syz-executor.7[13221]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set loop7: detected capacity change from 0 to 10 watchdog: BUG: soft lockup - CPU#1 stuck for 37s! [syz-executor.5:13199] Modules linked in: irq event stamp: 7817429 hardirqs last enabled at (7817428): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (7817429): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (7796616): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (7796619): [] irq_exit_rcu+0x93/0xc0 CPU: 1 PID: 13199 Comm: syz-executor.5 Not tainted 6.5.0-rc6-next-20230817 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x3e/0x25d0 Code: 48 e8 46 da 39 00 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 93 0c 00 00 44 8b 23 <31> ff 45 31 ed 44 89 e6 e8 b5 d5 39 00 45 85 e4 0f 84 b0 03 00 00 RSP: 0018:ffff88806cf09778 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88806cf097f8 RCX: 0000000000000100 RDX: 1ffff1100d9e12ff RSI: ffffffff8113b67a RDI: ffff88806cf097f8 RBP: ffff88806cf09898 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002 R13: ffff88806cf098c8 R14: ffff888016d551c0 R15: ffff88806cf09898 FS: 00007fd40e920700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ---------------- Code disassembly (best guess): 0: 48 e8 46 da 39 00 callq 0x39da4c 6: 48 89 da mov %rbx,%rdx 9: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 10: fc ff df 13: 48 c1 ea 03 shr $0x3,%rdx 17: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 1b: 84 c0 test %al,%al 1d: 74 08 je 0x27 1f: 3c 03 cmp $0x3,%al 21: 0f 8e 93 0c 00 00 jle 0xcba 27: 44 8b 23 mov (%rbx),%r12d * 2a: 31 ff xor %edi,%edi <-- trapping instruction 2c: 45 31 ed xor %r13d,%r13d 2f: 44 89 e6 mov %r12d,%esi 32: e8 b5 d5 39 00 callq 0x39d5ec 37: 45 85 e4 test %r12d,%r12d 3a: 0f 84 b0 03 00 00 je 0x3f0