program: openat$dir(0xffffffffffffff9c, 0x0, 0x140, 0x82) syz_mount_image$udf(&(0x7f0000000180), &(0x7f0000000100)='./bus\x00', 0x1014494, &(0x7f00000002c0)={[{@iocharset={'iocharset', 0x3d, 'iso8859-4'}}, {@partition={'partition', 0x3d, 0x6}}, {@gid_forget}, {@session={'session', 0x3d, 0xfe8}}, {@noadinicb}, {@anchor}, {@uid_forget}]}, 0xfe, 0xc24, &(0x7f0000001480)="$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") r0 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) ftruncate(r0, 0x2007ffc) sendfile(r0, r0, 0x0, 0x800000009) r1 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) r2 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) ftruncate(r2, 0x2007ffb) sendfile(r1, r2, 0x0, 0x1000000201005) r3 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r3, 0x4c09, 0x8000) ioctl$SCSI_IOCTL_SEND_COMMAND(r1, 0x1, &(0x7f0000000380)={0x29, 0x1, 0x9, "003bc99de54a068f1f8e02db0b2a130a2e0e25d97d269099cd8698f69d357ada83e615008751cef68e"}) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x2}) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) close(r5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)) ioctl$SIOCSIFHWADDR(r5, 0x8914, &(0x7f0000000000)={'syzkaller0\x00', @broadcast}) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) r8 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$nl_route_sched(r7, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x44, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r9, {0x0, 0xfff1}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_hfsc={{0x9}, {0x14, 0x2, @TCA_HFSC_FSC={0x10, 0x2, {0x4d, 0xfffffffb, 0x7fffffff}}}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x20040084) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f00000002c0)={[{@inlinecrypt}, {@errors_remount}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@errors_remount}, {@data_err_ignore}, {@jqfmt_vfsv1}, {@lazytime}, {@grpquota}, {@noload}, {@nouid32}, {@bh}, {@dioread_nolock}]}, 0x1, 0x553, &(0x7f0000001080)="$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") r10 = creat(&(0x7f0000000080)='./bus\x00', 0x3) io_submit(0x0, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030003, 0x2, 0x1, 0x0, r10, &(0x7f0000000000), 0x100000, 0xfeffff}]) r11 = openat$cgroup_devices(0xffffffffffffffff, &(0x7f00000000c0)='devices.deny\x00', 0x2, 0x0) ioctl$F2FS_IOC_WRITE_CHECKPOINT(r11, 0xf507, 0x0) sendmsg$nl_route_sched(r7, &(0x7f0000001200)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000001740)=@newqdisc={0x838, 0x28, 0x4ee4e6a52ff56541, 0x4001, 0xfffffdfc, {0x0, 0x0, 0x0, r9, {0x10}, {}, {0x2, 0x3}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x80c, 0x2, [@TCA_TBF_RTAB={0x404, 