program: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) r1 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0xf0b, 0x0, 0x0, {0x60, 0x0, 0x0, r3, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_pfifo={{0xa}, {0x8}}]}, 0x38}}, 0x0) syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x400, &(0x7f0000000140)=ANY=[], 0x1, 0x694, &(0x7f0000001100)="$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") r4 = creat(&(0x7f0000000000)='./bus\x00', 0x0) clock_getres(0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r5, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r4, &(0x7f0000000000), 0x70000}]) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xfee4, 0x44, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c) r6 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0) r7 = fsopen(&(0x7f0000001300)='jffs2\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r7, 0x6, 0x0, 0x0, 0x0) ioctl$FS_IOC_RESVSP(r6, 0x40305839, &(0x7f0000000040)={0x0, 0x0, 0xfffffffffffffffd, 0x800000000}) write$cgroup_devices(r6, &(0x7f0000000100)=ANY=[@ANYBLOB="62f9c9c015"], 0x9) sync() [ 85.043262][ T5303] Bluetooth: hci0: command tx timeout [ 85.169803][ T5321] loop0: detected capacity change from 0 to 1024 [ 85.244284][ T5321] [ 85.245475][ T5321] ====================================================== [ 85.248602][ T5321] WARNING: possible circular locking dependency detected [ 85.251553][ T5321] 6.15.0-rc7-syzkaller-00144-gb1427432d3b6 #0 Not tainted [ 85.254451][ T5321] ------------------------------------------------------ [ 85.257237][ T5321] syz.0.0/5321 is trying to acquire lock: [ 85.259611][ T5321] ffff888041df20b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 85.263423][ T5321] [ 85.263423][ T5321] but task is already holding lock: [ 85.266582][ T5321] ffff888052a8f048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x39e/0x1530 [ 85.271205][ T5321] [ 85.271205][ T5321] which lock already depends on the new lock. [ 85.271205][ T5321] [ 85.275502][ T5321] [ 85.275502][ T5321] the existing dependency chain (in reverse order) is: [ 85.279159][ T5321] [ 85.279159][ T5321] -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}: [ 85.282758][ T5321] lock_acquire+0x120/0x360 [ 85.284897][ T5321] __mutex_lock+0x182/0xe80 [ 85.286920][ T5321] hfsplus_file_extend+0x1fc/0x1990 [ 85.289337][ T5321] hfsplus_bmap_reserve+0x122/0x500 [ 85.291754][ T5321] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 85.294674][ T5321] __hfsplus_ext_cache_extent+0x89/0xe30 [ 85.297268][ T5321] hfsplus_file_extend+0x444/0x1990 [ 85.299797][ T5321] hfsplus_get_block+0x411/0x1530 [ 85.302212][ T5321] __block_write_begin_int+0x6b2/0x1900 [ 85.304819][ T5321] cont_write_begin+0x789/0xb50 [ 85.307180][ T5321] hfsplus_write_begin+0x66/0xb0 [ 85.309589][ T5321] generic_perform_write+0x2c7/0x910 [ 85.312243][ T5321] generic_file_write_iter+0x10f/0x540 [ 85.314968][ T5321] aio_write+0x532/0x790 [ 85.317134][ T5321] io_submit_one+0x70a/0x1240 [ 85.319401][ T5321] __se_sys_io_submit+0x185/0x2f0 [ 85.321832][ T5321] do_syscall_64+0xf6/0x210 [ 85.324046][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.326864][ T5321] [ 85.326864][ T5321] -> #0 (&tree->tree_lock/1){+.+.