general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xdead000000000108-0xdead00000000010f] CPU: 0 PID: 105 Comm: jfsCommit Not tainted 6.5.0-syzkaller-04592-gd68b4b6f307d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:__list_add_valid_or_report+0x2f/0x100 lib/list_debug.c:29 Code: 53 48 83 ec 08 48 85 f6 74 68 48 85 d2 48 89 d3 74 6e 48 b8 00 00 00 00 00 fc ff df 48 89 fd 48 8d 7a 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 00 00 00 48 8b 53 08 48 39 f2 75 51 48 b8 00 RSP: 0018:ffffc900024afbf8 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: dead000000000100 RCX: 0000000000000000 RDX: 1bd5a00000000021 RSI: ffffc90002598230 RDI: dead000000000108 RBP: ffff8880725618c8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000100 R13: ffffc90002598230 R14: ffff8880725618c8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcfd39f9440 CR3: 000000000c776000 CR4: 0000000000350ef0 Call Trace: __list_add_valid include/linux/list.h:88 [inline] __list_add include/linux/list.h:150 [inline] list_add include/linux/list.h:169 [inline] diUpdatePMap+0x95f/0xf00 fs/jfs/jfs_imap.c:2821 txUpdateMap+0x9f8/0xd10 fs/jfs/jfs_txnmgr.c:2356 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x5dc/0xb20 fs/jfs/jfs_txnmgr.c:2732 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_add_valid_or_report+0x2f/0x100 lib/list_debug.c:29 Code: 53 48 83 ec 08 48 85 f6 74 68 48 85 d2 48 89 d3 74 6e 48 b8 00 00 00 00 00 fc ff df 48 89 fd 48 8d 7a 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 00 00 00 48 8b 53 08 48 39 f2 75 51 48 b8 00 RSP: 0018:ffffc900024afbf8 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: dead000000000100 RCX: 0000000000000000 RDX: 1bd5a00000000021 RSI: ffffc90002598230 RDI: dead000000000108 RBP: ffff8880725618c8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000100 R13: ffffc90002598230 R14: ffff8880725618c8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcfd39f9440 CR3: 000000000c776000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 53 push %rbx 1: 48 83 ec 08 sub $0x8,%rsp 5: 48 85 f6 test %rsi,%rsi 8: 74 68 je 0x72 a: 48 85 d2 test %rdx,%rdx d: 48 89 d3 mov %rdx,%rbx 10: 74 6e je 0x80 12: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 19: fc ff df 1c: 48 89 fd mov %rdi,%rbp 1f: 48 8d 7a 08 lea 0x8(%rdx),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 ab 00 00 00 jne 0xdf 34: 48 8b 53 08 mov 0x8(%rbx),%rdx 38: 48 39 f2 cmp %rsi,%rdx 3b: 75 51 jne 0x8e 3d: 48 rex.W 3e: b8 .byte 0xb8