sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 0 PID: 4230 Comm: syz-executor.7 Not tainted 5.18.0-next-20220527 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:__lock_acquire+0xd68/0x6120 Code: 36 05 41 bf 01 00 00 00 0f 86 c0 00 00 00 89 05 6e 59 36 05 e9 b5 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 c4 35 00 00 49 81 3e a0 72 34 86 0f 84 64 f3 ff RSP: 0018:ffff8880454379f8 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 1ffff11008a86f6d RCX: 0000000000000000 RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff0b1d62a R11: 0000000000000001 R12: ffff88800d61b600 R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 FS: 00007f8aa5d0e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f303080b000 CR3: 0000000044326000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1a2/0x530 _raw_spin_lock_irqsave+0x39/0x50 remove_wait_queue+0x15/0x110 __inet_stream_connect+0x61f/0xd90 inet_stream_connect+0x53/0xa0 __sys_connect_file+0x151/0x190 __sys_connect+0x161/0x190 __x64_sys_connect+0x6f/0xb0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f8aa8798b19 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:00007f8aa5d0e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f8aa88abf60 RCX: 00007f8aa8798b19 RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007f8aa87f2f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc298e77ef R14: 00007f8aa5d0e300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd68/0x6120 Code: 36 05 41 bf 01 00 00 00 0f 86 c0 00 00 00 89 05 6e 59 36 05 e9 b5 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 c4 35 00 00 49 81 3e a0 72 34 86 0f 84 64 f3 ff RSP: 0018:ffff8880454379f8 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 1ffff11008a86f6d RCX: 0000000000000000 RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff0b1d62a R11: 0000000000000001 R12: ffff88800d61b600 R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 FS: 00007f8aa5d0e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f303080b000 CR3: 0000000044326000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 note: syz-executor.7[4230] exited with preempt_count 1 syz-executor.1 (4246) used greatest stack depth: 23824 bytes left ---------------- Code disassembly (best guess): 0: 36 05 41 bf 01 00 ss add $0x1bf41,%eax 6: 00 00 add %al,(%rax) 8: 0f 86 c0 00 00 00 jbe 0xce e: 89 05 6e 59 36 05 mov %eax,0x536596e(%rip) # 0x5365982 14: e9 b5 00 00 00 jmpq 0xce 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 f2 mov %r14,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 c4 35 00 00 jne 0x35f8 34: 49 81 3e a0 72 34 86 cmpq $0xffffffff863472a0,(%r14) 3b: 0f .byte 0xf 3c: 84 64 f3 ff test %ah,-0x1(%rbx,%rsi,8)