program: r0 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) r2 = openat$cgroup_procs(r1, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) open_by_handle_at(r2, &(0x7f0000000100)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0x0) syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x400, &(0x7f0000000140)=ANY=[], 0x1, 0x694, &(0x7f0000001100)="$eJzs3U1sHGf9B/DvbnbX3vz/Sp02SQOqRNRIBRGROLGSYi4NCKFIVKgqB8TRSpzGyiatHBc5EYLwfuDCoXeKRG5cQOIeVM7AqVcfKyFx6SmAxKKZnbXXr9l1Yq8tPp9odp5nnpd5nt/M7OzOKnKA/1nXzqXxOLVcO/fmcpFfeTTTWXk0c6efTjKRpJ40eqvU7ia1j5Kr6S35TLGx6q623X4+WJh9++NPVz7p5RrVUtav79Rukyv1LTY+rJacSXKkWj+Ddf1d39Bfa+TuaqszLAJ2th84GLdmku463z21VvJUw1+3wIFVK++bm6/5qeRoksnqc0Dvrti7Zx9qD8c9AAAAANgHL/yy/Ap/bNzjAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgMOk9/f/i1W51PvpM6n1//5/q9qWKn2oPR73AAAAAAAAAABgdN/8/w0bPvckT7KcY/18t1b+5v9qmTlRvv5f3s+9zGcx57OcuSxlKYu5mGSqLG+Wr63luaWlxYtDtLy02jIDLS8NOYP27icPAAAAAAAAAIdFY/QmP861td//AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgIKglR3qrcjnRT0+l3kgymaRV1HuY/LWfPpB+/afBXPff3dKmao/3c0wAAAAwJi88yZMs51g/362V3/lPld/7J/N+7mYpC1lKJ/O5UT4L6H3rr688mumsPJq5Uyyb+/3qP0YaRtljes8ett7z6bJGOzezUG45n+t5N53cSL1sWTjdH8/W4/pRMabaG5UhR3ajWhcz/1WaI81qN2pD15wqI1KMqBeR6aptEY3jO0dixKPT31M/9hdTX33yc+J5xny5t3r9t711MZ+fjxSTvbYxEpcGzr5TK6ntEInk83/83Xdude7enrh579zBmdIIJgaeoG2MxMxAJF7e+ZxIM1Ukbh3WSAyaLiNxcjV/Ld/It3MuZ/JWFrOQ72UuS5nPmXw9czmSuep8Ll6ndo7U1XW5t542klZ5XJrVu+jwY1rKXF4t2x7LQr6Vd3Mj87lS/ruUi3m96jGrR/jkEFd9fbR32rNfGHiY/Isk7eHa7YNiYMdX706DZ/10eR0cX7dl7Tp48fnfjxqfrRLFPn4ycETGb2MkLg5E4qWdI/Gb8m3lXufu7cVbc+8Nub/XqnVxHf3sQN0livPlxeJglbn1Z0dR9tLGsslevFrVLy69svV33KLs5GrZ9lfq5VzObFn71JY9XSrLXt6ybKYsOz1Qtu7z1tXe5y0ADryjXzzaav+9/Zf2h+2ftm+135z82sSXJ15ppfnn5lca00deq79S+0M+zA/Wvv8DAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC7d+/+g9tznc784oZEt9v94TZFe5hoJ+lvSZ7Wqpmn19mbRCtJmWj0E6P1MzFU5dba0Xnj988y5uaorZLnEqhGdZLdf3D7n91ud98P0xaJ5g7n/FqiW9lU1B2q+dgS/+o+vw7H/MYE7LkLS3feu3Dv/oMvLdyZe2f+nfm7s5cvz07PXr7ytws3Fzrz073XcY8S2AtrN/1xjwQAAAAAAAAAAAAY1n78t4Rtdv2ffZ4qAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcEhdOzdRpc5PF68rj2Y6xdJPr1Ysq9WT1L6f1D5Krqa3ZGqgu9p2+/lgYfbtjz9d+aSXa1RLWb++rl1zN7N4WC05k+RItR40+Qz9Xa/WuxpZqbY6wyJgZ/uBg3H7bwAAAP//2wMQAg==") r3 = creat(&(0x7f0000000180)='./file1\x00', 0x2) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r4, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r3, &(0x7f0000000000), 0x70000}]) [ 76.048831][ T4666] Bluetooth: hci0: command tx timeout [ 76.142815][ T5320] loop0: detected capacity change from 0 to 1024 [ 76.200729][ T5320] [ 76.201782][ T5320] ============================================ [ 76.204215][ T5320] WARNING: possible recursive locking detected [ 76.206742][ T5320] 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 Not tainted [ 76.209922][ T5320] -------------------------------------------- [ 76.212595][ T5320] syz.0.0/5320 is trying to acquire lock: [ 76.215144][ T5320] ffff88805316c108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 76.219960][ T5320] [ 76.219960][ T5320] but task is already holding lock: [ 76.223139][ T5320] ffff88805316e988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 76.228163][ T5320] [ 76.228163][ T5320] other info that might help us debug this: [ 76.231521][ T5320] Possible unsafe locking scenario: [ 76.231521][ T5320] [ 76.234517][ T5320] CPU0 [ 76.235969][ T5320] ---- [ 76.237479][ T5320] lock(&HFSPLUS_I(inode)->extents_lock); [ 76.239975][ T5320] lock(&HFSPLUS_I(inode)->extents_lock); [ 76.242421][ T5320] [ 76.242421][ T5320] *** DEADLOCK *** [ 76.242421][ T5320] [ 76.246275][ T5320] May be due to missing lock nesting notation [ 76.246275][ T5320] [ 76.249676][ T5320] 3 locks held by syz.0.0/5320: [ 76.251644][ T5320] #0: ffff88805316eb78 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: generic_file_write_iter+0xe3/0x540 [ 76.256561][ T5320] #1: ffff88805316e988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 76.261387][ T5320] #2: ffff888035cce0b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 76.265699][ T5320] [ 76.265699][ T5320] stack backtrace: [ 76.268234][ T5320] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(full) [ 76.268251][ T5320] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.268258][ T5320] Call Trace: [ 76.268266][ T5320] [ 76.268272][ T5320] dump_stack_lvl+0x189/0x250 [ 76.268288][ T5320] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.268300][ T5320] ? __pfx__printk+0x10/0x10 [ 76.268311][ T5320] ? print_lock_name+0xde/0x100 [ 76.268321][ T5320] print_deadlock_bug+0x28b/0x2a0 [ 76.268332][ T5320] validate_chain+0x1a3f/0x2140 [ 76.268342][ T5320] ? check_path+0x21/0x40 [ 76.268350][ T5320] ? check_noncircular+0xe0/0x160 [ 76.268359][ T5320] ? look_up_lock_class+0x74/0x170 [ 76.268417][ T5320] ? register_lock_class+0x51/0x320 [ 76.268432][ T5320] __lock_acquire+0xab9/0xd20 [ 76.268449][ T5320] ? hfsplus_file_extend+0x1fc/0x1990 [ 76.268460][ T5320] lock_acquire+0x120/0x360 [ 76.268473][ T5320] ? hfsplus_file_extend+0x1fc/0x1990 [ 76.268487][ T5320] __mutex_lock+0x182/0xe80 [ 76.268501][ T5320] ? hfsplus_file_extend+0x1fc/0x1990 [ 76.268513][ T5320] ? check_path+0x21/0x40 [ 76.268522][ T5320] ? check_noncircular+0xe0/0x160 [ 76.268531][ T5320] ? hfsplus_file_extend+0x1fc/0x1990 [ 76.268543][ T5320] ? __pfx___mutex_lock+0x10/0x10 [ 76.268560][ T5320] hfsplus_file_extend+0x1fc/0x1990 [ 76.268574][ T5320] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 76.268585][ T5320] ? __mutex_trylock_common+0x153/0x260 [ 76.268595][ T5320] ? __pfx___mutex_trylock_common+0x10/0x10 [ 76.268605][ T5320] ? rcu_is_watching+0x15/0xb0 [ 76.268620][ T5320] ? trace_contention_end+0x39/0x120 [ 76.268629][ T5320] ? __mutex_lock+0x330/0xe80 [ 76.268641][ T5320] ? hfsplus_brec_find+0x191/0x500 [ 76.268651][ T5320] hfsplus_bmap_reserve+0x122/0x500 [ 76.268668][ T5320] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 76.268681][ T5320] __hfsplus_ext_cache_extent+0x89/0xe30 [ 76.268696][ T5320] hfsplus_file_extend+0x444/0x1990 [ 76.268708][ T5320] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 