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) io_submit(r1, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x70000}]) openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x40200, 0x101) [ 86.190974][ T5346] loop0: detected capacity change from 0 to 1024 [ 86.282769][ T5346] [ 86.283887][ T5346] ====================================================== [ 86.286755][ T5346] WARNING: possible circular locking dependency detected [ 86.289635][ T5346] syzkaller #0 Not tainted [ 86.291485][ T5346] ------------------------------------------------------ [ 86.294351][ T5346] syz.0.0/5346 is trying to acquire lock: [ 86.296893][ T5346] ffff888032f7c0b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 86.301109][ T5346] [ 86.301109][ T5346] but task is already holding lock: [ 86.304258][ T5346] ffff8880418eb048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x398/0x1600 [ 86.308951][ T5346] [ 86.308951][ T5346] which lock already depends on the new lock. [ 86.308951][ T5346] [ 86.313352][ T5346] [ 86.313352][ T5346] the existing dependency chain (in reverse order) is: [ 86.317253][ T5346] [ 86.317253][ T5346] -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}: [ 86.321496][ T5346] __mutex_lock+0x187/0x1350 [ 86.323660][ T5346] hfsplus_file_extend+0x1f8/0x1c30 [ 86.326315][ T5346] hfsplus_bmap_reserve+0x125/0x510 [ 86.328842][ T5346] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 86.331570][ T5346] __hfsplus_ext_cache_extent+0x89/0xe30 [ 86.334291][ T5346] hfsplus_file_extend+0x437/0x1c30 [ 86.337171][ T5346] hfsplus_get_block+0x40a/0x1600 [ 86.339602][ T5346] __block_write_begin_int+0x6b5/0x1900 [ 86.342121][ T5346] cont_write_begin+0x78c/0xb50 [ 86.344424][ T5346] hfsplus_write_begin+0x66/0xb0 [ 86.346805][ T5346] generic_perform_write+0x2c5/0x900 [ 86.349480][ T5346] generic_file_write_iter+0x117/0x550 [ 86.352671][ T5346] aio_write+0x535/0x7a0 [ 86.355346][ T5346] io_submit_one+0x775/0x1430 [ 86.357838][ T5346] __se_sys_io_submit+0x185/0x320 [ 86.360401][ T5346] do_syscall_64+0xec/0xf80 [ 86.362649][ T5346] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.365311][ T5346] [ 86.365311][ T5346] -> #0 (&tree->tree_lock/1){+.+.}-{4:4}: [ 86.368612][ T5346] __lock_acquire+0x15a6/0x2cf0 [ 86.370782][ T5346] lock_acquire+0x107/0x340 [ 86.372899][ T5346] __mutex_lock+0x187/0x1350 [ 86.375203][ T5346] hfsplus_find_init+0x168/0x2d0 [ 86.377578][ T5346] hfsplus_get_block+0x8dc/0x1600 [ 86.380018][ T5346] block_read_full_folio+0x29f/0x830 [ 86.382603][ T5346] read_pages+0x35d/0x580 [ 86.384725][ T5346] page_cache_ra_unbounded+0x750/0x990 [ 86.387605][ T5346] filemap_get_pages+0x468/0x1dc0 [ 86.389983][ T5346] filemap_read+0x3f6/0x11a0 [ 86.392205][ T5346] __kernel_read+0x4cf/0x960 [ 86.394430][ T5346] integrity_kernel_read+0x89/0xd0 [ 86.397423][ T5346] ima_calc_file_hash+0x85e/0x16f0 [ 86.400116][ T5346] ima_collect_measurement+0x428/0x8f0 [ 86.402735][ T5346] process_measurement+0x111e/0x1a70 [ 86.405226][ T5346] ima_file_check+0xd9/0x130 [ 86.407509][ T5346] security_file_post_open+0xbb/0x290 [ 86.410188][ T5346] path_openat+0x3456/0x3dd0 [ 86.412595][ T5346] do_filp_open+0x1fa/0x410 [ 86.414785][ T5346] do_sys_openat2+0x121/0x200 [ 86.416986][ T5346] __x64_sys_openat+0x138/0x170 [ 86.419231][ T5346] do_syscall_64+0xec/0xf80 [ 86.421429][ T5346] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.424248][ T5346] [ 86.424248][ T5346] other