program: syz_mount_image$hfs(&(0x7f00000001c0), &(0x7f0000000180)='./file1\x00', 0x30000c8, &(0x7f0000000100)=ANY=[], 0x11, 0x2d1, &(0x7f0000000280)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_netfilter(0x10, 0x3, 0xc) bpf$ENABLE_STATS(0x20, 0x0, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000b80)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000007c0)={0x1f, 0xf, &(0x7f00000004c0)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b70200005245855db7030000000000008500000083000000bf0900000000000055090100000000009500000000000000bf91000000000000b7020000000000008500000084000000b70000000000000095"], &(0x7f0000000180)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x1d, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async) socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000000)) (async) socket(0x10, 0x3, 0x8) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x3, 0x8, &(0x7f00000003c0)=ANY=[@ANYBLOB="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&(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls}, 0x48) bpf$BPF_PROG_DETACH(0x1c, &(0x7f0000000000)={@cgroup=r2, r2, 0x2e}, 0x20) (async) syz_emit_ethernet(0x2a, &(0x7f00000003c0)={@broadcast, @random="6487a2bed3d6", @void, {@ipv4={0x800, @igmp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @multicast1}, {0x14, 0x0, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}}}}}, 0x0) sendmsg$RDMA_NLDEV_CMD_NEWLINK(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x38, 0x1403, 0x1, 0x0, 0x0, "", [{{0x3, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'wg0\x00'}}]}, 0x38}}, 0x0) (async, rerun: 32) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000440)='blkio.bfq.io_wait_time\x00', 0x26e1, 0x0) (rerun: 32) close(r3) (async) accept4$packet(r3, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000001540)=0x14, 0x100800) (async) socket$kcm(0x2, 0x922000000001, 0x106) ioctl$SIOCSIFHWADDR(r3, 0x8b14, &(0x7f0000000000)={'virt_wifi0\x00', @random="0100"}) (async) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) (async, rerun: 32) open(&(0x7f0000000080)='./bus\x00', 0x14d27e, 0x0) (async, rerun: 32) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) (async) pwrite64(r0, &(0x7f0000000140)='2', 0x1, 0x8080c61) (async) r4 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) ftruncate(r4, 0x2007ffc) [ 75.195059][ T5332] Bluetooth: hci0: command tx timeout [ 75.227148][ T5353] loop0: detected capacity change from 0 to 64 [ 75.274950][ T5353] ======================================================= [ 75.274950][ T5353] WARNING: The mand mount option has been deprecated and [ 75.274950][ T5353] and is ignored by this kernel. Remove the mand [ 75.274950][ T5353] option from the mount to silence this warning. [ 75.274950][ T5353] ======================================================= [ 75.340400][ T5355] [ 75.341608][ T5355] ============================================ [ 75.344431][ T5355] WARNING: possible recursive locking detected [ 75.347194][ T5355] syzkaller #0 Not tainted [ 75.349233][ T5355] -------------------------------------------- [ 75.351764][ T5355] syz.0.0/5355 is trying to acquire lock: [ 75.354018][ T5355] ffff888052f700f8 (&HFS_I(tree->inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xda/0x1230 [ 75.358773][ T5355] [ 75.358773][ T5355] but task is already holding lock: [ 75.361954][ T5355] ffff888052f70778 (&HFS_I(tree->inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xda/0x1230 [ 75.366789][ T5355] [ 75.366789][ T5355] other info that might help us debug this: [ 75.370238][ T5355] Possible unsafe locking scenario: [ 75.370238][ T5355] [ 75.373262][ T5355] CPU0 [ 75.378722][ T5355] ---- [ 75.380118][ T5355] lock(&HFS_I(tree->inode)->extents_lock); [ 75.382529][ T5355] lock(&HFS_I(tree->inode)->extents_lock); [ 75.385200][ T5355] [ 75.385200][ T5355] *** DEADLOCK *** [ 75.385200][ T5355] [ 75.388641][ T5355] May be due to missing lock nesting notation [ 75.388641][ T5355] [ 75.392102][ T5355] 5 locks held by syz.0.0/5355: [ 75.394147][ T5355] #0: ffff88801ed9c428 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 75.398265][ T5355] #1: ffff888052f70fa0 (&type->i_mutex_dir_key#8){+.+.}-{4:4}, at: path_openat+0x8da/0x3830 [ 75.402876][ T5355] #2: ffff888000b7e0b0 (&tree->tree_lock){+.+.