------------[ cut here ]------------ kernel BUG at fs/inode.c:624! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 5186 Comm: syz-executor.3 Not tainted 6.5.0-rc5-syzkaller-00029-g14f9643dc90a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:clear_inode+0x153/0x190 fs/inode.c:624 Code: 48 c7 83 d8 00 00 00 60 00 00 00 5b 5d 41 5c c3 e8 02 a9 95 ff 0f 0b e8 fb a8 95 ff 0f 0b e8 f4 a8 95 ff 0f 0b e8 ed a8 95 ff <0f> 0b e8 e6 a8 95 ff 0f 0b e8 df b1 e9 ff e9 db fe ff ff e8 d5 b1 RSP: 0018:ffffc900041a7ab0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806c9f2980 RCX: 0000000000000000 RDX: ffff88801e962400 RSI: ffffffff81f05f33 RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 000000000000f241 R12: 0000000000000020 R13: ffff88804deca000 R14: 0000000000000000 R15: ffff88806c9f2980 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:0000000056b2f400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000c012622000 CR3: 0000000075d59000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_evict_inode+0x51d/0xe30 fs/btrfs/inode.c:5364 evict+0x2ed/0x6b0 fs/inode.c:665 dispose_list+0x117/0x1e0 fs/inode.c:698 evict_inodes+0x34f/0x450 fs/inode.c:748 generic_shutdown_super+0xaf/0x480 fs/super.c:478 kill_anon_super+0x3a/0x60 fs/super.c:1110 btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2138 deactivate_locked_super+0x9a/0x170 fs/super.c:330 deactivate_super+0xde/0x100 fs/super.c:361 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254 task_work_run+0x14d/0x240 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 __do_fast_syscall_32+0x6d/0xe0 arch/x86/entry/common.c:181 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7feb579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffad3938 EFLAGS: 00000292 ORIG_RAX: 0000000000000034 RAX: 0000000000000000 RBX: 00000000ffad39e0 RCX: 000000000000000a RDX: 00000000f7353ff4 RSI: 00000000f72a53bd RDI: 00000000ffad4a84 RBP: 00000000ffad39e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_inode+0x153/0x190 fs/inode.c:624 Code: 48 c7 83 d8 00 00 00 60 00 00 00 5b 5d 41 5c c3 e8 02 a9 95 ff 0f 0b e8 fb a8 95 ff 0f 0b e8 f4 a8 95 ff 0f 0b e8 ed a8 95 ff <0f> 0b e8 e6 a8 95 ff 0f 0b e8 df b1 e9 ff e9 db fe ff ff e8 d5 b1 RSP: 0018:ffffc900041a7ab0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806c9f2980 RCX: 0000000000000000 RDX: ffff88801e962400 RSI: ffffffff81f05f33 RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 000000000000f241 R12: 0000000000000020 R13: ffff88804deca000 R14: 0000000000000000 R15: ffff88806c9f2980 FS: 0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:0000000056b2f400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000c00a87b138 CR3: 0000000075d59000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi