program: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r1 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x1d0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0xae) syz_mount_image$ocfs2(&(0x7f00000026c0), &(0x7f0000004780)='./file0\x00', 0x200000, &(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x1, 0x4703, &(0x7f0000004800)="$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mknod$loop(&(0x7f0000000000)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x1) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000540)='pids.events\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000000), 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r3, 0x0) madvise(&(0x7f0000268000/0x1000)=nil, 0x1000, 0x9) mkdirat(r2, &(0x7f0000000180)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000140)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) r4 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x101042, 0x0) fsetxattr(r4, &(0x7f0000000400)=@known='trusted.overlay.metacopy\x00', &(0x7f00000002c0)='}{^\x00', 0x4, 0x0) setxattr$security_capability(&(0x7f0000000240)='./file0/file1\x00', &(0x7f0000000280), 0x0, 0x0, 0x0) r5 = socket$igmp(0x2, 0x3, 0x2) setsockopt$MRT_ADD_VIF(r5, 0x0, 0xca, &(0x7f0000000500)={0x0, 0x1, 0xb, 0x4, @vifc_lcl_addr=@multicast2, @multicast2}, 0x10) r6 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='U\x00\x00\x00\x00\x00\x00\x00'], 0x20}, 0x1, 0x0, 0x0, 0x4044081}, 0x4040800) recvmmsg(0xffffffffffffffff, &(0x7f0000005ac0)=[{{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000001c0)=""/220, 0xdc}, {&(0x7f00000028c0)=""/4137, 0x1029}, {&(0x7f0000000480)=""/100, 0x64}, {&(0x7f00000008c0)=""/244, 0xf4}, {&(0x7f00000009c0)=""/266, 0x10a}, {&(0x7f0000000680)=""/259, 0x103}], 0x6}, 0x80000000}], 0x1, 0x40000002, 0x0) setresgid(0x0, 0xee00, 0x0) syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f00000005c0)='./file0\x00', 0x0, &(0x7f0000000600), 0x1, 0x56f, &(0x7f0000000640)="$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") quotactl$Q_GETQUOTA(0xffffffff80000701, &(0x7f0000000040)=@loop={'/dev/loop', 0x0}, 0x0, &(0x7f0000000080)) recvmmsg(r6, &(0x7f0000005840), 0x4000000000000ef, 0x20dc, 0x0) [ 84.482527][ T45] Bluetooth: hci0: command tx timeout [ 84.754774][ T5320] syz.0.0 uses obsolete (PF_INET,SOCK_PACKET) [ 85.066573][ T5320] loop0: detected capacity change from 0 to 32768 [ 85.087462][ T5320] (syz.0.0,5320,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 85.106110][ T5320] (syz.0.0,5320,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 85.140859][ T5320] JBD2: Ignoring recovery information on journal [ 85.179842][ T5320] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 86.153743][ T5320] [ 86.154842][ T5320] ====================================================== [ 86.157890][ T5320] WARNING: possible circular locking dependency detected [ 86.161008][ T5320] syzkaller #0 Not tainted [ 86.162959][ T5320] ------------------------------------------------------ [ 86.165978][ T5320] syz.0.0/5320 is trying to acquire lock: [ 86.168400][ T5320] ffff888055c8a640 (&ocfs2_sysfile_lock_key[TRUNCATE_LOG_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_xattr_set+0xba7/0x13e0 [ 86.173675][ T5320] [ 86.173675][ T5320] but task is already holding lock: [ 86.176897][ T5320] ffff888055c84e38 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set+0x475/0x13e0 [ 86.181257][ T5320] [ 86.181257][ T5320] which lock already depends on the new lock. [ 86.181257][ T5320] [ 