process 9110 (syz.4.782) no longer affine to cpu1 ------------[ cut here ]------------ debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0) WARNING: kernel/sched/sched.h:1663 at lockdep_assert_rq_held kernel/sched/sched.h:1663 [inline], CPU#0: syz.4.782/9111 WARNING: kernel/sched/sched.h:1663 at update_rq_clock+0x34d/0x560 kernel/sched/core.c:865, CPU#0: syz.4.782/9111 Modules linked in: CPU: 0 UID: 0 PID: 9111 Comm: syz.4.782 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1663 [inline] RIP: 0010:update_rq_clock+0x34d/0x560 kernel/sched/core.c:865 Code: 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 0b 15 a1 00 4c 01 3b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 15 1e 49 0a cc 90 <0f> 0b 90 e9 42 fd ff ff 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e RSP: 0018:ffffc900056a72d8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b873bc40 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff8e4dae69 RDI: ffffffff8c4c8980 RBP: dffffc0000000000 R08: ffffffff9058fd7f R09: 1ffffffff20b1faf R10: dffffc0000000000 R11: ffffffff81a021b0 R12: 0000000000000001 R13: dffffc0000000001 R14: ffff8880b873cb08 R15: ffff8880b873bc40 FS: 00007efe6c18f6c0(0000) GS:ffff888124f0d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33b23ffc CR3: 00000000799b6000 CR4: 00000000003526f0 Call Trace: pick_next_task kernel/sched/core.c:6335 [inline] __schedule+0x3bcb/0x59a0 kernel/sched/core.c:7147 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7554 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x14f/0x910 kernel/entry/common.c:167 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:679 RIP: 0010:get_current arch/x86/include/asm/current.h:25 [inline] RIP: 0010:write_comp_data kernel/kcov.c:241 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x8/0x90 kernel/kcov.c:310 Code: 89 44 11 20 e9 49 5e 16 0a cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 15 c8 95 a9 11 65 8b 0d e9 95 a9 11 81 e1 00 01 00 1f 74 RSP: 0018:ffffc900056a7640 EFLAGS: 00000246 RAX: ffffffff89a5f97a RBX: ffff888078cee6e8 RCX: ffffffff89a196b0 RDX: ffffc9000f26d000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888078cee768 R08: ffffc900056a7830 R09: ffffc900056a77e0 R10: dffffc0000000000 R11: fffffbfff20b1fb0 R12: dffffc0000000000 R13: ffff888078cee700 R14: ffffc900056a77e0 R15: ffff888078cee600 __skb_try_recv_datagram+0xda/0x4e0 net/core/datagram.c:-1 __unix_dgram_recvmsg+0x2e4/0xd70 net/unix/af_unix.c:2578 sock_recvmsg_nosec+0x130/0x170 net/socket.c:1151 ____sys_recvmsg+0x3e3/0x4a0 net/socket.c:2927 ___sys_recvmsg+0x213/0x5a0 net/socket.c:2971 do_recvmmsg+0x31a/0x7f0 net/socket.c:3066 __sys_recvmmsg net/socket.c:3140 [inline] __do_sys_recvmmsg net/socket.c:3163 [inline] __se_sys_recvmmsg net/socket.c:3156 [inline] __x64_sys_recvmmsg+0x198/0x250 net/socket.c:3156 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x510 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efe6b39e0d9 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:00007efe6c18f028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007efe6b626090 RCX: 00007efe6b39e0d9 RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007efe6b435024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efe6b626128 R14: 00007efe6b626090 R15: 00007ffeae7b6678 ---------------- Code disassembly (best guess): 0: 89 44 11 20 mov %eax,0x20(%rcx,%rdx,1) 4: e9 49 5e 16 0a jmp 0xa165e52 9: cc int3 a: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 11: 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: f3 0f 1e fa endbr64 26: 48 8b 04 24 mov (%rsp),%rax * 2a: 65 48 8b 15 c8 95 a9 mov %gs:0x11a995c8(%rip),%rdx # 0x11a995fa <-- trapping instruction 31: 11 32: 65 8b 0d e9 95 a9 11 mov %gs:0x11a995e9(%rip),%ecx # 0x11a99622 39: 81 e1 00 01 00 1f and $0x1f000100,%ecx 3f: 74 .byte 0x74