program: syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x446, &(0x7f0000000280)={[{@min_batch_time={'min_batch_time', 0x3d, 0x5}}, {@journal_dev={'journal_dev', 0x3d, 0x1045}}, {@oldalloc}, {@noquota}, {@data_err_ignore}, {@quota}, {@delalloc}, {@errors_continue}, {@orlov}, {@user_xattr}, {@quota}, {@mb_optimize_scan={'mb_optimize_scan', 0x3d, 0x1}}]}, 0x1, 0x553, &(0x7f0000001080)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0xb1) r1 = creat(&(0x7f0000000100)='./bus\x00', 0x188) write$cgroup_type(r1, &(0x7f0000000200), 0x175d9003) (fail_nth: 90) pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xfecc) [ 75.909110][ T4665] Bluetooth: hci0: command tx timeout [ 75.963542][ T5317] loop0: detected capacity change from 0 to 1024 [ 75.976036][ T5317] ======================================================= [ 75.976036][ T5317] WARNING: The mand mount option has been deprecated and [ 75.976036][ T5317] and is ignored by this kernel. Remove the mand [ 75.976036][ T5317] option from the mount to silence this warning. [ 75.976036][ T5317] ======================================================= [ 76.022447][ T5317] EXT4-fs: Ignoring removed oldalloc option [ 76.025131][ T5317] EXT4-fs: Ignoring removed orlov option [ 76.077300][ T5317] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 76.212645][ T5318] EXT4-fs error (device loop0): mb_free_blocks:2017: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 76.228660][ T5318] ------------[ cut here ]------------ [ 76.231149][ T5318] kernel BUG at fs/ext4/extents.c:2153! [ 76.242323][ T5318] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 76.246219][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 76.250332][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.255298][ T5318] RIP: 0010:ext4_ext_insert_extent+0x4ab7/0x4af0 [ 76.258120][ T5318] Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c a6 e7 ff ff 48 89 df e8 fc 40 b5 ff e9 99 e7 ff ff e8 02 f6 4d ff 90 0f 0b e8 fa f5 4d ff 90 <0f> 0b e8 f2 f5 4d ff 90 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c [ 76.265989][ T5318] RSP: 0018:ffffc9000d416de0 EFLAGS: 00010293 [ 76.268272][ T5318] RAX: ffffffff82721d56 RBX: 0000000000000070 RCX: ffff888000b92480 [ 76.270951][ T5318] RDX: 0000000000000000 RSI: 0000000000000070 RDI: 0000000000000070 [ 76.273614][ T5318] RBP: ffffc9000d416f90 R08: ffff888043de6007 R09: 1ffff110087bcc00 [ 76.276699][ T5318] R10: dffffc0000000000 R11: ffffed10087bcc01 R12: 0000000000000070 [ 76.280014][ T5318] R13: dffffc0000000000 R14: ffff888051e10490 R15: ffff88800b5ab600 [ 76.283615][ T5318] FS: 00007f9d431616c0(0000) GS:ffff88808d72f000(0000) knlGS:0000000000000000 [ 76.287602][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.290686][ T5318] CR2: 000020000000d000 CR3: 000000000b4c9000 CR4: 0000000000352ef0 [ 76.294735][ T5318] Call Trace: [ 76.296519][ T5318] [ 76.298220][ T5318] ? rcu_is_watching+0x15/0xb0 [ 76.301067][ T5318] ? trace_ext4_get_implied_cluster_alloc_exit+0x83/0x200 [ 76.304833][ T5318] ? __pfx_ext4_ext_insert_extent+0x10/0x10 [ 76.307761][ T5318] ext4_ext_map_blocks+0x1792/0x6ac0 [ 76.310010][ T5318] ? __lock_acquire+0xab9/0xd20 [ 76.312185][ T5318] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 76.314758][ T5318] ext4_map_blocks+0x860/0x1740 [ 76.316889][ T5318] ? __pfx_ext4_map_blocks+0x10/0x10 [ 76.319008][ T5318] ? __lock_acquire+0xab9/0xd20 [ 76.321087][ T5318] ? percpu_ref_get_many+0x19/0x140 [ 76.323274][ T5318] _ext4_get_block+0x200/0x4c0 [ 76.325209][ T5318] ? __pfx__ext4_get_block+0x10/0x10 [ 76.327196][ T5318] ext4_get_block_unwritten+0x2e/0x100 [ 76.329356][ T5318] ext4_block_write_begin+0x993/0x1710 [ 76.331413][ T5318] ? __pfx_ext4_get_block_unwritten+0x10/0x10 [ 76.334178][ T5318] ? __pfx_ext4_block_write_begin+0x10/0x10 [ 76.336833][ T5318] ? folio_mapping+0x16f/0x1f0 [ 76.338938][ T5318] ? ext4_inode_journal_mode+0x18c/0x480 [ 76.341419][ T5318] ext4_write_begin+0xc04/0x19a0 [ 76.343655][ T5318] ? __pfx_ext4_write_begin+0x10/0x10 [ 76.346089][ T5318] ext4_da_write_begin+0x445/0xda0 [ 76.348740][ T5318] ? __pfx___might_resched+0x10/0x10 [ 76.351257][ T5318] ? __pfx_ext4_da_write_begin+0x10/0x10 [ 76.353724][ T5318] generic_perform_write+0x2c5/0x900 [ 76.356030][ T5318] ? __pfx_generic_perform_write+0x10/0x10 [ 76.358595][ T5318] ? file_modified_flags+0x4bb/0x560 [ 76.360971][ T5318] ? ext4_write_checks+0x24b/0x2c0 [ 76.363269][ T5318] ext4_buffered_write_iter+0xce/0x3a0 [ 76.365874][ T5318] ext4_file_write_iter+0x298/0x1bc0 [ 76.368382][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 76.371083][ T5318] vfs_write+0x5c9/0xb30 [ 76.372981][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 76.375582][ T5318] ? __pfx_vfs_write+0x10/0x10 [ 76.377504][ T5318] ? __fget_files+0x2a/0x420 [ 76.379448][ T5318] __x64_sys_pwrite64+0x193/0x220 [ 76.381599][ T5318] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 76.384036][ T5318] ? do_syscall_64+0xbe/0xfa0 [ 76.386504][ T5318] do_syscall_64+0xfa/0xfa0 [ 76.388483][ T5318] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.390884][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.393674][ T5318] ? clear_bhb_loop+0x60/0xb0 [ 76.395853][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.398511][ T5318] RIP: 0033:0x7f9d4238f749 [ 76.400549][ T5318] 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 [ 76.408613][ T5318] RSP: 002b:00007f9d43161038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 76.412080][ T5318] RAX: ffffffffffffffda RBX: 00007f9d425e6090 RCX: 00007f9d4238f749 [ 76.415543][ T5318] RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000004 [ 76.419194][ T5318] RBP: 00007f9d42413f91 R08: 0000000000000000 R09: 0000000000000000 [ 76.422871][ T5318] R10: 000000000000fecc R11: 0000000000000246 R12: 0000000000000000 [ 76.426156][ T5318] R13: 00007f9d425e6128 R14: 00007f9d425e6090 R15: 00007ffeb91549d8 [ 76.429333][ T5318] [ 76.430427][ T5318] Modules linked in: [ 76.432526][ T5318] ---[ end trace 0000000000000000 ]--- [ 76.439737][ T1313] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.442473][ T1313] ieee802154 phy1 wpan1: encryption failed: -22 [ 76.454166][ T5317] EXT4-fs error (device loop0): ext4_ext_remove_space:3001: inode #18: comm syz.0.0: pblk 225 bad header/extent: invalid extent entries - magic f30a, entries 15, max 84(84), depth 0(0) [ 76.462839][ T5318] RIP: 0010:ext4_ext_insert_extent+0x4ab7/0x4af0 [ 76.465591][ T5318] Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c a6 e7 ff ff 48 89 df e8 fc 40 b5 ff e9 99 e7 ff ff e8 02 f6 4d ff 90 0f 0b e8 fa f5 4d ff 90 <0f> 0b e8 f2 f5 4d ff 90 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c [ 76.474770][ T5318] RSP: 0018:ffffc9000d416de0 EFLAGS: 00010293 [ 76.477730][ T5318] RAX: ffffffff82721d56 RBX: 0000000000000070 RCX: ffff888000b92480 [ 76.481515][ T5318] RDX: 0000000000000000 RSI: 0000000000000070 RDI: 0000000000000070 [ 76.485010][ T5318] RBP: ffffc9000d416f90 R08: ffff888043de6007 R09: 1ffff110087bcc00 [ 76.488883][ T5318] R10: dffffc0000000000 R11: ffffed10087bcc01 R12: 0000000000000070 [ 76.492367][ T5318] R13: dffffc0000000000 R14: ffff888051e10490 R15: ffff88800b5ab600 [ 76.495989][ T5318] FS: 00007f9d431616c0(0000) GS:ffff88808d72f000(0000) knlGS:0000000000000000 [ 76.500468][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.503338][ T5318] CR2: 000020000000d000 CR3: 000000000b4c9000 CR4: 0000000000352ef0 [ 76.506791][ T5318] Kernel panic - not syncing: Fatal exception [ 76.509766][ T5318] Kernel Offset: disabled [ 76.511592][ T5318] Rebooting in 86400 seconds..