program: r0 = socket$inet_mptcp(0x2, 0x1, 0x106) r1 = syz_mount_image$fuse(&(0x7f0000000340), &(0x7f0000000380)='./bus\x00', 0x402, &(0x7f00000003c0)={{}, 0x2c, {'rootmode', 0x3d, 0x1000}, 0x2c, {}, 0x2c, {'group_id', 0x3d, 0xee01}, 0x2c, {[{@default_permissions}, {@blksize={'blksize', 0x3d, 0x1000}}, {@default_permissions}], [{@dont_appraise}, {@subj_type={'subj_type', 0x3d, '@\\-\'\\(@]['}}]}}, 0x9, 0x0, &(0x7f0000000500)="6c294305dc620ea44bb36515aaea73ce0b5ef387edd0013d1b1568118bb91061a179d23302661f5504c688f08217dbb89c190cc9b209fc62db8d8274e236c464a181b5219d31f1d67e15aae8ed50e7dcc4e2bb92925421decbd44d8ac4a0f50ed77e81752ef72cafec170a6c9a2fdda53346fe26d301fd9dc0eaf3950c2e9b1ad6db91d5e794e1d8340521ab536871f33a32ab165c82f2ab2976154879288c97c0a845f63b054d17afaec264250ce4e3beb53ce9c986333b424cc4809c3c22f058795f1f1acb49c0bb0458662206ac2b2293d7e8") fcntl$dupfd(r1, 0x406, r0) getsockopt$inet_mptcp_buf(r0, 0x11c, 0x3, &(0x7f00000001c0)=""/74, &(0x7f0000000240)=0x4a) r2 = bpf$MAP_CREATE(0x0, 0x0, 0x0) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000840)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc0ed000e, &(0x7f0000000940)={[{@min_batch_time={'min_batch_time', 0x3d, 0x5}}, {@auto_da_alloc}, {@mb_optimize_scan}, {@noload}, {@noload}, {@noblock_validity}, {@barrier_val={'barrier', 0x3d, 0x80}}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x8000}}]}, 0xfe, 0x497, &(0x7f0000000a00)="$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") r3 = socket$nl_sock_diag(0x10, 0x3, 0x4) sendmsg$TCPDIAG_GETSOCK(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)=ANY=[@ANYBLOB="4c0000001200010003950000000000000a0900000001000000000000000000000000ffffff9e000000000000000000000000ffff"], 0x4c}}, 0x0) r4 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000000), 0x6a0400, 0x0) fcntl$getflags(r4, 0x1) r5 = open(&(0x7f0000000180)='./bus\x00', 0x4a37e, 0x4) ioctl$EXT4_IOC_ALLOC_DA_BLKS(r2, 0x660c) r6 = open(&(0x7f0000000040)='./bus\x00', 0x46342, 0x0) ftruncate(r6, 0x2008002) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8088e3ad122bc192, 0x4002011, r5, 0x1000000) r7 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000100), 0x4000000004882, 0x0) setsockopt$MRT6_DEL_MIF(r6, 0x29, 0xcb, &(0x7f00000002c0)={0x0, 0x1, 0x80, 0x0, 0x1}, 0xc) write$bt_hci(r5, &(0x7f0000000280)={0x1, @read_remote_ext_features={{0x41c, 0x3}, {0xc9, 0x6}}}, 0x7) io_setup(0x1, &(0x7f00000004c0)=0x0) io_submit(r8, 0xca, &(0x7f00000000c0)=[&(0x7f0000000140)={0x3a0012fb, 0x2759, 0x7, 0x0, 0x0, r7, &(0x7f0000000000)="98", 0x3e8000072a, 0x1000000, 0x0, 0x10}]) [ 103.492407][ T4650] Bluetooth: hci0: command tx timeout [ 103.573676][ T5321] fuse: Bad value for 'fd' [ 103.681311][ T5321] loop0: detected capacity change from 0 to 512 [ 103.785091][ T5321] EXT4-fs error (device loop0): __ext4_iget:5533: inode #15: block 1803188595: comm syz.0.0: invalid block [ 103.800426][ T5321] loop0: lost file I/O error report for ino 15 type 