./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3214034904 <...> Warning: Permanently added '10.128.1.57' (ED25519) to the list of known hosts. execve("./syz-executor3214034904", ["./syz-executor3214034904"], 0x7ffdba81c980 /* 10 vars */) = 0 brk(NULL) = 0x55556fe7f000 brk(0x55556fe7fd00) = 0x55556fe7fd00 arch_prctl(ARCH_SET_FS, 0x55556fe7f380) = 0 set_tid_address(0x55556fe7f650) = 5832 set_robust_list(0x55556fe7f660, 24) = 0 rseq(0x55556fe7fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3214034904", 4096) = 28 getrandom("\xf0\x84\xaa\xed\x4b\x2a\x43\xc1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556fe7fd00 brk(0x55556fea0d00) = 0x55556fea0d00 brk(0x55556fea1000) = 0x55556fea1000 mprotect(0x7fa563760000, 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, 0executing program ) = 0x21000000 write(1, "executing program\n", 18) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa55b200000 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(0x7fa55b200000, 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 [ 76.170832][ T5832] loop0: detected capacity change from 0 to 32768 [ 76.212698][ T5832] ======================================================= [ 76.212698][ T5832] WARNING: The mand mount option has been deprecated and [ 76.212698][ T5832] and is ignored by this kernel. Remove the mand [ 76.212698][ T5832] option from the mount to silence this warning. [ 76.212698][ T5832] ======================================================= mount("/dev/loop0", "./file1", "ocfs2", MS_SYNCHRONOUS|MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_STRICTATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,preferred_slot=00000000000000000001,localflocks,"...) = 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("./file0", 000) = 0 mkdirat(AT_FDCWD, "./file1", 000) = 0 mkdir("./bus", 000) = 0 [ 76.267163][ T5832] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 76.327636][ T5832] overlayfs: upper fs does not support tmpfile. [ 76.336978][ T5832] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 76.344289][ T5832] [ 76.346622][ T5832] ====================================================== [ 76.353645][ T5832] WARNING: possible circular locking dependency detected [ 76.360707][ T5832] 6.14.0-rc1-syzkaller #0 Not tainted [ 76.366074][ T5832] ------------------------------------------------------ [ 76.373084][ T5832] syz-executor321/5832 is trying to acquire lock: [ 76.379489][ T5832] ffff8880758042c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 76.393002][ T5832] [ 76.393002][ T5832] but task is already holding lock: [ 76.400357][ T5832] ffff88807b7ceab8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 76.409866][ T5832] [ 76.409866][ T5832] which lock already depends on the new lock. [ 76.409866][ T5832] [ 76.420280][ T5832] [ 76.420280][ T5832] the existing dependency chain (in reverse order) is: [ 76.429309][ T5832] [ 76.429309][ T5832] -> #4 (&oi->ip_xattr_sem){+.+.