Warning: Permanently added '10.128.0.101' (ECDSA) to the list of known hosts. executing program [ 45.097054][ T3499] loop0: detected capacity change from 0 to 2048 [ 45.125063][ T3501] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.246319][ T3501] NILFS (loop0): nilfs_sufile_update: invalid segment number: 43 [ 45.259298][ T3501] ------------[ cut here ]------------ [ 45.266742][ T3501] WARNING: CPU: 1 PID: 3501 at fs/nilfs2/segment.c:1501 nilfs_segctor_do_construct+0x337f/0x7190 [ 45.278939][ T3501] Modules linked in: [ 45.286977][ T3501] CPU: 1 PID: 3501 Comm: segctord Not tainted 5.15.115-syzkaller #0 [ 45.298608][ T3501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 45.312192][ T3501] RIP: 0010:nilfs_segctor_do_construct+0x337f/0x7190 [ 45.321172][ T3501] Code: ff df 80 3c 08 00 74 08 4c 89 ef e8 4b d9 a3 fe 4d 8b 6d 00 4c 3b 6c 24 70 74 31 e8 9b 7e 5a fe e9 34 ff ff ff e8 91 7e 5a fe <0f> 0b eb c3 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 3f ff ff ff 4c executing program [ 45.344904][ T3501] RSP: 0018:ffffc90002cbf740 EFLAGS: 00010293 [ 45.353673][ T3501] RAX: ffffffff83257abf RBX: 00000000ffffffea RCX: ffff888015ba1dc0 [ 45.359562][ T3499] syz-executor804 (3499) used greatest stack depth: 18624 bytes left [ 45.365264][ T3501] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000 [ 45.384391][ T3501] RBP: ffffc90002cbfc30 R08: ffffffff83257a7d R09: ffffed10173667a0 [ 45.395369][ T3501] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000010 [ 45.414127][ T3501] R13: ffff88807526a008 R14: ffffc90002cbfa48 R15: ffff888071172160 [ 45.427440][ T3501] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 45.437190][ T3501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.443817][ T3501] CR2: 00007f42ebf65e18 CR3: 00000000232dc000 CR4: 00000000003506f0 [ 45.452988][ T3501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.461360][ T3501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.469685][ T3501] Call Trace: [ 45.473170][ T3501] <TASK> [ 45.476597][ T3501] ? __warn+0x15b/0x300 [ 45.480782][ T3501] ? nilfs_segctor_do_construct+0x337f/0x7190 [ 45.487307][ T3501] ? report_bug+0x1b7/0x2e0 [ 45.492096][ T3501] ? handle_bug+0x3d/0x70 [ 45.496868][ T3501] ? exc_invalid_op+0x16/0x40 [ 45.501865][ T3501] ? asm_exc_invalid_op+0x16/0x20 [ 45.507193][ T3501] ? nilfs_segctor_do_construct+0x333d/0x7190 [ 45.514202][ T3501] ? nilfs_segctor_do_construct+0x337f/0x7190 [ 45.520582][ T3501] ? nilfs_segctor_do_construct+0x337f/0x7190 [ 45.527005][ T3501] ? nilfs_transaction_unlock+0x210/0x210 [ 45.533001][ T3501] ? __up_read+0x690/0x690 [ 45.537872][ T3501] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 45.543363][ T3501] ? do_raw_spin_lock+0x14a/0x370 [ 45.549302][ T3501] ? __lock_acquire+0x1ff0/0x1ff0 [ 45.554354][ T3501] ? do_raw_spin_unlock+0x137/0x8b0 [ 45.560613][ T3501] ? _raw_spin_unlock+0x24/0x40 [ 45.565883][ T3501] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 45.571894][ T3501] nilfs_segctor_construct+0x145/0x8c0 [ 45.577951][ T3501] ? trace_nilfs2_transaction_transition+0x98/0x1f0 [ 45.584745][ T3501] nilfs_segctor_thread+0x512/0x1130 [ 45.590622][ T3501] ? nilfs_construction_timeout+0x40/0x40 [ 45.596664][ T3501] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 45.602660][ T3501] ? lockdep_hardirqs_on+0x94/0x130 [ 45.608195][ T3501] ? init_wait_entry+0xd0/0xd0 [ 45.613245][ T3501] kthread+0x3f6/0x4f0 [ 45.617847][ T3501] ? nilfs_construction_timeout+0x40/0x40 [ 45.623778][ T3501] ? kthread_blkcg+0xd0/0xd0 [ 45.628570][ T3501] ret_from_fork+0x1f/0x30 [ 45.634044][ T3501] </TASK> [ 45.637909][ T3501] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 45.646262][ T3501] CPU: 0 PID: 3501 Comm: segctord Not tainted 5.15.115-syzkaller #0 [ 45.657133][ T3501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 45.669026][ T3501] Call Trace: [ 45.673488][ T3501] <TASK> [ 45.677565][ T3501] dump_stack_lvl+0x1e3/0x2cb [ 45.682462][ T3501] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 45.688274][ T3501] ? panic+0x84d/0x84d [ 45.692634][ T3501] ? nilfs_segctor_do_construct+0x32c0/0x7190 [ 45.698884][ T3501] ? nilfs_segctor_do_construct+0x32c0/0x7190 [ 45.704970][ T3501] panic+0x318/0x84d [ 45.708867][ T3501] ? __warn+0x16a/0x300 [ 45.713194][ T3501] ? fb_is_primary_device+0xcc/0xcc [ 45.719005][ T3501] ? ret_from_fork+0x1f/0x30 [ 45.723847][ T3501] ? nilfs_segctor_do_construct+0x337f/0x7190 [ 45.729926][ T3501] __warn+0x2b2/0x300 [ 45.733915][ T3501] ? nilfs_segctor_do_construct+0x337f/0x7190 [ 45.740065][ T3501] report_bug+0x1b7/0x2e0 [ 45.744391][ T3501] handle_bug+0x3d/0x70 [ 45.748730][ T3501] exc_invalid_op+0x16/0x40 [ 45.753544][ T3501] asm_exc_invalid_op+0x16/0x20 [ 45.758835][ T3501] RIP: 0010:nilfs_segctor_do_construct+0x337f/0x7190 [ 45.766062][ T3501] Code: ff df 80 3c 08 00 74 08 4c 89 ef e8 4b d9 a3 fe 4d 8b 6d 00 4c 3b 6c 24 70 74 31 e8 9b 7e 5a fe e9 34 ff ff ff e8 91 7e 5a fe <0f> 0b eb c3 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 3f ff ff ff 4c [ 45.788029][ T3501] RSP: 0018:ffffc90002cbf740 EFLAGS: 00010293 [ 45.794441][ T3501] RAX: ffffffff83257abf RBX: 00000000ffffffea RCX: ffff888015ba1dc0 [ 45.802851][ T3501] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000 [ 45.811712][ T3501] RBP: ffffc90002cbfc30 R08: ffffffff83257a7d R09: ffffed10173667a0 [ 45.819952][ T3501] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000010 [ 45.828288][ T3501] R13: ffff88807526a008 R14: ffffc90002cbfa48 R15: ffff888071172160 [ 45.839916][ T3501] ? nilfs_segctor_do_construct+0x333d/0x7190 [ 45.846136][ T3501] ? nilfs_segctor_do_construct+0x337f/0x7190 [ 45.852953][ T3501] ? nilfs_transaction_unlock+0x210/0x210 [ 45.858771][ T3501] ? __up_read+0x690/0x690 [ 45.864066][ T3501] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 45.870098][ T3501] ? do_raw_spin_lock+0x14a/0x370 [ 45.875221][ T3501] ? __lock_acquire+0x1ff0/0x1ff0 [ 45.880258][ T3501] ? do_raw_spin_unlock+0x137/0x8b0 [ 45.885749][ T3501] ? _raw_spin_unlock+0x24/0x40 [ 45.890617][ T3501] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 45.896262][ T3501] nilfs_segctor_construct+0x145/0x8c0 [ 45.902072][ T3501] ? trace_nilfs2_transaction_transition+0x98/0x1f0 [ 45.909653][ T3501] nilfs_segctor_thread+0x512/0x1130 [ 45.915149][ T3501] ? nilfs_construction_timeout+0x40/0x40 [ 45.921565][ T3501] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 45.927737][ T3501] ? lockdep_hardirqs_on+0x94/0x130 [ 45.933195][ T3501] ? init_wait_entry+0xd0/0xd0 [ 45.938227][ T3501] kthread+0x3f6/0x4f0 [ 45.942290][ T3501] ? nilfs_construction_timeout+0x40/0x40 [ 45.948098][ T3501] ? kthread_blkcg+0xd0/0xd0 [ 45.952780][ T3501] ret_from_fork+0x1f/0x30 [ 45.957268][ T3501] </TASK> [ 45.960974][ T3501] Kernel Offset: disabled [ 45.965442][ T3501] Rebooting in 86400 seconds..