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syz_mount_image$fuse(0x0, &(0x7f0000002080)='./file0\x00', 0x0, 0x0, 0x3e, 0x0, 0x0) r0 = inotify_init() syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000200)='./file1\x00', 0x880, &(0x7f0000000600)=ANY=[@ANYBLOB="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", @ANYRESHEX], 0xb, 0x21f, &(0x7f0000000940)="$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") syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./bus\x00', 0x0, 0x0, 0x1, 0x0, &(0x7f0000000180)) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=@newlink={0x44, 0x10, 0x40d, 0x0, 0x0, {}, [@IFLA_MAP={0x24, 0xe, {0xffffffffffffff00, 0x2d1, 0x4, 0x4, 0x9, 0x5}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) mkdirat(r2, &(0x7f0000000000)='./bus/file0\x00', 0x0) renameat2(r2, &(0x7f0000000240)='./bus/file0\x00', r2, &(0x7f00000001c0)='./file0\x00', 0x2) inotify_add_watch(r0, &(0x7f0000000340)='./file0\x00', 0x400030c) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.empty_time\x00', 0x275a, 0x0) ioctl$OCFS2_IOC_REFLINK(r3, 0x40186f04, &(0x7f00000001c0)={&(0x7f0000000100)='blkio.bfq.empty_time\x00', &(0x7f0000000140)='workdir', 0x100000000000}) [ 110.025713][ T5292] Bluetooth: hci0: command tx timeout [ 110.503964][ T5331] loop0: detected capacity change from 0 to 32768 [ 110.513107][ T5331] ======================================================= [ 110.513107][ T5331] WARNING: The mand mount option has been deprecated and [ 110.513107][ T5331] and is ignored by this kernel. Remove the mand [ 110.513107][ T5331] option from the mount to silence this warning. [ 110.513107][ T5331] ======================================================= [ 110.595699][ T5331] JBD2: Ignoring recovery information on journal [ 110.633237][ T5331] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 110.689886][ T5331] [ 110.691042][ T5331] ====================================================== [ 110.693884][ T5331] WARNING: possible circular locking dependency detected [ 110.696721][ T5331] syzkaller #0 Not tainted [ 110.698550][ T5331] ------------------------------------------------------ [ 110.701346][ T5331] syz.0.0/5331 is trying to acquire lock: [ 110.703532][ T5331] ffff8880524a6ba0 (&sb->s_type->i_mutex_key#26/2){+.+.}-{4:4}, at: __ocfs2_reflink+0xace/0x16f0 [ 110.707733][ T5331] [ 110.707733][ T5331] but task is already holding lock: [ 110.710688][ T5331] ffff8880524a7658 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_reflink+0x4d2/0x920 [ 110.714378][ T5331] [ 110.714378][ T5331] which lock already depends on the new lock. [ 110.714378][ T5331] [ 110.718338][ T5331] [ 110.718338][ T5331] the existing dependency chain (in reverse order) is: [ 110.722106][ T5331] [ 110.722106][ T5331] -> #3 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 110.725224][ T5331] down_write+0x96/0x200 [ 110.727311][ T5331] ocfs2_reflink+0x4d2/0x920 [ 110.729454][ T5331] ocfs2_vfs_reflink+0x338/0x450 [ 110.731789][ T5331] ocfs2_reflink_ioctl+0x3a0/0x450 [ 110.734083][ T5331] ocfs2_ioctl+0x5b5/0x7e0 [ 110.736178][ T5331] __se_sys_ioctl+0xfc/0x170 [ 110.738294][ T5331] do_syscall_64+0x174/0x580 [ 110.740380][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.743091][ T5331] [ 110.743091][ T5331] -> #2 (&oi->ip_xattr_sem){++++}-{4:4}: [ 110.746297][ T5331] down_write+0x96/0x200 [ 110.748192][ T5331] ocfs2_reflink+0x4c3/0x920 [ 110.750290][ T5331] ocfs2_vfs_reflink+0x338/0x450 [ 110.752523][ T5331] ocfs2_reflink_ioctl+0x3a0/0x450 [ 110.754889][ T5331] ocfs2_ioctl+0x5b5/0x7e0 [ 110.756869][ T5331] __se_sys_ioctl+0xfc/0x170 [ 110.758715][ T5331] do_syscall_64+0x174/0x580 [ 110.760749][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.763314][ T5331] [ 110.763314][ T5331] -> #1 (&sb->s_type->i_mutex_key#27){+.+.}-{4:4}: [ 110.766768][ T5331] down_write+0x96/0x200 [ 110.768657][ T5331] vfs_rename+0x6e3/0xef0 [ 110.770621][ T5331] filename_renameat2+0x533/0x9a0 [ 110.772797][ T5331] __se_sys_renameat2+0x5a/0x2c0 [ 110.774912][ T5331] do_syscall_64+0x174/0x580 [ 110.776938][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.779566][ T5331] [ 110.779566][ T5331] -> #0 (&sb->s_type->i_mutex_key#26/2){+.+.}-{4:4}: [ 110.783066][ T5331] __lock_acquire+0x1520/0x2cf0 [ 110.785160][ T5331] lock_acquire+0x106/0x350 [ 110.787108][ T5331] down_write_nested+0x9d/0x210 [ 110.789228][ T5331] __ocfs2_reflink+0xace/0x16f0 [ 110.791413][ T5331] ocfs2_reflink+0x4eb/0x920 [ 110.793497][ T5331] ocfs2_vfs_reflink+0x338/0x450 [ 110.795673][ T5331] ocfs2_reflink_ioctl+0x3a0/0x450 [ 110.797902][ T5331] ocfs2_ioctl+0x5b5/0x7e0 [ 110.799951][ T5331] __se_sys_ioctl+0xfc/0x170 [ 110.802073][ T5331] do_syscall_64+0x174/0x580 [ 110.804117][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.806671][ T5331] [ 110.806671][ T5331] other info that might help us debug this: [ 110.806671][ T5331] [ 110.810743][ T5331] Chain exists of: [ 110.810743][ T5331] &sb->s_type->i_mutex_key#26/2 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem [ 110.810743][ T5331] [ 110.816395][ T5331] Possible unsafe locking scenario: [ 110.816395][ T5331] [ 110.819360][ T5331] CPU0 CPU1 [ 110.821521][ T5331] ---- ---- [ 110.823696][ T5331] lock(&oi->ip_alloc_sem); [ 110.825614][ T5331] lock(&oi->ip_xattr_sem); [ 110.828462][ T5331] lock(&oi->ip_alloc_sem); [ 110.831459][ T5331] lock(&sb->s_type->i_mutex_key#26/2); [ 110.833693][ T5331] [ 110.833693][ T5331] *** DEADLOCK *** [ 110.833693][ T5331] [ 110.836972][ T5331] 5 locks held by syz.0.0/5331: [ 110.838911][ T5331] #0: ffff8880337e4450 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 110.842630][ T5331] #1: ffff888042fb25a0 (&type->i_mutex_dir_key#8/1){+.+.}-{4:4}, at: filename_create+0x200/0x370 [ 110.846816][ T5331] #2: ffff8880524a79a0 (&sb->s_type->i_mutex_key#27){+.+.