program: r0 = socket(0x2a, 0x2, 0x0) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000100)='/sys/power/pm_wakeup_irq', 0x40, 0x101) io_setup(0x6, &(0x7f0000003b80)=0x0) io_submit(r2, 0x2, &(0x7f0000000280)=[&(0x7f0000003cc0)={0x0, 0x0, 0x0, 0x0, 0xa, r1, 0x0, 0x0, 0x800, 0x0, 0x0, r1}, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x1, 0x7, r1, 0x0, 0x0, 0x1, 0x0, 0x3, r1}]) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1ffe6}, {0xfff2, 0x1}}}, 0x24}}, 0x0) getsockname$packet(r0, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000000)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000002fc0)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb}, {0xc, 0x2, [@TCA_FLOWER_KEY_ENC_IPV4_SRC={0x8, 0x1b, @loopback}]}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000001}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) sendmmsg(r4, &(0x7f00000002c0), 0x40000000000009f, 0x0) r5 = syz_open_dev$tty1(0xc, 0x4, 0x1) r6 = dup(r5) ioctl$KDSKBENT(r6, 0x4b47, &(0x7f0000000000)={0x0, 0x0, 0x27f}) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r7 = socket$inet6_icmp(0xa, 0x2, 0x3a) bind$inet6(r7, &(0x7f00000000c0)={0xa, 0x4e24, 0x80000, @loopback}, 0x1c) r8 = socket$inet6_udp(0xa, 0x2, 0x0) syz_mount_image$ocfs2(&(0x7f00000026c0), &(0x7f00000002c0)='./file0\x00', 0x2010080, &(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x1, 0x4703, &(0x7f000000c7c0)="$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r9 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000540)='pids.events\x00', 0x275a, 0x0) write$binfmt_script(r9, &(0x7f0000000000), 0x208e24b) quotactl$Q_SETQUOTA(0xffffffff80000801, &(0x7f00000000c0)=@loop={'/dev/loop', 0x0}, 0x0, &(0x7f0000000040)={0x80000005, 0x5, 0x4, 0x47, 0x3, 0x7, 0x1ff, 0x6, 0x35}) quotactl$Q_QUOTAON(0xffffffff80000201, &(0x7f0000000180)=@loop={'/dev/loop', 0x0}, 0xffffffffffffffff, 0x0) capset(&(0x7f0000000040)={0x20080522}, &(0x7f0000000080)={0x0, 0x4004, 0x894, 0x0, 0x2}) r10 = creat(&(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0) fcntl$setstatus(r10, 0x4, 0x6000) io_setup(0x200, &(0x7f0000000140)=0x0) io_submit(r11, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0x0, 0x2, 0x1, 0x0, r10, &(0x7f0000000000), 0x4000}]) open(&(0x7f0000000340)='./bus\x00', 0x143142, 0x0) lsetxattr$system_posix_acl(&(0x7f0000000180)='./bus\x00', &(0x7f0000000540)='system.posix_acl_access\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="020000000100000000000000040000000000000008000200", @ANYRES32=0x0, @ANYBLOB="10000200000000002000000000000000"], 0x2c, 0x0) getxattr(&(0x7f00000004c0)='./bus\x00', &(0x7f0000000480)=@random={'btrfs.', 'system.posix_acl_access\x00'}, &(0x7f0000000840)=""/253, 0xfd) sendmmsg$inet(r8, &(0x7f0000002f80)=[{{&(0x7f0000000080)={0x2, 0x4e23, @remote}, 0x10, 0x0}}], 0x1, 0x0) [ 86.509005][ T5317] Zero length message leads to an empty skb [ 86.842149][ T5317] loop0: detected capacity change from 0 to 32768 [ 86.865958][ T5296] Bluetooth: hci0: command tx timeout [ 87.018551][ T5317] (syz.0.0,5317,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 87.027756][ T5317] (syz.0.0,5317,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 87.072172][ T5317] JBD2: Ignoring recovery information on journal [ 87.110325][ T5317] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 87.285343][ T5318] (syz.0.0,5318,0):ocfs2_dio_end_io:2401 ERROR: Direct IO failed, bytes = -122 [ 87.290126][ T5318] [ 87.297083][ T5318] ====================================================== [ 87.300150][ T5318] WARNING: