------------[ cut here ]------------ kernel BUG at kernel/sched/core.c:6694! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5486 Comm: syz.1.38 Not tainted 6.11.0-rc4-next-20240821-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:do_task_dead+0xc5/0xd0 kernel/sched/core.c:6694 Code: 03 42 0f b6 04 20 84 c0 74 14 89 d9 80 e1 07 80 c1 03 38 c1 7c 08 48 89 df e8 57 04 98 00 80 4b 01 80 31 ff e8 5c 0a 61 0a 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90009547a70 EFLAGS: 00010246 RAX: 787ffb6a89f65100 RBX: ffff8880227f002c RCX: 1ffff920012a8f28 RDX: dffffc0000000000 RSI: ffffffff8c0ace40 RDI: ffffffff8c609da0 RBP: ffffc90009547c00 R08: ffffffff901c0c6f R09: 1ffffffff203818d R10: dffffc0000000000 R11: fffffbfff203818e R12: dffffc0000000000 R13: ffffffff81644109 R14: ffff8880227f0a00 R15: 0000000000000246 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020159030 CR3: 000000002c8ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_exit+0x1f7f/0x28e0 kernel/exit.c:990 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x176f/0x1810 kernel/signal.c:2936 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f636bb79e79 Code: Unable to access opcode bytes at 0x7f636bb79e4f. RSP: 002b:00007f636c9840e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f636bd16060 RCX: 00007f636bb79e79 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f636bd16060 RBP: 00007f636bd16058 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f636bd16064 R13: 0000000000000000 R14: 00007ffc785f04a0 R15: 00007ffc785f0588 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_task_dead+0xc5/0xd0 kernel/sched/core.c:6694 Code: 03 42 0f b6 04 20 84 c0 74 14 89 d9 80 e1 07 80 c1 03 38 c1 7c 08 48 89 df e8 57 04 98 00 80 4b 01 80 31 ff e8 5c 0a 61 0a 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90