------------[ cut here ]------------ kernel BUG at fs/jffs2/nodelist.c:462! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6574 Comm: syz-executor.0 Not tainted 6.9.0-rc4-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:jffs2_del_ino_cache+0x24f/0x2c0 fs/jffs2/nodelist.c:462 Code: 4c 89 e2 49 8b 5e 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 71 49 89 1c 24 e9 42 ff ff ff e8 a2 f2 b2 fe 90 <0f> 0b e8 ea 6e 0f ff e9 5b fe ff ff e8 b0 6e 0f ff e9 59 ff ff ff RSP: 0018:ffffc9000ece7a88 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880252c6000 RCX: 0000000000000000 RDX: ffff88801fc8c880 RSI: ffffffff82db62ee RDI: ffff888026f0a020 RBP: 0000000000000006 R08: 0000000000000000 R09: ffffed1004a58c6d R10: ffff8880252c636b R11: 0000000000000003 R12: ffff88804ade0000 R13: dffffc0000000000 R14: ffff888026f0a000 R15: ffff88804ade00b8 FS: 0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000c000fa6000 CR3: 000000001b112000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jffs2_do_clear_inode+0x3bf/0x470 fs/jffs2/readinode.c:1443 evict+0x2ed/0x6c0 fs/inode.c:667 dispose_list+0x117/0x1e0 fs/inode.c:700 evict_inodes+0x34e/0x450 fs/inode.c:750 generic_shutdown_super+0xb5/0x3d0 fs/super.c:626 kill_mtd_super+0x1d/0x80 drivers/mtd/mtdsuper.c:174 jffs2_kill_sb+0x7c/0xb0 fs/jffs2/super.c:349 deactivate_locked_super+0xbe/0x1a0 fs/super.c:472 deactivate_super+0xde/0x100 fs/super.c:505 cleanup_mnt+0x222/0x450 fs/namespace.c:1267 task_work_run+0x14e/0x250 kernel/task_work.c:180 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa7d/0x2c10 kernel/exit.c:878 do_group_exit+0xd3/0x2a0 kernel/exit.c:1027 __do_sys_exit_group kernel/exit.c:1038 [inline] __se_sys_exit_group kernel/exit.c:1036 [inline] __ia32_sys_exit_group+0x3e/0x50 kernel/exit.c:1036 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x75/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7296579 Code: Unable to access opcode bytes at 0xf729654f. RSP: 002b:00000000ffc65dcc EFLAGS: 00000282 ORIG_RAX: 00000000000000fc RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000ffc65ed0 RDX: 00000000f72c2167 RSI: 0000000000000000 RDI: 00000000f733d1b5 RBP: 00000000ffc65e28 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:jffs2_del_ino_cache+0x24f/0x2c0 fs/jffs2/nodelist.c:462 Code: 4c 89 e2 49 8b 5e 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 71 49 89 1c 24 e9 42 ff ff ff e8 a2 f2 b2 fe 90 <0f> 0b e8 ea 6e 0f ff e9 5b fe ff ff e8 b0 6e 0f ff e9 59 ff ff ff RSP: 0018:ffffc9000ece7a88 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880252c6000 RCX: 0000000000000000 RDX: ffff88801fc8c880 RSI: ffffffff82db62ee RDI: ffff888026f0a020 RBP: 0000000000000006 R08: 0000000000000000 R09: ffffed1004a58c6d R10: ffff8880252c636b R11: 0000000000000003 R12: ffff88804ade0000 R13: dffffc0000000000 R14: ffff888026f0a000 R15: ffff88804ade00b8 FS: 0000000000000000(0000) GS:ffff88802c200000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f74ca0c4 CR3: 0000000063a00000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400