./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4084762502 <...> Warning: Permanently added '10.128.1.84' (ED25519) to the list of known hosts. execve("./syz-executor4084762502", ["./syz-executor4084762502"], 0x7fff3a5046a0 /* 10 vars */) = 0 brk(NULL) = 0x555582bb5000 brk(0x555582bb5d00) = 0x555582bb5d00 arch_prctl(ARCH_SET_FS, 0x555582bb5380) = 0 set_tid_address(0x555582bb5650) = 5819 set_robust_list(0x555582bb5660, 24) = 0 rseq(0x555582bb5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4084762502", 4096) = 28 getrandom("\xb9\xe1\x07\xca\xaa\x17\x27\x45", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555582bb5d00 brk(0x555582bd6d00) = 0x555582bd6d00 brk(0x555582bd7000) = 0x555582bd7000 mprotect(0x7fd488556000, 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 write(1, "executing program\n", 18executing program ) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd480000000 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 munmap(0x7fd480000000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file1", 0777) = 0 [ 66.197630][ T5819] loop0: detected capacity change from 0 to 32768 [ 66.241730][ T5819] ======================================================= [ 66.241730][ T5819] WARNING: The mand mount option has been deprecated and [ 66.241730][ T5819] and is ignored by this kernel. Remove the mand [ 66.241730][ T5819] option from the mount to silence this warning. [ 66.241730][ T5819] ======================================================= mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,dir_resv_level=00000000000000000003,resv_level=00000000000000000006,coherency=ful"...) = 0 openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 chdir("./file1") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 66.291479][ T5819] JBD2: Ignoring recovery information on journal [ 66.317293][ T5819] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. mkdir("./file0", 000) = 0 mkdirat(AT_FDCWD, "./file1", 000) = 0 mkdir("./bus", 000) = 0 [ 66.417298][ T5819] overlayfs: upper fs does not support tmpfile. [ 66.426442][ T5819] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 66.434203][ T5819] [ 66.436535][ T5819] ====================================================== [ 66.443541][ T5819] WARNING: possible circular locking dependency detected [ 66.450568][ T5819] 6.13.0-rc6-syzkaller-00051-geea6e4b4dfb8 #0 Not tainted [ 66.457674][ T5819] ------------------------------------------------------ [ 66.465124][ T5819] syz-executor408/5819 is trying to acquire lock: [ 66.471518][ T5819] ffff888071802640 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 66.485107][ T5819] [ 66.485107][ T5819] but task is already holding lock: [ 66.492618][ T5819] ffff888071804e38 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 66.502617][ T5819] [ 66.502617][ T5819] which lock already depends on the new lock. [ 66.502617][ T5819] [ 66.513102][ T5819] [ 66.513102][ T5819] the existing dependency chain (in reverse order) is: [ 66.522109][ T5819] [ 66.522109][ T5819] -> #4 (&oi->ip_xattr_sem){+.+.