program: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000840)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc0ed000e, &(0x7f0000000940)={[{@min_batch_time={'min_batch_time', 0x3d, 0x5}}, {@auto_da_alloc}, {@mb_optimize_scan}, {@noload}, {@noload}, {@noblock_validity}, {@barrier_val={'barrier', 0x3d, 0x80}}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x8000}}]}, 0xfe, 0x497, &(0x7f0000000a00)="$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") r0 = open(&(0x7f0000000180)='./bus\x00', 0x4a37e, 0x4) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close(0x3) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000200), 0xfea7) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x8000, 0xa0) ioctl$LOOP_SET_STATUS64(r2, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x14, 0xd, "ef359f413bb9386ff7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e7376b7a5ff537ed73ac58818d78c660e677df8dc905b90242b7c528a076d2f6a00400", "036c5bc6780820d1cbf7966d61fdcf335263bd9b0abdc2542ded71038259ca171ce1a311ef545032d71e14ef3dc177e9b48b001d00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8, 0xfffffffffffffffe]}) close(0x3) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) close_range(r3, 0xffffffffffffffff, 0x0) r4 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r0, 0x84, 0x15, &(0x7f0000000040)={0xa}, 0x1) setsockopt$inet6_buf(r4, 0x29, 0xcd, 0x0, 0x5c) syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000080)='./file0\x00', 0x4000, &(0x7f00000000c0)=ANY=[@ANYBLOB="706172743d3078303030303030303030303130666666662c756d61736b3d30303030303030303030303030303030313137373737372c636f6465706167653d6575632d6a702c696f636861727365743d63cb3490b206d6bb3163703933322c000b8942c6ed3c60a1"], 0x4, 0x34e, &(0x7f0000000800)="$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") [ 95.109806][ T5282] Bluetooth: hci0: command tx timeout [ 95.181645][ T5323] loop0: detected capacity change from 0 to 512 [ 95.295162][ T5323] EXT4-fs error (device loop0): __ext4_iget:5592: inode #15: block 1803188595: comm syz.0.0: invalid block [ 95.299939][ T5323] loop0: lost file I/O error report for ino 15 type 5 pos 0x0 len 0x0 error -117 [ 95.305609][ T5323] EXT4-fs error (device loop0): ext4_orphan_get:1408: comm syz.0.0: couldn't read orphan inode 15 (err -117) [ 95.305778][ T5323] loop0: lost filesystem error report for type 5 error -117 [ 95.308913][ T5323] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 95.368170][ T5323] loop0: detected capacity change from 512 to 64 [ 95.390272][ T5323] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 95.390745][ T5323] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm syz.0.0: mark_inode_dirty error [ 95.391229][ T5323] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 95.391470][ T5323] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm syz.0.0: mark_inode_dirty error [ 95.391878][ T5323] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm syz.0.0: corrupted inode contents [ 95.393016][ T5323] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2537: inode #19: comm syz.0.0: mark_inode_dirty error [ 95.393506][ T5323] EXT4-fs error (device loop0): mpage_map_and_submit_extent:2541: comm syz.0.0: Failed to mark inode 19 dirty [ 95.393833][ T5323] syz.0.0: attempt to access beyond end of device [ 95.393833][ T5323] loop0: rw=1, sector=258, nr_sectors = 24 limit=64 [ 95.394149][ T5323] EXT4-fs warning (device loop0): ext4_end_bio:364: I/O error 10 writing to inode 19 starting block 129) [ 95.394260][ T5323] Buffer I/O