[32192] 0 32192 18213 8748 28 4 0 1000 syz-executor.5 [32220] 0 32220 18246 9172 28 4 0 1000 syz-executor.5 [32228] 0 32228 18246 12844 33 4 0 1000 syz-executor.0 INFO: rcu_preempt detected stalls on CPUs/tasks: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1837 (detected by 0, t=10503 jiffies, g=24205, c=24204, q=2582) syz-executor.0 R running task 24400 1837 1830 0x00000000 Call Trace: preempt_schedule_common+0x4f/0xd0 kernel/sched/core.c:3578 ___preempt_schedule+0x16/0x18 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:184 spin_unlock include/linux/spinlock.h:357 [inline] task_unlock include/linux/sched/task.h:136 [inline] dump_tasks mm/oom_kill.c:403 [inline] dump_header+0x7bb/0x848 mm/oom_kill.c:428 oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861 out_of_memory mm/oom_kill.c:1084 [inline] out_of_memory+0x2d2/0xab0 mm/oom_kill.c:1023 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline] __alloc_pages_slowpath mm/page_alloc.c:4112 [inline] __alloc_pages_nodemask+0x1988/0x2370 mm/page_alloc.c:4277 __alloc_pages include/linux/gfp.h:461 [inline] __alloc_pages_node include/linux/gfp.h:474 [inline] alloc_pages_node include/linux/gfp.h:488 [inline] alloc_thread_stack_node kernel/fork.c:243 [inline] dup_task_struct kernel/fork.c:529 [inline] copy_process.part.0+0x2c9/0x66c0 kernel/fork.c:1729 copy_process kernel/fork.c:1679 [inline] _do_fork+0x197/0xce0 kernel/fork.c:2220 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4587ea RSP: 002b:00007ffc03c8b750 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffc03c8b750 RCX: 00000000004587ea RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffc03c8b790 R08: 0000000000000001 R09: 0000000001f0d940 R10: 0000000001f0dc10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc03c8b7e0 syz-executor.0 R running task 24400 1837 1830 0x00000000 Call Trace: preempt_schedule_common+0x4f/0xd0 kernel/sched/core.c:3578 ___preempt_schedule+0x16/0x18 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:184 spin_unlock include/linux/spinlock.h:357 [inline] task_unlock include/linux/sched/task.h:136 [inline] dump_tasks mm/oom_kill.c:403 [inline] dump_header+0x7bb/0x848 mm/oom_kill.c:428 oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861 out_of_memory mm/oom_kill.c:1084 [inline] out_of_memory+0x2d2/0xab0 mm/oom_kill.c:1023 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline] __alloc_pages_slowpath mm/page_alloc.c:4112 [inline] __alloc_pages_nodemask+0x1988/0x2370 mm/page_alloc.c:4277 __alloc_pages include/linux/gfp.h:461 [inline] __alloc_pages_node include/linux/gfp.h:474 [inline] alloc_pages_node include/linux/gfp.h:488 [inline] alloc_thread_stack_node kernel/fork.c:243 [inline] dup_task_struct kernel/fork.c:529 [inline] copy_process.part.0+0x2c9/0x66c0 kernel/fork.c:1729 copy_process kernel/fork.c:1679 [inline] _do_fork+0x197/0xce0 kernel/fork.c:2220 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4587ea RSP: 002b:00007ffc03c8b750 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffc03c8b750 RCX: 00000000004587ea RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffc03c8b790 R08: 0000000000000001 R09: 0000000001f0d940 R10: 0000000001f0dc10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc03c8b7e0 [32284] 0 32284 18246 9176 28 4 0 1000 syz-executor.5 [32309] 0 32309 18246 12844 33 4 0 1000 syz-executor.0 [32354] 0 32354 18246 9304 29 4 0 1000 syz-executor.5 [32364] 0 32364 18246 12844 33 4 0 1000 syz-executor.0 [32418] 0 32418 18246 12844 33 4 0 1000 syz-executor.0 [32494] 0 32494 18246 12844 33 4 0 1000 syz-executor.0 [32519] 0 32519 18246 9302 28 4 0 1000 syz-executor.5 [32559] 0 32559 18246 12844 33 4 0 1000 syz-executor.0 [32615] 0 32615 18246 9247 28 4 0 1000 syz-executor.5 [32639] 0 32639 18246 12109 32 4 0 1000 syz-executor.0 [32641] 0 32641 18246 9341 29 4 0 1000 syz-executor.5 [32661] 0 32661 18246 9461 29 4 0 1000 syz-executor.5 [32705] 0 32705 18246 10749 30 4 0 1000 syz-executor.0 [32760] 0 32760 18246 10657 30 4 0 1000 syz-executor.1 [ 306] 0 306 18246 10251 29 4 0 1000 syz-executor.0 [ 352] 0 352 18246 9268 28 4 0 1000 syz-executor.1 [ 383] 0 383 18246 11238 30 4 0 1000 syz-executor.0 [ 399] 0 399 18246 9433 28 4 0 1000 syz-executor.3 [ 462] 0 462 18246 10800 30 4 0 1000 syz-executor.0 [ 491] 0 491 18246 9326 29 4 0 1000 syz-executor.5 [ 515] 0 515 18213 9011 27 4 0 1000 syz-executor.4 [ 520] 0 520 18246 9461 29 4 0 1000 syz-executor.2 [ 533] 0 533 18246 9044 28 4 0 1000 syz-executor.5 [ 539] 0 539 18246 10521 30 4 0 1000 syz-executor.0 [ 557] 0 557 18246 9448 29 4 0 1000 syz-executor.2 [ 576] 0 576 18246 9954 29 4 0 1000 syz-executor.1 [ 590] 0 590 18246 9482 29 4 0 1000 syz-executor.2 [ 634] 0 634 18246 10929 30 4 0 1000 syz-executor.0 [ 687] 0 687 18213 8748 28 4 0 1000 syz-executor.5 [ 713] 0 713 18246 9765 28 4 0 1000 syz-executor.1 [ 723] 0 723 18213 8748 28 4 0 1000 syz-executor.5 [ 729] 0 729 18246 10821 30 4 0 1000 syz-executor.0 [ 733] 0 733 18246 9646 28 4 0 1000 syz-executor.1 [ 755] 0 755 18213 8748 28 4 0 1000 syz-executor.5 [ 812] 0 812 18246 11220 30 4 0 1000 syz-executor.0 [ 877] 0 877 18213 8748 28 4 0 1000 syz-executor.5 [ 894] 0 894 18246 9976 29 4 0 1000 syz-executor.0 [ 918] 0 918 18279 12221 33 4 0 1000 syz-executor.2 [ 930] 0 930 18246 9145 27 4 0 1000 syz-executor.3 [ 945] 0 945 