Warning: Permanently added '10.128.0.244' (ED25519) to the list of known hosts. executing program syzkaller login: [ 50.754459][ T3542] loop0: detected capacity change from 0 to 64 [ 50.765850][ T3542] general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN [ 50.777580][ T3542] KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] [ 50.785972][ T3542] CPU: 0 PID: 3542 Comm: syz-executor309 Not tainted 6.1.53-syzkaller #0 [ 50.794365][ T3542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 50.804441][ T3542] RIP: 0010:hfs_find_init+0x6e/0x1e0 [ 50.809767][ T3542] Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 08 31 81 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 41 8b 06 8d 7c 00 04 be c0 [ 50.829359][ T3542] RSP: 0018:ffffc9000393f300 EFLAGS: 00010202 [ 50.835413][ T3542] RAX: 1ffff92000727e7f RBX: ffffc9000393f3f8 RCX: ffff888074e3d940 [ 50.843367][ T3542] RDX: 0000000000000000 RSI: ffffc9000393f3e0 RDI: ffffc9000393f3f0 [ 50.851322][ T3542] RBP: 0000000000000000 R08: ffffffff8260b97b R09: ffffc9000393f3e0 [ 50.859285][ T3542] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc9000393f3e0 [ 50.867244][ T3542] R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008 [ 50.875197][ T3542] FS: 0000555556a82380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 50.884107][ T3542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.890734][ T3542] CR2: 00007ffedf217000 CR3: 000000002200f000 CR4: 00000000003506f0 [ 50.898703][ T3542] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.906657][ T3542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.914698][ T3542] Call Trace: [ 50.917969][ T3542] [ 50.920894][ T3542] ? __die_body+0x5e/0xa0 [ 50.925236][ T3542] ? die_addr+0x95/0xc0 [ 50.929387][ T3542] ? exc_general_protection+0x3ae/0x590 [ 50.934945][ T3542] ? asm_exc_general_protection+0x22/0x30 [ 50.940654][ T3542] ? hfs_get_block+0x3bb/0xb60 [ 50.945415][ T3542] ? hfs_find_init+0x6e/0x1e0 [ 50.950088][ T3542] hfs_get_block+0x4f0/0xb60 [ 50.954678][ T3542] ? hfs_free_extents+0x420/0x420 [ 50.959698][ T3542] ? create_page_buffers+0x24e/0x4b0 [ 50.964976][ T3542] block_read_full_folio+0x403/0xf60 [ 50.970262][ T3542] ? hfs_free_extents+0x420/0x420 [ 50.975286][ T3542] ? block_is_partially_uptodate+0x590/0x590 [ 50.981346][ T3542] ? folio_add_lru+0xa80/0xa80 [ 50.986104][ T3542] ? folio_add_lru+0x42e/0xa80 [ 50.990864][ T3542] filemap_read_folio+0x199/0x780 [ 50.995883][ T3542] ? filemap_add_folio+0x570/0x570 [ 51.000986][ T3542] ? hfs_writepage+0x30/0x30 [ 51.005572][ T3542] ? maybe_unlock_mmap_for_io+0x130/0x130 [ 51.011460][ T3542] ? hfs_btree_open+0x4cc/0xf20 [ 51.016305][ T3542] ? __lock_acquire+0x1f80/0x1f80 [ 51.021320][ T3542] do_read_cache_folio+0x2ee/0x810 [ 51.026431][ T3542] ? hfs_writepage+0x30/0x30 [ 51.031018][ T3542] do_read_cache_page+0x32/0x220 [ 51.035951][ T3542] hfs_btree_open+0x507/0xf20 [ 51.040712][ T3542] hfs_mdb_get+0x1442/0x21b0 [ 51.045389][ T3542] ? hfs_xattr_set+0x5a0/0x5a0 [ 51.050582][ T3542] ? lockdep_softirqs_off+0x420/0x420 [ 51.055949][ T3542] ? __debug_object_init+0xeb/0x610 [ 51.061230][ T3542] ? __raw_spin_lock_init+0x41/0x100 [ 51.066508][ T3542] hfs_fill_super+0x100c/0x1730 [ 51.071361][ T3542] ? hfs_mount+0x40/0x40 [ 51.075602][ T3542] ? ptr_to_hashval+0x70/0x70 [ 51.080294][ T3542] ? snprintf+0xd6/0x120 [ 51.084546][ T3542] ? set_blocksize+0x1c6/0x350 [ 51.089314][ T3542] mount_bdev+0x2c9/0x3f0 [ 51.093653][ T3542] ? hfs_mount+0x40/0x40 [ 51.097897][ T3542] legacy_get_tree+0xeb/0x180 [ 51.102566][ T3542] ? hfs_mark_mdb_dirty+0x1b0/0x1b0 [ 51.107761][ T3542] vfs_get_tree+0x88/0x270 [ 51.112171][ T3542] do_new_mount+0x28b/0xae0 [ 51.116672][ T3542] ? do_move_mount_old+0x160/0x160 [ 51.121777][ T3542] ? user_path_at_empty+0x12b/0x180 [ 51.126966][ T3542] __se_sys_mount+0x2d5/0x3c0 [ 51.132520][ T3542] ? __x64_sys_mount+0xc0/0xc0 [ 51.137317][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 51.143309][ T3542] ? lockdep_hardirqs_on+0x94/0x130 [ 51.148509][ T3542] ? __x64_sys_mount+0x1c/0xc0 [ 51.153280][ T3542] do_syscall_64+0x3d/0xb0 [ 51.157701][ T3542] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.163580][ T3542] RIP: 0033:0x7f002fcb48fa [ 51.167982][ T3542] 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 [ 51.187828][ T3542] RSP: 002b:00007ffedf216958 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 51.196234][ T3542] RAX: ffffffffffffffda RBX: 00007ffedf216970 RCX: 00007f002fcb48fa [ 51.204196][ T3542] RDX: 0000000020000000 RSI: 00000000200001c0 RDI: 00007ffedf216970 [ 51.212324][ T3542] RBP: 0000000000000004 R08: 00007ffedf2169b0 R09: 00000000000002d8 [ 51.220288][ T3542] R10: 000000000300041c R11: 0000000000000286 R12: 000000000300041c [ 51.228260][ T3542] R13: 00007ffedf2169b0 R14: 0000000000000003 R15: 0000000000008000 [ 51.236228][ T3542] [ 51.239410][ T3542] Modules linked in: [ 51.244458][ T3542] ---[ end trace 0000000000000000 ]--- [ 51.250713][ T3542] RIP: 0010:hfs_find_init+0x6e/0x1e0 [ 51.256096][ T3542] Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 08 31 81 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 41 8b 06 8d 7c 00 04 be c0 [ 51.275821][ T3542] RSP: 0018:ffffc9000393f300 EFLAGS: 00010202 [ 51.281892][ T3542] RAX: 1ffff92000727e7f RBX: ffffc9000393f3f8 RCX: ffff888074e3d940 [ 51.289891][ T3542] RDX: 0000000000000000 RSI: ffffc9000393f3e0 RDI: ffffc9000393f3f0 [ 51.297959][ T3542] RBP: 0000000000000000 R08: ffffffff8260b97b R09: ffffc9000393f3e0 [ 51.305953][ T3542] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc9000393f3e0 [ 51.313925][ T3542] R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008 [ 51.321956][ T3542] FS: 0000555556a82380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 51.330909][ T3542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.337516][ T3542] CR2: 00007ffedf217000 CR3: 000000002200f000 CR4: 00000000003506f0 [ 51.345532][ T3542] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.353528][ T3542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.361566][ T3542] Kernel panic - not syncing: Fatal exception [ 51.368945][ T3542] Kernel Offset: disabled [ 51.373273][ T3542] Rebooting in 86400 seconds..