./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1594859484 <...> Warning: Permanently added '10.128.0.24' (ED25519) to the list of known hosts. execve("./syz-executor1594859484", ["./syz-executor1594859484"], 0x7ffe584cbbc0 /* 10 vars */) = 0 brk(NULL) = 0x55558a688000 brk(0x55558a688d00) = 0x55558a688d00 arch_prctl(ARCH_SET_FS, 0x55558a688380) = 0 set_tid_address(0x55558a688650) = 5818 set_robust_list(0x55558a688660, 24) = 0 rseq(0x55558a688ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1594859484", 4096) = 28 getrandom("\x80\x4b\xfa\xae\x87\x18\xb7\x2c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558a688d00 brk(0x55558a6a9d00) = 0x55558a6a9d00 brk(0x55558a6aa000) = 0x55558a6aa000 mprotect(0x7f7e3e3f4000, 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) = 0x7f7e35e00000 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(0x7f7e35e00000, 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 [ 81.277670][ T5818] loop0: detected capacity change from 0 to 32768 [ 81.320324][ T5818] ======================================================= [ 81.320324][ T5818] WARNING: The mand mount option has been deprecated and [ 81.320324][ T5818] and is ignored by this kernel. Remove the mand [ 81.320324][ T5818] option from the mount to silence this warning. [ 81.320324][ T5818] ======================================================= mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,nouser_xattr,coherency=full,data=writeback,localalloc=00000000000000000001,acl,no"...) = 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) mkdir("./file1", 000) = 0 mkdir("./file0", 000) = 0 mkdir("./bus", 000) = 0 [ 81.389681][ T5818] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 81.448457][ T5818] overlayfs: upper fs does not support tmpfile. [ 81.457573][ T5818] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 81.465761][ T5818] [ 81.468121][ T5818] ====================================================== [ 81.475132][ T5818] WARNING: possible circular locking dependency detected [ 81.482162][ T5818] 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 Not tainted [ 81.489258][ T5818] ------------------------------------------------------ [ 81.496263][ T5818] syz-executor159/5818 is trying to acquire lock: [ 81.502687][ T5818] ffff888073cd5100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x192/0x4e70 [ 81.515954][ T5818] [ 81.515954][ T5818] but task is already holding lock: [ 81.523310][ T5818] ffff888073cb86f8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 81.532796][ T5818] [ 81.532796][ T5818] which lock already depends on the new lock. [ 81.532796][ T5818] [ 81.543190][ T5818] [ 81.543190][ T5818] the existing dependency chain (in reverse order) is: [ 81.552194][ T5818] [ 81.552194][ T5818] -> #4 (&oi->ip_xattr_sem){+.+.}-{4:4}: [ 81.560033][ T5818] lock_acquire+0x1ed/0x550 [ 81.565062][ T5818] down_write+0x99/0x220 [ 81.569833][ T5818] ocfs2_xattr_set_handle+0x539/0xa10 [ 81.575726][ T5818] ocfs2_init_security_set+0xbd/0xd0 [ 81.581544][ T5818] ocfs2_mknod+0x1ccf/0x2b30 [ 81.586696][ T5818] ocfs2_mkdir+0x1ab/0x470 [ 81.591641][ T5818] vfs_mkdir+0x2f9/0x4f0 [ 81.596407][ T5818] do_mkdirat+0x264/0x3a0 [ 81.601277][ T5818] __x64_sys_mkdir+0x6c/0x80 [ 81.606404][ T5818] do_syscall_64+0xf3/0x230 [ 81.611437][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.617856][ T5818] [ 81.617856][ T5818] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 81.625156][ T5818] lock_acquire+0x1ed/0x550 [ 81.630180][ T5818] start_this_handle+0x1eb4/0x2110 [ 81.635831][ T5818] jbd2__journal_start+0x2da/0x5d0 [ 81.641481][ T5818] jbd2_journal_start+0x29/0x40 [ 81.646940][ T5818] ocfs2_start_trans+0x3c9/0x700 [ 81.652398][ T5818] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 81.658809][ T5818] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 81.665654][ T5818] ocfs2_mknod+0x143a/0x2b30 [ 81.670757][ T5818] ocfs2_mkdir+0x1ab/0x470 [ 81.675686][ T5818] vfs_mkdir+0x2f9/0x4f0 [ 81.680467][ T5818] do_mkdirat+0x264/0x3a0 [ 81.685330][ T5818] __x64_sys_mkdir+0x6c/0x80 [ 81.690463][ T5818] do_syscall_64+0xf3/0x230 [ 81.695509][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.701945][ T5818] [ 81.701945][ T5818] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 81.710464][ T5818] lock_acquire+0x1ed/0x550 [ 81.715483][ T5818] down_read+0xb1/0xa40 [ 81.720185][ T5818] ocfs2_start_trans+0x3be/0x700 [ 81.725668][ T5818] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 81.732108][ T5818] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 81.738951][ T5818] ocfs2_mknod+0x143a/0x2b30 [ 81.744071][ T5818] ocfs2_mkdir+0x1ab/0x470 [ 81.749022][ T5818] vfs_mkdir+0x2f9/0x4f0 [ 81.753808][ T5818] do_mkdirat+0x264/0x3a0 [ 81.758657][ T5818] __x64_sys_mkdir+0x6c/0x80 [ 81.763768][ T5818] do_syscall_64+0xf3/0x230 [ 81.768813][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.775230][ T5818] [ 81.775230][ T5818] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 81.782710][ T5818] lock_acquire+0x1ed/0x550 [ 81.787764][ T5818] ocfs2_start_trans+0x2b9/0x700 [ 81.793230][ T5818] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 81.799644][ T5818] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 81.806492][ T5818] ocfs2_mknod+0x143a/0x2b30 [ 81.811604][ T5818] ocfs2_mkdir+0x1ab/0x470 [ 81.816540][ T5818] vfs_mkdir+0x2f9/0x4f0 [ 81.821312][ T5818] do_mkdirat+0x264/0x3a0 [ 81.826196][ T5818] __x64_sys_mkdir+0x6c/0x80 [ 81.831307][ T5818] do_syscall_64+0xf3/0x230 [ 81.836338][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.842811][ T5818] [ 81.842811][ T5818] -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{4:4}: [ 81.853351][ T5818] validate_chain+0x18ef/0x5920 [ 81.858729][ T5818] __lock_acquire+0x1397/0x2100 [ 81.864101][ T5818] lock_acquire+0x1ed/0x550 [ 81.869132][ T5818] down_write+0x99/0x220 [ 81.873891][ T5818] ocfs2_reserve_suballoc_bits+0x192/0x4e70 [ 81.880326][ T5818] ocfs2_reserve_clusters_with_limit+0x3dd/0xb60 [ 81.887174][ T5818] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 81.893336][ T5818] ocfs2_xattr_set+0xf4e/0x1930 [ 81.898713][ T5818] __vfs_setxattr+0x468/0x4a0 [ 81.903912][ T5818] __vfs_setxattr_noperm+0x12e/0x660 [ 81.909713][ T5818] vfs_setxattr+0x221/0x430 [ 81.914754][ T5818] ovl_get_workdir+0xd90/0x1920 [ 81.920128][ T5818] ovl_fill_super+0x12a8/0x3560 [ 81.925588][ T5818] get_tree_nodev+0xb7/0x140 [ 81.930694][ T5818] vfs_get_tree+0x90/0x2b0 [ 81.935629][ T5818] do_new_mount+0x2be/0xb40 [ 81.940654][ T5818] __se_sys_mount+0x2d6/0x3c0 [ 81.945857][ T5818] do_syscall_64+0xf3/0x230 [ 81.950902][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.957323][ T5818] [ 81.957323][ T5818] other info that might help us debug this: [ 81.957323][ T5818] [ 81.967542][ T5818] Chain exists of: [ 81.967542][ T5818] &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4 --> jbd2_handle --> &oi->ip_xattr_sem [ 81.967542][ T5818] [ 