sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:20206] Modules linked in: irq event stamp: 2351673 hardirqs last enabled at (2351672): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2351673): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2349014): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2349037): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 20206 Comm: syz-executor.0 Not tainted 6.13.0-rc3-next-20241217 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kernel_text_address+0x13/0xc0 Code: bb 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 48 89 fd 48 83 ec 08 e8 3f ff ff ff 85 c0 <74> 0f b8 01 00 00 00 48 83 c4 08 5d e9 ec eb 67 03 e8 57 23 17 00 RSP: 0018:ffff88806ce096d0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff81abdbe0 RCX: 0000000000000001 RDX: 1ffff1100d9c12ed RSI: ffff88803e6d7628 RDI: ffffffff81abdbe0 RBP: ffffffff81abdbe0 R08: 0000000000000001 R09: ffff88806ce09750 R10: 000000000003aa6a R11: 0000000000022a39 R12: ffff88806ce097d8 R13: 0000000000000000 R14: ffff88803ee3d340 R15: 0000000000000400 FS: 00007ffa542f4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffe58cad78 CR3: 000000003ef2a000 CR4: 0000000000350ef0 Call Trace: __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_mempool_unpoison_object+0x11e/0x1e0 napi_skb_cache_get+0x289/0x740 __napi_build_skb+0x15/0x60 napi_alloc_skb+0x37e/0x9e0 e1000_clean_rx_irq+0x2de/0x1190 e1000_clean+0x960/0x2540 __napi_poll+0xb9/0x540 net_rx_action+0xa08/0xe00 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:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 94 d4 ab ff 4d 85 ed 74 06 e8 8a 62 d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff88803e6d7620 EFLAGS: 00000246 RAX: 000000000023d7eb RBX: ffffea0000ee1840 RCX: 1ffffffff0fe190a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a46e06 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdf7e1 R10: ffffffff87efbf0f R11: 0000000000000000 R12: ffff88806ce40390 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88803b861940 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_lru_noprof+0x303/0x3c0 alloc_inode+0x17d/0x240 path_from_stashed+0x554/0x1040 ns_get_path+0x60/0x90 proc_ns_get_link+0x10e/0x240 step_into+0x1930/0x1fa0 path_openat+0x549/0x2990 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: 0033:0x7ffa56d31a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007ffa542f40b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffa56e91f60 RCX: 00007ffa56d31a04 RDX: 0000000000000000 RSI: 00007ffa56dd7f82 RDI: 00000000ffffff9c RBP: 00007ffa56dd7f82 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007fff3071ec3f R14: 00007ffa542f4300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. syz-executor.2(20418): Attempt to set a LOCK_MAND lock via flock(2). This support has been removed and the request ignored. netlink: 'syz-executor.7': attribute type 17 has an invalid length. audit: type=1326 audit(1734452846.399:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20476 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f467754db19 code=0x0 EXT4-fs: Ignoring sb option on remount EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. EXT4-fs: Ignoring sb option on remount EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. audit: type=1326 audit(1734452847.216:17): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20476 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f467754db19 code=0x0 EXT4-fs: Ignoring sb option on remount EXT4-fs: journaled quota format not specified EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. EXT4-fs: journaled quota format not specified EXT4-fs: Ignoring sb option on remount EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. EXT4-fs: journaled quota format not specified EXT4-fs: journaled quota format not specified EXT4-fs: journaled quota format not specified EXT4-fs: Ignoring sb option on remount EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list netlink: 'syz-executor.3': attribute type 7 has an invalid length. capability: warning: `syz-executor.0' uses deprecated v2 capabilities in a way that may be insecure audit: type=1400 audit(1734452848.696:18): avc: denied { block_suspend } for pid=20582 comm="syz-executor.3" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 audit: type=1326 audit(1734452849.285:19): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=20626 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f467754db19 code=0x0 loop6: detected capacity change from 0 to 40 ---------------- Code disassembly (best guess): 0: bb 66 0f 1f 44 mov $0x441f0f66,%ebx 5: 00 00 add %al,(%rax) 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 66 0f 1f 00 nopw (%rax) 1b: 55 push %rbp 1c: 48 89 fd mov %rdi,%rbp 1f: 48 83 ec 08 sub $0x8,%rsp 23: e8 3f ff ff ff callq 0xffffff67 28: 85 c0 test %eax,%eax * 2a: 74 0f je 0x3b <-- trapping instruction 2c: b8 01 00 00 00 mov $0x1,%eax 31: 48 83 c4 08 add $0x8,%rsp 35: 5d pop %rbp 36: e9 ec eb 67 03 jmpq 0x367ec27 3b: e8 57 23 17 00 callq 0x172397