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)) (async) io_setup(0x202, &(0x7f0000000200)=0x0) r2 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00') openat$binfmt(0xffffffffffffff9c, r2, 0x42, 0x1ff) (async) r3 = openat$binfmt(0xffffffffffffff9c, r2, 0x42, 0x1ff) close(r3) execveat$binfmt(0xffffffffffffff9c, r2, &(0x7f0000000b00)={[], 0x20}, 0x0, 0x0) io_submit(r1, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x70000}]) [ 85.070901][ T5320] Bluetooth: hci0: command tx timeout [ 85.151967][ T5343] loop0: detected capacity change from 0 to 1024 [ 85.208975][ T25] audit: type=1800 audit(1768899432.571:2): pid=5344 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 [ 85.227123][ T5343] [ 85.228248][ T5343] ====================================================== [ 85.231099][ T5343] WARNING: possible circular locking dependency detected [ 85.233853][ T5343] syzkaller #0 Not tainted [ 85.235751][ T5343] ------------------------------------------------------ [ 85.238542][ T5343] syz.0.0/5343 is trying to acquire lock: [ 85.240725][ T5343] ffff88801f6c4108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 85.245427][ T5343] [ 85.245427][ T5343] but task is already holding lock: [ 85.248729][ T5343] ffff8880386b40b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 85.252904][ T5343] [ 85.252904][ T5343] which lock already depends on the new lock. [ 85.252904][ T5343] [ 85.257288][ T5343] [ 85.257288][ T5343] the existing dependency chain (in reverse order) is: [ 85.261105][ T5343] [ 85.261105][ T5343] -> #1 (&tree->tree_lock/1){+.+.}-{4:4}: [ 85.264762][ T5343] __mutex_lock+0x19f/0x1340 [ 85.267060][ T5343] hfsplus_find_init+0x168/0x2d0 [ 85.269540][ T5343] hfsplus_get_block+0x91e/0x1670 [ 85.272039][ T5343] block_read_full_folio+0x29f/0x830 [ 85.274757][ T5343] read_pages+0x373/0x5a0 [ 85.276934][ T5343] page_cache_ra_unbounded+0x74f/0x980 [ 85.279570][ T5343] filemap_get_pages+0x4c5/0x1ec0 [ 85.282047][ T5343] filemap_read+0x447/0x1230 [ 85.284340][ T5343] __kernel_read+0x504/0x9b0 [ 85.286767][ T5343] integrity_kernel_read+0x89/0xd0 [ 85.289310][ T5343] ima_calc_file_hash+0x12c3/0x17f0 [ 85.291831][ T5343] ima_collect_measurement+0x48b/0x930 [ 85.294521][ T5343] process_measurement+0x12e0/0x1cb0 [ 85.297121][ T5343] ima_file_check+0xdf/0x130 [ 85.299551][ T5343] security_file_post_open+0xb3/0x260 [ 85.302303][ T5343] path_openat+0x34cb/0x3e20 [ 85.304690][ T5343] do_filp_open+0x22d/0x490 [ 85.307029][ T5343] do_sys_openat2+0x12f/0x220 [ 85.309511][ T5343] __x64_sys_openat+0x138/0x170 [ 85.311966][ T5343] do_syscall_64+0xe2/0xf80 [ 85.314320][ T5343] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.317222][ T5343] [ 85.317222][ T5343] -> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}: [ 85.321114][ T5343] __lock_acquire+0x15a5/0x2cf0 [ 85.323375][ T5343] lock_acquire+0x106/0x330 [ 85.325516][ T5343] __mutex_lock+0x19f/0x1340 [ 85.327760][ T5343] hfsplus_file_extend+0x215/0x1d70 [ 85.330248][ T5343] hfsplus_bmap_reserve+0x125/0x510 [ 85.332899][ T5343] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 85.335675][ T5343] __hfsplus_ext_cache_extent+0x89/0xe30 [ 85.338429][ T5343] hfsplus_file_extend+0x4af/0x1d70 [ 85.340821][ T5343] hfsplus_get_block+0x42c/0x1670 [ 85.343163][ T5343] __block_write_begin_int+0x6c6/0x1910 [ 85.345828][ T5343] cont_write_begin+0x737/0xae0 [ 85.348116][ T5343] hfsplus_write_begin+0x66/0xb0 [ 85.350442][ T5343] generic_perform_write+0x2e2/0x8f0 [ 85.352959][ T5343] generic_file_write_iter+0x14a/0x680 [ 85.355618][ T5343] aio_write+0x5cd/0x870 [ 85.357854][ T5343] io_submit_one+0x7bb/0x14c0 [ 85.360054][ T5343] __se_sys_io_submit+0x195/0x340 [ 85.362485][ T5343] do_syscall_64+0xe2/0xf80 [ 85.364585][ T5343] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.367181][ T5343] [ 85.367181][ T5343] other info that might help us debug this: [ 85.367181][ T5343] [ 85.371346][ T5343] Possible unsafe locking scenario: [ 85.371346][ T5343] [ 85.374332][ T5343] CPU0 CPU1 [ 85.376570][ T5343] ---- ---- [ 85.378854][ T5343] lock(&tree->tree_lock/1); [ 85.380724][ T5343] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.384141][ T5343] lock(&tree->tree_lock/1); [ 85.387185][ T5343] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.389845][ T5343] [ 85.389845][ T5343] *** DEADLOCK *** [ 85.389845][ T5343] [ 85.393490][ T5343] 3 locks held by syz.0.0/5343: [ 85.395509][ T5343] #0: ffff88801f6c6b78 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: generic_file_write_iter+0x11e/0x680 [ 85.400294][ T5343] #1: ffff88801f6c6988 (&hip->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 85.404120][ T5343] #2: ffff8880386b40b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 85.408255][ T5343] [ 85.408255][ T5343] stack backtrace: [ 85.410630][ T5343] CPU: 0 UID: 0 PID: 5343 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.410642][ T5343] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.410646][ T5343] Call Trace: [ 85.410652][ T5343] [ 85.410656][ T5343] dump_stack_lvl+0xe8/0x150 [ 85.410673][ T5343] print_circular_bug+0x2e1/0x300 [ 85.410688][ T5343] check_noncircular+0x12e/0x150 [ 85.410702][ T5343] __lock_acquire+0x15a5/0x2cf0 [ 85.410712][ T5343] ? rcu_is_watching+0x15/0xb0 [ 85.410726][ T5343] ? __kasan_check_byte+0x12/0x40 [ 85.410737][ T5343] ? rcu_is_watching+0x15/0xb0 [ 85.410748][ T5343] ? lock_release+0x4b/0x3a0 [ 85.410756][ T5343] ? lock_release+0x4b/0x3a0 [ 85.410768][ T5343] ? hfsplus_file_extend+0x215/0x1d70 [ 85.410780][ T5343] lock_acquire+0x106/0x330 [ 85.410790][ T5343] ? hfsplus_file_extend+0x215/0x1d70 [ 85.410803][ T5343] __mutex_lock+0x19f/0x1340 [ 85.410815][ T5343] ? hfsplus_file_extend+0x215/0x1d70 [ 85.410828][ T5343] ? stack_trace_save+0xa9/0x100 [ 85.410844][ T5343] ? __pfx_stack_trace_save+0x10/0x10 [ 85.410859][ T5343] ? hfsplus_file_extend+0x215/0x1d70 [ 85.410869][ T5343] ? check_noncircular+0xda/0x150 [ 85.410881][ T5343] ? __pfx___mutex_lock+0x10/0x10 [ 85.410892][ T5343] ? add_lock_to_list+0xc7/0x100 [ 85.410906][ T5343] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 85.410919][ T5343] hfsplus_file_extend+0x215/0x1d70 [ 85.410934][ T5343] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 85.410942][ T5343] ? __pfx___mutex_trylock_common+0x10/0x10 [ 85.410951][ T5343] ? rcu_is_watching+0x15/0xb0 [ 85.410959][ T5343] ? trace_contention_end+0x39/0x100 [ 85.410968][ T5343] ? __asan_memset+0x22/0x50 [ 85.410981][ T5343] ? hfsplus_brec_find+0x19d/0x520 [ 85.410996][ T5343] hfsplus_bmap_reserve+0x125/0x510 [ 85.411012][ T5343] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 85.411025][ T5343] __hfsplus_ext_cache_extent+0x89/0xe30 [ 85.411039][ T5343] hfsplus_file_extend+0x4af/0x1d70 [ 85.411052][ T5343] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 85.411065][ T5343] ? clean_bdev_aliases+0x62e/0x750 [ 85.411081][ T5343] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 85.411097][ T5343] hfsplus_get_block+0x42c/0x1670 [ 85.411119][ T5343] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.411130][ T5343] ? do_raw_spin_unlock+0x4d/0x230 [ 85.411145][ T5343] ? _raw_spin_unlock+0x28/0x50 [ 85.411156][ T5343] __block_write_begin_int+0x6c6/0x1910 [ 85.411179][ T5343] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.411196][ T5343] ? __pfx___block_write_begin_int+0x10/0x10 [ 85.411212][ T5343] cont_write_begin+0x737/0xae0 [ 85.411226][ T5343] ? irqentry_exit+0x59c/0x620 [ 85.411244][ T5343] ? __pfx_cont_write_begin+0x10/0x10 [ 85.411261][ T5343] hfsplus_write_begin+0x66/0xb0 [ 85.411272][ T5343] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.411282][ T5343] generic_perform_write+0x2e2/0x8f0 [ 85.411295][ T5343] ? __pfx_generic_perform_write+0x10/0x10 [ 85.411306][ T5343] ? file_update_time_flags+0x2cb/0x4d0 [ 85.411320][ T5343] ? __generic_file_write_iter+0xf9/0x230 [ 85.411330][ T5343] ? generic_file_write_iter+0x136/0x680 [ 85.411340][ T5343] generic_file_write_iter+0x14a/0x680 [ 85.411355][ T5343] ? __pfx_generic_file_write_iter+0x10/0x10 [ 85.411365][ T5343] ? __lock_acquire+0x6b5/0x2cf0 [ 85.411376][ T5343] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 85.411387][ T5343] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.411397][ T5343] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 85.411407][ T5343] ? stack_depot_save_flags+0x3f3/0x810 [ 85.411425][ T5343] ? io_submit_one+0x7bb/0x14c0 [ 85.411445][ T5343] ? aio_write+0x547/0x870 [ 85.411462][ T5343] aio_write+0x5cd/0x870 [ 85.411477][ T5343] ? __pfx_aio_write+0x10/0x10 [ 85.411497][ T5343] ? __might_fault+0xaf/0x130 [ 85.411515][ T5343] io_submit_one+0x7bb/0x14c0 [ 85.411527][ T5343] ? irqentry_exit+0x59c/0x620 [ 85.411540][ T5343] ? __pfx_io_submit_one+0x10/0x10 [ 85.411554][ T5343] ? __might_fault+0xaf/0x130 [ 85.411569][ T5343] ? __might_fault+0xaf/0x130 [ 85.411582][ T5343] __se_sys_io_submit+0x195/0x340 [ 85.411595][ T5343] ? __pfx___se_sys_io_submit+0x10/0x10 [ 85.411609][ T5343] do_syscall_64+0xe2/0xf80 [ 85.411622][ T5343] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.411631][ T5343] ? trace_irq_disable+0x37/0x100 [ 85.411646][ T5343] ? clear_bhb_loop+0x60/0xb0 [ 85.411658][ T5343] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.411669][ T5343] RIP: 0033:0x7fb1be39acb9 [ 85.411680][ T5343] 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 [ 85.411691][ T5343] RSP: 002b:00007fb1bf32f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 85.411702][ T5343] RAX: ffffffffffffffda RBX: 00007fb1be615fa0 RCX: 00007fb1be39acb9 [ 85.411707][ T5343] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007fb1bf2e5000 [ 85.411712][ T5343] RBP: 00007fb1be408bf7 R08: 0000000000000000 R09: 0000000000000000 [ 85.411716][ T5343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.411720][ T5343] R13: 00007fb1be616038 R14: 00007fb1be615fa0 R15: 00007ffdec3b83e8 [ 85.411727][ T5343] [ 85.631886][ T25] audit: type=1800 audit(1768899432.571:3): pid=5345 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