info that might help us debug this: [ 86.424248][ T5346] [ 86.428280][ T5346] Possible unsafe locking scenario: [ 86.428280][ T5346] [ 86.431242][ T5346] CPU0 CPU1 [ 86.433586][ T5346] ---- ---- [ 86.436364][ T5346] lock(&HFSPLUS_I(inode)->extents_lock); [ 86.438657][ T5346] lock(&tree->tree_lock/1); [ 86.441482][ T5346] lock(&HFSPLUS_I(inode)->extents_lock); [ 86.444777][ T5346] lock(&tree->tree_lock/1); [ 86.446710][ T5346] [ 86.446710][ T5346] *** DEADLOCK *** [ 86.446710][ T5346] [ 86.450125][ T5346] 4 locks held by syz.0.0/5346: [ 86.452114][ T5346] #0: ffff88801161a420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 86.456742][ T5346] #1: ffff88804351d4a8 (&ima_iint_mutex_key[depth]){+.+.}-{4:4}, at: process_measurement+0x74e/0x1a70 [ 86.462068][ T5346] #2: ffff8880418eb3d8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x1cf/0x990 [ 86.467110][ T5346] #3: ffff8880418eb048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x398/0x1600 [ 86.471948][ T5346] [ 86.471948][ T5346] stack backtrace: [ 86.474363][ T5346] CPU: 0 UID: 0 PID: 5346 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.474378][ T5346] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.474386][ T5346] Call Trace: [ 86.474393][ T5346] [ 86.474398][ T5346] dump_stack_lvl+0xe8/0x150 [ 86.474415][ T5346] print_circular_bug+0x2e2/0x300 [ 86.474430][ T5346] check_noncircular+0x12e/0x150 [ 86.474443][ T5346] __lock_acquire+0x15a6/0x2cf0 [ 86.474455][ T5346] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 86.474470][ T5346] ? lockdep_hardirqs_on+0x7b/0x110 [ 86.474479][ T5346] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 86.474491][ T5346] ? stack_depot_save_flags+0x3f3/0x810 [ 86.474506][ T5346] ? hfsplus_find_init+0x168/0x2d0 [ 86.474519][ T5346] lock_acquire+0x107/0x340 [ 86.474529][ T5346] ? hfsplus_find_init+0x168/0x2d0 [ 86.474572][ T5346] __mutex_lock+0x187/0x1350 [ 86.474582][ T5346] ? hfsplus_find_init+0x168/0x2d0 [ 86.474601][ T5346] ? hfsplus_find_init+0x168/0x2d0 [ 86.474616][ T5346] ? __pfx___mutex_lock+0x10/0x10 [ 86.474627][ T5346] ? rcu_is_watching+0x15/0xb0 [ 86.474642][ T5346] ? trace_kmalloc+0x1f/0xb0 [ 86.474656][ T5346] ? __kmalloc_noprof+0x43e/0x800 [ 86.474669][ T5346] ? hfsplus_find_init+0x8c/0x2d0 [ 86.474685][ T5346] hfsplus_find_init+0x168/0x2d0 [ 86.474699][ T5346] hfsplus_get_block+0x8dc/0x1600 [ 86.474713][ T5346] ? __pfx_hfsplus_get_block+0x10/0x10 [ 86.474726][ T5346] ? block_read_full_folio+0x672/0x830 [ 86.474740][ T5346] block_read_full_folio+0x29f/0x830 [ 86.474753][ T5346] ? __pfx_hfsplus_get_block+0x10/0x10 [ 86.474763][ T5346] ? __pfx_hfsplus_read_folio+0x10/0x10 [ 86.474772][ T5346] read_pages+0x35d/0x580 [ 86.474786][ T5346] ? __pfx_read_pages+0x10/0x10 [ 86.474800][ T5346] ? filemap_add_folio+0x35f/0x540 [ 86.474814][ T5346] page_cache_ra_unbounded+0x750/0x990 [ 86.474831][ T5346] filemap_get_pages+0x468/0x1dc0 [ 86.474845][ T5346] ? __lock_acquire+0x6b6/0x2cf0 [ 86.474860][ T5346] ? __pfx_filemap_get_pages+0x10/0x10 [ 86.474875][ T5346] ? unwind_next_frame+0xa5/0x23d0 [ 86.474890][ T5346] filemap_read+0x3f6/0x11a0 [ 86.474905][ T5346] ? kernel_text_address+0xa5/0xe0 [ 86.474919][ T5346] ? __kernel_text_address+0xd/0x40 [ 86.474933][ T5346] ? __pfx_filemap_read+0x10/0x10 [ 86.474951][ T5346] ? generic_file_read_iter+0x8f/0x510 [ 86.474966][ T5346] ? __asan_memset+0x22/0x50 [ 86.474976][ T5346] ? iov_iter_kvec+0xb8/0x180 [ 