Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f80f7857028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f80f6c25fa0 RCX: 00007f80f699e159 RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007f80f6a3506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f80f6c26038 R14: 00007f80f6c25fa0 R15: 00007ffc6370d628 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 1 UID: 0 PID: 8320 Comm: syz.5.2282 Not tainted syzkaller #0 e67cc5743245539115c479145c763e2a95730d6f Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:do_trace_event_raw_event_cgroup_rstat include/trace/events/cgroup.h:222 [inline] RIP: 0010:trace_event_raw_event_cgroup_rstat+0x14b/0x3b0 include/trace/events/cgroup.h:207 Code: 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 88 5f 62 00 44 89 64 24 18 48 8b 1b 48 83 c3 0c 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 8c 01 00 00 44 8b 23 49 8d 5d 08 48 89 RSP: 0018:ffffc9000b08fae0 EFLAGS: 00010003 RAX: 0000000000000001 RBX: 000000000000000c RCX: ffff888115780000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 RBP: ffffc9000b08fbc8 R08: ffff888115780000 R09: 0000000000000002 R10: fffffffffffffff5 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88811fb67354 R14: 1ffff92001611f60 R15: dffffc0000000000 FS: 00007f80f78576c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f80f7835ff8 CR3: 000000011a134000 CR4: 00000000003526b0 Call Trace: trace_cgroup_rstat_locked include/trace/events/cgroup.h:242 [inline] __cgroup_rstat_lock+0x11e/0x280 kernel/cgroup/rstat.c:292 cgroup_rstat_flush+0x22/0x150 kernel/cgroup/rstat.c:351 cgroup_rstat_exit+0x33/0x1e0 kernel/cgroup/rstat.c:409 cgroup_create kernel/cgroup/cgroup.c:5872 [inline] cgroup_mkdir+0xd96/0x1600 kernel/cgroup/cgroup.c:5921 kernfs_iop_mkdir+0x1be/0x2d0 fs/kernfs/dir.c:1250 vfs_mkdir+0x591/0x810 fs/namei.c:4265 do_mkdirat+0x240/0x530 fs/namei.c:4288 __do_sys_mkdirat fs/namei.c:4303 [inline] __se_sys_mkdirat fs/namei.c:4301 [inline] __x64_sys_mkdirat+0x8b/0xa0 fs/namei.c:4301 x64_sys_call+0x2ba8/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:259 do_syscall_x64 arch/x86/entry/common.c:47 [inline] do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f80f699e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f80f7857028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f80f6c25fa0 RCX: 00007f80f699e159 RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007f80f6a3506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f80f6c26038 R14: 00007f80f6c25fa0 R15: 00007ffc6370d628 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_trace_event_raw_event_cgroup_rstat include/trace/events/cgroup.h:222 [inline] RIP: 0010:trace_event_raw_event_cgroup_rstat+0x14b/0x3b0 include/trace/events/cgroup.h:207 Code: 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 88 5f 62 00 44 89 64 24 18 48 8b 1b 48 83 c3 0c 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 8c 01 00 00 44 8b 23 49 8d 5d 08 48 89 RSP: 0018:ffffc9000b08fae0 EFLAGS: 00010003 RAX: 0000000000000001 RBX: 000000000000000c RCX: ffff888115780000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 RBP: ffffc9000b08fbc8 R08: ffff888115780000 R09: 0000000000000002 R10: fffffffffffffff5 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88811fb67354 R14: 1ffff92001611f60 R15: dffffc0000000000 FS: 00007f80f78576c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f80f7835ff8 CR3: 000000011a134000 CR4: 00000000003526b0 ---------------- Code disassembly (best guess): 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 e8 ff ff ff mov $0xffffffffffffffe8,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W