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: 3384 Comm: syz-executor.2 Not tainted 5.3.0-rc6+ #121 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memcg_flush_percpu_vmstats+0x3ad/0x6a0 mm/memcontrol.c:3289 Code: 05 41 89 c1 41 0f b6 04 24 41 38 c7 7c 08 84 c0 0f 85 59 02 00 00 44 3b 0d 24 bd f4 07 0f 83 94 00 00 00 4c 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 a4 02 00 00 4c 8b 83 90 00 00 00 48 8d bd 58 RSP: 0018:ffff8880a8ccf9c0 EFLAGS: 00010206 RAX: 0000000000000012 RBX: 0000000000000000 RCX: ffffffff833bf05b RDX: 0000000000000000 RSI: ffffffff833bf0e7 RDI: 0000000000000007 RBP: ffff8880a8ccfbe0 R08: ffff888097424140 R09: 0000000000000000 R10: ffffed1010f41e6b R11: ffff888087a0f35f R12: fffffbfff134afd8 R13: 0000000000000090 R14: dffffc0000000000 R15: 0000000000000007 FS: 00007fcb37af6700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070f158 CR3: 000000009bdc7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mem_cgroup_free+0x18/0x190 mm/memcontrol.c:4743 mem_cgroup_free mm/memcontrol.c:4755 [inline] mem_cgroup_css_alloc+0x3a1/0x1840 mm/memcontrol.c:4873 css_create kernel/cgroup/cgroup.c:5156 [inline] cgroup_apply_control_enable+0x44d/0xc30 kernel/cgroup/cgroup.c:3119 cgroup_mkdir+0x892/0x1190 kernel/cgroup/cgroup.c:5393 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: 0033:0x459879 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:00007fcb37af5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000459879 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcb37af66d4 R13: 00000000004bf081 R14: 00000000004da720 R15: 00000000ffffffff Modules linked in: ---[ end trace e678973b3c9b0411 ]--- RIP: 0010:memcg_flush_percpu_vmstats+0x3ad/0x6a0 mm/memcontrol.c:3289 Code: 05 41 89 c1 41 0f b6 04 24 41 38 c7 7c 08 84 c0 0f 85 59 02 00 00 44 3b 0d 24 bd f4 07 0f 83 94 00 00 00 4c 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 a4 02 00 00 4c 8b 83 90 00 00 00 48 8d bd 58 RSP: 0018:ffff8880a8ccf9c0 EFLAGS: 00010206 RAX: 0000000000000012 RBX: 0000000000000000 RCX: ffffffff833bf05b RDX: 0000000000000000 RSI: ffffffff833bf0e7 RDI: 0000000000000007 RBP: ffff8880a8ccfbe0 R08: ffff888097424140 R09: 0000000000000000 R10: ffffed1010f41e6b R11: ffff888087a0f35f R12: fffffbfff134afd8 R13: 0000000000000090 R14: dffffc0000000000 R15: 0000000000000007 FS: 00007fcb37af6700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000075c000 CR3: 000000009bdc7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400