program: syz_mount_image$ext4(&(0x7f00000003c0)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xed, 0x474, &(0x7f0000000b80)="$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") open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) r0 = socket$inet6(0xa, 0x800000000000002, 0x0) r1 = socket$inet6(0xa, 0x3, 0x7) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmmsg(r1, &(0x7f0000000480), 0x2e9, 0x0) r2 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x60, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r4, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x34, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x1, 0x1, 0x400}, 0xa5, 0x4, 0x10000000}}, @TCA_TBF_BURST={0x8, 0x6, 0x8057}]}}]}, 0x60}}, 0x44080) r5 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x70bd2a, 0x0, {0x60, 0x0, 0x0, r4, {0x0, 0xf}, {0xfff2, 0xa}, {0x7}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x4c, 0x2, {{0x7, 0x8, 0x400004, 0x0, 0x7}, 0xf0, 0x0, 0x31a, 0x3, 0x88a, 0x2, 0x8b, 0x1b, 0x6, 0xffffffd0, {0x0, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) sendmmsg$inet6(r0, &(0x7f0000001340)=[{{&(0x7f0000000140)={0xa, 0x4e21, 0x8, @dev={0xfe, 0x80, '\x00', 0xa}}, 0x1c, 0x0}}], 0x1, 0xc040) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff3000/0x2000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000fec000/0x14000)=nil, &(0x7f0000fe9000/0x3000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffe000/0x1000)=nil, 0x0}, 0x68) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0) r6 = io_uring_setup(0x1c79, &(0x7f0000000040)={0x0, 0xc8a1, 0xc000, 0x8, 0x351}) bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x17, 0x3, 0x0, 0x0, 0x8000000, 0x0, 0x0, 0x0, 0x20, '\x00', 0x0, @fallback=0x2f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) io_uring_enter(r6, 0x2219, 0x7721, 0x16, 0x0, 0x0) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r7 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r7, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r8 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r8, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) [ 101.889146][ T4656] Bluetooth: hci0: command tx timeout [ 101.963459][ T5334] loop0: detected capacity change from 0 to 512 [ 102.010596][ T5334] EXT4-fs (loop0): invalid journal inode [ 102.015856][ T5334] EXT4-fs (loop0): can't get journal size [ 102.047413][ T5334] EXT4-fs (loop0): 1 truncate cleaned up [ 102.062156][ T5334] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 102.089150][ T5334] sch_tbf: burst 4398 is lower than device lo mtu (65550) ! [ 102.126035][ T5334] loop0: detected capacity change from 512 to 64 [ 102.162747][ T5334] syz.0.0: attempt to access beyond end of device [ 102.162747][ T5334] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 102.169559][ T5334] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 102.175447][ T5334] Buffer I/O error on device loop0, logical block 36 [ 102.178911][ T5334] syz.0.0: attempt to access beyond end of device [ 102.178911][ T5334] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 102.184131][ T5334] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 102.189075][ T5334] Buffer I/O error on device loop0, logical block 39 [ 102.192709][ T5334] syz.0.0: attempt to access beyond end of device [ 102.192709][ T5334] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 102.198893][ T5334] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 102.203553][ T5334] Buffer I/O error on device loop0, logical block 40 [ 102.206262][ T5334] Buffer I/O error on device loop0, logical block 41 [ 102.209018][ T5334] Buffer I/O error on device loop0, logical block 