81.983279][ T5818] Possible unsafe locking scenario: [ 81.983279][ T5818] [ 81.990736][ T5818] CPU0 CPU1 [ 81.996117][ T5818] ---- ---- [ 82.001473][ T5818] lock(&oi->ip_xattr_sem); [ 82.006066][ T5818] lock(jbd2_handle); [ 82.012648][ T5818] lock(&oi->ip_xattr_sem); [ 82.019754][ T5818] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4); [ 82.027054][ T5818] [ 82.027054][ T5818] *** DEADLOCK *** [ 82.027054][ T5818] [ 82.035198][ T5818] 4 locks held by syz-executor159/5818: [ 82.040769][ T5818] #0: ffff888030e7a0e0 (&type->s_umount_key#43/1){+.+.}-{4:4}, at: alloc_super+0x221/0x9d0 [ 82.050913][ T5818] #1: ffff88807f2d8420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 82.060065][ T5818] #2: ffff888073cb89c0 (&sb->s_type->i_mutex_key#16){++++}-{4:4}, at: vfs_setxattr+0x1e1/0x430 [ 82.070522][ T5818] #3: ffff888073cb86f8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 82.080452][ T5818] [ 82.080452][ T5818] stack backtrace: [ 82.086351][ T5818] CPU: 0 UID: 0 PID: 5818 Comm: syz-executor159 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 [ 82.097459][ T5818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 82.107609][ T5818] Call Trace: [ 82.110883][ T5818] [ 82.113831][ T5818] dump_stack_lvl+0x241/0x360 [ 82.118509][ T5818] ? __pfx_dump_stack_lvl+0x10/0x10 [ 82.123702][ T5818] ? __pfx__printk+0x10/0x10 [ 82.128287][ T5818] print_circular_bug+0x13a/0x1b0 [ 82.133313][ T5818] check_noncircular+0x36a/0x4a0 [ 82.138274][ T5818] ? __pfx_check_noncircular+0x10/0x10 [ 82.143733][ T5818] ? lockdep_lock+0x123/0x2b0 [ 82.148409][ T5818] validate_chain+0x18ef/0x5920 [ 82.153266][ T5818] ? __pfx_validate_chain+0x10/0x10 [ 82.158479][ T5818] ? mark_lock+0x9a/0x360 [ 82.162830][ T5818] ? ocfs2_get_system_file_inode+0x1d4/0x7b0 [ 82.168816][ T5818] ? __pfx_lock_release+0x10/0x10 [ 82.173833][ T5818] ? mark_lock+0x9a/0x360 [ 82.178165][ T5818] __lock_acquire+0x1397/0x2100 [ 82.183037][ T5818] lock_acquire+0x1ed/0x550 [ 82.187533][ T5818] ? ocfs2_reserve_suballoc_bits+0x192/0x4e70 [ 82.193600][ T5818] ? __pfx_lock_acquire+0x10/0x10 [ 82.198618][ T5818] ? __pfx___might_resched+0x10/0x10 [ 82.203903][ T5818] ? __pfx_ocfs2_get_system_file_inode+0x10/0x10 [ 82.210225][ T5818] down_write+0x99/0x220 [ 82.214461][ T5818] ? ocfs2_reserve_suballoc_bits+0x192/0x4e70 [ 82.220526][ T5818] ? __pfx_down_write+0x10/0x10 [ 82.225388][ T5818] ocfs2_reserve_suballoc_bits+0x192/0x4e70 [ 82.231281][ T5818] ? __pfx_validate_chain+0x10/0x10 [ 82.236477][ T5818] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 82.242453][ T5818] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 82.248779][ T5818] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 82.254671][ T5818] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 82.261035][ T5818] ? __pfx_ocfs2_reserve_suballoc_bits+0x10/0x10 [ 82.267378][ T5818] ? mark_lock+0x9a/0x360 [ 82.271714][ T5818] ? __lock_acquire+0x1397/0x2100 [ 82.276742][ T5818] ? __pfx_lock_acquire+0x10/0x10 [ 82.281760][ T5818] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 82.287830][ T5818] ? __pfx_lock_release+0x10/0x10 [ 82.292859][ T5818] ? do_raw_spin_lock+0x14f/0x370 [ 82.297887][ T5818] ? do_raw_spin_unlock+0x13c/0x8b0 [ 82.303109][ T5818] ? _raw_spin_unlock+0x28/0x50 [ 82.307959][ T5818] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 82.314055][ T5818] ocfs2_reserve_clusters_with_limit+0x3dd/0xb60 [ 82.320383][ T5818] ? __pfx_ocfs2_reserve_clusters_with_limit+0x10/0x10 [ 82.327236][ T5818] ? __pfx_ocfs2_calc_xattr_set_need+0x10/0x10 [ 82.333395][ T5818] ? ocfs2_xattr_set+0xf00/0x1930 [ 82.338422][ T5818] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 82.344060][ T5818] ? __pfx_ocfs2_init_xattr_set_ctxt+0x10/0x10 [ 82.350218][ T5818] ? up_write+0x1a9/0x590 [ 82.354548][ T5818] ? __pfx_ocfs2_truncate_log_needs_flush+0x10/0x10 [ 82.361133][ T5818] ? __pfx_up_write+0x10/0x10 [ 82.365813][ T5818] ? __kmalloc_cache_noprof+0x243/0x390 [ 82.371351][ T5818] ? ocfs2_xattr_set+0x4d5/0x1930 [ 82.376375][ T5818] ocfs2_xattr_set+0xf4e/0x1930 [ 82.381240][ T5818] ? __pfx_ocfs2_xattr_set+0x10/0x10 [ 82.386525][ T5818] ? __schedule+0x1803/0x4be0 [ 82.391215][ T5818] ? mark_lock+0x9a/0x360 [ 82.395562][ T5818] ? smk_tskacc+0x300/0x370 [ 82.400078][ T5818] ? posix_xattr_acl+0xa9/0xd0 [ 82.404837][ T5818] ? evm_protect_xattr+0x4be/0xb30 [ 82.409960][ T5818] ? __pfx_ocfs2_xattr_trusted_set+0x10/0x10 [ 82.415962][ T5818] __vfs_setxattr+0x468/0x4a0 [ 82.420648][ T5818] __vfs_setxattr_noperm+0x12e/0x660 [ 82.425935][ T5818] vfs_setxattr+0x221/0x430 [ 82.430441][ T5818] ? __pfx_vfs_setxattr+0x10/0x10 [ 82.435466][ T5818] ? _raw_spin_unlock+0x28/0x50 [ 82.440314][ T5818] ? dput+0x37/0x2b0 [ 82.444198][ T5818] ovl_get_workdir+0xd90/0x1920 [ 82.449048][ T5818] ? __pfx_ovl_get_workdir+0x10/0x10 [ 82.454334][ T5818] ? ovl_inuse_trylock+0xab/0xf0 [ 82.459287][ T5818] ? do_raw_spin_lock+0x14f/0x370 [ 82.464315][ T5818] ? _raw_spin_unlock+0x28/0x50 [ 82.469179][ T5818] ? ovl_inuse_trylock+0xab/0xf0 [ 82.474115][ T5818] ovl_fill_super+0x12a8/0x3560 [ 82.478968][ T5818] ? __pfx___mutex_trylock_common+0x10/0x10 [ 82.484881][ T5818] ? shrinker_register+0x118/0x230 [ 82.489992][ T5818] ? __pfx_lock_release+0x10/0x10 [ 82.495020][ T5818] ? __pfx_ovl_fill_super+0x10/0x10 [ 82.500218][ T5818] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 82.506017][ T5818] ? __pfx___mutex_lock+0x10/0x10 [ 82.511044][ T5818] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 82.517032][ T5818] ? sget_fc+0x909/0x9c0 [ 82.521287][ T5818] ? __pfx_set_anon_super_fc+0x10/0x10 [ 82.526761][ T5818] ? __pfx_ovl_fill_super+0x10/0x10 [ 82.531959][ T5818] get_tree_nodev+0xb7/0x140 [ 82.536555][ T5818] vfs_get_tree+0x90/0x2b0 [ 82.540971][ T5818] do_new_mount+0x2be/0xb40 [ 82.545486][ T5818] ? __pfx_do_new_mount+0x10/0x10 [ 82.550516][ T5818] __se_sys_mount+0x2d6/0x3c0 [ 82.555189][ T5818] ? __pfx___se_sys_mount+0x10/0x10 [ 82.560401][ T5818] ? do_syscall_64+0x100/0x230 [ 82.565191][ T5818] ? __x64_sys_mount+0x20/0xc0 [ 82.569963][ T5818] do_syscall_64+0xf3/0x230 [ 82.574493][ T5818] ? clear_bhb_loop+0x35/0x90 [ 82.579166][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.585073][ T5818] RIP: 0033:0x7f7e3e37db39 [ 82.589489][ T5818] 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 [ 82.609092][ T5818] RSP: 002b:00007ffde17abbd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 82.617501][ T5818] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f7e3e37db39 [ 82.625469][ T5818] RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000 [ 82.633439][ T5818] RBP: 00007f7e3e3c605e R08: 0000000020000200 R09: 0000000000000000 [ 82.641405][ T5818] R10: 0000000000000000 R11: 0000000000000246 R12: 6c6c616c61636f6c mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,") = -1 EINVAL (Invalid argument) exit_group(0) = ? +++ exited with 0 +++ [ 82.649370][ T5818] R13: 00007ffde17abdb8 R14: 00000