JFS: discard option not supported on device JFS: discard option not supported on device JFS: discard option not supported on device kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 18697 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 JFS: discard option not supported on device Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:lbmStartIO+0x12b/0x480 fs/jfs/jfs_logmgr.c:2143 Code: c1 ea 03 80 3c 02 00 0f 85 f5 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 20 49 8d bd e0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ef 02 00 00 4d 8b ad e0 00 00 00 4d 39 ee 74 67 JFS: discard option not supported on device RSP: 0018:ffff888046de7910 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880b5b17600 RCX: 0000000000000003 RDX: 000000000000001c RSI: ffffffff835f37ea RDI: 00000000000000e0 RBP: ffff8880afec8640 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880aaa08040 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 FS: 00007f61cbf0e700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1885f81710 CR3: 000000009ca05000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lbmWrite+0x27b/0x3a0 fs/jfs/jfs_logmgr.c:2092 lmNextPage.isra.0+0x285/0x740 fs/jfs/jfs_logmgr.c:637 lmWriteRecord+0x94a/0xee0 fs/jfs/jfs_logmgr.c:550 lmLog+0x294/0xb60 fs/jfs/jfs_logmgr.c:327 logMOUNT fs/jfs/jfs_mount.c:514 [inline] jfs_mount_rw+0x3e6/0x4b0 fs/jfs/jfs_mount.c:287 jfs_fill_super+0x814/0xb50 fs/jfs/super.c:598 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f61cd99d62a 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:00007f61cbf0df88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000005f5f RCX: 00007f61cd99d62a RDX: 0000000020000140 RSI: 0000000020000000 RDI: 00007f61cbf0dfe0 RBP: 00007f61cbf0e020 R08: 00007f61cbf0e020 R09: 0000000001000000 R10: 0000000001000000 R11: 0000000000000202 R12: 0000000020000140 R13: 0000000020000000 R14: 00007f61cbf0dfe0 R15: 00000000200001c0 Modules linked in: ---[ end trace f79ea86d590a6d79 ]--- RIP: 0010:lbmStartIO+0x12b/0x480 fs/jfs/jfs_logmgr.c:2143 Code: c1 ea 03 80 3c 02 00 0f 85 f5 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 20 49 8d bd e0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ef 02 00 00 4d 8b ad e0 00 00 00 4d 39 ee 74 67 RSP: 0018:ffff888046de7910 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880b5b17600 RCX: 0000000000000003 RDX: 000000000000001c RSI: ffffffff835f37ea RDI: 00000000000000e0 RBP: ffff8880afec8640 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880aaa08040 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 FS: 00007f61cbf0e700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1885f81710 CR3: 000000009ca05000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 7: 0f 85 f5 02 00 00 jne 0x302 d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 14: fc ff df 17: 4d 8b 6c 24 20 mov 0x20(%r12),%r13 1c: 49 8d bd e0 00 00 00 lea 0xe0(%r13),%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 ef 02 00 00 jne 0x323 34: 4d 8b ad e0 00 00 00 mov 0xe0(%r13),%r13 3b: 4d 39 ee cmp %r13,%r14 3e: 74 67 je 0xa7