9pnet: Could not find request transport: rdma syz-executor.3: attempt to access beyond end of device loop3: rw=0, sector=0, nr_sectors = 1 limit=0 FAT-fs (loop3): unable to read boot sector 9pnet: Could not find request transport: rdma watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.4:7902] Modules linked in: irq event stamp: 3948339 hardirqs last enabled at (3948338): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3948339): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3933646): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3933651): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 7902 Comm: syz-executor.4 Not tainted 6.12.0-next-20241121 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xa99/0x2490 Code: f7 e8 ab eb ff ff 48 89 ef 48 8b 74 24 10 48 ba 00 00 00 00 00 fc ff df 48 c1 ef 03 48 8b 4c 24 18 4c 8b 44 24 20 80 3c 17 00 <0f> 85 9a 18 00 00 49 89 47 58 48 3d d0 07 13 81 0f 84 74 0e 00 00 RSP: 0018:ffff88806cf09508 EFLAGS: 00000246 RAX: ffffffff845f2a41 RBX: 0000000000000002 RCX: ffffffff86bc1ba2 RDX: dffffc0000000000 RSI: ffff88806cf09dd0 RDI: 1ffff1100d9e12ba RBP: ffff88806cf095d0 R08: ffffffff86bc1ba6 R09: ffff88806cf095b8 R10: 000000000003c001 R11: 00000000000b9fbf R12: ffff88806cf095d8 R13: ffff88806cf095c0 R14: ffff88806cf09dd8 R15: ffff88806cf09578 FS: 00007f99e4e57700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555865f1708 CR3: 0000000035b14000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 __alloc_skb+0x2ad/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 e4 92 ab ff 4d 85 ed 74 06 e8 6a 5f d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff8880415f7c00 EFLAGS: 00000246 RAX: 00000000003c05d1 RBX: ffffea00003446c0 RCX: 1ffffffff0fdfacf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a5e6 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdd9f1 R10: ffffffff87eecf8f R11: 0000000000000000 R12: ffff88806cf40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800d11bcb8 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 getname_flags.part.0+0x48/0x550 getname_flags+0x95/0xe0 user_path_at+0x27/0x90 __x64_sys_open_tree+0x278/0x430 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f99e7923b19 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:00007f99e4e57188 EFLAGS: 00000246 ORIG_RAX: 00000000000001ac RAX: ffffffffffffffda RBX: 00007f99e7a370e0 RCX: 00007f99e7923b19 RDX: 0000000000001000 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007f99e797df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe873cefbf R14: 00007f99e4e57300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-next-20241121 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x242/0xb60 Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 85 08 00 00 b8 01 00 00 00 66 89 45 00 e9 bf fe ff ff 89 44 24 38 f3 90 5b fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 RSP: 0018:ffff88806ce099e0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8486f2bf RDX: fffffbfff0c1b639 RSI: 0000000000000004 RDI: ffffffff860db1c0 RBP: ffffffff860db1c0 R08: 0000000000000000 R09: fffffbfff0c1b638 R10: ffffffff860db1c3 R11: 5050505000000011 R12: 1ffff1100d9c133d R13: 0000000000000003 R14: fffffbfff0c1b638 R15: ffff88806ce09a18 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb4ddaab010 CR3: 000000000dab8000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1de/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6d1/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d e9 b0 3d 00 0f 1f 44 00 00 fb f4 e9 7c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000202 RAX: 000000000030c107 RBX: 0000000000000000 RCX: ffffffff8484caf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b10ea RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6cba R10: ffff88806ce365d3 R11: 0000000000000000 R12: ffffffff863f9410 R13: 1ffffffff0b40fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 rest_init+0x164/0x290 start_kernel+0x40d/0x530 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess): 0: f7 e8 imul %eax 2: ab stos %eax,%es:(%rdi) 3: eb ff jmp 0x4 5: ff 48 89 decl -0x77(%rax) 8: ef out %eax,(%dx) 9: 48 8b 74 24 10 mov 0x10(%rsp),%rsi e: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 15: fc ff df 18: 48 c1 ef 03 shr $0x3,%rdi 1c: 48 8b 4c 24 18 mov 0x18(%rsp),%rcx 21: 4c 8b 44 24 20 mov 0x20(%rsp),%r8 26: 80 3c 17 00 cmpb $0x0,(%rdi,%rdx,1) * 2a: 0f 85 9a 18 00 00 jne 0x18ca <-- trapping instruction 30: 49 89 47 58 mov %rax,0x58(%r15) 34: 48 3d d0 07 13 81 cmp $0xffffffff811307d0,%rax 3a: 0f 84 74 0e 00 00 je 0xeb4