5 pos 0x0 len 0x0 error -117 [ 103.802726][ T5321] EXT4-fs error (device loop0): ext4_orphan_get:1404: comm syz.0.0: couldn't read orphan inode 15 (err -117) [ 103.807487][ C0] EXT4-fs (loop0): error count since last fsck: 1 [ 103.807547][ C0] EXT4-fs (loop0): initial error at time 1783826574: __ext4_iget:5533: inode 15: block 1803188595 [ 103.807567][ C0] EXT4-fs (loop0): last error at time 1783826574: __ext4_iget:5533: inode 15: block 1803188595 [ 103.858122][ T5321] loop0: lost filesystem error report for type 5 error -117 [ 103.861136][ T5321] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 104.054994][ T5322] ------------[ cut here ]------------ [ 104.057539][ T5322] !folio_buffers(folio) [ 104.057553][ T5322] WARNING: fs/ext4/inode.c:3939 at ext4_dirty_folio+0x167/0x1b0, CPU#0: syz.0.0/5322 [ 104.063324][ T5322] Modules linked in: [ 104.065303][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 104.070493][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 104.074908][ T5322] RIP: 0010:ext4_dirty_folio+0x167/0x1b0 [ 104.077387][ T5322] Code: 9f ee a6 ff 49 83 3f 00 74 1a e8 64 c8 37 ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 2f e2 cd ff e8 4a c8 37 ff 90 <0f> 0b 90 eb e0 e8 3f c8 37 ff 90 0f 0b 90 eb a7 e8 34 c8 37 ff 48 [ 104.085300][ T5322] RSP: 0018:ffffc90005497528 EFLAGS: 00010283 [ 104.088206][ T5322] RAX: ffffffff828ebe26 RBX: ffffea0000472b00 RCX: 0000000000100000 [ 104.092099][ T5322] RDX: ffffc90021003000 RSI: 000000000001eeee RDI: 000000000001eeef [ 104.095250][ T5322] RBP: 1ffffd400008e560 R08: ffffea0000472b07 R09: 1ffffd400008e560 [ 104.098560][ T5322] R10: dffffc0000000000 R11: fffff9400008e561 R12: ffff888043f19718 [ 104.102787][ T5322] R13: 1ffffd400008e561 R14: 0000000000000001 R15: ffffea0000472b28 [ 104.107073][ T5322] FS: 00007fcb2f0056c0(0000) GS:ffff88808c54d000(0000) knlGS:0000000000000000 [ 104.110821][ T5322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.113533][ T5322] CR2: 00007fcb2efe4000 CR3: 000000001fdbb000 CR4: 0000000000352ef0 [ 104.116921][ T5322] Call Trace: [ 104.118489][ T5322] [ 104.119979][ T5322] bio_set_pages_dirty+0x372/0xa70 [ 104.122464][ T5322] __blkdev_direct_IO+0x81f/0xf30 [ 104.124498][ T5322] ? __pfx_aio_complete_rw+0x10/0x10 [ 104.126646][ T5322] ? __pfx___blkdev_direct_IO+0x10/0x10 [ 104.128791][ T5322] ? __lock_acquire+0x683/0x2cf0 [ 104.130892][ T5322] blkdev_direct_IO+0x122e/0x17a0 [ 104.132937][ T5322] ? do_raw_spin_lock+0x12b/0x2f0 [ 104.135433][ T5322] ? __pfx_blkdev_direct_IO+0x10/0x10 [ 104.138315][ T5322] ? reacquire_held_locks+0x104/0x190 [ 104.140568][ T5322] ? __mark_inode_dirty+0x705/0x13b0 [ 104.142773][ T5322] ? blkdev_read_iter+0x200/0x420 [ 104.145047][ T5322] ? touch_atime+0x379/0x670 [ 104.147295][ T5322] ? blkdev_read_iter+0x200/0x420 [ 104.149797][ T5322] blkdev_read_iter+0x223/0x420 [ 104.152100][ T5322] aio_read+0x33a/0x4d0 [ 104.153949][ T5322] ? __pfx_aio_read+0x10/0x10 [ 104.156001][ T5322] ? __might_fault+0xaf/0x130 [ 104.158032][ T5322] io_submit_one+0x774/0x13d0 [ 104.159970][ T5322] ? lockdep_hardirqs_on+0x7a/0x110 [ 104.162401][ T5322] ? irqentry_exit+0x218/0x8f0 [ 104.165007][ T5322] ? __pfx_io_submit_one+0x10/0x10 [ 104.167590][ T5322] ? __might_fault+0xaf/0x130 [ 104.169633][ T5322] ? __might_fault+0xaf/0x130 [ 104.171716][ T5322] __se_sys_io_submit+0x195/0x340 [ 104.173820][ T5322] ? __pfx___se_sys_io_submit+0x10/0x10 [ 104.176263][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.178831][ T5322] do_syscall_64+0x174/0x580 [ 104.181110][ T5322] ? trace_irq_disable+0x3b/0x140 [ 104.184169][ T5322] ? clear_bhb_loop+0x40/0x90 [ 104.186730][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.189208][ T5322] RIP: 0033:0x7fcb2e19de59 [ 104.191087][ T5322] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 104.199209][ T5322] RSP: 002b:00007fcb2f004fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 104.203063][ T5322] RAX: ffffffffffffffda RBX: 00007fcb2e426090 RCX: 00007fcb2e19de59 [ 104.207324][ T5322] RDX: 00002000000000c0 RSI: 00000000000000ca RDI: 00007fcb2efe4000 [ 104.211020][ T5322] RBP: 00007fcb2e233e6f R08: 0000000000000000 R09: 0000000000000000 [ 104.214258][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 104.217764][ T5322] R13: 00007fcb2e426128 R14: 00007fcb2e426090 R15: 00007ffd61334148 [ 104.221794][ T5322] [ 104.223486][ T5322] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 104.226544][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 104.230181][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 104.234241][ T5322] Call Trace: [ 104.235676][ T5322] [ 104.237071][ T5322] vpanic+0x56c/0xa60 [ 104.239274][ T5322] ? __pfx__printk+0x10/0x10 [ 104.241876][ T5322] ? __pfx_vpanic+0x10/0x10 [ 104.243767][ T5322] ? is_bpf_text_address+0x292/0x2b0 [ 104.245915][ T5322] ? is_bpf_text_address+0x26/0x2b0 [ 104.248026][ T5322] panic+0xc5/0xd0 [ 104.249641][ T5322] ? __pfx_panic+0x10/0x10 [ 104.251509][ T5322] __warn+0x315/0x4c0 [ 104.253197][ T5322] ? ext4_dirty_folio+0x167/0x1b0 [ 104.255348][ T5322] ? ext4_dirty_folio+0x167/0x1b0 [ 104.257765][ T5322] __report_bug+0x331/0x530 [ 104.260048][ T5322] ? ext4_dirty_folio+0x167/0x1b0 [ 104.262491][ T5322] ? __pfx___report_bug+0x10/0x10 [ 104.264717][ T5322] ? __lock_acquire+0x683/0x2cf0 [ 104.266733][ T5322] ? ext4_dirty_folio+0x167/0x1b0 [ 104.268819][ T5322] report_bug+0x16a/0x220 [ 104.270617][ T5322] ? ext4_dirty_folio+0x167/0x1b0 [ 104.272705][ T5322] ? ext4_dirty_folio+0x169/0x1b0 [ 104.274688][ T5322] handle_bug+0x9c/0x200 [ 104.276988][ T5322] exc_invalid_op+0x1a/0x50 [ 104.279556][ T5322] asm_exc_invalid_op+0x1a/0x20 [ 104.281687][ T5322] RIP: 0010:ext4_dirty_folio+0x167/0x1b0 [ 104.283976][ T5322] Code: 9f ee a6 ff 49 83 3f 00 74 1a e8 64 c8 37 ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 2f e2 cd ff e8 4a c8 37 ff 90 <0f> 0b 90 eb e0 e8 3f c8 37 ff 90 0f 0b 90 eb a7 e8 34 c8 37 ff 48 [ 