program: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x30) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=@newqdisc={0x3c, 0x24, 0x200, 0x70bd2a, 0x0, {0x0, 0x0, 0x0, 0x0, {0x0, 0x2}, {0xffe0}, {0xf}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_INGRESS={0x8, 0xf, 0x1}]}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000884}, 0x48000) poll(&(0x7f0000000000), 0x20000000000000b5, 0x9) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=ANY=[@ANYBLOB="4800000010001fff752b056800080000faff8141", @ANYRES32=0x0, @ANYBLOB="67a9fde500000000280012800a00010076786c616e"], 0x3}}, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) close(r3) socket$nl_route(0x10, 0x3, 0x0) write$binfmt_misc(r2, &(0x7f0000000000), 0xfffffecc) splice(r1, 0x0, r3, 0x0, 0x4ffe6, 0x0) ioctl$KVM_SIGNAL_MSI(r0, 0x4020aea5, &(0x7f0000000000)={0x8000000, 0x0, 0x5, 0x1, 0x9}) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000740), 0x8202, 0x0) 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) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f00000003c0)='./bus\x00', 0x0, 0x5000, 0x0) r5 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r5, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]}) r6 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x11) pwritev2(r6, &(0x7f0000000cc0)=[{&(0x7f0000000240)=';', 0xffffffbc}], 0x1, 0xfff, 0xc, 0x4) mmap$binder(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1, 0x11, r4, 0x8000000000000000) modify_ldt$write(0x11, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x3}, 0x10) [ 84.293055][ T5291] Bluetooth: hci0: command tx timeout [ 84.375863][ T5335] netlink: 12 bytes leftover after parsing attributes in process `syz.0.0'. [ 84.396914][ T5335] loop0: detected capacity change from 0 to 512 [ 84.430851][ T5335] EXT4-fs (loop0): invalid journal inode [ 84.434634][ T5335] EXT4-fs (loop0): can't get journal size [ 84.473991][ T5335] EXT4-fs (loop0): 1 truncate cleaned up [ 84.479891][ T5335] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 84.539972][ T5335] loop0: detected capacity change from 512 to 64 [ 84.585701][ T5335] syz.0.0: attempt to access beyond end of device [ 84.585701][ T5335] loop0: rw=2049, sector=72, nr_sectors = 2 limit=64 [ 84.591692][ T5335] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 36) [ 84.596945][ T5335] Buffer I/O error on device loop0, logical block 36 [ 84.600637][ T5335] syz.0.0: attempt to access beyond end of device [ 84.600637][ T5335] loop0: rw=2049, sector=78, nr_sectors = 2 limit=64 [ 84.605612][ T5335] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 39) [ 84.611543][ T5335] Buffer I/O error on device loop0, logical block 39 [ 84.619631][ T5335] syz.0.0: attempt to access beyond end of device [ 84.619631][ T5335] loop0: rw=2049, sector=80, nr_sectors = 16 limit=64 [ 84.624781][ T5335] EXT4-fs warning (device loop0): ext4_end_bio:372: I/O error 10 writing to inode 15 starting block 40) [ 84.631241][ T5335] Buffer I/O error on device loop0, logical block 40 [ 84.633705][ T5335] Buffer I/O error on device loop0, logical block 41 [ 84.636686][ T5335] Buffer I/O error on device loop0, logical block 42 [ 84.639881][ T5335] Buffer I/O error on device loop0, logical block 43 [ 84.644160][ T5335] Buffer I/O error on device loop0, logical block 44 [ 84.647052][ T5335] Buffer I/O error on device loop0, logical block 45 [ 84.649858][ T5335] Buffer I/O error on device loop0, logical block 46 [ 84.652706][ T5335] Buffer I/O error on device loop0, logical block 47 [ 84.769590][ T5335] ------------[ cut here ]------------ [ 84.772330][ T5335] kernel BUG at fs/ext4/mballoc.c:4780! [ 84.775426][ T5335] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 84.778136][ T5335] CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.781835][ T5335] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.786146][ T5335] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 84.788646][ T5335] Code: e8 44 91 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 20 ab 37 ff 90 0f 0b e8 18 ab 37 ff 90 0f 0b e8 10 ab 37 ff 90 <0f> 0b e8 08 ab 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 84.796270][ T5335] RSP: 0018:ffffc9000cc4e648 EFLAGS: 00010283 [ 84.798700][ T5335] RAX: ffffffff828e1b10 RBX: 00000000fffffffe RCX: 0000000000100000 [ 84.801866][ T5335] RDX: ffffc90020001000 RSI: 000000000000d788 RDI: 000000000000d789 [ 84.804964][ T5335] RBP: 1ffff11008dc80ef R08: ffff888046e44efb R09: 1ffff11008dc89df [ 84.808242][ T5335] R10: dffffc0000000000 R11: ffffed1008dc89e0 R12: 0000000000000000 [ 84.811556][ T5335] R13: 0000000000000074 R14: 1ffff11008dc89e2 R15: ffff888046e44f10 [ 84.814794][ T5335] FS: 00007f9305e3c6c0(0000) GS:ffff88808c895000(0000) knlGS:0000000000000000 [ 84.818473][ T5335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.821320][ T5335] CR2: 0000200000000180 CR3: 000000004258e000 CR4: 0000000000352ef0 [ 84.824635][ T5335] Call Trace: [ 84.826044][ T5335] [ 84.827353][ T5335] ext4_mb_use_preallocated+0x660/0x13f0 [ 84.829686][ T5335] ext4_mb_new_blocks+0x5e2/0x46c0 [ 84.831824][ T5335] ? rcu_is_watching+0x15/0xb0 [ 84.833854][ T5335] ? __mark_inode_dirty+0x4cf/0x13b0 [ 84.836076][ T5335] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 84.838331][ T5335] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 84.840458][ T5335] ? ext4_block_to_path+0x297/0x6f0 [ 84.842371][ T5335] ext4_ind_map_blocks+0xe96/0x2260 [ 84.844437][ T5335] ? __lock_acquire+0x6b5/0x2cf0 [ 84.846440][ T5335] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 84.848689][ T5335] ? stack_depot_save_flags+0x33/0x810 [ 84.850824][ T5335] ? __kasan_slab_alloc+0x6c/0x80 [ 84.852782][ T5335] ? ext4_inode_journal_mode+0x193/0x470 [ 84.855195][ T5335] ? ext4_map_blocks+0x7b5/0x11d0 [ 84.857308][ T5335] ext4_map_create_blocks+0xc1/0x540 [ 84.859621][ T5335] ext4_map_blocks+0x7cd/0x11d0 [ 84.861708][ T5335] ? __pfx_ext4_map_blocks+0x10/0x10 [ 84.863901][ T5335] ? __ext4_journal_ensure_credits+0x30/0x450 [ 84.866425][ T5335] ext4_do_writepages+0x18f3/0x4670 [ 84.868836][ T5335] ? __lock_acquire+0x6b5/0x2cf0 [ 84.870884][ T5335] ? __lock_acquire+0x6b5/0x2cf0 [ 84.872952][ T5335] ? __pfx_ext4_do_writepages+0x10/0x10 [ 84.875363][ T5335] ? __lock_acquire+0x6b5/0x2cf0 [ 84.877464][ T5335] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 84.879932][ T5335] ? debug_object_free+0x2d7/0x490 [ 84.882186][ T5335] ? ext4_writepages+0x205/0x3b0 [ 84.884365][ T5335] ? ext4_writepages+0x205/0x3b0 [ 84.886398][ T5335] ext4_writepages+0x241/0x3b0 [ 84.888419][ T5335] ? __pfx_ext4_writepages+0x10/0x10 [ 84.890707][ T5335] ? bad_range+0x8b/0x2c0 [ 84.892558][ T5335] ? __pfx_ext4_writepages+0x10/0x10 [ 84.894744][ T5335] do_writepages+0x32e/0x550 [ 84.896812][ T5335] ? do_raw_spin_unlock+0x4d/0x210 [ 84.899104][ T5335] file_write_and_wait_range+0x36e/0x440 [ 84.901575][ T5335] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 