BUG: unable to handle page fault for address: fffff52100646f2b #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 23ffee067 P4D 23ffee067 PUD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7095 Comm: syz-executor.1 Not tainted 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:write_inode_now+0x27c/0x2f0 fs/fs-writeback.c:2800 Code: 0a 00 00 31 d2 e8 a4 ed 76 ff 2e 2e 2e 31 c0 4c 89 ff 48 8d 74 24 40 e8 82 00 00 00 48 c7 44 24 20 0e 36 e0 45 48 8b 4c 24 18 <41> c7 04 0e 00 00 00 00 41 c7 44 0e 10 00 00 00 00 65 48 8b 0c 25 RSP: 0018:ffffc90003237940 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff92000646f2c RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffffc90003237a48 R08: dffffc0000000000 R09: ffffed100e5f1994 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072f8cc10 R13: ffff888072f8cc10 R14: dffffc00ffffffff R15: ffff888072f8cc10 FS: 00007fb3f70296c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffff52100646f2b CR3: 00000000161c6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000004 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: iput_final fs/inode.c:1692 [inline] iput+0x5ce/0x8b0 fs/inode.c:1731 ntfs_fill_super+0x3b47/0x4350 fs/ntfs3/super.c:1185 get_tree_bdev+0x3fe/0x620 fs/super.c:1312 vfs_get_tree+0x88/0x270 fs/super.c:1517 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fb3f8acb4ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb3f7028ef8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb3f7028f80 RCX: 00007fb3f8acb4ea RDX: 000000002001f380 RSI: 0000000020000000 RDI: 00007fb3f7028f40 RBP: 000000002001f380 R08: 00007fb3f7028f80 R09: 0000000001010010 R10: 0000000001010010 R11: 0000000000000206 R12: 0000000020000000 R13: 00007fb3f7028f40 R14: 000000000001f381 R15: 00000000200000c0 Modules linked in: CR2: fffff52100646f2b ---[ end trace fd37020d8a28bafb ]--- RIP: 0010:write_inode_now+0x27c/0x2f0 fs/fs-writeback.c:2800 Code: 0a 00 00 31 d2 e8 a4 ed 76 ff 2e 2e 2e 31 c0 4c 89 ff 48 8d 74 24 40 e8 82 00 00 00 48 c7 44 24 20 0e 36 e0 45 48 8b 4c 24 18 <41> c7 04 0e 00 00 00 00 41 c7 44 0e 10 00 00 00 00 65 48 8b 0c 25 RSP: 0018:ffffc90003237940 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff92000646f2c RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffffc90003237a48 R08: dffffc0000000000 R09: ffffed100e5f1994 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072f8cc10 R13: ffff888072f8cc10 R14: dffffc00ffffffff R15: ffff888072f8cc10 FS: 00007fb3f70296c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffff52100646f2b CR3: 00000000161c6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000004 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0a 00 or (%rax),%al 2: 00 31 add %dh,(%rcx) 4: d2 e8 shr %cl,%al 6: a4 movsb %ds:(%rsi),%es:(%rdi) 7: ed in (%dx),%eax 8: 76 ff jbe 0x9 a: 2e 2e 2e 31 c0 cs cs cs xor %eax,%eax f: 4c 89 ff mov %r15,%rdi 12: 48 8d 74 24 40 lea 0x40(%rsp),%rsi 17: e8 82 00 00 00 call 0x9e 1c: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp) 23: e0 45 25: 48 8b 4c 24 18 mov 0x18(%rsp),%rcx * 2a: 41 c7 04 0e 00 00 00 movl $0x0,(%r14,%rcx,1) <-- trapping instruction 31: 00 32: 41 c7 44 0e 10 00 00 movl $0x0,0x10(%r14,%rcx,1) 39: 00 00 3b: 65 gs 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 0c 25 or $0x25,%al