program: syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x400, &(0x7f0000000140)=ANY=[], 0x1, 0x694, &(0x7f0000001100)="$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") r0 = syz_open_dev$dri(&(0x7f0000000000), 0x2, 0x0) ioctl$DRM_IOCTL_MODE_DIRTYFB(r0, 0xc01864b1, &(0x7f0000000080)={0x0, 0x1, 0x6, 0x0, 0x0}) r1 = creat(&(0x7f0000000100)='./file1\x00', 0x0) setsockopt$sock_void(r1, 0x1, 0x1b, 0x0, 0x0) io_setup(0x202, &(0x7f0000000200)=0x0) add_key(&(0x7f0000000040)='rxrpc\x00', 0x0, &(0x7f0000000080)="0000000000000002ff69000000000001000000c000000002000200861fa72e5b01504104bfeacdd5a9007d167c71e3b8a93aa64d957a684161c833020a6da8881fb79e110483bfadf224a22c76ecc7a56843a85f7df51293f0eb84ef8f0f07342db3b0e5a5647b7bed1fbf069ca713670adf7d9fb6d2600fd9c1981fe9f095cfe9d2fe1e1e34f6096bf02543747b2c792890f07c0da0fa25e6101062e6c9176a70e41698814a213711764f88495994cfd8a57c1e13f6b5298e7ab3a2bfb58dde34d58536633c27882e51ced17d67999b00094461", 0xd4, 0xffffffffffffffff) io_submit(r2, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r1, &(0x7f0000000000), 0x70000}]) syz_mount_image$ext4(&(0x7f0000000580)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x5, &(0x7f0000000000)={[{@prjquota}, {@journal_checksum}, {@journal_checksum}]}, 0x0, 0x5aa, &(0x7f0000001940)="$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") [ 86.287779][ T45] Bluetooth: hci0: command tx timeout [ 86.565019][ T5318] loop0: detected capacity change from 0 to 1024 [ 86.695123][ T5318] [ 86.696425][ T5318] ============================================ [ 86.699585][ T5318] WARNING: possible recursive locking detected [ 86.702322][ T5318] syzkaller #0 Not tainted [ 86.704431][ T5318] -------------------------------------------- [ 86.707460][ T5318] syz.0.0/5318 is trying to acquire lock: [ 86.710582][ T5318] ffff888038bc8e88 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 86.716688][ T5318] [ 86.716688][ T5318] but task is already holding lock: [ 86.720093][ T5318] ffff88804029a2c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 86.725227][ T5318] [ 86.725227][ T5318] other info that might help us debug this: [ 86.728951][ T5318] Possible unsafe locking scenario: [ 86.728951][ T5318] [ 86.732259][ T5318] CPU0 [ 86.733898][ T5318] ---- [ 86.735758][ T5318] lock(&HFSPLUS_I(inode)->extents_lock); [ 86.738655][ T5318] lock(&HFSPLUS_I(inode)->extents_lock); [ 86.741422][ T5318] [ 86.741422][ T5318] *** DEADLOCK *** [ 86.741422][ T5318] [ 86.745062][ T5318] May be due to missing lock nesting notation [ 86.745062][ T5318] [ 86.749055][ T5318] 3 locks held by syz.0.0/5318: [ 86.751551][ T5318] #0: ffff88804029a4b8 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: generic_file_write_iter+0x11e/0x680 [ 86.757322][ T5318] #1: ffff88804029a2c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 86.762463][ T5318] #2: ffff88801f7280b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 86.766789][ T5318] [ 86.766789][ T5318] stack backtrace: [ 86.769990][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.770008][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 86.770016][ T5318] Call Trace: [ 86.770023][ T5318] [ 86.770029][ T5318] dump_stack_lvl+0xe8/0x150 [ 86.770048][ T5318] print_deadlock_bug+0x279/0x290 [ 86.770072][ T5318] __lock_acquire+0x253f/0x2cf0 [ 86.770086][ T5318] ? unwind_next_frame+0xa5/0x23c0 [ 86.770102][ T5318] ? __bfs+0x153/0x290 [ 86.770114][ T5318] ? __pfx_hlock_conflict+0x10/0x10 [ 86.770132][ T5318] lock_acquire+0xf0/0x2e0 [ 86.770144][ T5318] ? hfsplus_file_extend+0x215/0x1d70 [ 86.770162][ T5318] __mutex_lock+0x19f/0x1300 [ 86.770220][ T5318] ? hfsplus_file_extend+0x215/0x1d70 [ 86.770237][ T5318] ? __bfs+0x153/0x290 [ 86.770251][ T5318] ? hfsplus_file_extend+0x215/0x1d70 [ 86.770267][ T5318] ? __pfx___mutex_lock+0x10/0x10 [ 86.770278][ T5318] ? lockdep_unlock+0x5d/0xd0 [ 86.770291][ T5318] ? __lock_acquire+0x146e/0x2cf0 [ 86.770308][ T5318] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 86.770329][ T5318] hfsplus_file_extend+0x215/0x1d70 [ 86.770352][ T5318] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 86.770400][ T5318] ? __pfx___mutex_trylock_common+0x10/0x10 [ 86.770425][ T5318] ? rcu_is_watching+0x15/0xb0 [ 86.770440][ T5318] ? trace_contention_end+0x3d/0x150 [ 86.770457][ T5318] ? __asan_memset+0x22/0x50 [ 86.770473][ T5318] ? hfsplus_brec_find+0x19d/0x520 [ 86.770491][ T5318] hfsplus_bmap_reserve+0x125/0x510 [ 86.770509][ T5318] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 86.770524][ T5318] __hfsplus_ext_cache_extent+0x89/0xe30 [ 86.770547][ T5318] hfsplus_file_extend+0x4af/0x1d70 [ 86.770570][ T5318] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 86.770584][ T5318] ? clean_bdev_aliases+0x62e/0x750 [ 86.770599][ T5318] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 86.770613][ T5318] hfsplus_get_block+0x42c/0x1670 [ 86.770634][ T5318] ? __pfx_hfsplus_get_block+0x10/0x10 [ 86.770654][ T5318] ? do_raw_spin_unlock+0x4d/0x210 [ 86.770669][ T5318] ? _raw_spin_unlock+0x28/0x50 [ 86.770692][ T5318] __block_write_begin_int+0x6c6/0x1910 [ 86.770708][ T5318] ? __pfx_hfsplus_get_block+0x10/0x10 [ 86.770721][ T5318] ? __pfx___block_write_begin_int+0x10/0x10 [ 86.770738][ T5318] cont_write_begin+0x737/0xae0 [ 86.770748][ T5318] ? irqentry_exit+0x59e/0x620 [ 86.770759][ T5318] ? __pfx_cont_write_begin+0x10/0x10 [ 86.770775][ T5318] hfsplus_write_begin+0x66/0xb0 [ 86.770796][ T5318] ? __pfx_hfsplus_get_block+0x10/0x10 [ 86.770817][ T5318] generic_perform_write+0x2e2/0x8f0 [ 86.770837][ T5318] ? __pfx_generic_perform_write+0x10/0x10 [ 86.770853][ T5318] ? file_update_time_flags+0x219/0x4a0 [ 86.770876][ T5318] ? __generic_file_write_iter+0xf9/0x230 [ 86.770890][ T5318] ? generic_file_write_iter+0x136/0x680 [ 86.770900][ T5318] generic_file_write_iter+0x14a/0x680 [ 86.770911][ T5318] ? __pfx_generic_file_write_iter+0x10/0x10 [ 86.770920][ T5318] ? do_raw_spin_lock+0x12b/0x2f0 [ 86.770930][ T5318] ? __lock_acquire+0x6b5/0x2cf0 [ 86.770942][ T5318] ? lockdep_hardirqs_on+0x7a/0x110 [ 86.770952][ T5318] ? kasan_save_track+0x4f/0x80 [ 86.770968][ T5318] ? aio_write+0x547/0x870 [ 86.770980][ T5318] aio_write+0x5cd/0x870 [ 86.770994][ T5318] ? __pfx_aio_write+0x10/0x10 [ 86.771013][ T5318] io_submit_one+0x7bb/0x14c0 [ 86.771026][ T5318] ? irqentry_exit+0x59e/0x620 [ 86.771039][ T5318] ? trace_irq_disable+0x3b/0x150 [ 86.771072][ T5318] ? __pfx_io_submit_one+0x10/0x10 [ 86.771090][ T5318] ? __might_fault+0xaf/0x130 [ 86.771113][ T5318] __se_sys_io_submit+0x195/0x340 [ 86.771134][ T5318] ? __pfx___se_sys_io_submit+0x10/0x10 [ 86.771159][ T5318] do_syscall_64+0x14d/0xf80 [ 86.771172][ T5318] ? trace_irq_disable+0x3b/0x150 [ 86.771192][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.771208][ T5318] ? clear_bhb_loop+0x40/0x90 [ 86.771225][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.771241][ T5318] RIP: 0033:0x7f4fd7b9c799 [ 86.771258][ 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 [ 86.771270][ T5318] RSP: 002b:00007f4fd8ae2fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 86.771287][ T5318] RAX: ffffffffffffffda RBX: 00007f4fd7e15fa0 RCX: 00007f4fd7b9c799 [ 86.771298][ T5318] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007f4fd8a99000 [ 86.771307][ T5318] RBP: 00007f4fd7c32c99 R08: 0000000000000000 R09: 0000000000000000 [ 86.771313][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.771318][ T5318] R13: 00007f4fd7e16038 R14: 00007f4fd7e15fa0 R15: 00007ffe18c74f48 [ 86.771328][ T5318]