}-{4:4}, at: hfs_find_init+0x184/0x200 [ 75.407218][ T5355] #3: ffff888052f70778 (&HFS_I(tree->inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xda/0x1230 [ 75.412696][ T5355] #4: ffff88801fb3c0b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x184/0x200 [ 75.417376][ T5355] [ 75.417376][ T5355] stack backtrace: [ 75.420017][ T5355] CPU: 0 UID: 0 PID: 5355 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.420034][ T5355] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.420041][ T5355] Call Trace: [ 75.420049][ T5355] [ 75.420055][ T5355] dump_stack_lvl+0x189/0x250 [ 75.420075][ T5355] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.420089][ T5355] ? __pfx__printk+0x10/0x10 [ 75.420106][ T5355] ? print_lock_name+0xde/0x100 [ 75.420123][ T5355] print_deadlock_bug+0x28b/0x2a0 [ 75.420138][ T5355] validate_chain+0x1a3f/0x2140 [ 75.420150][ T5355] ? rcu_is_watching+0x15/0xb0 [ 75.420163][ T5355] ? rcu_is_watching+0x15/0xb0 [ 75.420174][ T5355] ? lock_release+0x4b/0x3e0 [ 75.420190][ T5355] ? lock_release+0x4b/0x3e0 [ 75.420205][ T5355] ? look_up_lock_class+0x74/0x170 [ 75.420257][ T5355] ? register_lock_class+0x51/0x320 [ 75.420275][ T5355] __lock_acquire+0xab9/0xd20 [ 75.420294][ T5355] ? hfs_extend_file+0xda/0x1230 [ 75.420308][ T5355] lock_acquire+0x120/0x360 [ 75.420331][ T5355] ? hfs_extend_file+0xda/0x1230 [ 75.420349][ T5355] __mutex_lock+0x187/0x1350 [ 75.420366][ T5355] ? hfs_extend_file+0xda/0x1230 [ 75.420382][ T5355] ? lockdep_unlock+0x89/0x120 [ 75.420397][ T5355] ? hfs_extend_file+0xda/0x1230 [ 75.420412][ T5355] ? __pfx___mutex_lock+0x10/0x10 [ 75.420433][ T5355] hfs_extend_file+0xda/0x1230 [ 75.420448][ T5355] ? __pfx_hfs_extend_file+0x10/0x10 [ 75.420462][ T5355] ? __pfx___mutex_trylock_common+0x10/0x10 [ 75.420474][ T5355] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.420486][ T5355] ? rcu_is_watching+0x15/0xb0 [ 75.420497][ T5355] ? trace_contention_end+0x39/0x120 [ 75.420509][ T5355] ? __mutex_lock+0x335/0x1350 [ 75.420526][ T5355] ? hfs_brec_find+0x18e/0x500 [ 75.420539][ T5355] hfs_bmap_reserve+0x107/0x430 [ 75.420556][ T5355] __hfs_ext_write_extent+0x1fa/0x470 [ 75.420572][ T5355] __hfs_ext_cache_extent+0x6b/0x9b0 [ 75.420587][ T5355] ? hfs_find_init+0x184/0x200 [ 75.420598][ T5355] hfs_extend_file+0x316/0x1230 [ 75.420615][ T5355] ? __pfx_hfs_extend_file+0x10/0x10 [ 75.420629][ T5355] ? __mutex_lock+0x335/0x1350 [ 75.420649][ T5355] ? __pfx___mutex_lock+0x10/0x10 [ 75.420666][ T5355] hfs_bmap_reserve+0x107/0x430 [ 75.420683][ T5355] hfs_cat_create+0x1b3/0x640 [ 75.420704][ T5355] ? do_raw_spin_lock+0x121/0x290 [ 75.420717][ T5355] ? __pfx_hfs_cat_create+0x10/0x10 [ 75.420735][ T5355] ? _raw_spin_unlock+0x28/0x50 [ 75.420748][ T5355] ? hfs_new_inode+0x7c9/0xba0 [ 75.420765][ T5355] hfs_create+0x66/0xe0 [ 75.420779][ T5355] ? __pfx_hfs_create+0x10/0x10 [ 75.420792][ T5355] path_openat+0x14f1/0x3830 [ 75.420805][ T5355] ? arch_stack_walk+0xfc/0x150 [ 75.420827][ T5355] ? __pfx_path_openat+0x10/0x10 [ 75.420838][ T5355] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.420854][ T5355] do_filp_open+0x1fa/0x410 [ 75.420865][ T5355] ? __lock_acquire+0xab9/0xd20 [ 75.420881][ T5355] ? __pfx_do_filp_open+0x10/0x10 [ 75.420898][ T5355] ? _raw_spin_unlock+0x28/0x50 [ 75.420911][ T5355] ? alloc_fd+0x64c/0x6c0 [ 75.420927][ T5355] do_sys_openat2+0x121/0x1c0 [ 75.420945][ T5355] ? __pfx_do_sys_openat2+0x10/0x10 [ 75.420963][ T5355] ? rcu_is_watching+0x15/0xb0 [ 75.420975][ T5355] __x64_sys_openat+0x138/0x170 [ 75.420993][ T5355] do_syscall_64+0xfa/0x3b0 [ 75.421008][ T5355] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.421023][ T5355] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.421033][ T5355] ? clear_bhb_loop+0x60/0xb0 [ 75.421046][ T5355] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.421057][ T5355] RIP: 0033:0x7f293c78ebe9 [ 75.421085][ T5355] 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 [ 75.421095][ T5355] RSP: 002b:00007f2938bf5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 75.421108][ T5355] RAX: ffffffffffffffda RBX: 00007f293c9b6180 RCX: 00007f293c78ebe9 [ 75.421117][ T5355] RDX: 00000000000026e1 RSI: 0000200000000440 RDI: ffffffffffffff9c [ 75.421125][ T5355] RBP: 00007f293c811e19 R08: 0000000000000000 R09: 0000000000000000 [ 75.421132][ T5355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.421138][ T5355] R13: 00007f293c9b6218 R14: 00007f293c9b6180 R15: 00007fff9ddaaf18 [ 75.421151][ T5355]