Warning: Permanently added '10.128.0.255' (ED25519) to the list of known hosts.
executing program
syzkaller login: [ 65.729986][ T4168] loop0: detected capacity change from 0 to 2048
[ 65.759012][ T4170] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 65.765684][ T26] audit: type=1800 audit(1749253554.791:2): pid=4168 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor156" name="file2" dev="loop0" ino=16 res=0 errno=0
[ 65.800654][ T4168] ------------[ cut here ]------------
[ 65.806719][ T4168] WARNING: CPU: 1 PID: 4168 at fs/nilfs2/dat.c:200 nilfs_dat_commit_end+0x5ac/0x6b0
[ 65.816556][ T4168] Modules linked in:
[ 65.820487][ T4168] CPU: 1 PID: 4168 Comm: syz-executor156 Not tainted 5.15.185-syzkaller #0
[ 65.829257][ T4168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 65.839462][ T4168] RIP: 0010:nilfs_dat_commit_end+0x5ac/0x6b0
[ 65.845482][ T4168] Code: 8b 34 24 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 a8 4c 03 00 e8 33 1c 6e fe e8 8e d4 f6 fd e9 b8 fc ff ff e8 24 1c 6e fe <0f> 0b e9 16 fc ff ff e8 18 1c 6e fe e8 73 d4 f6 fd e9 74 fe ff ff
[ 65.865247][ T4168] RSP: 0018:ffffc90002daeb38 EFLAGS: 00010293
[ 65.871331][ T4168] RAX: ffffffff8309a5fc RBX: ffff88814c3651a0 RCX: ffff88807a795940
[ 65.879338][ T4168] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000009000002
[ 65.887349][ T4168] RBP: 0000000000000003 R08: dffffc0000000000 R09: ffffed100e1c981e
[ 65.895353][ T4168] R10: ffffed100e1c981e R11: 1ffff1100e1c981d R12: ffff88807a7970c8
[ 65.903472][ T4168] R13: ffff88807f009980 R14: 0000000009000002 R15: ffff88801abebc30
[ 65.911514][ T4168] FS: 000055556acba380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 65.920543][ T4168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 65.927178][ T4168] CR2: 00007f4315bcd0f8 CR3: 0000000022a70000 CR4: 00000000003506e0
[ 65.935278][ T4168] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 65.943257][ T4168] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 65.951283][ T4168] Call Trace:
[ 65.954620][ T4168]
[ 65.957589][ T4168] nilfs_dat_commit_update+0x24/0x40
[ 65.963308][ T4168] nilfs_btree_commit_update_v+0x93/0x400
[ 65.969072][ T4168] nilfs_btree_propagate+0x974/0xd40
[ 65.974424][ T4168] nilfs_bmap_propagate+0x70/0x120
[ 65.979549][ T4168] nilfs_collect_file_data+0x4b/0xc0
[ 65.985060][ T4168] nilfs_segctor_apply_buffers+0x15d/0x320
[ 65.990999][ T4168] ? nilfs_segctor_end_finfo+0x5b0/0x5b0
[ 65.996672][ T4168] nilfs_segctor_do_construct+0x1882/0x6be0
[ 66.002647][ T4168] ? nilfs_transaction_unlock+0x220/0x220
[ 66.008417][ T4168] ? kasan_set_track+0x62/0x70
[ 66.013210][ T4168] ? clear_nonspinnable+0x60/0x60
[ 66.018329][ T4168] ? nilfs_construct_dsync_segment+0x54c/0x6e0
[ 66.024560][ T4168] ? __lock_acquire+0x7c60/0x7c60
[ 66.029604][ T4168] ? do_raw_spin_lock+0x11d/0x280
[ 66.034671][ T4168] ? __rwlock_init+0x140/0x140
[ 66.039450][ T4168] ? do_raw_spin_unlock+0x11d/0x230
[ 66.044694][ T4168] nilfs_construct_dsync_segment+0x5df/0x6e0
[ 66.050824][ T4168] ? nilfs_segctor_sync+0x3a0/0x3a0
[ 66.056081][ T4168] ? do_raw_spin_unlock+0x11d/0x230
[ 66.061292][ T4168] ? nilfs_writepages+0xc1/0x160
