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, &(0x7f0000000b00)=[{{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000001040)="3c56a9", 0x3}, {&(0x7f0000000300)="0bff798d317c6279566eb3fe6d5ca0fb3dbda92e2df911f99759283853210837697ac1df523f3b6fadd6bc77fb12af1ba8e10bf86ed0912a617ac6caf39fa5dd39db0c4725f676f33fc42e121f576ebcd0602bcbfa673f1f90ca729d102f9dcf74076a702c13ab9c591d9a0b0f1c6baedeace4f557ce3128dd0274b525723128beb31bddb083fe352ed3a2e04ded2d228be465ebabf25f02dd7cbf4431e4b5f816453d7e46fccbbb7f557b75f992d959ea3e1e489ff885dad8748bfe4d06f47732d26fc6e49595b14c08d8bce13ecf308cac74c50bd1818c00bb1cbd66a731c5869872b362241d51", 0xe8}], 0x2}}, {{&(0x7f0000000080)={0xa, 0x4e22, 0x101, @mcast1, 0x9}, 0x1c, &(0x7f0000000400)=[{&(0x7f0000000540)="f22d89a4620829448353ea55674a36e2cd108a2ddf73f842db87465e3d757bb6c6f9a936e8a2475930d3801abc05f83ab91baacf1b57952a436de3da49e0c9dd47a4d1f5c8719faed1376033d7fd4cfc1b7d7bc23093684129071d64dea992d59a0854a62e4688e126c8bb4b1b865f6530ed8b3f26e5947b9c96079949b57678155355938c20eb575337788cbdbc7a758b6bcd90bd90f8df4d40d89548374d9b714216f7ddb147db06e363d7475e16956d393ca10f3f9fcb4936848980bc8d37bcf8cee6a015b3e1c69b98f1864aaf6ed63c25ca2d141989449504dba1ee15ab034409b369add881241022", 0xeb}, {&(0x7f0000000100)}, {&(0x7f0000000180)="14a2e43554dade041a40de180d31665dae22a48e05e7b18c", 0x18}, {&(0x7f0000000640)="a872541d173165a4d2695bc4835f6335f16a5c68a6e8cd7096655dfcad328be0b4b6257ae5f98d090f20937d6cf2614d6b1b2630d2fd9550d60658907c4f9886b51674e7c553a34b82f9ee012828a514324459edf7593b24f05e8c7a3bc160459d32ca9a0c048216868086c350d39e77c216980f81d8ce973795b525a5fd11cd643c541b554e2e62dbb217614a92fca69fdc14e9315ccbf85bb7f838ffdd0b4a335866eb6be54a816709c4f3786000fde2577b82444ce52196660ed0", 0xbc}, {&(0x7f00000001c0)="f93fa52fbe5f7babe9c35098b116f46f3ad1d338dd9161218ab6d907788c2211c420d2d3caa31a8a4731afaaa33da3659dc027fdf61e0252c1", 0x39}], 0x5}}, {{0x0, 0x0, &(0x7f0000000a40)=[{&(0x7f0000000700)="dd3bdd51831b80f258128e2e2c814023f98a7b4ed79624ee42a5a59b445089f90017811e84a6510767afae8e9dc252b7bcd2ca88a32e29b8e30166154ff70554ac3d7154127d0d5e682726fd82871b97e9a0680182209ebb19e89193b53b6ab9cddab697d1ee5a7dbb50", 0x6a}, {&(0x7f0000000780)="a8e9eeccbff99389d85aae2e199bbf2744f6d37a60e899abc5d4a3ecd82f67ac1efb8bc3f9223f1d42e9f3", 0x2b}, {&(0x7f00000007c0)="f3", 0x1}, {&(0x7f0000000800)="c8f0ebeabb33ab1b8341bcab6fd08b0c062ae2aa66fbc182aeb51d4412b50f370aafa8ece98e812cf74c48c3485ef1de1baeb854b964b859fb6d6d450dba1268f9798bb186a07aadfcd6bc6a2f5ba36100cca096963e660f896a9ed01eac7621a71e546118facaf44228f88760736e0ced83668072555ebd", 0x78}, {&(0x7f0000000880)="15d237", 0x3}, {&(0x7f00000008c0)="fc7bae8c7022c38f0a07beb93d2985ddd4df1c9b5f63bf5f38cd0c5cb14150589f6d5f30a760d79b0c0118987af4ca6fb070c0d1b8476f78bbd0cd0fcbf21d80f5e54e9a8d62d454e193ce8a21bf4a8a4c4b46a9f81e5976a4eb2250bf7c7ff0465d3c482b0f8e712215dfef6372c6f0c17b88103fc0f819fdd9d089a2d10f59183e34e3a063e01bbe603a0575d712f94eb33bbe59ab6e311c503e843e67c3a1bc5087a877c925be02d173934117eaea2111f37ee63520080b357a2013574d9613e6b832c4afebb26158d92b573b7971bd6c0311869e5c04775801b6157c3ac80e9d94bed037a6b4b829fe4cc9", 