EXT4-fs: quotafile must be on filesystem root watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:21197] Modules linked in: irq event stamp: 2401703 hardirqs last enabled at (2401702): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2401703): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2372394): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2372397): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 21197 Comm: syz-executor.0 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:srso_safe_ret+0x0/0x20 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 b8 <48> 8d 64 24 08 c3 cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 66 2e 0f RSP: 0018:ffff88806ce09660 EFLAGS: 00000286 RAX: ffffffff8184c7ac RBX: ffffffff813f2300 RCX: 0000000000000001 RDX: 1ffff1100d9c12da RSI: ffffffff8184c7ac RDI: ffff88806ce09740 RBP: ffff88806ce09710 R08: 0000000000000001 R09: ffff88806ce096b8 R10: 000000000003c001 R11: 0000000000023d40 R12: ffff88806ce09740 R13: 0000000000000000 R14: ffff888034b5b700 R15: 0000000000082820 FS: 00007f2a1bc54700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055dbdadaf9b8 CR3: 0000000041b2e000 CR4: 0000000000350ef0 Call Trace: srso_return_thunk+0x5/0x5f __pfx_stack_trace_consume_entry+0x10/0x10 arch_stack_walk+0x77/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/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:__sanitizer_cov_trace_pc+0x70/0x80 Code: 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 ab e7 34 03 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffff888039bc77a0 EFLAGS: 00000216 RAX: 0000000000011ee5 RBX: 00007f2a1d35a000 RCX: ffffc90002a04000 RDX: 0000000000040000 RSI: ffffffff8179b0c7 RDI: ffff88800b89b700 RBP: 00007f2a1d35a000 R08: 0000000000000000 R09: ffffed1007378fbf R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff88800b89b700 R13: 8000000036274007 R14: 8000000000000007 R15: 0000000000000001 vm_normal_folio+0x17/0x160 queue_folios_pte_range+0x28e/0xa40 walk_pgd_range+0xc0b/0x1cb0 __walk_page_range+0x15b/0x7f0 walk_page_range_mm+0x422/0x900 walk_page_range+0x65/0x90 queue_pages_range+0xf6/0x180 do_migrate_pages+0x27d/0x710 kernel_migrate_pages+0x59b/0x750 __x64_sys_migrate_pages+0x97/0x100 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2a1e6deb19 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:00007f2a1bc54188 EFLAGS: 00000246 ORIG_RAX: 0000000000000100 RAX: ffffffffffffffda RBX: 00007f2a1e7f1f60 RCX: 00007f2a1e6deb19 RDX: 0000000020000100 RSI: 0000000000000005 RDI: 0000000000000000 RBP: 00007f2a1e738f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9bd86daf R14: 00007f2a1bc54300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: c8 14 00 00 enterq $0x14,$0x0 4: 83 f8 02 cmp $0x2,%eax 7: 75 f0 jne 0xfffffff9 9: 48 8b 8a d0 14 00 00 mov 0x14d0(%rdx),%rcx 10: 8b 92 cc 14 00 00 mov 0x14cc(%rdx),%edx 16: 48 8b 01 mov (%rcx),%rax 19: 48 83 c0 01 add $0x1,%rax 1d: 48 39 c2 cmp %rax,%rdx 20: 76 d7 jbe 0xfffffff9 22: 48 89 01 mov %rax,(%rcx) 25: 48 89 34 c1 mov %rsi,(%rcx,%rax,8) * 29: e9 ab e7 34 03 jmpq 0x334e7d9 <-- trapping instruction 2e: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 35: 00 00 00 00 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop