program: syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x400, &(0x7f0000000140)=ANY=[], 0x1, 0x694, &(0x7f0000001100)="$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") r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) io_setup(0x202, &(0x7f0000000200)=0x0) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5010, 0x0) r2 = open(&(0x7f0000000180)='./file1\x00', 0x8000, 0x2) ioctl$LOOP_SET_STATUS64(r2, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x15, 0x1c, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x204]}) io_submit(r1, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x70000}]) [ 85.010777][ T4689] Bluetooth: hci0: command tx timeout [ 85.097440][ T5348] loop0: detected capacity change from 0 to 1024 [ 85.187376][ T25] audit: type=1800 audit(1767544178.170:2): pid=5348 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.0.0" name="file1" dev="loop0" ino=20 res=0 errno=0 [ 85.201025][ T5348] [ 85.202111][ T5348] ====================================================== [ 85.204809][ T5348] WARNING: possible circular locking dependency detected [ 85.208137][ T5348] syzkaller #0 Not tainted [ 85.210055][ T5348] ------------------------------------------------------ [ 85.213097][ T5348] syz.0.0/5348 is trying to acquire lock: [ 85.215587][ T5348] ffff8880426d8108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1f8/0x1c30 [ 85.220527][ T5348] [ 85.220527][ T5348] but task is already holding lock: [ 85.223869][ T5348] ffff8880374da0b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 85.228012][ T5348] [ 85.228012][ T5348] which lock already depends on the new lock. [ 85.228012][ T5348] [ 85.232637][ T5348] [ 85.232637][ T5348] the existing dependency chain (in reverse order) is: [ 85.236297][ T5348] [ 85.236297][ T5348] -> #1 (&tree->tree_lock/1){+.+.}-{4:4}: [ 85.239716][ T5348] __mutex_lock+0x187/0x1350 [ 85.242020][ T5348] hfsplus_find_init+0x168/0x2d0 [ 85.244187][ T5348] hfsplus_get_block+0x8dc/0x1600 [ 85.246594][ T5348] block_read_full_folio+0x29f/0x830 [ 85.249189][ T5348] read_pages+0x35d/0x580 [ 85.251293][ T5348] page_cache_ra_unbounded+0x750/0x990 [ 85.253854][ T5348] filemap_get_pages+0x468/0x1dc0 [ 85.256150][ T5348] filemap_read+0x3f6/0x11a0 [ 85.258294][ T5348] __kernel_read+0x4cf/0x960 [ 85.260445][ T5348] integrity_kernel_read+0x89/0xd0 [ 85.262674][ T5348] ima_calc_file_hash+0x85e/0x16f0 [ 85.264836][ T5348] ima_collect_measurement+0x428/0x8f0 [ 85.267307][ T5348] process_measurement+0x111e/0x1a70 [ 85.269715][ T5348] ima_file_check+0xd9/0x130 [ 85.271882][ T5348] security_file_post_open+0xbb/0x290 [ 85.274479][ T5348] path_openat+0x3456/0x3dd0 [ 85.276808][ T5348] do_filp_open+0x1fa/0x410 [ 85.279077][ T5348] do_sys_openat2+0x121/0x200 [ 85.281106][ T5348] __x64_sys_open+0x11e/0x150 [ 85.283194][ T5348] do_syscall_64+0xec/0xf80 [ 85.285284][ T5348] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.288124][ T5348] [ 85.288124][ T5348] -> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}: [ 85.292052][ T5348] __lock_acquire+0x15a6/0x2cf0 [ 85.294307][ T5348] lock_acquire+0x107/0x340 [ 85.296457][ T5348] __mutex_lock+0x187/0x1350 [ 85.298711][ T5348] hfsplus_file_extend+0x1f8/0x1c30 [ 85.301073][ T5348] hfsplus_bmap_reserve+0x125/0x510 [ 85.303475][ T5348] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 85.306116][ T5348] __hfsplus_ext_cache_extent+0x89/0xe30 [ 85.308600][ T5348] hfsplus_file_extend+0x437/0x1c30 [ 85.311120][ T5348] hfsplus_get_block+0x40a/0x1600 [ 85.313557][ T5348] __block_write_begin_int+0x6b5/0x1900 [ 85.316212][ T5348] cont_write_begin+0x78c/0xb50 [ 85.318593][ T5348] hfsplus_write_begin+0x66/0xb0 [ 85.320688][ T5348] generic_perform_write+0x2c5/0x900 [ 85.322882][ T5348] generic_file_write_iter+0x117/0x550 [ 85.325997][ T5348] aio_write+0x535/0x7a0 [ 85.328013][ T5348] io_submit_one+0x775/0x1430 [ 85.330129][ T5348] __se_sys_io_submit+0x185/0x320 [ 85.332406][ T5348] do_syscall_64+0xec/0xf80 [ 85.334632][ T5348] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.337618][ T5348] [ 85.337618][ T5348] other info that might help us debug this: [ 85.337618][ T5348] [ 85.342064][ T5348] Possible unsafe locking scenario: [ 85.342064][ T5348] [ 85.345109][ T5348] CPU0 CPU1 [ 85.347598][ T5348] ---- ---- [ 85.350012][ T5348] lock(&tree->tree_lock/1); [ 85.352135][ T5348] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.355696][ T5348] lock(&tree->tree_lock/1); [ 85.358686][ T5348] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.361288][ T5348] [ 85.361288][ T5348] *** DEADLOCK *** [ 85.361288][ T5348] [ 85.364498][ T5348] 3 locks held by syz.0.0/5348: [ 85.366290][ T5348] #0: ffff8880426dab78 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: generic_file_write_iter+0xeb/0x550 [ 85.370909][ T5348] #1: ffff8880426da988 (&hip->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1f8/0x1c30 [ 85.374636][ T5348] #2: ffff8880374da0b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 85.379382][ T5348] [ 85.379382][ T5348] stack backtrace: [ 85.382207][ T5348] CPU: 0 UID: 0 PID: 5348 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.382232][ T5348] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.382246][ T5348] Call Trace: [ 85.382276][ T5348] [ 85.382283][ T5348] dump_stack_lvl+0xe8/0x150 [ 85.382304][ T5348] print_circular_bug+0x2e2/0x300 [ 85.382322][ T5348] check_noncircular+0x12e/0x150 [ 85.382336][ T5348] __lock_acquire+0x15a6/0x2cf0 [ 85.382348][ T5348] ? rcu_is_watching+0x15/0xb0 [ 85.382361][ T5348] ? __kasan_check_byte+0x12/0x40 [ 85.382373][ T5348] ? rcu_is_watching+0x15/0xb0 [ 85.382385][ T5348] ? lock_release+0x4b/0x3b0 [ 85.382396][ T5348] ? lock_release+0x4b/0x3b0 [ 85.382407][ T5348] ? hfsplus_file_extend+0x1f8/0x1c30 [ 85.382419][ T5348] lock_acquire+0x107/0x340 [ 85.382430][ T5348] ? hfsplus_file_extend+0x1f8/0x1c30 [ 85.382445][ T5348] __mutex_lock+0x187/0x1350 [ 85.382479][ T5348] ? hfsplus_file_extend+0x1f8/0x1c30 [ 85.382494][ T5348] ? stack_trace_save+0x9c/0xe0 [ 85.382513][ T5348] ? __pfx_stack_trace_save+0x10/0x10 [ 85.382531][ T5348] ? hfsplus_file_extend+0x1f8/0x1c30 [ 85.382544][ T5348] ? check_noncircular+0xda/0x150 [ 85.382558][ T5348] ? __pfx___mutex_lock+0x10/0x10 [ 85.382569][ T5348] ? add_lock_to_list+0xc7/0x100 [ 85.382583][ T5348] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 85.382602][ T5348] hfsplus_file_extend+0x1f8/0x1c30 [ 85.382666][ T5348] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 85.382681][ T5348] ? __pfx___mutex_trylock_common+0x10/0x10 [ 85.382698][ T5348] ? rcu_is_watching+0x15/0xb0 [ 85.382713][ T5348] ? trace_contention_end+0x39/0x100 [ 85.382727][ T5348] ? __asan_memset+0x22/0x50 [ 85.382742][ T5348] ? hfsplus_brec_find+0x1a9/0x510 [ 85.382761][ T5348] hfsplus_bmap_reserve+0x125/0x510 [ 85.382778][ T5348] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 85.382803][ T5348] __hfsplus_ext_cache_extent+0x89/0xe30 [ 85.382821][ T5348] hfsplus_file_extend+0x437/0x1c30 [ 85.382837][ T5348] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 85.382854][ T5348] ? clean_bdev_aliases+0x5c9/0x6b0 [ 85.382872][ T5348] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 85.382888][ T5348] hfsplus_get_block+0x40a/0x1600 [ 85.382904][ T5348] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.382916][ T5348] ? do_raw_spin_unlock+0x4d/0x240 [ 85.382933][ T5348] ? _raw_spin_unlock+0x28/0x50 [ 85.382950][ T5348] __block_write_begin_int+0x6b5/0x1900 [ 85.382972][ T5348] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.382986][ T5348] ? __pfx___block_write_begin_int+0x10/0x10 [ 85.383004][ T5348] cont_write_begin+0x78c/0xb50 [ 85.383023][ T5348] ? __pfx_cont_write_begin+0x10/0x10 [ 85.383041][ T5348] hfsplus_write_begin+0x66/0xb0 [ 85.383051][ T5348] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.383064][ T5348] generic_perform_write+0x2c5/0x900 [ 85.383078][ T5348] ? __pfx_generic_perform_write+0x10/0x10 [ 85.383089][ T5348] ? file_update_time_flags+0x2cb/0x4e0 [ 85.383104][ T5348] ? __generic_file_write_iter+0xf9/0x230 [ 85.383115][ T5348] ? generic_file_write_iter+0x103/0x550 [ 85.383125][ T5348] generic_file_write_iter+0x117/0x550 [ 85.383137][ T5348] ? __pfx_generic_file_write_iter+0x10/0x10 [ 85.383147][ T5348] ? __lock_acquire+0x6b6/0x2cf0 [ 85.383160][ T5348] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 85.383243][ T5348] ? lockdep_hardirqs_on+0x7b/0x110 [ 85.383254][ T5348] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 85.383270][ T5348] ? stack_depot_save_flags+0x3f3/0x810 [ 85.383288][ T5348] ? io_submit_one+0x775/0x1430 [ 85.383307][ T5348] ? aio_write+0x4c4/0x7a0 [ 85.383324][ T5348] aio_write+0x535/0x7a0 [ 85.383341][ T5348] ? __pfx_aio_write+0x10/0x10 [ 85.383359][ T5348] ? __might_fault+0xb0/0x130 [ 85.383377][ T5348] io_submit_one+0x775/0x1430 [ 85.383391][ T5348] ? irqentry_exit+0x5e8/0x670 [ 85.383402][ T5348] ? __pfx_io_submit_one+0x10/0x10 [ 85.383415][ T5348] ? __might_fault+0xb0/0x130 [ 85.383431][ T5348] ? __might_fault+0xb0/0x130 [ 85.383444][ T5348] __se_sys_io_submit+0x185/0x320 [ 85.383458][ T5348] ? __pfx___se_sys_io_submit+0x10/0x10 [ 85.383474][ T5348] do_syscall_64+0xec/0xf80 [ 85.383486][ T5348] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.383498][ T5348] ? trace_irq_disable+0x37/0x100 [ 85.383513][ T5348] ? clear_bhb_loop+0x60/0xb0 [ 85.383526][ T5348] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.383539][ T5348] RIP: 0033:0x7f2de0d8f7c9 [ 85.383601][ T5348] 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 [ 85.383612][ T5348] RSP: 002b:00007f2de1ccb038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 85.383627][ T5348] RAX: ffffffffffffffda RBX: 00007f2de0fe5fa0 RCX: 00007f2de0d8f7c9 [ 85.383636][ T5348] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007f2de1c81000 [ 85.383643][ T5348] RBP: 00007f2de0e13f91 R08: 0000000000000000 R09: 0000000000000000 [ 85.383650][ T5348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.383656][ T5348] R13: 00007f2de0fe6038 R14: 00007f2de0fe5fa0 R15: 00007ffd5a1d1238 [ 85.383667][ T5348]