./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3400388039 <...> Warning: Permanently added '10.128.0.249' (ED25519) to the list of known hosts. execve("./syz-executor3400388039", ["./syz-executor3400388039"], 0x7ffe66eb0dc0 /* 10 vars */) = 0 brk(NULL) = 0x555593bb4000 brk(0x555593bb4e00) = 0x555593bb4e00 arch_prctl(ARCH_SET_FS, 0x555593bb4480) = 0 set_tid_address(0x555593bb4750) = 5818 set_robust_list(0x555593bb4760, 24) = 0 rseq(0x555593bb4da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3400388039", 4096) = 28 getrandom("\x70\x5c\xf7\x28\xaa\xb7\x70\xdb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555593bb4e00 brk(0x555593bd5e00) = 0x555593bd5e00 brk(0x555593bd6000) = 0x555593bd6000 mprotect(0x7fd4a2160000, 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=0x7fd4a20b4fa0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fd4a20bd010}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fd4a20b4fa0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fd4a20bd010}, NULL, 8) = 0 executing program 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) = 0x7fd499c00000 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(0x7fd499c00000, 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 [ 62.498517][ T5818] loop0: detected capacity change from 0 to 32768 mount("/dev/loop0", "./file1", "ocfs2", MS_I_VERSION|MS_LAZYTIME, "localalloc=18446744073709551608,resv_level=00000000000000000002,heartbeat=none,coherency=buffered,er"...) = 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) mkdirat(AT_FDCWD, "./file0", 000) = 0 mkdir("./file2", 0777) = 0 [ 62.550308][ T5818] JBD2: Ignoring recovery information on journal [ 62.581157][ T5818] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 62.639543][ T5818] overlayfs: upper fs does not support tmpfile. [ 62.648257][ T5818] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 62.655926][ T5818] [ 62.658300][ T5818] ====================================================== [ 62.665310][ T5818] WARNING: possible circular locking dependency detected [ 62.672317][ T5818] 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 Not tainted [ 62.679408][ T5818] ------------------------------------------------------ [ 62.686409][ T5818] syz-executor340/5818 is trying to acquire lock: [ 62.692799][ T5818] ffff88807641df40 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 62.706286][ T5818] [ 62.706286][ T5818] but task is already holding lock: [ 62.713630][ T5818] ffff888077c29538 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 62.723090][ T5818] [ 62.723090][ T5818] which lock already depends on the new lock. [ 62.723090][ T5818] [ 62.733478][ T5818] [ 62.733478][ T5818] the existing dependency chain (in reverse order) is: [ 62.742478][ T5818] [ 62.742478][ T5818] -> #4 (&oi->ip_xattr_sem){+.+.}-{4:4}: [ 62.750299][ T5818] lock_acquire+0x1ed/0x550 [ 62.755317][ T5818] down_write+0x99/0x220 [ 62.760086][ T5818] ocfs2_xattr_set_handle+0x539/0xa10 [ 62.765976][ T5818] ocfs2_init_security_set+0xbd/0xd0 [ 62.771782][ T5818] ocfs2_mknod+0x1ccf/0x2b30 [ 62.776885][ T5818] ocfs2_mkdir+0x1ab/0x470 [ 62.781808][ T5818] vfs_mkdir+0x2f9/0x4f0 [ 62.786562][ T5818] do_mkdirat+0x264/0x3a0 [ 62.791398][ T5818] __x64_sys_mkdirat+0x87/0xa0 [ 62.796673][ T5818] do_syscall_64+0xf3/0x230 [ 62.801686][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.808090][ T5818] [ 62.808090][ T5818] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 62.815377][ T5818] lock_acquire+0x1ed/0x550 [ 62.820392][ T5818] start_this_handle+0x1eb4/0x2110 [ 62.826018][ T5818] jbd2__journal_start+0x2da/0x5d0 [ 62.831642][ T5818] jbd2_journal_start+0x29/0x40 [ 62.837005][ T5818] ocfs2_start_trans+0x3c9/0x700 [ 62.842452][ T5818] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 62.848857][ T5818] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 62.855696][ T5818] ocfs2_mknod+0x143a/0x2b30 [ 62.860795][ T5818] ocfs2_mkdir+0x1ab/0x470 [ 62.865720][ T5818] vfs_mkdir+0x2f9/0x4f0 [ 62.870474][ T5818] do_mkdirat+0x264/0x3a0 [ 62.875316][ T5818] __x64_sys_mkdirat+0x87/0xa0 [ 62.880595][ T5818] do_syscall_64+0xf3/0x230 [ 62.885611][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.892031][ T5818] [ 62.892031][ T5818] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 62.900536][ T5818] lock_acquire+0x1ed/0x550 [ 62.905724][ T5818] down_read+0xb1/0xa40 [ 62.910393][ T5818] ocfs2_start_trans+0x3be/0x700 [ 62.915851][ T5818] ocfs2_reserve_suballoc_bits+0x9f6/0x4e70 [ 62.922253][ T5818] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 62.929088][ T5818] ocfs2_mknod+0x143a/0x2b30 [ 62.934185][ T5818] ocfs2_mkdir+0x1ab/0x470 [ 62.939106][ T5818] vfs_mkdir+0x2f9/0x4f0 [ 62.943864][ T5818] do_mkdirat+0x264/0x3a0 [ 62.948704][ T5818] __x64_sys_mkdirat+0x87/0xa0 [ 62.953975][ T5818] do_syscall_64+0xf3/0x230 [ 62.958987][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.965396][ T5818] [ 62.965396][ T5818] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 62.972862][ T5818] lock_acquire+0x1ed/0x550 [ 62.977874][ T5818] ocfs2_start_trans+0x2b9/0x700 [ 62.983317][ T5818] ocfs2_mknod+0x150c/0x2b30 [ 62.988432][ T5818] ocfs2_mkdir+0x1ab/0x470 [ 62.993378][ T5818] vfs_mkdir+0x2f9/0x4f0 [ 62.998151][ T5818] do_mkdirat+0x264/0x3a0 [ 63.003009][ T5818] __x64_sys_mkdirat+0x87/0xa0 [ 63.008295][ T5818] do_syscall_64+0xf3/0x230 [ 63.013333][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.019755][ T5818] [ 63.019755][ T5818] -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}: [ 63.030308][ T5818] validate_chain+0x18ef/0x5920 [ 63.035677][ T5818] __lock_acquire+0x1397/0x2100 [ 63.041041][ T5818] lock_acquire+0x1ed/0x550 [ 63.046054][ T5818] down_write+0x99/0x220 [ 63.050825][ T5818] ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 63.057490][ T5818] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 63.064326][ T5818] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 63.070478][ T5818] ocfs2_xattr_set+0xf4e/0x1930 [ 63.075836][ T5818] __vfs_setxattr+0x468/0x4a0 [ 63.081025][ T5818] __vfs_setxattr_noperm+0x12e/0x660 [ 63.086820][ T5818] vfs_setxattr+0x221/0x430 [ 63.091833][ T5818] ovl_get_workdir+0xd90/0x1920 [ 63.097194][ T5818] ovl_fill_super+0x12a8/0x3560 [ 63.102552][ T5818] get_tree_nodev+0xb7/0x140 [ 63.107652][ T5818] vfs_get_tree+0x90/0x2b0 [ 63.112576][ T5818] do_new_mount+0x2be/0xb40 [ 63.117587][ T5818] __se_sys_mount+0x2d6/0x3c0 [ 63.122772][ T5818] do_syscall_64+0xf3/0x230 [ 63.127789][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.134196][ T5818] [ 63.134196][ T5818] other info that might help us debug this: [ 63.134196][ T5818] [ 63.144410][ T5818] Chain exists of: [ 63.144410][ T5818] &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5 --> jbd2_handle --> &oi->ip_xattr_sem [ 63.144410][ T5818] [ 63.160137][ T5818] Possible unsafe locking scenario: [ 63.160137][ T5818] [ 63.167570][ T5818] CPU0 CPU1 [ 63.172917][ T5818] ---- ---- [ 63.178263][ T5818] lock(&oi->ip_xattr_sem); [ 63.182840][ T5818] lock(jbd2_handle); [ 63.189412][ T5818] lock(&oi->ip_xattr_sem); [ 63.196511][ T5818] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); [ 63.203786][ T5818] [ 63.203786][ T5818] *** DEADLOCK *** [ 63.203786][ T5818] [ 63.211910][ T5818] 4 locks held by syz-executor340/5818: [ 63.217441][ T5818] #0: ffff888023cc00e0 (&type->s_umount_key#43/1){+.+.}-{4:4}, at: alloc_super+0x221/0x9d0 [ 63.227538][ T5818] #1: ffff888041a82420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 63.236669][ T5818] #2: ffff888077c29800 (&sb->s_type->i_mutex_key#16){++++}-{4:4}, at: vfs_setxattr+0x1e1/0x430 [ 63.247103][ T5818] #3: ffff888077c29538 (&oi->ip_xattr_sem){+.+.}-{4:4}, at: ocfs2_xattr_set+0x633/0x1930 [ 63.257017][ T5818] [ 63.257017][ T5818] stack backtrace: [ 63.262903][ T5818] CPU: 0 UID: 0 PID: 5818 Comm: syz-executor340 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 63.273993][ T5818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.284039][ T5818] Call Trace: [ 63.287308][ T5818] [ 63.290225][ T5818] dump_stack_lvl+0x241/0x360 [ 63.294897][ T5818] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.300084][ T5818] ? __pfx__printk+0x10/0x10 [ 63.304666][ T5818] print_circular_bug+0x13a/0x1b0 [ 63.309681][ T5818] check_noncircular+0x36a/0x4a0 [ 63.314609][ T5818] ? __pfx_check_noncircular+0x10/0x10 [ 63.320059][ T5818] ? lockdep_lock+0x123/0x2b0 [ 63.324728][ T5818] validate_chain+0x18ef/0x5920 [ 63.329567][ T5818] ? __pfx_validate_chain+0x10/0x10 [ 63.334758][ T5818] ? __pfx_validate_chain+0x10/0x10 [ 63.339950][ T5818] ? mark_lock+0x9a/0x360 [ 63.344271][ T5818] ? ocfs2_get_system_file_inode+0x1d4/0x7b0 [ 63.350240][ T5818] ? __pfx_lock_release+0x10/0x10 [ 63.355254][ T5818] ? mark_lock+0x9a/0x360 [ 63.359572][ T5818] __lock_acquire+0x1397/0x2100 [ 63.364424][ T5818] lock_acquire+0x1ed/0x550 [ 63.368912][ T5818] ? ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 63.375228][ T5818] ? __pfx_lock_acquire+0x10/0x10 [ 63.380239][ T5818] ? __pfx___might_resched+0x10/0x10 [ 63.385517][ T5818] ? __pfx_ocfs2_get_system_file_inode+0x10/0x10 [ 63.391832][ T5818] ? __pfx_validate_chain+0x10/0x10 [ 63.397021][ T5818] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 63.402988][ T5818] down_write+0x99/0x220 [ 63.407217][ T5818] ? ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 63.413528][ T5818] ? __pfx_down_write+0x10/0x10 [ 63.418369][ T5818] ocfs2_reserve_local_alloc_bits+0x132/0x2840 [ 63.424518][ T5818] ? mark_lock+0x9a/0x360 [ 63.428838][ T5818] ? __lock_acquire+0x1397/0x2100 [ 63.433852][ T5818] ? __pfx_ocfs2_reserve_local_alloc_bits+0x10/0x10 [ 63.440689][ T5818] ? __pfx_lock_acquire+0x10/0x10 [ 63.445696][ T5818] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 63.451754][ T5818] ? __pfx_lock_release+0x10/0x10 [ 63.456765][ T5818] ? do_raw_spin_lock+0x14f/0x370 [ 63.461783][ T5818] ? do_raw_spin_unlock+0x13c/0x8b0 [ 63.466972][ T5818] ? _raw_spin_unlock+0x28/0x50 [ 63.471808][ T5818] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 63.477867][ T5818] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 63.484186][ T5818] ? __pfx_ocfs2_reserve_clusters_with_limit+0x10/0x10 [ 63.491025][ T5818] ? __pfx_ocfs2_calc_xattr_set_need+0x10/0x10 [ 63.497169][ T5818] ? ocfs2_xattr_set+0xf00/0x1930 [ 63.502210][ T5818] ocfs2_init_xattr_set_ctxt+0x420/0x8e0 [ 63.507833][ T5818] ? __pfx_ocfs2_init_xattr_set_ctxt+0x10/0x10 [ 63.513977][ T5818] ? up_write+0x1a9/0x590 [ 63.518296][ T5818] ? __pfx_ocfs2_truncate_log_needs_flush+0x10/0x10 [ 63.524871][ T5818] ? __pfx_up_write+0x10/0x10 [ 63.529536][ T5818] ? __kmalloc_cache_noprof+0x243/0x390 [ 63.535067][ T5818] ? ocfs2_xattr_set+0x4d5/0x1930 [ 63.540079][ T5818] ocfs2_xattr_set+0xf4e/0x1930 [ 63.544922][ T5818] ? __pfx_ocfs2_xattr_set+0x10/0x10 [ 63.550202][ T5818] ? mark_lock+0x9a/0x360 [ 63.554524][ T5818] ? mark_lock+0x9a/0x360 [ 63.558844][ T5818] ? smk_tskacc+0x300/0x370 [ 63.563339][ T5818] ? posix_xattr_acl+0xa9/0xd0 [ 63.568090][ T5818] ? evm_protect_xattr+0x4be/0xb30 [ 63.573192][ T5818] ? __pfx_ocfs2_xattr_trusted_set+0x10/0x10 [ 63.579185][ T5818] __vfs_setxattr+0x468/0x4a0 [ 63.583878][ T5818] __vfs_setxattr_noperm+0x12e/0x660 [ 63.589165][ T5818] vfs_setxattr+0x221/0x430 [ 63.593666][ T5818] ? __pfx_vfs_setxattr+0x10/0x10 [ 63.598690][ T5818] ? _raw_spin_unlock+0x28/0x50 [ 63.603539][ T5818] ? dput+0x37/0x2b0 [ 63.607441][ T5818] ovl_get_workdir+0xd90/0x1920 [ 63.612300][ T5818] ? __pfx_ovl_get_workdir+0x10/0x10 [ 63.617601][ T5818] ? ovl_inuse_trylock+0xab/0xf0 [ 63.622535][ T5818] ? do_raw_spin_lock+0x14f/0x370 [ 63.627559][ T5818] ? _raw_spin_unlock+0x28/0x50 [ 63.632405][ T5818] ? ovl_inuse_trylock+0xab/0xf0 [ 63.637337][ T5818] ovl_fill_super+0x12a8/0x3560 [ 63.642215][ T5818] ? __pfx___mutex_trylock_common+0x10/0x10 [ 63.648119][ T5818] ? shrinker_register+0x118/0x230 [ 63.653238][ T5818] ? __pfx_lock_release+0x10/0x10 [ 63.658259][ T5818] ? __pfx_ovl_fill_super+0x10/0x10 [ 63.663455][ T5818] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 63.669258][ T5818] ? __pfx___mutex_lock+0x10/0x10 [ 63.674276][ T5818] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 63.680250][ T5818] ? sget_fc+0x909/0x9c0 [ 63.684482][ T5818] ? __pfx_set_anon_super_fc+0x10/0x10 [ 63.689928][ T5818] ? __pfx_ovl_fill_super+0x10/0x10 [ 63.695114][ T5818] get_tree_nodev+0xb7/0x140 [ 63.699696][ T5818] vfs_get_tree+0x90/0x2b0 [ 63.704102][ T5818] do_new_mount+0x2be/0xb40 [ 63.708613][ T5818] ? __pfx_do_new_mount+0x10/0x10 [ 63.713657][ T5818] __se_sys_mount+0x2d6/0x3c0 [ 63.718344][ T5818] ? __pfx___se_sys_mount+0x10/0x10 [ 63.723533][ T5818] ? exc_page_fault+0x590/0x8b0 [ 63.728386][ T5818] ? __x64_sys_mount+0x20/0xc0 [ 63.733138][ T5818] do_syscall_64+0xf3/0x230 [ 63.737651][ T5818] ? clear_bhb_loop+0x35/0x90 [ 63.742337][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.748254][ T5818] RIP: 0033:0x7fd4a20e9039 [ 63.752673][ 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 [ 63.772282][ T5818] RSP: 002b:00007ffd9bf05788 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.780697][ T5818] RAX: ffffffffffffffda RBX: 00007ffd9bf05790 RCX: 00007fd4a20e9039 mount(NULL, "./file0", "overlay", 0, "workdir=./file0,lowerdir=.,upperdir=./file2,,") = -1 EINVAL (Invalid argument) exit_group(0) = ? +++ exited with 0 +++ [ 63.788660][ T5818] RDX: 0000000020000000 RSI: 0000000020000040 RD