XFS (loop3): Ending clean mount XFS (loop3): Quotacheck needed: Please wait. XFS (loop3): Quotacheck: Done. 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: 16402 Comm: syz-executor.3 Not tainted 6.3.0-rc2-syzkaller-00069-g0ddc84d2dd43 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:xfs_free_extent_fix_freelist+0xd3/0x200 fs/xfs/libxfs/xfs_alloc.c:3537 Code: 42 80 3c 30 00 0f 85 2d 01 00 00 4d 8b 74 24 30 48 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 4c 89 74 24 38 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e ec 00 00 00 44 8b 65 08 49 8d RSP: 0018:ffffc90016437738 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: 1ffff92002c86ee7 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000008 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffc90016437768 R10: fffffbfff1cef702 R11: 0000000000000000 R12: ffff88802a5d64a0 R13: ffffc900164378d8 R14: ffff88801cc3a000 R15: 000000000000000c FS: 00007f1a1c5fe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3282d000 CR3: 000000007ef99000 CR4: 0000000000350ee0 Call Trace: __xfs_free_extent+0x15e/0x420 fs/xfs/libxfs/xfs_alloc.c:3586 xfs_free_extent fs/xfs/libxfs/xfs_alloc.h:158 [inline] xfs_ag_extend_space+0x34b/0x4c0 fs/xfs/libxfs/xfs_ag.c:1046 xfs_resizefs_init_new_ags fs/xfs/xfs_fsops.c:77 [inline] xfs_growfs_data_private fs/xfs/xfs_fsops.c:151 [inline] xfs_growfs_data+0xf6a/0x1090 fs/xfs/xfs_fsops.c:294 xfs_file_ioctl+0x8a5/0x1c30 fs/xfs/xfs_ioctl.c:2064 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1a1da8c0f9 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:00007f1a1c5fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1a1dbabf80 RCX: 00007f1a1da8c0f9 RDX: 0000000020000100 RSI: 000000004010586e RDI: 0000000000000004 RBP: 00007f1a1dae7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffddf3feabf R14: 00007f1a1c5fe300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:xfs_free_extent_fix_freelist+0xd3/0x200 fs/xfs/libxfs/xfs_alloc.c:3537 Code: 42 80 3c 30 00 0f 85 2d 01 00 00 4d 8b 74 24 30 48 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 4c 89 74 24 38 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e ec 00 00 00 44 8b 65 08 49 8d RSP: 0018:ffffc90016437738 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: 1ffff92002c86ee7 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000008 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffc90016437768 R10: fffffbfff1cef702 R11: 0000000000000000 R12: ffff88802a5d64a0 R13: ffffc900164378d8 R14: ffff88801cc3a000 R15: 000000000000000c FS: 00007f1a1c5fe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3282f000 CR3: 000000007ef99000 CR4: 0000000000350ee0 ---------------- Code disassembly (best guess): 0: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) 5: 0f 85 2d 01 00 00 jne 0x138 b: 4d 8b 74 24 30 mov 0x30(%r12),%r14 10: 48 8d 7d 08 lea 0x8(%rbp),%rdi 14: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1b: fc ff df 1e: 48 89 fa mov %rdi,%rdx 21: 48 c1 ea 03 shr $0x3,%rdx 25: 4c 89 74 24 38 mov %r14,0x38(%rsp) * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e ec 00 00 00 jle 0x126 3a: 44 8b 65 08 mov 0x8(%rbp),%r12d 3e: 49 rex.WB 3f: 8d .byte 0x8d