FAT-fs (loop3): bogus number of reserved sectors FAT-fs (loop3): Can't find a valid FAT filesystem watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.4:4931] Modules linked in: irq event stamp: 5833841 hardirqs last enabled at (5833840): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5833841): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (5832762): [] tcp_metrics_flush_all+0x25c/0x370 softirqs last disabled at (5832763): [] do_softirq+0x48/0x80 CPU: 0 PID: 4931 Comm: syz-executor.4 Tainted: G L 6.4.0-rc3-next-20230525 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_access_ok+0x4d/0x1d0 Code: 83 ec 08 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 4b 01 00 00 8b 0b 85 c9 74 65 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa <48> c1 ea 03 80 3c 02 00 0f 85 30 01 00 00 48 8d 7b 10 4c 8b 6b 08 RSP: 0018:ffff88806ce09a08 EFLAGS: 00000202 RAX: dffffc0000000000 RBX: ffff88806ce09ab0 RCX: 0000000000000001 RDX: ffff88806ce09ab8 RSI: ffff888045f1f8c0 RDI: ffff88806ce09ab8 RBP: ffff888045f1f8c0 R08: ffffffff863f2e82 R09: ffffffff863f2e86 R10: 0000000000038001 R11: ffff88806ce09af0 R12: 0000000000000008 R13: ffff88806ce09af8 R14: ffff888045f1f8c0 R15: ffff88806ce09ab0 FS: 00007f7fd035e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0815a2b0f8 CR3: 0000000006a7a000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0xdcf/0x2480 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xff/0x4a0 rcu_core+0x8c8/0x2860 __do_softirq+0x1b7/0x7d4 do_softirq+0x48/0x80 __local_bh_enable_ip+0xed/0x110 tcp_metrics_flush_all+0x25c/0x370 ops_exit_list+0x12b/0x180 setup_net+0x5ea/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2b78/0x73b0 kernel_clone+0xeb/0x7d0 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f7fd2de8b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7fd035e188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f7fd2efbf60 RCX: 00007f7fd2de8b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f7fd2e42f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff3473f8af R14: 00007f7fd035e300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Tainted: G L 6.4.0-rc3-next-20230525 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lapic_next_deadline+0x25/0x50 Code: 90 90 90 90 90 f3 0f 1e fa 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 e9 12 22 40 03 48 89 c6 31 d2 bf e0 06 00 00 e8 73 a7 RSP: 0018:ffff88806cf09ee0 EFLAGS: 00000013 RAX: 000000e580509ef8 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000000e5 RSI: ffff88806cf28140 RDI: 0000000000053a6a RBP: ffff88806cf28140 R08: 0000000000000007 R09: 0000000000000000 R10: 00000000000ef73b R11: 0000000000000001 R12: 0000000000053a6a R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806cf2b900 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005587eb237618 CR3: 0000000015b96000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x248/0x360 tick_program_event+0xa4/0x140 hrtimer_interrupt+0x340/0x750 __sysvec_apic_timer_interrupt+0xff/0x380 sysvec_apic_timer_interrupt+0x69/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 33 47 34 00 fb f4 e9 ab 4b 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff888008e2fe70 EFLAGS: 00000206 RAX: 00000000001e8fc9 RBX: 0000000000000001 RCX: ffffffff844e28be RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81288115 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e69f8 R10: ffff88806cf34fc3 R11: 0000000000000001 R12: ffffffff85d38210 R13: 1ffff110011c5fd3 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x67/0xa0 do_idle+0x305/0x3c0 cpu_startup_entry+0x18/0x20 start_secondary+0x19f/0x200 secondary_startup_64_no_verify+0x179/0x17b ---------------- Code disassembly (best guess): 0: 83 ec 08 sub $0x8,%esp 3: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 7: 84 c0 test %al,%al 9: 74 08 je 0x13 b: 3c 03 cmp $0x3,%al d: 0f 8e 4b 01 00 00 jle 0x15e 13: 8b 0b mov (%rbx),%ecx 15: 85 c9 test %ecx,%ecx 17: 74 65 je 0x7e 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 8d 7b 08 lea 0x8(%rbx),%rdi 27: 48 89 fa mov %rdi,%rdx * 2a: 48 c1 ea 03 shr $0x3,%rdx <-- trapping instruction 2e: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 32: 0f 85 30 01 00 00 jne 0x168 38: 48 8d 7b 10 lea 0x10(%rbx),%rdi 3c: 4c 8b 6b 08 mov 0x8(%rbx),%r13