ext4 filesystem being mounted at /syzkaller.jZ4tio/17/file0 supports timestamps until 2038-01-19 (0x7fffffff) ------------[ cut here ]------------ Looking for class "&ei->i_data_sem" with key init_once.__key.799, but found a different class "&ei->i_data_sem" with the same key WARNING: CPU: 0 PID: 5156 at kernel/locking/lockdep.c:939 look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936 Modules linked in: CPU: 0 UID: 0 PID: 5156 Comm: syz-executor313 Not tainted 6.12.0-rc2-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936 Code: 01 0f 85 8a 00 00 00 c6 05 72 2c 41 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 20 eb 0a 8c e8 95 64 90 f5 90 <0f> 0b 90 90 eb 61 90 e8 18 fc f2 f8 e8 f3 9f af f5 48 c7 c7 60 ea RSP: 0018:ffffc90002def4f0 EFLAGS: 00010046 RAX: 88c89224e2bcc900 RBX: ffffffff93c93368 RCX: ffff888000608000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002def600 R08: ffffffff8155e402 R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff8880444ea040 R13: ffff8880444ea040 R14: ffff8880444ea040 R15: ffffffff9a5003a1 FS: 000055557a8c7380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f08136bb0f8 CR3: 0000000039b8c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: register_lock_class+0x102/0x980 kernel/locking/lockdep.c:1290 __lock_acquire+0xf0/0x2050 kernel/locking/lockdep.c:5077 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write_nested+0xa2/0x220 kernel/locking/rwsem.c:1693 swap_inode_boot_loader fs/ext4/ioctl.c:432 [inline] __ext4_ioctl fs/ext4/ioctl.c:1436 [inline] ext4_ioctl+0x4124/0x5590 fs/ext4/ioctl.c:1626 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f08136431a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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:00007ffc684598f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f08136431a9 RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000004 RBP: 00000000ffffffff R08: 0000000001000410 R09: 0000000001000410 R10: 0000000001000410 R11: 0000000000000246 R12: 00007ffc68459940 R13: 00007ffc68459980 R14: 0000000000040000 R15: 0000000000000003