104.291961][ T5322] RSP: 0018:ffffc90005497528 EFLAGS: 00010283 [ 104.294933][ T5322] RAX: ffffffff828ebe26 RBX: ffffea0000472b00 RCX: 0000000000100000 [ 104.299064][ T5322] RDX: ffffc90021003000 RSI: 000000000001eeee RDI: 000000000001eeef [ 104.302604][ T5322] RBP: 1ffffd400008e560 R08: ffffea0000472b07 R09: 1ffffd400008e560 [ 104.305839][ T5322] R10: dffffc0000000000 R11: fffff9400008e561 R12: ffff888043f19718 [ 104.309039][ T5322] R13: 1ffffd400008e561 R14: 0000000000000001 R15: ffffea0000472b28 [ 104.312387][ T5322] ? ext4_dirty_folio+0x166/0x1b0 [ 104.315085][ T5322] ? ext4_dirty_folio+0x166/0x1b0 [ 104.318203][ T5322] bio_set_pages_dirty+0x372/0xa70 [ 104.320845][ T5322] __blkdev_direct_IO+0x81f/0xf30 [ 104.322963][ T5322] ? __pfx_aio_complete_rw+0x10/0x10 [ 104.325173][ T5322] ? __pfx___blkdev_direct_IO+0x10/0x10 [ 104.327402][ T5322] ? __lock_acquire+0x683/0x2cf0 [ 104.329418][ T5322] blkdev_direct_IO+0x122e/0x17a0 [ 104.331446][ T5322] ? do_raw_spin_lock+0x12b/0x2f0 [ 104.333467][ T5322] ? __pfx_blkdev_direct_IO+0x10/0x10 [ 104.335815][ T5322] ? reacquire_held_locks+0x104/0x190 [ 104.338779][ T5322] ? __mark_inode_dirty+0x705/0x13b0 [ 104.341664][ T5322] ? blkdev_read_iter+0x200/0x420 [ 104.344062][ T5322] ? touch_atime+0x379/0x670 [ 104.346019][ T5322] ? blkdev_read_iter+0x200/0x420 [ 104.348171][ T5322] blkdev_read_iter+0x223/0x420 [ 104.350362][ T5322] aio_read+0x33a/0x4d0 [ 104.352143][ T5322] ? __pfx_aio_read+0x10/0x10 [ 104.354127][ T5322] ? __might_fault+0xaf/0x130 [ 104.356092][ T5322] io_submit_one+0x774/0x13d0 [ 104.358116][ T5322] ? lockdep_hardirqs_on+0x7a/0x110 [ 104.360316][ T5322] ? irqentry_exit+0x218/0x8f0 [ 104.362477][ T5322] ? __pfx_io_submit_one+0x10/0x10 [ 104.365011][ T5322] ? __might_fault+0xaf/0x130 [ 104.367390][ T5322] ? __might_fault+0xaf/0x130 [ 104.369668][ T5322] __se_sys_io_submit+0x195/0x340 [ 104.371866][ T5322] ? __pfx___se_sys_io_submit+0x10/0x10 [ 104.374122][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.376676][ T5322] do_syscall_64+0x174/0x580 [ 104.378727][ T5322] ? trace_irq_disable+0x3b/0x140 [ 104.381237][ T5322] ? clear_bhb_loop+0x40/0x90 [ 104.383570][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.386208][ T5322] RIP: 0033:0x7fcb2e19de59 [ 104.388117][ T5322] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 104.396059][ T5322] RSP: 002b:00007fcb2f004fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 104.401138][ T5322] RAX: ffffffffffffffda RBX: 00007fcb2e426090 RCX: 00007fcb2e19de59 [ 104.404565][ T5322] RDX: 00002000000000c0 RSI: 00000000000000ca RDI: 00007fcb2efe4000 [ 104.407622][ T5322] RBP: 00007fcb2e233e6f R08: 0000000000000000 R09: 0000000000000000 [ 104.410695][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 104.413887][ T5322] R13: 00007fcb2e426128 R14: 00007fcb2e426090 R15: 00007ffd61334148 [ 104.417198][ T5322] [ 104.418913][ T5322] Kernel Offset: disabled [ 104.420762][ T5322] Rebooting in 86400 seconds..