BUG: unable to handle page fault for address: ffffed1048c74dff #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 23fff2067 P4D 23fff2067 PUD 23fff0067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 418 Comm: syz-executor.5 Not tainted 6.1.118-syzkaller-1166347-g4c2d86d81fa6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:fuse_dev_do_write+0x3b68/0x62b0 fs/fuse/dev.c:1946 Code: ff df 4d 8b 6d 00 4c 89 e0 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 6d 25 00 00 45 8b 24 24 41 ff cc 4d 01 ec 4c 89 e0 48 c1 e8 03 <0f> b6 04 10 84 c0 0f 85 78 25 00 00 41 c6 04 24 00 41 80 3c 17 00 RSP: 0018:ffffc900c19b7820 EFLAGS: 00010a07 RAX: 1ffff11048c74dff RBX: ffff888128e0b000 RCX: ffff88811733bcc0 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900c19b7b50 R08: ffffffff8213ca25 R09: fffff94000919997 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8882463a6fff R13: ffff8881463a7000 R14: ffff888128e0b000 R15: 1ffff110251c1604 FS: 00007fda09c9b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1048c74dff CR3: 0000000135b2a000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fuse_dev_write+0x144/0x1d0 fs/fuse/dev.c:1996 call_write_iter include/linux/fs.h:2274 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0xaf6/0xed0 fs/read_write.c:584 ksys_write+0x199/0x2c0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fda08e7c959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fda09c9b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fda08f9c050 RCX: 00007fda08e7c959 RDX: 0000000000000010 RSI: 00000000200042c0 RDI: 0000000000000003 RBP: 00007fda08ed8c88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fda08f9c050 R15: 00007fffeb8580a8 Modules linked in: CR2: ffffed1048c74dff ---[ end trace 0000000000000000 ]--- RIP: 0010:fuse_dev_do_write+0x3b68/0x62b0 fs/fuse/dev.c:1946 Code: ff df 4d 8b 6d 00 4c 89 e0 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 6d 25 00 00 45 8b 24 24 41 ff cc 4d 01 ec 4c 89 e0 48 c1 e8 03 <0f> b6 04 10 84 c0 0f 85 78 25 00 00 41 c6 04 24 00 41 80 3c 17 00 RSP: 0018:ffffc900c19b7820 EFLAGS: 00010a07 RAX: 1ffff11048c74dff RBX: ffff888128e0b000 RCX: ffff88811733bcc0 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900c19b7b50 R08: ffffffff8213ca25 R09: fffff94000919997 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8882463a6fff R13: ffff8881463a7000 R14: ffff888128e0b000 R15: 1ffff110251c1604 FS: 00007fda09c9b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1048c74dff CR3: 0000000135b2a000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 4d 8b fisttps -0x75(%rbp) 3: 6d insl (%dx),%es:(%rdi) 4: 00 4c 89 e0 add %cl,-0x20(%rcx,%rcx,4) 8: 48 c1 e8 03 shr $0x3,%rax c: 0f b6 04 10 movzbl (%rax,%rdx,1),%eax 10: 84 c0 test %al,%al 12: 0f 85 6d 25 00 00 jne 0x2585 18: 45 8b 24 24 mov (%r12),%r12d 1c: 41 ff cc dec %r12d 1f: 4d 01 ec add %r13,%r12 22: 4c 89 e0 mov %r12,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 0f b6 04 10 movzbl (%rax,%rdx,1),%eax <-- trapping instruction 2d: 84 c0 test %al,%al 2f: 0f 85 78 25 00 00 jne 0x25ad 35: 41 c6 04 24 00 movb $0x0,(%r12) 3a: 41 80 3c 17 00 cmpb $0x0,(%r15,%rdx,1)