Warning: Permanently added '[localhost]:8006' (ED25519) to the list of known hosts. executing program syzkaller login: [ 79.163834][ T5311] loop0: detected capacity change from 0 to 1024 [ 79.188279][ T5311] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN NOPTI [ 79.193666][ T5311] KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] [ 79.197962][ T5311] CPU: 0 UID: 0 PID: 5311 Comm: syz-executor252 Not tainted 6.15.0-syzkaller-11796-g5abc7438f1e9 #0 PREEMPT(full) [ 79.203171][ T5311] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 79.207735][ T5311] RIP: 0010:hfsplus_rename_cat+0x3b1/0xde0 [ 79.210448][ T5311] Code: 0f b7 84 24 40 01 00 00 66 89 44 24 18 48 8b 9c 24 e0 00 00 00 48 8b 44 24 08 4c 8d 70 40 4c 89 f0 48 c1 e8 03 48 89 44 24 40 <42> 80 3c 20 00 74 08 4c 89 f7 e8 50 96 8c ff 4c 89 74 24 48 45 8b [ 79.219045][ T5311] RSP: 0018:ffffc9000d3ff780 EFLAGS: 00010202 [ 79.221837][ T5311] RAX: 0000000000000008 RBX: ffff888035b42000 RCX: ffff888000282440 [ 79.225349][ T5311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 79.228685][ T5311] RBP: ffffc9000d3ffbb0 R08: 0000000006000200 R09: 6d33a5df14000000 [ 79.232206][ T5311] R10: 6d33a5df14000000 R11: 6d33a5df6d33a5df R12: dffffc0000000000 [ 79.235554][ T5311] R13: 1ffff92001a7fefc R14: 0000000000000040 R15: 0000000000000000 [ 79.239046][ T5311] FS: 000055557be4e380(0000) GS:ffff88808d25c000(0000) knlGS:0000000000000000 [ 79.242871][ T5311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.245747][ T5311] CR2: 00007f11e0e47000 CR3: 0000000043fc8000 CR4: 0000000000352ef0 [ 79.249218][ T5311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.252711][ T5311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.256164][ T5311] Call Trace: [ 79.257661][ T5311] [ 79.258994][ T5311] ? __pfx_hfsplus_rename_cat+0x10/0x10 [ 79.261487][ T5311] ? chacha_block_generic+0x53/0xc80 [ 79.263828][ T5311] ? __asan_memset+0x22/0x50 [ 79.265865][ T5311] ? put_dec_full8+0x11c/0x2e0 [ 79.268043][ T5311] ? __pfx_sprintf+0x10/0x10 [ 79.270119][ T5311] hfsplus_link+0x359/0x6a0 [ 79.272206][ T5311] ? __pfx_hfsplus_link+0x10/0x10 [ 79.274435][ T5311] ? __pfx_from_kgid+0x10/0x10 [ 79.276599][ T5311] ? down_write+0x162/0x1f0 [ 79.278714][ T5311] ? __pfx_down_write+0x10/0x10 [ 79.280924][ T5311] ? inode_permission+0x149/0x470 [ 79.283241][ T5311] ? try_break_deleg+0x79/0x130 [ 79.285508][ T5311] vfs_link+0x4ea/0x6e0 [ 79.287402][ T5311] do_linkat+0x272/0x560 [ 79.289337][ T5311] ? __pfx_do_linkat+0x10/0x10 [ 79.291561][ T5311] ? strncpy_from_user+0x150/0x290 [ 79.293900][ T5311] ? getname_flags+0x1e5/0x540 [ 79.296095][ T5311] __x64_sys_link+0x82/0x90 [ 79.297932][ T5311] do_syscall_64+0xfa/0x3b0 [ 79.300013][ T5311] ? lockdep_hardirqs_on+0x9c/0x150 [ 79.302317][ T5311] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.305069][ T5311] ? clear_bhb_loop+0x60/0xb0 [ 79.307190][ T5311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.309845][ T5311] RIP: 0033:0x7ff9e94ddc19 [ 79.311886][ T5311] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 79.319759][ T5311] RSP: 002b:00007fff6010c098 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 79.323443][ T5311] RAX: ffffffffffffffda RBX: 0000200000000740 RCX: 00007ff9e94ddc19 [ 79.326990][ T5311] RDX: 00007ff9e94dcef7 RSI: 0000200000000300 RDI: 0000200000000200 [ 79.330595][ T5311] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 79.334150][ T5311] R10: 00007fff6010bf60 R11: 0000000000000246 R12: 00007fff6010c0d0 [ 79.337720][ T5311] R13: 00007fff6010c2f8 R14: 431bde82d7b634db R15: 00007ff9e952603b [ 79.341257][ T5311] [ 79.342750][ T5311] Modules linked in: [ 79.344690][ T5311] ---[ end trace 0000000000000000 ]--- [ 79.456468][ T5311] RIP: 0010:hfsplus_rename_cat+0x3b1/0xde0 [ 79.459252][ T5311] Code: 0f b7 84 24 40 01 00 00 66 89 44 24 18 48 8b 9c 24 e0 00 00 00 48 8b 44 24 08 4c 8d 70 40 4c 89 f0 48 c1 e8 03 48 89 44 24 40 <42> 80 3c 20 00 74 08 4c 89 f7 e8 50 96 8c ff 4c 89 74 24 48 45 8b [ 79.476089][ T5311] RSP: 0018:ffffc9000d3ff780 EFLAGS: 00010202 [ 79.478820][ T5311] RAX: 0000000000000008 RBX: ffff888035b42000 RCX: ffff888000282440 [ 79.497250][ T5311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 79.501403][ T5311] RBP: ffffc9000d3ffbb0 R08: 0000000006000200 R09: 6d33a5df14000000 [ 79.505670][ T5311] R10: 6d33a5df14000000 R11: 6d33a5df6d33a5df R12: dffffc0000000000 [ 79.510659][ T5311] R13: 1ffff92001a7fefc R14: 0000000000000040 R15: 0000000000000000 [ 79.514680][ T5311] FS: 000055557be4e380(0000) GS:ffff88808d25c000(0000) knlGS:0000000000000000 [ 79.519336][ T5311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.522383][ T5311] CR2: 00007f11e0e3b000 CR3: 0000000043fc8000 CR4: 0000000000352ef0 [ 79.526709][ T5311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.530552][ T5311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.534704][ T5311] Kernel panic - not syncing: Fatal exception [ 79.537858][ T5311] Kernel Offset: disabled [ 79.539807][ T5311] Rebooting in 86400 seconds.. VM DIAGNOSIS: 08:13:15 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000020 RBX=0000000000000020 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc9000d3fefb0 R8 =ffff888033888237 R9 =1ffff11006711046 R10=dffffc0000000000 R11=ffffffff85461540 R12=dffffc0000000000 R13=ffffffff99ab98ed R14=ffffffff99dbe760 R15=0000000000000000 RIP=ffffffff854615bc RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 000055557be4e380 ffffffff 00c00000 GS =0000 ffff88808d25c000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f11e0e47000 CR3=0000000043fc8000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000000000000 Opmask01=0000000000000004 Opmask02=000000000000000f Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff6010b650 00007fff6010b630 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff6010b790 00007fff6010b610 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ff9e9542864 00007ff9e9556240 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff6010b650 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff6010b790 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff6010b790 00007fff6010b610 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff6010b650 00007fff6010b630 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000065737566 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 47b718381fa97603 2c3306290ded6cf9 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 67dcddfde8a09302 dd78aff0e51d6cfb ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7bcfd49e2b9bacdf 2edf297a46e4f3e2 92d62965ee992349 3a724e5faf75bb67 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000