program: socket$nl_route(0x10, 0x3, 0x0) (async) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_STRSET_GET(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000440)={0x1c, r2, 0x705, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}, @ETHTOOL_A_STRSET_STRINGSETS={0x4}]}, 0x1c}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), r3) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r3, 0x8933, &(0x7f0000000080)={'batadv0\x00', 0x0}) bpf$BPF_BTF_GET_NEXT_ID(0x14, &(0x7f00000017c0)={0x1}, 0x8) (async) bpf$BPF_BTF_GET_NEXT_ID(0x14, &(0x7f00000017c0)={0x1}, 0x8) r6 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x40082, 0x0) ioctl$PPPIOCNEWUNIT(r6, 0xc004743e, &(0x7f0000000140)) r7 = syz_genetlink_get_family_id$tipc(&(0x7f0000000340), r1) 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==") creat(&(0x7f0000000000)='./bus\x00', 0x0) (async) r8 = creat(&(0x7f0000000000)='./bus\x00', 0x0) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r9, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r8, &(0x7f0000000000), 0x70000}]) ioctl$TCSETSF2(r8, 0x402c542d, &(0x7f0000000480)={0x3, 0x3, 0x6, 0x80000001, 0x9, "d2bfd625541cad41d137052b52ed000b3d0bb1", 0x6a, 0x1}) (async) ioctl$TCSETSF2(r8, 0x402c542d, &(0x7f0000000480)={0x3, 0x3, 0x6, 0x80000001, 0x9, "d2bfd625541cad41d137052b52ed000b3d0bb1", 0x6a, 0x1}) sendmsg$TIPC_CMD_GET_BEARER_NAMES(r1, &(0x7f0000000400)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x1c, r7, 0x300, 0x70bd2d, 0x25dfdbff, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000040) ioctl$PPPIOCSFLAGS1(r6, 0x40047459, &(0x7f0000000080)=0x80) (async) ioctl$PPPIOCSFLAGS1(r6, 0x40047459, &(0x7f0000000080)=0x80) pwritev(r6, &(0x7f0000000040)=[{&(0x7f0000000300)="80fd0fa67941", 0x6}], 0x1, 0x0, 0x0) sendmsg$BATADV_CMD_SET_MESH(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x24, r4, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r5}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x8008001}, 0x0) sendmsg$BATADV_CMD_GET_HARDIF(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r4, 0x1, 0x70bd27, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x44080) sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000002240)={&(0x7f0000000000)=ANY=[@ANYBLOB="3c00000010000d042cbd7000fbdbdf2500000000", @ANYRES32=0x0, @ANYBLOB="00000000000000005b45ffee0b00010067656e65766500000c00028008000200fa000100"], 0x3c}}, 0x860) r10 = creat(&(0x7f00000001c0)='./file1\x00', 0x0) write$binfmt_elf64(r10, &(0x7f0000001a40)=ANY=[], 0xfd14) ioctl$FS_IOC_SETFLAGS(r10, 0x40086602, &(0x7f0000000000)) (async) ioctl$FS_IOC_SETFLAGS(r10, 0x40086602, &(0x7f0000000000)) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000580)={{r8}, &(0x7f00000004c0), &(0x7f0000000500)=r10}, 0x20) (async) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000580)={{r8}, &(0x7f00000004c0), &(0x7f0000000500)=r10}, 0x20) [ 76.049163][ T5303] Bluetooth: hci0: command tx timeout [ 76.153852][ T5324] loop0: detected capacity change from 0 to 1024 [ 76.217134][ T5324] netlink: 28 bytes leftover after parsing attributes in process `syz.0.0'. [ 76.222543][ T5324] [ 76.223606][ T5324] ====================================================== [ 76.226949][ T5324] WARNING: possible circular locking dependency detected [ 76.230101][ T5324] 6.16.0-rc2-syzkaller-00278-g3f75bfff44be #0 Not tainted [ 76.233175][ T5324] ------------------------------------------------------ [ 76.236042][ T5324] syz.0.0/5324 is trying to acquire lock: [ 76.238496][ T5324] ffff88801193c0b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 76.242989][ T5324] [ 76.242989][ T5324] but task is already holding lock: [ 76.246315][ T5324] ffff888052fe7048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_truncate+0x294/0xb40 [ 76.251007][ T5324] [ 76.251007][ T5324] which lock already depends on the new lock. [ 76.251007][ T5324] [ 76.255301][ T5324] [ 76.255301][ T5324] the existing dependency chain (in reverse order) is: [ 76.259391][ T5324] [ 76.259391][ T5324] -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}: [ 76.263657][ T5324] lock_acquire+0x120/0x360 [ 76.266161][ T5324] __mutex_lock+0x182/0xe80 [ 76.268413][ T5324] hfsplus_file_extend+0x1fc/0x1990 [ 76.270655][ T5324] hfsplus_bmap_reserve+0x122/0x500 [ 76.273199][ T5324] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 76.275958][ T5324] __hfsplus_ext_cache_extent+0x89/0xe30 [ 76.278783][ T5324] hfsplus_file_extend+0x444/0x1990 [ 76.281209][ T5324] hfsplus_get_block+0x411/0x1530 [ 76.283571][ T5324] __block_write_begin_int+0x6b2/0x1900 [ 76.286149][ T5324] cont_write_begin+0x789/0xb50 [ 76.288364][ T5324] hfsplus_write_begin+0x66/0xb0 [ 76.290863][ T5324] generic_perform_write+0x2c7/0x910 [ 76.293560][ T5324] generic_file_write_iter+0x10f/0x540 [ 76.296134][ T5324] aio_write+0x535/0x7a0 [ 76.298039][ T5324] io_submit_one+0x78b/0x1310 [ 76.300014][ T5324] __se_sys_io_submit+0x185/0x2f0 [ 76.302202][ T5324] do_syscall_64+0xfa/0x3b0 [ 76.304452][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.307227][ T5324] [ 76.307227][ T5324] -> #0 (&tree->tree_lock/1){+.+.}-{4:4}: [ 76.310429][ T5324] validate_chain+0xb9b/0x2140 [ 76.312756][ T5324] __lock_acquire+0xab9/0xd20 [ 76.315038][ T5324] lock_acquire+0x120/0x360 [ 76.317247][ T5324] __mutex_lock+0x182/0xe80 [ 76.319426][ T5324] hfsplus_find_init+0x15a/0x1d0 [ 76.321794][ T5324] hfsplus_file_truncate+0x383/0xb40 [ 76.324336][ T5324] hfsplus_setattr+0x1c4/0x270 [ 76.327052][ T5324] notify_change+0xb36/0xe40 [ 76.329712][ T5324] do_truncate+0x1a4/0x220 [ 76.332036][ T5324] path_openat+0x306c/0x3830 [ 76.334457][ T5324] do_filp_open+0x1fa/0x410 [ 76.336729][ T5324] do_sys_openat2+0x121/0x1c0 [ 76.338984][ T5324] __x64_sys_creat+0x8f/0xc0 [ 76.341101][ T5324] do_syscall_64+0xfa/0x3b0 [ 76.343237][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.346149][ T5324] [ 76.346149][ T5324] other info that might help us debug this: [ 76.346149][ T5324] [ 76.350522][ T5324] Possible unsafe locking scenario: [ 76.350522][ T5324] [ 76.354497][ T5324] CPU0 CPU1 [ 76.357493][ T5324] ---- ---- [ 76.360114][ T5324] lock(&HFSPLUS_I(inode)->extents_lock); [ 76.362908][ T5324] lock(&tree->tree_lock/1); [ 76.366688][ T5324] lock(&HFSPLUS_I(inode)->extents_lock); [ 76.370307][ T5324] lock(&tree->tree_lock/1); [ 76.372608][ T5324] [ 76.372608][ T5324] *** DEADLOCK *** [ 76.372608][ T5324] [ 76.376225][ T5324] 3 locks held by syz.0.0/5324: [ 76.378343][ T5324] #0: ffff88801193a428 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 76.383608][ T5324] #1: ffff888052fe7238 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: do_truncate+0x171/0x220 [ 76.388616][ T5324] #2: ffff888052fe7048 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_truncate+0x294/0xb40 [ 76.393812][ T5324] [ 76.393812][ T5324] stack backtrace: [ 76.397330][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.16.0-rc2-syzkaller-00278-g3f75bfff44be #0 PREEMPT(full) [ 76.397346][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.397353][ T5324] Call Trace: [ 76.397360][ T5324] [ 76.397366][ T5324] dump_stack_lvl+0x189/0x250 [ 76.397388][ T5324] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.397401][ T5324] ? __pfx__printk+0x10/0x10 [ 76.397414][ T5324] ? print_lock_name+0xde/0x100 [ 76.397423][ T5324] print_circular_bug+0x2ee/0x310 [ 76.397434][ T5324] check_noncircular+0x134/0x160 [ 76.397445][ T5324] validate_chain+0xb9b/0x2140 [ 76.397454][ T5324] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 76.397470][ T5324] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 76.397487][ T5324] __lock_acquire+0xab9/0xd20 [ 76.397502][ T5324] ? hfsplus_find_init+0x15a/0x1d0 [ 76.397511][ T5324] lock_acquire+0x120/0x360 [ 76.397523][ T5324] ? hfsplus_find_init+0x15a/0x1d0 [ 76.397533][ T5324] __mutex_lock+0x182/0xe80 [ 76.397542][ T5324] ? hfsplus_find_init+0x15a/0x1d0 [ 76.397553][ T5324] ? hfsplus_find_init+0x15a/0x1d0 [ 76.397562][ T5324] ? __pfx___mutex_lock+0x10/0x10 [ 76.397573][ T5324] ? rcu_is_watching+0x15/0xb0 [ 76.397589][ T5324] ? __kmalloc_noprof+0x29b/0x4f0 [ 76.397599][ T5324] ? hfsplus_find_init+0x8c/0x1d0 [ 76.397608][ T5324] hfsplus_find_init+0x15a/0x1d0 [ 76.397618][ T5324] hfsplus_file_truncate+0x383/0xb40 [ 76.397634][ T5324] ? __pfx_hfsplus_file_truncate+0x10/0x10 [ 76.397647][ T5324] ? unmap_mapping_range+0xde/0x170 [ 76.397661][ T5324] ? __pfx_unmap_mapping_range+0x10/0x10 [ 76.397675][ T5324] ? truncate_setsize+0xcf/0xf0 [ 76.397717][ T5324] hfsplus_setattr+0x1c4/0x270 [ 76.397729][ T5324] ? __pfx_hfsplus_setattr+0x10/0x10 [ 76.397740][ T5324] notify_change+0xb36/0xe40 [ 76.397758][ T5324] do_truncate+0x1a4/0x220 [ 76.397769][ T5324] ? __pfx_do_truncate+0x10/0x10 [ 76.397778][ T5324] ? apparmor_file_truncate+0x23e/0x2d0 [ 76.397801][ T5324] path_openat+0x306c/0x3830 [ 76.397815][ T5324] ? arch_stack_walk+0xfc/0x150 [ 76.397830][ T5324] ? __pfx_path_openat+0x10/0x10 [ 76.397843][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.397859][ T5324] do_filp_open+0x1fa/0x410 [ 76.397871][ T5324] ? __lock_acquire+0xab9/0xd20 [ 76.397885][ T5324] ? __pfx_do_filp_open+0x10/0x10 [ 76.397903][ T5324] ? _raw_spin_unlock+0x28/0x50 [ 76.397916][ T5324] ? alloc_fd+0x64c/0x6c0 [ 76.397927][ T5324] do_sys_openat2+0x121/0x1c0 [ 76.397946][ T5324] ? __pfx_do_sys_openat2+0x10/0x10 [ 76.397960][ T5324] ? rcu_is_watching+0x15/0xb0 [ 76.397981][ T5324] __x64_sys_creat+0x8f/0xc0 [ 76.397995][ T5324] do_syscall_64+0xfa/0x3b0 [ 76.398006][ T5324] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.398019][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.398028][ T5324] ? clear_bhb_loop+0x60/0xb0 [ 76.398038][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.398048][ T5324] RIP: 0033:0x7f3d6e38e929 [ 76.398083][ T5324] 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 [ 76.398090][ T5324] RSP: 002b:00007f3d6f244038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 76.398101][ T5324] RAX: ffffffffffffffda RBX: 00007f3d6e5b5fa0 RCX: 00007f3d6e38e929 [ 76.398108][ T5324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000001c0 [ 76.398114][ T5324] RBP: 00007f3d6e410b39 R08: 0000000000000000 R09: 0000000000000000 [ 76.398120][ T5324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.398126][ T5324] R13: 0000000000000000 R14: 00007f3d6e5b5fa0 R15: 00007ffe06b08cb8 [ 76.398137][ T5324] [ 76.550343][ T1313] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.553119][ T1313] ieee802154 phy1 wpan1: encryption failed: -22