program: pipe(&(0x7f00000001c0)={0xffffffffffffffff}) recvmsg$kcm(r0, 0x0, 0x80) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000840)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc0ed000e, &(0x7f0000000940)={[{@min_batch_time={'min_batch_time', 0x3d, 0x5}}, {@auto_da_alloc}, {@mb_optimize_scan}, {@noload}, {@noload}, {@noblock_validity}, {@barrier_val={'barrier', 0x3d, 0x80}}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x8000}}]}, 0xfe, 0x497, &(0x7f0000000a00)="$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") open(&(0x7f0000000180)='./bus\x00', 0x4a37e, 0x4) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close(0x3) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./binfmt\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./binfmt\x00', &(0x7f0000000100)='binfmt_misc\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./binfmt/register\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)=':..z_custom:M:0:\\x7fELF:x01\\x01', 0x1f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000200), 0xfea7) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r3, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8, 0xfffffffffffffffe]}) close(0x3) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) close_range(r4, 0xffffffffffffffff, 0x0) [ 95.264445][ T5283] Bluetooth: hci0: command tx timeout [ 95.542103][ T5319] loop0: detected capacity change from 0 to 512 [ 95.708243][ T5319] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 95.724417][ T5319] loop0: lost file I/O error report for ino 15 type 5 pos 0x0 len 0x0 error -117 [ 95.726044][ T5319] EXT4-fs error (device loop0): ext4_orphan_get:1408: comm syz.0.0: couldn't read orphan inode 15 (err -117) [ 95.735548][ C0] EXT4-fs (loop0): error count since last fsck: 1 [ 95.735569][ C0] EXT4-fs (loop0): initial error at time 1788584438: __ext4_iget:5592: inode 15: block 1803188595 [ 95.735590][ C0] EXT4-fs (loop0): last error at time 1788584438: __ext4_iget:5592: inode 15: block 1803188595 [ 95.750579][ T5319] loop0: lost filesystem error report for type 5 error -117 [ 95.757895][ T5319] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 95.835395][ T5319] loop0: detected capacity change from 512 to 64 [ 95.856745][ T1055] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm kworker/u4:8: corrupted inode contents [ 95.864000][ T1055] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm kworker/u4:8: mark_inode_dirty error [ 95.864307][ T1055] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm kworker/u4:8: corrupted inode contents [ 95.864616][ T1055] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm kworker/u4:8: mark_inode_dirty error [ 95.865206][ T1055] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm kworker/u4:8: corrupted inode contents [ 95.886258][ T1055] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2537: inode #19: comm kworker/u4:8: mark_inode_dirty error [ 95.892311][ T1055] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2541: comm kworker/u4:8: Failed to mark inode 19 dirty [ 95.898939][ T1055] kworker/u4:8: attempt to access beyond end of device [ 95.898939][ T1055] loop0: rw=1, sector=130, nr_sectors = 24 limit=64 [ 95.898998][ T1055] EXT4-fs warning (device loop0): ext4_end_bio:364: I/O error 10 writing to inode 19 starting block 65) [ 95.899149][ T1055] Buffer I/O error on device loop0, logical block 65 [ 95.899175][ T1055] Buffer I/O error on device loop0, logical block 66 [ 95.899183][ T1055] Buffer I/O error on device loop0, logical block 67 [ 95.899189][ T1055] Buffer I/O error on device loop0, logical block 68 [ 95.899196][ T1055] Buffer I/O error on device loop0, logical block 69 [ 95.899202][ T1055] Buffer I/O error on device loop0, logical block 70 [ 95.899207][ T1055] Buffer I/O error on device loop0, logical block 71 [ 95.899213][ T1055] Buffer I/O error on device loop0, logical block 72 [ 95.899218][ T1055] Buffer I/O error on device loop0, logical block 73 [ 95.899224][ T1055] Buffer I/O error on device loop0, logical block 74 [ 95.963154][ T5319] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 95.978679][ T5319] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm syz.0.0: mark_inode_dirty error [ 95.986426][ T5319] ------------[ cut here ]------------ [ 95.986496][ T5319] kernel BUG at fs/ext4/mballoc.c:4781! [ 95.987289][ T5319] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 95.995017][ T5319] CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 95.999014][ T5319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 96.003421][ T5319] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 96.006199][ T5319] Code: e8 36 f6 a1 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 52 80 30 ff 90 0f 0b e8 4a 80 30 ff 90 0f 0b e8 42 80 30 ff 90 <0f> 0b e8 3a 80 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 96.014625][ T5319] RSP: 0018:ffffc9000deeed60 EFLAGS: 00010287 [ 96.017278][ T5319] RAX: ffffffff82974bee RBX: 00000000ffffffec RCX: 0000000000100000 [ 96.020977][ T5319] RDX: ffffc9000ed72000 RSI: 0000000000001423 RDI: 0000000000001424 [ 96.024592][ T5319] RBP: 1ffff110087bad0c R08: ffff888043ddaefb R09: 1ffff110087bb5df [ 96.028693][ T5319] R10: dffffc0000000000 R11: ffffed10087bb5e0 R12: 0000000000000000 [ 96.032406][ T5319] R13: 0000000000000034 R14: 1ffff110087bb5e2 R15: ffff888043ddaf10 [ 96.035965][ T5319] FS: 00007f569d4606c0(0000) GS:ffff88808c2cd000(0000) knlGS:0000000000000000 [ 96.039832][ T5319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.042791][ T5319] CR2: 00005608e2b99000 CR3: 000000004393b000 CR4: 0000000000352ef0 [ 96.046425][ T5319] Call Trace: [ 96.047970][ T5319] [ 96.049377][ T5319] ext4_mb_use_preallocated+0x638/0x13e0 [ 96.051968][ T5319] ext4_mb_new_blocks+0x5a0/0x4530 [ 96.054238][ T5319] ? do_raw_spin_unlock+0x4d/0x200 [ 96.056543][ T5319] ? _raw_spin_unlock+0x28/0x50 [ 96.059142][ T5319] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 96.062244][ T5319] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 96.064770][ T5319] ? ext4_block_to_path+0x382/0x700 [ 96.067228][ T5319] ext4_ind_map_blocks+0xe96/0x22a0 [ 96.069882][ T5319] ? lockdep_unlock+0x5c/0xd0 [ 96.072048][ T5319] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 96.074509][ T5319] ? down_write+0x16b/0x200 [ 96.076530][ T5319] ext4_map_create_blocks+0xbb/0x530 [ 96.078684][ T5319] ? ext4_fc_track_inode+0xf3/0x3f0 [ 96.081026][ T5319] ext4_map_blocks+0x791/0x12c0 [ 96.083449][ T5319] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 96.086131][ T5319] ? __pfx_ext4_map_blocks+0x10/0x10 [ 96.088518][ T5319] ? kmem_cache_alloc_noprof+0x156/0x600 [ 96.091043][ T5319] ext4_do_writepages+0x1901/0x4770 [ 96.093292][ T5319] ? __pfx_ext4_do_writepages+0x10/0x10 [ 96.095742][ T5319] ? __lock_acquire+0x6df/0x2e50 [ 96.097915][ T5319] ? __lock_acquire+0x6df/0x2e50 [ 96.100125][ T5319] ? lock_acquire+0x115/0x350 [ 96.102201][ T5319] ext4_writepages+0x241/0x3b0 [ 96.104363][ T5319] ? __lock_acquire+0x6df/0x2e50 [ 96.106497][ T5319] ? __pfx_ext4_writepages+0x10/0x10 [ 96.108854][ T5319] ? is_bpf_text_address+0x26/0x2b0 [ 96.111121][ T5319] ? __mutex_trylock_common+0x15f/0x270 [ 96.113526][ T5319] ? __pfx_ext4_writepages+0x10/0x10 [ 96.115905][ T5319] do_writepages+0x338/0x560 [ 96.118000][ T5319] ? do_raw_spin_unlock+0x4d/0x200 [ 96.120356][ T5319] filemap_flush+0x1e1/0x2e0 [ 96.122408][ T5319] ? __pfx_filemap_flush+0x10/0x10 [ 96.124674][ T5319] ? locks_remove_file+0x11a/0xf40 [ 96.126859][ T5319] ? rcu_is_watching+0x16/0xb0 [ 96.128955][ T5319] ext4_release_file+0x82/0x310 [ 96.130990][ T5319] ? __pfx_ext4_release_file+0x10/0x10 [ 96.133306][ T5319] __fput+0x418/0xa50 [ 96.134895][ T5319] task_work_run+0x1d9/0x270 [ 96.136789][ T5319] ? __pfx_task_work_run+0x10/0x10 [ 96.138958][ T5319] exit_to_user_mode_loop+0x204/0x770 [ 96.141214][ T5319] ? rcu_is_watching+0x16/0xb0 [ 96.143160][ T5319] do_syscall_64+0x328/0x520 [ 96.145079][ T5319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.147587][ T5319] ? clear_bhb_loop+0x70/0xc0 [ 96.149477][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.151904][ T5319] RIP: 0033:0x7f569c59e159 [ 96.153855][ T5319] 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 [ 96.161930][ T5319] RSP: 002b:00007f569d45ffe8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 96.165564][ T5319] RAX: 0000000000000000 RBX: 00007f569c825fa0 RCX: 00007f569c59e159 [ 96.168991][ T5319] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000003 [ 96.172452][ T5319] RBP: 00007f569c635024 R08: 0000000000000000 R09: 0000000000000000 [ 96.175901][ T5319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.179199][ T5319] R13: 00007f569c826038 R14: 00007f569c825fa0 R15: 00007fffeea38798 [ 96.182576][ T5319] [ 96.183770][ T5319] Modules linked in: [ 96.185958][ T5319] ---[ end trace 0000000000000000 ]--- [ 96.188330][ T5319] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 96.188362][ T5319] Code: e8 36 f6 a1 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 52 80 30 ff 90 0f 0b e8 4a 80 30 ff 90 0f 0b e8 42 80 30 ff 90 <0f> 0b e8 3a 80 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 96.188384][ T5319] RSP: 0018:ffffc9000deeed60 EFLAGS: 00010287 [ 96.188422][ T5319] RAX: ffffffff82974bee RBX: 00000000ffffffec RCX: 0000000000100000 [ 96.188443][ T5319] RDX: ffffc9000ed72000 RSI: 0000000000001423 RDI: 0000000000001424 [ 96.188464][ T5319] RBP: 1ffff110087bad0c R08: ffff888043ddaefb R09: 1ffff110087bb5df [ 96.188490][ T5319] R10: dffffc0000000000 R11: ffffed10087bb5e0 R12: 0000000000000000 [ 96.188516][ T5319] R13: 0000000000000034 R14: 1ffff110087bb5e2 R15: ffff888043ddaf10 [ 96.188543][ T5319] FS: 00007f569d4606c0(0000) GS:ffff88808c2cd000(0000) knlGS:0000000000000000 [ 96.188571][ T5319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.188593][ T5319] CR2: 00005608e2b99000 CR3: 000000004393b000 CR4: 0000000000352ef0 [ 96.188637][ T5319] Kernel panic - not syncing: Fatal exception [ 96.231589][ T5319] Kernel Offset: disabled [ 96.233378][ T5319] Rebooting in 86400 seconds..