------------[ cut here ]------------ kcov->t != t WARNING: kernel/kcov.c:483 at kcov_task_exit+0xf5/0x160 kernel/kcov.c:483, CPU#1: syz.1.2823/14700 Modules linked in: CPU: 1 UID: 0 PID: 14700 Comm: syz.1.2823 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:kcov_task_exit+0xf5/0x160 kernel/kcov.c:483 Code: 10 00 00 48 8b bb 90 00 00 00 e8 f6 ce 55 00 48 89 df 5b 41 5e 41 5f e9 c9 8f 5b 00 7c 1c 5b 41 5e 41 5f e9 8d e7 5a 09 cc 90 <0f> 0b 90 4c 89 f7 5b 41 5e 41 5f e9 3b 80 59 09 48 89 df be 03 00 RSP: 0018:ffffc9001bdf7d20 EFLAGS: 00010283 RAX: 7a42b3bd66d24e00 RBX: ffff88801eaf9f00 RCX: 0000000000000000 RDX: 0000000040d37c8c RSI: ffffffff8ba75cc0 RDI: 00000000ffffffff RBP: ffffc9001bdf7e78 R08: ffffffff8b1deb60 R09: ffffffff8dfc8100 R10: dffffc0000000000 R11: fffffbfff1f10e1f R12: dffffc0000000000 R13: 0000000000000000 R14: ffff88801eaf9f08 R15: ffff88801ff21ec0 FS: 000055556376a500(0000) GS:ffff888126287000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f56bd631f5c CR3: 0000000076e5a000 CR4: 00000000003526f0 Call Trace: do_exit+0x150/0x22c0 kernel/exit.c:909 do_group_exit+0x21b/0x2d0 kernel/exit.c:1119 __do_sys_exit_group kernel/exit.c:1130 [inline] __se_sys_exit_group kernel/exit.c:1128 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1128 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0e73ccce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff5c937ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e73ccce59 RDX: 0000001b32d24000 RSI: 000000000000001e RDI: 0000000000000000 RBP: 00007fff5c937b4c R08: 0000000000000006 R09: 00000000000927c0 R10: 00000000003fe100 R11: 0000000000000246 R12: 0000000000000200 R13: 00000000000927c0 R14: 000000000013b3a8 R15: 00007fff5c937ba0