program: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000840)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc0ed000e, &(0x7f0000000940)={[{@min_batch_time={'min_batch_time', 0x3d, 0x5}}, {@auto_da_alloc}, {@mb_optimize_scan}, {@noload}, {@noload}, {@noblock_validity}, {@barrier_val={'barrier', 0x3d, 0x80}}, {@auto_da_alloc}]}, 0xfe, 0x497, &(0x7f0000000a00)="$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") r0 = open(&(0x7f00000003c0)='./bus\x00', 0x4a37e, 0x44) (async) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000400)='blkio.bfq.io_service_bytes\x00', 0x275a, 0x0) (async, rerun: 64) close(0x3) (async, rerun: 64) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000200), 0xfea7) r2 = fcntl$getown(r1, 0x9) ptrace$pokeuser(0x6, r2, 0xffffffffffffff80, 0x6) (async) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) (async) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) (async) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/usb/drivers/usbip-host/match_busid\x00', 0x1, 0x0) write(r3, &(0x7f0000000140)='add 1', 0x5) (async) write(r3, &(0x7f0000000180)='add 2', 0x5) write(r3, &(0x7f00000001c0)='add 3', 0x5) (async) write(r3, &(0x7f0000000200)='add 4', 0x5) (async) r4 = perf_event_open(&(0x7f0000000040)={0x5, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x0, 0x8}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) bpf$PROG_LOAD(0x5, 0x0, 0x7) capset(&(0x7f0000000300)={0x20071026, r2}, &(0x7f0000000380)={0xb, 0x2, 0x0, 0x0, 0x3, 0xffffffff}) (async) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r4, 0x4008240b, &(0x7f00000000c0)={0x5, 0x80, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000340), 0x1}, 0x1000, 0x1}) write(r3, &(0x7f0000000240)='add 5', 0x5) (async) write(r3, &(0x7f0000000280)='add 6', 0x5) r5 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r5, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8, 0xfffffffffffffffe]}) (async) close(0x3) (async) socket$inet6_tcp(0xa, 0x1, 0x0) (async) syz_mount_image$squashfs(&(0x7f0000000000), &(0x7f0000000440)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x10, &(0x7f0000000ec0)=ANY=[@ANYBLOB="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", @ANYRESHEX=r5, @ANYRES16=0x0, @ANYRES8=r5, @ANYRES64=0x0, @ANYRES64=r0, @ANYRES32=0x0], 0x21, 0x1f1, &(0x7f0000000780)="$eJzsks9rE0EUxz+zu01TaWmQqCiCqEXroU2aSvxxUPBiUE9SoRYEQ7KtwdQf3YAm9BBBKOJFsAgt4kGQFvEg/gPm4Kk3heKtFHruoQcv0roym7dx8h94mM/luzvz3nfeezP3gsdBL7C3M1+CFBqPNN+VwgOOqWiJstvWpOgN0YTsX3Xa2hL9Lbp3rjE5BapyYiPvtA6Vj6sU/elfa5vA4B0uvLv+6cfNnsX1/dsfvur4a7fqX1Cny4Pv335+dWVpILJXt6dMH7d1dDmpjYDXu5Mbm95h0rFXZXH9QPLPwbXnKx/zL3QHb6ZR2eUkMPptZOlSduClI55BvXG/WK36c8HlZw7b0VE/d+ZL+uMuEIZhGPUOFAAzRre/asQc8WACcAk7MR7/yNRmH2WCemOkMluc8Wf8B7nceD57VqaIn81MV6p+VhlHyATRegbQ19Rn7PcAuxKzj26UUZrsKzM3YVzd8MnuXMfIjVXR6uT2SpyufYJT6NE+aSpjdShy8YhaKtCHKz9jnlFf+6xktDFaelgtL6BQUWQirkXStujpGObMn/HzzTh0QXRItCC6IrolGr/o+KV6kYMjNzHchARPi7Xa3FgCVvslS9ZyurL2V6ppDkyfmnK7m7voYrFYLBaLxWKxWCz/DX8DAAD//97klzY=") (async) open(&(0x7f0000000000)='./file1\x00', 0x0, 0x0) (async, rerun: 64) r6 = syz_open_dev$usbmon(&(0x7f00000002c0), 0x9, 0x400000) (rerun: 64) ioctl$MON_IOCG_STATS(r6, 