input: syz0 as /devices/virtual/input/input453 BUG: unable to handle kernel paging request at ffffffffffffff80 PGD 9e6e067 P4D 9e6e067 PUD 9e70067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 26224 Comm: syz-executor.4 Not tainted 4.19.164-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:diFree+0x141/0x29c0 fs/jfs/jfs_imap.c:866 Code: 28 48 8d 78 80 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 13 22 00 00 48 8b 44 24 10 <48> 8b 68 80 48 8b 44 24 18 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 c1 RSP: 0018:ffff88804284f930 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8880b327c540 RCX: ffffc9000e463000 RDX: 1ffffffffffffff0 RSI: ffffffff827a8562 RDI: ffffffffffffff80 RBP: ffff88802a1f36a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802a1f36a8 R13: ffff88802a1f36d0 R14: ffffffff889abe80 R15: ffff8880a840a9b8 FS: 00007f6f0338a700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffff80 CR3: 00000000b37d0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jfs_evict_inode+0x126/0x170 fs/jfs/inode.c:164 evict+0x2ed/0x760 fs/inode.c:559 iput_final fs/inode.c:1555 [inline] iput+0x4f1/0x860 fs/inode.c:1581 diFreeSpecial fs/jfs/jfs_imap.c:563 [inline] diFreeSpecial+0x63/0x80 fs/jfs/jfs_imap.c:555 jfs_mount+0x23f/0x3d0 fs/jfs/jfs_mount.c:222 jfs_fill_super+0x55c/0xb50 fs/jfs/super.c:589 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x30c fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x113c/0x2f10 fs/namespace.c:2799 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x460c6a Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f6f03389a78 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f6f03389b10 RCX: 0000000000460c6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f6f03389ad0 RBP: 00007f6f03389ad0 R08: 00007f6f03389b10 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020064f00 Modules linked in: CR2: ffffffffffffff80 ---[ end trace 7de69e4c6f3d79fa ]--- RIP: 0010:diFree+0x141/0x29c0 fs/jfs/jfs_imap.c:866 Code: 28 48 8d 78 80 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 13 22 00 00 48 8b 44 24 10 <48> 8b 68 80 48 8b 44 24 18 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 c1 RSP: 0018:ffff88804284f930 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8880b327c540 RCX: ffffc9000e463000 RDX: 1ffffffffffffff0 RSI: ffffffff827a8562 RDI: ffffffffffffff80 RBP: ffff88802a1f36a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802a1f36a8 R13: ffff88802a1f36d0 R14: ffffffff889abe80 R15: ffff8880a840a9b8 FS: 00007f6f0338a700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffff80 CR3: 00000000b37d0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400