./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1506258134 <...> [ 7.068889][ T28] audit: type=1400 audit(1745207936.641:27): avc: denied { create } for pid=124 comm="dbus-daemon" name="messagebus.pid" scontext=system_u:system_r:system_dbusd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.075772][ T28] audit: type=1400 audit(1745207936.641:28): avc: denied { write open } for pid=124 comm="dbus-daemon" path="/run/messagebus.pid" dev="tmpfs" ino=413 scontext=system_u:system_r:system_dbusd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.082144][ T28] audit: type=1400 audit(1745207936.641:29): avc: denied { getattr } for pid=124 comm="dbus-daemon" path="/run/messagebus.pid" dev="tmpfs" ino=413 scontext=system_u:system_r:system_dbusd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.255755][ T28] audit: type=1400 audit(1745207936.861:30): avc: denied { search } for pid=138 comm="dhcpcd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 15.188688][ T28] kauditd_printk_skb: 30 callbacks suppressed [ 15.188705][ T28] audit: type=1400 audit(1745207944.801:61): avc: denied { transition } for pid=227 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.199872][ T28] audit: type=1400 audit(1745207944.801:62): avc: denied { noatsecure } for pid=227 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.206561][ T28] audit: type=1400 audit(1745207944.801:63): avc: denied { write } for pid=227 comm="sh" path="pipe:[14381]" dev="pipefs" ino=14381 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 15.226827][ T28] audit: type=1400 audit(1745207944.801:64): avc: denied { rlimitinh } for pid=227 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.245770][ T28] audit: type=1400 audit(1745207944.801:65): avc: denied { siginh } for pid=227 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.12' (ED25519) to the list of known hosts. execve("./syz-executor1506258134", ["./syz-executor1506258134"], 0x7ffdd21a2450 /* 10 vars */) = 0 brk(NULL) = 0x55557a3f4000 brk(0x55557a3f4d00) = 0x55557a3f4d00 arch_prctl(ARCH_SET_FS, 0x55557a3f4380) = 0 set_tid_address(0x55557a3f4650) = 296 set_robust_list(0x55557a3f4660, 24) = 0 rseq(0x55557a3f4ca0, 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-executor1506258134", 4096) = 28 getrandom("\x06\xb4\x9a\x76\xfa\x9d\xad\xce", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a3f4d00 brk(0x55557a415d00) = 0x55557a415d00 brk(0x55557a416000) = 0x55557a416000 mprotect(0x7faa18957000, 16384, 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 mkdir("./syzkaller.HpRRVQ", 0700) = 0 chmod("./syzkaller.HpRRVQ", 0777) = 0 chdir("./syzkaller.HpRRVQ") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557a3f4650) = 297 ./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x55557a3f4660, 24) = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] getppid() = 0 [pid 297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 297] unshare(CLONE_NEWNS) = 0 [pid 297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 297] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 297] unshare(CLONE_NEWCGROUP) = 0 [pid 297] unshare(CLONE_NEWUTS) = 0 [pid 297] unshare(CLONE_SYSVSEM) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] getpid() = 1 [pid 297] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55557a3f56f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(4, 0x55557a3fd730 /* 2 entries */, 32768) = 48 [pid 297] getdents64(4, 0x55557a3fd730 /* 0 entries */, 32768) = 0 [pid 297] close(4) = 0 [pid 297] rmdir("./0/.incomplete") = 0 [pid 297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(4, 0x55557a3fd730 /* 2 entries */, 32768) = 48 [pid 297] getdents64(4, 0x55557a3fd730 /* 0 entries */, 32768) = 0 [pid 297] close(4) = 0 [pid 297] rmdir("./0/.index") = 0 [ 24.880767][ T298] incfs: ino conflict with backing FS 9 [ 24.889237][ T28] audit: type=1400 audit(1745207954.431:70): avc: denied { mounton } for pid=297 comm="syz-executor150" path="/root/syzkaller.HpRRVQ/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 [ 24.920022][ T28] audit: type=1400 audit(1745207954.431:71): avc: denied { mount } for pid=297 comm="syz-executor150" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 24.920206][ T297] ------------[ cut here ]------------ [ 24.941825][ T28] audit: type=1400 audit(1745207954.431:72): avc: denied { mounton } for pid=297 comm="syz-executor150" path="/root/syzkaller.HpRRVQ/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 [ 24.941856][ T28] audit: type=1400 audit(1745207954.431:73): avc: denied { mounton } for pid=297 comm="syz-executor150" path="/root/syzkaller.HpRRVQ/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=15486 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 24.947652][ T297] WARNING: CPU: 0 PID: 297 at fs/inode.c:332 drop_nlink+0xc1/0x110 [ 24.974608][ T28] audit: type=1400 audit(1745207954.441:74): avc: denied { unmount } for pid=297 comm="syz-executor150" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 25.001964][ T297] Modules linked in: [ 25.001995][ T297] CPU: 0 PID: 297 Comm: syz-executor150 Not tainted 6.1.129-syzkaller-00014-gbc3d1d352ab6 #0 [ 25.002020][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 25.010430][ T28] audit: type=1400 audit(1745207954.441:75): avc: denied { mounton } for pid=297 comm="syz-executor150" path="/dev/gadgetfs" dev="devtmpfs" ino=528 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 25.029577][ T297] RIP: 0010:drop_nlink+0xc1/0x110 [ 25.029625][ T297] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 27 fe ef ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 bf 4d a8 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c [ 25.114895][ T297] RSP: 0018:ffffc90000ef7b30 EFLAGS: 00010293 [ 25.120950][ T297] RAX: ffffffff81cceb31 RBX: 0000000000000000 RCX: ffff888110dd5100 [ 25.128835][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.138000][ T297] RBP: ffffc90000ef7b58 R08: ffffffff81cceab4 R09: 0000000000000003 [ 25.146750][ T297] R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000 [ 25.155446][ T297] R13: 1ffff11024b99276 R14: ffff888125cc9368 R15: ffff888125cc93b0 [ 25.163231][ T297] FS: 000055557a3f4380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.172880][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.180612][ T297] CR2: 000055557a405738 CR3: 000000012572e000 CR4: 00000000003506b0 [ 25.190985][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.200793][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.211504][ T297] Call Trace: [ 25.214971][ T297] [ 25.222479][ T297] ? show_regs+0x58/0x60 [ 25.230387][ T297] ? __warn+0x160/0x3d0 [ 25.236136][ T297] ? drop_nlink+0xc1/0x110 [ 25.241054][ T297] ? report_bug+0x4d5/0x7d0 [ 25.246838][ T297] ? drop_nlink+0xc1/0x110 [ 25.251823][ T297] ? handle_bug+0x41/0x70 [ 25.256121][ T297] ? exc_invalid_op+0x1b/0x50 [ 25.260664][ T297] ? asm_exc_invalid_op+0x1b/0x20 [ 25.265565][ T297] ? drop_nlink+0x44/0x110 [ 25.270035][ T297] ? drop_nlink+0xc1/0x110 [ 25.274335][ T297] ? drop_nlink+0xc1/0x110 [ 25.278799][ T297] shmem_rmdir+0x59/0x90 [ 25.282940][ T297] vfs_rmdir+0x398/0x500 [ 25.287292][ T297] incfs_kill_sb+0x113/0x230 [ 25.291837][ T297] deactivate_locked_super+0xad/0x110 [ 25.297223][ T297] deactivate_super+0xbe/0xf0 [ 25.302145][ T297] cleanup_mnt+0x485/0x510 [ 25.306897][ T297] __cleanup_mnt+0x19/0x20 [ 25.311224][ T297] task_work_run+0x24d/0x2e0 [ 25.316025][ T297] ? task_work_cancel+0x2e0/0x2e0 [ 25.321539][ T297] ptrace_notify+0x29e/0x350 [ 25.326468][ T297] ? do_notify_parent+0xa20/0xa20 [ 25.331873][ T297] ? user_path_at_empty+0x14e/0x1a0 [ 25.342426][ T297] ? __x64_sys_umount+0x122/0x170 [ 25.348085][ T297] ? path_umount+0xe70/0xe70 [ 25.354589][ T297] syscall_exit_to_user_mode+0x99/0x130 [ 25.360293][ T297] do_syscall_64+0x47/0x80 [ 25.364552][ T297] ? clear_bhb_loop+0x55/0xb0 [ 25.369308][ T297] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 25.375115][ T297] RIP: 0033:0x7faa188e4a87 [ 25.379461][ T297] 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 [ 25.399525][ T297] RSP: 002b:00007fff3b9825c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 25.408787][ T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007faa188e4a87 [ 25.417359][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff3b982680 [ 25.426270][ T297] RBP: 00007fff3b982680 R08: 0000000000000000 R09: 0000000000000000 [ 25.434744][ T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff3b9836f0 [ 25.442715][ T297] R13: 000055557a3f56c0 R14: 00007fff3b9836f0 R15: 0000000000000001 [ 25.450514][ T297] [ 25.453336][ T297] ---[ end trace 0000000000000000 ]--- [ 25.459350][ T297] ================================================================== [ 25.467407][ T297] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 [ 25.473486][ T297] Write of size 4 at addr 0000000000000170 by task syz-executor150/297 [ 25.481557][ T297] [ 25.483731][ T297] CPU: 0 PID: 297 Comm: syz-executor150 Tainted: G W 6.1.129-syzkaller-00014-gbc3d1d352ab6 #0 [ 25.495185][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 25.506626][ T297] Call Trace: [ 25.510196][ T297] [ 25.513979][ T297] dump_stack_lvl+0x151/0x1b7 [ 25.519678][ T297] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 25.525270][ T297] ? _printk+0xd1/0x111 [ 25.529856][ T297] print_report+0xe1/0x4e0 [ 25.535706][ T297] ? __virt_addr_valid+0x59/0x2f0 [ 25.542055][ T297] ? kasan_addr_to_slab+0xd/0x80 [ 25.548656][ T297] ? ihold+0x20/0x60 [ 25.552370][ T297] kasan_report+0x13c/0x170 [ 25.557324][ T297] ? ihold+0x20/0x60 [ 25.562700][ T297] kasan_check_range+0x294/0x2a0 [ 25.569211][ T297] __kasan_check_write+0x14/0x20 [ 25.574151][ T297] ihold+0x20/0x60 [ 25.577712][ T297] vfs_rmdir+0x268/0x500 [ 25.581794][ T297] incfs_kill_sb+0x113/0x230 [ 25.586209][ T297] deactivate_locked_super+0xad/0x110 [ 25.591435][ T297] deactivate_super+0xbe/0xf0 [ 25.595988][ T297] cleanup_mnt+0x485/0x510 [ 25.600245][ T297] __cleanup_mnt+0x19/0x20 [ 25.604892][ T297] task_work_run+0x24d/0x2e0 [ 25.609300][ T297] ? task_work_cancel+0x2e0/0x2e0 [ 25.614283][ T297] ptrace_notify+0x29e/0x350 [ 25.618710][ T297] ? do_notify_parent+0xa20/0xa20 [ 25.623567][ T297] ? user_path_at_empty+0x14e/0x1a0 [ 25.628599][ T297] ? __x64_sys_umount+0x122/0x170 [ 25.633638][ T297] ? path_umount+0xe70/0xe70 [ 25.638055][ T297] syscall_exit_to_user_mode+0x99/0x130 [ 25.643447][ T297] do_syscall_64+0x47/0x80 [ 25.647691][ T297] ? clear_bhb_loop+0x55/0xb0 [ 25.652289][ T297] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 25.658124][ T297] RIP: 0033:0x7faa188e4a87 [ 25.662377][ T297] 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 [ 25.681923][ T297] RSP: 002b:00007fff3b9825c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 25.690161][ T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007faa188e4a87 [ 25.698154][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff3b982680 [ 25.705967][ T297] RBP: 00007fff3b982680 R08: 0000000000000000 R09: 0000000000000000 [ 25.714632][ T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff3b9836f0 [ 25.722647][ T297] R13: 000055557a3f56c0 R14: 00007fff3b9836f0 R15: 0000000000000001 [ 25.731296][ T297] [ 25.734287][ T297] ================================================================== [ 25.742257][ T297] Disabling lock debugging due to kernel taint [ 25.748395][ T297] BUG: kernel NULL pointer dereference, address: 0000000000000170 [ 25.756110][ T297] #PF: supervisor write access in kernel mode [ 25.762152][ T297] #PF: error_code(0x0002) - not-present page [ 25.767994][ T297] PGD 0 P4D 0 [ 25.771205][ T297] Oops: 0002 [#1] PREEMPT SMP KASAN [ 25.776232][ T297] CPU: 0 PID: 297 Comm: syz-executor150 Tainted: G B W 6.1.129-syzkaller-00014-gbc3d1d352ab6 #0 [ 25.787685][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 25.797600][ T297] RIP: 0010:ihold+0x25/0x60 [ 25.802037][ T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 91 45 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 d0 f5 ef ff bb 01 00 00 00 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 14 49 a8 [ 25.821472][ T297] RSP: 0018:ffffc90000ef7b70 EFLAGS: 00010246 [ 25.827366][ T297] RAX: ffff888110dd5100 RBX: 0000000000000001 RCX: ffff888110dd5100 [ 25.835182][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.842992][ T297] RBP: ffffc90000ef7b80 R08: ffffffff81448a83 R09: fffffbfff0f6e8fd [ 25.850804][ T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11024b99014 [ 25.858618][ T297] R13: ffff88810bdaa110 R14: 0000000000000000 R15: 1ffff110217b5428 [ 25.866430][ T297] FS: 000055557a3f4380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.875202][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.881616][ T297] CR2: 0000000000000170 CR3: 000000012572e000 CR4: 00000000003506b0 [ 25.889534][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.897904][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.906051][ T297] Call Trace: [ 25.909176][ T297] [ 25.911953][ T297] ? __die_body+0x62/0xb0 [ 25.916117][ T297] ? __die+0x7e/0x90 [ 25.920131][ T297] ? page_fault_oops+0x7f9/0xa90 [ 25.924912][ T297] ? vprintk_default+0x26/0x30 [ 25.929497][ T297] ? kernelmode_fixup_or_oops+0xd0/0xd0 [ 25.934881][ T297] ? add_taint+0x44/0xe0 [ 25.938968][ T297] ? panic+0x667/0x667 [ 25.942868][ T297] ? preempt_schedule_thunk+0x16/0x18 [ 25.948189][ T297] ? exc_page_fault+0x529/0x6d0 [ 25.952866][ T297] ? asm_exc_page_fault+0x27/0x30 [ 25.957823][ T297] ? add_taint+0x93/0xe0 [ 25.961894][ T297] ? ihold+0x25/0x60 [ 25.965622][ T297] vfs_rmdir+0x268/0x500 [ 25.969708][ T297] incfs_kill_sb+0x113/0x230 [ 25.974131][ T297] deactivate_locked_super+0xad/0x110 [ 25.979347][ T297] deactivate_super+0xbe/0xf0 [ 25.983851][ T297] cleanup_mnt+0x485/0x510 [ 25.988101][ T297] __cleanup_mnt+0x19/0x20 [ 25.992355][ T297] task_work_run+0x24d/0x2e0 [ 25.996797][ T297] ? task_work_cancel+0x2e0/0x2e0 [ 26.001646][ T297] ptrace_notify+0x29e/0x350 [ 26.006071][ T297] ? do_notify_parent+0xa20/0xa20 [ 26.011201][ T297] ? user_path_at_empty+0x14e/0x1a0 [ 26.016231][ T297] ? __x64_sys_umount+0x122/0x170 [ 26.021090][ T297] ? path_umount+0xe70/0xe70 [ 26.025516][ T297] syscall_exit_to_user_mode+0x99/0x130 [ 26.030982][ T297] do_syscall_64+0x47/0x80 [ 26.035240][ T297] ? clear_bhb_loop+0x55/0xb0 [ 26.039745][ T297] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 26.045475][ T297] RIP: 0033:0x7faa188e4a87 [ 26.049727][ T297] 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 [ 26.069187][ T297] RSP: 002b:00007fff3b9825c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 26.077562][ T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007faa188e4a87 [ 26.086881][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff3b982680 [ 26.094849][ T297] RBP: 00007fff3b982680 R08: 0000000000000000 R09: 0000000000000000 [ 26.103293][ T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff3b9836f0 [ 26.111296][ T297] R13: 000055557a3f56c0 R14: 00007fff3b9836f0 R15: 0000000000000001 [ 26.119748][ T297] [ 26.122782][ T297] Modules linked in: [ 26.126754][ T297] CR2: 0000000000000170 [ 26.130971][ T297] ---[ end trace 0000000000000000 ]--- [ 26.136838][ T297] RIP: 0010:ihold+0x25/0x60 [ 26.141672][ T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 91 45 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 d0 f5 ef ff bb 01 00 00 00 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 14 49 a8 [ 26.162137][ T297] RSP: 0018:ffffc90000ef7b70 EFLAGS: 00010246 [ 26.168101][ T297] RAX: ffff888110dd5100 RBX: 0000000000000001 RCX: ffff888110dd5100 [ 26.176322][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.184413][ T297] RBP: ffffc90000ef7b80 R08: ffffffff81448a83 R09: fffffbfff0f6e8fd [ 26.192736][ T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11024b99014 [ 26.201681][ T297] R13: ffff88810bdaa110 R14: 0000000000000000 R15: 1ffff110217b5428 [ 26.209545][ T297] FS: 000055557a3f4380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.219220][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.226435][ T297] CR2: 0000000000000170 CR3: 000000012572e000 CR4: 00000000003506b0 [ 26.234673][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.243836][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.253466][ T297] Kernel panic - not syncing: Fatal exception [ 26.260742][ T297] Kernel Offset: disabled [ 26.267436][ T297] Rebooting in 86400 seconds..