program: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x30000c6, &(0x7f0000000080), 0x1, 0x553, &(0x7f0000001080)="$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") r0 = open(&(0x7f0000000200)='./file1\x00', 0x4401, 0xb5) fallocate(r0, 0x11, 0xfff, 0x8800000) truncate(&(0x7f0000000900)='./file1\x00', 0xbf39) r1 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x44) openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file2\x00', 0x84a42, 0x99) r2 = syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000200), 0x200000079, 0x0) ioctl$MON_IOCX_MFETCH(r2, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r4, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x28}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000), 0x8502, 0x0) write$sndseq(r6, &(0x7f0000001380)=[{0x6, 0x0, 0x0, 0x0, @tick, {}, {}, @connect}, {0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @result}, {0x0, 0x0, 0x0, 0x0, @time, {}, {}, @control}, {0x0, 0x0, 0x0, 0x0, @time, {}, {}, @connect}], 0x70) sendmsg$nl_route_sched(r3, &(0x7f0000001400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newqdisc={0x40, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8}}]}, 0x40}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000003c0)=@newqdisc={0x38, 0x24, 0x1, 0x2, 0x8000, {0x0, 0x0, 0x0, r5, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8, 0x8}, {0x4}}, @TCA_INGRESS_BLOCK={0x8, 0xd, 0x81}]}, 0x38}}, 0x0) mlock(&(0x7f0000ffd000/0x1000)=nil, 0x1000) 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) 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$MON_IOCX_MFETCH(r2, 0xc0109207, &(0x7f00000002c0)={0x0, 0x0, 0x2}) (async) socket$netlink(0x10, 0x3, 0x0) (async) socket(0x10, 0x3, 0x0) (async) sendmsg$nl_route_sched(r4, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x28}}, 0x0) (async) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) (async) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000), 0x8502, 0x0) (async) write$sndseq(r6, &(0x7f0000001380)=[{0x6, 0x0, 0x0, 0x0, @tick, {}, {}, @connect}, {0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @result}, {0x0, 0x0, 0x0, 0x0, @time, {}, {}, @control}, {0x0, 0x0, 0x0, 0x0, @time, {}, {}, @connect}], 0x70) (async) sendmsg$nl_route_sched(r3, &(0x7f0000001400)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newqdisc={0x40, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_pfifo_head_drop={{0x14}, {0x8}}]}, 0x40}}, 0x0) (async) sendmsg$nl_route_sched(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000003c0)=@newqdisc={0x38, 0x24, 0x1, 0x2, 0x8000, {0x0, 0x0, 0x0, r5, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8, 0x8}, {0x4}}, @TCA_INGRESS_BLOCK={0x8, 0xd, 0x81}]}, 0x38}}, 0x0) (async) mlock(&(0x7f0000ffd000/0x1000)=nil, 0x1000) (async) sendfile(r1, r1, 0x0, 0x800000009) (async) [ 75.135614][ T45] Bluetooth: hci0: command tx timeout [ 75.208455][ T5353] loop0: detected capacity change from 0 to 1024 [ 75.228912][ T5353] ======================================================= [ 75.228912][ T5353] WARNING: The mand mount option has been deprecated and [ 75.228912][ T5353] and is ignored by this kernel. Remove the mand [ 75.228912][ T5353] option from the mount to silence this warning. [ 75.228912][ T5353] ======================================================= [ 75.311753][ T5353] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 75.341288][ T5353] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4183: comm syz.0.0: Allocating blocks 385-513 which overlap fs metadata [ 75.358740][ T25] audit: type=1800 audit(1756371365.518:2): pid=5353 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 [ 75.374544][ T25] audit: type=1800 audit(1756371365.538:3): pid=5353 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 [ 75.403484][ T5353] dlm: Unknown command passed to DLM device : 0 [ 75.403484][ T5353] [ 75.424422][ T5353] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:4183: comm syz.0.0: Allocating blocks 1-17 which overlap fs metadata [ 75.434151][ T5360] ------------[ cut here ]------------ [ 75.437132][ T5360] kernel BUG at fs/ext4/mballoc.c:4755! [ 75.439852][ T5360] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 75.442632][ T5360] CPU: 0 UID: 0 PID: 5360 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.446506][ T5360] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.450841][ T5360] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 75.453626][ T5360] Code: e8 74 c2 aa ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 d5 45 ff 90 0f 0b