program: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$eJzs3d9rW1UcAPDvTdv91nUwhopIYQ9O5tK19ccEH+aj6HCg7zO0d2U0WUaTjrUO3B7ciy8yBBEH4ru++zj8B/wrBjoYMoo++BK56U2XrUmbddnSmc8Hbjkn9ybnfnPv9/TcnBsSwNCayP4UIl6OiG+SiIMRkeTrRiNfObG23er9q7PZkkSj8elfSXO7rN56rdbz9ueVlyLit68ijhc2tltbXlkolcvpYl6frFcuTdaWV05cqJTm0/n04vTMzKm3Z6bfe/edvsX6xtl/vv/k9oenvj66+t0vdw/dTOJ0HMjXtcfxBK61VyZiIn9PxuL0IxtO9aGxnSQZ9A6wLSN5no9F1gccjJE864H/vy8jogEMqUT+w5BqjQNa1/Z9ug5+btz7YO0CaGP8o2ufjcSe5rXRvtXkoSuj7Hp3vA/tZ238+uetm9kS/fscAmBL165HxMnR0Y39X5L3f9t3sodtHm1D/wfPzu1s/PNmp/FPYX38Ex3GP/s75O52bJ3/hbt9aKarbPz3fsfx7/qk1fhIXnuhOeYbS85fKKdZ3/ZiRByLsd1ZfbP5nFOrdxrd1rWP/7Ila781Fsz34+7o7oefM1eql54k5nb3rke80nH8m6wf/6TD8c/ej7M9tnEkvfVat3Vbx/90NX6KeL3j8X8wo5VsPj852TwfJltnxUZ/3zjye7f2Bx1/dvz3bR7/eNI+X1t7/DZ+3PNv2m3dQ/FH7+f/ruSzZnlX/tiVUr2+OBWxK/l44+PTD57bqre2z+I/dnTz/q/T+b83Ij7vMf4bh39+taf4B3T85x7r+D9+4c5HX/zQrf3e+r+3mqVj+SO99H+97uCTvHcAAAAAAACw0xQi4kAkheJ6uVAoFtfu7zgc+wrlaq1+/Hx16eJcNL8rOx5jhdZM98G2+yGm8vthW/XpR+ozEXEoIr4d2dusF2er5blBBw8AAAAAAAAAAAAAAAAAAAA7xP4u3//P/DEy6L0Dnjo/+Q3Da8v878cvPQE7kv//MLzkPwwv+Q/DS/7D8JL/MLzkPwwv+Q/DS/4DAAAAAAAAAAAAAAAAAAAAAAAAAABAX509cyZbGqv3r85m9bnLy0sL1csn5tLaQrGyNFucrS5eKs5Xq/PltDhbrWz1euVq9dLUdCxdmayntfpkbXnlXKW6dLF+7kKlNJ+eS8eeSVQAAAAAAAAAAAAAAAAAAADwfKktryyUyuV0UUFhW4XRnbEbCn0uDLpnAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAH/gsAAP//6AY3sQ==") r0 = open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) fallocate(r0, 0x11, 0xfff, 0x8800000) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) r1 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) r2 = socket$l2tp(0x2, 0x2, 0x73) recvfrom$l2tp(r2, &(0x7f00000000c0)=""/91, 0x5b, 0x2002, &(0x7f0000000000)={0x2, 0x0, @initdev}, 0x10) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r3 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r1, r1, 0x0, 0x800000009) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r0, 0x11, 0xfff, 0x8800000) (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) socket$l2tp(0x2, 0x2, 0x73) (async) recvfrom$l2tp(r2, &(0x7f00000000c0)=""/91, 0x5b, 0x2002, &(0x7f0000000000)={0x2, 0x0, @initdev}, 0x10) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) (async) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) (async) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) (async) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) sendfile(r1, r1, 0x0, 0x800000009) (async) [ 68.667441][ T5313] Bluetooth: hci0: command tx timeout [ 68.696336][ T5334] loop0: detected capacity change from 0 to 1024 [ 68.728595][ T5334] ======================================================= [ 68.728595][ T5334] WARNING: The mand mount option has been deprecated and [ 68.728595][ T5334] and is ignored by this kernel. Remove the mand [ 68.728595][ T5334] option from the mount to silence this warning. [ 68.728595][ T5334] ======================================================= [ 68.784775][ T5334] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 68.794851][ T5334] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4193: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 68.804081][ T25] audit: type=1800 audit(1764775855.383:2): pid=5334 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 68.866025][ T25] audit: type=1800 audit(1764775855.433:3): pid=5335 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file2" dev="loop0" ino=16 res=0 errno=0 [ 68.919577][ T5335] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4193: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 68.931389][ T5339] ------------[ cut here ]------------ [ 68.933914][ T5339] kernel BUG at fs/ext4/mballoc.c:4765! [ 68.936870][ T5339] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 68.939648][ T5339] CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 68.943475][ T5339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.948082][ T5339] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 68.950956][ T5339] Code: e8 e4 11 a9 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 60 fc 41 ff 90 0f 0b e8 58 fc 41 ff 90 0f 0b e8 50 fc 41 ff 90 <0f> 0b e8 48 fc 41 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 68.959617][ T5339] RSP: 0018:ffffc9000d5a73e8 EFLAGS: 00010293 [ 68.962319][ T5339] RAX: ffffffff827f2eb0 RBX: 00000000ffffffff RCX: ffff88801c23a4c0 [ 