18213 8748 28 4 0 1000 syz-executor.2 [ 965] 0 965 18246 9187 27 4 0 1000 syz-executor.0 [ 967] 0 967 18246 10382 31 4 0 1000 syz-executor.5 [ 983] 0 983 18213 8748 28 4 0 1000 syz-executor.2 [ 997] 0 997 18246 11700 31 4 0 1000 syz-executor.0 [ 1019] 0 1019 18246 8750 28 4 0 1000 syz-executor.2 [ 1064] 0 1064 18246 10217 29 4 0 1000 syz-executor.0 [ 1080] 0 1080 18246 9936 30 4 0 1000 syz-executor.2 [ 1083] 0 1083 18213 8771 25 3 0 1000 syz-executor.3 [ 1184] 0 1184 18246 11026 30 4 0 1000 syz-executor.0 [ 1211] 0 1211 18246 9296 29 4 0 1000 syz-executor.5 [ 1228] 0 1228 18180 8746 28 4 0 1000 syz-executor.5 [ 1252] 0 1252 18246 12844 33 4 0 1000 syz-executor.0 [ 1254] 0 1254 18180 8746 28 4 0 1000 syz-executor.5 [ 1267] 0 1267 18180 8746 28 4 0 1000 syz-executor.5 [ 1287] 0 1287 18213 9273 29 4 0 1000 syz-executor.5 [ 1312] 0 1312 18213 9050 28 4 0 1000 syz-executor.5 [ 1313] 0 1313 18246 11654 31 4 0 1000 syz-executor.0 [ 1346] 0 1346 18213 8999 28 4 0 1000 syz-executor.5 [ 1369] 0 1369 18213 9119 28 4 0 1000 syz-executor.5 [ 1374] 0 1374 18246 9502 28 4 0 1000 syz-executor.3 [ 1396] 0 1396 18279 11633 31 4 0 1000 syz-executor.0 [ 1404] 0 1404 18246 8907 28 4 0 1000 syz-executor.5 [ 1460] 0 1460 18246 11446 31 4 0 1000 syz-executor.0 [ 1482] 0 1482 18213 9276 28 4 0 1000 syz-executor.3 [ 1509] 0 1509 18246 8900 28 4 0 1000 syz-executor.5 [ 1545] 0 1545 18246 12133 32 4 0 1000 syz-executor.0 [ 1549] 0 1549 18246 9014 28 4 0 1000 syz-executor.5 [ 1561] 0 1561 18246 9385 28 4 0 1000 syz-executor.1 [ 1572] 0 1572 18246 9148 28 4 0 1000 syz-executor.5 [ 1598] 0 1598 18246 8894 28 4 0 1000 syz-executor.5 [ 1615] 0 1615 18246 12844 33 4 0 1000 syz-executor.0 [ 1634] 0 1634 18246 9017 28 4 0 1000 syz-executor.5 [ 1662] 0 1662 18246 8981 28 4 0 1000 syz-executor.5 [ 1691] 0 1691 18246 9080 28 4 0 1000 syz-executor.5 [ 1707] 0 1707 18246 11113 30 4 0 1000 syz-executor.0 [ 1723] 0 1723 18246 9158 28 4 0 1000 syz-executor.5 [ 1754] 0 1754 18246 9060 28 4 0 1000 syz-executor.5 [ 1789] 0 1789 18246 12844 33 4 0 1000 syz-executor.0 [ 1797] 0 1797 18246 9294 29 4 0 1000 syz-executor.5 [ 1825] 0 1825 18246 9238 28 4 0 1000 syz-executor.5 [ 1863] 0 1863 18213 12842 33 4 0 1000 syz-executor.0 [ 1933] 0 1933 18246 9219 28 4 0 1000 syz-executor.5 [ 1957] 0 1957 18213 12807 33 4 0 1000 syz-executor.0 [ 1969] 0 1969 18246 9253 28 4 0 1000 syz-executor.5 [ 1991] 0 1991 18246 9141 28 4 0 1000 syz-executor.5 [ 2019] 0 2019 18213 12842 33 4 0 1000 syz-executor.0 [ 2028] 0 2028 18246 8876 28 4 0 1000 syz-executor.5 [ 2075] 0 2075 18246 8996 28 4 0 1000 syz-executor.5 [ 2078] 0 2078 18213 12842 33 4 0 1000 syz-executor.0 [ 2096] 