loop1: detected capacity change from 0 to 14901 jfs_mount: diMount failed w/rc = -5 general protection fault, probably for non-canonical address 0xdffffc0000000021: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000108-0x000000000000010f] CPU: 1 PID: 26082 Comm: syz-executor.1 Not tainted 6.3.0-syzkaller-00113-g1a0beef98b58 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:diFree+0x269/0x2fb0 fs/jfs/jfs_imap.c:871 Code: 31 f6 e8 ba 15 de fe 4c 8b 7c 24 08 49 c1 ef 0c 48 89 5c 24 18 4c 8d 73 04 4d 89 f4 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 2c 1d 00 00 41 8b 1e 89 df 44 89 fe e8 RSP: 0018:ffffc90008827800 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000107 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900088279f8 RBP: ffffc90008827a70 R08: dffffc0000000000 R09: 0000000000000000 R10: ffffc900088279e0 R11: dffffc0000000001 R12: 0000000000000021 R13: ffff8880235ae200 R14: 000000000000010b R15: 0000000000000000 FS: 00007f913252c700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb50597000 CR3: 000000001df58000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jfs_evict_inode+0x32d/0x440 fs/jfs/inode.c:156 evict+0x2a4/0x620 fs/inode.c:665 jfs_mount+0x536/0x830 fs/jfs/jfs_mount.c:203 jfs_fill_super+0x59c/0xc50 fs/jfs/super.c:556 mount_bdev+0x271/0x3a0 fs/super.c:1380 legacy_get_tree+0xef/0x190 fs/fs_context.c:610 vfs_get_tree+0x8c/0x270 fs/super.c:1510 do_new_mount+0x28f/0xae0 fs/namespace.c:3042 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571 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: 0033:0x7f913188d69a 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:00007f913252bf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000002342 RCX: 00007f913188d69a RDX: 0000000020002740 RSI: 0000000020000000 RDI: 00007f913252bfe0 RBP: 00007f913252c020 R08: 00007f913252c020 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000202 R12: 0000000020002740 R13: 0000000020000000 R14: 00007f913252bfe0 R15: 0000000020000240 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:diFree+0x269/0x2fb0 fs/jfs/jfs_imap.c:871 Code: 31 f6 e8 ba 15 de fe 4c 8b 7c 24 08 49 c1 ef 0c 48 89 5c 24 18 4c 8d 73 04 4d 89 f4 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 2c 1d 00 00 41 8b 1e 89 df 44 89 fe e8 RSP: 0018:ffffc90008827800 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000107 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900088279f8 RBP: ffffc90008827a70 R08: dffffc0000000000 R09: 0000000000000000 R10: ffffc900088279e0 R11: dffffc0000000001 R12: 0000000000000021 R13: ffff8880235ae200 R14: 000000000000010b R15: 0000000000000000 FS: 00007f913252c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f16bde58770 CR3: 000000001df58000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 31 f6 xor %esi,%esi 2: e8 ba 15 de fe callq 0xfede15c1 7: 4c 8b 7c 24 08 mov 0x8(%rsp),%r15 c: 49 c1 ef 0c shr $0xc,%r15 10: 48 89 5c 24 18 mov %rbx,0x18(%rsp) 15: 4c 8d 73 04 lea 0x4(%rbx),%r14 19: 4d 89 f4 mov %r14,%r12 1c: 49 c1 ec 03 shr $0x3,%r12 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 41 0f b6 04 04 movzbl (%r12,%rax,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 2c 1d 00 00 jne 0x1d63 37: 41 8b 1e mov (%r14),%ebx 3a: 89 df mov %ebx,%edi 3c: 44 89 fe mov %r15d,%esi 3f: e8 .byte 0xe8