68.965662][ T5339] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 68.968794][ T5339] RBP: 1ffff110086b0b46 R08: ffff88804358641b R09: 1ffff110086b0c83 [ 68.972078][ T5339] R10: dffffc0000000000 R11: ffffed10086b0c84 R12: 0000000000000004 [ 68.975416][ T5339] R13: 0000000000000002 R14: 1ffff110086b0c86 R15: ffff888043586430 [ 68.978339][ T5339] FS: 00007f508de5a6c0(0000) GS:ffff88808d6b5000(0000) knlGS:0000000000000000 [ 68.981891][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.984656][ T5339] CR2: 00007f508de59fc8 CR3: 00000000433d7000 CR4: 0000000000352ef0 [ 68.988568][ T5339] Call Trace: [ 68.990085][ T5339] [ 68.991390][ T5339] ext4_mb_use_preallocated+0x660/0x13f0 [ 68.993939][ T5339] ext4_mb_new_blocks+0x5a1/0x46a0 [ 68.996127][ T5339] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 68.998527][ T5339] ? __kmalloc_noprof+0x432/0x7e0 [ 69.000719][ T5339] ? ext4_find_extent+0x207/0xcc0 [ 69.003061][ T5339] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 69.005849][ T5339] ? ext4_ext_check_overlap+0x32e/0x580 [ 69.008251][ T5339] ? ext4_ext_find_goal+0xf0/0x1e0 [ 69.010517][ T5339] ext4_ext_map_blocks+0x1883/0x6a10 [ 69.012948][ T5339] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 69.015348][ T5339] ? ext4_es_lookup_extent+0x60e/0xa30 [ 69.017610][ T5339] ext4_map_blocks+0x860/0x1740 [ 69.019615][ T5339] ? __pfx_ext4_map_blocks+0x10/0x10 [ 69.021798][ T5339] ? ext4_mark_iloc_dirty+0x6ec/0x1ca0 [ 69.024083][ T5339] ? ext4_journal_check_start+0x1c/0x2b0 [ 69.026382][ T5339] ? __ext4_journal_start_sb+0x25a/0x580 [ 69.028845][ T5339] ext4_alloc_file_blocks+0x42c/0xdb0 [ 69.031432][ T5339] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 69.034635][ T5339] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 69.037129][ T5339] ext4_zero_range+0x38c/0xb70 [ 69.039422][ T5339] ext4_fallocate+0x334/0x3d0 [ 69.041570][ T5339] vfs_fallocate+0x669/0x7e0 [ 69.043613][ T5339] ? __fget_files+0x2a/0x420 [ 69.045686][ T5339] ? __pfx_vfs_fallocate+0x10/0x10 [ 69.048119][ T5339] ? __fget_files+0x3a0/0x420 [ 69.050236][ T5339] ? __fget_files+0x2a/0x420 [ 69.052247][ T5339] __x64_sys_fallocate+0xc0/0x110 [ 69.054378][ T5339] do_syscall_64+0xfa/0xf80 [ 69.056431][ T5339] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.058925][ T5339] ? clear_bhb_loop+0x60/0xb0 [ 69.060955][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.063333][ T5339] RIP: 0033:0x7f508cf8f7c9 [ 69.065100][ T5339] 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 [ 69.072709][ T5339] RSP: 002b:00007f508de5a038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 69.077005][ T5339] RAX: ffffffffffffffda RBX: 00007f508d1e6180 RCX: 00007f508cf8f7c9 [ 69.080776][ T5339] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 69.084237][ T5339] RBP: 00007f508d013f91 R08: 0000000000000000 R09: 0000000000000000 [ 69.087385][ T5339] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 69.090712][ T5339] R13: 00007f508d1e6218 R14: 00007f508d1e6180 R15: 00007ffe1ab810e8 [ 69.094115][ T5339] [ 69.095499][ T5339] Modules linked in: [ 69.097973][ T5339] ---[ end trace 0000000000000000 ]--- [ 69.100359][ T5339] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 69.102891][ T5339] Code: e8 e4 11 a9 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 60 fc 41 ff 90 0f 0b e8 58 fc 41 ff 90 0f 0b e8 50 fc 41 ff 90 <0f> 0b e8 48 fc 41 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 69.111272][ T5339] RSP: 0018:ffffc9000d5a73e8 EFLAGS: 00010293 [ 69.113956][ T5339] RAX: ffffffff827f2eb0 RBX: 00000000ffffffff RCX: ffff88801c23a4c0 [ 69.117608][ T5339] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 69.120874][ T5339] RBP: 1ffff110086b0b46 R08: ffff88804358641b R09: 1ffff110086b0c83 [ 69.124162][ T5339] R10: dffffc0000000000 R11: ffffed10086b0c84 R12: 0000000000000004 [ 69.127649][ T5339] R13: 0000000000000002 R14: 1ffff110086b0c86 R15: ffff888043586430 [ 69.130751][ T5339] FS: 00007f508de5a6c0(0000) GS:ffff88808d6b5000(0000) knlGS:0000000000000000 [ 69.134155][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.137099][ T5339] CR2: 00007f508de59fc8 CR3: 00000000433d7000 CR4: 0000000000352ef0 [ 69.140316][ T5339] Kernel panic - not syncing: Fatal exception [ 69.143141][ T5339] Kernel Offset: disabled [ 69.145124][ T5339] Rebooting in 86400 seconds..