0x80089203, &(0x7f0000000300)) [ 111.494163][ T46] Bluetooth: hci0: command tx timeout [ 111.686093][ T5328] loop0: detected capacity change from 0 to 512 [ 111.815725][ T5328] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 111.828467][ T5328] loop0: lost file I/O error report for ino 15 type 5 pos 0x0 len 0x0 error -117 [ 111.831633][ T5328] EXT4-fs error (device loop0): ext4_orphan_get:1408: comm syz.0.0: couldn't read orphan inode 15 (err -117) [ 111.838907][ C0] EXT4-fs (loop0): error count since last fsck: 1 [ 111.838942][ C0] EXT4-fs (loop0): initial error at time 1788935799: __ext4_iget:5592: inode 15: block 1803188595 [ 111.838986][ C0] EXT4-fs (loop0): last error at time 1788935799: __ext4_iget:5592: inode 15: block 1803188595 [ 111.858705][ T5328] loop0: lost filesystem error report for type 5 error -117 [ 111.867213][ T5328] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 111.945116][ T5333] capability: warning: `syz.0.0' uses deprecated v2 capabilities in a way that may be insecure [ 111.986016][ T5336] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 112.025928][ T5333] loop0: detected capacity change from 512 to 64 [ 112.047448][ T5336] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 112.077237][ T5336] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 112.089502][ T5336] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 112.128963][ T5336] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 112.139224][ T5336] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 112.155954][ T70] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #20: comm kworker/u4:4: corrupted inode contents [ 112.194302][ T70] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #20: comm kworker/u4:4: mark_inode_dirty error [ 112.200396][ T70] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #20: comm kworker/u4:4: corrupted inode contents [ 112.207039][ T70] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #20: comm kworker/u4:4: mark_inode_dirty error [ 112.225060][ T70] kworker/u4:4: attempt to access beyond end of device [ 112.225060][ T70] loop0: rw=1, sector=130, nr_sectors = 24 limit=64 [ 112.239601][ T70] EXT4-fs warning (device loop0): ext4_end_bio:364: I/O error 10 writing to inode 20 starting block 65) [ 112.245381][ T70] Buffer I/O error on device loop0, logical block 65 [ 112.245419][ T70] Buffer I/O error on device loop0, logical block 66 [ 112.245427][ T70] Buffer I/O error on device loop0, logical block 67 [ 112.245433][ T70] Buffer I/O error on device loop0, logical block 68 [ 112.245439][ T70] Buffer I/O error on device loop0, logical block 69 [ 112.245445][ T70] Buffer I/O error on device loop0, logical block 70 [ 112.245451][ T70] Buffer I/O error on device loop0, logical block 71 [ 112.245458][ T70] Buffer I/O error on device loop0, logical block 72 [ 112.245465][ T70] Buffer I/O error on device loop0, logical block 73 [ 112.245471][ T70] Buffer I/O error on device loop0, logical block 74 [ 112.297102][ T70] ------------[ cut here ]------------ [ 112.297156][ T70] kernel BUG at fs/ext4/mballoc.c:4781! [ 112.297244][ T70] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 112.305292][ T70] CPU: 0 