[ 66.066268][ T4168] ? nilfs_readpage+0x20/0x20
[ 66.070963][ T4168] do_writepages+0x48d/0x6d0
[ 66.075606][ T4168] ? filemap_fdatawrite_wbc+0x1e0/0x240
[ 66.081168][ T4168] ? __writepage+0x130/0x130
[ 66.085796][ T4168] ? __lock_acquire+0x7c60/0x7c60
[ 66.090862][ T4168] ? __rwlock_init+0x140/0x140
[ 66.095683][ T4168] ? do_raw_spin_unlock+0x11d/0x230
[ 66.100907][ T4168] filemap_fdatawrite_wbc+0x1eb/0x240
[ 66.106340][ T4168] filemap_write_and_wait_range+0xfa/0x380
[ 66.112170][ T4168] ? xas_next_entry+0x3d0/0x3d0
[ 66.117078][ T4168] __generic_file_write_iter+0x3af/0x4e0
[ 66.123364][ T4168] generic_file_write_iter+0xa6/0x1b0
[ 66.128886][ T4168] do_iter_readv_writev+0x497/0x600
[ 66.134127][ T4168] ? generic_file_rw_checks+0x280/0x280
[ 66.139728][ T4168] ? common_file_perm+0x171/0x1c0
[ 66.145201][ T4168] ? fsnotify_perm+0x5d/0x560
[ 66.151316][ T4168] ? security_file_permission+0x75/0xa0
[ 66.156983][ T4168] do_iter_write+0x205/0x7b0
[ 66.161613][ T4168] ? memset+0x1e/0x40
[ 66.166277][ T4168] ? iov_iter_bvec+0xb4/0x170
[ 66.171091][ T4168] iter_file_splice_write+0x65f/0xc40
[ 66.176621][ T4168] ? pipe_truncate+0x28c/0x390
[ 66.181558][ T4168] ? splice_from_pipe+0x150/0x150
[ 66.186649][ T4168] ? generic_file_splice_read+0x43f/0x590
[ 66.192397][ T4168] ? splice_shrink_spd+0xc0/0xc0
[ 66.197392][ T4168] ? splice_from_pipe+0x150/0x150
[ 66.202434][ T4168] direct_splice_actor+0xe1/0x130
[ 66.207507][ T4168] splice_direct_to_actor+0x4dc/0xb50
[ 66.212897][ T4168] ? do_splice_direct+0x2c0/0x2c0
[ 66.217965][ T4168] ? pipe_to_sendpage+0x310/0x310
[ 66.223024][ T4168] ? common_file_perm+0x171/0x1c0
[ 66.228101][ T4168] ? fsnotify_perm+0x5d/0x560
[ 66.232793][ T4168] ? security_file_permission+0x75/0xa0
[ 66.238384][ T4168] do_splice_direct+0x1b9/0x2c0
[ 66.243268][ T4168] ? splice_direct_to_actor+0xb50/0xb50
[ 66.248863][ T4168] ? rcu_read_lock_any_held+0xb0/0x120
[ 66.254400][ T4168] ? common_file_perm+0x171/0x1c0
[ 66.259447][ T4168] do_sendfile+0x5d5/0xec0
[ 66.263874][ T4168] ? do_pwritev+0x340/0x340
[ 66.268430][ T4168] ? __lock_acquire+0x7c60/0x7c60
[ 66.273517][ T4168] __se_sys_sendfile64+0x13b/0x190
[ 66.278919][ T4168] ? lock_chain_count+0x20/0x20
[ 66.283804][ T4168] ? __x64_sys_sendfile64+0xa0/0xa0
[ 66.289063][ T4168] ? lockdep_hardirqs_on+0x94/0x140
[ 66.294296][ T4168] do_syscall_64+0x4c/0xa0
[ 66.298762][ T4168] ? clear_bhb_loop+0x30/0x80
[ 66.303466][ T4168] ? clear_bhb_loop+0x30/0x80
[ 66.308212][ T4168] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 66.314135][ T4168] RIP: 0033:0x7f4315b55ad9
[ 66.318596][ T4168] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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
[ 66.338420][ T4168] RSP: 002b:00007ffe57958648 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[ 66.346894][ T4168] RAX: ffffffffffffffda RBX: 0032656c69662f2e RCX: 00007f4315b55ad9
[ 66.354941][ T4168] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
[ 66.362914][ T4168] RBP: 00007f4315bc95f0 R08: 000055556acbb4c0 R09: 000055556acbb4c0
[ 66.370921][ T4168] R10: 0000000000fffe80 R11: 0000000000000246 R12: 00007ffe57958670
