loop0: detected capacity change from 0 to 1024 ====================================================== WARNING: possible circular locking dependency detected 6.13.0-syzkaller-02526-gc4b9570cfb63 #0 Not tainted ------------------------------------------------------ syz.0.0/5322 is trying to acquire lock: ffff8880532980b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x14a/0x1c0 fs/hfsplus/bfind.c:28 but task is already holding lock: ffff888053263048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x383/0x14f0 fs/hfsplus/extents.c:260 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 hfsplus_file_extend+0x21b/0x1b70 fs/hfsplus/extents.c:458 hfsplus_bmap_reserve+0x105/0x4e0 fs/hfsplus/btree.c:358 __hfsplus_ext_write_extent+0x2a4/0x5c0 fs/hfsplus/extents.c:104 __hfsplus_ext_cache_extent+0x84/0xe10 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x48c/0x1b70 fs/hfsplus/extents.c:462 hfsplus_get_block+0x406/0x14f0 fs/hfsplus/extents.c:245 __block_write_begin_int+0x692/0x19a0 fs/buffer.c:2116 block_write_begin fs/buffer.c:2226 [inline] cont_write_begin+0x77f/0xb40 fs/buffer.c:2577 hfsplus_write_begin+0x68/0xb0 fs/hfsplus/inode.c:46 generic_perform_write+0x346/0x990 mm/filemap.c:4046 generic_file_write_iter+0xae/0x310 mm/filemap.c:4173 aio_write+0x56b/0x7c0 fs/aio.c:1633 io_submit_one+0x8a7/0x18a0 fs/aio.c:2052 __do_sys_io_submit fs/aio.c:2111 [inline] __se_sys_io_submit+0x171/0x2e0 fs/aio.c:2081 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&tree->tree_lock/1){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 hfsplus_find_init+0x14a/0x1c0 fs/hfsplus/bfind.c:28 hfsplus_ext_read_extent fs/hfsplus/extents.c:216 [inline] hfsplus_get_block+0x5c4/0x14f0 fs/hfsplus/extents.c:268 block_read_full_folio+0x3ee/0xae0 fs/buffer.c:2396 read_pages+0x526/0x750 mm/readahead.c:180 page_cache_ra_unbounded+0x606/0x720 mm/readahead.c:295 page_cache_sync_readahead include/linux/pagemap.h:1397 [inline] filemap_get_pages+0x605/0x2080 mm/filemap.c:2537 filemap_read+0x452/0xf50 mm/filemap.c:2637 __kernel_read+0x513/0x9d0 fs/read_write.c:523 integrity_kernel_read+0xb0/0x100 security/integrity/iint.c:28 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:480 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0xae6/0x1b30 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x4fd/0xa90 security/integrity/ima/ima_api.c:293 process_measurement+0x1351/0x1fb0 security/integrity/ima/ima_main.c:372 ima_file_check+0xd9/0x120 security/integrity/ima/ima_main.c:572 security_file_post_open+0xb9/0x280 security/security.c:3120 do_open fs/namei.c:3830 [inline] path_openat+0x2ccd/0x3590 fs/namei.c:3987 do_filp_open+0x27f/0x4e0 fs/namei.c:4014 do_sys_openat2+0x13e/0x1d0 fs/open.c:1395 do_sys_open fs/open.c:1410 [inline] __do_sys_open fs/open.c:1418 [inline] __se_sys_open fs/open.c:1414 [inline] __x64_sys_open+0x225/0x270 fs/open.c:1414 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock/1); lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock/1); *** DEADLOCK *** 3 locks held by syz.0.0/5322: #0: ffff88803eddd6c8 (&ima_iint_mutex_key[depth]){+.+.}-{4:4}, at: process_measurement+0x7a6/0x1fb0 security/integrity/ima/ima_main.c:269 #1: ffff8880532633d8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:887 [inline] #1: ffff8880532633d8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226 #2: ffff888053263048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x383/0x14f0 fs/hfsplus/extents.c:260 stack backtrace: CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-02526-gc4b9570cfb63 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2076 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2208 check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 hfsplus_find_init+0x14a/0x1c0 fs/hfsplus/bfind.c:28 hfsplus_ext_read_extent fs/hfsplus/extents.c:216 [inline] hfsplus_get_block+0x5c4/0x14f0 fs/hfsplus/extents.c:268 block_read_full_folio+0x3ee/0xae0 fs/buffer.c:2396 read_pages+0x526/0x750 mm/readahead.c:180 page_cache_ra_unbounded+0x606/0x720 mm/readahead.c:295 page_cache_sync_readahead include/linux/pagemap.h:1397 [inline] filemap_get_pages+0x605/0x2080 mm/filemap.c:2537 filemap_read+0x452/0xf50 mm/filemap.c:2637 __kernel_read+0x513/0x9d0 fs/read_write.c:523 integrity_kernel_read+0xb0/0x100 security/integrity/iint.c:28 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:480 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0xae6/0x1b30 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x4fd/0xa90 security/integrity/ima/ima_api.c:293 process_measurement+0x1351/0x1fb0 security/integrity/ima/ima_main.c:372 ima_file_check+0xd9/0x120 security/integrity/ima/ima_main.c:572 security_file_post_open+0xb9/0x280 security/security.c:3120 do_open fs/namei.c:3830 [inline] path_openat+0x2ccd/0x3590 fs/namei.c:3987 do_filp_open+0x27f/0x4e0 fs/namei.c:4014 do_sys_openat2+0x13e/0x1d0 fs/open.c:1395 do_sys_open fs/open.c:1410 [inline] __do_sys_open fs/open.c:1418 [inline] __se_sys_open fs/open.c:1414 [inline] __x64_sys_open+0x225/0x270 fs/open.c:1414 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f99fcd85d29 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 RSP: 002b:00007f99fdadd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f99fcf75fa0 RCX: 00007f99fcd85d29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f99fce01b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f99fcf75fa0 R15: 00007fff3fa726d8 syz.0.0 (5322) used greatest stack depth: 18064 bytes left