UID: 0 PID: 70 Comm: kworker/u4:4 Not tainted syzkaller #0 PREEMPT(full) [ 112.309530][ T70] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 112.314685][ T70] Workqueue: writeback wb_workfn (flush-7:0) [ 112.318089][ T70] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 112.320711][ T70] Code: e8 c6 f4 a1 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 72 56 30 ff 90 0f 0b e8 6a 56 30 ff 90 0f 0b e8 62 56 30 ff 90 <0f> 0b e8 5a 56 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 112.327818][ T70] RSP: 0018:ffffc90000ae6540 EFLAGS: 00010293 [ 112.330883][ T70] RAX: ffffffff82977ffe RBX: 00000000ffffffec RCX: ffff888031a84b00 [ 112.336261][ T70] RDX: 0000000000000000 RSI: 0000000000000034 RDI: 0000000000000020 [ 112.340425][ T70] RBP: 1ffff1100883050c R08: ffff888044186efb R09: 1ffff11008830ddf [ 112.344561][ T70] R10: dffffc0000000000 R11: ffffed1008830de0 R12: 0000000000000000 [ 112.348317][ T70] R13: 0000000000000034 R14: 1ffff11008830de2 R15: ffff888044186f10 [ 112.352011][ T70] FS: 0000000000000000(0000) GS:ffff88808c2ca000(0000) knlGS:0000000000000000 [ 112.356683][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.360148][ T70] CR2: 00007f60a5233000 CR3: 0000000012fd9000 CR4: 0000000000352ef0 [ 112.363844][ T70] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 112.367186][ T70] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [ 112.371386][ T70] Call Trace: [ 112.372956][ T70] [ 112.374288][ T70] ext4_mb_use_preallocated+0x638/0x13e0 [ 112.376746][ T70] ext4_mb_new_blocks+0x5a0/0x4530 [ 112.379139][ T70] ? do_raw_spin_unlock+0x4d/0x200 [ 112.381541][ T70] ? _raw_spin_unlock+0x28/0x50 [ 112.383767][ T70] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 112.386153][ T70] ? unwind_next_frame+0x1baf/0x2550 [ 112.388689][ T70] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 112.391966][ T70] ? ret_from_fork_asm+0x1a/0x30 [ 112.394997][ T70] ? ext4_block_to_path+0x382/0x700 [ 112.397633][ T70] ext4_ind_map_blocks+0xe96/0x22a0 [ 112.400139][ T70] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 112.402825][ T70] ? kasan_save_track+0x4f/0x80 [ 112.405173][ T70] ? __kasan_slab_alloc+0x6c/0x80 [ 112.407842][ T70] ? down_write+0x16b/0x200 [ 112.410587][ T70] ext4_map_create_blocks+0xbb/0x530 [ 112.413713][ T70] ? ext4_fc_track_inode+0xf3/0x3f0 [ 112.416092][ T70] ext4_map_blocks+0x791/0x12c0 [ 112.418314][ T70] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 112.420642][ T70] ? __pfx_ext4_map_blocks+0x10/0x10 [ 112.422788][ T70] ? kmem_cache_alloc_noprof+0x156/0x600 [ 112.424862][ T70] ext4_do_writepages+0x1901/0x4770 [ 112.426789][ T70] ? __pfx_ext4_do_writepages+0x10/0x10 [ 112.428993][ T70] ? __lock_acquire+0x747/0x2de0 [ 112.431941][ T70] ? filemap_get_folios_tag+0x639/0x720 [ 112.434984][ T70] ? filemap_get_folios_tag+0x118/0x720 [ 112.437286][ T70] ? __pfx_filemap_get_folios_tag+0x10/0x10 [ 112.439749][ T70] ? lock_acquire+0x115/0x350 [ 112.441721][ T70] ext4_writepages+0x241/0x3b0 [ 112.443784][ T70] ? __pfx_ext4_writepages+0x10/0x10 [ 112.446281][ T70] ? trace_pelt_se_tp+0x3b/0x150 [ 112.448805][ T70] ? __pfx_ext4_writepages+0x10/0x10 [ 112.451966][ T70] do_writepages+0x338/0x560 [ 112.454633][ T70] ? do_raw_spin_lock+0x12b/0x2f0 [ 112.456772][ T70] ? reacquire_held_locks+0x117/0x1a0 [ 112.459080][ T70] ? writeback_sb_inodes+0x450/0x1b00 [ 112.461577][ T70] __writeback_single_inode+0x136/0x1220 [ 112.464268][ T70] ? do_raw_spin_unlock+0x4d/0x200 [ 112.466622][ T70] writeback_sb_inodes+0x9de/0x1b00 [ 112.468917][ T70] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 112.471356][ T70] ? __pfx_down_read_trylock+0x10/0x10 [ 112.474144][ T70] ? __pfx___up_read+0x10/0x10 [ 112.476757][ T70] __writeback_inodes_wb+0x114/0x240 [ 112.479442][ T70] wb_writeback+0x42f/0xad0 [ 112.481696][ T70] ? queue_io+0x251/0x470 [ 112.483642][ T70] ? __pfx_wb_writeback+0x10/0x10 [ 112.485837][ T70] ? do_raw_spin_lock+0x12b/0x2f0 [ 112.488167][ T70] wb_workfn+0x980/0x10f0 [ 112.490586][ T70] ? update_se+0x90/0x1020 [ 112.492924][ T70] ? __pfx_wb_workfn+0x10/0x10 [ 112.495443][ T70] ? update_protect_slice+0x128/0x210 [ 112.497858][ T70] ? lock_acquire+0x115/0x350 [ 112.499848][ T70] ? rcu_is_watching+0x16/0xb0 [ 112.501764][ T70] ? process_scheduled_works+0x97a/0x1630 [ 112.504117][ T70] process_scheduled_works+0xc3d/0x1630 [ 112.506796][ T70] ? __pfx_process_scheduled_works+0x10/0x10 [ 112.510026][ T70] ? assign_work+0x3cf/0x5d0 [ 112.512399][ T70] worker_thread+0xa47/0xfb0 [ 112.514503][ T70] ? __kthread_parkme+0x71/0x1f0 [ 112.516829][ T70] kthread+0x38b/0x480 [ 112.518710][ T70] ? __pfx_worker_thread+0x10/0x10 [ 112.520991][ T70] ? __pfx_kthread+0x10/0x10 [ 112.523023][ T70] ret_from_fork+0x514/0xb70 [ 112.525194][ T70] ? __pfx_ret_from_fork+0x10/0x10 [ 112.527487][ T70] ? __switch_to+0xc89/0x1420 [ 112.529602][ T70] ? __pfx_kthread+0x10/0x10 [ 112.532084][ T70] ret_from_fork_asm+0x1a/0x30 [ 112.534838][ T70] [ 112.536784][ T70] Modules linked in: [ 112.539588][ T70] ---[ end trace 0000000000000000 ]--- [ 112.542451][ T70] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 112.542497][ T70] Code: e8 c6 f4 a1 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 72 56 30 ff 90 0f 0b e8 6a 56 30 ff 90 0f 0b e8 62 56 30 ff 90 <0f> 0b e8 5a 56 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 112.542528][ T70] RSP: 0018:ffffc90000ae6540 EFLAGS: 00010293 [ 112.542579][ T70] RAX: ffffffff82977ffe RBX: 00000000ffffffec RCX: ffff888031a84b00 [ 112.542606][ T70] RDX: 0000000000000000 RSI: 0000000000000034 RDI: 0000000000000020 [ 112.542638][ T70] RBP: 1ffff1100883050c R08: ffff888044186efb R09: 1ffff11008830ddf [ 112.542665][ T70] R10: dffffc0000000000 R11: ffffed1008830de0 R12: 0000000000000000 [ 112.542692][ T70] R13: 0000000000000034 R14: 1ffff11008830de2 R15: ffff888044186f10 [ 112.542720][ T70] FS: 0000000000000000(0000) GS:ffff88808c2ca000(0000) knlGS:0000000000000000 [ 112.542748][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.542775][ T70] CR2: 00007f60a5233000 CR3: 0000000012fd9000 CR4: 0000000000352ef0 [ 112.542830][ T70] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 112.542867][ T70] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [ 112.542896][ T70] Kernel panic - not syncing: Fatal exception [ 112.600893][ T70] Kernel Offset: disabled [ 112.602920][ T70] Rebooting in 86400 seconds..