./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3613461341 <...> [ 15.063782][ T24] audit: type=1400 audit(1730610531.129:62): avc: denied { noatsecure } for pid=235 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.066562][ T24] audit: type=1400 audit(1730610531.129:63): avc: denied { write } for pid=235 comm="sh" path="pipe:[13926]" dev="pipefs" ino=13926 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 15.069792][ T24] audit: type=1400 audit(1730610531.129:64): avc: denied { rlimitinh } for pid=235 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.072271][ T24] audit: type=1400 audit(1730610531.129:65): avc: denied { siginh } for pid=235 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.33' (ED25519) to the list of known hosts. execve("./syz-executor3613461341", ["./syz-executor3613461341"], 0x7ffc6b48b850 /* 10 vars */) = 0 brk(NULL) = 0x55556786c000 brk(0x55556786cd00) = 0x55556786cd00 arch_prctl(ARCH_SET_FS, 0x55556786c380) = 0 set_tid_address(0x55556786c650) = 291 set_robust_list(0x55556786c660, 24) = 0 rseq(0x55556786cca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3613461341", 4096) = 28 getrandom("\x51\x83\x11\xd0\xba\x24\x69\x7b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556786cd00 brk(0x55556788dd00) = 0x55556788dd00 brk(0x55556788e000) = 0x55556788e000 mprotect(0x7f3a5d22f000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("./syzkaller.gaNzGn", 0700) = 0 chmod("./syzkaller.gaNzGn", 0777) = 0 chdir("./syzkaller.gaNzGn") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556786c650) = 292 ./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x55556786c660, 24) = 0 [pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 292] getppid() = 0 [pid 292] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 292] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 292] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 292] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 292] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 292] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 292] unshare(CLONE_NEWNS) = 0 [pid 292] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 292] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 292] unshare(CLONE_NEWCGROUP) = 0 [pid 292] unshare(CLONE_NEWUTS) = 0 [pid 292] unshare(CLONE_SYSVSEM) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 292] getpid() = 1 [pid 292] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 292] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 292] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 292] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0 [pid 292] getdents64(3, 0x55556786d6f0 /* 4 entries */, 32768) = 112 [pid 292] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 292] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|000, st_size=100, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 292] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 292] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 292] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 292] getdents64(4, 0x555567875730 /* 5 entries */, 32768) = 144 [pid 292] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 292] newfstatat(AT_FDCWD, "./0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 292] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 292] openat(AT_FDCWD, "./0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 292] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 292] getdents64(5, 0x55556787d770 /* 2 entries */, 32768) = 48 [pid 292] getdents64(5, 0x55556787d770 /* 0 entries */, 32768) = 0 [pid 292] close(5) = 0 [pid 292] rmdir("./0/file0/.incomplete") = 0 [pid 292] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 292] newfstatat(AT_FDCWD, "./0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 292] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 292] openat(AT_FDCWD, "./0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 292] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 292] getdents64(5, 0x55556787d770 /* 2 entries */, 32768) = 48 [pid 292] getdents64(5, 0x55556787d770 /* 0 entries */, 32768) = 0 [pid 292] close(5) = 0 [pid 292] rmdir("./0/file0/.index") = 0 [ 24.184872][ T24] audit: type=1400 audit(1730610540.249:68): avc: denied { mounton } for pid=292 comm="syz-executor361" path="/root/syzkaller.gaNzGn/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.209037][ T24] audit: type=1400 audit(1730610540.249:69): avc: denied { mount } for pid=292 comm="syz-executor361" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 24.230889][ T24] audit: type=1400 audit(1730610540.249:70): avc: denied { mounton } for pid=292 comm="syz-executor361" path="/root/syzkaller.gaNzGn/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 [ 24.256024][ T24] audit: type=1400 audit(1730610540.249:71): avc: denied { mount } for pid=292 comm="syz-executor361" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 24.256307][ T292] ------------[ cut here ]------------ [ 24.277680][ T24] audit: type=1400 audit(1730610540.259:72): avc: denied { mounton } for pid=292 comm="syz-executor361" path="/root/syzkaller.gaNzGn/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 [ 24.282943][ T292] WARNING: CPU: 0 PID: 292 at fs/inode.c:304 drop_nlink+0xc1/0x110 [ 24.309456][ T24] audit: type=1400 audit(1730610540.259:73): avc: denied { mounton } for pid=292 comm="syz-executor361" path="/root/syzkaller.gaNzGn/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14053 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 24.317596][ T292] Modules linked in: [ 24.344525][ T24] audit: type=1400 audit(1730610540.259:74): avc: denied { unmount } for pid=292 comm="syz-executor361" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 24.348522][ T292] CPU: 0 PID: 292 Comm: syz-executor361 Not tainted 5.10.226-syzkaller #0 [ 24.367687][ T24] audit: type=1400 audit(1730610540.279:75): avc: denied { mounton } for pid=292 comm="syz-executor361" path="/dev/binderfs" dev="devtmpfs" ino=509 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 24.376085][ T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 24.408673][ T292] RIP: 0010:drop_nlink+0xc1/0x110 [ 24.413507][ T292] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 a7 cc f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 af 30 b3 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c [ 24.432968][ T292] RSP: 0018:ffffc90000b47be8 EFLAGS: 00010293 [ 24.438852][ T292] RAX: ffffffff81b77c41 RBX: 0000000000000000 RCX: ffff88810c104f00 [ 24.446644][ T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.454486][ T292] RBP: ffffc90000b47c10 R08: ffffffff81b77bc4 R09: 0000000000000003 [ 24.462298][ T292] R10: fffff52000168f6c R11: dffffc0000000001 R12: dffffc0000000000 [ 24.470101][ T292] R13: 1ffff110234b5755 R14: ffff88811a5aba60 R15: ffff88811a5abaa8 [ 24.477905][ T292] FS: 000055556786c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.486656][ T292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.493103][ T292] CR2: 0000563ae52db768 CR3: 000000010a913000 CR4: 00000000003506b0 [ 24.500910][ T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.508735][ T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.516514][ T292] Call Trace: [ 24.519684][ T292] ? show_regs+0x58/0x60 [ 24.523722][ T292] ? __warn+0x160/0x2f0 [ 24.527759][ T292] ? drop_nlink+0xc1/0x110 [ 24.531967][ T292] ? report_bug+0x3d9/0x5b0 [ 24.536304][ T292] ? drop_nlink+0xc1/0x110 [ 24.540583][ T292] ? handle_bug+0x41/0x70 [ 24.544724][ T292] ? exc_invalid_op+0x1b/0x50 [ 24.549259][ T292] ? asm_exc_invalid_op+0x12/0x20 [ 24.554098][ T292] ? drop_nlink+0x44/0x110 [ 24.558371][ T292] ? drop_nlink+0xc1/0x110 [ 24.562602][ T292] ? drop_nlink+0xc1/0x110 [ 24.566889][ T292] ? drop_nlink+0xc1/0x110 [ 24.571111][ T292] shmem_rmdir+0x59/0x90 [ 24.575187][ T292] vfs_rmdir+0x2b7/0x3f0 [ 24.579305][ T292] incfs_kill_sb+0x108/0x220 [ 24.583694][ T292] deactivate_locked_super+0xad/0x110 [ 24.588927][ T292] deactivate_super+0xbe/0xf0 [ 24.593415][ T292] cleanup_mnt+0x45c/0x510 [ 24.597694][ T292] __cleanup_mnt+0x19/0x20 [ 24.601923][ T292] task_work_run+0x129/0x190 [ 24.606345][ T292] ptrace_notify+0x29e/0x350 [ 24.610805][ T292] ? do_notify_parent+0xa10/0xa10 [ 24.615635][ T292] ? user_path_at_empty+0x40/0x50 [ 24.620520][ T292] ? __x64_sys_umount+0x122/0x170 [ 24.625356][ T292] ? path_umount+0xea0/0xea0 [ 24.629825][ T292] syscall_exit_to_user_mode+0xf5/0x1a0 [ 24.635162][ T292] do_syscall_64+0x40/0x70 [ 24.639448][ T292] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.645144][ T292] RIP: 0033:0x7f3a5d1bca07 [ 24.649424][ T292] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 24.668852][ T292] RSP: 002b:00007ffed54041b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 24.677102][ T292] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3a5d1bca07 [ 24.684892][ T292] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffed5404270 [ 24.692726][ T292] RBP: 00007ffed5404270 R08: 0000000000000000 R09: 0000000000000000 [ 24.700534][ T292] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffed5405360 [ 24.708343][ T292] R13: 0000555567875700 R14: 00007ffed54063d0 R15: 0000000000000001 [ 24.716137][ T292] ---[ end trace 5a706f4ad469dbff ]--- [ 24.721498][ T292] ================================================================== [ 24.729335][ T292] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 [ 24.735403][ T292] Write of size 4 at addr 0000000000000170 by task syz-executor361/292 [ 24.743469][ T292] [ 24.745645][ T292] CPU: 0 PID: 292 Comm: syz-executor361 Tainted: G W 5.10.226-syzkaller #0 [ 24.755364][ T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 24.765255][ T292] Call Trace: [ 24.768391][ T292] dump_stack_lvl+0x1e2/0x24b [ 24.772899][ T292] ? panic+0x812/0x812 [ 24.776803][ T292] ? bfq_pos_tree_add_move+0x43b/0x43b [ 24.782100][ T292] ? _raw_spin_lock+0xa4/0x1b0 [ 24.786697][ T292] ? _raw_spin_trylock_bh+0x190/0x190 [ 24.791906][ T292] kasan_report+0x167/0x1c0 [ 24.796249][ T292] ? ihold+0x20/0x60 [ 24.799976][ T292] ? ihold+0x20/0x60 [ 24.803726][ T292] kasan_check_range+0x293/0x2a0 [ 24.808481][ T292] __kasan_check_write+0x14/0x20 [ 24.813254][ T292] ihold+0x20/0x60 [ 24.816815][ T292] vfs_rmdir+0x200/0x3f0 [ 24.820895][ T292] incfs_kill_sb+0x108/0x220 [ 24.825322][ T292] deactivate_locked_super+0xad/0x110 [ 24.830526][ T292] deactivate_super+0xbe/0xf0 [ 24.835043][ T292] cleanup_mnt+0x45c/0x510 [ 24.839294][ T292] __cleanup_mnt+0x19/0x20 [ 24.843552][ T292] task_work_run+0x129/0x190 [ 24.847979][ T292] ptrace_notify+0x29e/0x350 [ 24.852427][ T292] ? do_notify_parent+0xa10/0xa10 [ 24.857271][ T292] ? user_path_at_empty+0x40/0x50 [ 24.862126][ T292] ? __x64_sys_umount+0x122/0x170 [ 24.866986][ T292] ? path_umount+0xea0/0xea0 [ 24.871412][ T292] syscall_exit_to_user_mode+0xf5/0x1a0 [ 24.876796][ T292] do_syscall_64+0x40/0x70 [ 24.881045][ T292] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.886770][ T292] RIP: 0033:0x7f3a5d1bca07 [ 24.891029][ T292] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 24.910475][ T292] RSP: 002b:00007ffed54041b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 24.918710][ T292] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3a5d1bca07 [ 24.926521][ T292] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffed5404270 [ 24.934332][ T292] RBP: 00007ffed5404270 R08: 0000000000000000 R09: 0000000000000000 [ 24.942143][ T292] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffed5405360 [ 24.949954][ T292] R13: 0000555567875700 R14: 00007ffed54063d0 R15: 0000000000000001 [ 24.957769][ T292] ================================================================== [ 24.965662][ T292] Disabling lock debugging due to kernel taint [ 24.971782][ T292] BUG: kernel NULL pointer dereference, address: 0000000000000170 [ 24.979298][ T292] #PF: supervisor write access in kernel mode [ 24.985193][ T292] #PF: error_code(0x0002) - not-present page [ 24.991008][ T292] PGD 0 P4D 0 [ 24.994225][ T292] Oops: 0002 [#1] PREEMPT SMP KASAN [ 24.999257][ T292] CPU: 0 PID: 292 Comm: syz-executor361 Tainted: G B W 5.10.226-syzkaller #0 [ 25.008972][ T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 25.018877][ T292] RIP: 0010:ihold+0x25/0x60 [ 25.023212][ T292] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 28 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 90 c4 f0 ff bb 01 00 00 00 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 44 2c b3 [ 25.042652][ T292] RSP: 0018:ffffc90000b47c28 EFLAGS: 00010246 [ 25.048554][ T292] RAX: ffff88810c104f00 RBX: 0000000000000001 RCX: ffff88810c104f00 [ 25.056359][ T292] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff [ 25.064175][ T292] RBP: ffffc90000b47c38 R08: ffffffff813e2a7b R09: 0000000000000003 [ 25.071989][ T292] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000 [ 25.079797][ T292] R13: ffff888109237cc0 R14: 0000000000000000 R15: 0000000000000000 [ 25.087608][ T292] FS: 000055556786c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 25.096375][ T292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.102794][ T292] CR2: 0000000000000170 CR3: 000000010a913000 CR4: 00000000003506b0 [ 25.110608][ T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.118419][ T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.126224][ T292] Call Trace: [ 25.129361][ T292] ? __die_body+0x62/0xb0 [ 25.133524][ T292] ? __die+0x7e/0x90 [ 25.137253][ T292] ? no_context+0x9f9/0xd20 [ 25.141595][ T292] ? is_prefetch+0x5c0/0x5c0 [ 25.146019][ T292] ? preempt_schedule+0xd9/0xe0 [ 25.150709][ T292] ? __kasan_check_read+0x11/0x20 [ 25.155564][ T292] ? preempt_schedule_common+0xbe/0xf0 [ 25.160876][ T292] ? preempt_schedule+0xd9/0xe0 [ 25.165562][ T292] ? schedule_preempt_disabled+0x20/0x20 [ 25.171018][ T292] ? sysvec_apic_timer_interrupt+0xcb/0xe0 [ 25.176663][ T292] ? __bad_area_nosemaphore+0xc4/0x430 [ 25.181957][ T292] ? bad_area_nosemaphore+0x2d/0x40 [ 25.186990][ T292] ? exc_page_fault+0x3df/0x5b0 [ 25.191678][ T292] ? asm_exc_page_fault+0x1e/0x30 [ 25.196537][ T292] ? check_panic_on_warn+0x5b/0xb0 [ 25.201482][ T292] ? ihold+0x25/0x60 [ 25.205213][ T292] ? ihold+0x20/0x60 [ 25.208947][ T292] vfs_rmdir+0x200/0x3f0 [ 25.213024][ T292] incfs_kill_sb+0x108/0x220 [ 25.217451][ T292] deactivate_locked_super+0xad/0x110 [ 25.222660][ T292] deactivate_super+0xbe/0xf0 [ 25.227174][ T292] cleanup_mnt+0x45c/0x510 [ 25.231426][ T292] __cleanup_mnt+0x19/0x20 [ 25.235676][ T292] task_work_run+0x129/0x190 [ 25.240103][ T292] ptrace_notify+0x29e/0x350 [ 25.244527][ T292] ? do_notify_parent+0xa10/0xa10 [ 25.249390][ T292] ? user_path_at_empty+0x40/0x50 [ 25.254250][ T292] ? __x64_sys_umount+0x122/0x170 [ 25.259111][ T292] ? path_umount+0xea0/0xea0 [ 25.263536][ T292] syscall_exit_to_user_mode+0xf5/0x1a0 [ 25.268916][ T292] do_syscall_64+0x40/0x70 [ 25.273173][ T292] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.278897][ T292] RIP: 0033:0x7f3a5d1bca07 [ 25.283152][ T292] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 25.302600][ T292] RSP: 002b:00007ffed54041b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 25.310846][ T292] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3a5d1bca07 [ 25.318646][ T292] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffed5404270 [ 25.326461][ T292] RBP: 00007ffed5404270 R08: 0000000000000000 R09: 0000000000000000 [ 25.334275][ T292] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffed5405360 [ 25.342085][ T292] R13: 0000555567875700 R14: 00007ffed54063d0 R15: 0000000000000001 [ 25.349908][ T292] Modules linked in: [ 25.353643][ T292] CR2: 0000000000000170 [ 25.357629][ T292] ---[ end trace 5a706f4ad469dc00 ]--- [ 25.362927][ T292] RIP: 0010:ihold+0x25/0x60 [ 25.367254][ T292] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 28 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 90 c4 f0 ff bb 01 00 00 00 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 44 2c b3 [ 25.386692][ T292] RSP: 0018:ffffc90000b47c28 EFLAGS: 00010246 [ 25.392596][ T292] RAX: ffff88810c104f00 RBX: 0000000000000001 RCX: ffff88810c104f00 [ 25.400408][ T292] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff [ 25.408217][ T292] RBP: ffffc90000b47c38 R08: ffffffff813e2a7b R09: 0000000000000003 [ 25.416029][ T292] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000 [ 25.423838][ T292] R13: ffff888109237cc0 R14: 0000000000000000 R15: 0000000000000000 [ 25.431653][ T292] FS: 000055556786c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 25.440414][ T292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.446837][ T292] CR2: 0000000000000170 CR3: 000000010a913000 CR4: 00000000003506b0 [ 25.454659][ T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.462723][ T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.470533][ T292] Kernel panic - not syncing: Fatal exception [ 25.476622][ T292] Kernel Offset: disabled [ 25.480743][ T292] Rebooting in 86400 seconds..