}-{4:4}, at: ocfs2_vfs_reflink+0x2f8/0x450 [ 110.851269][ T5331] #3: ffff8880524a76e8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_reflink+0x4c3/0x920 [ 110.855032][ T5331] #4: ffff8880524a7658 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_reflink+0x4d2/0x920 [ 110.858867][ T5331] [ 110.858867][ T5331] stack backtrace: [ 110.861383][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 110.861398][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 110.861406][ T5331] Call Trace: [ 110.861413][ T5331] [ 110.861420][ T5331] dump_stack_lvl+0xe8/0x150 [ 110.861441][ T5331] print_circular_bug+0x2e1/0x300 [ 110.861456][ T5331] check_noncircular+0x12e/0x150 [ 110.861470][ T5331] __lock_acquire+0x1520/0x2cf0 [ 110.861491][ T5331] ? __ocfs2_reflink+0xace/0x16f0 [ 110.861514][ T5331] lock_acquire+0x106/0x350 [ 110.861529][ T5331] ? __ocfs2_reflink+0xace/0x16f0 [ 110.861548][ T5331] down_write_nested+0x9d/0x210 [ 110.861560][ T5331] ? __ocfs2_reflink+0xace/0x16f0 [ 110.861575][ T5331] ? __pfx_down_write_nested+0x10/0x10 [ 110.861586][ T5331] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 110.861601][ T5331] __ocfs2_reflink+0xace/0x16f0 [ 110.861616][ T5331] ? __pfx___ocfs2_reflink+0x10/0x10 [ 110.861632][ T5331] ? __pfx_ocfs2_journal_access_di+0x10/0x10 [ 110.861651][ T5331] ? ocfs2_reflink+0x4d2/0x920 [ 110.861664][ T5331] ? ocfs2_reflink+0x4d2/0x920 [ 110.861681][ T5331] ? down_write+0x16d/0x200 [ 110.861694][ T5331] ? __pfx_down_write+0x10/0x10 [ 110.861708][ T5331] ocfs2_reflink+0x4eb/0x920 [ 110.861722][ T5331] ? __pfx_ocfs2_reflink+0x10/0x10 [ 110.861740][ T5331] ? __asan_memset+0x22/0x50 [ 110.861751][ T5331] ? __dquot_initialize+0x22c/0xd40 [ 110.861764][ T5331] ? __pfx___dquot_initialize+0x10/0x10 [ 110.861775][ T5331] ? down_write+0x16d/0x200 [ 110.861786][ T5331] ? __pfx_down_write+0x10/0x10 [ 110.861799][ T5331] ? in_group_p+0x89/0x210 [ 110.861814][ T5331] ocfs2_vfs_reflink+0x338/0x450 [ 110.861828][ T5331] ocfs2_reflink_ioctl+0x3a0/0x450 [ 110.861841][ T5331] ? __pfx_ocfs2_reflink_ioctl+0x10/0x10 [ 110.861854][ T5331] ? __might_fault+0xaf/0x130 [ 110.861869][ T5331] ocfs2_ioctl+0x5b5/0x7e0 [ 110.861882][ T5331] ? hook_file_ioctl+0x1f0/0x5f0 [ 110.861896][ T5331] ? __pfx_ocfs2_ioctl+0x10/0x10 [ 110.861916][ T5331] ? __fget_files+0x2a/0x420 [ 110.861968][ T5331] ? __fget_files+0x2a/0x420 [ 110.861980][ T5331] ? __fget_files+0x3a2/0x420 [ 110.861992][ T5331] ? __fget_files+0x2a/0x420 [ 110.862003][ T5331] ? bpf_lsm_file_ioctl+0x9/0x20 [ 110.862014][ T5331] ? __pfx_ocfs2_ioctl+0x10/0x10 [ 110.862025][ T5331] __se_sys_ioctl+0xfc/0x170 [ 110.862041][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.862052][ T5331] do_syscall_64+0x174/0x580 [ 110.862064][ T5331] ? clear_bhb_loop+0x40/0x90 [ 110.862077][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.862088][ T5331] RIP: 0033:0x7f232df9de99 [ 110.862103][ T5331] 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 [ 110.862112][ T5331] RSP: 002b:00007f232ee99fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 110.862124][ T5331] RAX: ffffffffffffffda RBX: 00007f232e225fa0 RCX: 00007f232df9de99 [ 110.862133][ T5331] RDX: 00002000000001c0 RSI: 0000000040186f04 RDI: 0000000000000007 [ 110.862140][ T5331] RBP: 00007f232e033eaf R08: 0000000000000000 R09: 0000000000000000 [ 110.862148][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 110.862154][ T5331] R13: 00007f232e226038 R14: 00007f232e225fa0 R15: 00007fff7ace3668 [ 110.862165][ T5331]