[ 66.379209][ T4168] R13: 00007ffe57958898 R14: 431bde82d7b634db R15: 00007f4315b9e03b
[ 66.387264][ T4168]
[ 66.390401][ T4168] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 66.397681][ T4168] CPU: 1 PID: 4168 Comm: syz-executor156 Not tainted 5.15.185-syzkaller #0
[ 66.406359][ T4168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 66.416411][ T4168] Call Trace:
[ 66.419688][ T4168]
[ 66.422611][ T4168] dump_stack_lvl+0x168/0x230
[ 66.427285][ T4168] ? show_regs_print_info+0x20/0x20
[ 66.432481][ T4168] ? load_image+0x3b0/0x3b0
[ 66.436986][ T4168] panic+0x2c9/0x7f0
[ 66.440894][ T4168] ? bpf_jit_dump+0xd0/0xd0
[ 66.445411][ T4168] ? nilfs_dat_commit_end+0x5ac/0x6b0
[ 66.450784][ T4168] __warn+0x248/0x2b0
[ 66.454768][ T4168] ? nilfs_dat_commit_end+0x5ac/0x6b0
[ 66.460135][ T4168] report_bug+0x1b7/0x2e0
[ 66.464477][ T4168] handle_bug+0x3a/0x70
[ 66.468639][ T4168] exc_invalid_op+0x16/0x40
[ 66.473160][ T4168] asm_exc_invalid_op+0x16/0x20
[ 66.478153][ T4168] RIP: 0010:nilfs_dat_commit_end+0x5ac/0x6b0
[ 66.484136][ T4168] Code: 8b 34 24 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 a8 4c 03 00 e8 33 1c 6e fe e8 8e d4 f6 fd e9 b8 fc ff ff e8 24 1c 6e fe <0f> 0b e9 16 fc ff ff e8 18 1c 6e fe e8 73 d4 f6 fd e9 74 fe ff ff
[ 66.503788][ T4168] RSP: 0018:ffffc90002daeb38 EFLAGS: 00010293
[ 66.509856][ T4168] RAX: ffffffff8309a5fc RBX: ffff88814c3651a0 RCX: ffff88807a795940
[ 66.517826][ T4168] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000009000002
[ 66.525794][ T4168] RBP: 0000000000000003 R08: dffffc0000000000 R09: ffffed100e1c981e
[ 66.533760][ T4168] R10: ffffed100e1c981e R11: 1ffff1100e1c981d R12: ffff88807a7970c8
[ 66.541727][ T4168] R13: ffff88807f009980 R14: 0000000009000002 R15: ffff88801abebc30
[ 66.549699][ T4168] ? nilfs_dat_commit_end+0x5ac/0x6b0
[ 66.555096][ T4168] ? nilfs_dat_commit_end+0x5ac/0x6b0
[ 66.560481][ T4168] nilfs_dat_commit_update+0x24/0x40
[ 66.565763][ T4168] nilfs_btree_commit_update_v+0x93/0x400
[ 66.571482][ T4168] nilfs_btree_propagate+0x974/0xd40
[ 66.576767][ T4168] nilfs_bmap_propagate+0x70/0x120
[ 66.581871][ T4168] nilfs_collect_file_data+0x4b/0xc0
[ 66.587153][ T4168] nilfs_segctor_apply_buffers+0x15d/0x320
[ 66.592956][ T4168] ? nilfs_segctor_end_finfo+0x5b0/0x5b0
[ 66.598584][ T4168] nilfs_segctor_do_construct+0x1882/0x6be0
[ 66.604526][ T4168] ? nilfs_transaction_unlock+0x220/0x220
[ 66.610334][ T4168] ? kasan_set_track+0x62/0x70
[ 66.615183][ T4168] ? clear_nonspinnable+0x60/0x60
[ 66.620203][ T4168] ? nilfs_construct_dsync_segment+0x54c/0x6e0
[ 66.626527][ T4168] ? __lock_acquire+0x7c60/0x7c60
[ 66.631548][ T4168] ? do_raw_spin_lock+0x11d/0x280
[ 66.636567][ T4168] ? __rwlock_init+0x140/0x140
[ 66.641332][ T4168] ? do_raw_spin_unlock+0x11d/0x230
[ 66.646547][ T4168] nilfs_construct_dsync_segment+0x5df/0x6e0
[ 66.652549][ T4168] ? nilfs_segctor_sync+0x3a0/0x3a0
[ 66.657763][ T4168] ? do_raw_spin_unlock+0x11d/0x230
[ 66.662978][ T4168] ? nilfs_writepages+0xc1/0x160
[ 66.667910][ T4168] ? nilfs_readpage+0x20/0x20
[ 66.672585][ T4168] do_writepages+0x48d/0x6d0
[ 66.677181][ T4168] ? filemap_fdatawrite_wbc+0x1e0/0x240
[ 66.682728][ T4168] ? __writepage+0x130/0x130
