program: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000004300), 0x1, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_SET_TSC_KHZ_cpu(r2, 0xaea2, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x10000, &(0x7f0000000240), 0x7, 0x4da, &(0x7f0000000900)="$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") r3 = creat(&(0x7f0000000100)='./file1\x00', 0xe0) write$UHID_INPUT(r3, &(0x7f0000001680)={0x8, {"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", 0x1000}}, 0x1006) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$TIOCSETD(r4, 0x5423, &(0x7f00000000c0)=0xf) r5 = fcntl$dupfd(r4, 0x0, r4) ioctl$TCFLSH(r4, 0x400455c8, 0x1) ioctl$TIOCSETD(r5, 0x5412, &(0x7f0000000140)=0xffffffc0) ioctl$TIOCSTI(r5, 0x5412, &(0x7f0000000040)) ioctl$TIOCSTI(r5, 0x5412, &(0x7f0000000200)=0xff) ioctl$TIOCSTI(r4, 0x5412, &(0x7f0000000180)=0xa) ioctl$TIOCSTI(r4, 0x5412, &(0x7f0000000240)) ioctl$TIOCSTI(r5, 0x5412, &(0x7f00000001c0)) r6 = syz_open_dev$loop(&(0x7f0000000340), 0x2, 0x4208c0) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f0000000240)={0x0, {}, 0x0, {}, 0x40000202, 0xa, 0xf, 0x5, "9e959f16de7d289812a2858f3b56a516950600000000000000eef4fb0efcc1cba6078ed9d5f8643902dd8f6fac274de9d940ffa5e592bbd48685450d00002000", "f625c14dc8df6aa3a893ecf2a0c5f5f09163c400", [0x8, 0x3a]}) r7 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r7, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000380)={0x48, 0x2, 0x6, 0x5, 0x0, 0x0, {0x0, 0x0, 0xfffc}, [@IPSET_ATTR_REVISION={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_TYPENAME={0x10, 0x3, 'hash:ip,mac\x00'}, @IPSET_ATTR_FAMILY={0x5, 0x5, 0x2}, @IPSET_ATTR_PROTOCOL={0x5, 0x1, 0x6}]}, 0x48}}, 0x0) r8 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_ADD(r8, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x44, 0x9, 0x6, 0x201, 0x0, 0x0, {0x15}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_DATA={0x1c, 0x7, 0x0, 0x1, [@IPSET_ATTR_IP={0xc, 0x1, 0x0, 0x1, @IPSET_ATTR_IPADDR_IPV4={0x8, 0x1, 0x1, 0x0, @empty=0xfffffffe}}, @IPSET_ATTR_ETHER={0xa, 0x11, @random}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x3004c047}, 0x4000050) close(r3) [ 118.599299][ T4656] Bluetooth: hci0: command tx timeout [ 118.833543][ T5339] loop0: detected capacity change from 0 to 512 [ 118.943370][ T5339] EXT4-fs error (device loop0): ext4_free_branches:1023: inode #11: comm syz.0.0: invalid indirect mapped block 256 (level 2) [ 118.967776][ T5339] loop0: lost file I/O error report for ino 11 type 5 pos 0x0 len 0x0 error -117 [ 118.971307][ T5339] EXT4-fs (loop0): 2 truncates cleaned up [ 118.975699][ C0] EXT4-fs (loop0): error count since last fsck: 1 [ 118.975761][ C0] EXT4-fs (loop0): initial error at time 1779399171: ext4_free_branches:1023: inode 11 [ 118.975783][ C0] EXT4-fs (loop0): last error at time 1779399171: ext4_free_branches:1023: inode 11 [ 119.056247][ T5339] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 119.133878][ T12] ------------[ cut here ]------------ [ 119.136615][ T12] kernel BUG at fs/ext4/inode.c:2826! [ 119.153612][ T12] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 119.156515][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted syzkaller #0 PREEMPT(full) [ 119.160284][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 119.164476][ T12] Workqueue: writeback wb_workfn (flush-7:0) [ 119.166990][ T12] RIP: 0010:ext4_do_writepages+0x465f/0x4670 [ 119.169736][ T12] Code: c6 a0 68 e4 8b e8 61 3c 9f fe 90 0f 0b e8 f9 01 3d ff 4c 89 f7 48 c7 c6 80 6d e4 8b e8 4a 3c 9f fe 90 0f 0b e8 e2 01 3d ff 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 [ 119.177638][ T12] RSP: 0018:ffffc9000025ec80 EFLAGS: 00010293 [ 119.180000][ T12] RAX: ffffffff8288d24e RBX: 0000004a10000000 RCX: ffff88801b35ca00 [ 119.183190][ T12] RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 [ 119.186385][ T12] RBP: ffffc9000025f090 R08: ffff888055c454b7 R09: 1ffff1100ab88a96 [ 119.189574][ T12] R10: dffffc0000000000 R11: ffffed100ab88a97 R12: dffffc0000000000 [ 119.192978][ T12] R13: 0000000000000001 R14: 0000004000000000 R15: 1ffff110026630c5 [ 119.196039][ T12] FS: 