86.185861][ T5320] [ 86.185861][ T5320] the existing dependency chain (in reverse order) is: [ 86.189770][ T5320] [ 86.189770][ T5320] -> #3 (&oi->ip_xattr_sem){++++}-{4:4}: [ 86.193126][ T5320] down_read+0x47/0x2e0 [ 86.195227][ T5320] ocfs2_init_acl+0x2fd/0x7e0 [ 86.197332][ T5320] ocfs2_mknod+0x1679/0x2290 [ 86.199454][ T5320] ocfs2_create+0x195/0x490 [ 86.201655][ T5320] vfs_create+0x2d1/0x460 [ 86.203764][ T5320] filename_mknodat+0x3e8/0x660 [ 86.205980][ T5320] __se_sys_mknod+0x3a/0x150 [ 86.208097][ T5320] do_syscall_64+0x14d/0xf80 [ 86.210311][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.213046][ T5320] [ 86.213046][ T5320] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 86.216686][ T5320] down_read+0x47/0x2e0 [ 86.218664][ T5320] ocfs2_start_trans+0x3ab/0x700 [ 86.220902][ T5320] ocfs2_modify_bh+0xe3/0x4d0 [ 86.223138][ T5320] ocfs2_local_read_info+0x1454/0x1810 [ 86.225580][ T5320] dquot_load_quota_sb+0x791/0xbd0 [ 86.227798][ T5320] dquot_load_quota_inode+0x2e1/0x5d0 [ 86.230279][ T5320] ocfs2_enable_quotas+0x1c8/0x4a0 [ 86.232818][ T5320] ocfs2_fill_super+0x5305/0x6900 [ 86.235254][ T5320] get_tree_bdev_flags+0x431/0x4f0 [ 86.237670][ T5320] vfs_get_tree+0x92/0x2a0 [ 86.239568][ T5320] do_new_mount+0x341/0xd30 [ 86.241606][ T5320] __se_sys_mount+0x31d/0x420 [ 86.243742][ T5320] do_syscall_64+0x14d/0xf80 [ 86.245903][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.248535][ T5320] [ 86.248535][ T5320] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 86.251522][ T5320] ocfs2_start_trans+0x2ac/0x700 [ 86.253570][ T5320] ocfs2_remove_btree_range+0x84c/0x1610 [ 86.257224][ T5320] ocfs2_remove_inode_range+0x100b/0x2830 [ 86.259773][ T5320] __ocfs2_change_file_space+0x85d/0xf10 [ 86.262542][ T5320] ocfs2_fallocate+0x1f5/0x240 [ 86.265251][ T5320] vfs_fallocate+0x669/0x7e0 [ 86.268103][ T5320] madvise_vma_behavior+0x2b76/0x4300 [ 86.271293][ T5320] madvise_walk_vmas+0x573/0xae0 [ 86.273714][ T5320] madvise_do_behavior+0x386/0x540 [ 86.276025][ T5320] do_madvise+0x1fa/0x2e0 [ 86.278015][ T5320] __x64_sys_madvise+0xa6/0xc0 [ 86.280387][ T5320] do_syscall_64+0x14d/0xf80 [ 86.282733][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.285676][ T5320] [ 86.285676][ T5320] -> #0 (&ocfs2_sysfile_lock_key[TRUNCATE_LOG_SYSTEM_INODE]){+.+.}-{4:4}: [ 86.290419][ T5320] __lock_acquire+0x15a5/0x2cf0 [ 86.292854][ T5320] lock_acquire+0xf0/0x2e0 [ 86.295084][ T5320] down_write+0x96/0x200 [ 86.297195][ T5320] ocfs2_xattr_set+0xba7/0x13e0 [ 86.299669][ T5320] __vfs_setxattr+0x43c/0x480 [ 86.302014][ T5320] __vfs_setxattr_noperm+0x12d/0x660 [ 86.304604][ T5320] vfs_setxattr+0x163/0x360 [ 86.306870][ T5320] file_setxattr+0x1d9/0x2b0 [ 86.309093][ T5320] path_setxattrat+0x3b0/0x440 [ 86.311447][ T5320] __x64_sys_fsetxattr+0xbc/0xe0 [ 86.314161][ T5320] do_syscall_64+0x14d/0xf80 [ 86.316414][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.319288][ T5320] [ 86.319288][ T5320] other info that might help us debug this: [ 86.319288][ T5320] [ 86.323596][ T5320] Chain exists of: [ 86.323596][ T5320] &ocfs2_sysfile_lock_key[TRUNCATE_LOG_SYSTEM_INODE] --> &journal->j_trans_barrier --> &oi->ip_xattr_sem [ 86.323596][ T5320] [ 86.330947][ T5320] Possible unsafe locking scenario: [ 86.330947][ T5320] [ 86.334532][ T5320] CPU0 CPU1 [ 86.336920][ T5320] ---- ---- [ 86.339260][ T5320] lock(&oi->ip_xattr_sem); [ 86.341286][ T5320] lock(&journal->j_trans_barrier); [ 86.344701][ T5320] lock(&oi->ip_xattr_sem); [ 86.347406][ T5320] lock(&ocfs2_sysfile_lock_key[TRUNCATE_LOG_SYSTEM_INODE]); [ 86.350164][ T5320] [ 86.350164][ T5320] *** DEADLOCK *** [ 86.350164][ T5320] [ 86.353621][ T5320] 3 locks held by syz.0.0/5320: [ 86.355795][ T5320] #0: ffff888044bd0420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write_file+0x60/0x200 [ 86.359855][ T5320] #1: ffff888055c85100 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: vfs_setxattr+0x13e/0x360 [ 86.364344][ T5320] #2: ffff888055c84e38 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_xattr_set+0x475/0x13e0 [ 86.368600][ T5320] [ 86.368600][ T5320] stack backtrace: [ 86.371217][ T5320] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.371233][ T5320] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 86.371240][ T5320] Call Trace: [ 86.371248][ T5320] [ 86.371254][ T5320] dump_stack_lvl+0xe8/0x150 [ 86.371276][ T5320] print_circular_bug+0x2e1/0x300 [ 86.371297][ T5320] check_noncircular+0x12e/0x150 [ 86.371315][ T5320] __lock_acquire+0x15a5/0x2cf0 [ 86.371336][ T5320] lock_acquire+0xf0/0x2e0 [ 86.371349][ T5320] ? ocfs2_xattr_set+0xba7/0x13e0 [ 86.371368][ T5320] down_write+0x96/0x200 [ 86.371381][ T5320] ? ocfs2_xattr_set+0xba7/0x13e0 [ 86.371395][ T5320] ? __pfx_down_write+0x10/0x10 [ 86.371406][ T5320] ? ocfs2_xattr_ibody_find+0xcb/0x7c0 [ 86.371420][ T5320] ? __kmalloc_cache_noprof+0x31c/0x660 [ 86.371435][ T5320] ? __kmalloc_cache_noprof+0x15b/0x660 [ 86.371449][ T5320] ocfs2_xattr_set+0xba7/0x13e0 [ 86.371467][ T5320] ? __pfx_ocfs2_xattr_set+0x10/0x10 [ 86.371482][ T5320] ? __kernel_text_address+0xd/0x30 [ 86.371496][ T5320] ? __lock_acquire+0x6b5/0x2cf0 [ 86.371507][ T5320] ? posix_xattr_acl+0x60/0xc0 [ 86.371780][ T5320] ? evm_protect_xattr+0x4d4/0xac0 [ 86.371792][ T5320] ? __pfx_evm_protect_xattr+0x10/0x10 [ 86.371803][ T5320] ? __pfx_ocfs2_xattr_trusted_set+0x10/0x10 [ 86.371818][ T5320] __vfs_setxattr+0x43c/0x480 [ 86.371839][ T5320] __vfs_setxattr_noperm+0x12d/0x660 [ 86.371856][ T5320] vfs_setxattr+0x163/0x360 [ 86.371870][ T5320] ? __pfx_vfs_setxattr+0x10/0x10 [ 86.371882][ T5320] ? sb_start_write+0x114/0x1c0 [ 86.371902][ T5320] ? mnt_want_write_file+0x164/0x200 [ 86.371917][ T5320] file_setxattr+0x1d9/0x2b0 [ 86.371930][ T5320] path_setxattrat+0x3b0/0x440 [ 86.371954][ T5320] ? __pfx_path_setxattrat+0x10/0x10 [ 86.371970][ T5320] ? do_futex+0x333/0x420 [ 86.371991][ T5320] ? rcu_is_watching+0x15/0xb0 [ 86.372008][ T5320] __x64_sys_fsetxattr+0xbc/0xe0 [ 86.372023][ T5320] do_syscall_64+0x14d/0xf80 [ 86.372036][ T5320] ? trace_irq_disable+0x3b/0x150 [ 86.372055][ T5320] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.372066][ T5320] ? clear_bhb_loop+0x40/0x90 [ 86.372078][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.372094][ T5320] RIP: 0033:0x7fb63999bf79 [ 86.372106][ T5320] 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 [ 86.372115][ T5320] RSP: 002b:00007fb63a776028 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 86.372129][ T5320] RAX: ffffffffffffffda RBX: 00007fb639c15fa0 RCX: 00007fb63999bf79 [ 86.372138][ T5320] RDX: 00002000000002c0 RSI: 0000200000000400 RDI: 0000000000000008 [ 86.372146][ T5320] RBP: 00007fb639a327e0 R08: 0000000000000000 R09: 0000000000000000 [ 86.372153][ T5320] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 [ 86.372160][ T5320] R13: 00007fb639c16038 R14: 00007fb639c15fa0 R15: 00007ffc34dc47c8 [ 86.372173][ T5320] [ 86.515010][ T5320] dvmrp0: entered allmulticast mode [ 86.545252][ T45] Bluetooth: hci0: command tx timeout