possible circular locking dependency detected [ 87.303202][ T5318] syzkaller #0 Not tainted [ 87.305263][ T5318] ------------------------------------------------------ [ 87.308447][ T5318] syz.0.0/5318 is trying to acquire lock: [ 87.311051][ T5318] ffff888047aba640 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x16a/0x4940 [ 87.316835][ T5318] [ 87.316835][ T5318] but task is already holding lock: [ 87.320099][ T5318] ffff888047bb4e38 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set+0x475/0x13e0 [ 87.324379][ T5318] [ 87.324379][ T5318] which lock already depends on the new lock. [ 87.324379][ T5318] [ 87.329171][ T5318] [ 87.329171][ T5318] the existing dependency chain (in reverse order) is: [ 87.332976][ T5318] [ 87.332976][ T5318] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: [ 87.336181][ T5318] down_read+0x47/0x2e0 [ 87.338308][ T5318] ocfs2_init_acl+0x2fd/0x7e0 [ 87.340474][ T5318] ocfs2_mknod+0x1679/0x2290 [ 87.342839][ T5318] ocfs2_create+0x195/0x490 [ 87.345134][ T5318] path_openat+0x1395/0x3860 [ 87.347538][ T5318] do_file_open+0x23e/0x4a0 [ 87.349832][ T5318] do_sys_openat2+0x113/0x200 [ 87.351993][ T5318] __x64_sys_openat+0x138/0x170 [ 87.353974][ T5318] do_syscall_64+0x14d/0xf80 [ 87.356139][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.358797][ T5318] [ 87.358797][ T5318] -> #3 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 87.362522][ T5318] down_read+0x47/0x2e0 [ 87.364692][ T5318] ocfs2_start_trans+0x3ab/0x700 [ 87.367192][ T5318] ocfs2_modify_bh+0xe3/0x4d0 [ 87.369394][ T5318] ocfs2_local_read_info+0x1454/0x1810 [ 87.372073][ T5318] dquot_load_quota_sb+0x791/0xbd0 [ 87.374579][ T5318] dquot_load_quota_inode+0x2e1/0x5d0 [ 87.377250][ T5318] ocfs2_enable_quotas+0x1c8/0x4a0 [ 87.379621][ T5318] ocfs2_fill_super+0x5305/0x6900 [ 87.381884][ T5318] get_tree_bdev_flags+0x431/0x4f0 [ 87.384056][ T5318] vfs_get_tree+0x92/0x2a0 [ 87.385947][ T5318] do_new_mount+0x341/0xd30 [ 87.387928][ T5318] __se_sys_mount+0x31d/0x420 [ 87.389846][ T5318] do_syscall_64+0x14d/0xf80 [ 87.391921][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.394307][ T5318] [ 87.394307][ T5318] -> #2 (sb_internal#2){.+.+}-{0:0}: [ 87.397177][ T5318] ocfs2_start_trans+0x2ac/0x700 [ 87.399497][ T5318] ocfs2_mknod+0x1181/0x2290 [ 87.401498][ T5318] ocfs2_create+0x195/0x490 [ 87.403613][ T5318] path_openat+0x1395/0x3860 [ 87.405867][ T5318] do_file_open+0x23e/0x4a0 [ 87.408381][ T5318] do_sys_openat2+0x113/0x200 [ 87.410752][ T5318] __x64_sys_openat+0x138/0x170 [ 87.413172][ T5318] do_syscall_64+0x14d/0xf80 [ 87.415588][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.418337][ T5318] [ 87.418337][ T5318] -> #1 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}: [ 87.422889][ T5318] down_write+0x96/0x200 [ 87.424926][ T5318] ocfs2_reserve_local_alloc_bits+0x11f/0x26f0 [ 87.427524][ T5318] ocfs2_reserve_clusters_with_limit+0x1b9/0xc20 [ 87.430813][ T5318] ocfs2_mknod+0x111f/0x2290 [ 87.433629][ T5318] ocfs2_create+0x195/0x490 [ 87.436435][ T5318] path_openat+0x1395/0x3860 [ 87.439281][ T5318] do_file_open+0x23e/0x4a0 [ 87.441935][ T5318] do_sys_openat2+0x113/0x200 [ 87.444137][ T5318] __x64_sys_openat+0x138/0x170 [ 87.446251][ T5318] do_syscall_64+0x14d/0xf80 [ 87.448343][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.450993][ T5318] [ 87.450993][ T5318] -> #0 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}: [ 87.455234][ T5318] __lock_acquire+0x15a5/0x2cf0 [ 87.457381][ T5318] lock_acquire+0xf0/0x2e0 [ 87.459452][ T5318] down_write+0x96/0x200 [ 87.461230][ T5318] ocfs2_reserve_suballoc_bits+0x16a/0x4940 [ 87.464109][ T5318] ocfs2_reserve_new_metadata_blocks+0x415/0x9a0 [ 87.467102][ T5318] ocfs2_init_xattr_set_ctxt+0x2f5/0x790 [ 87.469916][ T5318] ocfs2_xattr_set+0xc42/0x13e0 [ 87.472544][ T5318] ocfs2_set_acl+0x701/0x7b0 [ 87.474990][ T5318] ocfs2_iop_set_acl+0x1b1/0x2b0 [ 87.477399][ T5318] vfs_set_acl+0x8ff/0xc00 [ 87.479631][ T5318] do_set_acl+0xf5/0x190 [ 87.481769][ T5318] filename_setxattr+0x305/0x630 [ 87.484382][ T5318] path_setxattrat+0x3eb/0x440 [ 87.486838][ T5318] __x64_sys_lsetxattr+0xbf/0xe0 [ 87.489263][ T5318] do_syscall_64+0x14d/0xf80 [ 87.491387][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.493893][ T5318] [ 87.493893][ T5318] other info that might help us debug this: [ 87.493893][ T5318] [ 87.497886][ T5318] Chain exists of: [ 87.497886][ T5318] &ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE] --> &journal->j_trans_barrier --> &oi->ip_xattr_sem [ 87.497886][ T5318] [ 87.504649][ T5318] Possible unsafe locking scenario: [ 87.504649][ T5318] [ 87.507602][ T5318] CPU0 CPU1 [ 87.509863][ T5318] ---- ---- [ 87.511881][ T5318] lock(&oi->ip_xattr_sem); [ 87.513591][ T5318] lock(&journal->j_trans_barrier); [ 87.516484][ T5318] lock(&oi->ip_xattr_sem); [ 87.519119][ T5318] lock(&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]); [ 87.521868][ T5318] [ 87.521868][ T5318] *** DEADLOCK *** [ 87.521868][ T5318] [ 87.525259][ T5318] 3 locks held by syz.0.0/5318: [ 87.527433][ T5318] #0: ffff888041f32420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 87.531535][ T5318] #1: ffff888047bb5100 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: vfs_set_acl+0x3af/0xc00 [ 87.535922][ T5318] #2: ffff888047bb4e38 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set+0x475/0x13e0 [ 87.540210][ T5318] [ 87.540210][ T5318] stack backtrace: [ 87.542861][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 87.542877][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.542884][ T5318] Call Trace: [ 87.542892][ T5318] [ 87.542898][ T5318] dump_stack_lvl+0xe8/0x150 [ 87.542920][ T5318] print_circular_bug+0x2e1/0x300 [ 87.542939][ T5318] check_noncircular+0x12e/0x150 [ 87.542957][ T5318] __lock_acquire+0x15a5/0x2cf0 [ 87.542974][ T5318] ? _raw_spin_unlock+0x28/0x50 [ 87.542986][ T5318] ? ocfs2_get_system_file_inode+0x202/0x7e0 [ 87.543002][ T5318] lock_acquire+0xf0/0x2e0 [ 87.543015][ T5318] ? ocfs2_reserve_suballoc_bits+0x16a/0x4940 [ 87.543034][ T5318] down_write+0x96/0x200 [ 87.543048][ T5318] ? ocfs2_reserve_suballoc_bits+0x16a/0x4940 [ 87.543062][ T5318] ? __pfx_down_write+0x10/0x10 [ 87.543078][ T5318] ocfs2_reserve_suballoc_bits+0x16a/0x4940 [ 87.543095][ T5318] ? do_raw_spin_lock+0x12b/0x2f0 [ 87.543109][ T5318] ? __pfx_ocfs2_reserve_suballoc_bits+0x10/0x10 [ 87.543123][ T5318] ? lockdep_hardirqs_on+0x7a/0x110 [ 87.543134][ T5318] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 87.543145][ T5318] ? stack_depot_save_flags+0x3f3/0x810 [ 87.543246][ T5318] ? kasan_save_track+0x4f/0x80 [ 87.543262][ T5318] ? kasan_save_track+0x3e/0x80 [ 87.543276][ T5318] ? __kasan_kmalloc+0x93/0xb0 [ 87.543289][ T5318] ? __kmalloc_cache_noprof+0x31c/0x660 [ 87.543304][ T5318] ? ocfs2_reserve_new_metadata_blocks+0x10c/0x9a0 [ 87.543317][ T5318] ? ocfs2_init_xattr_set_ctxt+0x2f5/0x790 [ 87.543334][ T5318] ? ocfs2_xattr_set+0xc42/0x13e0 [ 87.543348][ T5318] ? ocfs2_set_acl+0x701/0x7b0 [ 87.543362][ T5318] ? ocfs2_iop_set_acl+0x1b1/0x2b0 [ 87.543376][ T5318] ? vfs_set_acl+0x8ff/0xc00 [ 