program: syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x400, &(0x7f0000000140)=ANY=[], 0x1, 0x694, &(0x7f0000001100)="$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") r0 = creat(&(0x7f0000000180)='./file1\x00', 0x0) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r1, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x70000}]) socket$nl_netfilter(0x10, 0x3, 0xc) r2 = openat$hpet(0xffffffffffffff9c, &(0x7f0000000000), 0x480000, 0x0) renameat2(r0, &(0x7f0000000140)='./file1\x00', r0, &(0x7f0000000280)='./file1\x00', 0x1) r3 = socket$can_bcm(0x1d, 0x2, 0x2) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000005c0)=ANY=[@ANYBLOB="300000002000010000000000000000000a0000000000000000000000140011"], 0x30}}, 0x0) r5 = socket$qrtr(0x2a, 0x2, 0x0) ioctl$SNDRV_PCM_IOCTL_HW_FREE(r0, 0x4112, 0x0) ioctl$sock_ifreq(r5, 0x8923, &(0x7f0000000040)={'bond0\x00', @ifru_settings={0x4, 0x10, @sync=0x0}}) r6 = socket$can_bcm(0x1d, 0x2, 0x2) connect$can_bcm(r6, &(0x7f00000000c0), 0x10) r7 = dup3(r6, r3, 0x0) r8 = socket$unix(0x1, 0x5, 0x0) ioperm(0x6, 0x1, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(r8, 0x8933, &(0x7f0000000100)={'vcan0\x00', 0x0}) sendmsg$can_bcm(r7, &(0x7f0000000080)={&(0x7f00000001c0)={0x1d, r9, 0x3f420f00}, 0x10, &(0x7f0000000240)={&(0x7f0000000580)=ANY=[], 0x4640}, 0x2}, 0x2c004000) ioctl$SNDRV_PCM_IOCTL_HW_FREE(r2, 0x4112, 0x0) [ 85.052190][ T5342] Bluetooth: hci0: command tx timeout [ 85.124143][ T5363] loop0: detected capacity change from 0 to 1024 [ 85.257070][ T5363] [ 85.258493][ T5363] ============================================ [ 85.261348][ T5363] WARNING: possible recursive locking detected [ 85.264227][ T5363] syzkaller #0 Not tainted [ 85.267010][ T5363] -------------------------------------------- [ 85.270274][ T5363] syz.0.0/5363 is trying to acquire lock: [ 85.272923][ T5363] ffff888052d04108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 85.279803][ T5363] [ 85.279803][ T5363] but task is already holding lock: [ 85.286922][ T5363] ffff888052d06988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 85.318740][ T5363] [ 85.318740][ T5363] other info that might help us debug this: [ 85.322882][ T5363] Possible unsafe locking scenario: [ 85.322882][ T5363] [ 85.326889][ T5363] CPU0 [ 85.328665][ T5363] ---- [ 85.330208][ T5363] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.332943][ T5363] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.335977][ T5363] [ 85.335977][ T5363] *** DEADLOCK *** [ 85.335977][ T5363] [ 85.353363][ T5363] May be due to missing lock nesting notation [ 85.353363][ T5363] [ 85.359102][ T5363] 3 locks held by syz.0.0/5363: [ 85.361597][ T5363] #0: ffff888052d06b78 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: generic_file_write_iter+0xeb/0x550 [ 85.370281][ T5363] #1: ffff888052d06988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 85.378500][ T5363] #2: ffff88801eb100b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 85.384936][ T5363] [ 85.384936][ T5363] stack backtrace: [ 85.389220][ T5363] CPU: 0 UID: 0 PID: 5363 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.389245][ T5363] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.389266][ T5363] Call Trace: [ 85.389278][ T5363] [ 85.389287][ T5363] dump_stack_lvl+0x189/0x250 [ 85.389313][ T5363] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.389330][ T5363] ? __pfx__printk+0x10/0x10 [ 85.389349][ T5363] ? print_lock_name+0xde/0x100 [ 85.389366][ T5363] print_deadlock_bug+0x28b/0x2a0 [ 85.389381][ T5363] validate_chain+0x1a3f/0x2140 [ 85.389394][ T5363] ? __bfs+0x154/0x2a0 [ 85.389407][ T5363] ? check_path+0x21/0x40 [ 85.389420][ T5363] ? look_up_lock_class+0x74/0x170 [ 85.389489][ T5363] ? register_lock_class+0x51/0x320 [ 85.389510][ T5363] __lock_acquire+0xab9/0xd20 [ 85.389529][ T5363] ? hfsplus_file_extend+0x1fc/0x1990 [ 85.389542][ T5363] lock_acquire+0x120/0x360 [ 85.389558][ T5363] ? hfsplus_file_extend+0x1fc/0x1990 [ 85.389579][ T5363] __mutex_lock+0x187/0x1350 [ 85.389596][ T5363] ? hfsplus_file_extend+0x1fc/0x1990 [ 85.389612][ T5363] ? check_path+0x21/0x40 [ 85.389625][ T5363] ? check_noncircular+0xe0/0x160 [ 85.389642][ T5363] ? hfsplus_file_extend+0x1fc/0x1990 [ 85.389659][ T5363] ? lockdep_unlock+0x89/0x120 [ 85.389678][ T5363] ? __pfx___mutex_lock+0x10/0x10 [ 85.389693][ T5363] hfsplus_file_extend+0x1fc/0x1990 [ 85.389706][ T5363] ? __lock_acquire+0xab9/0xd20 [ 85.389723][ T5363] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 85.389735][ T5363] ? __pfx___mutex_trylock_common+0x10/0x10 [ 85.389746][ T5363] ? __se_sys_io_submit+0x185/0x2f0 [ 85.389760][ T5363] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.389772][ T5363] ? rcu_is_watching+0x15/0xb0 [ 85.389784][ T5363] ? trace_contention_end+0x39/0x120 [ 85.389796][ T5363] ? __mutex_lock+0x335/0x1350 [ 85.389807][ T5363] ? hfsplus_brec_find+0x191/0x500 [ 85.389827][ T5363] hfsplus_bmap_reserve+0x122/0x500 [ 85.389843][ T5363] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 85.389857][ T5363] __hfsplus_ext_cache_extent+0x89/0xe30 [ 85.389870][ T5363] hfsplus_file_extend+0x444/0x1990 [ 85.389884][ T5363] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 85.389897][ T5363] ? clean_bdev_aliases+0x5c9/0x6b0 [ 85.389909][ T5363] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 85.389919][ T5363] hfsplus_get_block+0x411/0x1530 [ 85.389933][ T5363] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.389945][ T5363] ? do_raw_spin_unlock+0x4d/0x240 [ 85.389959][ T5363] ? _raw_spin_unlock+0x28/0x50 [ 85.389975][ T5363] __block_write_begin_int+0x6b2/0x1900 [ 85.389988][ T5363] ? folio_add_lru+0x1b2/0x3d0 [ 85.390006][ T5363] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.390020][ T5363] ? __pfx___block_write_begin_int+0x10/0x10 [ 85.390034][ T5363] cont_write_begin+0x789/0xb50 [ 85.390047][ T5363] ? __pfx_cont_write_begin+0x10/0x10 [ 85.390057][ T5363] ? __pfx___might_resched+0x10/0x10 [ 85.390067][ T5363] ? __mark_inode_dirty+0x3d2/0xe10 [ 85.390083][ T5363] ? folio_unlock+0x101/0x160 [ 85.390100][ T5363] hfsplus_write_begin+0x66/0xb0 [ 85.390110][ T5363] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.390122][ T5363] generic_perform_write+0x2c2/0x900 [ 85.390137][ T5363] ? __pfx_generic_perform_write+0x10/0x10 [ 85.390147][ T5363] ? file_update_time+0x2da/0x490 [ 85.390159][ T5363] ? __generic_file_write_iter+0xf9/0x230 [ 85.390170][ T5363] ? generic_file_write_iter+0x103/0x550 [ 85.390184][ T5363] generic_file_write_iter+0x117/0x550 [ 85.390197][ T5363] ? __pfx_generic_file_write_iter+0x10/0x10 [ 85.390208][ T5363] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.390219][ T5363] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 85.390234][ T5363] ? __pfx_aa_file_perm+0x10/0x10 [ 85.390260][ T5363] ? __lock_acquire+0xab9/0xd20 [ 85.390283][ T5363] ? aio_write+0x4c4/0x7a0 [ 85.390303][ T5363] aio_write+0x535/0x7a0 [ 85.390320][ T5363] ? __pfx_aio_write+0x10/0x10 [ 85.390336][ T5363] ? __might_fault+0xb0/0x130 [ 85.390352][ T5363] io_submit_one+0x78b/0x1310 [ 85.390369][ T5363] ? __pfx_io_submit_one+0x10/0x10 [ 85.390384][ T5363] ? __might_fault+0xb0/0x130 [ 85.390398][ T5363] ? __might_fault+0xb0/0x130 [ 85.390411][ T5363] __se_sys_io_submit+0x185/0x2f0 [ 85.390427][ T5363] ? __pfx___se_sys_io_submit+0x10/0x10 [ 85.390444][ T5363] ? do_syscall_64+0xbe/0x3b0 [ 85.390457][ T5363] do_syscall_64+0xfa/0x3b0 [ 85.390468][ T5363] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.390478][ T5363] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.390489][ T5363] ? clear_bhb_loop+0x60/0xb0 [ 85.390500][ T5363] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.390514][ T5363] RIP: 0033:0x7fdca758ec29 [ 85.390527][ T5363] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 85.390537][ T5363] RSP: 002b:00007fdca83d9038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 85.390584][ T5363] RAX: ffffffffffffffda RBX: 00007fdca77d5fa0 RCX: 00007fdca758ec29 [ 85.390595][ T5363] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007fdca838f000 [ 85.390604][ T5363] RBP: 00007fdca7611e41 R08: 0000000000000000 R09: 0000000000000000 [ 85.390613][ T5363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.390621][ T5363] R13: 00007fdca77d6038 R14: 00007fdca77d5fa0 R15: 00007ffd82f28c48 [ 85.390634][ T5363] [ 85.726847][ T5364] : renamed from bond0 (while UP)