./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3634481587 <...> Warning: Permanently added '10.128.10.2' (ED25519) to the list of known hosts. execve("./syz-executor3634481587", ["./syz-executor3634481587"], 0x7ffd9f690390 /* 10 vars */) = 0 brk(NULL) = 0x55555a834000 brk(0x55555a834e00) = 0x55555a834e00 arch_prctl(ARCH_SET_FS, 0x55555a834480) = 0 set_tid_address(0x55555a834750) = 5816 set_robust_list(0x55555a834760, 24) = 0 rseq(0x55555a834da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3634481587", 4096) = 28 getrandom("\x8a\x17\x02\xd6\x7e\x6d\x87\x03", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a834e00 brk(0x55555a855e00) = 0x55555a855e00 brk(0x55555a856000) = 0x55555a856000 mprotect(0x7fcdb81df000, 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 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=0x7fcdb8121c20, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fcdb812a5c0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fcdb8121c20, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fcdb812a5c0}, NULL, 8) = 0 executing program write(1, "executing program\n", 18) = 18 futex(0x7fcdb81e55ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fcdb817f720, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcdb812a5c0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcdb80f1000 mprotect(0x7fcdb80f2000, 131072, PROT_READ|PROT_WRITE) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcdb8111990, parent_tid=0x7fcdb8111990, exit_signal=0, stack=0x7fcdb80f1000, stack_size=0x20240, tls=0x7fcdb81116c0}./strace-static-x86_64: Process 5817 attached [pid 5817] rseq(0x7fcdb8111fe0, 0x20, 0, 0x53053053 [pid 5816] <... clone3 resumed> => {parent_tid=[5817]}, 88) = 5817 [pid 5817] <... rseq resumed>) = 0 [pid 5817] set_robust_list(0x7fcdb81119a0, 24) = 0 [pid 5817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5817] futex(0x7fcdb81e55e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5816] futex(0x7fcdb81e55e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5817] <... futex resumed>) = 0 [pid 5816] futex(0x7fcdb81e55ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5817] memfd_create("syzkaller", 0) = 3 [pid 5817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcdafc00000 [pid 5817] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5817] munmap(0x7fcdafc00000, 138412032) = 0 [pid 5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5817] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5817] close(3) = 0 [pid 5817] close(4) = 0 [pid 5817] mkdir("./file1", 0777) = 0 [ 63.155266][ T5817] loop0: detected capacity change from 0 to 32768 [pid 5817] mount("/dev/loop0", "./file1", "ocfs2", MS_I_VERSION|MS_LAZYTIME, "localalloc=18446744073709551608,resv_level=00000000000000000002,heartbeat=none,coherency=buffered,er"...) = 0 [pid 5817] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5817] chdir("./file1") = 0 [pid 5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5817] futex(0x7fcdb81e55ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = 0 [pid 5817] <... futex resumed>) = 1 [pid 5816] futex(0x7fcdb81e55e8, FUTEX_WAKE_PRIVATE, 1000000 [ 63.221245][ T5817] JBD2: Ignoring recovery information on journal [ 63.247969][ T5817] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5817] mkdirat(AT_FDCWD, "./file0", 000 [pid 5816] <... futex resumed>) = 0 [pid 5816] futex(0x7fcdb81e55ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... mkdirat resumed>) = 0 [pid 5817] futex(0x7fcdb81e55ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = 0 [pid 5817] <... futex resumed>) = 1 [pid 5816] futex(0x7fcdb81e55e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] mkdir("./file2", 0777 [pid 5816] <... futex resumed>) = 0 [pid 5816] futex(0x7fcdb81e55ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... mkdir resumed>) = 0 [pid 5817] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5817] futex(0x7fcdb81e55ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = 0 [pid 5817] <... futex resumed>) = 1 [pid 5816] futex(0x7fcdb81e55e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5817] mount(NULL, "./file0", "overlay", 0, "workdir=./file0,lowerdir=.,upperdir=./file2,metacopy=on,," [ 63.318838][ T5817] overlayfs: upper fs does not support tmpfile. [ 63.328109][ T5817] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 63.335787][ T5817] [ 63.338116][ T5817] ====================================================== [ 63.345222][ T5817] WARNING: possible circular locking dependency detected [ 63.352227][ T5817] 6.13.0-rc1-syzkaller-00005-gceb8bf2ceaa7 #0 Not tainted [ 63.359310][ T5817] ------------------------------------------------------ [ 63.366315][ T5817] syz-executor363/5817 is trying to acquire lock: [ 63.372702][ T5817] ffff888073d4c2c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 63.386197][ T5817] [ 63.386197][ T5817] but task is already holding lock: [ 63.393536][ T5817] ffff888073d16ab8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 63.403079][ T5817] [ 63.403079][ T5817] which lock already depends on the new lock. [ 63.403079][ T5817] [ 63.413475][ T5817] [ 63.413475][ T5817] the existing dependency chain (in reverse order) is: [ 63.422480][ T5817] [ 63.422480][ T5817] -> #4 (&oi->ip_xattr_sem){+.+.}-{4:4}: [ 63.430285][ T5817] lock_acquire+0x1ed/0x550 [ 63.435304][ T5817] down_write+0x99/0x220 [ 63.440067][ T5817] ocfs2_xattr_set_handle+0x539/0xa10 [ 63.446045][ T5817] ocfs2_init_security_set+0xbd/0xd0 [ 63.451831][ T5817] ocfs2_mknod+0x1ccf/0x2b30 [ 63.456925][ T5817] ocfs2_mkdir+0x1ab/0x470 [ 63.461843][ T5817] vfs_mkdir+0x2f9/0x4f0 [ 63.466590][ T5817] do_mkdirat+0x264/0x3a0 [ 63.471425][ T5817] __x64_sys_mkdirat+0x87/0xa0 [ 63.476696][ T5817] do_syscall_64+0xf3/0x230 [ 63.481729][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.488130][ T5817] [ 63.488130][ T5817] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 63.495427][ T5817] lock_acquire+0x1ed/0x550 [ 63.500433][ T5817] start_this_handle+0x1eb4/0x2110 [ 63.506047][ T5817] jbd2__journal_start+0x2da/0x5d0 [ 63.511663][ T5817] jbd2_journal_start+0x29/0x40 [ 63.517023][ T5817] ocfs2_start_trans+0x3c9/0x700 [ 63.522462][ T5817] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 63.528857][ T5817] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 63.535711][ T5817] ocfs2_mknod+0x143a/0x2b30 [ 63.540807][ T5817] ocfs2_mkdir+0x1ab/0x470 [ 63.545733][ T5817] vfs_mkdir+0x2f9/0x4f0 [ 63.550481][ T5817] do_mkdirat+0x264/0x3a0 [ 63.555317][ T5817] __x64_sys_mkdirat+0x87/0xa0 [ 63.560672][ T5817] do_syscall_64+0xf3/0x230 [ 63.565717][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.572145][ T5817] [ 63.572145][ T5817] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 63.580660][ T5817] lock_acquire+0x1ed/0x550 [ 63.585685][ T5817] down_read+0xb1/0xa40 [ 63.590364][ T5817] ocfs2_start_trans+0x3be/0x700 [ 63.595805][ T5817] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 63.602222][ T5817] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 63.609051][ T5817] ocfs2_mknod+0x143a/0x2b30 [ 63.614172][ T5817] ocfs2_mkdir+0x1ab/0x470 [ 63.619112][ T5817] vfs_mkdir+0x2f9/0x4f0 [ 63.623884][ T5817] do_mkdirat+0x264/0x3a0 [ 63.628734][ T5817] __x64_sys_mkdirat+0x87/0xa0 [ 63.634032][ T5817] do_syscall_64+0xf3/0x230 [ 63.639078][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.645491][ T5817] [ 63.645491][ T5817] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 63.652949][ T5817] lock_acquire+0x1ed/0x550 [ 63.657981][ T5817] ocfs2_start_trans+0x2b9/0x700 [ 63.663427][ T5817] ocfs2_mknod+0x150c/0x2b30 [ 63.668523][ T5817] ocfs2_mkdir+0x1ab/0x470 [ 63.673443][ T5817] vfs_mkdir+0x2f9/0x4f0 [ 63.678207][ T5817] do_mkdirat+0x264/0x3a0 [ 63.683041][ T5817] __x64_sys_mkdirat+0x87/0xa0 [ 63.688330][ T5817] do_syscall_64+0xf3/0x230 [ 63.693344][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.699761][ T5817] [ 63.699761][ T5817] -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}: [ 63.710534][ T5817] validate_chain+0x18ef/0x5920 [ 63.715924][ T5817] __lock_acquire+0x1397/0x2100 [ 63.721289][ T5817] lock_acquire+0x1ed/0x550 [ 63.726300][ T5817] down_write+0x99/0x220 [ 63.731079][ T5817] ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 63.737742][ T5817] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 63.744577][ T5817] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 63.750723][ T5817] ocfs2_xattr_set+0xf4e/0x1930 [ 63.756077][ T5817] __vfs_setxattr+0x468/0x4a0 [ 63.761255][ T5817] __vfs_setxattr_noperm+0x12e/0x660 [ 63.767047][ T5817] vfs_setxattr+0x221/0x430 [ 63.772166][ T5817] ovl_get_workdir+0xd90/0x1920 [ 63.777536][ T5817] ovl_fill_super+0x12a8/0x3560 [ 63.782890][ T5817] get_tree_nodev+0xb7/0x140 [ 63.787998][ T5817] vfs_get_tree+0x90/0x2b0 [ 63.793113][ T5817] do_new_mount+0x2be/0xb40 [ 63.798135][ T5817] __se_sys_mount+0x2d6/0x3c0 [ 63.803947][ T5817] do_syscall_64+0xf3/0x230 [ 63.809085][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.815504][ T5817] [ 63.815504][ T5817] other info that might help us debug this: [ 63.815504][ T5817] [ 63.825734][ T5817] Chain exists of: [ 63.825734][ T5817] &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5 --> jbd2_handle --> &oi->ip_xattr_sem [ 63.825734][ T5817] [ 63.841502][ T5817] Possible unsafe locking scenario: [ 63.841502][ T5817] [ 63.848942][ T5817] CPU0 CPU1 [ 63.854287][ T5817] ---- ---- [ 63.859683][ T5817] lock(&oi->ip_xattr_sem); [ 63.864268][ T5817] lock(jbd2_handle); [ 63.870926][ T5817] lock(&oi->ip_xattr_sem); [ 63.878105][ T5817] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); [ 63.885397][ T5817] [ 63.885397][ T5817] *** DEADLOCK *** [ 63.885397][ T5817] [ 63.893575][ T5817] 4 locks held by syz-executor363/5817: [ 63.899128][ T5817] #0: ffff88807d5c00e0 (&type->s_umount_key#43/1){+.