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) open(&(0x7f0000000100)='./file1\x00', 0x40000, 0x1c0) r2 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) setsockopt$bt_BT_FLUSHABLE(r2, 0x112, 0x8, 0x0, 0x0) io_submit(r1, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x70000}]) [ 75.760403][ T4709] Bluetooth: hci0: command tx timeout [ 75.846462][ T5360] loop0: detected capacity change from 0 to 1024 [ 75.904688][ T25] audit: type=1800 audit(1759133880.087:2): pid=5360 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 [ 75.920207][ T5360] [ 75.921236][ T5360] ====================================================== [ 75.924160][ T5360] WARNING: possible circular locking dependency detected [ 75.926988][ T5360] syzkaller #0 Not tainted [ 75.928813][ T5360] ------------------------------------------------------ [ 75.931651][ T5360] syz.0.0/5360 is trying to acquire lock: [ 75.933973][ T5360] ffff888053200108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 75.938517][ T5360] [ 75.938517][ T5360] but task is already holding lock: [ 75.941728][ T5360] ffff88803ef820b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 75.945755][ T5360] [ 75.945755][ T5360] which lock already depends on the new lock. [ 75.945755][ T5360] [ 75.950200][ T5360] [ 75.950200][ T5360] the existing dependency chain (in reverse order) is: [ 75.953930][ T5360] [ 75.953930][ T5360] -> #1 (&tree->tree_lock/1){+.+.}-{4:4}: [ 75.957264][ T5360] lock_acquire+0x120/0x360 [ 75.959391][ T5360] __mutex_lock+0x187/0x1350 [ 75.961654][ T5360] hfsplus_find_init+0x15a/0x1d0 [ 75.963860][ T5360] hfsplus_get_block+0x8dd/0x1530 [ 75.966234][ T5360] block_read_full_folio+0x29c/0x830 [ 75.969035][ T5360] read_pages+0x35d/0x580 [ 75.971115][ T5360] page_cache_ra_unbounded+0x6b0/0x7b0 [ 75.973691][ T5360] filemap_get_pages+0x43c/0x1ea0 [ 75.976072][ T5360] filemap_read+0x3f6/0x11a0 [ 75.978310][ T5360] __kernel_read+0x4cc/0x960 [ 75.980564][ T5360] integrity_kernel_read+0x89/0xd0 [ 75.982954][ T5360] ima_calc_file_hash+0x85e/0x16f0 [ 75.985345][ T5360] ima_collect_measurement+0x428/0x8e0 [ 75.987927][ T5360] process_measurement+0x1121/0x1a40 [ 75.990469][ T5360] ima_file_check+0xd7/0x120 [ 75.992743][ T5360] security_file_post_open+0xbb/0x290 [ 75.995314][ T5360] path_openat+0x2f26/0x3830 [ 75.997526][ T5360] do_filp_open+0x1fa/0x410 [ 75.999607][ T5360] do_sys_openat2+0x121/0x1c0 [ 76.001959][ T5360] __x64_sys_open+0x11e/0x150 [ 76.004328][ T5360] do_syscall_64+0xfa/0x3b0 [ 76.006820][ T5360] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.009633][ T5360] [ 76.009633][ T5360] -> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}: [ 76.013432][ T5360] validate_chain+0xb9b/0x2140 [ 76.015671][ T5360] __lock_acquire+0xab9/0xd20 [ 76.017779][ T5360] lock_acquire+0x120/0x360 [ 76.019884][ T5360] __mutex_lock+0x187/0x1350 [ 76.022060][ T5360] hfsplus_file_extend+0x1fc/0x1990 [ 76.024500][ T5360] hfsplus_bmap_reserve+0x122/0x500 [ 76.026898][ T5360] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 76.029503][ T5360] __hfsplus_ext_cache_extent+0x89/0xe30 [ 76.031992][ T5360] hfsplus_file_extend+0x444/0x1990 [ 76.034323][ T5360] hfsplus_get_block+0x411/0x1530 [ 76.036639][ T5360] __block_write_begin_int+0x6b2/0x1900 [ 76.039063][ T5360] cont_write_begin+0x789/0xb50 [ 76.041311][ T5360] hfsplus_write_begin+0x66/0xb0 [ 76.043557][ T5360] generic_perform_write+0x2c2/0x900 [ 76.046069][ T5360] generic_file_write_iter+0x117/0x550 [ 76.048428][ T5360] aio_write+0x532/0x7a0 [ 76.050327][ T5360] io_submit_one+0x78b/0x1310 [ 76.052432][ T5360] __se_sys_io_submit+0x185/0x2f0 [ 76.054571][ T5360] do_syscall_64+0xfa/0x3b0 [ 76.056533][ T5360] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.059040][ T5360] [ 76.059040][ T5360] other info that might help us debug this: [ 76.059040][ T5360] [ 76.063055][ T5360] Possible unsafe locking scenario: [ 76.063055][ T5360] [ 76.066150][ T5360] CPU0 CPU1 [ 76.068421][ T5360] ---- ---- [ 76.070683][ T5360] lock(&tree->tree_lock/1); [ 76.072743][ T5360] lock(&HFSPLUS_I(inode)->extents_lock); [ 76.076194][ T5360] lock(&tree->tree_lock/1); [ 76.079156][ T5360] lock(&HFSPLUS_I(inode)->extents_lock); [ 76.081611][ T5360] [ 76.081611][ T5360] *** DEADLOCK *** [ 76.081611][ T5360] [ 76.085103][ T5360] 3 locks held by syz.0.0/5360: [ 76.087147][ T5360] #0: ffff888053202b78 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: generic_file_write_iter+0xeb/0x550 [ 76.091854][ T5360] #1: ffff888053202988 (&hip->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 76.096002][ T5360] #2: ffff88803ef820b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 76.100289][ T5360] [ 76.100289][ T5360] stack backtrace: [ 76.102788][ T5360] CPU: 0 UID: 0 PID: 5360 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 76.102803][ T5360] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.102810][ T5360] Call Trace: [ 76.102820][ T5360] [ 76.102826][ T5360] dump_stack_lvl+0x189/0x250 [ 76.102839][ T5360] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.102851][ T5360] ? __pfx__printk+0x10/0x10 [ 76.102864][ T5360] ? print_lock_name+0xde/0x100 [ 76.102876][ T5360] print_circular_bug+0x2ee/0x310 [ 76.102888][ T5360] check_noncircular+0x134/0x160 [ 76.102899][ T5360] validate_chain+0xb9b/0x2140 [ 76.102909][ T5360] ? rcu_is_watching+0x15/0xb0 [ 76.102919][ T5360] ? __kasan_check_byte+0x12/0x40 [ 76.102931][ T5360] ? rcu_is_watching+0x15/0xb0 [ 76.102941][ T5360] ? look_up_lock_class+0x74/0x170 [ 76.102954][ T5360] ? register_lock_class+0x51/0x320 [ 76.102970][ T5360] __lock_acquire+0xab9/0xd20 [ 76.102985][ T5360] ? hfsplus_file_extend+0x1fc/0x1990 [ 76.102995][ T5360] lock_acquire+0x120/0x360 [ 76.103007][ T5360] ? hfsplus_file_extend+0x1fc/0x1990 [ 76.103019][ T5360] __mutex_lock+0x187/0x1350 [ 76.103030][ T5360] ? hfsplus_file_extend+0x1fc/0x1990 [ 76.103041][ T5360] ? check_path+0x21/0x40 [ 76.103051][ T5360] ? check_noncircular+0xe0/0x160 [ 76.103062][ T5360] ? hfsplus_file_extend+0x1fc/0x1990 [ 76.103071][ T5360] ? lockdep_unlock+0x89/0x120 [ 76.103084][ T5360] ? __pfx___mutex_lock+0x10/0x10 [ 76.103098][ T5360] hfsplus_file_extend+0x1fc/0x1990 [ 76.103108][ T5360] ? __lock_acquire+0xab9/0xd20 [ 76.103124][ T5360] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 76.103136][ T5360] ? __pfx___mutex_trylock_common+0x10/0x10 [ 76.103146][ T5360] ? __se_sys_io_submit+0x185/0x2f0 [ 76.103158][ T5360] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.103168][ T5360] ? rcu_is_watching+0x15/0xb0 [ 76.103178][ T5360] ? trace_contention_end+0x39/0x120 [ 76.103189][ T5360] ? __mutex_lock+0x335/0x1350 [ 76.103199][ T5360] ? hfsplus_brec_find+0x191/0x500 [ 76.103213][ T5360] hfsplus_bmap_reserve+0x122/0x500 [ 76.103227][ T5360] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 