general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 8362 Comm: syz-executor.2 Not tainted 5.9.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:jffs2_parse_param+0x1bf/0x300 fs/jffs2/super.c:206
Code: 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 06 92 2e ff 49 63 c5 48 89 04 24 49 8b 2e 48 83 c5 08 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 e2 91 2e ff 4c 8b 7d 00 4c 89 ff
RSP: 0018:ffffc9000a78fd38 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff888093437000 RCX: 0000000000000003
RDX: ffff88809392e100 RSI: 000000000000002b RDI: 00000000003fffff
RBP: 0000000000000008 R08: ffffffff82864fa9 R09: ffffffff82864f6e
R10: 0000000000000002 R11: ffff88809392e100 R12: dffffc0000000000
R13: 000000000000ac00 R14: ffff8880944b6000 R15: 1ffff920014f1fbc
FS:  00007fc1122ff700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001590004 CR3: 0000000093ec4000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_parse_fs_param+0x1e5/0x460 fs/fs_context.c:117
 vfs_parse_fs_string fs/fs_context.c:161 [inline]
 generic_parse_monolithic+0x230/0x350 fs/fs_context.c:201
 do_new_mount fs/namespace.c:2871 [inline]
 path_mount+0x176c/0x29e0 fs/namespace.c:3192
 do_mount fs/namespace.c:3205 [inline]
 __do_sys_mount fs/namespace.c:3413 [inline]
 __se_sys_mount+0x126/0x180 fs/namespace.c:3390
 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x460bca
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 87 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 87 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007fc1122fea88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc1122feb20 RCX: 0000000000460bca
RDX: 0000000020000000 RSI: 0000000020000080 RDI: 0000000000000000
RBP: 00007fc1122feae0 R08: 00007fc1122feb20 R09: 0000000020000000
R10: 0000000000000080 R11: 0000000000000246 R12: 0000000020000000
R13: 0000000020000080 R14: 0000000000000000 R15: 0000000020000300
Modules linked in:
---[ end trace b227dfffa973e233 ]---
RIP: 0010:jffs2_parse_param+0x1bf/0x300 fs/jffs2/super.c:206
Code: 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 06 92 2e ff 49 63 c5 48 89 04 24 49 8b 2e 48 83 c5 08 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 e2 91 2e ff 4c 8b 7d 00 4c 89 ff
RSP: 0018:ffffc9000a78fd38 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff888093437000 RCX: 0000000000000003
RDX: ffff88809392e100 RSI: 000000000000002b RDI: 00000000003fffff
RBP: 0000000000000008 R08: ffffffff82864fa9 R09: ffffffff82864f6e
R10: 0000000000000002 R11: ffff88809392e100 R12: dffffc0000000000
R13: 000000000000ac00 R14: ffff8880944b6000 R15: 1ffff920014f1fbc
FS:  00007fc1122ff700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a7f786a698 CR3: 0000000093ec4000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400