program: syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x400, &(0x7f0000000140)=ANY=[], 0x1, 0x694, &(0x7f0000001100)="$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") r0 = creat(&(0x7f0000000100)='./file1\x00', 0x4) io_setup(0x202, &(0x7f0000000200)=0x0) r2 = socket$can_raw(0x1d, 0x3, 0x1) setsockopt$CAN_RAW_FILTER(r2, 0x65, 0x1, &(0x7f0000000000), 0x1e) io_submit(r1, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x70000}]) r3 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) connect$bt_l2cap(r3, &(0x7f0000000100)={0x1f, 0x8ef, @none}, 0xe) connect$bt_l2cap(r3, &(0x7f00000000c0)={0x1f, 0xf4aa, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x12}, 0x0, 0x2}, 0xe) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="540000000206030000000000000000000000000005000100070000000900020073797a31000000000c0007800800130000000000050005000000000005000400000000000d000300686173683a6d616300000000dadaad8fa194c53e03feee402dab17ed41939e31b13ff3acdd1500fd8ed0918b034c42c4061a9a180b59eb8150be005c4cd1292026bd2ad535f18578611a0bf5302c31b4a3798e7a305c05924850de2b853f38b7679dfc0f82266f6761e2ef3dfcbbbbb83df407634e78fa74d62c72b4ce6e5723fa526a8b7cd9a842b502a8df23885d814e2751a6ca9b4e928daacb521d250c5a8390"], 0x54}}, 0x0) syz_usb_connect(0x0, 0x4f1, 0x0, &(0x7f00000006c0)={0x0, 0x0, 0x8, 0x0, 0x1, [{0x21, &(0x7f00000000c0)=ANY=[@ANYBLOB="2103c85ca901d5"]}]}) syz_emit_vhci(&(0x7f00000000c0)=ANY=[@ANYBLOB="040e04692420"], 0x7) r5 = openat$vimc0(0xffffffffffffff9c, &(0x7f0000008ec0), 0x2, 0x0) ioctl$VIDIOC_G_SELECTION(r5, 0xc040565e, &(0x7f0000008f00)={0x2, 0x2, 0x6, {0x7, 0x1, 0x7fffffff, 0x9}}) r6 = socket$pptp(0x18, 0x1, 0x2) ioctl$BTRFS_IOC_QGROUP_ASSIGN(r6, 0x40189429, &(0x7f0000000000)={0x1, 0xfffffffffffffff8, 0x9}) [ 74.990788][ T5298] Bluetooth: hci0: command tx timeout [ 75.048989][ T5318] loop0: detected capacity change from 0 to 1024 [ 75.128295][ T5318] [ 75.129452][ T5318] ============================================ [ 75.132161][ T5318] WARNING: possible recursive locking detected [ 75.134857][ T5318] syzkaller #0 Not tainted [ 75.136826][ T5318] -------------------------------------------- [ 75.139467][ T5318] syz.0.0/5318 is trying to acquire lock: [ 75.142004][ T5318] ffff88805238c108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1f8/0x1ba0 [ 75.146751][ T5318] [ 75.146751][ T5318] but task is already holding lock: [ 75.149790][ T5318] ffff88805238e988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1f8/0x1ba0 [ 75.154595][ T5318] [ 75.154595][ T5318] other info that might help us debug this: [ 75.158276][ T5318] Possible unsafe locking scenario: [ 75.158276][ T5318] [ 75.161580][ T5318] CPU0 [ 75.163013][ T5318] ---- [ 75.164406][ T5318] lock(&HFSPLUS_I(inode)->extents_lock); [ 75.166706][ T5318] lock(&HFSPLUS_I(inode)->extents_lock); [ 75.169077][ T5318] [ 75.169077][ T5318] *** DEADLOCK *** [ 75.169077][ T5318] [ 75.172212][ T5318] May be due to missing lock nesting notation [ 75.172212][ T5318] [ 75.175369][ T5318] 3 locks held by syz.0.0/5318: [ 75.177318][ T5318] #0: ffff88805238eb78 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: generic_file_write_iter+0xeb/0x550 [ 75.182010][ T5318] #1: ffff88805238e988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1f8/0x1ba0 [ 75.187135][ T5318] #2: ffff88803ea340b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x290 [ 75.191248][ T5318] [ 75.191248][ T5318] stack backtrace: [ 75.193599][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.193617][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.193625][ T5318] Call Trace: [ 75.193633][ T5318] [ 75.193638][ T5318] dump_stack_lvl+0x189/0x250 [ 75.193662][ T5318] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.193679][ T5318] ? __pfx__printk+0x10/0x10 [ 75.193692][ T5318] ? print_lock_name+0xde/0x100 [ 75.193706][ T5318] print_deadlock_bug+0x28b/0x2a0 [ 75.193722][ T5318] validate_chain+0x1a3f/0x2140 [ 75.193737][ T5318] ? __bfs+0x154/0x2a0 [ 75.193750][ T5318] ? check_path+0x21/0x40 [ 75.193763][ T5318] ? look_up_lock_class+0x74/0x170 [ 75.193825][ T5318] ? register_lock_class+0x51/0x320 [ 75.193838][ T5318] __lock_acquire+0xab9/0xd20 [ 75.193851][ T5318] ? hfsplus_file_extend+0x1f8/0x1ba0 [ 75.193867][ T5318] lock_acquire+0x120/0x360 [ 75.193878][ T5318] ? hfsplus_file_extend+0x1f8/0x1ba0 [ 75.193897][ T5318] __mutex_lock+0x187/0x1350 [ 75.193912][ T5318] ? hfsplus_file_extend+0x1f8/0x1ba0 [ 75.193927][ T5318] ? check_path+0x21/0x40 [ 75.193940][ T5318] ? check_noncircular+0xe0/0x160 [ 75.193954][ T5318] ? hfsplus_file_extend+0x1f8/0x1ba0 [ 75.193968][ T5318] ? lockdep_unlock+0x89/0x120 [ 75.193984][ T5318] ? __pfx___mutex_lock+0x10/0x10 [ 75.194005][ T5318] hfsplus_file_extend+0x1f8/0x1ba0 [ 75.194019][ T5318] ? __lock_acquire+0xab9/0xd20 [ 75.194032][ T5318] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 75.194046][ T5318] ? __pfx___mutex_trylock_common+0x10/0x10 [ 75.194059][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.194072][ T5318] ? rcu_is_watching+0x15/0xb0 [ 75.194086][ T5318] ? trace_contention_end+0x39/0x120 [ 75.194101][ T5318] ? __asan_memset+0x22/0x50 [ 75.194115][ T5318] ? hfsplus_brec_find+0x1a9/0x510 [ 75.194128][ T5318] hfsplus_bmap_reserve+0x122/0x500 [ 75.194149][ T5318] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 75.194164][ T5318] __hfsplus_ext_cache_extent+0x89/0xe30 [ 75.194180][ T5318] hfsplus_file_extend+0x437/0x1ba0 [ 75.194196][ T5318] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 75.194212][ T5318] ? clean_bdev_aliases+0x5c9/0x6b0 [ 75.194224][ T5318] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 75.194244][ T5318] hfsplus_get_block+0x40a/0x15d0 [ 75.194261][ T5318] ? __pfx_hfsplus_get_block+0x10/0x10 [ 75.194275][ T5318] ? do_raw_spin_unlock+0x4d/0x240 [ 75.194289][ T5318] ? _raw_spin_unlock+0x28/0x50 [ 75.194302][ T5318] __block_write_begin_int+0x6b5/0x1900 [ 75.194319][ T5318] ? __pfx_workingset_update_node+0x10/0x10 [ 75.194335][ T5318] ? __pfx_hfsplus_get_block+0x10/0x10 [ 75.194349][ T5318] ? __pfx___block_write_begin_int+0x10/0x10 [ 75.194362][ T5318] cont_write_begin+0x789/0xb50 [ 75.194378][ T5318] ? __pfx_cont_write_begin+0x10/0x10 [ 75.194391][ T5318] ? __pfx___might_resched+0x10/0x10 [ 75.194403][ T5318] ? __mark_inode_dirty+0x3d2/0xe10 [ 75.194414][ T5318] ? folio_unlock+0x101/0x160 [ 75.194430][ T5318] hfsplus_write_begin+0x66/0xb0 [ 75.194442][ T5318] ? __pfx_hfsplus_get_block+0x10/0x10 [ 75.194456][ T5318] generic_perform_write+0x2c5/0x900 [ 75.194469][ T5318] ? __pfx_generic_perform_write+0x10/0x10 [ 75.194480][ T5318] ? file_update_time+0x2da/0x490 [ 75.194492][ T5318] ? __generic_file_write_iter+0xf9/0x230 [ 75.194502][ T5318] ? generic_file_write_iter+0x103/0x550 [ 75.194513][ T5318] generic_file_write_iter+0x117/0x550 [ 75.194524][ T5318] ? __pfx_generic_file_write_iter+0x10/0x10 [ 75.194536][ T5318] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 75.194550][ T5318] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 75.194564][ T5318] ? __pfx_aa_file_perm+0x10/0x10 [ 75.194583][ T5318] ? __lock_acquire+0xab9/0xd20 [ 75.194599][ T5318] ? aio_write+0x4c4/0x7a0 [ 75.194612][ T5318] aio_write+0x535/0x7a0 [ 75.194625][ T5318] ? __pfx_aio_write+0x10/0x10 [ 75.194640][ T5318] ? __might_fault+0xb0/0x130 [ 75.194657][ T5318] io_submit_one+0x78b/0x1310 [ 75.194672][ T5318] ? __pfx_io_submit_one+0x10/0x10 [ 75.194683][ T5318] ? __might_fault+0xb0/0x130 [ 75.194699][ T5318] ? __might_fault+0xb0/0x130 [ 75.194714][ T5318] __se_sys_io_submit+0x185/0x2f0 [ 75.194732][ T5318] ? __pfx___se_sys_io_submit+0x10/0x10 [ 75.194751][ T5318] ? do_syscall_64+0xbe/0xfa0 [ 75.194767][ T5318] do_syscall_64+0xfa/0xfa0 [ 75.194782][ T5318] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.194797][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.194809][ T5318] ? clear_bhb_loop+0x60/0xb0 [ 75.194822][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.194833][ T5318] RIP: 0033:0x7fc2cb78f6c9 [ 75.194846][ T5318] 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 [ 75.194856][ T5318] RSP: 002b:00007fc2cc584038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 75.194870][ T5318] RAX: ffffffffffffffda RBX: 00007fc2cb9e5fa0 RCX: 00007fc2cb78f6c9 [ 75.194879][ T5318] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007fc2cc53a000 [ 75.194887][ T5318] RBP: 00007fc2cb811f91 R08: 0000000000000000 R09: 0000000000000000 [ 75.194895][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.194903][ T5318] R13: 00007fc2cb9e6038 R14: 00007fc2cb9e5fa0 R15: 00007ffea21aea68 [ 75.194915][ T5318] [ 76.431919][ T1315] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.435191][ T1315] ieee802154 phy1 wpan1: encryption failed: -22 [ 77.550640][ T4669] Bluetooth: hci0: command 0x040f tx timeout