0000000000000000(0000) GS:ffff88808c87e000(0000) knlGS:0000000000000000 [ 119.199588][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 119.202243][ T12] CR2: 00007fd659e51949 CR3: 0000000012207000 CR4: 0000000000352ef0 [ 119.205298][ T12] Call Trace: [ 119.206647][ T12] [ 119.208046][ T12] ? unwind_next_frame+0xa6/0x2550 [ 119.210080][ T12] ? lock_acquire+0x106/0x350 [ 119.212032][ T12] ? __lock_acquire+0x6b5/0x2cf0 [ 119.214023][ T12] ? __lock_acquire+0x6b5/0x2cf0 [ 119.216255][ T12] ? do_raw_spin_lock+0x12b/0x2f0 [ 119.218364][ T12] ? do_raw_spin_lock+0x12b/0x2f0 [ 119.220329][ T12] ? __pfx_ext4_do_writepages+0x10/0x10 [ 119.222477][ T12] ? __lock_acquire+0x6b5/0x2cf0 [ 119.224286][ T12] ? rcu_is_watching+0x15/0xb0 [ 119.226063][ T12] ? trace_hrtimer_start+0x82/0x200 [ 119.228138][ T12] ? ext4_writepages+0x205/0x3b0 [ 119.230302][ T12] ? ext4_writepages+0x205/0x3b0 [ 119.232655][ T12] ext4_writepages+0x241/0x3b0 [ 119.234855][ T12] ? __pfx_ext4_writepages+0x10/0x10 [ 119.237307][ T12] ? __pfx___schedule+0x10/0x10 [ 119.239512][ T12] ? __pfx_ext4_writepages+0x10/0x10 [ 119.242405][ T12] do_writepages+0x32e/0x550 [ 119.244615][ T12] ? reacquire_held_locks+0x104/0x190 [ 119.247112][ T12] ? writeback_sb_inodes+0x463/0x19d0 [ 119.249805][ T12] __writeback_single_inode+0x133/0x10e0 [ 119.252327][ T12] ? do_raw_spin_unlock+0x4d/0x210 [ 119.254535][ T12] writeback_sb_inodes+0x979/0x19d0 [ 119.256638][ T12] ? lockdep_hardirqs_on+0x7a/0x110 [ 119.258643][ T12] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 119.260774][ T12] ? __pfx_down_read_trylock+0x10/0x10 [ 119.262778][ T12] ? __pfx_move_expired_inodes+0x10/0x10 [ 119.264873][ T12] __writeback_inodes_wb+0x111/0x240 [ 119.267023][ T12] wb_writeback+0x459/0xb00 [ 119.269092][ T12] ? queue_io+0x241/0x470 [ 119.270914][ T12] ? __pfx_wb_writeback+0x10/0x10 [ 119.272978][ T12] ? do_raw_spin_lock+0x12b/0x2f0 [ 119.275057][ T12] wb_workfn+0x921/0xf10 [ 119.276776][ T12] ? __lock_acquire+0x6b5/0x2cf0 [ 119.278767][ T12] ? look_up_lock_class+0x57/0x110 [ 119.281036][ T12] ? __pfx_wb_workfn+0x10/0x10 [ 119.282999][ T12] ? do_raw_spin_lock+0x12b/0x2f0 [ 119.285042][ T12] ? lock_acquire+0x106/0x350 [ 119.286851][ T12] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 119.288905][ T12] ? process_scheduled_works+0xa70/0x1860 [ 119.291104][ T12] ? process_scheduled_works+0xa70/0x1860 [ 119.293693][ T12] ? process_scheduled_works+0xa70/0x1860 [ 119.296267][ T12] process_scheduled_works+0xb5d/0x1860 [ 119.298760][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 119.301225][ T12] ? assign_work+0x3d5/0x5e0 [ 119.303285][ T12] worker_thread+0xa53/0xfc0 [ 119.305273][ T12] kthread+0x389/0x470 [ 119.307142][ T12] ? __pfx_worker_thread+0x10/0x10 [ 119.309373][ T12] ? __pfx_kthread+0x10/0x10 [ 119.311302][ T12] ret_from_fork+0x514/0xb70 [ 119.313178][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 119.315116][ T12] ? __switch_to+0xc79/0x1410 [ 119.317175][ T12] ? __pfx_kthread+0x10/0x10 [ 119.319080][ T12] ret_from_fork_asm+0x1a/0x30 [ 119.321024][ T12] [ 119.322428][ T12] Modules linked in: [ 119.325251][ T12] ---[ end trace 0000000000000000 ]--- [ 119.335912][ T5339] EXT4-fs error (device loop0): ext4_validate_block_bitmap:432: comm syz.0.0: bg 0: block 5: invalid block bitmap [ 119.362491][ T5339] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 5 with error 28 [ 119.368103][ T5339] EXT4-fs (loop0): This should not happen!! Data will be lost [ 119.368103][ T5339] [ 119.372326][ T5339] EXT4-fs (loop0): Total free blocks count 0 [ 119.375057][ T5339] EXT4-fs (loop0): Free/Dirty block details [ 119.377982][ T5339] EXT4-fs (loop0): free_blocks=0 [ 119.380582][ T5339] EXT4-fs (loop0): dirty_blocks=5 [ 119.383116][ T5339] EXT4-fs (loop0): Block reservation details [ 119.386443][ T5339] EXT4-fs (loop0): i_reserved_data_blocks=5 [ 119.390417][ T12] RIP: 0010:ext4_do_writepages+0x465f/0x4670 [ 119.407484][ T12] Code: c6 a0 68 e4 8b e8 61 3c 9f fe 90 0f 0b e8 f9 01 3d ff 4c 89 f7 48 c7 c6 80 6d e4 8b e8 4a 3c 9f fe 90 0f 0b e8 e2 01 3d ff 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 [ 119.430082][ T12] RSP: 0018:ffffc9000025ec80 EFLAGS: 00010293