loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS' sector size (2048) and media sector size (512) BUG: unable to handle page fault for address: ffffed1104afc76f #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 23ffef067 P4D 23ffef067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4354 Comm: syz-executor336 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline] RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline] RIP: 0010:test_ti_thread_flag include/linux/thread_info.h:118 [inline] RIP: 0010:need_resched include/linux/sched.h:2111 [inline] RIP: 0010:preempt_schedule_irq+0xf6/0x150 kernel/sched/core.c:6783 Code: 90 76 d4 f7 bf 01 00 00 00 e8 96 f2 a7 f7 65 48 8b 1d 2e 06 59 76 48 89 df be 08 00 00 00 e8 31 c9 13 f8 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 91 48 89 df e8 8b c7 13 f8 eb 87 48 c7 04 24 0e RSP: 0018:ffffc9000328f9e0 EFLAGS: 00010802 RAX: 1ffff11004afc770 RBX: ffff8880257e3b80 RCX: ffffffff89a9699f RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880257e3b80 RBP: ffffc9000328fa90 R08: dffffc0000000000 R09: ffffed1004afc771 R10: ffffed1004afc771 R11: 1ffff11004afc770 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc00ffffffff R15: 1ffff92000651f3c FS: 0000555576bd7380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1104afc76f CR3: 000000001ff0f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: irqentry_exit+0x63/0x70 kernel/entry/common.c:432 asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:681 RIP: 0010:memcpy_erms+0x6/0x10 arch/x86/lib/memcpy_64.S:55 Code: fe ff ff 00 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 90 90 90 90 90 90 48 89 f8 48 89 d1 a4 c3 90 90 90 90 90 90 90 48 89 f8 48 83 fa 20 72 7e 40 38 fe RSP: 0000:ffffc9000328fb58 EFLAGS: 00010202 RAX: ffff8880789e4000 RBX: 0000000000000000 RCX: 0000000000000830 RDX: 0000000000000a00 RSI: ffff88806d7eb1d0 RDI: ffff8880789e41d0 RBP: ffffc9000328fd28 R08: dffffc0000000000 R09: ffffed100f13c940 R10: 0000000000000000 R11: 0000000000000140 R12: ffff888078638000 R13: ffffea0001b5fac0 R14: ffff88802246e1f0 R15: 0000000000000000 ntfs_fill_super+0x302e/0x3c10 fs/ntfs3/super.c:1153 get_tree_bdev+0x3f1/0x610 fs/super.c:1325 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3013 do_mount fs/namespace.c:3356 [inline] __do_sys_mount fs/namespace.c:3564 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3541 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fe6e566079a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffa0625ce8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fffa0625d00 RCX: 00007fe6e566079a RDX: 000020000001f340 RSI: 0000200000000040 RDI: 00007fffa0625d00 RBP: 0000200000000040 R08: 00007fffa0625d40 R09: 000000000001f32b R10: 0000000000000890 R11: 0000000000000286 R12: 000020000001f340 R13: 00007fffa0625d40 R14: 0000000000000003 R15: 0000000000000890 Modules linked in: CR2: ffffed1104afc76f ---[ end trace 670b60ebbe1dff05 ]--- RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline] RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline] RIP: 0010:test_ti_thread_flag include/linux/thread_info.h:118 [inline] RIP: 0010:need_resched include/linux/sched.h:2111 [inline] RIP: 0010:preempt_schedule_irq+0xf6/0x150 kernel/sched/core.c:6783 Code: 90 76 d4 f7 bf 01 00 00 00 e8 96 f2 a7 f7 65 48 8b 1d 2e 06 59 76 48 89 df be 08 00 00 00 e8 31 c9 13 f8 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 91 48 89 df e8 8b c7 13 f8 eb 87 48 c7 04 24 0e RSP: 0018:ffffc9000328f9e0 EFLAGS: 00010802 RAX: 1ffff11004afc770 RBX: ffff8880257e3b80 RCX: ffffffff89a9699f RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880257e3b80 RBP: ffffc9000328fa90 R08: dffffc0000000000 R09: ffffed1004afc771 R10: ffffed1004afc771 R11: 1ffff11004afc770 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc00ffffffff R15: 1ffff92000651f3c FS: 0000555576bd7380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1104afc76f CR3: 000000001ff0f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 90 nop 1: 76 d4 jbe 0xffffffd7 3: f7 bf 01 00 00 00 idivl 0x1(%rdi) 9: e8 96 f2 a7 f7 call 0xf7a7f2a4 e: 65 48 8b 1d 2e 06 59 mov %gs:0x7659062e(%rip),%rbx # 0x76590644 15: 76 16: 48 89 df mov %rbx,%rdi 19: be 08 00 00 00 mov $0x8,%esi 1e: e8 31 c9 13 f8 call 0xf813c954 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2f: 74 91 je 0xffffffc2 31: 48 89 df mov %rbx,%rdi 34: e8 8b c7 13 f8 call 0xf813c7c4 39: eb 87 jmp 0xffffffc2 3b: 48 rex.W 3c: c7 .byte 0xc7 3d: 04 24 add $0x24,%al 3f: 0e (bad)