Warning: Permanently added '[localhost]:52355' (ED25519) to the list of known hosts. executing program syzkaller login: [ 85.631657][ T5315] loop0: detected capacity change from 0 to 64 [ 85.658365][ T5315] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN NOPTI [ 85.664291][ T5315] KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] [ 85.669352][ T5315] CPU: 0 UID: 0 PID: 5315 Comm: syz-executor359 Not tainted 6.16.0-rc1-syzkaller-00004-gaef17cb3d3c4 #0 PREEMPT(full) [ 85.674911][ T5315] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.680186][ T5315] RIP: 0010:hfs_find_init+0x6a/0x1e0 [ 85.682998][ T5315] Code: 7e 18 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 c8 b1 8a ff 49 c7 07 00 00 00 00 48 8d 6b 40 49 89 ef 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 8b 45 00 8d 3c 45 04 00 00 [ 85.691413][ T5315] RSP: 0018:ffffc9000d2d7588 EFLAGS: 00010202 [ 85.694968][ T5315] RAX: 1ffff92001a5aecf RBX: 0000000000000000 RCX: ffff888000262440 [ 85.699097][ T5315] RDX: 0000000000000000 RSI: ffffc9000d2d7660 RDI: ffffc9000d2d7670 [ 85.702477][ T5315] RBP: 0000000000000040 R08: ffffc9000d2d7697 R09: 0000000000000000 [ 85.705970][ T5315] R10: ffffc9000d2d7660 R11: fffff52001a5aed3 R12: ffff88803b3b0640 [ 85.709477][ T5315] R13: dffffc0000000000 R14: ffffc9000d2d7660 R15: 0000000000000008 [ 85.713228][ T5315] FS: 0000555567d74380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 [ 85.717899][ T5315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.720939][ T5315] CR2: 0000559c6a5a72e8 CR3: 0000000044001000 CR4: 0000000000352ef0 [ 85.724405][ T5315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.727862][ T5315] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.731568][ T5315] Call Trace: [ 85.733581][ T5315] [ 85.735166][ T5315] hfs_get_block+0x51b/0xbd0 [ 85.737472][ T5315] ? __pfx_hfs_get_block+0x10/0x10 [ 85.739894][ T5315] block_read_full_folio+0x29c/0x830 [ 85.742599][ T5315] ? __pfx_hfs_get_block+0x10/0x10 [ 85.745053][ T5315] filemap_read_folio+0x114/0x380 [ 85.747653][ T5315] ? __pfx_hfs_read_folio+0x10/0x10 [ 85.750482][ T5315] ? __pfx_filemap_read_folio+0x10/0x10 [ 85.753079][ T5315] ? filemap_add_folio+0x1af/0x270 [ 85.755347][ T5315] do_read_cache_folio+0x350/0x590 [ 85.757770][ T5315] ? __pfx_hfs_read_folio+0x10/0x10 [ 85.760547][ T5315] read_cache_page+0x5d/0x170 [ 85.762874][ T5315] hfs_btree_open+0x55f/0x14f0 [ 85.765266][ T5315] ? hfs_mdb_get+0x1293/0x2080 [ 85.767414][ T5315] hfs_mdb_get+0x1327/0x2080 [ 85.769529][ T5315] ? __pfx_hfs_mdb_get+0x10/0x10 [ 85.772022][ T5315] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 85.775316][ T5315] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 85.778531][ T5315] hfs_fill_super+0x37b/0x640 [ 85.780620][ T5315] ? __pfx_hfs_fill_super+0x10/0x10 [ 85.783005][ T5315] ? sb_set_blocksize+0x104/0x180 [ 85.785344][ T5315] ? setup_bdev_super+0x4c1/0x5b0 [ 85.787599][ T5315] get_tree_bdev_flags+0x40b/0x4d0 [ 85.789957][ T5315] ? __pfx_hfs_fill_super+0x10/0x10 [ 85.792318][ T5315] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 85.794925][ T5315] vfs_get_tree+0x92/0x2b0 [ 85.796916][ T5315] do_new_mount+0x24a/0xa40 [ 85.799149][ T5315] __se_sys_mount+0x317/0x410 [ 85.801832][ T5315] ? __pfx___se_sys_mount+0x10/0x10 [ 85.804376][ T5315] ? rcu_is_watching+0x15/0xb0 [ 85.806467][ T5315] ? do_syscall_64+0xbe/0x3b0 [ 85.808520][ T5315] ? __x64_sys_mount+0x20/0xc0 [ 85.810613][ T5315] do_syscall_64+0xfa/0x3b0 [ 85.812638][ T5315] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.815286][ T5315] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.818806][ T5315] ? clear_bhb_loop+0x60/0xb0 [ 85.821305][ T5315] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.823855][ T5315] RIP: 0033:0x7f195a04be2a [ 85.825841][ T5315] 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 [ 85.834306][ T5315] RSP: 002b:00007ffe3c204728 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 85.837875][ T5315] RAX: ffffffffffffffda RBX: 00007ffe3c204740 RCX: 00007f195a04be2a [ 85.841253][ T5315] RDX: 0000200000000140 RSI: 0000200000000000 RDI: 00007ffe3c204740 [ 85.844639][ T5315] RBP: 0000200000000000 R08: 00007ffe3c204780 R09: 000000000000027d [ 85.848080][ T5315] R10: 0000000000000008 R11: 0000000000000286 R12: 0000200000000140 [ 85.851613][ T5315] R13: 00007ffe3c204780 R14: 0000000000000003 R15: 0000000000000008 [ 85.855815][ T5315] [ 85.857531][ T5315] Modules linked in: [ 85.859833][ T5315] ---[ end trace 0000000000000000 ]--- [ 85.887838][ T5315] RIP: 0010:hfs_find_init+0x6a/0x1e0 [ 85.890789][ T5315] Code: 7e 18 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 c8 b1 8a ff 49 c7 07 00 00 00 00 48 8d 6b 40 49 89 ef 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 8b 45 00 8d 3c 45 04 00 00 [ 85.900316][ T5315] RSP: 0018:ffffc9000d2d7588 EFLAGS: 00010202 [ 85.903697][ T5315] RAX: 1ffff92001a5aecf RBX: 0000000000000000 RCX: ffff888000262440 [ 85.907799][ T5315] RDX: 0000000000000000 RSI: ffffc9000d2d7660 RDI: ffffc9000d2d7670 [ 85.911223][ T5315] RBP: 0000000000000040 R08: ffffc9000d2d7697 R09: 0000000000000000 [ 85.914934][ T5315] R10: ffffc9000d2d7660 R11: fffff52001a5aed3 R12: ffff88803b3b0640 [ 85.919529][ T5315] R13: dffffc0000000000 R14: ffffc9000d2d7660 R15: 0000000000000008 [ 85.923038][ T5315] FS: 0000555567d74380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 [ 85.927134][ T5315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.930133][ T5315] CR2: 0000559c6a644d60 CR3: 0000000044001000 CR4: 0000000000352ef0 [ 85.934662][ T5315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.938573][ T5315] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.942068][ T5315] Kernel panic - not syncing: Fatal exception [ 85.945042][ T5315] Kernel Offset: disabled [ 85.947171][ T5315] Rebooting in 86400 seconds.. VM DIAGNOSIS: 13:24:20 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000061 RBX=0000000000000061 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc9000d2d6db0 R8 =ffff888033b78237 R9 =1ffff1100676f046 R10=dffffc0000000000 R11=ffffffff85470f70 R12=dffffc0000000000 R13=ffffffff99ac38f2 R14=ffffffff99dc8780 R15=0000000000000000 RIP=ffffffff85470fec 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 0000555567d74380 ffffffff 00c00000 GS =0000 ffff88808d252000 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=0000559c6a5a72e8 CR3=0000000044001000 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=0000000000440401 Opmask01=0000000000000001 Opmask02=00000000fff7ffff 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 00007ffe3c2048c0 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f195a0ca560 00007f195a0be5d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f195a0af504 00007f195a0c3240 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 65723d73726f7272 6500747865003036 36396f7369007265 6c6c616b7a797300 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40571856574a5757 4000515d40001513 131c4a564c005740 4949444e5f5c5600 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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