program: r0 = socket(0x2, 0x2, 0x0) bind$unix(r0, &(0x7f0000000180)=@abs={0x0, 0x0, 0xfffffffd}, 0x6e) (async) bind$unix(r0, &(0x7f0000000180)=@abs={0x0, 0x0, 0xfffffffd}, 0x6e) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0), 0x240, 0x0) syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x400, &(0x7f0000000140)=ANY=[], 0x1, 0x694, &(0x7f0000001100)="$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") creat(&(0x7f0000000000)='./bus\x00', 0x0) (async) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r3, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x70000}]) ioctl$TIOCSETD(r1, 0x5423, &(0x7f00000000c0)=0xf) (async) ioctl$TIOCSETD(r1, 0x5423, &(0x7f00000000c0)=0xf) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x0) (async) r4 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x0) write$sndseq(r4, &(0x7f0000000200)=[{0x1, 0x8, 0x81, 0x7, @time={0x8001, 0x3}, {0x6, 0x4}, {0x6, 0xfe}, @control={0x95, 0x8, 0x7}}], 0x1c) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000000)={{0x1, 0x1, 0x18, r4}, './file1\x00'}) ioctl$TCFLSH(r4, 0x400455c8, 0x4) [ 109.398372][ T5312] Bluetooth: hci0: command tx timeout [ 109.530898][ T5331] loop0: detected capacity change from 0 to 1024 [ 109.626439][ T5332] [ 109.627522][ T5332] ====================================================== [ 109.630327][ T5332] WARNING: possible circular locking dependency detected [ 109.632782][ T5332] 6.16.0-rc3-syzkaller-00057-g92ca6c498a5e #0 Not tainted [ 109.635646][ T5332] ------------------------------------------------------ [ 109.638639][ T5332] syz.0.0/5332 is trying to acquire lock: [ 109.641124][ T5332] ffff888052bf00b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 109.644936][ T5332] [ 109.644936][ T5332] but task is already holding lock: [ 109.648065][ T5332] ffff888051e87048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x39e/0x1530 [ 109.652631][ T5332] [ 109.652631][ T5332] which lock already depends on the new lock. [ 109.652631][ T5332] [ 109.656714][ T5332] [ 109.656714][ T5332] the existing dependency chain (in reverse order) is: [ 109.660374][ T5332] [ 109.660374][ T5332] -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}: [ 109.664026][ T5332] lock_acquire+0x120/0x360 [ 109.666164][ T5332] __mutex_lock+0x182/0xe80 [ 109.668475][ T5332] hfsplus_file_extend+0x1fc/0x1990 [ 109.670907][ T5332] hfsplus_bmap_reserve+0x122/0x500 [ 109.673133][ T5332] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 109.675543][ T5332] __hfsplus_ext_cache_extent+0x89/0xe30 [ 109.678170][ T5332] hfsplus_file_extend+0x444/0x1990 [ 109.680485][ T5332] hfsplus_get_block+0x411/0x1530 [ 109.682687][ T5332] __block_write_begin_int+0x6b5/0x1900 [ 109.685217][ T5332] cont_write_begin+0x789/0xb50 [ 109.687561][ T5332] hfsplus_write_begin+0x66/0xb0 [ 109.690096][ T5332] generic_perform_write+0x2c7/0x910 [ 109.692700][ T5332] generic_file_write_iter+0x10f/0x540 [ 109.695293][ T5332] aio_write+0x532/0x7a0 [ 109.697430][ T5332] io_submit_one+0x78b/0x1310 [ 109.699722][ T5332] __se_sys_io_submit+0x185/0x2f0 [ 109.702167][ T5332] do_syscall_64+0xfa/0x3b0 [ 109.704441][ T5332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.707322][ T5332] [ 109.707322][ T5332] -> #0 (&tree->tree_lock/1){+.