XFS (loop2): Ending clean mount general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 1 PID: 15235 Comm: syz-executor.2 Not tainted 6.2.0-syzkaller-12998-gc0927a7a5391 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:xfs_free_extent_fix_freelist fs/xfs/libxfs/xfs_alloc.c:3537 [inline] RIP: 0010:__xfs_free_extent+0x1fa/0x5f0 fs/xfs/libxfs/xfs_alloc.c:3586 Code: 00 00 00 fc ff df 42 80 3c 38 00 74 05 e8 8e ce ca fe 4c 89 ac 24 88 00 00 00 48 8b 44 24 20 48 8d 58 08 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 e8 02 00 00 44 8b 23 49 8d 7e 28 48 89 RSP: 0018:ffffc90006757540 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000008 RCX: dffffc0000000000 RDX: 0000000000000078 RSI: 0000000000000000 RDI: ffffc900067575c8 RBP: ffffc900067576f0 R08: dffffc0000000000 R09: ffffc900067575d0 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004573f53 R13: ffff888029e3a000 R14: ffffc900067575c0 R15: dffffc0000000000 FS: 00007ff933dfe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32222000 CR3: 000000001b86d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xfs_free_extent fs/xfs/libxfs/xfs_alloc.h:158 [inline] xfs_ag_extend_space+0x39b/0x5e0 fs/xfs/libxfs/xfs_ag.c:1046 xfs_growfs_data_private fs/xfs/xfs_fsops.c:151 [inline] xfs_growfs_data+0x9b6/0x11c0 fs/xfs/xfs_fsops.c:294 xfs_file_ioctl+0x129c/0x1850 fs/xfs/xfs_ioctl.c:2064 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff93528c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 RSP: 002b:00007ff933dfe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff9353abf80 RCX: 00007ff93528c0f9 RDX: 00000000200000c0 RSI: 000000004010586e RDI: 0000000000000004 RBP: 00007ff9352e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd2e23406f R14: 00007ff933dfe300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:xfs_free_extent_fix_freelist fs/xfs/libxfs/xfs_alloc.c:3537 [inline] RIP: 0010:__xfs_free_extent+0x1fa/0x5f0 fs/xfs/libxfs/xfs_alloc.c:3586 Code: 00 00 00 fc ff df 42 80 3c 38 00 74 05 e8 8e ce ca fe 4c 89 ac 24 88 00 00 00 48 8b 44 24 20 48 8d 58 08 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 e8 02 00 00 44 8b 23 49 8d 7e 28 48 89 RSP: 0018:ffffc90006757540 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000008 RCX: dffffc0000000000 RDX: 0000000000000078 RSI: 0000000000000000 RDI: ffffc900067575c8 RBP: ffffc900067576f0 R08: dffffc0000000000 R09: ffffc900067575d0 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004573f53 R13: ffff888029e3a000 R14: ffffc900067575c0 R15: dffffc0000000000 FS: 00007ff933dfe700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f77f2d05000 CR3: 000000001b86d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 5 bytes skipped: 0: df 42 80 filds -0x80(%rdx) 3: 3c 38 cmp $0x38,%al 5: 00 74 05 e8 add %dh,-0x18(%rbp,%rax,1) 9: 8e ce mov %esi,%cs b: ca fe 4c lret $0x4cfe e: 89 ac 24 88 00 00 00 mov %ebp,0x88(%rsp) 15: 48 8b 44 24 20 mov 0x20(%rsp),%rax 1a: 48 8d 58 08 lea 0x8(%rax),%rbx 1e: 48 89 d8 mov %rbx,%rax 21: 48 c1 e8 03 shr $0x3,%rax * 25: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax <-- trapping instruction 2a: 84 c0 test %al,%al 2c: 0f 85 e8 02 00 00 jne 0x31a 32: 44 8b 23 mov (%rbx),%r12d 35: 49 8d 7e 28 lea 0x28(%r14),%rdi 39: 48 rex.W 3a: 89 .byte 0x89