}-{4:4}: [ 76.437149][ T5832] lock_acquire+0x1ed/0x550 [ 76.442195][ T5832] down_write+0x99/0x220 [ 76.446989][ T5832] ocfs2_xattr_set_handle+0x539/0xa10 [ 76.452904][ T5832] ocfs2_init_security_set+0xbd/0xd0 [ 76.458728][ T5832] ocfs2_mknod+0x1ccf/0x2b30 [ 76.463858][ T5832] ocfs2_mkdir+0x1ab/0x470 [ 76.468809][ T5832] vfs_mkdir+0x2f9/0x4f0 [ 76.473585][ T5832] do_mkdirat+0x264/0x3a0 [ 76.478437][ T5832] __x64_sys_mkdir+0x6c/0x80 [ 76.483547][ T5832] do_syscall_64+0xf3/0x230 [ 76.488591][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.495016][ T5832] [ 76.495016][ T5832] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 76.502328][ T5832] lock_acquire+0x1ed/0x550 [ 76.507361][ T5832] start_this_handle+0x1eb4/0x2110 [ 76.512999][ T5832] jbd2__journal_start+0x2da/0x5d0 [ 76.518633][ T5832] jbd2_journal_start+0x29/0x40 [ 76.524007][ T5832] ocfs2_start_trans+0x3c9/0x700 [ 76.529480][ T5832] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 76.535902][ T5832] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 76.542864][ T5832] ocfs2_mknod+0x143a/0x2b30 [ 76.548000][ T5832] ocfs2_mkdir+0x1ab/0x470 [ 76.552958][ T5832] vfs_mkdir+0x2f9/0x4f0 [ 76.557739][ T5832] do_mkdirat+0x264/0x3a0 [ 76.562601][ T5832] __x64_sys_mkdir+0x6c/0x80 [ 76.567766][ T5832] do_syscall_64+0xf3/0x230 [ 76.572800][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.579222][ T5832] [ 76.579222][ T5832] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 76.587756][ T5832] lock_acquire+0x1ed/0x550 [ 76.592783][ T5832] down_read+0xb1/0xa40 [ 76.597466][ T5832] ocfs2_start_trans+0x3be/0x700 [ 76.602929][ T5832] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 76.609365][ T5832] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 76.616231][ T5832] ocfs2_mknod+0x143a/0x2b30 [ 76.621362][ T5832] ocfs2_mkdir+0x1ab/0x470 [ 76.626309][ T5832] vfs_mkdir+0x2f9/0x4f0 [ 76.631112][ T5832] do_mkdirat+0x264/0x3a0 [ 76.635971][ T5832] __x64_sys_mkdir+0x6c/0x80 [ 76.641084][ T5832] do_syscall_64+0xf3/0x230 [ 76.646115][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.652534][ T5832] [ 76.652534][ T5832] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 76.660022][ T5832] lock_acquire+0x1ed/0x550 [ 76.665054][ T5832] ocfs2_start_trans+0x2b9/0x700 [ 76.670520][ T5832] ocfs2_mknod+0x150c/0x2b30 [ 76.675655][ T5832] ocfs2_mkdir+0x1ab/0x470 [ 76.680611][ T5832] vfs_mkdir+0x2f9/0x4f0 [ 76.685386][ T5832] do_mkdirat+0x264/0x3a0 [ 76.690242][ T5832] __x64_sys_mkdir+0x6c/0x80 [ 76.695442][ T5832] do_syscall_64+0xf3/0x230 [ 76.700477][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.706920][ T5832] [ 76.706920][ T5832] -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}: [ 76.717558][ T5832] validate_chain+0x18ef/0x5920 [ 76.722949][ T5832] __lock_acquire+0x1397/0x2100 [ 76.728333][ T5832] lock_acquire+0x1ed/0x550 [ 76.733364][ T5832] down_write+0x99/0x220 [ 76.738136][ T5832] ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 76.744818][ T5832] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 76.751676][ T5832] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 76.757838][ T5832] ocfs2_xattr_set+0xf4e/0x1930 [ 76.763216][ T5832] __vfs_setxattr+0x468/0x4a0 [ 76.768417][ T5832] __vfs_setxattr_noperm+0x12e/0x660 [ 76.774229][ T5832] vfs_setxattr+0x221/0x430 [ 76.779256][ T5832] ovl_get_workdir+0xda0/0x1930 [ 76.784633][ T5832] ovl_fill_super+0x12a8/0x3560 [ 76.790010][ T5832] get_tree_nodev+0xb7/0x140 [ 76.795122][ T5832] vfs_get_tree+0x90/0x2b0 [ 76.800061][ T5832] do_new_mount+0x2be/0xb40 [ 76.805091][ T5832] __se_sys_mount+0x2d6/0x3c0 [ 76.810300][ T5832] do_syscall_64+0xf3/0x230 [ 76.815333][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.821788][ T5832] [ 76.821788][ T5832] other info that might help us