}-{4:4}: [ 66.529909][ T5819] lock_acquire+0x1ed/0x550 [ 66.534923][ T5819] down_write+0x99/0x220 [ 66.539698][ T5819] ocfs2_xattr_set_handle+0x539/0xa10 [ 66.545574][ T5819] ocfs2_init_security_set+0xbd/0xd0 [ 66.551360][ T5819] ocfs2_mknod+0x1ccf/0x2b30 [ 66.556538][ T5819] ocfs2_mkdir+0x1ab/0x470 [ 66.561473][ T5819] vfs_mkdir+0x2f9/0x4f0 [ 66.566249][ T5819] do_mkdirat+0x264/0x3a0 [ 66.571112][ T5819] __x64_sys_mkdir+0x6c/0x80 [ 66.576260][ T5819] do_syscall_64+0xf3/0x230 [ 66.581277][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.587682][ T5819] [ 66.587682][ T5819] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 66.594960][ T5819] lock_acquire+0x1ed/0x550 [ 66.600058][ T5819] start_this_handle+0x1eb4/0x2110 [ 66.605687][ T5819] jbd2__journal_start+0x2da/0x5d0 [ 66.611302][ T5819] jbd2_journal_start+0x29/0x40 [ 66.616656][ T5819] ocfs2_start_trans+0x3c9/0x700 [ 66.622098][ T5819] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 66.628583][ T5819] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 66.635411][ T5819] ocfs2_mknod+0x143a/0x2b30 [ 66.640505][ T5819] ocfs2_mkdir+0x1ab/0x470 [ 66.645432][ T5819] vfs_mkdir+0x2f9/0x4f0 [ 66.650196][ T5819] do_mkdirat+0x264/0x3a0 [ 66.655040][ T5819] __x64_sys_mkdir+0x6c/0x80 [ 66.660144][ T5819] do_syscall_64+0xf3/0x230 [ 66.665155][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.671579][ T5819] [ 66.671579][ T5819] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 66.680160][ T5819] lock_acquire+0x1ed/0x550 [ 66.685167][ T5819] down_read+0xb1/0xa40 [ 66.689921][ T5819] ocfs2_start_trans+0x3be/0x700 [ 66.695379][ T5819] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 66.701907][ T5819] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 66.708798][ T5819] ocfs2_mknod+0x143a/0x2b30 [ 66.713912][ T5819] ocfs2_mkdir+0x1ab/0x470 [ 66.718940][ T5819] vfs_mkdir+0x2f9/0x4f0 [ 66.723767][ T5819] do_mkdirat+0x264/0x3a0 [ 66.728642][ T5819] __x64_sys_mkdir+0x6c/0x80 [ 66.733953][ T5819] do_syscall_64+0xf3/0x230 [ 66.738981][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.745563][ T5819] [ 66.745563][ T5819] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 66.753021][ T5819] lock_acquire+0x1ed/0x550 [ 66.758117][ T5819] ocfs2_start_trans+0x2b9/0x700 [ 66.763565][ T5819] ocfs2_mknod+0x150c/0x2b30 [ 66.768833][ T5819] ocfs2_mkdir+0x1ab/0x470 [ 66.773749][ T5819] vfs_mkdir+0x2f9/0x4f0 [ 66.778494][ T5819] do_mkdirat+0x264/0x3a0 [ 66.783338][ T5819] __x64_sys_mkdir+0x6c/0x80 [ 66.788429][ T5819] do_syscall_64+0xf3/0x230 [ 66.793453][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.799851][ T5819] [ 66.799851][ T5819] -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}: [ 66.810344][ T5819] validate_chain+0x18ef/0x5920 [ 66.815695][ T5819] __lock_acquire+0x1397/0x2100 [ 66.821079][ T5819] lock_acquire+0x1ed/0x550 [ 66.826100][ T5819] down_write+0x99/0x220 [ 66.830940][ T5819] ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 66.837595][ T5819] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 66.844426][ T5819] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 66.850561][ T5819] ocfs2_xattr_set+0xf4e/0x1930 [ 66.855913][ T5819] __vfs_setxattr+0x468/0x4a0 [ 66.861088][ T5819] __vfs_setxattr_noperm+0x12e/0x660 [ 66.866876][ T5819] vfs_setxattr+0x221/0x430 [ 66.871884][ T5819] ovl_get_workdir+0xd90/0x1920 [ 66.877291][ T5819] ovl_fill_super+0x12a8/0x3560 [ 66.882645][ T5819] get_tree_nodev+0xb7/0x140 [ 66.887832][ T5819] vfs_get_tree+0x90/0x2b0 [ 66.892750][ T5819] do_new_mount+0x2be/0xb40 [ 66.897755][ T5819] __se_sys_mount+0x2d6/0x3c0 [ 66.903014][ T5819] do_syscall_64+0xf3/0x230 [ 66.908029][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.914425][ T5819] [ 66.914425][ T5819] other