0 2096 18246 8993 28 4 0 1000 syz-executor.5 [ 2128] 0 2128 18246 8914 28 4 0 1000 syz-executor.5 [ 2130] 0 2130 18213 12842 33 4 0 1000 syz-executor.0 [ 2155] 0 2155 18246 9616 28 4 0 1000 syz-executor.3 [ 2157] 0 2157 18246 8769 28 4 0 1000 syz-executor.5 [ 2180] 0 2180 18213 12842 33 4 0 1000 syz-executor.0 [ 2182] 0 2182 18246 9435 28 4 0 1000 syz-executor.3 [ 2187] 0 2187 18246 8980 28 4 0 1000 syz-executor.5 [ 2209] 0 2209 18246 8964 28 4 0 1000 syz-executor.5 [ 2211] 0 2211 18246 9473 28 4 0 1000 syz-executor.3 [ 2235] 0 2235 18213 12842 33 4 0 1000 syz-executor.0 [ 2240] 0 2240 18246 9039 28 4 0 1000 syz-executor.5 [ 2279] 0 2279 18213 12842 33 4 0 1000 syz-executor.0 [ 2280] 0 2280 18246 9273 28 4 0 1000 syz-executor.3 [ 2304] 0 2304 18246 9049 28 4 0 1000 syz-executor.5 [ 2334] 0 2334 18246 9166 28 4 0 1000 syz-executor.5 [ 2336] 0 2336 18180 8746 27 4 0 1000 syz-executor.0 [ 2355] 0 2355 18213 9445 28 4 0 1000 syz-executor.3 [ 2359] 0 2359 18246 9398 29 4 0 1000 syz-executor.5 [ 2382] 0 2382 18246 8879 28 4 0 1000 syz-executor.5 [ 2388] 0 2388 18180 8746 27 4 0 1000 syz-executor.0 [ 2419] 0 2419 18246 8931 28 4 0 1000 syz-executor.5 [ 2433] 0 2433 18246 9218 28 4 0 1000 syz-executor.5 [ 2459] 0 2459 18246 9028 28 4 0 1000 syz-executor.5 [ 2464] 0 2464 18180 8746 27 4 0 1000 syz-executor.0 [ 2474] 0 2474 18246 9365 28 4 0 1000 syz-executor.3 [ 2482] 0 2482 18246 9383 29 4 0 1000 syz-executor.5 [ 2502] 0 2502 18246 9030 28 4 0 1000 syz-executor.5 [ 2515] 0 2515 18246 12844 33 4 0 1000 syz-executor.0 [ 2531] 0 2531 18246 8951 28 4 0 1000 syz-executor.5 [ 2549] 0 2549 18246 9601 28 4 0 1000 syz-executor.1 [ 2557] 0 2557 18246 9273 29 4 0 1000 syz-executor.5 [ 2592] 0 2592 18246 12844 33 4 0 1000 syz-executor.0 [ 2595] 0 2595 18246 8894 28 4 0 1000 syz-executor.5 [ 2608] 0 2608 18180 8747 27 4 0 1000 syz-executor.3 [ 2613] 0 2613 18246 9074 28 4 0 1000 syz-executor.5 [ 2636] 0 2636 18246 8984 28 4 0 1000 syz-executor.5 [ 2642] 0 2642 18246 12844 33 4 0 1000 syz-executor.0 [ 2668] 0 2668 18213 8951 28 4 0 1000 syz-executor.5 [ 2695] 0 2695 18246 9271 29 4 0 1000 syz-executor.5 [ 2702] 0 2702 18213 8748 27 4 0 1000 syz-executor.0 [ 2727] 0 2727 18246 9636 29 4 0 1000 syz-executor.5 [ 2769] 0 2769 18213 9087 27 4 0 1000 syz-executor.4 [ 2778] 0 2778 18213 8984 28 4 0 1000 syz-executor.5 [ 2780] 0 2780 18213 8748 27 4 0 1000 syz-executor.0 [ 2804] 0 2804 18213 9119 28 4 0 1000 syz-executor.5 [ 2809] 0 2809 18213 8843 27 4 0 1000 syz-executor.4 [ 2814] 0 2814 18213 8891 27 4 0 1000 syz-executor.3 [ 2825] 0 2825 18213 9219 28 4 0 1000 syz-executor.5 [ 2855] 0 2855 18213 9061 27 4 0 1000 syz-executor.3