42 [ 102.211709][ T5334] Buffer I/O error on device loop0, logical block 43 [ 102.215409][ T5334] Buffer I/O error on device loop0, logical block 44 [ 102.218210][ T5334] Buffer I/O error on device loop0, logical block 45 [ 102.221017][ T5334] Buffer I/O error on device loop0, logical block 46 [ 102.223949][ T5334] Buffer I/O error on device loop0, logical block 47 [ 102.336947][ T5334] ------------[ cut here ]------------ [ 102.340439][ T5334] kernel BUG at fs/ext4/mballoc.c:4780! [ 102.342669][ T5334] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 102.345080][ T5334] CPU: 0 UID: 0 PID: 5334 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 102.347986][ T5334] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 102.351879][ T5334] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 102.354780][ T5334] Code: e8 24 90 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 00 aa 37 ff 90 0f 0b e8 f8 a9 37 ff 90 0f 0b e8 f0 a9 37 ff 90 <0f> 0b e8 e8 a9 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 102.362764][ T5334] RSP: 0000:ffffc9000e076648 EFLAGS: 00010283 [ 102.365114][ T5334] RAX: ffffffff828e1d60 RBX: 00000000fffffffe RCX: 0000000000100000 [ 102.367929][ T5334] RDX: ffffc9000eeca000 RSI: 000000000000dd36 RDI: 000000000000dd37 [ 102.370919][ T5334] RBP: 1ffff1100652c0ef R08: ffff888032964efb R09: 1ffff1100652c9df [ 102.373979][ T5334] R10: dffffc0000000000 R11: ffffed100652c9e0 R12: 0000000000000000 [ 102.376808][ T5334] R13: 0000000000000074 R14: 1ffff1100652c9e2 R15: ffff888032964f10 [ 102.379795][ T5334] FS: 00007fb0703a56c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 102.382907][ T5334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.385444][ T5334] CR2: 00007f8d2c1e0000 CR3: 000000004282c000 CR4: 0000000000352ef0 [ 102.388496][ T5334] Call Trace: [ 102.389775][ T5334] [ 102.390848][ T5334] ext4_mb_use_preallocated+0x660/0x13f0 [ 102.392898][ T5334] ext4_mb_new_blocks+0x5e2/0x46c0 [ 102.394910][ T5334] ? rcu_is_watching+0x15/0xb0 [ 102.396845][ T5334] ? __mark_inode_dirty+0x4cf/0x13b0 [ 102.398924][ T5334] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 102.401100][ T5334] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 102.403462][ T5334] ? ext4_block_to_path+0x297/0x6f0 [ 102.405578][ T5334] ext4_ind_map_blocks+0xe96/0x2260 [ 102.407617][ T5334] ? __lock_acquire+0x6b5/0x2cf0 [ 102.409357][ T5334] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 102.411329][ T5334] ? stack_depot_save_flags+0x33/0x810 [ 102.413483][ T5334] ? __kasan_slab_alloc+0x6c/0x80 [ 102.415340][ T5334] ? ext4_inode_journal_mode+0x193/0x470 [ 102.417346][ T5334] ? ext4_map_blocks+0x7b5/0x11d0 [ 102.419257][ T5334] ext4_map_create_blocks+0xc1/0x540 [ 102.421188][ T5334] ext4_map_blocks+0x7cd/0x11d0 [ 102.423154][ T5334] ? __pfx_ext4_map_blocks+0x10/0x10 [ 102.424923][ T5334] ? __ext4_journal_ensure_credits+0x30/0x450 [ 102.427033][ T5334] ext4_do_writepages+0x18f3/0x4670 [ 102.429076][ T5334] ? __lock_acquire+0x6b5/0x2cf0 [ 102.431054][ T5334] ? __lock_acquire+0x6b5/0x2cf0 [ 102.432791][ T5334] ? __pfx_ext4_do_writepages+0x10/0x10 [ 102.435051][ T5334] ? __lock_acquire+0x6b5/0x2cf0 [ 102.436894][ T5334] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 102.439167][ T5334] ? debug_object_free+0x2d7/0x490 [ 102.441188][ T5334] ? ext4_writepages+0x205/0x3b0 [ 102.443260][ T5334] ? ext4_writepages+0x205/0x3b0 [ 102.445184][ T5334] ext4_writepages+0x241/0x3b0 [ 102.446914][ T5334] ? __pfx_ext4_writepages+0x10/0x10 [ 102.448772][ T5334] ? bad_range+0x8b/0x2c0 [ 102.450460][ T5334] ? __pfx_ext4_writepages+0x10/0x10 [ 102.452293][ T5334] do_writepages+0x32e/0x550 [ 102.454233][ T5334] ? do_raw_spin_unlock+0x4d/0x210 [ 102.456323][ T5334] file_write_and_wait_range+0x36e/0x440 [ 102.458483][ T5334] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 102.460637][ T5334] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 102.462850][ T5334] mmb_fsync_noflush+0x76/0x1c0 [ 102.464580][ T5334] ext4_sync_file+0x437/0xd50 [ 102.466309][ T5334] ? __pfx_ext4_sync_file+0x10/0x10 [ 102.468293][ T5334] ? ext4_buffered_write_iter+0xd9/0x3a0 [ 102.470387][ T5334] ? sync_lazytime+0x5e/0x4c0 [ 102.472222][ T5334] ext4_buffered_write_iter+0x2ca/0x3a0 [ 102.474260][ T5334] ext4_file_write_iter+0x298/0x1bf0 [ 102.476337][ T5334] ? __lock_acquire+0x6b5/0x2cf0 [ 102.478310][ T5334] ? __pfx_aa_file_perm+0x10/0x10 [ 102.480201][ T5334] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 102.482250][ T5334] ? preempt_schedule_thunk+0x16/0x30 [ 102.484256][ T5334] do_iter_readv_writev+0x619/0x8c0 [ 102.486009][ T5334] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 102.487917][ T5334] vfs_writev+0x33c/0x990 [ 102.489619][ T5334] ? __pfx_vfs_writev+0x10/0x10 [ 102.491496][ T5334] ? __fget_files+0x2a/0x420 [ 102.493155][ T5334] ? __fget_files+0x3a0/0x420 [ 102.494929][ T5334] ? __fget_files+0x2a/0x420 [ 102.496549][ T5334] __se_sys_pwritev2+0x184/0x2a0 [ 102.498322][ T5334] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 102.500177][ T5334] ? __x64_sys_pwritev2+0x20/0xc0 [ 102.502052][ T5334] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.504311][ T5334] do_syscall_64+0x174/0x580 [ 102.505889][ T5334] ? trace_irq_disable+0x3b/0x140 [ 102.507751][ T5334] ? clear_bhb_loop+0x40/0x90 [ 102.509521][ T5334] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.511635][ T5334] RIP: 0033:0x7fb06f59ce59 [ 102.513209][ T5334] 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 [ 102.520363][ T5334] RSP: 002b:00007fb0703a4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 102.523514][ T5334] RAX: ffffffffffffffda RBX: 00007fb06f815fa0 RCX: 00007fb06f59ce59 [ 102.526649][ T5334] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 000000000000000c [ 102.529668][ T5334] RBP: 00007fb06f632d6f R08: 000000000000000c R09: 0000000000000004 [ 102.532467][ T5334] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 102.535413][ T5334] R13: 00007fb06f816038 R14: 00007fb06f815fa0 R15: 00007ffc93231b78 [ 102.538376][ T5334] [ 102.539518][ T5334] Modules linked in: [ 102.541581][ T5334] ---[ end trace 0000000000000000 ]--- [ 102.543719][ T5334] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 102.545947][ T5334] Code: e8 24 90 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 00 aa 37 ff 90 0f 0b e8 f8 a9 37 ff 90 0f 0b e8 f0 a9 37 ff 90 <0f> 0b e8 e8 a9 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 102.553100][ T5334] RSP: 0000:ffffc9000e076648 EFLAGS: 00010283 [ 102.555932][ T5334] RAX: ffffffff828e1d60 RBX: 00000000fffffffe RCX: 0000000000100000 [ 102.558764][ T5334] RDX: ffffc9000eeca000 RSI: 000000000000dd36 RDI: 000000000000dd37 [ 102.561624][ T5334] RBP: 1ffff1100652c0ef R08: ffff888032964efb R09: 1ffff1100652c9df [ 102.564581][ T5334] R10: dffffc0000000000 R11: ffffed100652c9e0 R12: 0000000000000000 [ 102.568012][ T5334] R13: 0000000000000074 R14: 1ffff1100652c9e2 R15: ffff888032964f10 [ 102.571220][ T5334] FS: 00007fb0703a56c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 [ 102.574920][ T5334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.577745][ T5334] CR2: 00007f8d2c1e0000 CR3: 000000004282c000 CR4: 0000000000352ef0 [ 102.581058][ T5334] Kernel panic - not syncing: Fatal exception [ 102.583945][ T5334] Kernel Offset: disabled [ 102.585744][ T5334] Rebooting in 86400 seconds..