debug this: [ 76.821788][ T5832] [ 76.832274][ T5832] Chain exists of: [ 76.832274][ T5832] &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5 --> jbd2_handle --> &oi->ip_xattr_sem [ 76.832274][ T5832] [ 76.848027][ T5832] Possible unsafe locking scenario: [ 76.848027][ T5832] [ 76.855476][ T5832] CPU0 CPU1 [ 76.860838][ T5832] ---- ---- [ 76.866206][ T5832] lock(&oi->ip_xattr_sem); [ 76.870802][ T5832] lock(jbd2_handle); [ 76.877398][ T5832] lock(&oi->ip_xattr_sem); [ 76.884510][ T5832] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); [ 76.891809][ T5832] [ 76.891809][ T5832] *** DEADLOCK *** [ 76.891809][ T5832] [ 76.899950][ T5832] 4 locks held by syz-executor321/5832: [ 76.905496][ T5832] #0: ffff88803107c0e0 (&type->s_umount_key#43/1){+.+.}-{4:4}, at: alloc_super+0x221/0x9d0 [ 76.915628][ T5832] #1: ffff888012674420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 76.924794][ T5832] #2: ffff88807b7ced80 (&sb->s_type->i_mutex_key#16){++++}-{4:4}, at: vfs_setxattr+0x1e1/0x430 [ 76.935259][ T5832] #3: ffff88807b7ceab8 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 76.945207][ T5832] [ 76.945207][ T5832] stack backtrace: [ 76.951108][ T5832] CPU: 1 UID: 0 PID: 5832 Comm: syz-executor321 Not tainted 6.14.0-rc1-syzkaller #0 [ 76.951126][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 76.951143][ T5832] Call Trace: [ 76.951150][ T5832] [ 76.951158][ T5832] dump_stack_lvl+0x241/0x360 [ 76.951190][ T5832] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.951215][ T5832] ? __pfx__printk+0x10/0x10 [ 76.951242][ T5832] print_circular_bug+0x13a/0x1b0 [ 76.951269][ T5832] check_noncircular+0x36a/0x4a0 [ 76.951295][ T5832] ? __pfx_check_noncircular+0x10/0x10 [ 76.951320][ T5832] ? lockdep_lock+0x123/0x2b0 [ 76.951343][ T5832] validate_chain+0x18ef/0x5920 [ 76.951367][ T5832] ? __pfx_validate_chain+0x10/0x10 [ 76.951398][ T5832] ? __pfx_validate_chain+0x10/0x10 [ 76.951425][ T5832] ? mark_lock+0x9a/0x360 [ 76.951451][ T5832] ? ocfs2_get_system_file_inode+0x1d4/0x7b0 [ 76.951470][ T5832] ? __pfx_lock_release+0x10/0x10 [ 76.951492][ T5832] ? mark_lock+0x9a/0x360 [ 76.951514][ T5832] __lock_acquire+0x1397/0x2100 [ 76.951540][ T5832] lock_acquire+0x1ed/0x550 [ 76.951559][ T5832] ? ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 76.951581][ T5832] ? __pfx_lock_acquire+0x10/0x10 [ 76.951601][ T5832] ? __pfx___might_resched+0x10/0x10 [ 76.951620][ T5832] ? __pfx_ocfs2_get_system_file_inode+0x10/0x10 [ 76.951638][ T5832] ? __pfx_validate_chain+0x10/0x10 [ 76.951662][ T5832] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.951683][ T5832] down_write+0x99/0x220 [ 76.951707][ T5832] ? ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 76.951725][ T5832] ? __pfx_down_write+0x10/0x10 [ 76.951752][ T5832] ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 76.951775][ T5832] ? mark_lock+0x9a/0x360 [ 76.951798][ T5832] ? __lock_acquire+0x1397/0x2100 [ 76.951819][ T5832] ? __pfx_ocfs2_reserve_local_alloc_bits+0x10/0x10 [ 76.951845][ T5832] ? __pfx_lock_acquire+0x10/0x10 [ 76.951864][ T5832] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 76.951881][ T5832] ? __pfx_lock_release+0x10/0x10 [ 76.951900][ T5832] ? do_raw_spin_lock+0x14f/0x370 [ 76.951919][ T5832] ? do_raw_spin_unlock+0x13c/0x8b0 [ 76.951938][ T5832] ? _raw_spin_unlock+0x28/0x50 [ 76.951955][ T5832] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 76.951973][ T5832] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 76.952003][ T5832] ? __pfx_ocfs2_reserve_clusters_with_limit+0x10/0x10 [ 76.952028][ T5832] ? __pfx_ocfs2_calc_xattr_set_need+0x10/0x10 [ 76.952048][ T5832] ? ocfs2_xattr_set+0xf00/0x1930 [ 76.952073][ T5832] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 76.952099][ T5832] ? __pfx_ocfs2_init_xattr_set_ctxt+0x10/0x10 [ 76.952124][ T5832] ? up_write+0x1a9/0x590 [ 76.952148][ T5832] ? __pfx_ocfs2_truncate_log_needs_flush+0x10/0x10 [ 76.952173][ T5832] ? __pfx_up_write+0x10/0x10 [ 76.952197][ T5832] ? __kmalloc_cache_noprof+0x243/0x390 [ 76.952219][ T5832] ? ocfs2_xattr_set+0x4d5/0x1930 [ 76.952243][ T5832] ocfs2_xattr_set+0xf4e/0x1930 [ 76.952273][ T5832] ? __pfx_ocfs2_xattr_set+0x10/0x10 [ 76.952296][ T5832] ? _prb_read_valid+0xa39/0xac0 [ 76.952328][ T5832] ? mark_lock+0x9a/0x360 [ 76.952357][ T5832] ? smk_tskacc+0x300/0x370 [ 76.952377][ T5832] ? posix_xattr_acl+0xa9/0xd0 [ 76.952401][ T5832] ? evm_protect_xattr+0x4be/0xb30 [ 76.952426][ T5832] ? __pfx_ocfs2_xattr_trusted_set+0x10/0x10 [ 76.952452][ T5832] __vfs_setxattr+0x468/0x4a0 [ 76.952475][ T5832] __vfs_setxattr_noperm+0x12e/0x660 [ 76.952497][ T5832] vfs_setxattr+0x221/0x430 [ 76.952518][ T5832] ? __pfx_vfs_setxattr+0x10/0x10 [ 76.952538][ T5832] ? _raw_spin_unlock+0x28/0x50 [ 76.952556][ T5832] ? dput+0x37/0x2b0 [ 76.952576][ T5832] ovl_get_workdir+0xda0/0x1930 [ 76.952598][ T5832] ? __pfx_ovl_get_workdir+0x10/0x10 [ 76.952619][ T5832] ? ovl_inuse_trylock+0xab/0xf0 [ 76.952635][ T5832] ? do_raw_spin_lock+0x14f/0x370 [ 76.952657][ T5832] ? _raw_spin_unlock+0x28/0x50 [ 76.952673][ T5832] ? ovl_inuse_trylock+0xab/0xf0 [ 76.952690][ T5832] ovl_fill_super+0x12a8/0x3560 [ 76.952710][ T5832] ? shrinker_register+0x118/0x230 [ 76.952735][ T5832] ? __pfx_lock_release+0x10/0x10 [ 76.952762][ T5832] ? __pfx_ovl_fill_super+0x10/0x10 [ 76.952779][ T5832] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 76.952801][ T5832] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 76.952830][ T5832] ? sget_fc+0x909/0x9c0 [ 76.952855][ T5832] ? __pfx_set_anon_super_fc+0x10/0x10 [ 76.952869][ T5832] ? __pfx_ovl_fill_super+0x10/0x10 [ 76.952887][ T5832] get_tree_nodev+0xb7/0x140 [ 76.952902][ T5832] vfs_get_tree+0x90/0x2b0 [ 76.952920][ T5832] do_new_mount+0x2be/0xb40 [ 76.952941][ T5832] ? __pfx_do_new_mount+0x10/0x10 [ 76.952964][ T5832] __se_sys_mount+0x2d6/0x3c0 [ 76.952991][ T5832] ? __pfx___se_sys_mount+0x10/0x10 [ 76.953011][ T5832] ? do_syscall_64+0x100/0x230 [ 76.953034][ T5832] ? __x64_sys_mount+0x20/0xc0 [ 76.953055][ T5832] do_syscall_64+0xf3/0x230 [ 76.953076][ T5832] ? clear_bhb_loop+0x35/0x90 [ 76.953100][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.953123][ T5832] RIP: 0033:0x7fa5636e9779 [ 76.953141][ T5832] 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 [ 76.953154][ T5832] RSP: 002b:00007ffc3b205be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 76.953171][ T5832] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fa5636e9779 [ 76.953183][ T5832] RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000 [ 76.953193][ T5832] RBP: 00007fa563760610 R08: 0000000020000400 R09: 0000000000000000 mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1,") = -1 EINVAL (Invalid argument) exit_group(0) = ? +++ exited with 0 +++ [ 76.