Warning: Permanently added '10.128.10.35' (ED25519) to the list of known hosts. 2025/11/17 14:38:19 parsed 1 programs [ 60.421509][ T1894] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2025/11/17 14:38:22 executed programs: 0 [ 65.129415][ T2851] loop3: detected capacity change from 0 to 1024 [ 65.136066][ T2851] ======================================================= [ 65.136066][ T2851] WARNING: The mand mount option has been deprecated and [ 65.136066][ T2851] and is ignored by this kernel. Remove the mand [ 65.136066][ T2851] option from the mount to silence this warning. [ 65.136066][ T2851] ======================================================= [ 65.178412][ T2851] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 65.192979][ T2851] EXT4-fs error (device loop3): ext4_free_blocks:6706: comm syz.3.16: Freeing blocks not in datazone - block = 0, count = 0 [ 65.206240][ T2855] syz.3.16 (2855) used greatest stack depth: 11416 bytes left [ 65.206302][ T2851] EXT4-fs error (device loop3): ext4_free_blocks:6706: comm syz.3.16: Freeing blocks not in datazone - block = 0, count = 16 [ 65.227775][ T2851] ------------[ cut here ]------------ [ 65.233198][ T2851] kernel BUG at fs/ext4/extents.c:3206! [ 65.238727][ T2851] Oops: invalid opcode: 0000 [#1] SMP NOPTI [ 65.244582][ T2851] CPU: 1 UID: 0 PID: 2851 Comm: syz.3.16 Not tainted syzkaller #0 PREEMPT(none) [ 65.253641][ T2851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 65.263659][ T2851] RIP: 0010:ext4_split_extent_at+0x5cc/0x5f0 [ 65.269595][ T2851] Code: ff ff 85 c0 0f 85 ea fc ff ff 48 8d 74 24 68 4c 89 f7 e8 87 00 00 00 49 89 df e9 2f fd ff ff b2 01 84 d2 0f 84 ca fa ff ff 90 <0f> 0b e8 7d 4d 99 00 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b [ 65.289243][ T2851] RSP: 0018:ffffc900020cb4b8 EFLAGS: 00010202 [ 65.295262][ T2851] RAX: 0000000000008001 RBX: ffff88810df6ce40 RCX: 0000000000000016 [ 65.303189][ T2851] RDX: 0000000000000001 RSI: 0000000000000010 RDI: 0000000000000015 [ 65.311121][ T2851] RBP: 0000000000000030 R08: 0000000000000017 R09: 0000000000000001 [ 65.319052][ T2851] R10: 0000000000000017 R11: 0000800100000020 R12: ffff88811aff5430 [ 65.326981][ T2851] R13: 0000000000000001 R14: 0000000000000001 R15: ffff88811527c198 [ 65.334916][ T2851] FS: 00007f224c96f6c0(0000) GS:ffff8882b48c4000(0000) knlGS:0000000000000000 [ 65.343803][ T2851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.350343][ T2851] CR2: 000020000000a000 CR3: 000000010ef27000 CR4: 0000000000350ef0 [ 65.358274][ T2851] Call Trace: [ 65.361520][ T2851] [ 65.364414][ T2851] ? srso_alias_return_thunk+0x5/0xfbef5 [ 65.370094][ T2851] ? __read_extent_tree_block+0x70/0x270 [ 65.375688][ T2851] ? srso_alias_return_thunk+0x5/0xfbef5 [ 65.381280][ T2851] ? ext4_find_extent+0x275/0x420 [ 65.386263][ T2851] ext4_split_extent+0x120/0x1f0 [ 65.391157][ T2851] ext4_ext_map_blocks+0xae6/0x20b0 [ 65.396313][ T2851] ? ext4_es_lookup_extent+0x7c/0x2e0 [ 65.401646][ T2851] ext4_map_blocks+0x27c/0x590 [ 65.406369][ T2851] ? srso_alias_return_thunk+0x5/0xfbef5 [ 65.411960][ T2851] ? mlock_drain_local+0x30/0x160 [ 65.416942][ T2851] ext4_do_writepages+0x6ba/0x1380 [ 65.422018][ T2851] ? do_writepages+0xcd/0x1f0 [ 65.426651][ T2851] ext4_writepages+0x153/0x250 [ 65.431377][ T2851] do_writepages+0xcd/0x1f0 [ 65.435836][ T2851] ? srso_alias_return_thunk+0x5/0xfbef5 [ 65.441425][ T2851] ? file_write_and_wait_range+0xa6/0x1d0 [ 65.447105][ T2851] file_write_and_wait_range+0xb1/0x1d0 [ 65.452605][ T2851] ? ext4_mark_iloc_dirty+0x4c8/0x630 [ 65.457938][ T2851] generic_buffers_fsync_noflush+0x1c/0x70 [ 65.463700][ T2851] ext4_sync_file+0xfe/0x3e0 [ 65.468246][ T2851] ext4_buffered_write_iter+0x137/0x170 [ 65.473750][ T2851] do_iter_readv_writev+0x19b/0x1e0 [ 65.478905][ T2851] vfs_writev+0x237/0x4d0 [ 65.483194][ T2851] ? __fget_files+0xc7/0xf0 [ 65.487656][ T2851] __se_sys_pwritev2+0x65/0x100 [ 65.492462][ T2851] do_syscall_64+0xe2/0x2f0 [ 65.496928][ T2851] ? fpregs_assert_state_consistent+0x2c/0x60 [ 65.502954][ T2851] ? srso_alias_return_thunk+0x5/0xfbef5 [ 65.508542][ T2851] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.514392][ T2851] RIP: 0033:0x7f224cefe929 [ 65.518769][ T2851] 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 [ 65.538422][ T2851] RSP: 002b:00007f224c96f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 65.546791][ T2851] RAX: ffffffffffffffda RBX: 00007f224d125fa0 RCX: 00007f224cefe929 [ 65.554721][ T2851] RDX: 0000000000000001 RSI: 0000200000000100 RDI: 0000000000000004 [ 65.562655][ T2851] RBP: 00007f224cf80b39 R08: 0000000000000000 R09: 0000000000000000 [ 65.570623][ T2851] R10: 0000000000005412 R11: 0000000000000246 R12: 0000000000000000 [ 65.578553][ T2851] R13: 0000000000000000 R14: 00007f224d125fa0 R15: 00007ffcd728efb8 [ 65.586488][ T2851] [ 65.589468][ T2851] Modules linked in: [ 65.593462][ T2851] ---[ end trace 0000000000000000 ]--- [ 65.598909][ T2851] RIP: 0010:ext4_split_extent_at+0x5cc/0x5f0 [ 65.604859][ T2851] Code: ff ff 85 c0 0f 85 ea fc ff ff 48 8d 74 24 68 4c 89 f7 e8 87 00 00 00 49 89 df e9 2f fd ff ff b2 01 84 d2 0f 84 ca fa ff ff 90 <0f> 0b e8 7d 4d 99 00 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b [ 65.624453][ T2851] RSP: 0018:ffffc900020cb4b8 EFLAGS: 00010202 [ 65.630501][ T2851] RAX: 0000000000008001 RBX: ffff88810df6ce40 RCX: 0000000000000016 [ 65.638470][ T2851] RDX: 0000000000000001 RSI: 0000000000000010 RDI: 0000000000000015 [ 65.646406][ T2851] RBP: 0000000000000030 R08: 0000000000000017 R09: 0000000000000001 [ 65.654359][ T2851] R10: 0000000000000017 R11: 0000800100000020 R12: ffff88811aff5430 [ 65.662340][ T2851] R13: 0000000000000001 R14: 0000000000000001 R15: ffff88811527c198 [ 65.670293][ T2851] FS: 00007f224c96f6c0(0000) GS:ffff8882b48c4000(0000) knlGS:0000000000000000 [ 65.679204][ T2851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.685749][ T2851] CR2: 000020000000a000 CR3: 000000010ef27000 CR4: 0000000000350ef0 [ 65.693700][ T2851] Kernel panic - not syncing: Fatal exception [ 65.699990][ T2851] Kernel Offset: disabled [ 65.704278][ T2851] Rebooting in 86400 seconds..