watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:2:48] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1dba/0x6df0 softirqs last enabled at (0): [] copy_process+0x1dfe/0x6df0 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 1 PID: 48 Comm: kworker/1:2 Tainted: G B 6.0.0-rc4-next-20220908 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: events perf_sched_delayed RIP: 0010:smp_call_function_many_cond+0x46d/0xcc0 Code: 31 ff 83 e5 01 89 ee e8 c1 4a 0a 00 85 ed 74 43 4d 89 ec 4c 89 ed 49 c1 ec 03 83 e5 07 4d 01 fc 83 c5 03 e8 f5 4d 0a 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 ac 06 00 00 8b 43 08 31 RSP: 0018:ffff88800fa0fa98 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff88806ce3eda0 RCX: 0000000000000000 RDX: ffff88800fa00000 RSI: ffffffff813bd61b RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffed100d9c7db5 R13: ffff88806ce3eda8 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c008925000 CR3: 0000000005226000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: on_each_cpu_cond_mask+0x56/0xa0 text_poke_bp_batch+0x236/0x6d0 text_poke_finish+0x16/0x30 arch_jump_label_transform_apply+0x13/0x20 jump_label_update+0x32f/0x410 static_key_disable_cpuslocked+0x152/0x1b0 static_key_disable+0x16/0x20 perf_sched_delayed+0x5f/0x70 process_one_work+0xa17/0x16a0 worker_thread+0x637/0x1260 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 43521 Comm: syz-executor Tainted: G B 6.0.0-rc4-next-20220908 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:kasan_check_range+0xe9/0x1c0 Code: d0 0f 84 c4 00 00 00 48 83 38 00 74 ed 48 8d 50 08 eb 09 48 83 c0 01 48 39 c2 74 72 80 38 00 74 f2 41 bb 01 00 00 00 48 85 c0 <75> 46 5b 44 89 d8 5d 41 5c e9 49 bb e7 02 41 bc 08 00 00 00 48 89 RSP: 0018:ffff888060fd79d8 EFLAGS: 00000086 RAX: ffffed100135cb60 RBX: ffffed100135cb61 RCX: ffffffff8425c187 RDX: ffffed100135cb61 RSI: 0000000000000004 RDI: ffff888009ae5b00 RBP: ffffed100135cb60 R08: 0000000000000000 R09: ffff888009ae5b03 R10: ffffed100135cb60 R11: 0000000000000001 R12: 0000000000000003 R13: ffffed100135cb60 R14: 0000000000000001 R15: 1ffff1100c1faf40 FS: 00005555555ce400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055cf2e054148 CR3: 000000001faec000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: queued_spin_lock_slowpath+0xa7/0xc80 do_raw_spin_lock+0x1dc/0x260 kmemleak_scan+0x21d/0x16f0 kmemleak_write+0x570/0x680 full_proxy_write+0x11d/0x190 vfs_write+0x2cb/0xd90 ksys_write+0x127/0x250 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2e5adaa5c3 Code: 16 00 00 00 eb ae 90 b8 6e 00 00 00 eb a6 e8 44 ef 04 00 0f 1f 40 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RSP: 002b:00007fff76f6d0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fff76f6d728 RCX: 00007f2e5adaa5c3 RDX: 0000000000000004 RSI: 00007f2e5ae60ed9 RDI: 0000000000000003 RBP: 0000000000000002 R08: 000000000000072e R09: 00007fff76fdb080 R10: 00007fff76fdb090 R11: 0000000000000246 R12: 00000000fffffff6 R13: 00007fff76f6eef1 R14: 0000000000000000 R15: 00000000001c0c0c ---------------- Code disassembly (best guess): 0: 31 ff xor %edi,%edi 2: 83 e5 01 and $0x1,%ebp 5: 89 ee mov %ebp,%esi 7: e8 c1 4a 0a 00 callq 0xa4acd c: 85 ed test %ebp,%ebp e: 74 43 je 0x53 10: 4d 89 ec mov %r13,%r12 13: 4c 89 ed mov %r13,%rbp 16: 49 c1 ec 03 shr $0x3,%r12 1a: 83 e5 07 and $0x7,%ebp 1d: 4d 01 fc add %r15,%r12 20: 83 c5 03 add $0x3,%ebp 23: e8 f5 4d 0a 00 callq 0xa4e1d 28: f3 90 pause * 2a: 41 0f b6 04 24 movzbl (%r12),%eax <-- trapping instruction 2f: 40 38 c5 cmp %al,%bpl 32: 7c 08 jl 0x3c 34: 84 c0 test %al,%al 36: 0f 85 ac 06 00 00 jne 0x6e8 3c: 8b 43 08 mov 0x8(%rbx),%eax 3f: 31 .byte 0x31