RBP: 00007f1ca895b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000007ffffff9 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffc1d41ca1f R14: 00007f1ca895b300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 67 at kernel/kprobes.c:579 do_free_cleaned_kprobes kernel/kprobes.c:579 [inline] WARNING: CPU: 0 PID: 67 at kernel/kprobes.c:579 kprobe_optimizer+0x422/0x7e0 kernel/kprobes.c:624 Modules linked in: CPU: 0 PID: 67 Comm: kworker/0:2 Not tainted 5.10.52 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: events kprobe_optimizer RIP: 0010:do_free_cleaned_kprobes kernel/kprobes.c:579 [inline] RIP: 0010:kprobe_optimizer+0x422/0x7e0 kernel/kprobes.c:624 Code: 85 47 03 00 00 48 bb 00 00 00 00 00 fc ff df 4d 8b 27 4d 8d 74 24 88 49 81 ff a0 33 e3 84 75 42 e9 57 01 00 00 e8 ae cf ff ff <0f> 0b e8 a7 cf ff ff 4d 8d 6e 78 4c 89 e8 48 c1 e8 03 80 3c 18 00 RSP: 0018:ffff88800dd27ce8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff813fb682 RDX: ffff88800b7ae500 RSI: ffffffff813fb582 RDI: 0000000000000005 RBP: ffff888022347f00 R08: 0000000000000001 R09: ffffffff864f2627 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888022347f78 R14: ffffffff84e33328 R15: ffffffff84e333a0 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cd057 CR3: 00000000451a2000 CR4: 0000000000350ef0 Call Trace: process_one_work+0x9a9/0x1590 kernel/workqueue.c:2270 worker_thread+0x61d/0x1310 kernel/workqueue.c:2416 kthread+0x38f/0x470 kernel/kthread.c:292 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296 irq event stamp: 6853 hardirqs last enabled at (6861): [] console_unlock+0x929/0xb30 kernel/printk/printk.c:2552 hardirqs last disabled at (6870): [] console_unlock+0x835/0xb30 kernel/printk/printk.c:2467 softirqs last enabled at (6410): [] srcu_invoke_callbacks+0x1db/0x380 kernel/rcu/srcutree.c:1191 softirqs last disabled at (6404): [] spin_unlock_irq include/linux/spinlock.h:404 [inline] softirqs last disabled at (6404): [] srcu_invoke_callbacks+0x1ab/0x380 kernel/rcu/srcutree.c:1186 ---[ end trace b23aa079e6243a25 ]--- FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8142 Comm: syz-executor.6 Tainted: G W 5.10.52 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 prepare_alloc_pages mm/page_alloc.c:4899 [inline] __alloc_pages_nodemask+0x182/0x680 mm/page_alloc.c:4941 alloc_pages_current+0x187/0x280 mm/mempolicy.c:2271 alloc_pages include/linux/gfp.h:547 [inline] push_pipe+0x2b6/0x690 lib/iov_iter.c:541 __pipe_get_pages lib/iov_iter.c:1285 [inline] pipe_get_pages lib/iov_iter.c:1318 [inline] iov_iter_get_pages+0x6b0/0xf40 lib/iov_iter.c:1329 __bio_iov_iter_get_pages block/bio.c:1012 [inline] bio_iov_iter_get_pages+0x224/0x1030 block/bio.c:1120 iomap_dio_bio_actor+0x77a/0xef0 fs/iomap/direct-io.c:282 iomap_dio_actor+0x36f/0x560 fs/iomap/direct-io.c:389 iomap_apply+0x282/0x9e0 fs/iomap/apply.c:84 __iomap_dio_rw+0x6cd/0x11a0 fs/iomap/direct-io.c:517 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:605 ext4_dio_read_iter fs/ext4/file.c:77 [inline] ext4_file_read_iter fs/ext4/file.c:129 [inline] ext4_file_read_iter+0x2c3/0x4c0 fs/ext4/file.c:114 call_read_iter include/linux/fs.h:1897 [inline] generic_file_splice_read+0x455/0x6d0 fs/splice.c:311 do_splice_to+0x10e/0x160 fs/splice.c:788 splice_direct_to_actor+0x2fe/0x980 fs/splice.c:867 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x54f/0x1040 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1cd/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1ca895b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000006 RBP: 00007f1ca895b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000007ffffff9 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffc1d41ca1f R14: 00007f1ca895b300 R15: 0000000000022000