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: 0 PID: 19145 Comm: syz-executor.4 Not tainted 5.3.0+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memcg_flush_percpu_vmstats+0x4a7/0x920 mm/memcontrol.c:3299 Code: 05 41 89 c0 41 0f b6 04 24 41 38 c7 7c 08 84 c0 0f 85 5c 03 00 00 44 3b 05 8a c8 f4 07 0f 83 e2 00 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 90 03 00 00 48 8b 85 30 fe ff ff 48 8b b0 90 RSP: 0018:ffff8880556c79a0 EFLAGS: 00010206 RAX: 0000000000000012 RBX: ffff8880556c7b28 RCX: ffffc9000e7b9000 RDX: 0000000000040000 RSI: ffffffff833c2187 RDI: 0000000000000007 RBP: ffff8880556c7be0 R08: 0000000000000000 R09: ffffed1012a0facc R10: ffffed1012a0facb R11: ffff88809507d65f R12: fffffbfff134b3f0 R13: dffffc0000000000 R14: 0000000000000090 R15: 0000000000000007 FS: 00007f19b872e700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000075c000 CR3: 00000000902eb000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mem_cgroup_free+0x1a/0x190 mm/memcontrol.c:4760 mem_cgroup_free mm/memcontrol.c:4772 [inline] mem_cgroup_css_alloc+0x3a1/0x1840 mm/memcontrol.c:4890 css_create kernel/cgroup/cgroup.c:5156 [inline] cgroup_apply_control_enable+0x44d/0xc30 kernel/cgroup/cgroup.c:3119 cgroup_mkdir+0x892/0x11a0 kernel/cgroup/cgroup.c:5401 kernfs_iop_mkdir+0x14d/0x1d0 fs/kernfs/dir.c:1123 vfs_mkdir+0x42e/0x670 fs/namei.c:3815 do_mkdirat+0x234/0x2a0 fs/namei.c:3838 __do_sys_mkdir fs/namei.c:3854 [inline] __se_sys_mkdir fs/namei.c:3852 [inline] __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3852 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 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:00007f19b872dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f19b872dc90 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19b872e6d4 R13: 00000000004bf0ba R14: 00000000004da7a0 R15: 0000000000000004 Modules linked in: ---[ end trace 5fb6fc2cf2c8e1c2 ]--- RIP: 0010:memcg_flush_percpu_vmstats+0x4a7/0x920 mm/memcontrol.c:3299 Code: 05 41 89 c0 41 0f b6 04 24 41 38 c7 7c 08 84 c0 0f 85 5c 03 00 00 44 3b 05 8a c8 f4 07 0f 83 e2 00 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 90 03 00 00 48 8b 85 30 fe ff ff 48 8b b0 90 RSP: 0018:ffff8880556c79a0 EFLAGS: 00010206 RAX: 0000000000000012 RBX: ffff8880556c7b28 RCX: ffffc9000e7b9000 RDX: 0000000000040000 RSI: ffffffff833c2187 RDI: 0000000000000007 RBP: ffff8880556c7be0 R08: 0000000000000000 R09: ffffed1012a0facc R10: ffffed1012a0facb R11: ffff88809507d65f R12: fffffbfff134b3f0 R13: dffffc0000000000 R14: 0000000000000090 R15: 0000000000000007 FS: 00007f19b872e700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f03456c8000 CR3: 00000000902eb000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400