e8 d8 d5 45 ff 90 0f 0b e8 d0 d5 45 ff 90 <0f> 0b e8 c8 d5 45 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 75.463674][ T5360] RSP: 0018:ffffc9000d437408 EFLAGS: 00010293 [ 75.466301][ T5360] RAX: ffffffff8279e570 RBX: 00000000ffffffff RCX: ffff88800058c880 [ 75.469556][ T5360] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 75.472955][ T5360] RBP: 1ffff11008766946 R08: ffff888043b3541b R09: 1ffff11008766a83 [ 75.476524][ T5360] R10: dffffc0000000000 R11: ffffed1008766a84 R12: 0000000000000004 [ 75.480042][ T5360] R13: 0000000000000002 R14: 1ffff11008766a86 R15: ffff888043b35430 [ 75.483383][ T5360] FS: 00007fd811b4f6c0(0000) GS:ffff88808d20f000(0000) knlGS:0000000000000000 [ 75.486904][ T5360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.489534][ T5360] CR2: 00007fd811b4efc8 CR3: 0000000042fb6000 CR4: 0000000000352ef0 [ 75.492717][ T5360] Call Trace: [ 75.494093][ T5360] [ 75.495335][ T5360] ext4_mb_use_preallocated+0x660/0x13f0 [ 75.497634][ T5360] ext4_mb_new_blocks+0x5b4/0x4720 [ 75.499891][ T5360] ? __pfx_ext4_es_cache_extent+0x10/0x10 [ 75.502085][ T5360] ? trace_kmalloc+0x1f/0xd0 [ 75.504167][ T5360] ? __kmalloc_noprof+0x29b/0x4f0 [ 75.506421][ T5360] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 75.508899][ T5360] ? ext4_ext_check_overlap+0x32e/0x580 [ 75.511309][ T5360] ? ext4_ext_find_goal+0xf0/0x1e0 [ 75.513580][ T5360] ext4_ext_map_blocks+0x161a/0x6ac0 [ 75.516107][ T5360] ? __lock_acquire+0xab9/0xd20 [ 75.518568][ T5360] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 75.521494][ T5360] ? ext4_es_lookup_extent+0x622/0xa70 [ 75.524236][ T5360] ext4_map_blocks+0x860/0x1740 [ 75.526556][ T5360] ? __pfx_ext4_map_blocks+0x10/0x10 [ 75.529165][ T5360] ? __ext4_journal_start_sb+0x27e/0x5c0 [ 75.531822][ T5360] ext4_alloc_file_blocks+0x42c/0xdb0 [ 75.534008][ T5360] ? __pfx_ext4_alloc_file_blocks+0x10/0x10 [ 75.536483][ T5360] ? __pfx_ext4_wait_dax_page+0x10/0x10 [ 75.538946][ T5360] ext4_zero_range+0x39c/0xb90 [ 75.541072][ T5360] ext4_fallocate+0x334/0x3d0 [ 75.543216][ T5360] vfs_fallocate+0x666/0x7e0 [ 75.545328][ T5360] ? __fget_files+0x2a/0x420 [ 75.547268][ T5360] ? __pfx_vfs_fallocate+0x10/0x10 [ 75.549735][ T5360] ? __fget_files+0x2a/0x420 [ 75.551843][ T5360] __x64_sys_fallocate+0xc0/0x110 [ 75.554212][ T5360] do_syscall_64+0xfa/0x3b0 [ 75.556276][ T5360] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.558652][ T5360] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.561321][ T5360] ? clear_bhb_loop+0x60/0xb0 [ 75.563491][ T5360] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.565891][ T5360] RIP: 0033:0x7fd810d8ebe9 [ 75.567912][ T5360] 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 [ 75.577754][ T5360] RSP: 002b:00007fd811b4f038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 75.581714][ T5360] RAX: ffffffffffffffda RBX: 00007fd810fb6180 RCX: 00007fd810d8ebe9 [ 75.585362][ T5360] RDX: 0000000000000fff RSI: 0000000000000011 RDI: 0000000000000004 [ 75.588806][ T5360] RBP: 00007fd810e11e19 R08: 0000000000000000 R09: 0000000000000000 [ 75.592399][ T5360] R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 [ 75.596140][ T5360] R13: 00007fd810fb6218 R14: 00007fd810fb6180 R15: 00007fffd20cd158 [ 75.599807][ T5360] [ 75.601422][ T5360] Modules linked in: [ 75.603877][ T5360] ---[ end trace 0000000000000000 ]--- [ 75.606407][ T5360] RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 [ 75.609836][ T5360] Code: e8 74 c2 aa ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 e0 d5 45 ff 90 0f 0b e8 d8 d5 45 ff 90 0f 0b e8 d0 d5 45 ff 90 <0f> 0b e8 c8 d5 45 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 [ 75.619542][ T5360] RSP: 0018:ffffc9000d437408 EFLAGS: 00010293 [ 75.622369][ T5360] RAX: ffffffff8279e570 RBX: 00000000ffffffff RCX: ffff88800058c880 [ 75.625914][ T5360] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 75.629867][ T5360] RBP: 1ffff11008766946 R08: ffff888043b3541b R09: 1ffff11008766a83 [ 75.633330][ T5360] R10: dffffc0000000000 R11: ffffed1008766a84 R12: 0000000000000004 [ 75.636692][ T5360] R13: 0000000000000002 R14: 1ffff11008766a86 R15: ffff888043b35430 [ 75.640789][ T5360] FS: 00007fd811b4f6c0(0000) GS:ffff88808d20f000(0000) knlGS:0000000000000000 [ 75.645829][ T5360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.648978][ T5360] CR2: 00007fd811b4efc8 CR3: 0000000042fb6000 CR4: 0000000000352ef0 [ 75.652435][ T5360] Kernel panic - not syncing: Fatal exception [ 75.655012][ T5360] Kernel Offset: disabled [ 75.656712][ T5360] Rebooting in 86400 seconds..