+.}-{4:4}, at: alloc_super+0x221/0x9d0 [ 63.909241][ T5817] #1: ffff88807adc2420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 63.918363][ T5817] #2: ffff888073d16d80 (&sb->s_type->i_mutex_key#16){++++}-{4:4}, at: vfs_setxattr+0x1e1/0x430 [ 63.928791][ T5817] #3: ffff888073d16ab8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 63.938955][ T5817] [ 63.938955][ T5817] stack backtrace: [ 63.944945][ T5817] CPU: 0 UID: 0 PID: 5817 Comm: syz-executor363 Not tainted 6.13.0-rc1-syzkaller-00005-gceb8bf2ceaa7 #0 [ 63.956204][ T5817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.966253][ T5817] Call Trace: [ 63.969523][ T5817] [ 63.972437][ T5817] dump_stack_lvl+0x241/0x360 [ 63.977122][ T5817] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.982313][ T5817] ? __pfx__printk+0x10/0x10 [ 63.986900][ T5817] print_circular_bug+0x13a/0x1b0 [ 63.991914][ T5817] check_noncircular+0x36a/0x4a0 [ 63.996838][ T5817] ? __pfx_check_noncircular+0x10/0x10 [ 64.002285][ T5817] ? lockdep_lock+0x123/0x2b0 [ 64.006946][ T5817] validate_chain+0x18ef/0x5920 [ 64.011804][ T5817] ? __pfx_validate_chain+0x10/0x10 [ 64.016988][ T5817] ? __pfx_validate_chain+0x10/0x10 [ 64.022214][ T5817] ? mark_lock+0x9a/0x360 [ 64.026547][ T5817] ? ocfs2_get_system_file_inode+0x1d4/0x7b0 [ 64.032513][ T5817] ? __pfx_lock_release+0x10/0x10 [ 64.037522][ T5817] ? mark_lock+0x9a/0x360 [ 64.041838][ T5817] __lock_acquire+0x1397/0x2100 [ 64.046685][ T5817] lock_acquire+0x1ed/0x550 [ 64.051171][ T5817] ? ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 64.057485][ T5817] ? __pfx_lock_acquire+0x10/0x10 [ 64.062510][ T5817] ? __pfx___might_resched+0x10/0x10 [ 64.067811][ T5817] ? __pfx_ocfs2_get_system_file_inode+0x10/0x10 [ 64.074125][ T5817] ? __pfx_validate_chain+0x10/0x10 [ 64.079310][ T5817] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 64.085286][ T5817] down_write+0x99/0x220 [ 64.089546][ T5817] ? ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 64.095879][ T5817] ? __pfx_down_write+0x10/0x10 [ 64.100811][ T5817] ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 64.106952][ T5817] ? mark_lock+0x9a/0x360 [ 64.111264][ T5817] ? __lock_acquire+0x1397/0x2100 [ 64.116275][ T5817] ? __pfx_ocfs2_reserve_local_alloc_bits+0x10/0x10 [ 64.122850][ T5817] ? __pfx_lock_acquire+0x10/0x10 [ 64.127858][ T5817] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 64.133944][ T5817] ? __pfx_lock_release+0x10/0x10 [ 64.138977][ T5817] ? do_raw_spin_lock+0x14f/0x370 [ 64.144007][ T5817] ? do_raw_spin_unlock+0x13c/0x8b0 [ 64.149201][ T5817] ? _raw_spin_unlock+0x28/0x50 [ 64.154044][ T5817] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 64.160106][ T5817] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 64.166464][ T5817] ? __pfx_ocfs2_reserve_clusters_with_limit+0x10/0x10 [ 64.173313][ T5817] ? __pfx_ocfs2_calc_xattr_set_need+0x10/0x10 [ 64.179548][ T5817] ? ocfs2_xattr_set+0xf00/0x1930 [ 64.184581][ T5817] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 64.190234][ T5817] ? __pfx_ocfs2_init_xattr_set_ctxt+0x10/0x10 [ 64.196488][ T5817] ? up_write+0x1a9/0x590 [ 64.200839][ T5817] ? __pfx_ocfs2_truncate_log_needs_flush+0x10/0x10 [ 64.207582][ T5817] ? __pfx_up_write+0x10/0x10 [ 64.212440][ T5817] ? __kmalloc_cache_noprof+0x243/0x390 [ 64.218096][ T5817] ? ocfs2_xattr_set+0x4d5/0x1930 [ 64.223123][ T5817] ocfs2_xattr_set+0xf4e/0x1930 [ 64.227965][ T5817] ? __pfx_ocfs2_xattr_set+0x10/0x10 [ 64.233240][ T5817] ? _prb_read_valid+0xa39/0xac0 [ 64.238204][ T5817] ? mark_lock+0x9a/0x360 [ 64.242529][ T5817] ? smk_tskacc+0x300/0x370 [ 64.247025][ T5817] ? posix_xattr_acl+0xa9/0xd0 [ 64.251786][ T5817] ? evm_protect_xattr+0x4be/0xb30 [ 64.256878][ T5817] ? __pfx_ocfs2_xattr_trusted_set+0x10/0x10 [ 64.262845][ T5817] __vfs_setxattr+0x468/0x4a0 [ 64.267523][ T5817] __vfs_setxattr_noperm+0x12e/0x660 [ 64.272796][ T5817] vfs_setxattr+0x221/0x430 [ 64.277285][ T5817] ? __pfx_vfs_setxattr+0x10/0x10 [ 64.282311][ T5817] ? _raw_spin_unlock+0x28/0x50 [ 64.287597][ T5817] ? dput+0x37/0x2b0 [ 64.291505][ T5817] ovl_get_workdir+0xd90/0x1920 [ 64.296360][ T5817] ? __pfx_ovl_get_workdir+0x10/0x10 [ 64.301637][ T5817] ? ovl_inuse_trylock+0xab/0xf0 [ 64.306563][ T5817] ? do_raw_spin_lock+0x14f/0x370 [ 64.311578][ T5817] ? _raw_spin_unlock+0x28/0x50 [ 64.316413][ T5817] ? ovl_inuse_trylock+0xab/0xf0 [ 64.321338][ T5817] ovl_fill_super+0x12a8/0x3560 [ 64.326173][ T5817] ? __pfx___mutex_trylock_common+0x10/0x10 [ 64.332068][ T5817] ? shrinker_register+0x118/0x230 [ 64.337269][ T5817] ? __pfx_lock_release+0x10/0x10 [ 64.342383][ T5817] ? __pfx_ovl_fill_super+0x10/0x10 [ 64.347576][ T5817] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 64.353373][ T5817] ? __pfx___mutex_lock+0x10/0x10 [ 64.358386][ T5817] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 64.364359][ T5817] ? sget_fc+0x909/0x9c0 [ 64.368588][ T5817] ? __pfx_set_anon_super_fc+0x10/0x10 [ 64.374031][ T5817] ? __pfx_ovl_fill_super+0x10/0x10 [ 64.379213][ T5817] get_tree_nodev+0xb7/0x140 [ 64.383806][ T5817] vfs_get_tree+0x90/0x2b0 [ 64.388209][ T5817] do_new_mount+0x2be/0xb40 [ 64.392703][ T5817] ? __pfx_do_new_mount+0x10/0x10 [ 64.397711][ T5817] __se_sys_mount+0x2d6/0x3c0 [ 64.402369][ T5817] ? __pfx___se_sys_mount+0x10/0x10 [ 64.407558][ T5817] ? do_syscall_64+0x100/0x230 [ 64.412309][ T5817] ? __x64_sys_mount+0x20/0xc0 [ 64.417073][ T5817] do_syscall_64+0xf3/0x230 [ 64.421587][ T5817] ? clear_bhb_loop+0x35/0x90 [ 64.426322][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.432379][ T5817] RIP: 0033:0x7fcdb8159ae9 [ 64.436891][ T5817] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 64.456493][ T5817] RSP: 002b:00007fcdb8111168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.464892][ T5817] RAX: ffffffffffffffda RBX: 00007fcdb81e55e8 RCX: 00007fcdb8159ae9 [pid 5816] futex(0x7fcdb81e55ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5817] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5817] futex(0x7fcdb81e55ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5817] futex(0x7fcdb81e55e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] exit_group(0) = ? [pid 5817] <... futex resumed>) = ? [pid 5817] +++ exited with 0 +++ +++ exited with 0 +++ [ 64.472861][ T58