76.103240][ T5360] __hfsplus_ext_cache_extent+0x89/0xe30 [ 76.103252][ T5360] hfsplus_file_extend+0x444/0x1990 [ 76.103264][ T5360] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 76.103274][ T5360] ? clean_bdev_aliases+0x5c9/0x6b0 [ 76.103285][ T5360] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 76.103297][ T5360] hfsplus_get_block+0x411/0x1530 [ 76.103310][ T5360] ? __pfx_hfsplus_get_block+0x10/0x10 [ 76.103320][ T5360] ? do_raw_spin_unlock+0x4d/0x240 [ 76.103334][ T5360] ? _raw_spin_unlock+0x28/0x50 [ 76.103350][ T5360] __block_write_begin_int+0x6b2/0x1900 [ 76.103364][ T5360] ? folio_add_lru+0x1b2/0x3d0 [ 76.103379][ T5360] ? __pfx_hfsplus_get_block+0x10/0x10 [ 76.103389][ T5360] ? __pfx___block_write_begin_int+0x10/0x10 [ 76.103404][ T5360] cont_write_begin+0x789/0xb50 [ 76.103416][ T5360] ? __pfx_cont_write_begin+0x10/0x10 [ 76.103426][ T5360] ? __pfx___might_resched+0x10/0x10 [ 76.103439][ T5360] ? __mark_inode_dirty+0x3d2/0xe10 [ 76.103452][ T5360] ? folio_unlock+0x101/0x160 [ 76.103465][ T5360] hfsplus_write_begin+0x66/0xb0 [ 76.103474][ T5360] ? __pfx_hfsplus_get_block+0x10/0x10 [ 76.103484][ T5360] generic_perform_write+0x2c2/0x900 [ 76.103495][ T5360] ? __pfx_generic_perform_write+0x10/0x10 [ 76.103504][ T5360] ? file_update_time+0x2da/0x490 [ 76.103514][ T5360] ? __generic_file_write_iter+0xf9/0x230 [ 76.103524][ T5360] ? generic_file_write_iter+0x103/0x550 [ 76.103535][ T5360] generic_file_write_iter+0x117/0x550 [ 76.103545][ T5360] ? __pfx_generic_file_write_iter+0x10/0x10 [ 76.103555][ T5360] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.103566][ T5360] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 76.103581][ T5360] ? __pfx_aa_file_perm+0x10/0x10 [ 76.103593][ T5360] ? __lock_acquire+0xab9/0xd20 [ 76.103611][ T5360] ? aio_write+0x4c4/0x7a0 [ 76.103628][ T5360] aio_write+0x532/0x7a0 [ 76.103647][ T5360] ? __pfx_aio_write+0x10/0x10 [ 76.103664][ T5360] ? __might_fault+0xb0/0x130 [ 76.103690][ T5360] io_submit_one+0x78b/0x1310 [ 76.103710][ T5360] ? __pfx_io_submit_one+0x10/0x10 [ 76.103723][ T5360] ? __might_fault+0xb0/0x130 [ 76.103736][ T5360] ? __might_fault+0xb0/0x130 [ 76.103747][ T5360] __se_sys_io_submit+0x185/0x2f0 [ 76.103761][ T5360] ? __pfx___se_sys_io_submit+0x10/0x10 [ 76.103777][ T5360] ? do_syscall_64+0xbe/0x3b0 [ 76.103788][ T5360] do_syscall_64+0xfa/0x3b0 [ 76.103796][ T5360] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.103802][ T5360] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.103809][ T5360] ? clear_bhb_loop+0x60/0xb0 [ 76.103819][ T5360] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.103831][ T5360] RIP: 0033:0x7f2be338eec9 [ 76.103842][ T5360] 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 [ 76.103851][ T5360] RSP: 002b:00007f2be42bd038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 76.103864][ T5360] RAX: ffffffffffffffda RBX: 00007f2be35e5fa0 RCX: 00007f2be338eec9 [ 76.103871][ T5360] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007f2be4273000 [ 76.103878][ T5360] RBP: 00007f2be3411f91 R08: 0000000000000000 R09: 0000000000000000 [ 76.103884][ T5360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.103890][ T5360] R13: 00007f2be35e6038 R14: 00007f2be35e5fa0 R15: 00007ffed4696f48 [ 76.103900][ T5360] [ 76.335278][ T1316] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.338291][ T1316] ieee802154 phy1 wpan1: encryption failed: -22