program: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x0, 0x3032, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)=@base={0x2, 0x4, 0x6, 0x504}, 0x48) bpf$MAP_LOOKUP_BATCH(0x18, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000000), 0x0, 0xa7c, r0}, 0x38) r1 = open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) fallocate(r1, 0x11, 0xfff, 0x8800000) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) r2 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r3 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) futex(0x0, 0xb, 0x4, 0x0, &(0x7f0000000500), 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) sendfile(r2, r2, 0x0, 0x800000009) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$eJzs3d9rW1UcAPDvTdv91nUwhopIYQ9O5tK19ccEH+aj6HCg7zO0d2U0WUaTjrUO3B7ciy8yBBEH4ru++zj8B/wrBjoYMoo++BK56U2XrUmbddnSmc8Hbjkn9ybnfnPv9/TcnBsSwNCayP4UIl6OiG+SiIMRkeTrRiNfObG23er9q7PZkkSj8elfSXO7rN56rdbz9ueVlyLit68ijhc2tltbXlkolcvpYl6frFcuTdaWV05cqJTm0/n04vTMzKm3Z6bfe/edvsX6xtl/vv/k9oenvj66+t0vdw/dTOJ0HMjXtcfxBK61VyZiIn9PxuL0IxtO9aGxnSQZ9A6wLSN5no9F1gccjJE864H/vy8jogEMqUT+w5BqjQNa1/Z9ug5+btz7YO0CaGP8o2ufjcSe5rXRvtXkoSuj7Hp3vA/tZ238+uetm9kS/fscAmBL165HxMnR0Y39X5L3f9t3sodtHm1D/wfPzu1s/PNmp/FPYX38Ex3GP/s75O52bJ3/hbt9aKarbPz3fsfx7/qk1fhIXnuhOeYbS85fKKdZ3/ZiRByLsd1ZfbP5nFOrdxrd1rWP/7Ila781Fsz34+7o7oefM1eql54k5nb3rke80nH8m6wf/6TD8c/ej7M9tnEkvfVat3Vbx/90NX6KeL3j8X8wo5VsPj852TwfJltnxUZ/3zjye7f2Bx1/dvz3bR7/eNI+X1t7/DZ+3PNv2m3dQ/FH7+f/ruSzZnlX/tiVUr2+OBWxK/l44+PTD57bqre2z+I/dnTz/q/T+b83Ij7vMf4bh39+taf4B3T85x7r+D9+4c5HX/zQrf3e+r+3mqVj+SO99H+97uCTvHcAAAAAAACw0xQi4kAkheJ6uVAoFtfu7zgc+wrlaq1+/Hx16eJcNL8rOx5jhdZM98G2+yGm8vthW/XpR+ozEXEoIr4d2dusF2er5blBBw8AAAAAAAAAAAAAAAAAAAA7xP4u3//P/DEy6L0Dnjo/+Q3Da8v878cvPQE7kv//MLzkPwwv+Q/DS/7D8JL/MLzkPwwv+Q/DS/4DAAAAAAAAAAAAAAAAAAAAAAAAAABAX509cyZbGqv3r85m9bnLy0sL1csn5tLaQrGyNFucrS5eKs5Xq/PltDhbrWz1euVq9dLUdCxdmayntfpkbXnlXKW6dLF+7kKlNJ+eS8eeSVQAAAAAAAAAAAAAAAAAAADwfKktryyUyuV0UUFhW4XRnbEbCn0uDLpnAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAH/gsAAP//6AY3sQ==") (async) mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x0, 0x3032, 0xffffffffffffffff, 0x0) (async) bpf$MAP_CREATE(0x0, &(0x7f0000000080)=@base={0x2, 0x4, 0x6, 0x504}, 0x48) (async) bpf$MAP_LOOKUP_BATCH(0x18, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000000), 0x0, 0xa7c, r0}, 0x38) (async) open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) (async) fallocate(r1, 0x11, 0xfff, 0x8800000) (async) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) (async) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) (async) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) (async) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) (async) futex(0x0, 0xb, 0x4, 0x0, &(0x7f0000000500), 0x0) (async) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) (async) ioctl$MON_IOCX_MFETCH(r3, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) sendfile(r2, r2, 0x0, 0x800000009) (async) [ 68.140182][ T5297] Bluetooth: hci0: command tx timeout [ 68.210703][ T5316] loop0: detected capacity change from 0 to 1024 [ 68.235705][ T5316] ======================================================= [ 68.235705][ T5316] WARNING: The mand mount option has been deprecated and [ 68.235705][ T5316] and is ignored by this kernel. Remove the mand [ 68.235705][ T5316] option from the mount to silence this warning. [ 68.235705][ T5316] ======================================================= [ 68.332211][ T5316] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 68.367700][ T5316] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4193: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 68.397813][ T25] audit: type=1800 audit(1760575998.458:2): pid=5316 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 [ 68.420516][ T25] audit: type=1800 audit(1760575998.458:3): pid=5316 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 [ 68.438175][ T25] audit: type=1804 audit(1760575998.478:4): pid=5316 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz.0.0" name="/newroot/0/file1/file1" dev="loop0" ino=15 res=1 errno=0 [ 68.474189][ T5317] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4193: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 68.486189][ T25] audit: type=1804 audit(1760575998.548:5): pid=5317 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz.0.0" name="/newroot/0/file1/file1" dev="loop0" ino=15 res=1 errno=0 [ 68.496293][ T5321] ------------[ cut here ]------------ [ 68.498935][ T5321] kernel BUG at fs/ext4/mballoc.c:4765! [ 68.501769][ T5321] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 68.504503][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 68.508327][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.512652][ T5321] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 68.515083][ T5321] Code: e8 b4 ec a9 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 f0 b2 42 ff 90 0f 0b e8 e8 b2 42 ff 90 0f 0b e8 e0 b2 42 ff 90 <0f> 0b e8 d8 b2 42 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 68.522527][ T5321] RSP: 0018:ffffc9000fd173e8 EFLAGS: 00010293 [ 68.524928][ T5321] RAX: ffffffff827da0b0 RBX: 00000000ffffffff RCX: ffff8880003e0000 [ 68.528208][ T5321] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 68.531583][ T5321] RBP: 1ffff1100857a946 R08: ffff888042bd541b R09: 1ffff1100857aa83 [ 68.534994][ T5321] R10: dffffc0000000000 R11: ffffed100857aa84 R12: 0000000000000004 [ 68.538405][ T5321] R13: 0000000000000002 R14: 1ffff1100857aa86 R15: ffff888042bd5430 [ 68.541826][ T5321] FS: 00007f02e027e6c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000 [ 68.545521][ T5321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.548339][ T5321] CR2: 00007f02e025dd58 CR3: 0000000011e7c000 CR4: 0000000000352ef0 [ 68.551628][ T5321] Call Trace: [ 68.553077][ T5321] [ 68.554445][ T5321] ext4_mb_use_preallocated+0x660/0x13f0 [ 68.556819][ T5321] ext4_mb_new_blocks+0x5b4/0x4720 [ 68.559077][ T5321] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 68.561581][ T5321] ? __kmalloc_noprof+0x432/0x7f0 [ 68.563740][ T5321] ? ext4_find_extent+0x207/0xcc0 [ 68.565965][ T5321] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 68.568422][ T5321] ? ext4_ext_check_overlap+0x32e/0x580 [ 68.570803][ T5321] ? ext4_ext_find_goal+0xf0/0x1e0 [ 68.572975][ T5321] ext4_ext_map_blocks+0x161a/0x6ac0 [ 68.575134][ T5321] ? __lock_acquire+0xab9/0xd20 [ 68.577132][ T5321] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 68.579667][ T5321] ? ext4_es_lookup_extent+0x622/0xa70 [ 68.581914][ T5321] ext4_map_blocks+0x860/0x1740 [ 68.583957][ T5321] ? __pfx_ext4_map_blocks+0x10/0x10 [ 68.586319][ T5321] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 68.588821][ T5321] ext4_alloc_file_blocks+0x42c/0xdb0 [ 68.591136][ T5321] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 68.593678][ T5321] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 68.596014][ T5321] ext4_zero_range+0x39c/0xb90 [ 68.598072][ T5321] ext4_fallocate+0x334/0x3d0 [ 68.600126][ T5321] vfs_fallocate+0x669/0x7e0 [ 68.602111][ T5321] ? __fget_files+0x2a/0x420 [ 68.604102][ T5321] ? __pfx_vfs_fallocate+0x10/0x10 [ 68.606212][ T5321] ? __fget_files+0x3a0/0x420 [ 68.608289][ T5321] ? __fget_files+0x2a/0x420 [ 68.610683][ T5321] __x64_sys_fallocate+0xc0/0x110 [ 68.613392][ T5321] do_syscall_64+0xfa/0xfa0 [ 68.616026][ T5321] ? lockdep_hardirqs_on+0x9c/0x150 [ 68.618984][ T5321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.622285][ T5321] ? clear_bhb_loop+0x60/0xb0 [ 68.624745][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.627692][ T5321] RIP: 0033:0x7f02df38eec9 [ 68.630032][ T5321] 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 [ 68.638035][ T5321] RSP: 002b:00007f02e027e038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 68.641545][ T5321] RAX: ffffffffffffffda RBX: 00007f02df5e6180 RCX: 00007f02df38eec9 [ 68.644829][ T5321] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000005 [ 68.648081][ T5321] RBP: 00007f02df411f91 R08: 0000000000000000 R09: 0000000000000000 [ 68.651423][ T5321] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 68.654845][ T5321] R13: 00007f02df5e6218 R14: 00007f02df5e6180 R15: 00007ffc81a840c8 [ 68.658171][ T5321] [ 68.659463][ T5321] Modules linked in: [ 68.661495][ T5321] ---[ end trace 0000000000000000 ]--- [ 68.663854][ T5321] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 68.666528][ T5321] Code: e8 b4 ec a9 ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 f0 b2 42 ff 90 0f 0b e8 e8 b2 42 ff 90 0f 0b e8 e0 b2 42 ff 90 <0f> 0b e8 d8 b2 42 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 68.673794][ T5321] RSP: 0018:ffffc9000fd173e8 EFLAGS: 00010293 [ 68.676034][ T5321] RAX: ffffffff827da0b0 RBX: 00000000ffffffff RCX: ffff8880003e0000 [ 68.679069][ T5321] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 68.682497][ T5321] RBP: 1ffff1100857a946 R08: ffff888042bd541b R09: 1ffff1100857aa83 [ 68.685777][ T5321] R10: dffffc0000000000 R11: ffffed100857aa84 R12: 0000000000000004 [ 68.689261][ T5321] R13: 0000000000000002 R14: 1ffff1100857aa86 R15: ffff888042bd5430 [ 68.692775][ T5321] FS: 00007f02e027e6c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000 [ 68.696514][ T5321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.699507][ T5321] CR2: 00007f02e025dd58 CR3: 0000000011e7c000 CR4: 0000000000352ef0 [ 68.702968][ T5321] Kernel panic - not syncing: Fatal exception [ 68.705838][ T5321] Kernel Offset: disabled [ 68.707696][ T5321] Rebooting in 86400 seconds..