watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:14818] Modules linked in: irq event stamp: 3746325 hardirqs last enabled at (3746324): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3746325): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3720240): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3720261): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 14818 Comm: syz-executor.1 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+0x684/0x2490 Code: c7 c2 f0 c3 75 86 48 c7 c6 f0 c3 75 86 48 c7 c7 48 01 43 86 48 81 ea 48 01 43 86 48 c1 fa 02 e8 c2 ef ff ff 48 89 c1 48 85 c9 <0f> 85 ee fd ff ff e9 aa fd ff ff 41 80 fe 02 0f 84 76 09 00 00 41 RSP: 0018:ffff88806ce08d48 EFLAGS: 00000286 RAX: ffffffff86829b42 RBX: 0000000000000002 RCX: ffffffff86829b42 RDX: 0000000000000000 RSI: ffffffff86829b42 RDI: ffffffff864b90d4 RBP: ffff88806ce08e10 R08: ffffffff86829b42 R09: ffff88806ce08df8 R10: 000000000003c001 R11: 00000000000223e3 R12: ffff88806ce08e18 R13: ffff88806ce08e00 R14: ffff88806ce08df9 R15: ffff88806ce08db8 FS: 00007fa8e0179700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556f102c58 CR3: 000000003688e000 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_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 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:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 f8 ed f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 d6 ed f1 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff888009a77590 EFLAGS: 00000286 RAX: ffff88803a5e4818 RBX: ffff88803a5e4818 RCX: ffff8880ba5e4818 RDX: ffffea0000e97900 RSI: ffff888008c4f780 RDI: ffffffff8183f876 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: 0000000000000000 R12: 0000000000000000 R13: ffff888009a775c8 R14: ffff88800e9f2000 R15: ffff88800e9f2000 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 ptlock_alloc+0x21/0x70 pte_alloc_one+0x78/0x320 __pte_alloc+0x6d/0x330 copy_page_range+0x2845/0x4cf0 copy_process+0x7d17/0x8e00 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa8e2c03b19 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:00007fa8e0179188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fa8e2d16f60 RCX: 00007fa8e2c03b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000640 RBP: 00007fa8e2c5df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff380e6e3f R14: 00007fa8e0179300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 hpet: Lost 4 RTC interrupts sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 8 prio class 0 Buffer I/O error on dev sr0, logical block 0, async page read Buffer I/O error on dev sr0, logical block 1, async page read Buffer I/O error on dev sr0, logical block 2, async page read Buffer I/O error on dev sr0, logical block 3, async page read Buffer I/O error on dev sr0, logical block 4, async page read Buffer I/O error on dev sr0, logical block 5, async page read Buffer I/O error on dev sr0, logical block 6, async page read Buffer I/O error on dev sr0, logical block 7, async page read sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 8 prio class 0 Buffer I/O error on dev sr0, logical block 0, async page read Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 8 prio class 0 EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: writeback. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: writeback. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: writeback. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: writeback. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: writeback. ---------------- Code disassembly (best guess): 0: c7 c2 f0 c3 75 86 mov $0x8675c3f0,%edx 6: 48 c7 c6 f0 c3 75 86 mov $0xffffffff8675c3f0,%rsi d: 48 c7 c7 48 01 43 86 mov $0xffffffff86430148,%rdi 14: 48 81 ea 48 01 43 86 sub $0xffffffff86430148,%rdx 1b: 48 c1 fa 02 sar $0x2,%rdx 1f: e8 c2 ef ff ff callq 0xffffefe6 24: 48 89 c1 mov %rax,%rcx 27: 48 85 c9 test %rcx,%rcx * 2a: 0f 85 ee fd ff ff jne 0xfffffe1e <-- trapping instruction 30: e9 aa fd ff ff jmpq 0xfffffddf 35: 41 80 fe 02 cmp $0x2,%r14b 39: 0f 84 76 09 00 00 je 0x9b5 3f: 41 rex.B