[ 66.687313][ T4168] ? __lock_acquire+0x7c60/0x7c60
[ 66.692334][ T4168] ? __rwlock_init+0x140/0x140
[ 66.697123][ T4168] ? do_raw_spin_unlock+0x11d/0x230
[ 66.702331][ T4168] filemap_fdatawrite_wbc+0x1eb/0x240
[ 66.707800][ T4168] filemap_write_and_wait_range+0xfa/0x380
[ 66.713608][ T4168] ? xas_next_entry+0x3d0/0x3d0
[ 66.718470][ T4168] __generic_file_write_iter+0x3af/0x4e0
[ 66.724106][ T4168] generic_file_write_iter+0xa6/0x1b0
[ 66.729508][ T4168] do_iter_readv_writev+0x497/0x600
[ 66.734716][ T4168] ? generic_file_rw_checks+0x280/0x280
[ 66.740266][ T4168] ? common_file_perm+0x171/0x1c0
[ 66.745288][ T4168] ? fsnotify_perm+0x5d/0x560
[ 66.750045][ T4168] ? security_file_permission+0x75/0xa0
[ 66.755592][ T4168] do_iter_write+0x205/0x7b0
[ 66.760272][ T4168] ? memset+0x1e/0x40
[ 66.764248][ T4168] ? iov_iter_bvec+0xb4/0x170
[ 66.768923][ T4168] iter_file_splice_write+0x65f/0xc40
[ 66.774366][ T4168] ? pipe_truncate+0x28c/0x390
[ 66.779166][ T4168] ? splice_from_pipe+0x150/0x150
[ 66.784185][ T4168] ? generic_file_splice_read+0x43f/0x590
[ 66.789916][ T4168] ? splice_shrink_spd+0xc0/0xc0
[ 66.794856][ T4168] ? splice_from_pipe+0x150/0x150
[ 66.799895][ T4168] direct_splice_actor+0xe1/0x130
[ 66.804922][ T4168] splice_direct_to_actor+0x4dc/0xb50
[ 66.810293][ T4168] ? do_splice_direct+0x2c0/0x2c0
[ 66.815317][ T4168] ? pipe_to_sendpage+0x310/0x310
[ 66.820332][ T4168] ? common_file_perm+0x171/0x1c0
[ 66.825351][ T4168] ? fsnotify_perm+0x5d/0x560
[ 66.830031][ T4168] ? security_file_permission+0x75/0xa0
[ 66.835571][ T4168] do_splice_direct+0x1b9/0x2c0
[ 66.840419][ T4168] ? splice_direct_to_actor+0xb50/0xb50
[ 66.845972][ T4168] ? rcu_read_lock_any_held+0xb0/0x120
[ 66.851430][ T4168] ? common_file_perm+0x171/0x1c0
[ 66.856464][ T4168] do_sendfile+0x5d5/0xec0
[ 66.860883][ T4168] ? do_pwritev+0x340/0x340
[ 66.865382][ T4168] ? __lock_acquire+0x7c60/0x7c60
[ 66.870407][ T4168] __se_sys_sendfile64+0x13b/0x190
[ 66.875534][ T4168] ? lock_chain_count+0x20/0x20
[ 66.880383][ T4168] ? __x64_sys_sendfile64+0xa0/0xa0
[ 66.885578][ T4168] ? lockdep_hardirqs_on+0x94/0x140
[ 66.890781][ T4168] do_syscall_64+0x4c/0xa0
[ 66.895190][ T4168] ? clear_bhb_loop+0x30/0x80
[ 66.899859][ T4168] ? clear_bhb_loop+0x30/0x80
[ 66.904534][ T4168] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 66.910446][ T4168] RIP: 0033:0x7f4315b55ad9
[ 66.914866][ T4168] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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
[ 66.934673][ T4168] RSP: 002b:00007ffe57958648 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[ 66.943179][ T4168] RAX: ffffffffffffffda RBX: 0032656c69662f2e RCX: 00007f4315b55ad9
[ 66.951246][ T4168] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
[ 66.959220][ T4168] RBP: 00007f4315bc95f0 R08: 000055556acbb4c0 R09: 000055556acbb4c0
[ 66.967215][ T4168] R10: 0000000000fffe80 R11: 0000000000000246 R12: 00007ffe57958670
[ 66.975189][ T4168] R13: 00007ffe57958898 R14: 431bde82d7b634db R15: 00007f4315b9e03b
[ 66.983167][ T4168]
[ 66.986503][ T4168] Kernel Offset: disabled
[ 66.991009][ T4168] Rebooting in 86400 seconds..