BUG: stack guard page was hit at ffffc900081cfff8 (stack is ffffc900081d0000..ffffc900081d7fff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6194 Comm: syz-executor.5 Not tainted 5.10.112-syzkaller-00287-gde64d941a71a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__update_load_avg_se+0x4/0xb90 kernel/sched/pelt.c:371 Code: a2 90 55 00 4d 89 e8 48 be 00 00 00 00 00 fc ff df e9 90 fb ff ff e8 fa 68 af ff e9 cb fd ff ff 66 0f 1f 44 00 00 55 48 89 e5 <41> 57 41 56 41 55 41 54 53 48 83 ec 68 48 89 d3 49 89 f7 49 89 fe RSP: 0018:ffffc900081d0000 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff888117bebd40 RCX: 0000000000000000 RDX: ffff888117bebbc0 RSI: ffff88811caaf800 RDI: 00000033fd10aa1f RBP: ffffc900081d0000 R08: dffffc0000000000 R09: ffff888117bebbd8 R10: ffffed1022f7d77d R11: 1ffff11022f7d77b R12: dffffc0000000000 R13: ffff88811caaf800 R14: ffff888117bebbc0 R15: 00000033fd10aa1f FS: 00007fc4df12a700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900081cfff8 CR3: 0000000115aca000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: update_load_avg+0xd7/0xa90 kernel/sched/fair.c:3823 put_prev_entity+0x219/0x430 kernel/sched/fair.c:4582 pick_next_task_fair+0x869/0xcb0 kernel/sched/fair.c:7244 pick_next_task kernel/sched/core.c:4607 [inline] __schedule+0x433/0xc00 kernel/sched/core.c:4758 preempt_schedule_irq+0xce/0x140 kernel/sched/core.c:5052 irqentry_exit_cond_resched kernel/entry/common.c:357 [inline] irqentry_exit+0x50/0x60 kernel/entry/common.c:387 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1095 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:in_irqentry_text lib/stackdepot.c:347 [inline] RIP: 0010:filter_irq_stacks+0x34/0x70 lib/stackdepot.c:359 Code: 57 89 f6 31 c0 49 c7 c0 00 01 a0 84 49 c7 c1 30 0d a0 84 49 c7 c2 00 00 c0 84 49 c7 c3 96 05 c0 84 0f 1f 44 00 00 48 8b 0c c7 <4c> 39 c1 41 0f 93 c6 4c 39 c9 0f 92 c3 4c 39 d1 0f 93 c2 4c 39 d9 RSP: 0018:ffffc900081d04a0 EFLAGS: 00000216 RAX: 0000000000000029 RBX: ffff888111b00401 RCX: ffffffff81ad6562 RDX: dffffc0000000000 RSI: 0000000000000040 RDI: ffffc900081d04c0 RBP: ffffc900081d04b0 R08: ffffffff84a00100 R09: ffffffff84a00d30 R10: ffffffff84c00000 R11: ffffffff84c00596 R12: ffff888111b00430 R13: ffffffff8201db65 R14: 0000000000000d00 R15: ffffc900081d04c0 kasan_save_stack mm/kasan/common.c:39 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:428 [inline] ____kasan_kmalloc+0xe6/0x110 mm/kasan/common.c:507 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:516 kasan_kmalloc include/linux/kasan.h:269 [inline] kmem_cache_alloc_trace+0x1dd/0x330 mm/slub.c:2983 kmalloc include/linux/slab.h:552 [inline] kzalloc include/linux/slab.h:664 [inline] incfs_open_dir_file+0xa5/0x140 fs/incfs/data_mgmt.c:406 file_open+0x354/0x650 fs/incfs/vfs.c:1460 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open fs/open.c:942 [inline] dentry_open+0xb8/0x100 fs/open.c:958 file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 do_dentry_open+0x7a2/0x1090 fs/open.c:819 vfs_open+0x73/0x80 fs/open.c:942 do_open fs/namei.c:3327 [inline] path_openat+0x2638/0x2fd0 fs/namei.c:3444 do_filp_open+0x200/0x440 fs/namei.c:3471 do_sys_openat2+0x13b/0x470 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_openat fs/open.c:1243 [inline] __se_sys_openat fs/open.c:1238 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1238 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fc4dffd50e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc4df12a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fc4e00e8030 RCX: 00007fc4dffd50e9 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c RBP: 00007fc4e002f08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffccf66bb0f R14: 00007fc4df12a300 R15: 0000000000022000 Modules linked in: ---[ end trace 423d1fab5a128b17 ]--- RIP: 0010:__update_load_avg_se+0x4/0xb90 kernel/sched/pelt.c:371 Code: a2 90 55 00 4d 89 e8 48 be 00 00 00 00 00 fc ff df e9 90 fb ff ff e8 fa 68 af ff e9 cb fd ff ff 66 0f 1f 44 00 00 55 48 89 e5 <41> 57 41 56 41 55 41 54 53 48 83 ec 68 48 89 d3 49 89 f7 49 89 fe RSP: 0018:ffffc900081d0000 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff888117bebd40 RCX: 0000000000000000 RDX: ffff888117bebbc0 RSI: ffff88811caaf800 RDI: 00000033fd10aa1f RBP: ffffc900081d0000 R08: dffffc0000000000 R09: ffff888117bebbd8 R10: ffffed1022f7d77d R11: 1ffff11022f7d77b R12: dffffc0000000000 R13: ffff88811caaf800 R14: ffff888117bebbc0 R15: 00000033fd10aa1f FS: 00007fc4df12a700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900081cfff8 CR3: 0000000115aca000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 4 bytes skipped: 0: 4d 89 e8 mov %r13,%r8 3: 48 be 00 00 00 00 00 movabs $0xdffffc0000000000,%rsi a: fc ff df d: e9 90 fb ff ff jmpq 0xfffffba2 12: e8 fa 68 af ff callq 0xffaf6911 17: e9 cb fd ff ff jmpq 0xfffffde7 1c: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 22: 55 push %rbp 23: 48 89 e5 mov %rsp,%rbp * 26: 41 57 push %r15 <-- trapping instruction 28: 41 56 push %r14 2a: 41 55 push %r13 2c: 41 54 push %r12 2e: 53 push %rbx 2f: 48 83 ec 68 sub $0x68,%rsp 33: 48 89 d3 mov %rdx,%rbx 36: 49 89 f7 mov %rsi,%r15 39: 49 89 fe mov %rdi,%r14