watchdog: BUG: soft lockup - CPU#0 stuck for 24s! [syz-executor.2:7458] Modules linked in: irq event stamp: 3186405 hardirqs last enabled at (3186404): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3186405): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3181170): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3181173): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 7458 Comm: syz-executor.2 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x4a8/0x2490 Code: 00 fc ff df 48 8d 41 05 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 c6 83 e6 07 40 38 f2 7f 08 84 d2 0f 85 16 17 00 00 0f b6 51 05 <83> e2 07 0f 84 51 fe ff ff 80 fa 01 0f 84 70 fe ff ff 4c 8d 41 04 RSP: 0018:ffff88806ce09008 EFLAGS: 00000246 RAX: ffffffff86ba518f RBX: 0000000000000002 RCX: ffffffff86ba518a RDX: 0000000000000002 RSI: 0000000000000007 RDI: ffffffff8670b504 RBP: ffff88806ce090d0 R08: ffffffff86ba518a R09: ffff88806ce090b8 R10: 000000000003c001 R11: 00000000000b6cef R12: ffff88806ce090d8 R13: ffff88806ce090c0 R14: ffff88806ce090b9 R15: ffff88806ce09078 FS: 00007fb299fa4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f556d202718 CR3: 000000003da14000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kfree+0x132/0x480 ieee80211_inform_bss+0x7f6/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x21ec/0x2cf0 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_pc+0x60/0x80 Code: 8b 82 ec 14 00 00 85 c0 75 05 e9 7b f4 32 03 8b 82 c8 14 00 00 83 f8 02 75 f0 48 8b 8a d0 14 00 00 8b 92 cc 14 00 00 48 8b 01 <48> 83 c0 01 48 39 c2 76 d7 48 89 01 48 89 34 c1 e9 4b f4 32 03 66 RSP: 0018:ffff88804042f0a8 EFLAGS: 00000246 RAX: 000000000003ffff RBX: 0000000000000012 RCX: ffffc900007df000 RDX: 0000000000040000 RSI: ffffffff81465ce7 RDI: 0000000000000001 RBP: ffffffff85315b0d R08: ffff88804042f160 R09: ffff88804042f280 R10: 0000000000000012 R11: 00000000000c2f81 R12: 0000000000000041 R13: 0000000000000061 R14: dffffc0000000000 R15: ffff88804042f180 get_symbol_offset+0x87/0x150 kallsyms_lookup_buildid+0xe1/0x230 __sprint_symbol.constprop.0+0xa8/0x1d0 symbol_string+0x174/0x470 pointer+0x3b4/0xc70 vsnprintf+0x552/0x1620 seq_printf+0x19d/0x250 vmalloc_info_show+0x178/0xbb0 seq_read_iter+0x50e/0x1300 proc_reg_read_iter+0x20e/0x2e0 copy_splice_read+0x5c6/0xb70 do_splice_read+0x1f8/0x2a0 splice_direct_to_actor+0x2a9/0x9d0 do_splice_direct+0x17a/0x250 do_sendfile+0xaf1/0xe40 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb29ca2eb19 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:00007fb299fa4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fb29cb41f60 RCX: 00007fb29ca2eb19 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004 RBP: 00007fb29ca88f6d R08: 0000000000000000 R09: 0000000000000000 R10: 000000010000027f R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff52371b1f R14: 00007fb299fa4300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 284 Comm: syz-executor.7 Not tainted 6.12.0-rc3-next-20241016 #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:ffff888039167550 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff84845a6f RDX: ffffed100118ab0d RSI: 0000000000000004 RDI: ffff888008c55860 RBP: ffff888008c55860 R08: 0000000000000000 R09: ffffed100118ab0c R10: ffff888008c55863 R11: 00000000000c2f81 R12: 1ffff1100722ceab R13: 0000000000000003 R14: ffffed100118ab0c R15: ffff888039167588 FS: 0000555556701400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff7ace4ff8 CR3: 0000000018f76000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: do_raw_spin_lock+0x1de/0x270 alloc_vmap_area+0x7b9/0x24a0 __get_vm_area_node+0x18b/0x250 __vmalloc_node_range_noprof+0x24e/0x1510 __vmalloc_node_noprof+0xac/0xf0 do_ipt_get_ctl+0x569/0xee0 nf_getsockopt+0x7c/0xd0 ip_getsockopt+0x190/0x1f0 tcp_getsockopt+0xa3/0x110 do_sock_getsockopt+0x24e/0x430 __sys_getsockopt+0x115/0x1e0 __x64_sys_getsockopt+0xbe/0x160 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f096db5913a Code: 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 37 00 00 00 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:00007fff7ace61e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f096db5913a RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fff7ace6210 R08: 00007fff7ace620c R09: fefefefeff646b66 R10: 00007fff7ace6270 R11: 0000000000000212 R12: 00007fff7ace6270 R13: 0000000000000003 R14: 00007fff7ace620c R15: 00007f096dc3baa0 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: df 48 8d fisttps -0x73(%rax) 3: 41 05 48 89 c6 48 rex.B add $0x48c68948,%eax 9: c1 ee 03 shr $0x3,%esi c: 0f b6 14 16 movzbl (%rsi,%rdx,1),%edx 10: 48 89 c6 mov %rax,%rsi 13: 83 e6 07 and $0x7,%esi 16: 40 38 f2 cmp %sil,%dl 19: 7f 08 jg 0x23 1b: 84 d2 test %dl,%dl 1d: 0f 85 16 17 00 00 jne 0x1739 23: 0f b6 51 05 movzbl 0x5(%rcx),%edx * 27: 83 e2 07 and $0x7,%edx <-- trapping instruction 2a: 0f 84 51 fe ff ff je 0xfffffe81 30: 80 fa 01 cmp $0x1,%dl 33: 0f 84 70 fe ff ff je 0xfffffea9 39: 4c 8d 41 04 lea 0x4(%rcx),%r8