84.904153][ T5335] ? __pfx_file_write_and_wait_range+0x10/0x10 [ 84.906867][ T5335] mmb_fsync_noflush+0x76/0x1c0 [ 84.909060][ T5335] ext4_sync_file+0x437/0xd50 [ 84.911117][ T5335] ? __pfx_ext4_sync_file+0x10/0x10 [ 84.913310][ T5335] ? ext4_buffered_write_iter+0xd9/0x3a0 [ 84.915839][ T5335] ? sync_lazytime+0x5e/0x4c0 [ 84.917880][ T5335] ext4_buffered_write_iter+0x2ca/0x3a0 [ 84.920290][ T5335] ext4_file_write_iter+0x298/0x1bf0 [ 84.922515][ T5335] ? __lock_acquire+0x6b5/0x2cf0 [ 84.924718][ T5335] ? __pfx_aa_file_perm+0x10/0x10 [ 84.926902][ T5335] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 84.929361][ T5335] ? __pfx___futex_wait+0x10/0x10 [ 84.931538][ T5335] do_iter_readv_writev+0x619/0x8c0 [ 84.933558][ T5335] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 84.935432][ T5335] vfs_writev+0x33c/0x990 [ 84.936798][ T5335] ? __pfx_vfs_writev+0x10/0x10 [ 84.938463][ T5335] ? __fget_files+0x2a/0x420 [ 84.940248][ T5335] ? __fget_files+0x3a0/0x420 [ 84.942128][ T5335] ? __fget_files+0x2a/0x420 [ 84.944006][ T5335] __se_sys_pwritev2+0x184/0x2a0 [ 84.946069][ T5335] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 84.948319][ T5335] ? __x64_sys_pwritev2+0x20/0xc0 [ 84.950933][ T5335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.954176][ T5335] do_syscall_64+0x174/0x580 [ 84.956571][ T5335] ? trace_irq_disable+0x3b/0x140 [ 84.958694][ T5335] ? clear_bhb_loop+0x40/0x90 [ 84.960638][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.962998][ T5335] RIP: 0033:0x7f9304f9ce59 [ 84.964771][ T5335] 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 [ 84.972655][ T5335] RSP: 002b:00007f9305e3bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 84.976042][ T5335] RAX: ffffffffffffffda RBX: 00007f9305216090 RCX: 00007f9304f9ce59 [ 84.979411][ T5335] RDX: 0000000000000001 RSI: 0000200000000cc0 RDI: 000000000000000a [ 84.982637][ T5335] RBP: 00007f9305032d6f R08: 000000000000000c R09: 0000000000000004 [ 84.985808][ T5335] R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000000 [ 84.988945][ T5335] R13: 00007f9305216128 R14: 00007f9305216090 R15: 00007fff438c8168 [ 84.991991][ T5335] [ 84.993257][ T5335] Modules linked in: [ 84.995380][ T5335] ---[ end trace 0000000000000000 ]--- [ 84.997999][ T5335] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 85.000624][ T5335] Code: e8 44 91 a4 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 20 ab 37 ff 90 0f 0b e8 18 ab 37 ff 90 0f 0b e8 10 ab 37 ff 90 <0f> 0b e8 08 ab 37 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 85.008670][ T5335] RSP: 0018:ffffc9000cc4e648 EFLAGS: 00010283 [ 85.011256][ T5335] RAX: ffffffff828e1b10 RBX: 00000000fffffffe RCX: 0000000000100000 [ 85.014514][ T5335] RDX: ffffc90020001000 RSI: 000000000000d788 RDI: 000000000000d789 [ 85.017922][ T5335] RBP: 1ffff11008dc80ef R08: ffff888046e44efb R09: 1ffff11008dc89df [ 85.021091][ T5335] R10: dffffc0000000000 R11: ffffed1008dc89e0 R12: 0000000000000000 [ 85.024308][ T5335] R13: 0000000000000074 R14: 1ffff11008dc89e2 R15: ffff888046e44f10 [ 85.027723][ T5335] FS: 00007f9305e3c6c0(0000) GS:ffff88808c895000(0000) knlGS:0000000000000000 [ 85.031410][ T5335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.033965][ T5335] CR2: 0000200000000180 CR3: 000000004258e000 CR4: 0000000000352ef0 [ 85.037209][ T5335] Kernel panic - not syncing: Fatal exception [ 85.040332][ T5335] Kernel Offset: disabled [ 85.042376][ T5335] Rebooting in 86400 seconds..