program: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") r0 = creat(&(0x7f0000000380)='./bus\x00', 0x0) io_setup(0x202, &(0x7f0000000200)=0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) r2 = getpid() syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x1000410, &(0x7f0000000100)={[{@grpid}, {@grpquota}]}, 0x4, 0x503, &(0x7f0000000a40)="$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") sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x3) syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0, 0x0) mknodat$null(r3, &(0x7f0000000140)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x103) io_submit(r1, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030003, 0x2, 0x1, 0x0, r0, &(0x7f0000000000), 0x100000, 0x3000}]) [ 87.845205][ T4707] Bluetooth: hci0: command tx timeout [ 87.907721][ T5363] loop0: detected capacity change from 0 to 1024 [ 87.928017][ T5363] ======================================================= [ 87.928017][ T5363] WARNING: The mand mount option has been deprecated and [ 87.928017][ T5363] and is ignored by this kernel. Remove the mand [ 87.928017][ T5363] option from the mount to silence this warning. [ 87.928017][ T5363] ======================================================= [ 88.012047][ T5363] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 88.126908][ T5363] EXT4-fs error (device loop0): mb_free_blocks:2017: group 0, inode 18: block 321:freeing already freed block (bit 20); block bitmap corrupt. [ 88.146114][ T5363] ------------[ cut here ]------------ [ 88.148306][ T5363] kernel BUG at fs/ext4/extents.c:2153! [ 88.150747][ T5363] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 88.153549][ T5363] CPU: 0 UID: 0 PID: 5363 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 88.157297][ T5363] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.161764][ T5363] RIP: 0010:ext4_ext_insert_extent+0x4ab7/0x4af0 [ 88.164729][ T5363] Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c a6 e7 ff ff 48 89 df e8 cc ed b5 ff e9 99 e7 ff ff e8 f2 fc 50 ff 90 0f 0b e8 ea fc 50 ff 90 <0f> 0b e8 e2 fc 50 ff 90 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c [ 88.172941][ T5363] RSP: 0018:ffffc9000d3eeb80 EFLAGS: 00010283 [ 88.175809][ T5363] RAX: ffffffff826ed1c6 RBX: 0000000000000040 RCX: 0000000000100000 [ 88.179389][ T5363] RDX: ffffc9000de8a000 RSI: 0000000000017ca3 RDI: 0000000000017ca4 [ 88.182735][ T5363] RBP: ffffc9000d3eed30 R08: ffff8880436e91d7 R09: 1ffff110086dd23a [ 88.186183][ T5363] R10: dffffc0000000000 R11: ffffed10086dd23b R12: 0000000000000040 [ 88.189579][ T5363] R13: dffffc0000000000 R14: ffff88804c96f460 R15: ffff888052c63000 [ 88.193101][ T5363] FS: 00007fcc0e2cb6c0(0000) GS:ffff88808d00a000(0000) knlGS:0000000000000000 [ 88.196898][ T5363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.199777][ T5363] CR2: 000020000001c000 CR3: 0000000043c18000 CR4: 0000000000352ef0 [ 88.203238][ T5363] Call Trace: [ 88.204789][ T5363] [ 88.206128][ T5363] ? rcu_is_watching+0x15/0xb0 [ 88.208190][ T5363] ? trace_ext4_get_implied_cluster_alloc_exit+0x83/0x200 [ 88.211282][ T5363] ? __pfx_ext4_ext_insert_extent+0x10/0x10 [ 88.213887][ T5363] ext4_ext_map_blocks+0x1792/0x6ac0 [ 88.215888][ T5363] ? __lock_acquire+0xab9/0xd20 [ 88.217825][ T5363] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 88.220147][ T5363] ext4_map_blocks+0x860/0x1740 [ 88.222342][ T5363] ? __pfx_ext4_map_blocks+0x10/0x10 [ 88.224699][ T5363] ? __lock_acquire+0xab9/0xd20 [ 88.226956][ T5363] ? percpu_ref_get_many+0x19/0x140 [ 88.229293][ T5363] _ext4_get_block+0x200/0x4c0 [ 88.231549][ T5363] ? __pfx__ext4_get_block+0x10/0x10 [ 88.234027][ T5363] ext4_get_block_unwritten+0x2e/0x100 [ 88.236564][ T5363] ext4_block_write_begin+0x990/0x1710 [ 88.239108][ T5363] ? __pfx_ext4_get_block_unwritten+0x10/0x10 [ 88.241897][ T5363] ? __pfx_ext4_block_write_begin+0x10/0x10 [ 88.244644][ T5363] ? folio_mapping+0x16f/0x240 [ 88.246892][ T5363] ? ext4_inode_journal_mode+0x18c/0x480 [ 88.249480][ T5363] ext4_write_begin+0xc04/0x19a0 [ 88.251738][ T5363] ? __pfx_ext4_write_begin+0x10/0x10 [ 88.254145][ T5363] ? irqentry_exit+0x74/0x90 [ 88.256213][ T5363] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.258823][ T5363] ext4_da_write_begin+0x445/0xda0 [ 88.261115][ T5363] ? fault_in_readable+0xcc/0x130 [ 88.263403][ T5363] ? __pfx_ext4_da_write_begin+0x10/0x10 [ 88.265865][ T5363] generic_perform_write+0x2c5/0x900 [ 88.268193][ T5363] ? __pfx_generic_perform_write+0x10/0x10 [ 88.270809][ T5363] ? file_modified_flags+0x4bb/0x560 [ 88.273109][ T5363] ? ext4_write_checks+0x24b/0x2c0 [ 88.275282][ T5363] ext4_buffered_write_iter+0xce/0x3a0 [ 88.277661][ T5363] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 88.280166][ T5363] ext4_file_write_iter+0x298/0x1bc0 [ 88.282521][ T5363] ? __lock_acquire+0xab9/0xd20 [ 88.284725][ T5363] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 88.287165][ T5363] ? aio_write+0x4c4/0x7a0 [ 88.289246][ T5363] aio_write+0x532/0x7a0 [ 88.291133][ T5363] ? __pfx_aio_write+0x10/0x10 [ 88.293347][ T5363] ? __might_fault+0xb0/0x130 [ 88.295453][ T5363] io_submit_one+0x78b/0x1310 [ 88.297491][ T5363] ? __pfx_io_submit_one+0x10/0x10 [ 88.299676][ T5363] ? __might_fault+0xb0/0x130 [ 88.301760][ T5363] ? __might_fault+0xb0/0x130 [ 88.303896][ T5363] __se_sys_io_submit+0x185/0x2f0 [ 88.306147][ T5363] ? __pfx___se_sys_io_submit+0x10/0x10 [ 88.308582][ T5363] ? do_syscall_64+0xbe/0x3b0 [ 88.310581][ T5363] do_syscall_64+0xfa/0x3b0 [ 88.312607][ T5363] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.314898][ T5363] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.317536][ T5363] ? clear_bhb_loop+0x60/0xb0 [ 88.319703][ T5363] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.322404][ T5363] RIP: 0033:0x7fcc0d38eba9 [ 88.324364][ T5363] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 88.331716][ T5363] RSP: 002b:00007fcc0e2cb038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 88.334853][ T5363] RAX: ffffffffffffffda RBX: 00007fcc0d5d5fa0 RCX: 00007fcc0d38eba9 [ 88.337944][ T5363] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007fcc0e281000 [ 88.341195][ T5363] RBP: 00007fcc0d411e19 R08: 0000000000000000 R09: 0000000000000000 [ 88.344620][ T5363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 88.348069][ T5363] R13: 00007fcc0d5d6038 R14: 00007fcc0d5d5fa0 R15: 00007ffc80b28788 [ 88.351566][ T5363] [ 88.352910][ T5363] Modules linked in: [ 88.355141][ T5363] ---[ end trace 0000000000000000 ]--- [ 88.371748][ T5363] RIP: 0010:ext4_ext_insert_extent+0x4ab7/0x4af0 [ 88.375134][ T5363] Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c a6 e7 ff ff 48 89 df e8 cc ed b5 ff e9 99 e7 ff ff e8 f2 fc 50 ff 90 0f 0b e8 ea fc 50 ff 90 <0f> 0b e8 e2 fc 50 ff 90 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c [ 88.383784][ T5363] RSP: 0018:ffffc9000d3eeb80 EFLAGS: 00010283 [ 88.387037][ T5363] RAX: ffffffff826ed1c6 RBX: 0000000000000040 RCX: 0000000000100000 [ 88.391507][ T5363] RDX: ffffc9000de8a000 RSI: 0000000000017ca3 RDI: 0000000000017ca4 [ 88.396645][ T5363] RBP: ffffc9000d3eed30 R08: ffff8880436e91d7 R09: 1ffff110086dd23a [ 88.400229][ T5363] R10: dffffc0000000000 R11: ffffed10086dd23b R12: 0000000000000040 [ 88.404086][ T5363] R13: dffffc0000000000 R14: ffff88804c96f460 R15: ffff888052c63000 [ 88.408185][ T5363] FS: 00007fcc0e2cb6c0(0000) GS:ffff88808d00a000(0000) knlGS:0000000000000000 [ 88.412020][ T5363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.415474][ T5363] CR2: 00007ffc80b27f80 CR3: 0000000043c18000 CR4: 0000000000352ef0 [ 88.418897][ T5363] Kernel panic - not syncing: Fatal exception [ 88.421934][ T5363] Kernel Offset: disabled [ 88.423904][ T5363] Rebooting in 86400 seconds..