info that might help us debug this: [ 66.914425][ T5819] [ 66.924624][ T5819] Chain exists of: [ 66.924624][ T5819] &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5 --> jbd2_handle --> &oi->ip_xattr_sem [ 66.924624][ T5819] [ 66.940360][ T5819] Possible unsafe locking scenario: [ 66.940360][ T5819] [ 66.947900][ T5819] CPU0 CPU1 [ 66.953255][ T5819] ---- ---- [ 66.958690][ T5819] lock(&oi->ip_xattr_sem); [ 66.963314][ T5819] lock(jbd2_handle); [ 66.969923][ T5819] lock(&oi->ip_xattr_sem); [ 66.977255][ T5819] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); [ 66.984648][ T5819] [ 66.984648][ T5819] *** DEADLOCK *** [ 66.984648][ T5819] [ 66.992806][ T5819] 4 locks held by syz-executor408/5819: [ 66.998344][ T5819] #0: ffff8880792d40e0 (&type->s_umount_key#43/1){+.+.}-{4:4}, at: alloc_super+0x221/0x9d0 [ 67.008601][ T5819] #1: ffff88807c632420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 67.017738][ T5819] #2: ffff888071805100 (&sb->s_type->i_mutex_key#16){++++}-{4:4}, at: vfs_setxattr+0x1e1/0x430 [ 67.028161][ T5819] #3: ffff888071804e38 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 67.038280][ T5819] [ 67.038280][ T5819] stack backtrace: [ 67.044171][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor408 Not tainted 6.13.0-rc6-syzkaller-00051-geea6e4b4dfb8 #0 [ 67.055367][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 67.065538][ T5819] Call Trace: [ 67.068816][ T5819] [ 67.071739][ T5819] dump_stack_lvl+0x241/0x360 [ 67.076499][ T5819] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.081696][ T5819] ? __pfx__printk+0x10/0x10 [ 67.086282][ T5819] print_circular_bug+0x13a/0x1b0 [ 67.091323][ T5819] check_noncircular+0x36a/0x4a0 [ 67.096349][ T5819] ? __pfx_check_noncircular+0x10/0x10 [ 67.101810][ T5819] ? lockdep_lock+0x123/0x2b0 [ 67.106570][ T5819] validate_chain+0x18ef/0x5920 [ 67.111409][ T5819] ? __pfx_validate_chain+0x10/0x10 [ 67.116611][ T5819] ? __pfx_validate_chain+0x10/0x10 [ 67.121799][ T5819] ? mark_lock+0x9a/0x360 [ 67.126121][ T5819] ? ocfs2_get_system_file_inode+0x1d4/0x7b0 [ 67.132097][ T5819] ? __pfx_lock_release+0x10/0x10 [ 67.137107][ T5819] ? mark_lock+0x9a/0x360 [ 67.141434][ T5819] __lock_acquire+0x1397/0x2100 [ 67.146283][ T5819] lock_acquire+0x1ed/0x550 [ 67.150772][ T5819] ? ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 67.157088][ T5819] ? __pfx_lock_acquire+0x10/0x10 [ 67.162131][ T5819] ? __pfx___might_resched+0x10/0x10 [ 67.167581][ T5819] ? __pfx_ocfs2_get_system_file_inode+0x10/0x10 [ 67.173949][ T5819] ? __pfx_validate_chain+0x10/0x10 [ 67.179134][ T5819] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.185103][ T5819] down_write+0x99/0x220 [ 67.189347][ T5819] ? ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 67.195663][ T5819] ? __pfx_down_write+0x10/0x10 [ 67.200504][ T5819] ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 67.206911][ T5819] ? mark_lock+0x9a/0x360 [ 67.211256][ T5819] ? __lock_acquire+0x1397/0x2100 [ 67.216270][ T5819] ? __pfx_ocfs2_reserve_local_alloc_bits+0x10/0x10 [ 67.222936][ T5819] ? __pfx_lock_acquire+0x10/0x10 [ 67.227947][ T5819] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 67.234005][ T5819] ? __pfx_lock_release+0x10/0x10 [ 67.239015][ T5819] ? do_raw_spin_lock+0x14f/0x370 [ 67.244073][ T5819] ? do_raw_spin_unlock+0x13c/0x8b0 [ 67.249277][ T5819] ? _raw_spin_unlock+0x28/0x50 [ 67.254115][ T5819] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 67.260175][ T5819] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 67.266494][ T5819] ? __pfx_ocfs2_reserve_clusters_with_limit+0x10/0x10 [ 67.273337][ T5819] ? __pfx_ocfs2_calc_xattr_set_need+0x10/0x10 [ 67.279684][ T5819] ? ocfs2_xattr_set+0xf00/0x1930 [ 67.284701][ T5819] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 67.290333][ T5819] ? __pfx_ocfs2_init_xattr_set_ctxt+0x10/0x10 [ 67.296481][ T5819] ? up_write+0x1a9/0x590 [ 67.300832][ T5819] ? __pfx_ocfs2_truncate_log_needs_flush+0x10/0x10 [ 67.307409][ T5819] ? __pfx_up_write+0x10/0x10 [ 67.312076][ T5819] ? __kmalloc_cache_noprof+0x243/0x390 [ 67.317731][ T5819] ? ocfs2_xattr_set+0x4d5/0x1930 [ 67.322746][ T5819] ocfs2_xattr_set+0xf4e/0x1930 [ 67.327593][ T5819] ? __pfx_ocfs2_xattr_set+0x10/0x10 [ 67.332868][ T5819] ? __schedule+0x1803/0x4be0 [ 67.337627][ T5819] ? mark_lock+0x9a/0x360 [ 67.341950][ T5819] ? smk_tskacc+0x300/0x370 [ 67.346446][ T5819] ? posix_xattr_acl+0xa9/0xd0 [ 67.351362][ T5819] ? evm_protect_xattr+0x4be/0xb30 [ 67.356548][ T5819] ? __pfx_ocfs2_xattr_trusted_set+0x10/0x10 [ 67.362525][ T5819] __vfs_setxattr+0x468/0x4a0 [ 67.367318][ T5819] __vfs_setxattr_noperm+0x12e/0x660 [ 67.372683][ T5819] vfs_setxattr+0x221/0x430 [ 67.377181][ T5819] ? __pfx_vfs_setxattr+0x10/0x10 [ 67.382196][ T5819] ? _raw_spin_unlock+0x28/0x50 [ 67.387040][ T5819] ? dput+0x37/0x2b0 [ 67.391016][ T5819] ovl_get_workdir+0xd90/0x1920 [ 67.395862][ T5819] ? __pfx_ovl_get_workdir+0x10/0x10 [ 67.401318][ T5819] ? ovl_inuse_trylock+0xab/0xf0 [ 67.406257][ T5819] ? do_raw_spin_lock+0x14f/0x370 [ 67.411283][ T5819] ? _raw_spin_unlock+0x28/0x50 [ 67.416122][ T5819] ? ovl_inuse_trylock+0xab/0xf0 [ 67.421047][ T5819] ovl_fill_super+0x12a8/0x3560 [ 67.425889][ T5819] ? __pfx___mutex_trylock_common+0x10/0x10 [ 67.431772][ T5819] ? shrinker_register+0x118/0x230 [ 67.436875][ T5819] ? __pfx_lock_release+0x10/0x10 [ 67.441891][ T5819] ? __pfx_ovl_fill_super+0x10/0x10 [ 67.447087][ T5819] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 67.452878][ T5819] ? __pfx___mutex_lock+0x10/0x10 [ 67.457893][ T5819] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 67.463876][ T5819] ? sget_fc+0x909/0x9c0 [ 67.468115][ T5819] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.473562][ T5819] ? __pfx_ovl_fill_super+0x10/0x10 [ 67.478745][ T5819] get_tree_nodev+0xb7/0x140 [ 67.483326][ T5819] vfs_get_tree+0x90/0x2b0 [ 67.487730][ T5819] do_new_mount+0x2be/0xb40 [ 67.492252][ T5819] ? __pfx_do_new_mount+0x10/0x10 [ 67.497291][ T5819] __se_sys_mount+0x2d6/0x3c0 [ 67.501975][ T5819] ? __pfx___se_sys_mount+0x10/0x10 [ 67.507181][ T5819] ? do_syscall_64+0x100/0x230 [ 67.511952][ T5819] ? __x64_sys_mount+0x20/0xc0 [ 67.516706][ T5819] do_syscall_64+0xf3/0x230 [ 67.521216][ T5819] ? clear_bhb_loop+0x35/0x90 [ 67.525881][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.531791][ T5819] RIP: 0033:0x7fd4884df779 [ 67.536213][ T5819] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 b8 ff ff ff f7 d8 64 89 01 48 [ 67.555810][ T5819] RSP: 002b:00007ffe5847bd68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.564215][ T5819] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fd4884df779 mount(NULL, "./bus", "overlay", 0, "upperdir=./file1,lowerdir=./file0,workdir=./bus,") = -1 EINVAL (Invalid argument) exit_group(0) = ? +++ exited with 0 +++ [ 67.