}-{4:4}: [ 85.330262][ T5321] validate_chain+0xb9b/0x2140 [ 85.332619][ T5321] __lock_acquire+0xaac/0xd20 [ 85.334846][ T5321] lock_acquire+0x120/0x360 [ 85.337065][ T5321] __mutex_lock+0x182/0xe80 [ 85.339311][ T5321] hfsplus_find_init+0x15a/0x1d0 [ 85.341740][ T5321] hfsplus_get_block+0x8dd/0x1530 [ 85.344062][ T5321] block_read_full_folio+0x29c/0x830 [ 85.346649][ T5321] read_pages+0x36b/0x590 [ 85.348807][ T5321] page_cache_ra_unbounded+0x6b0/0x7b0 [ 85.351469][ T5321] filemap_get_pages+0x43c/0x1eb0 [ 85.353799][ T5321] filemap_read+0x3fa/0x11d0 [ 85.356097][ T5321] __kernel_read+0x46c/0x8c0 [ 85.358382][ T5321] integrity_kernel_read+0x89/0xd0 [ 85.360821][ T5321] ima_calc_file_hash+0x152c/0x18d0 [ 85.363243][ T5321] ima_collect_measurement+0x42e/0x8e0 [ 85.366062][ T5321] process_measurement+0x1121/0x1a40 [ 85.368442][ T5321] ima_file_check+0xd7/0x120 [ 85.370543][ T5321] security_file_post_open+0xbb/0x290 [ 85.373196][ T5321] path_openat+0x2f26/0x3830 [ 85.375323][ T5321] do_filp_open+0x1fa/0x410 [ 85.377358][ T5321] do_sys_openat2+0x121/0x1c0 [ 85.379315][ T5321] __x64_sys_openat+0x138/0x170 [ 85.381608][ T5321] do_syscall_64+0xf6/0x210 [ 85.383697][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.386215][ T5321] [ 85.386215][ T5321] other info that might help us debug this: [ 85.386215][ T5321] [ 85.390228][ T5321] Possible unsafe locking scenario: [ 85.390228][ T5321] [ 85.393306][ T5321] CPU0 CPU1 [ 85.395610][ T5321] ---- ---- [ 85.397818][ T5321] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.400115][ T5321] lock(&tree->tree_lock/1); [ 85.403067][ T5321] lock(&HFSPLUS_I(inode)->extents_lock); [ 85.406356][ T5321] lock(&tree->tree_lock/1); [ 85.408287][ T5321] [ 85.408287][ T5321] *** DEADLOCK *** [ 85.408287][ T5321] [ 85.411804][ T5321] 3 locks held by syz.0.0/5321: [ 85.413821][ T5321] #0: ffff8880362945b8 (&ima_iint_mutex_key[depth]){+.+.}-{4:4}, at: process_measurement+0x74b/0x1a40 [ 85.418231][ T5321] #1: ffff888052a8f3d8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x129/0x7b0 [ 85.422659][ T5321] #2: ffff888052a8f048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x39e/0x1530 [ 85.427239][ T5321] [ 85.427239][ T5321] stack backtrace: [ 85.429769][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted 6.15.0-rc7-syzkaller-00144-gb1427432d3b6 #0 PREEMPT(full) [ 85.429785][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.429792][ T5321] Call Trace: [ 85.429801][ T5321] [ 85.429807][ T5321] dump_stack_lvl+0x189/0x250 [ 85.429827][ T5321] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.429844][ T5321] ? __pfx__printk+0x10/0x10 [ 85.429855][ T5321] ? print_lock_name+0xde/0x100 [ 85.429875][ T5321] print_circular_bug+0x2ee/0x310 [ 85.429889][ T5321] check_noncircular+0x134/0x160 [ 85.429901][ T5321] validate_chain+0xb9b/0x2140 [ 85.429912][ T5321] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 85.429929][ T5321] __lock_acquire+0xaac/0xd20 [ 85.429945][ T5321] ? hfsplus_find_init+0x15a/0x1d0 [ 85.429956][ T5321] lock_acquire+0x120/0x360 [ 85.429969][ T5321] ? hfsplus_find_init+0x15a/0x1d0 [ 85.429981][ T5321] ? path_openat+0x2f26/0x3830 [ 85.429991][ T5321] ? do_sys_openat2+0x121/0x1c0 [ 85.430000][ T5321] ? do_syscall_64+0xf6/0x210 [ 85.430015][ T5321] __mutex_lock+0x182/0xe80 [ 85.430026][ T5321] ? hfsplus_find_init+0x15a/0x1d0 [ 85.430036][ T5321] ? hfsplus_find_init+0x15a/0x1d0 [ 85.430046][ T5321] ? __pfx___mutex_lock+0x10/0x10 [ 85.430058][ T5321] ? rcu_is_watching+0x15/0xb0 [ 85.430066][ T5321] ? __kmalloc_noprof+0x29b/0x4f0 [ 85.430076][ T5321] ? hfsplus_find_init+0x8c/0x1d0 [ 85.430087][ T5321] hfsplus_find_init+0x15a/0x1d0 [ 85.430098][ T5321] hfsplus_get_block+0x8dd/0x1530 [ 85.430114][ T5321] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.430126][ T5321] ? _raw_spin_unlock+0x28/0x50 [ 85.430136][ T5321] block_read_full_folio+0x29c/0x830 [ 85.430150][ T5321] ? __pfx_hfsplus_get_block+0x10/0x10 [ 85.430162][ T5321] ? __pfx_hfsplus_read_folio+0x10/0x10 [ 85.430173][ T5321] read_pages+0x36b/0x590 [ 85.430186][ T5321] ? __pfx_read_pages+0x10/0x10 [ 85.430200][ T5321] ? filemap_add_folio+0x1af/0x270 [ 85.430214][ T5321] page_cache_ra_unbounded+0x6b0/0x7b0 [ 85.430230][ T5321] filemap_get_pages+0x43c/0x1eb0 [ 85.430243][ T5321] ? __pfx_filemap_get_pages+0x10/0x10 [ 85.430253][ T5321] ? __pfx___might_resched+0x10/0x10 [ 85.430265][ T5321] filemap_read+0x3fa/0x11d0 [ 85.430278][ T5321] ? __pfx_filemap_read+0x10/0x10 [ 85.430298][ T5321] ? kasan_save_track+0x3e/0x80 [ 85.430310][ T5321] ? generic_file_read_iter+0x8f/0x510 [ 85.430320][ T5321] ? __asan_memset+0x22/0x50 [ 85.430331][ T5321] ? iov_iter_kvec+0xb8/0x180 [ 85.430343][ T5321] __kernel_read+0x46c/0x8c0 [ 85.430356][ T5321] ? __pfx___kernel_read+0x10/0x10 [ 85.430370][ T5321] integrity_kernel_read+0x89/0xd0 [ 85.430381][ T5321] ? __pfx_integrity_kernel_read+0x10/0x10 [ 85.430390][ T5321] ? __kasan_kmalloc+0x93/0xb0 [ 85.430400][ T5321] ? ima_calc_file_hash+0x14f4/0x18d0 [ 85.430412][ T5321] ima_calc_file_hash+0x152c/0x18d0 [ 85.430427][ T5321] ? __pfx_ima_calc_file_hash+0x10/0x10 [ 85.430445][ T5321] ? stack_depot_save_flags+0x42b/0x910 [ 85.430456][ T5321] ? make_vfsgid+0x49/0xa0 [ 85.430464][ T5321] ? generic_fillattr+0x63d/0x9a0 [ 85.430477][ T5321] ? hfsplus_getattr+0x235/0x2f0 [ 85.430490][ T5321] ima_collect_measurement+0x42e/0x8e0 [ 85.430503][ T5321] ? __pfx_ima_collect_measurement+0x10/0x10 [ 85.430517][ T5321] ? kasan_quarantine_put+0xdd/0x220 [ 85.430527][ T5321] ? hfsplus_getxattr+0x118/0x180 [ 85.430541][ T5321] ? ima_get_hash_algo+0x90/0x490 [ 85.430551][ T5321] ? __pfx_ima_get_hash_algo+0x10/0x10 [ 85.430562][ T5321] process_measurement+0x1121/0x1a40 [ 85.430576][ T5321] ? __pfx_process_measurement+0x10/0x10 [ 85.430586][ T5321] ? tomoyo_check_open_permission+0x16a/0x3b0 [ 85.430596][ T5321] ? __pfx_tomoyo_check_open_permission+0x10/0x10 [ 85.430610][ T5321] ? __pfx_apparmor_file_open+0x10/0x10 [ 85.430624][ T5321] ? tomoyo_file_open+0x166/0x220 [ 85.430636][ T5321] ? end_current_label_crit_section+0x152/0x180 [ 85.430646][ T5321] ima_file_check+0xd7/0x120 [ 85.430659][ T5321] ? __pfx_ima_file_check+0x10/0x10 [ 85.430673][ T5321] security_file_post_open+0xbb/0x290 [ 85.430684][ T5321] path_openat+0x2f26/0x3830 [ 85.430695][ T5321] ? arch_stack_walk+0xfc/0x150 [ 85.430713][ T5321] ? __pfx_path_openat+0x10/0x10 [ 85.430721][ T5321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.430735][ T5321] do_filp_open+0x1fa/0x410 [ 85.430745][ T5321] ? __pfx_do_filp_open+0x10/0x10 [ 85.430760][ T5321] ? _raw_spin_unlock+0x28/0x50 [ 85.430771][ T5321] ? alloc_fd+0x64c/0x6c0 [ 85.430787][ T5321] do_sys_openat2+0x121/0x1c0 [ 85.430796][ T5321] ? __pfx_do_sys_openat2+0x10/0x10 [ 85.430806][ T5321] ? rcu_is_watching+0x15/0xb0 [ 85.430817][ T5321] __x64_sys_openat+0x138/0x170 [ 85.430829][ T5321] do_syscall_64+0xf6/0x210 [ 85.430844][ T5321] ? clear_bhb_loop+0x60/0xb0 [ 85.430856][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.430866][ T5321] RIP: 0033:0x7feff4d8e969 [ 85.430878][ T5321] 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 [ 85.430887][ T5321] RSP: 002b:00007feff5c49038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 85.430899][ T5321] RAX: ffffffffffffffda RBX: 00007feff4fb5fa0 RCX: 00007feff4d8e969 [ 85.430906][ T5321] RDX: 0000000000000042 RSI: 0000200000000100 RDI: ffffffffffffff9c [ 85.430913][ T5321] RBP: 00007feff4e10ab1 R08: 0000000000000000 R09: 0000000000000000 [ 85.430919][ T5321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.430926][ T5321] R13: 0000000000000000 R14: 00007feff4fb5fa0 R15: 00007ffd2c6f25d8 [ 85.430938][ T5321] [ 85.684518][ T1080] hfsplus: b-tree write err: -5, ino 3 [ 85.687863][ T26] audit: type=1800 audit(1748138250.059:2): pid=5321 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 [ 85.726082][ T5321] syz.0.0 (5321) used greatest stack depth: 19976 bytes left