 23.419317][ T305] request_module fs-gadgetfs succeeded, but still no fs? [ 23.440296][ T28] audit: type=1400 audit(1789172549.320:68): avc: denied { mounton } for pid=305 comm="syz-executor122" path="/root/syzkaller.lXyuFE/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 [ 23.455292][ T306] incfs: ino conflict with backing FS 9 [ 23.473984][ T28] audit: type=1400 audit(1789172549.320:69): avc: denied { mount } for pid=305 comm="syz-executor122" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 23.501834][ T28] audit: type=1400 audit(1789172549.320:70): avc: denied { mounton } for pid=305 comm="syz-executor122" path="/root/syzkaller.lXyuFE/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 [ 23.502028][ T305] ------------[ cut here ]------------ [ 23.528965][ T28] audit: type=1400 audit(1789172549.320:71): avc: denied { mounton } for pid=305 comm="syz-executor122" path="/root/syzkaller.lXyuFE/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=13231 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 23.534545][ T305] WARNING: CPU: 0 PID: 305 at fs/inode.c:335 drop_nlink+0xc5/0x110 [ 23.566757][ T28] audit: type=1400 audit(1789172549.320:72): avc: denied { unmount } for pid=305 comm="syz-executor122" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 23.575226][ T305] Modules linked in: [ 23.575247][ T305] CPU: 0 PID: 305 Comm: syz-executor122 Not tainted syzkaller #0 [ 23.595107][ T28] audit: type=1400 audit(1789172549.350:73): avc: denied { mounton } for pid=305 comm="syz-executor122" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 23.599072][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 23.599088][ T305] RIP: 0010:drop_nlink+0xc5/0x110 [ 23.649590][ T305] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 b3 ac f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 bb 1e ab ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c [ 23.669895][ T305] RSP: 0018:ffffc90000e17b60 EFLAGS: 00010293 [ 23.676171][ T305] RAX: ffffffff81c64ae5 RBX: ffff88810be79af8 RCX: ffff88810e3d6540 [ 23.685015][ T305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.693877][ T305] RBP: ffffc90000e17b88 R08: 0000000000000003 R09: 0000000000000004 [ 23.702835][ T305] R10: dffffc0000000000 R11: fffff520001c2f5c R12: dffffc0000000000 [ 23.711896][ T305] R13: 1ffff110217cf368 R14: ffff88810be79b40 R15: 0000000000000000 [ 23.720355][ T305] FS: 000055555d1573c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 23.729754][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.737143][ T305] CR2: 000055a5fbc60558 CR3: 00000001237d0000 CR4: 00000000003506b0 [ 23.745755][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.754087][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.762907][ T305] Call Trace: [ 23.766233][ T305] [ 23.769454][ T305] shmem_rmdir+0x5b/0x90 [ 23.773895][ T305] vfs_rmdir+0x381/0x4f0 [ 23.778283][ T305] incfs_kill_sb+0xfe/0x210 [ 23.782934][ T305] deactivate_locked_super+0xb5/0x120 [ 23.788361][ T305] deactivate_super+0xaf/0xe0 [ 23.793070][ T305] cleanup_mnt+0x45e/0x4e0 [ 23.797612][ T305] __cleanup_mnt+0x19/0x20 [ 23.802065][ T305] task_work_run+0x1e1/0x250 [ 23.806704][ T305] ? __cfi_task_work_run+0x10/0x10 [ 23.811924][ T305] ? path_umount+0x345/0xf60 [ 23.816560][ T305] ? __kasan_slab_free+0x11/0x20 [ 23.821532][ T305] ptrace_notify+0x23f/0x270 [ 23.826544][ T305] ? __cfi_path_umount+0x10/0x10 [ 23.831767][ T305] ? __cfi_ptrace_notify+0x10/0x10 [ 23.837052][ T305] ? user_path_at_empty+0x162/0x1c0 [ 23.842442][ T305] ? __x64_sys_umount+0x12d/0x170 [ 23.847924][ T305] ? __cfi___x64_sys_umount+0x10/0x10 [ 23.854121][ T305] ? fpregs_restore_userregs+0x128/0x260 [ 23.860184][ T305] syscall_exit_work+0x84/0x140 [ 23.865741][ T305] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 23.872653][ T305] syscall_exit_to_user_mode+0xd/0x30 [ 23.879130][ T305] do_syscall_64+0x58/0xa0 [ 23.884228][ T305] ? clear_bhb_loop+0x30/0x80 [ 23.889042][ T305] ? clear_bhb_loop+0x30/0x80 [ 23.894451][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 23.902746][ T305] RIP: 0033:0x7f5e49ea2527 [ 23.907830][ T305] 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 [ 23.929706][ T305] RSP: 