ext4: Unknown parameter '¥äÿÿÿÿ' loop4: detected capacity change from 0 to 512 ext4: Unknown parameter '¥äÿÿÿÿ' watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.1:17554] Modules linked in: irq event stamp: 68870 hardirqs last enabled at (68869): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (68870): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (68830): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (68821): [] irq_exit_rcu+0x93/0xc0 CPU: 1 PID: 17554 Comm: syz-executor.1 Not tainted 6.4.0-rc6-next-20230616 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__ip6_append_data.isra.0+0xc5d/0x4560 Code: 48 c1 e8 03 42 80 3c 28 00 0f 85 8c 2e 00 00 48 8b 04 24 4c 8b 20 49 8d bc 24 f0 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 28 00 <0f> 85 61 2e 00 00 4d 8b a4 24 f0 00 00 00 31 ff 41 83 e4 01 4c 89 RSP: 0018:ffff88803c5e7328 EFLAGS: 00000246 RAX: 1ffff11003301c1e RBX: 0000000000000001 RCX: ffffc90000bf9000 RDX: 0000000000040000 RSI: ffffffff83c35f9f RDI: ffff88801980e0f0 RBP: 0000000000000028 R08: 0000000000000006 R09: 00000000000005a0 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801980e000 R13: dffffc0000000000 R14: ffff888015817140 R15: 0000000000000001 FS: 00007f850797d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f850797d718 CR3: 00000000436aa000 CR4: 0000000000350ee0 Call Trace: ip6_append_data+0x1d4/0x530 rawv6_sendmsg+0x156e/0x3dc0 inet_sendmsg+0x121/0x150 sock_sendmsg+0x19b/0x200 splice_to_socket+0x949/0xe10 direct_splice_actor+0x119/0x180 splice_direct_to_actor+0x349/0x9d0 do_splice_direct+0x1bb/0x290 do_sendfile+0xb6b/0x1370 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f850a449b19 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:00007f850797d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f850a55d0e0 RCX: 00007f850a449b19 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000006 RBP: 00007f850a4a3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 000000000001a000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff2405f97f R14: 00007f850797d300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 48 c1 e8 03 shr $0x3,%rax 4: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 9: 0f 85 8c 2e 00 00 jne 0x2e9b f: 48 8b 04 24 mov (%rsp),%rax 13: 4c 8b 20 mov (%rax),%r12 16: 49 8d bc 24 f0 00 00 lea 0xf0(%r12),%rdi 1d: 00 1e: 48 89 f8 mov %rdi,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) * 2a: 0f 85 61 2e 00 00 jne 0x2e91 <-- trapping instruction 30: 4d 8b a4 24 f0 00 00 mov 0xf0(%r12),%r12 37: 00 38: 31 ff xor %edi,%edi 3a: 41 83 e4 01 and $0x1,%r12d 3e: 4c rex.WR 3f: 89 .byte 0x89