NILFS (loop5): invalid segment: Checksum error in segment payload NILFS (loop5): trying rollback from an earlier position NILFS (loop5): recovery complete NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds WARNING: CPU: 1 PID: 16430 at include/linux/backing-dev.h:340 inode_to_wb include/linux/backing-dev.h:340 [inline] WARNING: CPU: 1 PID: 16430 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 mm/page-writeback.c:2420 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 16430 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:inode_to_wb include/linux/backing-dev.h:340 [inline] RIP: 0010:account_page_dirtied+0x8cc/0xbb0 mm/page-writeback.c:2420 Code: 88 01 00 00 be ff ff ff ff 48 8d 78 70 e8 ec e1 ca ff 31 ff 89 c3 89 c6 e8 f1 b3 e2 ff 85 db 0f 85 39 f9 ff ff e8 74 b2 e2 ff <0f> 0b e9 2d f9 ff ff e8 68 b2 e2 ff 4c 89 e6 4c 89 ef e8 9d b3 2d RSP: 0018:ffff88802e7ef268 EFLAGS: 00010012 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90006323000 RDX: 00000000000039c8 RSI: ffffffff817fd2fc RDI: 0000000000000005 RBP: ffff888042adcb48 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffea00028f4e40 R13: ffff888042adc9c0 R14: ffff888042adc838 R15: ffffea00028f4e48 __set_page_dirty+0x7f/0x3e0 fs/buffer.c:582 mark_buffer_dirty+0x424/0x5c0 fs/buffer.c:1111 nilfs_btree_commit_convert_and_insert fs/nilfs2/btree.c:1812 [inline] nilfs_btree_convert_and_insert+0xed5/0x1250 fs/nilfs2/btree.c:1877 nilfs_bmap_do_insert fs/nilfs2/bmap.c:111 [inline] nilfs_bmap_insert+0x2a1/0x3f0 fs/nilfs2/bmap.c:147 BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 nilfs_mdt_insert_new_block fs/nilfs2/mdt.c:44 [inline] nilfs_mdt_create_block fs/nilfs2/mdt.c:93 [inline] nilfs_mdt_get_block+0x59a/0xd40 fs/nilfs2/mdt.c:254 nilfs_palloc_get_block+0xc4/0x2b0 fs/nilfs2/alloc.c:216 nilfs_palloc_get_entry_block+0x17b/0x230 fs/nilfs2/alloc.c:318 nilfs_dat_prepare_entry fs/nilfs2/dat.c:43 [inline] nilfs_dat_prepare_alloc fs/nilfs2/dat.c:69 [inline] nilfs_dat_prepare_alloc+0x61/0xb0 fs/nilfs2/dat.c:61 nilfs_bmap_prepare_alloc_ptr fs/nilfs2/bmap.h:183 [inline] nilfs_direct_insert+0x3cb/0x4e0 fs/nilfs2/direct.c:122 nilfs_bmap_do_insert fs/nilfs2/bmap.c:121 [inline] nilfs_bmap_insert+0x27a/0x3f0 fs/nilfs2/bmap.c:147 nilfs_get_block+0x4d5/0x970 fs/nilfs2/inode.c:96 __block_write_begin_int+0x46c/0x17b0 fs/buffer.c:1978 __block_write_begin fs/buffer.c:2028 [inline] block_write_begin+0x58/0x2e0 fs/buffer.c:2087 nilfs_write_begin+0xa5/0x1b0 fs/nilfs2/inode.c:267 __page_symlink+0x170/0x200 fs/namei.c:4834 nilfs_symlink+0x231/0x3c0 fs/nilfs2/namei.c:152 vfs_symlink+0x453/0x6c0 fs/namei.c:4129 do_symlinkat+0x258/0x2c0 fs/namei.c:4156 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f09b6e1a0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 RSP: 002b:00007f09b538c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007f09b6f39f80 RCX: 00007f09b6e1a0f9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000000 RBP: 00007f09b6e75ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffc3a7b25f R14: 00007f09b538c300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..