002b:00007ffc084719a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 23.938829][ T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5e49ea2527 [ 23.947947][ T305] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc08471a60 [ 23.956703][ T305] RBP: 00007ffc08471a60 R08: 00007ffc08472a60 R09: 00000000ffffffff [ 23.965991][ T305] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc08472ad0 [ 23.974258][ T305] R13: 000055555d158720 R14: 00007ffc08472ad0 R15: 0000000000000001 [ 23.982751][ T305] [ 23.986107][ T305] ---[ end trace 0000000000000000 ]--- [ 23.991824][ T305] ================================================================== [ 24.000414][ T305] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 [ 24.006842][ T305] Write of size 4 at addr 0000000000000170 by task syz-executor122/305 [ 24.015158][ T305] [ 24.017488][ T305] CPU: 1 PID: 305 Comm: syz-executor122 Tainted: G W syzkaller #0 [ 24.027193][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.038363][ T305] Call Trace: [ 24.041752][ T305] [ 24.044874][ T305] __dump_stack+0x21/0x24 [ 24.049491][ T305] dump_stack_lvl+0x110/0x170 [ 24.054349][ T305] ? __cfi_dump_stack_lvl+0x8/0x8 [ 24.059790][ T305] ? __cfi_call_rcu+0x10/0x10 [ 24.064786][ T305] ? ihold+0x20/0x60 [ 24.068889][ T305] ? ihold+0x20/0x60 [ 24.072792][ T305] print_report+0x3d/0x60 [ 24.077320][ T305] kasan_report+0x122/0x150 [ 24.082188][ T305] ? ihold+0x20/0x60 [ 24.086423][ T305] kasan_check_range+0x249/0x2a0 [ 24.092170][ T305] __kasan_check_write+0x14/0x20 [ 24.097344][ T305] ihold+0x20/0x60 [ 24.101438][ T305] vfs_rmdir+0x24c/0x4f0 [ 24.106519][ T305] incfs_kill_sb+0xfe/0x210 [ 24.111735][ T305] deactivate_locked_super+0xb5/0x120 [ 24.117523][ T305] deactivate_super+0xaf/0xe0 [ 24.122324][ T305] cleanup_mnt+0x45e/0x4e0 [ 24.126830][ T305] __cleanup_mnt+0x19/0x20 [ 24.131397][ T305] task_work_run+0x1e1/0x250 [ 24.136607][ T305] ? __cfi_task_work_run+0x10/0x10 [ 24.141924][ T305] ? path_umount+0x345/0xf60 [ 24.146623][ T305] ? __kasan_slab_free+0x11/0x20 [ 24.151786][ T305] ptrace_notify+0x23f/0x270 [ 24.156835][ T305] ? __cfi_path_umount+0x10/0x10 [ 24.161885][ T305] ? __cfi_ptrace_notify+0x10/0x10 [ 24.167543][ T305] ? user_path_at_empty+0x162/0x1c0 [ 24.173112][ T305] ? __x64_sys_umount+0x12d/0x170 [ 24.178324][ T305] ? __cfi___x64_sys_umount+0x10/0x10 [ 24.183740][ T305] ? fpregs_restore_userregs+0x128/0x260 [ 24.189851][ T305] syscall_exit_work+0x84/0x140 [ 24.194793][ T305] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 24.201840][ T305] syscall_exit_to_user_mode+0xd/0x30 [ 24.207392][ T305] do_syscall_64+0x58/0xa0 [ 24.211831][ T305] ? clear_bhb_loop+0x30/0x80 [ 24.216531][ T305] ? clear_bhb_loop+0x30/0x80 [ 24.221657][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 24.227686][ T305] RIP: 0033:0x7f5e49ea2527 [ 24.232383][ T305] 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 [ 24.254506][ T305] RSP: 002b:00007ffc084719a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 24.262931][ T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5e49ea2527 [ 24.271085][ T305] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc08471a60 [ 24.279240][ T305] RBP: 00007ffc08471a60 R08: 00007ffc08472a60 R09: 00000000ffffffff [ 24.287398][ T305] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc08472ad0 [ 24.295554][ T305] R13: 000055555d158720 R14: 00007ffc08472ad0 R15: 0000000000000001 [ 24.303625][ T305] [ 24.306643][ T305] ================================================================== [ 24.315093][ T305] Disabling lock debugging due to kernel taint [ 24.321654][ T305] BUG: kernel NULL pointer dereference, address: 0000000000000170 [ 24.329652][ T305] #PF: supervisor write access in kernel mode [ 24.336669][ T305] #PF: error_code(0x0002) - not-present page [ 24.342987][ T305] PGD 0 P4D 0 [ 24.346527][ T305] Oops: 0002 [#1] PREEMPT SMP KASAN [ 24.351801][ T305] CPU: 1 PID: 305 Comm: syz-executor122 Tainted: G B W syzkaller #0 [ 24.361523][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.372493][ T305] RIP: 0010:ihold+0x26/0x60 [ 24.377052][ T305] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 21 16 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 