general protection fault, probably for non-canonical address 0xdffffc001ffff122: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x00000000ffff8910-0x00000000ffff8917] CPU: 1 PID: 6375 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-16159-g3ca112b71f35 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:kernfs_ino include/linux/kernfs.h:361 [inline] RIP: 0010:cgroup_ino include/linux/cgroup.h:565 [inline] RIP: 0010:cgroup_psi include/linux/psi.h:37 [inline] RIP: 0010:task_psi_group kernel/sched/psi.c:877 [inline] RIP: 0010:psi_account_irqtime+0x13e/0x510 kernel/sched/psi.c:1009 Code: 03 80 3c 02 00 0f 85 bb 03 00 00 4c 8b ab 48 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bd 90 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 88 03 00 00 49 83 bd 90 00 00 00 01 0f 84 25 02 RSP: 0018:ffffc900001f0cd0 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: ffff888066d90000 RCX: 0000000000000001 RDX: 000000001ffff122 RSI: ffffffff8accbc20 RDI: 00000000ffff8910 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff815f1ec6 R12: 0000000000000001 R13: 00000000ffff8880 R14: ffff8880b993d158 R15: 0000000000000000 FS: 00007fee4abbc6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000fffffffe CR3: 000000002936b000 CR4: 0000000000350ef0 Call Trace: update_rq_clock_task kernel/sched/core.c:725 [inline] update_rq_clock kernel/sched/core.c:769 [inline] update_rq_clock+0x24a/0xb20 kernel/sched/core.c:750 ttwu_queue kernel/sched/core.c:4020 [inline] try_to_wake_up+0x6aa/0x15d0 kernel/sched/core.c:4342 hrtimer_wakeup+0x47/0x60 kernel/time/hrtimer.c:1942 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x203/0xc10 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x105/0x3f0 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:memmove+0x50/0x1b0 arch/x86/lib/memmove_64.S:71 Code: 0f 1f 44 00 00 48 81 fa a8 02 00 00 72 05 40 38 fe 74 47 48 83 ea 20 48 83 ea 20 4c 8b 1e 4c 8b 56 08 4c 8b 4e 10 4c 8b 46 18 <48> 8d 76 20 4c 89 1f 4c 89 57 08 4c 89 4f 10 4c 89 47 18 48 8d 7f RSP: 0018:ffffc900034bf800 EFLAGS: 00000286 RAX: ffff888064b4c078 RBX: ffff888064b4c002 RCX: ffffffff82312b44 RDX: fffffffffd803388 RSI: ffff888067348c44 RDI: ffff888067348c38 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888064b4c07c R13: ffff888068832000 R14: dffffc0000000000 R15: dffffc0000000000 ext4_ext_rm_leaf fs/ext4/extents.c:2736 [inline] ext4_ext_remove_space+0x1dd1/0x4390 fs/ext4/extents.c:2958 ext4_punch_hole+0xe2e/0x1080 fs/ext4/inode.c:4019 ext4_fallocate+0xe21/0x3d80 fs/ext4/extents.c:4707 vfs_fallocate+0x46c/0xe50 fs/open.c:324 ioctl_preallocate+0x1a4/0x220 fs/ioctl.c:291 file_ioctl fs/ioctl.c:334 [inline] do_vfs_ioctl+0x158c/0x1920 fs/ioctl.c:850 __do_sys_ioctl fs/ioctl.c:869 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x112/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fee4b87cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fee4abbc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fee4b99c120 RCX: 00007fee4b87cae9 RDX: 0000000020000080 RSI: 000000004030582b RDI: 0000000000000004 RBP: 00007fee4b8c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fee4b99c120 R15: 00007ffef35365b8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:kernfs_ino include/linux/kernfs.h:361 [inline] RIP: 0010:cgroup_ino include/linux/cgroup.h:565 [inline] RIP: 0010:cgroup_psi include/linux/psi.h:37 [inline] RIP: 0010:task_psi_group kernel/sched/psi.c:877 [inline] RIP: 0010:psi_account_irqtime+0x13e/0x510 kernel/sched/psi.c:1009 Code: 03 80 3c 02 00 0f 85 bb 03 00 00 4c 8b ab 48 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bd 90 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 88 03 00 00 49 83 bd 90 00 00 00 01 0f 84 25 02 RSP: 0018:ffffc900001f0cd0 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: ffff888066d90000 RCX: 0000000000000001 RDX: 000000001ffff122 RSI: ffffffff8accbc20 RDI: 00000000ffff8910 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff815f1ec6 R12: 0000000000000001 R13: 00000000ffff8880 R14: ffff8880b993d158 R15: 0000000000000000 FS: 00007fee4abbc6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000fffffffe CR3: 000000002936b000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 03 80 3c 02 00 0f add 0xf00023c(%rax),%eax 6: 85 bb 03 00 00 4c test %edi,0x4c000003(%rbx) c: 8b ab 48 01 00 00 mov 0x148(%rbx),%ebp 12: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 19: fc ff df 1c: 49 8d bd 90 00 00 00 lea 0x90(%r13),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 88 03 00 00 jne 0x3bc 34: 49 83 bd 90 00 00 00 cmpq $0x1,0x90(%r13) 3b: 01 3c: 0f .byte 0xf 3d: 84 .byte 0x84 3e: 25 .byte 0x25 3f: 02 .byte 0x2