general protection fault, probably for non-canonical address 0xffff000000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfff8200000000000-0xfff8200000000007] CPU: 0 PID: 305 Comm: kworker/u4:1 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:rcu_do_batch kernel/rcu/tree.c:2245 [inline] RIP: 0010:rcu_core+0x7af/0x1780 kernel/rcu/tree.c:2505 Code: 07 f3 f7 ff 49 8d 7f 08 5e 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 f8 0b 00 00 49 8b 47 08 4c 89 ff 49 c7 47 08 00 00 00 00 d0 48 c7 c6 f0 2f 32 81 48 c7 c7 c0 4e a9 87 e8 4c eb f7 ff 65 RSP: 0000:ffffc90000007e68 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000000000 RCX: 603ad66270707a3c RDX: 1ffff11021d1f4ce RSI: ffffffff81322f8d RDI: ffff88810e7530a8 RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffff8b0766df R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 R13: ffffc90000007ed8 R14: 0000000000000004 R15: ffff88810e7530a8 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 0000000007825000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __do_softirq+0x1c0/0x9a9 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:lock_acquire+0x1ef/0x570 kernel/locking/lockdep.c:5634 Code: 52 d8 7e 83 f8 01 0f 85 e8 02 00 00 9c 58 f6 c4 02 0f 85 fb 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0000:ffffc9000194fc00 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff92000329f82 RCX: ffffffff8129cf3e RDX: 1ffff11021d1f4ce RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8b0766ef R10: fffffbfff160ecdd R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88810e8bf128 R15: 0000000000000000 down_read+0x98/0x450 kernel/locking/rwsem.c:1499 mmap_read_lock include/linux/mmap_lock.h:117 [inline] get_arg_page+0x9f/0x2a0 fs/exec.c:221 copy_string_kernel+0x169/0x460 fs/exec.c:639 copy_strings_kernel+0xb3/0x190 fs/exec.c:655 kernel_execve+0x377/0x500 fs/exec.c:2001 call_usermodehelper_exec_async+0x2e3/0x580 kernel/umh.c:112 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:rcu_do_batch kernel/rcu/tree.c:2245 [inline] RIP: 0010:rcu_core+0x7af/0x1780 kernel/rcu/tree.c:2505 Code: 07 f3 f7 ff 49 8d 7f 08 5e 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 f8 0b 00 00 49 8b 47 08 4c 89 ff 49 c7 47 08 00 00 00 00 d0 48 c7 c6 f0 2f 32 81 48 c7 c7 c0 4e a9 87 e8 4c eb f7 ff 65 RSP: 0000:ffffc90000007e68 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000000000 RCX: 603ad66270707a3c RDX: 1ffff11021d1f4ce RSI: ffffffff81322f8d RDI: ffff88810e7530a8 RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffff8b0766df R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 R13: ffffc90000007ed8 R14: 0000000000000004 R15: ffff88810e7530a8 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 0000000007825000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: f3 f7 ff repz idiv %edi 3: 49 8d 7f 08 lea 0x8(%r15),%rdi 7: 5e pop %rsi 8: 48 89 f8 mov %rdi,%rax b: 48 c1 e8 03 shr $0x3,%rax f: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 14: 0f 85 f8 0b 00 00 jne 0xc12 1a: 49 8b 47 08 mov 0x8(%r15),%rax 1e: 4c 89 ff mov %r15,%rdi 21: 49 c7 47 08 00 00 00 movq $0x0,0x8(%r15) 28: 00 * 29: ff d0 callq *%rax <-- trapping instruction 2b: 48 c7 c6 f0 2f 32 81 mov $0xffffffff81322ff0,%rsi 32: 48 c7 c7 c0 4e a9 87 mov $0xffffffff87a94ec0,%rdi 39: e8 4c eb f7 ff callq 0xfff7eb8a 3e: 65 gs