loop1: detected capacity change from 0 to 40 Process accounting resumed Process accounting resumed watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.3:14171] Modules linked in: irq event stamp: 2784083 hardirqs last enabled at (2784082): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2784083): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2769444): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2769447): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 14171 Comm: syz-executor.3 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xa78/0x2490 Code: 89 4c 24 18 48 89 74 24 10 e8 c4 f3 ff ff 4d 8d 4f 40 84 c0 0f 84 9e f8 ff ff 48 8b 74 24 10 48 89 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 RSP: 0018:ffff88806cf09738 EFLAGS: 00000202 RAX: ffffffff835e1d46 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806cf09c01 RSI: ffff88806cf09cd8 RDI: ffff88806cf09800 RBP: ffff88806cf09800 R08: ffffffff86a7a52e R09: ffff88806cf097e8 R10: 000000000003aab6 R11: 0000000000082bd3 R12: ffff88806cf09808 R13: ffff88806cf097f0 R14: ffff88806cf09ce0 R15: ffff88806cf097a8 FS: 00007f0dfc796700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff4bc60c004 CR3: 0000000032ea2000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __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/0xa80 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:___cache_free+0x6c/0xf0 Code: 89 c2 f6 c2 01 0f 85 80 00 00 00 66 90 41 80 7a 33 f5 b8 00 00 00 00 4c 0f 45 d0 65 48 8b 05 23 50 5d 7e 48 03 07 48 8b 50 08 <4c> 39 50 10 75 42 8b 4f 28 48 8b 00 48 89 04 0b 48 8d 4a 40 48 8b RSP: 0018:ffff8880400474c8 EFLAGS: 00000282 RAX: ffff88806cf3f3d0 RBX: ffff888012b54840 RCX: ffffea00004ad500 RDX: 000000000004a741 RSI: ffff888012b54840 RDI: ffff888008c41500 RBP: ffff8880400474d0 R08: ffff888009bc85a0 R09: ffffffff81abe3eb R10: ffffea00004ad500 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888040047518 R14: ffff888012b54840 R15: ffff888012b54840 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc94/0xff0 alloc_inode+0x89/0x240 new_inode+0x1c/0x190 __ext4_new_inode+0x2f0/0x4b20 ext4_create+0x2e3/0x4e0 lookup_open.isra.0+0x11c1/0x1620 path_openat+0xc91/0x2990 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0dff220b19 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:00007f0dfc796188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f0dff333f60 RCX: 00007f0dff220b19 RDX: 00000000001c1042 RSI: 0000000020000200 RDI: ffffffffffffff9c RBP: 00007f0dff27af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff1188197f R14: 00007f0dfc796300 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 6.13.0-rc3-next-20241220 #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: ffffffff84aa53ff RDX: fffffbfff0c1bb01 RSI: 0000000000000004 RDI: ffffffff860dd800 RBP: ffffffff860dd800 R08: 0000000000000000 R09: fffffbfff0c1bb00 R10: ffffffff860dd803 R11: 0000000000000001 R12: 1ffff1100d9c133d R13: 0000000000000003 R14: fffffbfff0c1bb00 R15: ffff88806ce09a18 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f76d5480998 CR3: 000000000dcec000 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/0xa80 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 69 56 1a 00 0f 1f 44 00 00 fb f4 e9 1c 30 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000206 RAX: 0000000000185ce1 RBX: 0000000000000000 RCX: ffffffff84a82a97 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff814b32ba RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6c4a R10: ffff88806ce36253 R11: 0000000000000000 R12: ffffffff863fcc90 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+0x412/0x540 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=21s 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_io_error: 14 callbacks suppressed 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 ---------------- Code disassembly (best guess): 0: 89 4c 24 18 mov %ecx,0x18(%rsp) 4: 48 89 74 24 10 mov %rsi,0x10(%rsp) 9: e8 c4 f3 ff ff callq 0xfffff3d2 e: 4d 8d 4f 40 lea 0x40(%r15),%r9 12: 84 c0 test %al,%al 14: 0f 84 9e f8 ff ff je 0xfffff8b8 1a: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 1f: 48 89 f7 mov %rsi,%rdi 22: e8 ab eb ff ff callq 0xffffebd2 27: 48 89 ef mov %rbp,%rdi * 2a: 48 8b 74 24 10 mov 0x10(%rsp),%rsi <-- trapping instruction 2f: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 36: fc ff df 39: 48 c1 ef 03 shr $0x3,%rdi 3d: 48 rex.W 3e: 8b .byte 0x8b 3f: 4c rex.WR