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}]) (async) open(&(0x7f0000000100)='./file1\x00', 0x400, 0x8fd8893a60eb9fd4) [ 85.132071][ T5318] Bluetooth: hci0: command tx timeout [ 85.249420][ T5340] loop0: detected capacity change from 0 to 1024 [ 85.330284][ T5340] [ 85.331416][ T5340] ====================================================== [ 85.334479][ T5340] WARNING: possible circular locking dependency detected [ 85.337754][ T5340] 6.16.0-rc7-syzkaller #0 Not tainted [ 85.340678][ T5340] ------------------------------------------------------ [ 85.344087][ T5340] syz.0.0/5340 is trying to acquire lock: [ 85.346494][ T5340] ffff88805343c108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 85.351392][ T5340] [ 85.351392][ T5340] but task is already holding lock: [ 85.355968][ T5340] ffff8880116780b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 85.360251][ T5340] [ 85.360251][ T5340] which lock already depends on the new lock. [ 85.360251][ T5340] [ 85.364804][ T5340] [ 85.364804][ T5340] the existing dependency chain (in reverse order) is: [ 85.369064][ T5340] [ 85.369064][ T5340] -> #1 (&tree->tree_lock/1){+.+.}-{4:4}: [ 85.372787][ T5340] lock_acquire+0x120/0x360 [ 85.374962][ T5340] __mutex_lock+0x182/0xe80 [ 85.377938][ T5340] hfsplus_find_init+0x15a/0x1d0 [ 85.380388][ T5340] hfsplus_get_block+0x8dd/0x1530 [ 85.382780][ T5340] block_read_full_folio+0x29c/0x830 [ 85.385333][ T5340] read_pages+0x35d/0x580 [ 85.387432][ T5340] page_cache_ra_unbounded+0x6b0/0x7b0 [ 85.390058][ T5340] filemap_get_pages+0x43c/0x1ea0 [ 85.392439][ T5340] filemap_read+0x3f6/0x11a0 [ 85.394604][ T5340] __kernel_read+0x469/0x8c0 [ 85.396894][ T5340] integrity_kernel_read+0x89/0xd0 [ 85.399853][ T5340] ima_calc_file_hash+0x85e/0x16f0 [ 85.402639][ T5340] ima_collect_measurement+0x428/0x8d0 [ 85.405118][ T5340] process_measurement+0x1121/0x1a40 [ 85.407508][ T5340] ima_file_check+0xd7/0x120 [ 85.409698][ T5340] security_file_post_open+0xbb/0x290 [ 85.411865][ T5340] path_openat+0x2f26/0x3830 [ 85.413806][ T5340] do_filp_open+0x1fa/0x410 [ 85.415839][ T5340] do_sys_openat2+0x121/0x1c0 [ 85.417973][ T5340] __x64_sys_open+0x11e/0x150 [ 85.420343][ T5340] do_syscall_64+0xfa/0x3b0 [ 85.422603][ T5340] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.425675][ T5340] [ 85.425675][ T5340] -> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}: [ 85.429372][ T5340] validate_chain+0xb9b/0x2140 [ 85.431538][ T5340] __lock_acquire+0xab9/0xd20 [ 85.433712][ T5340] lock_acquire+0x120/0x360 [ 85.435581][ T5340] __mutex_lock+0x182/0xe80 [ 85.437616][ T5340] hfsplus_file_extend+0x1fc/0x1990 [ 85.440114][ T5340] hfsplus_bmap_reserve+0x122/0x500 [ 85.442559][ T5340] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 85.445191][ T5340] __hfsplus_ext_cache_extent+0x89/0xe30 [ 85.447818][ T5340] hfsplus_file_extend+0x444/0x1990 [ 85.450342][ T5340] hfsplus_get_block+0x411/0x1530 [ 85.452622][ T5340] __block_write_begin_int+0x6b2/0x1900 [ 85.455130][ T5340] cont_write_begin+0x789/0xb50 [ 85.457484][ T5340] hfsplus_write_begin+0x66/0xb0 [ 85.459842][ T5340] generic_perform_write+0x2c7/0x910 [ 85.462305][ T5340] generic_file_write_iter+0x10f/0x540 [ 85.464912][ T5340] aio_write+0x535/0x7a0 [ 85.466893][ T5340] io_submit_one+0x78b/0x1310 [ 85.468910][ T5340] __se_sys_io_submit+0x185/0x2f0 [ 85.471112][ T5340] do_syscall_64+0xfa/0x3b0 [ 85.473051][ T5340] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.475736][ T5340] [ 85.475736][ T5340] other info that might help us debug this: [ 85.475736][ T5340] [ 85.480026][ T5340] Possible unsafe locking scenario: [ 85.480026][ T5340] [ 85.482938][ T5340] CPU0 CPU1 [ 85.485077][ T5340] ---- ---- [ 85.487237][ T5340] lock(&tree->tree_lock/1); [ 85.489284][ T5340] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.492702][ T5340] lock(&tree->tree_lock/1); [ 85.495630][ T5340] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.498166][ T5340] [ 85.498166][ T5340] *** DEADLOCK *** [ 85.498166][ T5340] [ 85.501671][ T5340] 3 locks held by syz.0.0/5340: [ 85.503809][ T5340] #0: ffff88805343eb78 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: generic_file_write_iter+0xe3/0x540 [ 85.508549][ T5340] #1: ffff88805343e988 (&hip->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 85.513081][ T5340] #2: ffff8880116780b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 85.517481][ T5340] [ 85.517481][ T5340] stack backtrace: [ 85.520045][ T5340] CPU: 0 UID: 0 PID: 5340 Comm: syz.0.0 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) [ 85.520061][ T5340] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.520069][ T5340] Call Trace: [ 85.520076][ T5340] [ 85.520082][ T5340] dump_stack_lvl+0x189/0x250 [ 85.520101][ T5340] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.520111][ T5340] ? __pfx__printk+0x10/0x10 [ 85.520124][ T5340] ? print_lock_name+0xde/0x100 [ 85.520136][ T5340] print_circular_bug+0x2ee/0x310 [ 85.520149][ T5340] check_noncircular+0x134/0x160 [ 85.520161][ T5340] validate_chain+0xb9b/0x2140 [ 85.520172][ T5340] ? rcu_is_watching+0x15/0xb0 [ 85.520185][ T5340] ? __kasan_check_byte+0x12/0x40 [ 85.520199][ T5340] ? rcu_is_watching+0x15/0xb0 [ 85.520210][ T5340] ? look_up_lock_class+0x74/0x170 [ 85.520221][ T5340] ? register_lock_class+0x51/0x320 [ 85.520232][ T5340] __lock_acquire+0xab9/0xd20 [ 85.520245][ T5340] ? hfsplus_file_extend+0x1fc/0x1990 [ 85.520261][ T5340] lock_acquire+0x120/0x360 [ 85.520270][ T5340] ? hfsplus_file_extend+0x1fc/0x1990 [ 85.520286][ T5340] __mutex_lock+0x182/0xe80 [ 85.520297][ T5340] ? hfsplus_file_extend+0x1fc/0x1990 [ 85.520310][ T5340] ? check_path+0x21/0x40 [ 85.520320][ T5340] ? check_noncircular+0xe0/0x160 [ 85.520332][ T5340] ? hfsplus_file_extend+0x1fc/0x1990 [ 85.520346][ T5340] ? __pfx___mutex_lock+0x10/0x10 [ 85.520361][ T5340] hfsplus_file_extend+0x1fc/0x1990 [ 85.520379][ T5340] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 85.520392][ T5340] ? __mutex_trylock_common+0x153/0x260 [ 85.520407][ T5340] ? __pfx___mutex_trylock_common+0x10/0x10 [ 85.520422][ T5340] ? rcu_is_watching+0x15/0xb0 [ 85.520434][ T5340] ? trace_contention_end+0x39/0x120 [ 85.520447][ T5340] ? __mutex_lock+0x330/0xe80 [ 85.520456][ T5340] ? hfsplus_brec_find+0x191/0x500 [ 85.520478][ T5340] hfsplus_bmap_reserve+0x122/0x500 [ 85.520492][ T5340] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 85.520507][ T5340] __hfsplus_ext_cache_extent+0x89/0xe30 [ 85.520522][ T5340] hfsplus_file_extend+0x444/0x1990 [ 85.520539][ T5340] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 85.520553][ T5340] ? clean_bdev_aliases+0x5c9/0x6b0 [ 85.520570][ T5340] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 85.520584][ T5340] hfsplus_get_block+0x411/0x1530 [ 85.520600][ T5340] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.520614][ T5340] ? do_raw_spin_unlock+0x4d/0x240 [ 85.520630][ T5340] ? _raw_spin_unlock+0x28/0x50 [ 85.520647][ T5340] __block_write_begin_int+0x6b2/0x1900 [ 85.520666][ T5340] ? folio_add_lru+0x1b2/0x3d0 [ 85.520681][ T5340] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.520697][ T5340] ? __pfx___block_write_begin_int+0x10/0x10 [ 85.520715][ T5340] cont_write_begin+0x789/0xb50 [ 85.520734][ T5340] ? __pfx_cont_write_begin+0x10/0x10 [ 85.520749][ T5340] ? __pfx___might_resched+0x10/0x10 [ 85.520763][ T5340] ? folio_unlock+0x101/0x160 [ 85.520778][ T5340] hfsplus_write_begin+0x66/0xb0 [ 85.520791][ T5340] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.520807][ T5340] generic_perform_write+0x2c7/0x910 [ 85.520821][ T5340] ? __pfx_generic_perform_write+0x10/0x10 [ 85.520831][ T5340] ? file_update_time+0x2da/0x490 [ 85.520842][ T5340] ? __generic_file_write_iter+0xf9/0x230 [ 85.520851][ T5340] ? generic_file_write_iter+0xfb/0x540 [ 85.520862][ T5340] generic_file_write_iter+0x10f/0x540 [ 85.520871][ T5340] ? aa_file_perm+0x11f/0xed0 [ 85.520882][ T5340] ? __pfx_generic_file_write_iter+0x10/0x10 [ 85.520897][ T5340] ? __lock_acquire+0xab9/0xd20 [ 85.520911][ T5340] ? aio_write+0x4c4/0x7a0 [ 85.520927][ T5340] aio_write+0x535/0x7a0 [ 85.520942][ T5340] ? __pfx_aio_write+0x10/0x10 [ 85.520958][ T5340] ? __might_fault+0xb0/0x130 [ 85.520975][ T5340] io_submit_one+0x78b/0x1310 [ 85.520992][ T5340] ? __pfx_io_submit_one+0x10/0x10 [ 85.521006][ T5340] ? __might_fault+0xb0/0x130 [ 85.521020][ T5340] ? __might_fault+0xb0/0x130 [ 85.521033][ T5340] __se_sys_io_submit+0x185/0x2f0 [ 85.521046][ T5340] ? __pfx___se_sys_io_submit+0x10/0x10 [ 85.521061][ T5340] ? do_syscall_64+0xbe/0x3b0 [ 85.521074][ T5340] do_syscall_64+0xfa/0x3b0 [ 85.521083][ T5340] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.521092][ T5340] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.521102][ T5340] ? clear_bhb_loop+0x60/0xb0 [ 85.521112][ T5340] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.521123][ T5340] RIP: 0033:0x7f27ab78e9a9 [ 85.521136][ T5340] 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 [ 85.521145][ T5340] RSP: 002b:00007f27ac576038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 85.521158][ T5340] RAX: ffffffffffffffda RBX: 00007f27ab9b5fa0 RCX: 00007f27ab78e9a9 [ 85.521165][ T5340] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007f27ac52c000 [ 85.521172][ T5340] RBP: 00007f27ab810d69 R08: 0000000000000000 R09: 0000000000000000 [ 85.521179][ T5340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.521185][ T5340] R13: 0000000000000000 R14: 00007f27ab9b5fa0 R15: 00007ffda380fc18 [ 85.521195][ T5340] [ 85.750926][ T25] audit: type=1800 audit(1753230043.390:2): pid=5341 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