program: perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 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, 0x100000, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x5, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x446, &(0x7f0000000240)={[{@stripe={'stripe', 0x3d, 0x2}}, {@journal_dev={'journal_dev', 0x3d, 0x1045}}, {@oldalloc}, {@noauto_da_alloc}, {@minixdf}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@delalloc}, {@nojournal_checksum}, {@orlov}, {@user_xattr}, {@quota}, {@delalloc}]}, 0x1, 0x553, &(0x7f0000001080)="$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") sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000007180)=[{{0x0, 0x0, &(0x7f00000012c0)=[{&(0x7f0000001040)="3c56a9", 0x3}], 0x1}}], 0x1, 0x4800) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0) pwrite64(r0, &(0x7f0000000140)='2', 0x1, 0x8000c61) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x35) pwrite64(r1, &(0x7f0000000140)='2', 0xfdef, 0xfecc) setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f0000000500), &(0x7f0000001040)=ANY=[], 0x841, 0x0) perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0xc8, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 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_config_ext={0x5, 0x1946}, 0x0, 0x0, 0x0, 0x8, 0x7ffb, 0xfcc9, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xb) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000b00)={0x1f, 0x3, &(0x7f0000000340)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfdfffffc, 0x0, 0x0, 0x0, 0x6}}, &(0x7f0000000600)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x19}, 0x94) [ 73.528800][ T5302] Bluetooth: hci0: command tx timeout [ 73.665027][ T5323] loop0: detected capacity change from 0 to 1024 [ 73.685686][ T5323] ======================================================= [ 73.685686][ T5323] WARNING: The mand mount option has been deprecated and [ 73.685686][ T5323] and is ignored by this kernel. Remove the mand [ 73.685686][ T5323] option from the mount to silence this warning. [ 73.685686][ T5323] ======================================================= [ 73.735825][ T5323] EXT4-fs: Ignoring removed oldalloc option [ 73.782318][ T5323] EXT4-fs: Ignoring removed orlov option [ 73.816777][ T5323] EXT4-fs (loop0): stripe (2) is not aligned with cluster size (16), stripe is disabled [ 73.889782][ T5323] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 74.027699][ T5323] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 112 with max blocks 1 with error 117 [ 74.047951][ T5323] EXT4-fs (loop0): This should not happen!! Data will be lost [ 74.047951][ T5323] [ 74.074439][ T12] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:5037: inode #15: block 63: len 2: ext4_ext_map_blocks returned -117 [ 74.082983][ T13] EXT4-fs (loop0): start 0, size 131072, fe_logical 131072 [ 74.091179][ T13] ------------[ cut here ]------------ [ 74.093604][ T13] kernel BUG at fs/ext4/mballoc.c:4656! [ 74.096759][ T12] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 74.103390][ T13] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 74.106584][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u4:1 Not tainted syzkaller #0 PREEMPT(full) [ 74.110787][ T13] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 74.115196][ T13] Workqueue: writeback wb_workfn (flush-7:0) [ 74.118162][ T13] RIP: 0010:ext4_mb_normalize_request+0x1cc9/0x1d00 [ 74.121596][ T13] Code: 3c a5 ff 48 8b 44 24 38 48 8b 38 48 c7 c6 80 3a e4 8b 48 c7 c2 00 53 e4 8b 48 8b 4c 24 28 4d 89 f0 49 89 d9 e8 98 65 0a 00 90 <0f> 0b e8 b0 71 39 ff 90 0f 0b e8 a8 71 39 ff 90 0f 0b e8 a0 71 39 [ 74.129397][ T13] RSP: 0018:ffffc9000026e520 EFLAGS: 00010246 [ 74.131939][ T13] RAX: aacc470532efdc00 RBX: 0000000000020000 RCX: aacc470532efdc00 [ 74.135588][ T13] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 74.139288][ T13] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 74.142829][ T13] R10: dffffc0000000000 R11: fffffbfff1cbd61c R12: ffffffff00020800 [ 74.146676][ T13] R13: dffffc0000000000 R14: 0000000000020000 R15: 0000000000020000 [ 74.150701][ T13] FS: 0000000000000000(0000) GS:ffff88808ca55000(0000) knlGS:0000000000000000 [ 74.154951][ T13] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.157578][ T13] CR2: 00007f37bbe6bad8 CR3: 000000004119b000 CR4: 0000000000352ef0 [ 74.160859][ T13] Call Trace: [ 74.162358][ T13] [ 74.163565][ T13] ext4_mb_new_blocks+0xc7f/0x4780 [ 74.166172][ T13] ? trace_ext4_get_implied_cluster_alloc_exit+0x83/0x230 [ 74.170065][ T13] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 74.172953][ T13] ? ext4_ext_check_overlap+0x438/0x580 [ 74.175553][ T13] ? ext4_ext_find_goal+0xf0/0x1e0 [ 74.177891][ T13] ext4_ext_map_blocks+0x150a/0x58b0 [ 74.180254][ T13] ? ret_from_fork_asm+0x1a/0x30 [ 74.182662][ T13] ? ret_from_fork_asm+0x1a/0x30 [ 74.184958][ T13] ? __lock_acquire+0x6b5/0x2cf0 [ 74.187482][ T13] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 74.190129][ T13] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 74.192706][ T13] ? kasan_save_track+0x4f/0x80 [ 74.194975][ T13] ? kasan_save_track+0x3e/0x80 [ 74.197202][ T13] ? __kasan_slab_alloc+0x6c/0x80 [ 74.199443][ T13] ? kmem_cache_alloc_noprof+0x2bc/0x650 [ 74.202270][ T13] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 74.205073][ T13] ? ext4_do_writepages+0x11c3/0x46e0 [ 74.208237][ T13] ? ext4_writepages+0x241/0x3b0 [ 74.210571][ T13] ? do_writepages+0x32e/0x550 [ 74.212563][ T13] ? __writeback_single_inode+0x133/0x11a0 [ 74.214914][ T13] ext4_map_create_blocks+0x11d/0x540 [ 74.217107][ T13] ext4_map_blocks+0x7cd/0x11d0 [ 74.219106][ T13] ? __pfx_ext4_map_blocks+0x10/0x10 [ 74.221405][ T13] ? ext4_inode_journal_mode+0x193/0x470 [ 74.223760][ T13] ext4_do_writepages+0x22c0/0x46e0 [ 74.226351][ T13] ? __pfx_ext4_do_writepages+0x10/0x10 [ 74.229888][ T13] ext4_writepages+0x241/0x3b0 [ 74.232482][ T13] ? __pfx_ext4_writepages+0x10/0x10 [ 74.234951][ T13] ? __pfx_ext4_writepages+0x10/0x10 [ 74.237254][ T13] do_writepages+0x32e/0x550 [ 74.239477][ T13] ? reacquire_held_locks+0x104/0x190 [ 74.242418][ T13] ? writeback_sb_inodes+0x477/0x1a20 [ 74.245913][ T13] __writeback_single_inode+0x133/0x11a0 [ 74.249459][ T13] ? do_raw_spin_unlock+0x4d/0x210 [ 74.252192][ T13] writeback_sb_inodes+0x992/0x1a20 [ 74.254976][ T13] ? try_to_wake_up+0x7fc/0x1390 [ 74.257635][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 74.260383][ T13] ? wake_up_bit+0xfb/0x150 [ 74.263089][ T13] ? __pfx_down_read_trylock+0x10/0x10 [ 74.265747][ T13] ? __pfx___up_read+0x10/0x10 [ 74.267983][ T13] __writeback_inodes_wb+0x111/0x240 [ 74.270393][ T13] wb_writeback+0x46a/0xb70 [ 74.272331][ T13] ? queue_io+0x1d1/0x4a0 [ 74.274230][ T13] ? __pfx_wb_writeback+0x10/0x10 [ 74.276549][ T13] ? do_raw_spin_lock+0x12b/0x2f0 [ 74.278746][ T13] wb_workfn+0x95b/0xf50 [ 74.280648][ T13] ? __pfx_wb_workfn+0x10/0x10 [ 74.282858][ T13] ? __perf_event_task_sched_in+0xf2/0x1800 [ 74.285774][ T13] ? do_raw_spin_lock+0x12b/0x2f0 [ 74.287831][ T13] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 74.290084][ T13] ? process_scheduled_works+0xa8d/0x18c0 [ 74.292439][ T13] ? process_scheduled_works+0xa8d/0x18c0 [ 74.295316][ T13] process_scheduled_works+0xb6e/0x18c0 [ 74.298512][ T13] ? __pfx_process_scheduled_works+0x10/0x10 [ 74.301478][ T13] ? assign_work+0x3d5/0x5e0 [ 74.304155][ T13] worker_thread+0xa53/0xfc0 [ 74.306620][ T13] kthread+0x388/0x470 [ 74.308870][ T13] ? __pfx_worker_thread+0x10/0x10 [ 74.311701][ T13] ? __pfx_kthread+0x10/0x10 [ 74.314354][ T13] ret_from_fork+0x51e/0xb90 [ 74.317905][ T13] ? __pfx_ret_from_fork+0x10/0x10 [ 74.321409][ T13] ? __switch_to+0xc7d/0x1450 [ 74.323759][ T13] ? __pfx_kthread+0x10/0x10 [ 74.325737][ T13] ret_from_fork_asm+0x1a/0x30 [ 74.327903][ T13] [ 74.329340][ T13] Modules linked in: [ 74.331565][ T13] ---[ end trace 0000000000000000 ]--- [ 74.418059][ T13] RIP: 0010:ext4_mb_normalize_request+0x1cc9/0x1d00 [ 74.421583][ T13] Code: 3c a5 ff 48 8b 44 24 38 48 8b 38 48 c7 c6 80 3a e4 8b 48 c7 c2 00 53 e4 8b 48 8b 4c 24 28 4d 89 f0 49 89 d9 e8 98 65 0a 00 90 <0f> 0b e8 b0 71 39 ff 90 0f 0b e8 a8 71 39 ff 90 0f 0b e8 a0 71 39 [ 74.431617][ T13] RSP: 0018:ffffc9000026e520 EFLAGS: 00010246 [ 74.434494][ T13] RAX: aacc470532efdc00 RBX: 0000000000020000 RCX: aacc470532efdc00 [ 74.438073][ T13] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 74.442901][ T13] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 74.446801][ T13] R10: dffffc0000000000 R11: fffffbfff1cbd61c R12: ffffffff00020800 [ 74.451150][ T13] R13: dffffc0000000000 R14: 0000000000020000 R15: 0000000000020000 [ 74.455073][ T13] FS: 0000000000000000(0000) GS:ffff88808ca55000(0000) knlGS:0000000000000000 [ 74.460476][ T13] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.463333][ T13] CR2: 000055556a348820 CR3: 0000000037b45000 CR4: 0000000000352ef0 [ 74.466675][ T13] Kernel panic - not syncing: Fatal exception [ 74.469574][ T13] Kernel Offset: disabled [ 74.471669][ T13] Rebooting in 86400 seconds..