76.268716][ T5320] ? clean_bdev_aliases+0x5c9/0x6b0 [ 76.268725][ T5320] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 76.268733][ T5320] hfsplus_get_block+0x411/0x1530 [ 76.268741][ T5320] ? __pfx_hfsplus_get_block+0x10/0x10 [ 76.268749][ T5320] ? do_raw_spin_unlock+0x4d/0x240 [ 76.268756][ T5320] ? _raw_spin_unlock+0x28/0x50 [ 76.268764][ T5320] __block_write_begin_int+0x6b2/0x1900 [ 76.268773][ T5320] ? folio_add_lru+0x1b2/0x3d0 [ 76.268781][ T5320] ? __pfx_hfsplus_get_block+0x10/0x10 [ 76.268788][ T5320] ? __pfx___block_write_begin_int+0x10/0x10 [ 76.268796][ T5320] cont_write_begin+0x789/0xb50 [ 76.268810][ T5320] ? __pfx_cont_write_begin+0x10/0x10 [ 76.268822][ T5320] ? __pfx___might_resched+0x10/0x10 [ 76.268836][ T5320] ? folio_unlock+0x101/0x160 [ 76.268848][ T5320] hfsplus_write_begin+0x66/0xb0 [ 76.268858][ T5320] ? __pfx_hfsplus_get_block+0x10/0x10 [ 76.268869][ T5320] generic_perform_write+0x2c7/0x910 [ 76.268883][ T5320] ? __pfx_generic_perform_write+0x10/0x10 [ 76.268895][ T5320] ? file_update_time+0x2da/0x490 [ 76.268909][ T5320] ? __generic_file_write_iter+0xf9/0x230 [ 76.268921][ T5320] ? generic_file_write_iter+0xfb/0x540 [ 76.268934][ T5320] generic_file_write_iter+0x10f/0x540 [ 76.268946][ T5320] ? aa_file_perm+0x11f/0xed0 [ 76.268959][ T5320] ? __pfx_generic_file_write_iter+0x10/0x10 [ 76.268976][ T5320] ? __lock_acquire+0xab9/0xd20 [ 76.268993][ T5320] ? aio_write+0x4c4/0x7a0 [ 76.269005][ T5320] aio_write+0x535/0x7a0 [ 76.269051][ T5320] ? __pfx_aio_write+0x10/0x10 [ 76.269066][ T5320] ? __might_fault+0xb0/0x130 [ 76.269080][ T5320] io_submit_one+0x78b/0x1310 [ 76.269095][ T5320] ? __pfx_io_submit_one+0x10/0x10 [ 76.269102][ T5320] ? __might_fault+0xb0/0x130 [ 76.269110][ T5320] ? __might_fault+0xb0/0x130 [ 76.269115][ T5320] __se_sys_io_submit+0x185/0x2f0 [ 76.269122][ T5320] ? __pfx___se_sys_io_submit+0x10/0x10 [ 76.269129][ T5320] ? do_syscall_64+0xbe/0x3b0 [ 76.269141][ T5320] do_syscall_64+0xfa/0x3b0 [ 76.269150][ T5320] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.269157][ T5320] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.269164][ T5320] ? clear_bhb_loop+0x60/0xb0 [ 76.269170][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.269177][ T5320] RIP: 0033:0x7fb0a5b8e929 [ 76.269185][ T5320] 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 [ 76.269190][ T5320] RSP: 002b:00007fb0a6ad6038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 76.269198][ T5320] RAX: ffffffffffffffda RBX: 00007fb0a5db5fa0 RCX: 00007fb0a5b8e929 [ 76.269203][ T5320] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007fb0a6a8c000 [ 76.269207][ T5320] RBP: 00007fb0a5c10b39 R08: 0000000000000000 R09: 0000000000000000 [ 76.269220][ T5320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.269227][ T5320] R13: 0000000000000000 R14: 00007fb0a5db5fa0 R15: 00007ffe762ade28 [ 76.269237][ T5320] [ 76.480390][ T1313] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.483162][ T1313] ieee802154 phy1 wpan1: encryption failed: -22