forked to background, child pid 4646 [ 42.491995][ T4647] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.511774][ T4647] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: [ 43.039915][ T4740] sshd (4740) used greatest stack depth: 19600 bytes left OK syzkaller Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.459494][ T5066] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5066 'syz-executor343' [ 68.484589][ T5066] loop0: detected capacity change from 0 to 2048 [ 68.519522][ T5066] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 68.543015][ T5066] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters executing program [ 68.570099][ T5064] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 68.626091][ T5074] loop0: detected capacity change from 0 to 2048 [ 68.647052][ T5074] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. executing program [ 68.667227][ T5074] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 68.690150][ T5064] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 68.734124][ T5079] loop0: detected capacity change from 0 to 2048 [ 68.756026][ T5079] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. executing program [ 68.781800][ T5079] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 68.804210][ T5064] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 68.851066][ T5084] loop0: detected capacity change from 0 to 2048 [ 68.866748][ T5084] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 68.885121][ T5084] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters executing program [ 68.908384][ T5064] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 68.970606][ T5089] loop0: detected capacity change from 0 to 2048 [ 68.986689][ T5089] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. executing program [ 69.008116][ T5089] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 69.031553][ T5064] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 69.081731][ T5094] loop0: detected capacity change from 0 to 2048 [ 69.096309][ T5094] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. executing program [ 69.118738][ T5094] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 69.148587][ T5064] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 69.199032][ T5099] loop0: detected capacity change from 0 to 2048 [ 69.217037][ T5099] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. executing program [ 69.235282][ T5099] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 69.257595][ T5064] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 69.305741][ T5104] loop0: detected capacity change from 0 to 2048 [ 69.309361][ T5067] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 69.335838][ T5104] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. executing program [ 69.360506][ T5104] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 69.380478][ T5064] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 69.427464][ T5109] loop0: detected capacity change from 0 to 2048 [ 69.446952][ T5109] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. executing program [ 69.465657][ T5109] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 69.486471][ T5064] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 69.527937][ T5114] loop0: detected capacity change from 0 to 2048 [ 69.546883][ T5114] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 69.577257][ T5117] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 69.594499][ T5114] ------------[ cut here ]------------ [ 69.600213][ T5114] kernel BUG at fs/ext4/ext4_jbd2.c:53! [ 69.613494][ T5114] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 69.619587][ T5114] CPU: 0 PID: 5114 Comm: syz-executor343 Not tainted 6.3.0-rc2-syzkaller #0 [ 69.628253][ T5114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 69.638331][ T5114] RIP: 0010:__ext4_journal_stop+0x18f/0x1a0 [ 69.644258][ T5114] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 11 ff ff ff e8 fb df ae ff e9 07 ff ff ff e8 f1 ec 58 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 66 0f 1f 00 55 [ 69.663883][ T5114] RSP: 0018:ffffc90003e5f800 EFLAGS: 00010293 [ 69.669964][ T5114] RAX: ffffffff82325a8f RBX: 0000000000000000 RCX: ffff888025e73a80 [ 69.677954][ T5114] RDX: 0000000000000000 RSI: 0000000000000321 RDI: ffffffff8c8497cf [ 69.685924][ T5114] RBP: 0000000000000321 R08: ffffffff823840d7 R09: fffffbfff1ca8066 [ 69.693892][ T5114] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100ea2f909 [ 69.701893][ T5114] R13: 0000000000000012 R14: 1ffff1100ea2f927 R15: ffffffff8c8497cf [ 69.709859][ T5114] FS: 00007f8291380700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 69.718787][ T5114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.725396][ T5114] CR2: 00007f8291415c70 CR3: 000000001d13e000 CR4: 00000000003506f0 [ 69.733380][ T5114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.741367][ T5114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.749356][ T5114] Call Trace: [ 69.752631][ T5114] [ 69.755562][ T5114] ? ext4_write_inline_data_end+0xa51/0x10e0 [ 69.761568][ T5114] ext4_write_inline_data_end+0xa6e/0x10e0 [ 69.767383][ T5114] ? put_page+0x260/0x260 [ 69.771718][ T5114] ? ext4_da_write_begin+0xa30/0xa30 [ 69.777028][ T5114] generic_perform_write+0x3ed/0x5e0 [ 69.782325][ T5114] ? generic_file_direct_write+0x460/0x460 [ 69.788140][ T5114] ? clear_nonspinnable+0x60/0x60 [ 69.793197][ T5114] ? __lock_acquire+0x125b/0x1f80 [ 69.798234][ T5114] ? ext4_write_checks+0x255/0x2c0 [ 69.803354][ T5114] ext4_buffered_write_iter+0x122/0x3a0 [ 69.808900][ T5114] ext4_file_write_iter+0x1d6/0x1930 [ 69.814187][ T5114] ? read_lock_is_recursive+0x20/0x20 [ 69.819564][ T5114] ? ext4_file_read_iter+0x670/0x670 [ 69.824860][ T5114] vfs_write+0x7b2/0xbb0 [ 69.829131][ T5114] ? file_end_write+0x250/0x250 [ 69.833989][ T5114] ? mutex_lock_nested+0x1b/0x20 [ 69.839022][ T5114] ? __fdget_pos+0x254/0x2f0 [ 69.843621][ T5114] ? ksys_write+0x7b/0x2c0 [ 69.848037][ T5114] ksys_write+0x1a0/0x2c0 [ 69.852389][ T5114] ? print_irqtrace_events+0x220/0x220 [ 69.857874][ T5114] ? __ia32_sys_read+0x90/0x90 [ 69.862660][ T5114] ? syscall_enter_from_user_mode+0x32/0x2c0 [ 69.868644][ T5114] ? lockdep_hardirqs_on+0x98/0x140 [ 69.873858][ T5114] ? syscall_enter_from_user_mode+0x32/0x2c0 [ 69.879843][ T5114] do_syscall_64+0x41/0xc0 [ 69.884270][ T5114] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 69.890170][ T5114] RIP: 0033:0x7f82913d4599 [ 69.894579][ T5114] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 69.914184][ T5114] RSP: 002b:00007f82913802f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.922614][ T5114] RAX: ffffffffffffffda RBX: 00007f82914597a0 RCX: 00007f82913d4599 [ 69.930590][ T5114] RDX: 0000000000000009 RSI: 0000000020000f80 RDI: 0000000000000004 [ 69.938561][ T5114] RBP: 00007f829142682c R08: 0000000000000000 R09: 0000000000000000 [ 69.946546][ T5114] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f82914260c0 [ 69.954517][ T5114] R13: 0000000020000fc0 R14: 0030656c69662f2e R15: 00007f82914597a8 [ 69.962497][ T5114] [ 69.965514][ T5114] Modules linked in: [ 69.971792][ T5114] ---[ end trace 0000000000000000 ]--- [ 69.977319][ T5114] RIP: 0010:__ext4_journal_stop+0x18f/0x1a0 [ 69.983580][ T5114] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 11 ff ff ff e8 fb df ae ff e9 07 ff ff ff e8 f1 ec 58 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 66 0f 1f 00 55 [ 70.003592][ T5114] RSP: 0018:ffffc90003e5f800 EFLAGS: 00010293 [ 70.009721][ T5114] RAX: ffffffff82325a8f RBX: 0000000000000000 RCX: ffff888025e73a80 [ 70.017869][ T5114] RDX: 0000000000000000 RSI: 0000000000000321 RDI: ffffffff8c8497cf [ 70.025991][ T5114] RBP: 0000000000000321 R08: ffffffff823840d7 R09: fffffbfff1ca8066 [ 70.034358][ T5114] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100ea2f909 [ 70.042375][ T5114] R13: 0000000000000012 R14: 1ffff1100ea2f927 R15: ffffffff8c8497cf [ 70.050535][ T5114] FS: 00007f8291380700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 70.059633][ T5114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.066351][ T5114] CR2: 00007f8291415c70 CR3: 000000001d13e000 CR4: 00000000003506f0 [ 70.074450][ T5114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.082470][ T5114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.090644][ T5114] Kernel panic - not syncing: Fatal exception [ 70.096985][ T5114] Kernel Offset: disabled [ 70.101313][ T5114] Rebooting in 86400 seconds..