------------[ cut here ]------------ WARNING: CPU: 0 PID: 20011 at kernel/kcov.c:477 kcov_task_exit+0x13c/0x150 kernel/kcov.c:477 Modules linked in: CPU: 0 UID: 0 PID: 20011 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:kcov_task_exit+0x13c/0x150 kernel/kcov.c:477 Code: c7 c7 90 3e c5 8e 48 c7 c6 38 22 da 8c 48 c7 c2 17 f8 d8 8c 4c 89 f9 e8 a2 3b f1 02 4c 39 bb 98 00 00 00 0f 84 ff fe ff ff 90 <0f> 0b 90 4c 89 f7 5b 41 5e 41 5f e9 c4 0e 04 09 0f 1f 40 00 90 90 RSP: 0018:ffffc9000554fac0 EFLAGS: 00010206 RAX: 81d5c47669495900 RBX: ffff88802ee2e600 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8b3ddd40 RDI: 00000000ffffffff RBP: ffffc9000554fc28 R08: 0000000000000000 R09: ffffffff8ac2bb41 R10: dffffc0000000000 R11: fffffbfff1dac76f R12: 1ffff11005d8888d R13: 0000000000000009 R14: ffff88802ee2e608 R15: ffff88802ae39e00 FS: 000055557668e500(0000) GS:ffff888126df7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001000 CR3: 00000000568ac000 CR4: 00000000003526f0 Call Trace: do_exit+0x105/0x2300 kernel/exit.c:905 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107 get_signal+0x125d/0x1310 kernel/signal.c:3034 arch_do_signal_or_restart+0xa0/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x72/0x130 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f49d398155c Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b RSP: 002b:00007fffadfd2e10 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: 0000000000000040 RBX: 00007f49d4704620 RCX: 00007f49d398155c RDX: 0000000000000040 RSI: 00007f49d4704670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fffadfd2e64 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f49d4704670 R15: 0000000000000000