0x2, [0x1, 0x1, 0x1, 0x8000, 0x3, 0x5, 0xc04, 0xb762, 0x6, 0x7, 0x8, 0xf, 0x2, 0x80000001, 0x400, 0x800, 0xffff8000, 0x6, 0x401, 0x9, 0xb89, 0xffffe4f5, 0xd6, 0x4, 0xffff, 0x7, 0x0, 0x2, 0x101, 0x1, 0xfffffffc, 0x4, 0x1, 0x1, 0x9, 0xc, 0x1000, 0x2, 0x2, 0x7, 0x4, 0x99, 0x9, 0x5, 0x6, 0x7, 0xfffffff7, 0x1, 0x2, 0x5, 0x9, 0x44, 0x8, 0x8, 0x1, 0x4, 0x7ff, 0x8, 0x7, 0x80000001, 0x400, 0x8, 0xfffffa72, 0xcd, 0xffffff80, 0x80000000, 0xc, 0x4, 0x65, 0x91, 0x659, 0x9, 0xf, 0x7, 0xc28, 0x9, 0x7, 0x3, 0x401, 0x3, 0x2, 0xfffffffa, 0x5, 0x10001, 0x3, 0x1, 0x4, 0x8, 0x8, 0x7, 0x1, 0x1, 0x1, 0x7, 0x40, 0x7, 0xe, 0x8000, 0x1, 0x4dc, 0x80, 0x3, 0x7fffffff, 0xff, 0x9, 0xa7, 0xf, 0x2, 0xfffffffd, 0x3, 0x1000, 0x4, 0x401, 0x7, 0x80000000, 0xffff, 0x6, 0x5, 0x4, 0x2, 0x80000000, 0x1966f9ab, 0x5, 0x20200, 0xed5, 0xfffffc00, 0x6, 0x4, 0x8, 0x485e, 0xa89, 0x40, 0x2, 0x7, 0x7, 0x101, 0x2d5421e8, 0x7, 0x10000, 0xffffffff, 0x6, 0x3ff, 0xf04, 0x0, 0x2, 0x5, 0xfffffc00, 0x5, 0x8d, 0x4, 0x401, 0x4, 0x9, 0x3, 0xfffffffb, 0x1, 0x0, 0x0, 0x2, 0x5, 0x8, 0x3, 0x4, 0x800, 0x2, 0x8, 0x7ff, 0x1, 0x9, 0x6, 0x5, 0x5, 0x4d15, 0x1ff, 0xfffff060, 0x3, 0x469, 0x3, 0x0, 0x200, 0x5, 0x7, 0x1, 0x8, 0x42ba, 0x4, 0x9, 0x3, 0x8, 0x8, 0x53, 0x6, 0x4, 0x400, 0x8000, 0x0, 0x2c310b18, 0xfff, 0x0, 0x3, 0xcd34, 0x9, 0x81, 0xdf3, 0x2, 0x7, 0x8, 0xfff, 0x1ff, 0x8000, 0x3, 0x8, 0x3, 0x9, 0x9a6, 0xe4cb, 0x402, 0x1, 0x1ff, 0x3e, 0x9b4, 0x1, 0x8, 0x0, 0x8, 0x0, 0x9, 0x0, 0x4, 0x10, 0x901, 0x5, 0x2, 0x7b, 0xfffffeff, 0x6, 0x6, 0xc, 0x1000, 0x9, 0x9, 0xe6, 0xab, 0x400, 0x7fffffff, 0xed, 0x7ff, 0xd83, 0x68, 0x80000001, 0x4, 0x1, 0x6, 0x200, 0x2]}, @TCA_TBF_PTAB={0x404, 0x3, [0x7, 0x6, 0xd, 0x400, 0x0, 0x3, 0x5, 0x10000, 0x7, 0x4, 0x81, 0x0, 0x7, 0x0, 0x9, 0x5, 0xc0000, 0x8001, 0x1, 0x2000, 0x1, 0x8da5, 0x1, 0x4, 0x2, 0x6, 0x58, 0x7, 0x6f, 0x8, 0x3, 0x4, 0x9, 0x1000, 0x4, 0x9, 0x6, 0x80000001, 0x3, 0x1, 0xd4, 0x100, 0xa, 0xfff, 0x8, 0x9, 0x7, 0x7fffffff, 0xf4b3, 0x1, 0x0, 0x8, 0x8, 0x6, 0xd815, 0xfffffff9, 0x2, 0x401, 0x9, 0x36, 0xf, 0x74, 0xbbc, 0x9, 0xfffffffd, 0x6, 0x8, 0x5, 0x6, 0xb, 0x5, 0x5, 0x4e3, 0x1, 0x0, 0x9, 0x8001, 0x2, 0x1000, 0x7fffffff, 0x46a3, 0x6, 0x2, 0x1dd50645, 0x401, 0x5, 0x101, 0xbf, 0x0, 0x9, 0x3, 0x65, 0xffffff13, 0x2, 0x30, 0x1a3f, 0x2, 0x389f, 0x4, 0x3, 0x3ff, 0x4, 0x4, 0x6, 0xf3bb, 0x1ff, 0x7, 0xf, 0xb, 0x401, 0x4, 0x1000, 0x1, 0x8, 0x1, 0x7ff, 0x7fff, 0x8, 0xd, 0x3ff, 0x4, 0x1, 0xffff, 0x7fff, 0x2, 0x9, 0x1, 0xfff, 0xddad, 0xfffffffe, 0x4, 0x0, 0x101, 0x78f0, 0xf, 0x7, 0x0, 0x3, 0x7, 0x100, 0x3, 0xffffffff, 0xfffffffe, 0xffffff7f, 0x3, 0x8, 0x6, 0xd, 0x3, 0xa, 0xd0, 0x200, 0x0, 0x400, 0x9, 0x6, 0x132f, 0xaba3, 0x1, 0x3, 0x1, 0x5, 0x6f780000, 0xc, 0x1ff, 