+.}-{4:4}: [ 109.710692][ T5332] validate_chain+0xb9b/0x2140 [ 109.712939][ T5332] __lock_acquire+0xab9/0xd20 [ 109.715271][ T5332] lock_acquire+0x120/0x360 [ 109.717566][ T5332] __mutex_lock+0x182/0xe80 [ 109.719794][ T5332] hfsplus_find_init+0x15a/0x1d0 [ 109.722138][ T5332] hfsplus_get_block+0x8dd/0x1530 [ 109.724563][ T5332] block_read_full_folio+0x29f/0x830 [ 109.727094][ T5332] read_pages+0x35d/0x580 [ 109.729308][ T5332] page_cache_ra_unbounded+0x6b0/0x7b0 [ 109.731885][ T5332] filemap_get_pages+0x43c/0x1ea0 [ 109.734213][ T5332] filemap_read+0x3f6/0x11a0 [ 109.736424][ T5332] __kernel_read+0x469/0x8c0 [ 109.738779][ T5332] integrity_kernel_read+0x89/0xd0 [ 109.741219][ T5332] ima_calc_file_hash+0x85e/0x16f0 [ 109.743667][ T5332] ima_collect_measurement+0x428/0x8d0 [ 109.746277][ T5332] process_measurement+0x1121/0x1a40 [ 109.748792][ T5332] ima_file_check+0xd7/0x120 [ 109.750980][ T5332] security_file_post_open+0xbb/0x290 [ 109.753580][ T5332] path_openat+0x2f26/0x3830 [ 109.755945][ T5332] do_filp_open+0x1fa/0x410 [ 109.758182][ T5332] do_sys_openat2+0x121/0x1c0 [ 109.760487][ T5332] __x64_sys_openat+0x138/0x170 [ 109.762981][ T5332] do_syscall_64+0xfa/0x3b0 [ 109.765242][ T5332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.768055][ T5332] [ 109.768055][ T5332] other info that might help us debug this: [ 109.768055][ T5332] [ 109.772337][ T5332] Possible unsafe locking scenario: [ 109.772337][ T5332] [ 109.775391][ T5332] CPU0 CPU1 [ 109.777588][ T5332] ---- ---- [ 109.779876][ T5332] lock(&HFSPLUS_I(inode)->extents_lock); [ 109.782343][ T5332] lock(&tree->tree_lock/1); [ 109.785421][ T5332] lock(&HFSPLUS_I(inode)->extents_lock); [ 109.788822][ T5332] lock(&tree->tree_lock/1); [ 109.790792][ T5332] [ 109.790792][ T5332] *** DEADLOCK *** [ 109.790792][ T5332] [ 109.794162][ T5332] 3 locks held by syz.0.0/5332: [ 109.796314][ T5332] #0: ffff88803f9ec5b8 (&ima_iint_mutex_key[depth]){+.+.}-{4:4}, at: process_measurement+0x74b/0x1a40 [ 109.800919][ T5332] #1: ffff888051e873d8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x129/0x7b0 [ 109.805540][ T5332] #2: ffff888051e87048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x39e/0x1530 [ 109.810281][ T5332] [ 109.810281][ T5332] stack backtrace: [ 109.812769][ T5332] CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted 6.16.0-rc3-syzkaller-00057-g92ca6c498a5e #0 PREEMPT(full) [ 109.812784][ T5332] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 109.812792][ T5332] Call Trace: [ 109.812799][ T5332] [ 109.812806][ T5332] dump_stack_lvl+0x189/0x250 [ 109.812827][ T5332] ? __pfx_dump_stack_lvl+0x10/0x10 [ 109.812843][ T5332] ? __pfx__printk+0x10/0x10 [ 109.812854][ T5332] ? print_lock_name+0xde/0x100 [ 109.812865][ T5332] print_circular_bug+0x2ee/0x310 [ 109.812877][ T5332] check_noncircular+0x134/0x160 [ 109.812889][ T5332] validate_chain+0xb9b/0x2140 [ 109.812898][ T5332] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 109.812912][ T5332] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 109.812929][ T5332] __lock_acquire+0xab9/0xd20 [ 109.812945][ T5332] ? hfsplus_find_init+0x15a/0x1d0 [ 109.812961][ T5332] lock_acquire+0x120/0x360 [ 109.812975][ T5332] ? hfsplus_find_init+0x15a/0x1d0 [ 109.812989][ T5332] ? path_openat+0x2f26/0x3830 [ 109.813010][ T5332] ? do_sys_openat2+0x121/0x1c0 [ 109.813023][ T5332] ? do_syscall_64+0xfa/0x3b0 [ 109.813034][ T5332] __mutex_lock+0x182/0xe80 [ 109.813049][ T5332] ? hfsplus_find_init+0x15a/0x1d0 [ 109.813066][ T5332] ? hfsplus_find_init+0x15a/0x1d0 [ 109.813081][ T5332] ? __pfx___mutex_lock+0x10/0x10 [ 109.813097][ T5332] ? rcu_is_watching+0x15/0xb0 [ 109.813114][ T5332] ? __kmalloc_noprof+0x29b/0x4f0 [ 109.813123][ T5332] ? hfsplus_find_init+0x8c/0x1d0 [ 109.813138][ T5332] hfsplus_find_init+0x15a/0x1d0 [ 109.813154][ T5332] hfsplus_get_block+0x8dd/0x1530 [ 109.813169][ T5332] ? __pfx_hfsplus_get_block+0x10/0x10 [ 109.813181][ T5332] ? _raw_spin_unlock+0x28/0x50 [ 109.813195][ T5332] block_read_full_folio+0x29f/0x830 [ 109.813210][ T5332] ? __pfx_hfsplus_get_block+0x10/0x10 [ 109.813222][ T5332] ? __pfx_hfsplus_read_folio+0x10/0x10 [ 109.813232][ T5332] read_pages+0x35d/0x580 [ 109.813244][ T5332] ? __pfx_read_pages+0x10/0x10 [ 109.813255][ T5332] ? filemap_add_folio+0x1af/0x270 [ 109.813266][ T5332] page_cache_ra_unbounded+0x6b0/0x7b0 [ 109.813281][ T5332] filemap_get_pages+0x43c/0x1ea0 [ 109.813301][ T5332] ? __pfx_filemap_get_pages+0x10/0x10 [ 109.813313][ T5332] ? __lock_acquire+0xab9/0xd20 [ 109.813327][ T5332] ? __pfx___might_resched+0x10/0x10 [ 109.813346][ T5332] filemap_read+0x3f6/0x11a0 [ 109.813359][ T5332] ? kernel_text_address+0xa5/0xe0 [ 109.813372][ T5332] ? __kernel_text_address+0xd/0x40 [ 109.813386][ T5332] ? __pfx_filemap_read+0x10/0x10 [ 109.813403][ T5332] ? kasan_save_track+0x3e/0x80 [ 109.813418][ T5332] ? generic_file_read_iter+0x8f/0x510 [ 109.813430][ T5332] ? __asan_memset+0x22/0x50 [ 109.813443][ T5332] ? iov_iter_kvec+0xb8/0x180 [ 109.813458][ T5332] __kernel_read+0x469/0x8c0 [ 109.813474][ T5332] ? __pfx___kernel_read+0x10/0x10 [ 109.813492][ T5332] integrity_kernel_read+0x89/0xd0 [ 109.813505][ T5332] ? __pfx_integrity_kernel_read+0x10/0x10 [ 109.813516][ T5332] ? __kasan_kmalloc+0x93/0xb0 [ 109.813526][ T5332] ? ima_calc_file_hash+0x820/0x16f0 [ 109.813540][ T5332] ima_calc_file_hash+0x85e/0x16f0 [ 109.813558][ T5332] ? __pfx_ima_calc_file_hash+0x10/0x10 [ 109.813580][ T5332] ? stack_depot_save_flags+0x429/0x900 [ 109.813596][ T5332] ? make_vfsgid+0x49/0xa0 [ 