exFAT-fs (loop0): Filesystem has been set read-only exFAT-fs (loop0): failed to initialize root inode INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 2 PID: 13497 Comm: syz-executor.0 Not tainted 5.9.0-rc7-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x198/0x1fd lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:894 [inline] register_lock_class+0x157d/0x1630 kernel/locking/lockdep.c:1206 __lock_acquire+0x101/0x5780 kernel/locking/lockdep.c:4320 lock_acquire+0x1f3/0xaf0 kernel/locking/lockdep.c:5029 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] exfat_cache_inval_inode+0x2a/0x310 fs/exfat/cache.c:226 exfat_evict_inode+0x76/0x33e fs/exfat/inode.c:660 evict+0x2ed/0x750 fs/inode.c:576 iput_final fs/inode.c:1652 [inline] iput.part.0+0x424/0x850 fs/inode.c:1678 iput+0x58/0x70 fs/inode.c:1668 exfat_fill_super.cold+0x32/0x65a fs/exfat/super.c:681 get_tree_bdev+0x421/0x740 fs/super.c:1342 vfs_get_tree+0x89/0x2f0 fs/super.c:1547 do_new_mount fs/namespace.c:2875 [inline] path_mount+0x1387/0x20a0 fs/namespace.c:3192 do_mount+0xf3/0x110 fs/namespace.c:3205 __do_compat_sys_mount fs/compat.c:122 [inline] __se_compat_sys_mount fs/compat.c:89 [inline] __ia32_compat_sys_mount+0x193/0x710 fs/compat.c:89 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline] __do_fast_syscall_32+0x60/0x90 arch/x86/entry/common.c:137 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f35549 Code: 03 74 c0 01 10 05 03 74 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 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f552ef00 EFLAGS: 00000292 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f552ef70 RCX: 0000000020000100 RDX: 0000000020000000 RSI: 0000000000000000 RDI: 00000000f552efb0 RBP: 00000000f552efb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 2 PID: 13497 Comm: syz-executor.0 Not tainted 5.9.0-rc7-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:__list_del_entry_valid+0x1d/0xef lib/list_debug.c:42 Code: 48 8b 34 24 eb b4 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 55 41 54 55 48 89 fd 48 83 c7 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a0 00 00 00 48 89 ea 4c 8b 65 08 48 b8 00 00 00 RSP: 0018:ffffc90005257a38 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffc90001579000 RDX: 0000000000000001 RSI: ffffffff82246855 RDI: 0000000000000008 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000a4af3d R11: 0000000000000000 R12: ffffed100ad8e84b R13: ffff888056c74358 R14: 0000000000000008 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802d000000(0063) knlGS:00000000f552fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000014d77d0 CR3: 0000000057a42000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:132 [inline] list_del_init include/linux/list.h:204 [inline] __exfat_cache_inval_inode fs/exfat/cache.c:212 [inline] exfat_cache_inval_inode+0xb3/0x310 fs/exfat/cache.c:227 exfat_evict_inode+0x76/0x33e fs/exfat/inode.c:660 evict+0x2ed/0x750 fs/inode.c:576 iput_final fs/inode.c:1652 [inline] iput.part.0+0x424/0x850 fs/inode.c:1678 iput+0x58/0x70 fs/inode.c:1668 exfat_fill_super.cold+0x32/0x65a fs/exfat/super.c:681 get_tree_bdev+0x421/0x740 fs/super.c:1342 vfs_get_tree+0x89/0x2f0 fs/super.c:1547 do_new_mount fs/namespace.c:2875 [inline] path_mount+0x1387/0x20a0 fs/namespace.c:3192 do_mount+0xf3/0x110 fs/namespace.c:3205 __do_compat_sys_mount fs/compat.c:122 [inline] __se_compat_sys_mount fs/compat.c:89 [inline] __ia32_compat_sys_mount+0x193/0x710 fs/compat.c:89 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline] __do_fast_syscall_32+0x60/0x90 arch/x86/entry/common.c:137 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f35549 Code: 03 74 c0 01 10 05 03 74 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 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f552ef00 EFLAGS: 00000292 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f552ef70 RCX: 0000000020000100 RDX: 0000000020000000 RSI: 0000000000000000 RDI: 00000000f552efb0 RBP: 00000000f552efb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace def17bf0e5cd59e4 ]--- RIP: 0010:__list_del_entry_valid+0x1d/0xef lib/list_debug.c:42 Code: 48 8b 34 24 eb b4 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 55 41 54 55 48 89 fd 48 83 c7 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a0 00 00 00 48 89 ea 4c 8b 65 08 48 b8 00 00 00 RSP: 0018:ffffc90005257a38 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffc90001579000 RDX: 0000000000000001 RSI: ffffffff82246855 RDI: 0000000000000008 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000a4af3d R11: 0000000000000000 R12: ffffed100ad8e84b R13: ffff888056c74358 R14: 0000000000000008 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802d000000(0063) knlGS:00000000f552fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000014d77d0 CR3: 0000000057a42000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400