0x40, 0x8, 0x3, 0x2, 0x1, 0x0, 0x71, 0xb17, 0x4, 0xbc5, 0x0, 0x7, 0xffff, 0x100, 0x7b58, 0x1, 0x7, 0x1ff, 0x3, 0x400, 0x80000000, 0x1000, 0x3, 0xfffffffa, 0x9a5, 0x8, 0x5, 0x1, 0x9, 0x3, 0x9, 0x7, 0x3, 0x1, 0x101, 0x2, 0x6, 0x598f, 0x5, 0x90, 0x0, 0xa, 0x9, 0x1000, 0x8, 0xd00f, 0x2, 0x1, 0x6, 0x2a, 0x7, 0x100, 0x24e, 0xbd, 0x2, 0x2800000, 0x4, 0x0, 0x401, 0x6, 0x2, 0x9, 0x7039, 0x4, 0x1, 0x9, 0x11, 0xb18, 0x2, 0xfffffffe, 0x26e, 0x6, 0x5c, 0x8, 0x100, 0x3ff, 0x1, 0x0, 0xb, 0x10000, 0x8, 0x6, 0x2, 0x6, 0x7, 0x2, 0x7ff, 0x1, 0x4, 0x8001, 0x3]}]}}]}, 0x838}, 0x1, 0x0, 0x0, 0x40098}, 0x0) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) [ 76.094679][ T5302] Bluetooth: hci0: command tx timeout [ 76.208330][ T5323] loop0: detected capacity change from 0 to 2048 [ 76.227364][ T5323] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362 [ 76.244257][ T5323] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 76.254560][ T5323] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 76.268759][ T5323] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 76.280323][ T25] audit: type=1800 audit(1763371519.611:2): pid=5323 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=1346 res=0 errno=0 [ 76.328597][ T1314] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.331445][ T1314] ieee802154 phy1 wpan1: encryption failed: -22 [ 76.430192][ T5325] syzkaller0: entered promiscuous mode [ 76.432678][ T5325] syzkaller0: entered allmulticast mode [ 76.585183][ T5323] [ 76.586347][ T5323] ============================================ [ 76.589000][ T5323] WARNING: possible recursive locking detected [ 76.591862][ T5323] syzkaller #0 Not tainted [ 76.594100][ T5323] -------------------------------------------- [ 76.596931][ T5323] syz.0.0/5323 is trying to acquire lock: [ 76.599639][ T5323] ffff8880433d5128 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_free_blocks+0x9e2/0x17f0 [ 76.604160][ T5323] [ 76.604160][ T5323] but task is already holding lock: [ 76.607419][ T5323] ffff8880433d5128 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x8d0/0x10b0 [ 76.611883][ T5323] [ 76.611883][ T5323] other info that might help us debug this: [ 76.615294][ T5323] Possible unsafe locking scenario: [ 76.615294][ T5323] [ 76.618529][ T5323] CPU0 [ 76.619967][ T5323] ---- [ 76.621465][ T5323] lock(&sbi->s_alloc_mutex); [ 76.623502][ T5323] lock(&sbi->s_alloc_mutex); [ 76.625460][ T5323] [ 76.625460][ T5323] *** DEADLOCK *** [ 76.625460][ T5323] [ 76.628977][ T5323] May be due to missing lock nesting notation [ 76.628977][ T5323] [ 76.633456][ T5323] 4 locks held by syz.0.0/5323: [ 76.636308][ T5323] #0: ffff88801e8f4420 (sb_writers#12){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x160 [ 76.640957][ T5323] #1: ffff888044910f40 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: udf_file_write_iter+0x6e/0x6c0 [ 76.645547][ T5323] #2: ffff888044910d70 (&ei->i_data_sem#2){++++}-{4:4}, at: udf_map_block+0x283/0x45f0 [ 76.650171][ T5323] #3: ffff8880433d5128 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x8d0/0x10b0 [ 76.654816][ T5323] [ 76.654816][ T5323] stack backtrace: [ 76.657165][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 76.657181][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.657188][ T5323] Call Trace: [ 76.657195][ T5323] [ 76.657201][ T5323] dump_stack_lvl+0x189/0x250 [ 76.657223][ T5323] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.657237][ T5323] ? __pfx__printk+0x10/0x10 [ 76.657248][ T5323] ? print_lock_name+0xde/0x100 [ 76.657258][ T5323] print_deadlock_bug+0x28b/0x2a0 [ 76.657273][ T5323] validate_chain+0x1a3f/0x2140 [ 76.657290][ T5323] __lock_acquire+0xab9/0xd20 [ 76.657302][ T5323] ? udf_free_blocks+0x9e2/0x17f0 [ 76.657323][ T5323] lock_acquire+0x120/0x360 [ 76.657333][ T5323] ? udf_free_blocks+0x9e2/0x17f0 [ 76.657351][ T5323] __mutex_lock+0x187/0x1350 [ 76.658217][ T5323] ? udf_free_blocks+0x9e2/0x17f0 [ 76.658232][ T5323] ? folio_mark_accessed+0x42c/0x8b0 [ 76.658250][ T5323] ? __pfx_folio_mark_accessed+0x10/0x10 [ 76.658266][ T5323] ? udf_free_blocks+0x9e2/0x17f0 [ 76.658315][ T5323] ? __pfx___mutex_lock+0x10/0x10 [ 76.658333][ T5323] ? __pfx___might_resched+0x10/0x10 [ 76.658343][ T5323] ? fs_reclaim_acquire+0x7d/0x100 [ 76.658359][ T5323] udf_free_blocks+0x9e2/0x17f0 [ 76.658377][ T5323] ? udf_get_fileshortad+0x6e/0x1b0 [ 76.658392][ T5323] ? udf_current_aext+0x698/0xb00 [ 76.658403][ T5323] ? __pfx_udf_free_blocks+0x10/0x10 [ 76.658423][ T5323] udf_delete_aext+0x4df/0xbc0 [ 76.658437][ T5323] ? __pfx_udf_delete_aext+0x10/0x10 [ 76.658450][ T5323] udf_prealloc_blocks+0xb7e/0x10b0 [ 76.658461][ T5323] ? __pfx_udf_new_block+0x10/0x10 [ 76.658472][ T5323] ? __pfx_udf_prealloc_blocks+0x10/0x10 [ 76.658484][ T5323] ? udf_map_block+0x1662/0x45f0 [ 76.658491][ T5323] udf_map_block+0x1f70/0x45f0 [ 76.658501][ T5323] ? __pfx_udf_map_block+0x10/0x10 [ 76.658514][ T5323] ? do_raw_spin_unlock+0x4d/0x240 [ 76.658528][ T5323] __udf_get_block+0x52/0x250 [ 76.658538][ T5323] __block_write_begin_int+0x6b5/0x1900 [ 76.658551][ T5323] ? __pfx_workingset_update_node+0x10/0x10 [ 76.658562][ T5323] ? __pfx_udf_get_block+0x10/0x10 [ 76.658572][ T5323] ? __pfx___block_write_begin_int+0x10/0x10 [ 76.658586][ T5323] ? __pfx_udf_get_block+0x10/0x10 [ 76.658594][ T5323] block_write_begin+0x8a/0x120 [ 76.658604][ T5323] ? udf_write_begin+0x92/0x270 [ 76.658614][ T5323] udf_write_begin+0x115/0x270 [ 76.658625][ T5323] generic_perform_write+0x2c5/0x900 [ 76.658637][ T5323] ? __pfx_generic_perform_write+0x10/0x10 [ 76.658648][ T5323] ? generic_file_direct_write+0x385/0x3e0 [ 76.658658][ T5323] ? file_update_time+0x416/0x490 [ 76.658671][ T5323] __generic_file_write_iter+0x1ae/0x230 [ 76.658682][ T5323] udf_file_write_iter+0x2d5/0x6c0 [ 76.658699][ T5323] iter_file_splice_write+0x975/0x10e0 [ 76.658715][ T5323] ? __pfx_iter_file_splice_write+0x10/0x10 [ 76.658724][ T5323] ? rcu_read_lock_any_held+0xb3/0x120 [ 76.658734][ T5323] ? direct_splice_actor+0x10c/0x160 [ 76.658744][ T5323] ? __pfx_iter_file_splice_write+0x10/0x10 [ 76.658754][ T5323] direct_splice_actor+0x101/0x160 [ 76.658768][ T5323] splice_direct_to_actor+0x5a8/0xcc0 [ 76.658788][ T5323] ? __pfx_direct_splice_actor+0x10/0x10 [ 76.658802][ T5323] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 76.658817][ T5323] do_splice_direct+0x181/0x270 [ 76.658832][ T5323] ? __pfx_do_splice_direct+0x10/0x10 [ 76.658846][ T5323] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 76.658864][ T5323] ? rw_verify_area+0x255/0x4d0 [ 76.658877][ T5323] do_sendfile+0x4da/0x7e0 [ 76.658896][ T5323] ? __pfx_do_sendfile+0x10/0x10 [ 76.658910][ T5323] ? __rseq_handle_notify_resume+0x384/0x1220 [ 76.658927][ T5323] ? __se_sys_futex+0x36f/0x400 [ 76.658945][ T5323] __se_sys_sendfile64+0x13e/0x190 [ 76.658961][ T5323] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 76.658976][ T5323] ? do_syscall_64+0xbe/0xfa0 [ 76.658991][ T5323] do_syscall_64+0xfa/0xfa0 [ 76.659005][ T5323] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.659020][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.659031][ T5323] ? clear_bhb_loop+0x60/0xb0 [ 76.659042][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.659052][ T5323] RIP: 0033:0x7fb81b58f6c9 [ 76.659064][ T5323] 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 [ 76.659074][ T5323] RSP: 002b:00007fb81c3a8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 76.659088][ T5323] RAX: ffffffffffffffda RBX: 00007fb81b7e5fa0 RCX: 00007fb81b58f6c9 [ 76.659096][ T5323] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 [ 76.659103][ T5323] RBP: 00007fb81b611f91 R08: 0000000000000000 R09: 0000000000000000 [ 76.659110][ T5323] R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000000 [ 76.659117][ T5323] R13: 00007fb81b7e6038 R14: 00007fb81b7e5fa0 R15: 00007ffcbe33c488 [ 76.659126][ T5323] [ 78.163728][ T5302] Bluetooth: hci0: command tx timeout [ 80.244057][ T5302] Bluetooth: hci0: command tx timeout [ 82.323766][ T5302] Bluetooth: hci0: command tx timeout