error on device loop0, logical block 129 [ 95.394296][ T5323] Buffer I/O error on device loop0, logical block 130 [ 95.394305][ T5323] Buffer I/O error on device loop0, logical block 131 [ 95.394312][ T5323] Buffer I/O error on device loop0, logical block 132 [ 95.394317][ T5323] Buffer I/O error on device loop0, logical block 133 [ 95.394321][ T5323] Buffer I/O error on device loop0, logical block 134 [ 95.394326][ T5323] Buffer I/O error on device loop0, logical block 135 [ 95.394330][ T5323] Buffer I/O error on device loop0, logical block 136 [ 95.394335][ T5323] Buffer I/O error on device loop0, logical block 137 [ 95.394339][ T5323] Buffer I/O error on device loop0, logical block 138 [ 95.489182][ T13] EXT4-fs error (device loop0): ext4_do_update_inode:5801: inode #19: comm kworker/u4:1: corrupted inode contents [ 95.491066][ T13] EXT4-fs error (device loop0): ext4_dirty_inode:6731: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 95.492358][ T13] ------------[ cut here ]------------ [ 95.492806][ T13] kernel BUG at fs/ext4/mballoc.c:4781! [ 95.492871][ T13] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 95.510288][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u4:1 Not tainted syzkaller #0 PREEMPT(full) [ 95.514176][ T13] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.518344][ T13] Workqueue: writeback wb_workfn (flush-7:0) [ 95.520738][ T13] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 95.523070][ T13] Code: e8 a6 00 a2 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 02 99 30 ff 90 0f 0b e8 fa 98 30 ff 90 0f 0b e8 f2 98 30 ff 90 <0f> 0b e8 ea 98 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 95.531061][ T13] RSP: 0018:ffffc9000026e540 EFLAGS: 00010293 [ 95.533661][ T13] RAX: ffffffff8297333e RBX: 00000000ffffffec RCX: ffff88801b770000 [ 95.537203][ T13] RDX: 0000000000000000 RSI: 0000000000000034 RDI: 0000000000000020 [ 95.540608][ T13] RBP: 1ffff110086deb63 R08: ffff8880436fa07b R09: 1ffff110086df40f [ 95.544114][ T13] R10: dffffc0000000000 R11: ffffed10086df410 R12: 0000000000000000 [ 95.547467][ T13] R13: 0000000000000034 R14: 1ffff110086df412 R15: ffff8880436fa090 [ 95.550876][ T13] FS: 0000000000000000(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000 [ 95.554740][ T13] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.557590][ T13] CR2: 00007f6f2c807c00 CR3: 0000000012a05000 CR4: 0000000000352ef0 [ 95.560994][ T13] Call Trace: [ 95.562507][ T13] [ 95.563839][ T13] ext4_mb_use_preallocated+0x638/0x13e0 [ 95.566112][ T13] ext4_mb_new_blocks+0x5a0/0x4530 [ 95.568150][ T13] ? rcu_is_watching+0x16/0xb0 [ 95.570141][ T13] ? __pfx_ext4_new_meta_blocks+0x10/0x10 [ 95.572384][ T13] ? unwind_next_frame+0x1baf/0x2550 [ 95.574444][ T13] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 95.576724][ T13] ? ret_from_fork_asm+0x1a/0x30 [ 95.578798][ T13] ? ext4_block_to_path+0x382/0x700 [ 95.581132][ T13] ext4_ind_map_blocks+0xe96/0x22a0 [ 95.583386][ T13] ? lockdep_unlock+0x5c/0xd0 [ 95.585518][ T13] ? __pfx_ext4_ind_map_blocks+0x10/0x10 [ 95.587974][ T13] ? down_write+0x16b/0x200 [ 95.590043][ T13] ext4_map_create_blocks+0xbb/0x530 [ 95.592393][ T13] ? ext4_fc_track_inode+0xf3/0x3f0 [ 95.594621][ T13] ext4_map_blocks+0x791/0x12c0 [ 95.596813][ T13] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 95.599165][ T13] ? __pfx_ext4_map_blocks+0x10/0x10 [ 95.601390][ T13] ? kmem_cache_alloc_noprof+0x156/0x600 [ 95.603861][ T13] ext4_do_writepages+0x1901/0x4770 [ 95.606294][ T13] ? __pfx_ext4_do_writepages+0x10/0x10 [ 