BUG: stack guard page was hit at ffffc90006287ff8 (stack is ffffc90006288000..ffffc9000628ffff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 441 Comm: syz-executor.3 Not tainted 5.10.110-syzkaller-01300-ge08dd85cc95e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:cpuacct_charge+0x6/0x150 kernel/sched/cpuacct.c:340 Code: 00 00 00 00 55 48 89 e5 be 09 00 00 00 48 c7 c7 c0 40 2f 86 e8 cb 31 55 00 5d c3 cc cc cc cc cc cc cc cc cc 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 49 89 f7 49 89 fe 49 bd 00 00 00 00 00 fc ff RSP: 0018:ffffc90006288000 EFLAGS: 00010083 RAX: 1ffff1102394450a RBX: 0000000004a04ebb RCX: dffffc0000000000 RDX: 1ffff92000c51008 RSI: 000000000006663f RDI: ffff88811ca22780 RBP: ffffc90006288008 R08: dffffc0000000000 R09: 0000000000000003 R10: fffff52000c51031 R11: 1ffff92000c51030 R12: ffff88811ca22780 R13: 0000000004a04ebb R14: 0000000004a04ebb R15: dffffc0000000000 FS: 00007f055b712700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90006287ff8 CR3: 00000001131ee000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cgroup_account_cputime include/linux/cgroup.h:789 [inline] update_curr+0x2e1/0x6c0 kernel/sched/fair.c:890 put_prev_entity+0x4a/0x430 kernel/sched/fair.c:4570 pick_next_task_fair+0x6f3/0xcb0 kernel/sched/fair.c:7235 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_reschedule_ipi+0x84/0x160 arch/x86/kernel/smp.c:225 asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:640 RIP: 0010:stack_trace_consume_entry+0x133/0x290 kernel/stacktrace.c:94 Code: 4d 89 e8 4c 8b 55 c8 4c 89 fe 4c 89 f2 48 89 33 41 8b 1a 41 8a 04 14 84 c0 0f 85 37 01 00 00 41 3b 18 0f 92 c0 48 83 c4 20 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 44 89 d1 80 e1 07 80 c1 03 38 c1 0f RSP: 0018:ffffc90006288470 EFLAGS: 00000282 RAX: 1ffff92000c51001 RBX: ffffc900062884a0 RCX: 0000000081ad5d01 RDX: dffffc0000000000 RSI: ffffffff81ad5d02 RDI: ffffc9000628858c RBP: ffffc90006288490 R08: ffffc90006288588 R09: 0000000000000006 R10: ffffc90006288590 R11: 1ffff92000c51094 R12: 1ffff92000c510b1 R13: 1ffff92000c510b1 R14: ffffc90006288630 R15: 1ffff92000c510b2 arch_stack_walk+0x106/0x140 arch/x86/kernel/stacktrace.c:27 stack_trace_save+0x12d/0x1f0 kernel/stacktrace.c:121 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:428 [inline] __kasan_slab_alloc+0xb2/0xe0 mm/kasan/common.c:461 kasan_slab_alloc include/linux/kasan.h:259 [inline] slab_post_alloc_hook mm/slab.h:583 [inline] slab_alloc_node mm/slub.c:2956 [inline] slab_alloc mm/slub.c:2964 [inline] kmem_cache_alloc+0x16c/0x300 mm/slub.c:2969 kmem_cache_zalloc include/linux/slab.h:654 [inline] __alloc_file+0x29/0x330 fs/file_table.c:101 alloc_empty_file+0xac/0x1b0 fs/file_table.c:151 dentry_open+0x4e/0x100 fs/open.c:956 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: 0033:0x7f055c591004 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f055b711f10 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f055c591004 RDX: 0000000000010000 RSI: 00000000200000c0 RDI: 00000000ffffff9c RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000020000080 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000010000 R13: 00000000200000c0 R14: 00007f055b711fe0 R15: 0000000020000500 Modules linked in: ---[ end trace 0a6b409151658f10 ]--- RIP: 0010:cpuacct_charge+0x6/0x150 kernel/sched/cpuacct.c:340 Code: 00 00 00 00 55 48 89 e5 be 09 00 00 00 48 c7 c7 c0 40 2f 86 e8 cb 31 55 00 5d c3 cc cc cc cc cc cc cc cc cc 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 49 89 f7 49 89 fe 49 bd 00 00 00 00 00 fc ff RSP: 0018:ffffc90006288000 EFLAGS: 00010083 RAX: 1ffff1102394450a RBX: 0000000004a04ebb RCX: dffffc0000000000 RDX: 1ffff92000c51008 RSI: 000000000006663f RDI: ffff88811ca22780 RBP: ffffc90006288008 R08: dffffc0000000000 R09: 0000000000000003 R10: fffff52000c51031 R11: 1ffff92000c51030 R12: ffff88811ca22780 R13: 0000000004a04ebb R14: 0000000004a04ebb R15: dffffc0000000000 FS: 00007f055b712700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90006287ff8 CR3: 00000001131ee000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 55 push %rbp 5: 48 89 e5 mov %rsp,%rbp 8: be 09 00 00 00 mov $0x9,%esi d: 48 c7 c7 c0 40 2f 86 mov $0xffffffff862f40c0,%rdi 14: e8 cb 31 55 00 callq 0x5531e4 19: 5d pop %rbp 1a: c3 retq 1b: cc int3 1c: cc int3 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: cc int3 22: cc int3 23: cc int3 24: 55 push %rbp 25: 48 89 e5 mov %rsp,%rbp 28: 41 57 push %r15 * 2a: 41 56 push %r14 <-- trapping instruction 2c: 41 55 push %r13 2e: 41 54 push %r12 30: 53 push %rbx 31: 49 89 f7 mov %rsi,%r15 34: 49 89 fe mov %rdi,%r14 37: 49 rex.WB 38: bd 00 00 00 00 mov $0x0,%ebp 3d: 00 fc add %bh,%ah 3f: ff .byte 0xff