BUG: unable to handle page fault for address: fffffffffffffffb #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD eb4b067 P4D eb4b067 PUD eb4d067 PMD 0 Oops: Oops: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:hfs_bnode_num_recs_invalid fs/hfsplus/hfsplus_fs.h:605 [inline] RIP: 0010:__hfsplus_brec_find+0xe0/0x850 fs/hfsplus/bfind.c:114 Code: e8 c5 6f 7f ff 4d 85 ff 74 67 48 89 5c 24 38 4c 89 f8 48 c1 e8 03 48 89 44 24 10 42 80 3c 20 00 74 08 4c 89 ff e8 d0 6c 7f ff <49> 8b 1f 48 85 db 74 4b 4c 89 6c 24 28 48 83 c3 38 48 89 d8 48 c1 RSP: 0018:ffffc9000e93f480 EFLAGS: 00010246 RAX: 1fffffffffffffff RBX: ffffc9000e93f820 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000000000ff RDI: ffffc9000e93f834 RBP: ffffc9000e93f570 R08: ffffc9000e93f833 R09: 0000000000000000 R10: ffffc9000e93f820 R11: fffff52001d27f07 R12: dffffc0000000000 R13: ffffc9000e93f800 R14: 1ffff92001d27e98 R15: fffffffffffffffb FS: 00007f61883236c0(0000) GS:ffff88808c2ca000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffffb CR3: 000000001296f000 CR4: 0000000000352ef0 Call Trace: hfsplus_brec_insert+0x90e/0xde0 fs/hfsplus/brec.c:170 hfsplus_rename_cat+0x5b2/0x1070 fs/hfsplus/catalog.c:481 hfsplus_rename+0x145/0x280 fs/hfsplus/dir.c:596 vfs_rename+0xbd9/0xef0 fs/namei.c:6208 filename_renameat2+0x533/0x9a0 fs/namei.c:6326 __do_sys_rename fs/namei.c:6370 [inline] __se_sys_rename+0x55/0x2c0 fs/namei.c:6366 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f618739e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6188322fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f6187626090 RCX: 00007f618739e159 RDX: 0000000000000000 RSI: 0000200000000f40 RDI: 0000200000000600 RBP: 00007f618743503b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6187626128 R14: 00007f6187626090 R15: 00007ffea84da5d8 Modules linked in: CR2: fffffffffffffffb ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_bnode_num_recs_invalid fs/hfsplus/hfsplus_fs.h:605 [inline] RIP: 0010:__hfsplus_brec_find+0xe0/0x850 fs/hfsplus/bfind.c:114 Code: e8 c5 6f 7f ff 4d 85 ff 74 67 48 89 5c 24 38 4c 89 f8 48 c1 e8 03 48 89 44 24 10 42 80 3c 20 00 74 08 4c 89 ff e8 d0 6c 7f ff <49> 8b 1f 48 85 db 74 4b 4c 89 6c 24 28 48 83 c3 38 48 89 d8 48 c1 RSP: 0018:ffffc9000e93f480 EFLAGS: 00010246 RAX: 1fffffffffffffff RBX: ffffc9000e93f820 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000000000ff RDI: ffffc9000e93f834 RBP: ffffc9000e93f570 R08: ffffc9000e93f833 R09: 0000000000000000 R10: ffffc9000e93f820 R11: fffff52001d27f07 R12: dffffc0000000000 R13: ffffc9000e93f800 R14: 1ffff92001d27e98 R15: fffffffffffffffb FS: 00007f61883236c0(0000) GS:ffff88808c2ca000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffffb CR3: 000000001296f000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: e8 c5 6f 7f ff call 0xff7f6fca 5: 4d 85 ff test %r15,%r15 8: 74 67 je 0x71 a: 48 89 5c 24 38 mov %rbx,0x38(%rsp) f: 4c 89 f8 mov %r15,%rax 12: 48 c1 e8 03 shr $0x3,%rax 16: 48 89 44 24 10 mov %rax,0x10(%rsp) 1b: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 20: 74 08 je 0x2a 22: 4c 89 ff mov %r15,%rdi 25: e8 d0 6c 7f ff call 0xff7f6cfa * 2a: 49 8b 1f mov (%r15),%rbx <-- trapping instruction 2d: 48 85 db test %rbx,%rbx 30: 74 4b je 0x7d 32: 4c 89 6c 24 28 mov %r13,0x28(%rsp) 37: 48 83 c3 38 add $0x38,%rbx 3b: 48 89 d8 mov %rbx,%rax 3e: 48 rex.W 3f: c1 .byte 0xc1