109.813609][ T5332] ? generic_fillattr+0x63d/0x9a0 [ 109.813622][ T5332] ? hfsplus_getattr+0x235/0x2f0 [ 109.813635][ T5332] ima_collect_measurement+0x428/0x8d0 [ 109.813652][ T5332] ? __pfx_ima_collect_measurement+0x10/0x10 [ 109.813668][ T5332] ? kasan_quarantine_put+0xdd/0x220 [ 109.813684][ T5332] ? hfsplus_getxattr+0x118/0x180 [ 109.813700][ T5332] ? __pfx_ima_get_hash_algo+0x10/0x10 [ 109.813715][ T5332] process_measurement+0x1121/0x1a40 [ 109.813733][ T5332] ? __pfx_process_measurement+0x10/0x10 [ 109.813745][ T5332] ? tomoyo_check_open_permission+0x16a/0x3b0 [ 109.813757][ T5332] ? __pfx_tomoyo_check_open_permission+0x10/0x10 [ 109.813776][ T5332] ? __pfx_apparmor_file_open+0x10/0x10 [ 109.813787][ T5332] ? tomoyo_file_open+0x165/0x220 [ 109.813802][ T5332] ? end_current_label_crit_section+0x152/0x180 [ 109.813816][ T5332] ima_file_check+0xd7/0x120 [ 109.813830][ T5332] ? __pfx_ima_file_check+0x10/0x10 [ 109.813846][ T5332] security_file_post_open+0xbb/0x290 [ 109.813858][ T5332] path_openat+0x2f26/0x3830 [ 109.813872][ T5332] ? arch_stack_walk+0xfc/0x150 [ 109.813888][ T5332] ? __pfx_path_openat+0x10/0x10 [ 109.813901][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.813916][ T5332] do_filp_open+0x1fa/0x410 [ 109.813929][ T5332] ? __lock_acquire+0xab9/0xd20 [ 109.813943][ T5332] ? __pfx_do_filp_open+0x10/0x10 [ 109.813961][ T5332] ? _raw_spin_unlock+0x28/0x50 [ 109.813972][ T5332] ? alloc_fd+0x64c/0x6c0 [ 109.813985][ T5332] do_sys_openat2+0x121/0x1c0 [ 109.813998][ T5332] ? __pfx_do_sys_openat2+0x10/0x10 [ 109.814020][ T5332] ? rcu_is_watching+0x15/0xb0 [ 109.814036][ T5332] __x64_sys_openat+0x138/0x170 [ 109.814050][ T5332] do_syscall_64+0xfa/0x3b0 [ 109.814060][ T5332] ? lockdep_hardirqs_on+0x9c/0x150 [ 109.814074][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.814084][ T5332] ? clear_bhb_loop+0x60/0xb0 [ 109.814095][ T5332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.814106][ T5332] RIP: 0033:0x7f3febf8e929 [ 109.814118][ T5332] 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 [ 109.814127][ T5332] RSP: 002b:00007f3fecdc7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 109.814140][ T5332] RAX: ffffffffffffffda RBX: 00007f3fec1b6080 RCX: 00007f3febf8e929 [ 109.814148][ T5332] RDX: 0000000000101042 RSI: 0000200000000040 RDI: ffffffffffffff9c [ 109.814155][ T5332] RBP: 00007f3fec010b39 R08: 0000000000000000 R09: 0000000000000000 [ 109.814162][ T5332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 109.814169][ T5332] R13: 0000000000000000 R14: 00007f3fec1b6080 R15: 00007ffe0f3e7fd8 [ 109.814180][ T5332] [ 110.070999][ T25] audit: type=1800 audit(1750878882.345:2): pid=5332 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 [ 110.080857][ T5332] syz.0.0 (5332) used greatest stack depth: 19976 bytes left [ 110.084020][ T25] audit: type=1800 audit(1750878882.355:3): pid=5340 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