./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2905317330 <...> Warning: Permanently added '10.128.1.115' (ED25519) to the list of known hosts. execve("./syz-executor2905317330", ["./syz-executor2905317330"], 0x7ffc17ec24e0 /* 10 vars */) = 0 brk(NULL) = 0x55556c522000 brk(0x55556c522e00) = 0x55556c522e00 arch_prctl(ARCH_SET_FS, 0x55556c522480) = 0 set_tid_address(0x55556c522750) = 5829 set_robust_list(0x55556c522760, 24) = 0 rseq(0x55556c522da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2905317330", 4096) = 28 getrandom("\x78\x6b\x5b\x55\x62\x7a\x93\xd3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556c522e00 brk(0x55556c543e00) = 0x55556c543e00 brk(0x55556c544000) = 0x55556c544000 mprotect(0x7f956603b000, 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=0x7f9565f90520, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f9565f98590}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f9565f90520, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f9565f98590}, 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) = 0x7f955da00000 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(0x7f955da00000, 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 [ 72.464726][ T5829] loop0: detected capacity change from 0 to 32768 [ 72.497687][ T5829] ======================================================= [ 72.497687][ T5829] WARNING: The mand mount option has been deprecated and mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "coherency=buffered,heartbeat=none,coherency=full,errors=continue,journal_async_commit,localflocks,in"...) = 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 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 72.497687][ T5829] and is ignored by this kernel. Remove the mand [ 72.497687][ T5829] option from the mount to silence this warning. [ 72.497687][ T5829] ======================================================= [ 72.548967][ T5829] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 72.575803][ T5829] [ 72.578170][ T5829] ====================================================== [ 72.585187][ T5829] WARNING: possible circular locking dependency detected [ 72.592234][ T5829] 6.12.0-rc7-syzkaller #0 Not tainted [ 72.597607][ T5829] ------------------------------------------------------ [ 72.604655][ T5829] syz-executor290/5829 is trying to acquire lock: [ 72.611062][ T5829] ffff88807e306610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_setattr+0x9dd/0x1f00 [ 72.620051][ T5829] [ 72.620051][ T5829] but task is already holding lock: [ 72.627450][ T5829] ffff8880752c0660 (&oi->ip_alloc_sem){+.+.}-{3:3}, at: ocfs2_setattr+0x9d0/0x1f00 [ 72.636797][ T5829] [ 72.636797][ T5829] which lock already depends on the new lock. [ 72.636797][ T5829] [ 72.647199][ T5829] [ 72.647199][ T5829] the existing dependency chain (in reverse order) is: [ 72.656241][ T5829] [ 72.656241][ T5829] -> #4 (&oi->ip_alloc_sem){+.+.}-{3:3}: [ 72.664060][ T5829] lock_acquire+0x1ed/0x550 [ 72.669113][ T5829] down_write+0x99/0x220 [ 72.674048][ T5829] ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 72.680557][ T5829] ocfs2_xattr_set+0xa4f/0x1930 [ 72.686006][ T5829] ocfs2_set_acl+0x4cb/0x580 [ 72.691111][ T5829] ocfs2_iop_set_acl+0x24a/0x3c0 [ 72.696735][ T5829] vfs_remove_acl+0x4cb/0x770 [ 72.701941][ T5829] ovl_workdir_create+0x52f/0x980 [ 72.707683][ T5829] ovl_get_workdir+0x311/0x1920 [ 72.713056][ T5829] ovl_fill_super+0x12a8/0x3560 [ 72.718589][ T5829] get_tree_nodev+0xb7/0x140 [ 72.723709][ T5829] vfs_get_tree+0x90/0x2b0 [ 72.728652][ T5829] do_new_mount+0x2be/0xb40 [ 72.733692][ T5829] __se_sys_mount+0x2d6/0x3c0 [ 72.739079][ T5829] do_syscall_64+0xf3/0x230 [ 72.744265][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.750971][ T5829] [ 72.750971][ T5829] -> #3 (&oi->ip_xattr_sem){++++}-{3:3}: [ 72.758794][ T5829] lock_acquire+0x1ed/0x550 [ 72.763840][ T5829] down_read+0xb1/0xa40 [ 72.768537][ T5829] ocfs2_init_acl+0x397/0x930 [ 72.773768][ T5829] ocfs2_mknod+0x1c05/0x2b40 [ 72.778877][ T5829] ocfs2_mkdir+0x1ab/0x480 [ 72.783822][ T5829] vfs_mkdir+0x2f9/0x4f0 [ 72.788632][ T5829] do_mkdirat+0x264/0x3a0 [ 72.793483][ T5829] __x64_sys_mkdirat+0x87/0xa0 [ 72.798769][ T5829] do_syscall_64+0xf3/0x230 [ 72.803803][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.810242][ T5829] [ 72.810242][ T5829] -> #2 (jbd2_handle){.+.+}-{0:0}: [ 72.817625][ T5829] lock_acquire+0x1ed/0x550 [ 72.822817][ T5829] start_this_handle+0x1eb4/0x2110 [ 72.828454][ T5829] jbd2__journal_start+0x2da/0x5d0 [ 72.834363][ T5829] jbd2_journal_start+0x29/0x40 [ 72.839733][ T5829] ocfs2_start_trans+0x3c9/0x700 [ 72.845187][ T5829] ocfs2_reserve_suballoc_bits+0x9f6/0x4eb0 [ 72.851591][ T5829] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 72.858427][ T5829] ocfs2_mknod+0x143a/0x2b40 [ 72.863551][ T5829] ocfs2_mkdir+0x1ab/0x480 [ 72.868505][ T5829] vfs_mkdir+0x2f9/0x4f0 [ 72.873268][ T5829] do_mkdirat+0x264/0x3a0 [ 72.878123][ T5829] __x64_sys_mkdirat+0x87/0xa0 [ 72.883499][ T5829] do_syscall_64+0xf3/0x230 [ 72.888534][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.894962][ T5829] [ 72.894962][ T5829] -> #1 (&journal->j_trans_barrier){.+.+}-{3:3}: [ 72.903653][ T5829] lock_acquire+0x1ed/0x550 [ 72.908865][ T5829] down_read+0xb1/0xa40 [ 72.913541][ T5829] ocfs2_start_trans+0x3be/0x700 [ 72.918990][ T5829] ocfs2_reserve_suballoc_bits+0x9f6/0x4eb0 [ 72.925394][ T5829] ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0 [ 72.932397][ T5829] ocfs2_mknod+0x143a/0x2b40 [ 72.937530][ T5829] ocfs2_mkdir+0x1ab/0x480 [ 72.942471][ T5829] vfs_mkdir+0x2f9/0x4f0 [ 72.947222][ T5829] do_mkdirat+0x264/0x3a0 [ 72.952162][ T5829] __x64_sys_mkdirat+0x87/0xa0 [ 72.957470][ T5829] do_syscall_64+0xf3/0x230 [ 72.962494][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.968905][ T5829] [ 72.968905][ T5829] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 72.976369][ T5829] validate_chain+0x18ef/0x5920 [ 72.981826][ T5829] __lock_acquire+0x1384/0x2050 [ 72.987205][ T5829] lock_acquire+0x1ed/0x550 [ 72.992233][ T5829] ocfs2_start_trans+0x2b9/0x700 [ 72.997695][ T5829] ocfs2_setattr+0x9dd/0x1f00 [ 73.002888][ T5829] notify_change+0xbca/0xe90 [ 73.008077][ T5829] ovl_workdir_create+0x782/0x980 [ 73.013716][ T5829] ovl_get_workdir+0x311/0x1920 [ 73.019076][ T5829] ovl_fill_super+0x12a8/0x3560 [ 73.024447][ T5829] get_tree_nodev+0xb7/0x140 [ 73.029566][ T5829] vfs_get_tree+0x90/0x2b0 [ 73.034506][ T5829] do_new_mount+0x2be/0xb40 [ 73.039518][ T5829] __se_sys_mount+0x2d6/0x3c0 [ 73.044875][ T5829] do_syscall_64+0xf3/0x230 [ 73.049884][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.056304][ T5829] [ 73.056304][ T5829] other info that might help us debug this: [ 73.056304][ T5829] [ 73.066526][ T5829] Chain exists of: [ 73.066526][ T5829] sb_internal#2 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem [ 73.066526][ T5829] [ 73.079746][ T5829] Possible unsafe locking scenario: [ 73.079746][ T5829] [ 73.087197][ T5829] CPU0 CPU1 [ 73.092559][ T5829] ---- ---- [ 73.097918][ T5829] lock(&oi->ip_alloc_sem); [ 73.102497][ T5829] lock(&oi->ip_xattr_sem); [ 73.109592][ T5829] lock(&oi->ip_alloc_sem); [ 73.116699][ T5829] rlock(sb_internal#2); [ 73.121029][ T5829] [ 73.121029][ T5829] *** DEADLOCK *** [ 73.121029][ T5829] [ 73.129177][ T5829] 5 locks held by syz-executor290/5829: [ 73.134722][ T5829] #0: ffff88807804c0e0 (&type->s_umount_key#44/1){+.+.}-{3:3}, at: alloc_super+0x221/0x9d0 [ 73.144818][ T5829] #1: ffff88807e306420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 73.153954][ T5829] #2: ffff8880752b5f40 (&sb->s_type->i_mutex_key#14/1){+.+.}-{3:3}, at: ovl_workdir_create+0x160/0x980 [ 73.165097][ T5829] #3: ffff8880752c09c0 (&sb->s_type->i_mutex_key#16){+.+.}-{3:3}, at: ovl_workdir_create+0x6e3/0x980 [ 73.176059][ T5829] #4: ffff8880752c0660 (&oi->ip_alloc_sem){+.+.}-{3:3}, at: ocfs2_setattr+0x9d0/0x1f00 [ 73.185809][ T5829] [ 73.185809][ T5829] stack backtrace: [ 73.191703][ T5829] CPU: 0 UID: 0 PID: 5829 Comm: syz-executor290 Not tainted 6.12.0-rc7-syzkaller #0 [ 73.201057][ T5829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 73.211140][ T5829] Call Trace: [ 73.214409][ T5829] [ 73.217424][ T5829] dump_stack_lvl+0x241/0x360 [ 73.222106][ T5829] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.227304][ T5829] ? __pfx__printk+0x10/0x10 [ 73.231902][ T5829] print_circular_bug+0x13a/0x1b0 [ 73.236928][ T5829] check_noncircular+0x36a/0x4a0 [ 73.241869][ T5829] ? __pfx_check_noncircular+0x10/0x10 [ 73.247366][ T5829] ? lockdep_lock+0x123/0x2b0 [ 73.252063][ T5829] ? add_lock_to_list+0x1e8/0x2f0 [ 73.257087][ T5829] validate_chain+0x18ef/0x5920 [ 73.261947][ T5829] ? __pfx_validate_chain+0x10/0x10 [ 73.267139][ T5829] ? __pfx_validate_chain+0x10/0x10 [ 73.272336][ T5829] ? mark_lock+0x9a/0x360 [ 73.276690][ T5829] __lock_acquire+0x1384/0x2050 [ 73.281562][ T5829] lock_acquire+0x1ed/0x550 [ 73.286065][ T5829] ? ocfs2_setattr+0x9dd/0x1f00 [ 73.291003][ T5829] ? __pfx_lock_acquire+0x10/0x10 [ 73.296037][ T5829] ? __pfx_lock_release+0x10/0x10 [ 73.301061][ T5829] ? __pfx___might_resched+0x10/0x10 [ 73.306430][ T5829] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.311644][ T5829] ? _raw_spin_unlock+0x28/0x50 [ 73.316497][ T5829] ocfs2_start_trans+0x2b9/0x700 [ 73.321425][ T5829] ? ocfs2_setattr+0x9dd/0x1f00 [ 73.326281][ T5829] ? __pfx_ocfs2_start_trans+0x10/0x10 [ 73.331997][ T5829] ocfs2_setattr+0x9dd/0x1f00 [ 73.336675][ T5829] ? __pfx_ocfs2_setattr+0x10/0x10 [ 73.341814][ T5829] ? __pfx_smack_inode_setattr+0x10/0x10 [ 73.347448][ T5829] ? current_time+0x1be/0x2b0 [ 73.352222][ T5829] ? evm_inode_setattr+0x1b9/0x7d0 [ 73.357335][ T5829] ? security_inode_setattr+0xdb/0x350 [ 73.362804][ T5829] ? __pfx_ocfs2_setattr+0x10/0x10 [ 73.367902][ T5829] notify_change+0xbca/0xe90 [ 73.372484][ T5829] ovl_workdir_create+0x782/0x980 [ 73.377600][ T5829] ? __pfx_ovl_workdir_create+0x10/0x10 [ 73.383156][ T5829] ? rcu_read_lock_any_held+0xb7/0x160 [ 73.388621][ T5829] ? mnt_get_write_access+0x226/0x2b0 [ 73.394084][ T5829] ovl_get_workdir+0x311/0x1920 [ 73.398940][ T5829] ? __pfx_ovl_get_workdir+0x10/0x10 [ 73.404397][ T5829] ? ovl_inuse_trylock+0xab/0xf0 [ 73.409341][ T5829] ? do_raw_spin_lock+0x14f/0x370 [ 73.414393][ T5829] ? __pfx_lock_release+0x10/0x10 [ 73.419429][ T5829] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.424647][ T5829] ? _raw_spin_unlock+0x28/0x50 [ 73.429518][ T5829] ? ovl_inuse_trylock+0xab/0xf0 [ 73.434472][ T5829] ovl_fill_super+0x12a8/0x3560 [ 73.439344][ T5829] ? __pfx___might_resched+0x10/0x10 [ 73.444618][ T5829] ? shrinker_register+0x118/0x230 [ 73.449723][ T5829] ? __pfx_lock_release+0x10/0x10 [ 73.454743][ T5829] ? __pfx_ovl_fill_super+0x10/0x10 [ 73.459946][ T5829] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 73.465760][ T5829] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 73.471747][ T5829] ? sget_fc+0x909/0x9c0 [ 73.475990][ T5829] ? __pfx_set_anon_super_fc+0x10/0x10 [ 73.481452][ T5829] ? __pfx_ovl_fill_super+0x10/0x10 [ 73.486659][ T5829] get_tree_nodev+0xb7/0x140 [ 73.491381][ T5829] vfs_get_tree+0x90/0x2b0 [ 73.495796][ T5829] do_new_mount+0x2be/0xb40 [ 73.500296][ T5829] ? __pfx_do_new_mount+0x10/0x10 [ 73.505307][ T5829] __se_sys_mount+0x2d6/0x3c0 [ 73.510061][ T5829] ? __pfx___se_sys_mount+0x10/0x10 [ 73.515256][ T5829] ? exc_page_fault+0x590/0x8c0 [ 73.520100][ T5829] ? __x64_sys_mount+0x20/0xc0 [ 73.524872][ T5829] do_syscall_64+0xf3/0x230 [ 73.529371][ T5829] ? clear_bhb_loop+0x35/0x90 [ 73.534148][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.540069][ T5829] RIP: 0033:0x7f9565fc47f9 [ 73.544493][ T5829] 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 [ 73.564142][ T5829] RSP: 002b:00007ffd24d2eef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.572701][ T5829] RAX: ffffffffffffffda RBX: 00007ffd24d2ef00 RCX: 00007f9565fc47f9 [ 73.580935][ T5829] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 0000000000000000 [ 73.588917][ T5829] RBP: 00007ffd24d2ef08 R08: 0000000020000140 R09: 00007f9565f90520 [ 73.596897][ T5829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.604878][ T5829] R13: 00007ffd24d2f168 R14: 0000000000000001 R15: 0000000000000001 [ 73.612881][ T5829] [ 73.617562][ T5829] overlayfs: upper fs does not support tmpfile. mount(NULL, "./file0", "overlay", 0, "workdir=./file0,lowerdir=.,upperdir=./file2,userxattr,,") = -1 EINVAL (Invalid argument) exit_group(0) = ? +++ exited with 0 +++ [ 73.624427][ T5829] overlayfs: upper fs does not support RENAME_WH