f0 a3 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 11 [ 24.403993][ T305] RSP: 0018:ffffc90000e17ba0 EFLAGS: 00010246 [ 24.410715][ T305] RAX: ffff88810e3d6500 RBX: 0000000000000000 RCX: ffff88810e3d6540 [ 24.419148][ T305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.427395][ T305] RBP: ffffc90000e17bb0 R08: ffffffff87b767e7 R09: 1ffffffff0f6ecfc [ 24.435379][ T305] R10: dffffc0000000000 R11: fffffbfff0f6ecfd R12: ffff88810be79b04 [ 24.443351][ T305] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 [ 24.451501][ T305] FS: 000055555d1573c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.461909][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.469227][ T305] CR2: 0000000000000170 CR3: 00000001237d0000 CR4: 00000000003506a0 [ 24.477304][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.486518][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.494858][ T305] Call Trace: [ 24.498335][ T305] [ 24.501277][ T305] vfs_rmdir+0x24c/0x4f0 [ 24.505701][ T305] incfs_kill_sb+0xfe/0x210 [ 24.510327][ T305] deactivate_locked_super+0xb5/0x120 [ 24.515888][ T305] deactivate_super+0xaf/0xe0 [ 24.520880][ T305] cleanup_mnt+0x45e/0x4e0 [ 24.525305][ T305] __cleanup_mnt+0x19/0x20 [ 24.529720][ T305] task_work_run+0x1e1/0x250 [ 24.534622][ T305] ? __cfi_task_work_run+0x10/0x10 [ 24.539733][ T305] ? path_umount+0x345/0xf60 [ 24.544318][ T305] ? __kasan_slab_free+0x11/0x20 [ 24.549248][ T305] ptrace_notify+0x23f/0x270 [ 24.553929][ T305] ? __cfi_path_umount+0x10/0x10 [ 24.558883][ T305] ? __cfi_ptrace_notify+0x10/0x10 [ 24.564008][ T305] ? user_path_at_empty+0x162/0x1c0 [ 24.569223][ T305] ? __x64_sys_umount+0x12d/0x170 [ 24.574431][ T305] ? __cfi___x64_sys_umount+0x10/0x10 [ 24.579813][ T305] ? fpregs_restore_userregs+0x128/0x260 [ 24.585515][ T305] syscall_exit_work+0x84/0x140 [ 24.590392][ T305] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 24.596708][ T305] syscall_exit_to_user_mode+0xd/0x30 [ 24.602083][ T305] do_syscall_64+0x58/0xa0 [ 24.606579][ T305] ? clear_bhb_loop+0x30/0x80 [ 24.611256][ T305] ? clear_bhb_loop+0x30/0x80 [ 24.616102][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 24.622192][ T305] RIP: 0033:0x7f5e49ea2527 [ 24.626614][ T305] 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 [ 24.646474][ T305] RSP: 002b:00007ffc084719a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 24.654991][ T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5e49ea2527 [ 24.663132][ T305] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc08471a60 [ 24.672229][ T305] RBP: 00007ffc08471a60 R08: 00007ffc08472a60 R09: 00000000ffffffff [ 24.681070][ T305] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc08472ad0 [ 24.689222][ T305] R13: 000055555d158720 R14: 00007ffc08472ad0 R15: 0000000000000001 [ 24.697538][ T305] [ 24.700557][ T305] Modules linked in: [ 24.704551][ T305] CR2: 0000000000000170 [ 24.708809][ T305] ---[ end trace 0000000000000000 ]--- [ 24.714455][ T305] RIP: 0010:ihold+0x26/0x60 [ 24.719218][ T305] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 21 16 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 f0 a3 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 11 [ 24.739713][ T305] RSP: 0018:ffffc90000e17ba0 EFLAGS: 00010246 [ 24.746274][ T305] RAX: ffff88810e3d6500 RBX: 0000000000000000 RCX: ffff88810e3d6540 [ 24.754871][ T305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.763034][ T305] RBP: ffffc90000e17bb0 R08: ffffffff87b767e7 R09: 1ffffffff0f6ecfc [ 24.771064][ T305] R10: dffffc0000000000 R11: fffffbfff0f6ecfd R12: ffff88810be79b04 [ 24.779271][ T305] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 [ 24.787486][ T305] FS: 000055555d1573c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.796613][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.803644][ T305] CR2: 0000000000000170 CR3: 00000001237d0000 CR4: 00000000003506a0 [ 24.812936][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.824337][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.832934][ T305] Kernel panic - not syncing: Fatal exception [ 24.839553][ T305] Kernel Offset: disabled [ 24.844160][ T305] Rebooting in 86400 seconds..