NILFS (loop0): nilfs_palloc_commit_free_entry (ino=6): entry number 6 already freed ------------[ cut here ]------------ kernel BUG at fs/inode.c:678! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3579 Comm: syz-executor.0 Not tainted 6.1.94-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:evict+0x615/0x620 fs/inode.c:678 Code: fe c1 38 c1 0f 8c de fc ff ff 4c 89 ff e8 f3 52 e9 ff e9 d1 fc ff ff e8 b9 d2 91 ff 0f 0b e8 b2 d2 91 ff 0f 0b e8 ab d2 91 ff <0f> 0b e8 a4 d2 91 ff 0f 0b 66 90 41 56 53 49 89 fe e8 95 d2 91 ff RSP: 0000:ffffc90003befa48 EFLAGS: 00010293 RAX: ffffffff81f8c0a5 RBX: 0000000000000064 RCX: ffff888027e68000 RDX: 0000000000000000 RSI: 0000000000000064 RDI: 0000000000000060 RBP: ffff88805575a850 R08: ffffffff81f8bf36 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88805575a7f0 R13: ffff88805575a850 R14: dffffc0000000000 R15: ffff88805575a7c8 FS: 00005555567b9480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4c7c812000 CR3: 000000005a447000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_put_root+0x93/0xb0 fs/nilfs2/the_nilfs.c:910 nilfs_segctor_destroy fs/nilfs2/segment.c:2825 [inline] nilfs_detach_log_writer+0x8c5/0xbd0 fs/nilfs2/segment.c:2887 nilfs_put_super+0x49/0x150 fs/nilfs2/super.c:498 generic_shutdown_super+0x130/0x340 fs/super.c:501 kill_block_super+0x7a/0xe0 fs/super.c:1459 deactivate_locked_super+0xa0/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1186 task_work_run+0x246/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fdfeb07e3d7 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffdee52bc88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdfeb07e3d7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdee52bd40 RBP: 00007ffdee52bd40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdee52cdf0 R13: 00007fdfeb0d96c6 R14: 0000000000019665 R15: 0000000000000005 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:evict+0x615/0x620 fs/inode.c:678 Code: fe c1 38 c1 0f 8c de fc ff ff 4c 89 ff e8 f3 52 e9 ff e9 d1 fc ff ff e8 b9 d2 91 ff 0f 0b e8 b2 d2 91 ff 0f 0b e8 ab d2 91 ff <0f> 0b e8 a4 d2 91 ff 0f 0b 66 90 41 56 53 49 89 fe e8 95 d2 91 ff RSP: 0000:ffffc90003befa48 EFLAGS: 00010293 RAX: ffffffff81f8c0a5 RBX: 0000000000000064 RCX: ffff888027e68000 RDX: 0000000000000000 RSI: 0000000000000064 RDI: 0000000000000060 RBP: ffff88805575a850 R08: ffffffff81f8bf36 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88805575a7f0 R13: ffff88805575a850 R14: dffffc0000000000 R15: ffff88805575a7c8 FS: 00005555567b9480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4c7c812000 CR3: 000000005a447000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400