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:00007f42de9f1f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001343f RCX: 00007f42ddc8d62a RDX: 0000000020000080 RSI: 0000000020000000 RDI: 00007f42de9f1fe0 RBP: 00007f42de9f2020 R08: 00007f42de9f2020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000080 R13: 0000000020000000 R14: 00007f42de9f1fe0 R15: 00000000200014c0 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: 9701 Comm: syz-executor.3 Not tainted 6.2.0-syzkaller-10443-g8cbd92339db0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:evict_linked_inode fs/gfs2/super.c:1370 [inline] RIP: 0010:gfs2_evict_inode+0xa0b/0x14a0 fs/gfs2/super.c:1420 Code: fc ff df 80 3c 08 00 74 08 4c 89 f7 e8 0e d4 1c fe bb 8c 00 00 00 49 03 1e 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 18 09 00 00 8b 13 45 31 e4 4c 89 ff 31 f6 RSP: 0018:ffffc90016a57480 EFLAGS: 00010207 RAX: 0000000000000011 RBX: 000000000000008c RCX: dffffc0000000000 RDX: ffffc90004691000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90016a57620 R08: ffffffff83bf879d R09: ffffed1004707826 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880818004b8 R13: ffff888081800000 R14: ffff888079988900 R15: ffff888079988000 FS: 00007f42de9f2700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f868d7ff000 CR3: 000000007c4d5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: evict+0x2a4/0x620 fs/inode.c:665 gfs2_jindex_free+0x44d/0x500 fs/gfs2/super.c:75 init_journal+0x9f2/0x2560 fs/gfs2/ops_fstype.c:871 init_inodes+0xd0/0x310 fs/gfs2/ops_fstype.c:929 gfs2_fill_super+0x22a2/0x2840 fs/gfs2/ops_fstype.c:1300 get_tree_bdev+0x402/0x620 fs/super.c:1294 gfs2_get_tree+0x54/0x210 fs/gfs2/ops_fstype.c:1338 vfs_get_tree+0x8c/0x270 fs/super.c:1501 do_new_mount+0x28f/0xae0 fs/namespace.c:3031 do_mount fs/namespace.c:3374 [inline] __do_sys_mount fs/namespace.c:3583 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3560 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: 0033:0x7f42ddc8d62a 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:00007f42de9f1f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001343f RCX: 00007f42ddc8d62a RDX: 0000000020000080 RSI: 0000000020000000 RDI: 00007f42de9f1fe0 RBP: 00007f42de9f2020 R08: 00007f42de9f2020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000080 R13: 0000000020000000 R14: 00007f42de9f1fe0 R15: 00000000200014c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:evict_linked_inode fs/gfs2/super.c:1370 [inline] RIP: 0010:gfs2_evict_inode+0xa0b/0x14a0 fs/gfs2/super.c:1420 Code: fc ff df 80 3c 08 00 74 08 4c 89 f7 e8 0e d4 1c fe bb 8c 00 00 00 49 03 1e 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 18 09 00 00 8b 13 45 31 e4 4c 89 ff 31 f6 RSP: 0018:ffffc90016a57480 EFLAGS: 00010207 RAX: 0000000000000011 RBX: 000000000000008c RCX: dffffc0000000000 RDX: ffffc90004691000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90016a57620 R08: ffffffff83bf879d R09: ffffed1004707826 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880818004b8 R13: ffff888081800000 R14: ffff888079988900 R15: ffff888079988000 FS: 00007f42de9f2700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc46f18ff8 CR3: 000000007c4d5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 c7 c2 b8 ff ff ff mov $0xffffffffffffffb8,%rdx 7: f7 d8 neg %eax 9: 64 89 02 mov %eax,%fs:(%rdx) c: b8 ff ff ff ff mov $0xffffffff,%eax 11: eb d2 jmp 0xffffffe5 13: e8 b8 04 00 00 callq 0x4d0 18: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 1f: 00 20: 49 89 ca mov %rcx,%r10 23: b8 a5 00 00 00 mov $0xa5,%eax 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 c7 c1 b8 ff ff ff mov $0xffffffffffffffb8,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W