95.608796][ T13] ? __lock_acquire+0x6df/0x2e50 [ 95.611038][ T13] ? filemap_get_folios_tag+0x118/0x720 [ 95.613405][ T13] ? filemap_get_folios_tag+0x639/0x720 [ 95.615797][ T13] ? filemap_get_folios_tag+0x118/0x720 [ 95.618218][ T13] ? __pfx_filemap_get_folios_tag+0x10/0x10 [ 95.620656][ T13] ? lock_acquire+0x115/0x350 [ 95.622700][ T13] ext4_writepages+0x241/0x3b0 [ 95.624807][ T13] ? __pfx_ext4_writepages+0x10/0x10 [ 95.627011][ T13] ? unwind_next_frame+0x8f/0x2550 [ 95.629146][ T13] ? __pfx_ext4_writepages+0x10/0x10 [ 95.631368][ T13] do_writepages+0x338/0x560 [ 95.633297][ T13] ? do_raw_spin_lock+0x12b/0x2f0 [ 95.635403][ T13] ? reacquire_held_locks+0x117/0x1a0 [ 95.637701][ T13] ? writeback_sb_inodes+0x450/0x1b00 [ 95.639868][ T13] __writeback_single_inode+0x136/0x1220 [ 95.642270][ T13] ? do_raw_spin_unlock+0x4d/0x200 [ 95.644458][ T13] writeback_sb_inodes+0x9de/0x1b00 [ 95.646604][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 95.648845][ T13] ? __pfx_down_read_trylock+0x10/0x10 [ 95.651030][ T13] ? __pfx___up_read+0x10/0x10 [ 95.652960][ T13] __writeback_inodes_wb+0x114/0x240 [ 95.655163][ T13] wb_writeback+0x42f/0xad0 [ 95.657263][ T13] ? queue_io+0x2a1/0x470 [ 95.659206][ T13] ? __pfx_wb_writeback+0x10/0x10 [ 95.661468][ T13] ? do_raw_spin_lock+0x12b/0x2f0 [ 95.663641][ T13] wb_workfn+0x980/0x10f0 [ 95.665552][ T13] ? __pfx_wb_workfn+0x10/0x10 [ 95.667706][ T13] ? rcu_is_watching+0x16/0xb0 [ 95.669843][ T13] ? trace_hrtimer_start+0x82/0x200 [ 95.672145][ T13] ? do_raw_spin_lock+0x12b/0x2f0 [ 95.674421][ T13] ? lock_acquire+0x115/0x350 [ 95.676542][ T13] ? rcu_is_watching+0x16/0xb0 [ 95.678689][ T13] ? process_scheduled_works+0x97a/0x1630 [ 95.681165][ T13] process_scheduled_works+0xc3d/0x1630 [ 95.683458][ T13] ? __pfx_process_scheduled_works+0x10/0x10 [ 95.686148][ T13] ? assign_work+0x3cf/0x5d0 [ 95.688176][ T13] worker_thread+0xa47/0xfb0 [ 95.690243][ T13] kthread+0x38b/0x480 [ 95.692057][ T13] ? __pfx_worker_thread+0x10/0x10 [ 95.694293][ T13] ? __pfx_kthread+0x10/0x10 [ 95.696328][ T13] ret_from_fork+0x514/0xb70 [ 95.698375][ T13] ? __pfx_ret_from_fork+0x10/0x10 [ 95.700413][ T13] ? __switch_to+0xc89/0x1420 [ 95.702274][ T13] ? __pfx_kthread+0x10/0x10 [ 95.704321][ T13] ret_from_fork_asm+0x1a/0x30 [ 95.706486][ T13] [ 95.707881][ T13] Modules linked in: [ 95.710253][ T13] ---[ end trace 0000000000000000 ]--- [ 95.712850][ T13] RIP: 0010:ext4_mb_use_inode_pa+0x6bf/0x720 [ 95.712879][ T13] Code: e8 a6 00 a2 ff 48 ba 00 00 00 00 00 fc ff df e9 d7 fa ff ff e8 02 99 30 ff 90 0f 0b e8 fa 98 30 ff 90 0f 0b e8 f2 98 30 ff 90 <0f> 0b e8 ea 98 30 ff 90 0f 0b 48 8b 0c 24 48 83 c1 54 80 e1 07 80 [ 95.712900][ T13] RSP: 0018:ffffc9000026e540 EFLAGS: 00010293 [ 95.712943][ T13] RAX: ffffffff8297333e RBX: 00000000ffffffec RCX: ffff88801b770000 [ 95.712970][ T13] RDX: 0000000000000000 RSI: 0000000000000034 RDI: 0000000000000020 [ 95.712996][ T13] RBP: 1ffff110086deb63 R08: ffff8880436fa07b R09: 1ffff110086df40f [ 95.713025][ T13] R10: dffffc0000000000 R11: ffffed10086df410 R12: 0000000000000000 [ 95.713051][ T13] R13: 0000000000000034 R14: 1ffff110086df412 R15: ffff8880436fa090 [ 95.713078][ T13] FS: 0000000000000000(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000 [ 95.713106][ T13] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.713132][ T13] CR2: 00007f6f2c807c00 CR3: 0000000012a05000 CR4: 0000000000352ef0 [ 95.713195][ T13] Kernel panic - not syncing: Fatal exception [ 95.755273][ T13] Kernel Offset: disabled [ 95.757097][ T13] Rebooting in 86400 seconds..