87.543389][ T5318] ? do_set_acl+0xf5/0x190 [ 87.543400][ T5318] ? filename_setxattr+0x305/0x630 [ 87.543412][ T5318] ? path_setxattrat+0x3eb/0x440 [ 87.543425][ T5318] ? __x64_sys_lsetxattr+0xbf/0xe0 [ 87.543436][ T5318] ? do_syscall_64+0x14d/0xf80 [ 87.543448][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.543467][ T5318] ? __kasan_kmalloc+0x93/0xb0 [ 87.543481][ T5318] ? __kmalloc_cache_noprof+0x31c/0x660 [ 87.543496][ T5318] ? ocfs2_reserve_new_metadata_blocks+0x10c/0x9a0 [ 87.543517][ T5318] ? __kmalloc_cache_noprof+0x15b/0x660 [ 87.543534][ T5318] ocfs2_reserve_new_metadata_blocks+0x415/0x9a0 [ 87.543551][ T5318] ? __pfx_ocfs2_reserve_new_metadata_blocks+0x10/0x10 [ 87.543567][ T5318] ? __pfx_ocfs2_calc_xattr_set_need+0x10/0x10 [ 87.543583][ T5318] ocfs2_init_xattr_set_ctxt+0x2f5/0x790 [ 87.543602][ T5318] ? __pfx_ocfs2_init_xattr_set_ctxt+0x10/0x10 [ 87.543618][ T5318] ? ocfs2_xattr_set+0xc08/0x13e0 [ 87.543635][ T5318] ? up_write+0x1ab/0x410 [ 87.543645][ T5318] ? __kmalloc_cache_noprof+0x15b/0x660 [ 87.543660][ T5318] ocfs2_xattr_set+0xc42/0x13e0 [ 87.543680][ T5318] ? __pfx_ocfs2_xattr_set+0x10/0x10 [ 87.543695][ T5318] ? filename_setxattr+0x305/0x630 [ 87.543706][ T5318] ? __x64_sys_lsetxattr+0xbf/0xe0 [ 87.543718][ T5318] ? do_syscall_64+0x14d/0xf80 [ 87.543730][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.543747][ T5318] ? from_kgid+0x1ca/0x660 [ 87.543762][ T5318] ? __pfx_from_kgid+0x10/0x10 [ 87.543774][ T5318] ? __kmalloc_noprof+0x37d/0x760 [ 87.543786][ T5318] ? __pfx_ocfs2_acl_set_mode+0x10/0x10 [ 87.543799][ T5318] ? ocfs2_set_acl+0x11c/0x7b0 [ 87.543812][ T5318] ? __kmalloc_noprof+0x1b8/0x760 [ 87.543827][ T5318] ocfs2_set_acl+0x701/0x7b0 [ 87.543842][ T5318] ocfs2_iop_set_acl+0x1b1/0x2b0 [ 87.543858][ T5318] ? __pfx_ocfs2_iop_set_acl+0x10/0x10 [ 87.543871][ T5318] ? from_kgid+0x1ca/0x660 [ 87.543884][ T5318] ? __pfx_evm_inode_set_acl+0x10/0x10 [ 87.543922][ T5318] ? __pfx_from_kgid+0x10/0x10 [ 87.543938][ T5318] ? __pfx_down_write+0x10/0x10 [ 87.543952][ T5318] ? make_kgid+0x1d1/0x6a0 [ 87.543967][ T5318] ? posix_acl_valid+0x352/0x3e0 [ 87.543981][ T5318] vfs_set_acl+0x8ff/0xc00 [ 87.543997][ T5318] do_set_acl+0xf5/0x190 [ 87.544011][ T5318] filename_setxattr+0x305/0x630 [ 87.544025][ T5318] ? __pfx_filename_setxattr+0x10/0x10 [ 87.544038][ T5318] ? do_getname+0x151/0x250 [ 87.544050][ T5318] path_setxattrat+0x3eb/0x440 [ 87.544066][ T5318] ? __pfx_path_setxattrat+0x10/0x10 [ 87.544080][ T5318] ? do_futex+0x333/0x420 [ 87.544098][ T5318] ? rcu_is_watching+0x15/0xb0 [ 87.544114][ T5318] __x64_sys_lsetxattr+0xbf/0xe0 [ 87.544127][ T5318] do_syscall_64+0x14d/0xf80 [ 87.544139][ T5318] ? trace_irq_disable+0x3b/0x150 [ 87.544154][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.544164][ T5318] ? clear_bhb_loop+0x40/0x90 [ 87.544177][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.544188][ T5318] RIP: 0033:0x7f6359b9bf79 [ 87.544200][ T5318] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 87.544210][ T5318] RSP: 002b:00007f635a9f9028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 87.544223][ T5318] RAX: ffffffffffffffda RBX: 00007f6359e16090 RCX: 00007f6359b9bf79 [ 87.544231][ T5318] RDX: 00002000000001c0 RSI: 0000200000000540 RDI: 0000200000000180 [ 87.544239][ T5318] RBP: 00007f6359c327e0 R08: 0000000000000000 R09: 0000000000000000 [ 87.544246][ T5318] R10: 000000000000002c R11: 0000000000000246 R12: 0000000000000000 [ 87.544253][ T5318] R13: 00007f6359e16128 R14: 00007f6359e16090 R15: 00007fff744c4268 [ 87.544265][ T5318]