0xed}, {&(0x7f0000001600)="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", 0x400}], 0x7, &(0x7f0000000ac0)=[@flowinfo={{0x14, 0x29, 0xb, 0x3}}, @rthdrdstopts={{0x18, 0x29, 0x37, {0x8}}}], 0x30}}], 0x3, 0x0) 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) [ 110.863985][ T5307] Bluetooth: hci0: command tx timeout [ 111.132600][ C0] hrtimer: interrupt took 62797 ns [ 111.238597][ T5331] loop0: detected capacity change from 0 to 1024 [ 111.301113][ T5331] ======================================================= [ 111.301113][ T5331] WARNING: The mand mount option has been deprecated and [ 111.301113][ T5331] and is ignored by this kernel. Remove the mand [ 111.301113][ T5331] option from the mount to silence this warning. [ 111.301113][ T5331] ======================================================= [ 111.364981][ T5331] EXT4-fs: Ignoring removed oldalloc option [ 111.369806][ T5331] EXT4-fs: Ignoring removed orlov option [ 111.401382][ T5331] EXT4-fs (loop0): stripe (2) is not aligned with cluster size (16), stripe is disabled [ 111.536926][ T5331] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 111.736898][ T5331] EXT4-fs error (device loop0): ext4_ext_split:1079: inode #15: comm syz.0.0: p_ext > EXT_MAX_EXTENT! [ 111.754194][ T5331] EXT4-fs error (device loop0): mb_free_blocks:2047: group 0, inode 15: block 369:freeing already freed block (bit 23); block bitmap corrupt. [ 111.807121][ T100] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:5037: inode #15: block 63: len 2: ext4_ext_map_blocks returned -28 [ 111.816677][ T52] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 28 [ 111.822051][ T52] EXT4-fs (loop0): This should not happen!! Data will be lost [ 111.822051][ T52] [ 111.828709][ T5331] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 112 with max blocks 1 with error 117 [ 111.860534][ T100] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -28) [ 111.869105][ T52] EXT4-fs (loop0): Total free blocks count 0 [ 111.880830][ T52] EXT4-fs (loop0): Free/Dirty block details [ 111.888088][ T5331] EXT4-fs (loop0): This should not happen!! Data will be lost [ 111.888088][ T5331] [ 111.898995][ T100] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:5037: inode #15: block 96: len 1: ext4_ext_map_blocks returned -28 [ 111.908783][ T52] EXT4-fs (loop0): free_blocks=32 [ 111.922765][ T52] EXT4-fs (loop0): dirty_blocks=0 [ 111.940282][ T52] ------------[ cut here ]------------ [ 111.944075][ T52] kernel BUG at fs/ext4/mballoc.c:4656! [ 111.948508][ T52] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 111.951657][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u4:4 Not tainted syzkaller #0 PREEMPT(full) [ 111.956580][ T52] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 111.961573][ T52] Workqueue: writeback wb_workfn (flush-7:0) [ 111.965135][ T52] RIP: 0010:ext4_mb_normalize_request+0x1cc9/0x1d00 [ 111.968349][ T52] Code: 3c a5 ff 48 8b 44 24 38 48 8b 38 48 c7 c6 80 39 e4 8b 48 c7 c2 00 52 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 [ 111.977780][ T52] RSP: 0018:ffffc90000afe520 EFLAGS: 00010246 [ 111.980852][ T52] RAX: e87adf7805d60b00 RBX: 0000000000020000 RCX: ffff88801aa524c0 [ 111.985072][ T52] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 111.989124][ T52] RBP: 0000000000000000 R08: ffff88801280eaa7 R09: 1ffff11002501d54 [ 111.992857][ T52] R10: dffffc0000000000 R11: ffffed1002501d55 R12: ffffffff00020800 [ 111.997183][ T52] R13: dffffc0000000000 R14: 0000000000020000 R15: 0000000000020000 [ 112.001035][ T52] FS: 0000000000000000(0000) GS:ffff88808ca55000(0000) knlGS:0000000000000000 [ 112.005355][ T52] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.008968][ T52] CR2: 00007f53d8be60b0 CR3: 00000000123d3000 CR4: 0000000000352ef0 [ 112.013110][ T52] Call Trace: [ 112.014842][ T52] [ 112.016280][ T52] ext4_mb_new_blocks+0xc7f/0x4780 [ 112.019228][ T52] ? trace_ext4_get_implied_cluster_alloc_exit+0x83/0x230 [ 112.022861][ T52] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 112.025549][ T52] ? ext4_ext_check_overlap+0x413/0x580 [ 112.028165][ T52] ? ext4_ext_find_goal+0xf0/0x1e0 [ 112.030856][ T52] ext4_ext_map_blocks+0x150a/0x58b0 [ 112.033616][ T52] ? ret_from_fork_asm+0x1a/0x30 [ 112.035836][ T52] ? ret_from_fork_asm+0x1a/0x30 [ 112.038000][ T52] ? __lock_acquire+0x6b5/0x2cf0 [ 112.040199][ T52] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 112.042504][ T52] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 112.045106][ T52] ? kasan_save_track+0x4f/0x80 [ 112.047540][ T52] ? kasan_save_track+0x3e/0x80 [ 112.050160][ T52] ? __kasan_slab_alloc+0x6c/0x80 [ 112.052731][ T52] ? kmem_cache_alloc_noprof+0x2bc/0x650 [ 112.055745][ T52] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 112.059076][ T52] ? ext4_do_writepages+0x11c3/0x46e0 [ 112.063001][ T52] ? ext4_writepages+0x241/0x3b0 [ 112.065900][ T52] ? do_writepages+0x32e/0x550 [ 112.068505][ T52] ? __writeback_single_inode+0x133/0x11a0 [ 112.071287][ T52] ext4_map_create_blocks+0x11d/0x540 [ 112.073760][ T52] ext4_map_blocks+0x7cd/0x11d0 [ 112.076282][ T52] ? __pfx_ext4_map_blocks+0x10/0x10 [ 112.078913][ T52] ? ext4_inode_journal_mode+0x193/0x470 [ 112.081535][ T52] ext4_do_writepages+0x22c0/0x46e0 [ 112.084231][ T52] ? __pfx_ext4_do_writepages+0x10/0x10 [ 112.086536][ T52] ? __lock_acquire+0x6b5/0x2cf0 [ 112.088683][ T52] ? filemap_get_folios_tag+0x558/0x660 [ 112.090985][ T52] ? filemap_get_folios_tag+0x10a/0x660 [ 112.093399][ T52] ? __pfx_filemap_get_folios_tag+0x10/0x10 [ 112.096730][ T52] ext4_writepages+0x241/0x3b0 [ 112.099701][ T52] ? __pfx_ext4_writepages+0x10/0x10 [ 112.102528][ T52] ? __pfx_ext4_writepages+0x10/0x10 [ 112.105051][ T52] do_writepages+0x32e/0x550 [ 112.107731][ T52] ? reacquire_held_locks+0x104/0x190 [ 112.111630][ T52] ? writeback_sb_inodes+0x477/0x1a20 [ 112.114674][ T52] __writeback_single_inode+0x133/0x11a0 [ 112.117588][ T52] ? do_raw_spin_unlock+0x4d/0x210 [ 112.120093][ T52] writeback_sb_inodes+0x992/0x1a20 [ 112.123253][ T52] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 112.127631][ T52] ? __queue_work+0xc76/0x1020 [ 112.130975][ T52] ? __pfx_down_read_trylock+0x10/0x10 [ 112.135224][ T52] ? __pfx___up_read+0x10/0x10 [ 112.138081][ T52] __writeback_inodes_wb+0x111/0x240 [ 112.140602][ T52] wb_writeback+0x46a/0xb70 [ 112.142645][ T52] ? queue_io+0x1d1/0x4a0 [ 112.144866][ T52] ? __pfx_wb_writeback+0x10/0x10 [ 112.147698][ T52] ? do_raw_spin_lock+0x12b/0x2f0 [ 112.150737][ T52] wb_workfn+0x95b/0xf50 [ 112.152772][ T52] ? __pfx_wb_workfn+0x10/0x10 [ 112.155691][ T52] ? __perf_event_task_sched_in+0xf2/0x1800 [ 112.159923][ T52] ? do_raw_spin_lock+0x12b/0x2f0 [ 112.163024][ T52] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 112.165879][ T52] ? process_scheduled_works+0xa8d/0x18c0 [ 112.168529][ T52] ? process_scheduled_works+0xa8d/0x18c0 [ 112.171125][ T52] process_scheduled_works+0xb6e/0x18c0 [ 112.173661][ T52] ? __pfx_process_scheduled_works+0x10/0x10 [ 112.176564][ T52] ? assign_work+0x3d5/0x5e0 [ 112.178609][ T52] worker_thread+0xa53/0xfc0 [ 112.180700][ T52] kthread+0x388/0x470 [ 112.182543][ T52] ? __pfx_worker_thread+0x10/0x10 [ 112.185210][ T52] ? __pfx_kthread+0x10/0x10 [ 112.187490][ T52] ret_from_fork+0x51e/0xb90 [ 112.189918][ T52] ? __pfx_ret_from_fork+0x10/0x10 [ 112.192496][ T52] ? __switch_to+0xc7d/0x1450 [ 112.194936][ T52] ? __pfx_kthread+0x10/0x10 [ 112.197318][ T52] ret_from_fork_asm+0x1a/0x30 [ 112.199773][ T52] [ 112.201385][ T52] Modules linked in: [ 112.204310][ T52] ---[ end trace 0000000000000000 ]--- [ 112.217453][ T52] RIP: 0010:ext4_mb_normalize_request+0x1cc9/0x1d00 [ 112.221801][ T52] Code: 3c a5 ff 48 8b 44 24 38 48 8b 38 48 c7 c6 80 39 e4 8b 48 c7 c2 00 52 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 [ 112.233759][ T52] RSP: 0018:ffffc90000afe520 EFLAGS: 00010246 [ 112.239706][ T52] RAX: e87adf7805d60b00 RBX: 0000000000020000 RCX: ffff88801aa524c0 [ 112.246155][ T52] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 112.250282][ T52] RBP: 0000000000000000 R08: ffff88801280eaa7 R09: 1ffff11002501d54 [ 112.255120][ T52] R10: dffffc0000000000 R11: ffffed1002501d55 R12: ffffffff00020800 [ 112.259471][ T52] R13: dffffc0000000000 R14: 0000000000020000 R15: 0000000000020000 [ 112.270342][ T52] FS: 0000000000000000(0000) GS:ffff88808ca55000(0000) knlGS:0000000000000000 [ 112.277894][ T52] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.283395][ T52] CR2: 00007f53d8be60b0 CR3: 0000000012666000 CR4: 0000000000352ef0 [ 112.288649][ T52] Kernel panic - not syncing: Fatal exception [ 112.292337][ T52] Kernel Offset: disabled [ 112.295784][ T52] Rebooting in 86400 seconds..