program: syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x400, &(0x7f0000000140)=ANY=[], 0x1, 0x694, &(0x7f0000001100)="$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") r0 = creat(&(0x7f0000000140)='./file1\x00', 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_HEADER(r1, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x28, 0xc, 0x6, 0x101, 0x0, 0x0, {0x0, 0x0, 0x7}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000004}, 0x20000001) io_setup(0x202, &(0x7f0000000200)=0x0) io_pgetevents(r2, 0x0, 0x5, &(0x7f0000000240)=[{}, {}, {}, {}, {}], &(0x7f0000000000), &(0x7f00000001c0)={&(0x7f0000000180)={[0x4]}, 0x8}) syz_emit_vhci(&(0x7f0000000100)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, "bd6fca"}}}, 0xd) io_submit(r2, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x70000}]) ioctl$KVM_CAP_HALT_POLL(r0, 0x4068aea3, &(0x7f0000000300)={0xb6, 0x0, 0x3}) syz_mount_image$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==") (async) creat(&(0x7f0000000140)='./file1\x00', 0x0) (async) socket$nl_netfilter(0x10, 0x3, 0xc) (async) sendmsg$IPSET_CMD_HEADER(r1, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x28, 0xc, 0x6, 0x101, 0x0, 0x0, {0x0, 0x0, 0x7}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000004}, 0x20000001) (async) io_setup(0x202, &(0x7f0000000200)) (async) io_pgetevents(r2, 0x0, 0x5, &(0x7f0000000240)=[{}, {}, {}, {}, {}], &(0x7f0000000000), &(0x7f00000001c0)={&(0x7f0000000180)={[0x4]}, 0x8}) (async) syz_emit_vhci(&(0x7f0000000100)=@HCI_EVENT_PKT={0x4, @hci_ev_conn_request={{0x4, 0xa}, {@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, "bd6fca"}}}, 0xd) (async) io_submit(r2, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x70000}]) (async) ioctl$KVM_CAP_HALT_POLL(r0, 0x4068aea3, &(0x7f0000000300)={0xb6, 0x0, 0x3}) (async) [ 88.548029][ T5320] Bluetooth: hci0: command tx timeout [ 88.883552][ T5341] loop0: detected capacity change from 0 to 1024 [ 88.948289][ T5320] Bluetooth: hci0: connection err: -111 [ 88.954051][ T5341] [ 88.955170][ T5341] ============================================ [ 88.957828][ T5341] WARNING: possible recursive locking detected [ 88.960603][ T5341] syzkaller #0 Not tainted [ 88.962564][ T5341] -------------------------------------------- [ 88.965221][ T5341] syz.0.0/5341 is trying to acquire lock: [ 88.967650][ T5341] ffff888012a24108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 88.972371][ T5341] [ 88.972371][ T5341] but task is already holding lock: [ 88.975312][ T5341] ffff888012a26988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 88.979769][ T5341] [ 88.979769][ T5341] other info that might help us debug this: [ 88.983405][ T5341] Possible unsafe locking scenario: [ 88.983405][ T5341] [ 88.986656][ T5341] CPU0 [ 88.988150][ T5341] ---- [ 88.989512][ T5341] lock(&HFSPLUS_I(inode)->extents_lock); [ 88.991927][ T5341] lock(&HFSPLUS_I(inode)->extents_lock); [ 88.994459][ T5341] [ 88.994459][ T5341] *** DEADLOCK *** [ 88.994459][ T5341] [ 88.997752][ T5341] May be due to missing lock nesting notation [ 88.997752][ T5341] [ 89.001422][ T5341] 3 locks held by syz.0.0/5341: [ 89.003657][ T5341] #0: ffff888012a26b78 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: generic_file_write_iter+0x11e/0x680 [ 89.008541][ T5341] #1: ffff888012a26988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 89.013530][ T5341] #2: ffff888000b920b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 89.017722][ T5341] [ 89.017722][ T5341] stack backtrace: [ 89.020324][ T5341] CPU: 0 UID: 0 PID: 5341 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 89.020338][ T5341] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 89.020344][ T5341] Call Trace: [ 89.020351][ T5341] [ 89.020357][ T5341] dump_stack_lvl+0xe8/0x150 [ 89.020375][ T5341] print_deadlock_bug+0x279/0x290 [ 89.020390][ T5341] __lock_acquire+0x253f/0x2cf0 [ 89.020405][ T5341] ? unwind_next_frame+0xa5/0x23c0 [ 89.020416][ T5341] ? __bfs+0x153/0x290 [ 89.020423][ T5341] ? __pfx_hlock_conflict+0x10/0x10 [ 89.020436][ T5341] ? hfsplus_file_extend+0x215/0x1d70 [ 89.020444][ T5341] lock_acquire+0x106/0x330 [ 89.020451][ T5341] ? hfsplus_file_extend+0x215/0x1d70 [ 89.020460][ T5341] __mutex_lock+0x19f/0x1300 [ 89.020517][ T5341] ? hfsplus_file_extend+0x215/0x1d70 [ 89.020529][ T5341] ? __bfs+0x153/0x290 [ 89.020539][ T5341] ? __pfx_hlock_conflict+0x10/0x10 [ 89.020552][ T5341] ? hfsplus_file_extend+0x215/0x1d70 [ 89.020563][ T5341] ? check_path+0x21/0x40 [ 89.020574][ T5341] ? check_noncircular+0xda/0x150 [ 89.020586][ T5341] ? __pfx___mutex_lock+0x10/0x10 [ 89.020601][ T5341] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 89.020615][ T5341] hfsplus_file_extend+0x215/0x1d70 [ 89.020629][ T5341] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 89.020641][ T5341] ? __pfx___mutex_trylock_common+0x10/0x10 [ 89.020656][ T5341] ? rcu_is_watching+0x15/0xb0 [ 89.020669][ T5341] ? trace_contention_end+0x39/0x100 [ 89.020680][ T5341] ? __asan_memset+0x22/0x50 [ 89.020692][ T5341] ? hfsplus_brec_find+0x19d/0x520 [ 89.020707][ T5341] hfsplus_bmap_reserve+0x125/0x510 [ 89.020723][ T5341] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 89.020737][ T5341] __hfsplus_ext_cache_extent+0x89/0xe30 [ 89.020751][ T5341] hfsplus_file_extend+0x4af/0x1d70 [ 89.020764][ T5341] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 89.020777][ T5341] ? clean_bdev_aliases+0x62e/0x750 [ 89.020793][ T5341] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 89.020808][ T5341] hfsplus_get_block+0x42c/0x1670 [ 89.020822][ T5341] ? __pfx_hfsplus_get_block+0x10/0x10 [ 89.020834][ T5341] ? do_raw_spin_unlock+0x4d/0x210 [ 89.020849][ T5341] ? _raw_spin_unlock+0x28/0x50 [ 89.020862][ T5341] __block_write_begin_int+0x6c6/0x1910 [ 89.020880][ T5341] ? __pfx_hfsplus_get_block+0x10/0x10 [ 89.020887][ T5341] ? __pfx___block_write_begin_int+0x10/0x10 [ 89.020898][ T5341] cont_write_begin+0x737/0xae0 [ 89.020908][ T5341] ? irqentry_exit+0x59c/0x620 [ 89.020924][ T5341] ? __pfx_cont_write_begin+0x10/0x10 [ 89.020940][ T5341] hfsplus_write_begin+0x66/0xb0 [ 89.020950][ T5341] ? __pfx_hfsplus_get_block+0x10/0x10 [ 89.020963][ T5341] generic_perform_write+0x2e2/0x8f0 [ 89.020976][ T5341] ? __pfx_generic_perform_write+0x10/0x10 [ 89.020986][ T5341] ? file_update_time_flags+0x2cb/0x4d0 [ 89.020999][ T5341] ? __generic_file_write_iter+0xf9/0x230 [ 89.021009][ T5341] ? generic_file_write_iter+0x136/0x680 [ 89.021019][ T5341] generic_file_write_iter+0x14a/0x680 [ 89.021030][ T5341] ? __pfx_generic_file_write_iter+0x10/0x10 [ 89.021041][ T5341] ? __lock_acquire+0x6b5/0x2cf0 [ 89.021051][ T5341] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 89.021063][ T5341] ? lockdep_hardirqs_on+0x7a/0x110 [ 89.021077][ T5341] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 89.021089][ T5341] ? stack_depot_save_flags+0x3f3/0x810 [ 89.021142][ T5341] ? io_submit_one+0x7bb/0x14c0 [ 89.021159][ T5341] ? aio_write+0x547/0x870 [ 89.021172][ T5341] aio_write+0x5cd/0x870 [ 89.021184][ T5341] ? __pfx_aio_write+0x10/0x10 [ 89.021196][ T5341] ? __might_fault+0xaf/0x130 [ 89.021212][ T5341] io_submit_one+0x7bb/0x14c0 [ 89.021228][ T5341] ? __pfx_io_submit_one+0x10/0x10 [ 89.021242][ T5341] ? __might_fault+0xaf/0x130 [ 89.021257][ T5341] ? __might_fault+0xaf/0x130 [ 89.021270][ T5341] __se_sys_io_submit+0x195/0x340 [ 89.021283][ T5341] ? __pfx___se_sys_io_submit+0x10/0x10 [ 89.021299][ T5341] do_syscall_64+0xe2/0xf80 [ 89.021314][ T5341] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.021324][ T5341] ? trace_irq_disable+0x37/0x100 [ 89.021337][ T5341] ? clear_bhb_loop+0x60/0xb0 [ 89.021348][ T5341] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.021358][ T5341] RIP: 0033:0x7fa69c99acb9 [ 89.021369][ T5341] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 89.021378][ T5341] RSP: 002b:00007fa698df5028 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 89.021391][ T5341] RAX: ffffffffffffffda RBX: 00007fa69cc15fa0 RCX: 00007fa69c99acb9 [ 89.021399][ T5341] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007fa69d760000 [ 89.021405][ T5341] RBP: 00007fa69ca08bf7 R08: 0000000000000000 R09: 0000000000000000 [ 89.021409][ T5341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 89.021413][ T5341] R13: 00007fa69cc16038 R14: 00007fa69cc15fa0 R15: 00007ffc17f4ef68 [ 89.021421][ T5341]