86.474985][ T5346] __kernel_read+0x4cf/0x960 [ 86.475000][ T5346] ? __pfx___kernel_read+0x10/0x10 [ 86.475019][ T5346] integrity_kernel_read+0x89/0xd0 [ 86.475030][ T5346] ? __pfx_integrity_kernel_read+0x10/0x10 [ 86.475041][ T5346] ? __kmalloc_cache_noprof+0x3e2/0x700 [ 86.475062][ T5346] ? ima_calc_file_hash+0x820/0x16f0 [ 86.475076][ T5346] ? __asan_memcpy+0x40/0x70 [ 86.475089][ T5346] ima_calc_file_hash+0x85e/0x16f0 [ 86.475103][ T5346] ? unwind_next_frame+0xa5/0x23d0 [ 86.475116][ T5346] ? __lock_acquire+0x6b6/0x2cf0 [ 86.475125][ T5346] ? __pfx_ima_calc_file_hash+0x10/0x10 [ 86.475142][ T5346] ? lockdep_hardirqs_on+0x7b/0x110 [ 86.475150][ T5346] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 86.475163][ T5346] ? stack_depot_save_flags+0x3f3/0x810 [ 86.475176][ T5346] ? kasan_save_track+0x4f/0x80 [ 86.475187][ T5346] ? kasan_save_track+0x3e/0x80 [ 86.475198][ T5346] ? make_vfsgid+0x49/0xa0 [ 86.475210][ T5346] ? generic_fillattr+0x63d/0x9a0 [ 86.475221][ T5346] ? hfsplus_getattr+0x235/0x2f0 [ 86.475232][ T5346] ima_collect_measurement+0x428/0x8f0 [ 86.475249][ T5346] ? __pfx_ima_collect_measurement+0x10/0x10 [ 86.475262][ T5346] ? kasan_quarantine_put+0xbb/0x1f0 [ 86.475274][ T5346] ? hfsplus_getxattr+0x118/0x180 [ 86.475282][ T5346] ? kfree+0x1c0/0x660 [ 86.475295][ T5346] ? __pfx_ima_get_hash_algo+0x10/0x10 [ 86.475306][ T5346] process_measurement+0x111e/0x1a70 [ 86.475319][ T5346] ? __pfx_process_measurement+0x10/0x10 [ 86.475331][ T5346] ? tomoyo_check_open_permission+0x325/0x3b0 [ 86.475349][ T5346] ? tomoyo_check_open_permission+0x16a/0x3b0 [ 86.475376][ T5346] ima_file_check+0xd9/0x130 [ 86.475391][ T5346] ? __pfx_ima_file_check+0x10/0x10 [ 86.475406][ T5346] security_file_post_open+0xbb/0x290 [ 86.475423][ T5346] path_openat+0x3456/0x3dd0 [ 86.475445][ T5346] ? __pfx_path_openat+0x10/0x10 [ 86.475464][ T5346] do_filp_open+0x1fa/0x410 [ 86.475478][ T5346] ? __pfx_do_filp_open+0x10/0x10 [ 86.475497][ T5346] ? _raw_spin_unlock+0x28/0x50 [ 86.475511][ T5346] ? alloc_fd+0x64c/0x6c0 [ 86.475524][ T5346] do_sys_openat2+0x121/0x200 [ 86.475537][ T5346] ? __se_sys_futex+0x36f/0x400 [ 86.475548][ T5346] ? __pfx_do_sys_openat2+0x10/0x10 [ 86.475562][ T5346] ? rcu_is_watching+0x15/0xb0 [ 86.475575][ T5346] __x64_sys_openat+0x138/0x170 [ 86.475589][ T5346] do_syscall_64+0xec/0xf80 [ 86.475599][ T5346] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.475608][ T5346] ? trace_irq_disable+0x37/0x100 [ 86.475623][ T5346] ? clear_bhb_loop+0x60/0xb0 [ 86.475633][ T5346] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.475644][ T5346] RIP: 0033:0x7fe06398f7c9 [ 86.475658][ T5346] 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 [ 86.475665][ T5346] RSP: 002b:00007fe0647aa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 86.475676][ T5346] RAX: ffffffffffffffda RBX: 00007fe063be5fa0 RCX: 00007fe06398f7c9 [ 86.475683][ T5346] RDX: 0000000000040200 RSI: 0000200000000100 RDI: ffffffffffffff9c [ 86.475690][ T5346] RBP: 00007fe063a13f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.475696][ T5346] R10: 0000000000000101 R11: 0000000000000246 R12: 0000000000000000 [ 86.475701][ T5346] R13: 00007fe063be6038 R14: 00007fe063be5fa0 R15: 00007ffc2f553258 [ 86.475713][ T5346] [ 86.713919][ T4685] Bluetooth: hci0: command tx timeout [ 86.724280][ T26] audit: type=1800 audit(1767544179.189:2): pid=5346 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