RBP: 00007fef0b4c0020 R08: 00007fef0b4c0020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002001f680 R13: 000000002001f6c0 R14: 00007fef0b4bffe0 R15: 000000002001f700 general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f] CPU: 1 PID: 5240 Comm: syz-executor.5 Not tainted 6.3.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:evict_linked_inode fs/gfs2/super.c:1370 [inline] RIP: 0010:gfs2_evict_inode+0xf02/0x1c10 fs/gfs2/super.c:1420 Code: 03 80 3c 02 00 0f 85 e7 0b 00 00 48 8b 9d 00 09 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 8c 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d3 RSP: 0018:ffffc9000af8f5c0 EFLAGS: 00010217 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90015841000 RDX: 0000000000000011 RSI: ffffffff83978751 RDI: 000000000000008c RBP: ffff88802dae8000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88808135eba8 R14: ffff88808135f038 R15: ffff88808135eb80 FS: 00007fef0b4c0700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020b1c000 CR3: 000000007a019000 CR4: 0000000000350ee0 Call Trace: evict+0x2ed/0x6b0 fs/inode.c:665 iput_final fs/inode.c:1748 [inline] iput.part.0+0x50a/0x740 fs/inode.c:1774 iput+0x5c/0x80 fs/inode.c:1764 gfs2_jindex_free+0x391/0x560 fs/gfs2/super.c:75 init_journal fs/gfs2/ops_fstype.c:871 [inline] init_inodes+0x25b/0x2b20 fs/gfs2/ops_fstype.c:929 gfs2_fill_super+0x223b/0x2b20 fs/gfs2/ops_fstype.c:1300 get_tree_bdev+0x444/0x760 fs/super.c:1303 gfs2_get_tree+0x4e/0x270 fs/gfs2/ops_fstype.c:1338 vfs_get_tree+0x8d/0x350 fs/super.c:1510 do_new_mount fs/namespace.c:3042 [inline] path_mount+0x1342/0x1e40 fs/namespace.c:3372 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount fs/namespace.c:3571 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3571 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: 0033:0x7fef0a68d69a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 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 RSP: 002b:00007fef0b4bff88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001f675 RCX: 00007fef0a68d69a RDX: 000000002001f680 RSI: 000000002001f6c0 RDI: 00007fef0b4bffe0 RBP: 00007fef0b4c0020 R08: 00007fef0b4c0020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002001f680 R13: 000000002001f6c0 R14: 00007fef0b4bffe0 R15: 000000002001f700 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:evict_linked_inode fs/gfs2/super.c:1370 [inline] RIP: 0010:gfs2_evict_inode+0xf02/0x1c10 fs/gfs2/super.c:1420 Code: 03 80 3c 02 00 0f 85 e7 0b 00 00 48 8b 9d 00 09 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 8c 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d3 RSP: 0018:ffffc9000af8f5c0 EFLAGS: 00010217 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90015841000 RDX: 0000000000000011 RSI: ffffffff83978751 RDI: 000000000000008c RBP: ffff88802dae8000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88808135eba8 R14: ffff88808135f038 R15: ffff88808135eb80 FS: 00007fef0b4c0700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fceb4f831b8 CR3: 000000007a019000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 03 80 3c 02 00 0f add 0xf00023c(%rax),%eax 6: 85 e7 test %esp,%edi 8: 0b 00 or (%rax),%eax a: 00 48 8b add %cl,-0x75(%rax) d: 9d popfq e: 00 09 add %cl,(%rcx) 10: 00 00 add %al,(%rax) 12: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 19: fc ff df 1c: 48 8d bb 8c 00 00 00 lea 0x8c(%rbx),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx <-- trapping instruction 2e: 48 89 f8 mov %rdi,%rax 31: 83 e0 07 and $0x7,%eax 34: 83 c0 03 add $0x3,%eax 37: 38 d0 cmp %dl,%al 39: 7c 08 jl 0x43 3b: 84 d2 test %dl,%dl 3d: 0f .byte 0xf 3e: 85 d3 test %edx,%ebx