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: 16182 Comm: syz-executor.3 Not tainted 5.4.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memcg_flush_percpu_vmstats+0x4ae/0x930 mm/memcontrol.c:3431 Code: 05 41 89 c0 41 0f b6 04 24 41 38 c7 7c 08 84 c0 0f 85 5d 03 00 00 44 3b 05 a3 d7 12 08 0f 83 e2 00 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 91 03 00 00 48 8b 85 10 fe ff ff 48 8b b0 90 RSP: 0018:ffff888082acf980 EFLAGS: 00010206 RAX: 0000000000000012 RBX: ffff888082acfb28 RCX: ffffffff8340f0db RDX: 0000000000000000 RSI: ffffffff8340f167 RDI: 0000000000000007 RBP: ffff888082acfbe0 R08: 0000000000000000 R09: ffffed1013575176 R10: ffffed1013575175 R11: ffff88809aba8baf R12: fffffbfff138b778 R13: dffffc0000000000 R14: 0000000000000090 R15: 0000000000000007 FS: 00007f24d2319700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000097217000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mem_cgroup_free+0x1a/0x190 mm/memcontrol.c:5016 mem_cgroup_free mm/memcontrol.c:5028 [inline] mem_cgroup_css_alloc+0x3a1/0x1ae0 mm/memcontrol.c:5155 css_create kernel/cgroup/cgroup.c:5156 [inline] cgroup_apply_control_enable+0x44d/0xc40 kernel/cgroup/cgroup.c:3119 cgroup_mkdir+0x899/0x11b0 kernel/cgroup/cgroup.c:5401 kernfs_iop_mkdir+0x14d/0x1d0 fs/kernfs/dir.c:1124 vfs_mkdir+0x42e/0x670 fs/namei.c:3807 do_mkdirat+0x234/0x2a0 fs/namei.c:3830 __do_sys_mkdir fs/namei.c:3846 [inline] __se_sys_mkdir fs/namei.c:3844 [inline] __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3844 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a59 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f24d2318c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000459a59 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f24d23196d4 R13: 00000000004bf275 R14: 00000000004db028 R15: 00000000ffffffff Modules linked in: ---[ end trace a35000a872fc8804 ]--- RIP: 0010:memcg_flush_percpu_vmstats+0x4ae/0x930 mm/memcontrol.c:3431 Code: 05 41 89 c0 41 0f b6 04 24 41 38 c7 7c 08 84 c0 0f 85 5d 03 00 00 44 3b 05 a3 d7 12 08 0f 83 e2 00 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 91 03 00 00 48 8b 85 10 fe ff ff 48 8b b0 90 RSP: 0018:ffff888082acf980 EFLAGS: 00010206 RAX: 0000000000000012 RBX: ffff888082acfb28 RCX: ffffffff8340f0db RDX: 0000000000000000 RSI: ffffffff8340f167 RDI: 0000000000000007 RBP: ffff888082acfbe0 R08: 0000000000000000 R09: ffffed1013575176 R10: ffffed1013575175 R11: ffff88809aba8baf R12: fffffbfff138b778 R13: dffffc0000000000 R14: 0000000000000090 R15: 0000000000000007 FS: 00007f24d2319700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000004 CR3: 0000000097217000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400